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         }
 119 }
 120
 121 static void
 122 qla2x00_async_login_sp_done(void *data, void *ptr, int res)
 123 {
 124         srb_t *sp = (srb_t *)ptr;
 125         struct srb_iocb *lio = &sp->u.iocb_cmd;
 126         struct scsi_qla_host *vha = (scsi_qla_host_t *)data;
 127
 128         if (!test_bit(UNLOADING, &vha->dpc_flags))
 129                 qla2x00_post_async_login_done_work(sp->fcport->vha, sp->fcport,
 130                     lio->u.logio.data);
 131         sp->free(sp->fcport->vha, sp);
 132 }
 133
 134 int
 135 qla2x00_async_login(struct scsi_qla_host *vha, fc_port_t *fcport,
 136     uint16_t *data)
 137 {
 138         srb_t *sp;
 139         struct srb_iocb *lio;
 140         int rval;
 141
 142         rval = QLA_FUNCTION_FAILED;
 143         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 144         if (!sp)
 145                 goto done;
 146
 147         sp->type = SRB_LOGIN_CMD;
 148         sp->name = "login";
 149         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
 150
 151         lio = &sp->u.iocb_cmd;
 152         lio->timeout = qla2x00_async_iocb_timeout;
 153         sp->done = qla2x00_async_login_sp_done;
 154         lio->u.logio.flags |= SRB_LOGIN_COND_PLOGI;
 155         if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
 156                 lio->u.logio.flags |= SRB_LOGIN_RETRIED;
 157         rval = qla2x00_start_sp(sp);
 158         if (rval != QLA_SUCCESS)
 159                 goto done_free_sp;
 160
 161         ql_dbg(ql_dbg_disc, vha, 0x2072,
 162             "Async-login - hdl=%x, loopid=%x portid=%02x%02x%02x "
 163             "retries=%d.\n", sp->handle, fcport->loop_id,
 164             fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa,
 165             fcport->login_retry);
 166         return rval;
 167
 168 done_free_sp:
 169         sp->free(fcport->vha, sp);
 170 done:
 171         return rval;
 172 }
 173
 174 static void
 175 qla2x00_async_logout_sp_done(void *data, void *ptr, int res)
 176 {
 177         srb_t *sp = (srb_t *)ptr;
 178         struct srb_iocb *lio = &sp->u.iocb_cmd;
 179         struct scsi_qla_host *vha = (scsi_qla_host_t *)data;
 180
 181         if (!test_bit(UNLOADING, &vha->dpc_flags))
 182                 qla2x00_post_async_logout_done_work(sp->fcport->vha, sp->fcport,
 183                     lio->u.logio.data);
 184         sp->free(sp->fcport->vha, sp);
 185 }
 186
 187 int
 188 qla2x00_async_logout(struct scsi_qla_host *vha, fc_port_t *fcport)
 189 {
 190         srb_t *sp;
 191         struct srb_iocb *lio;
 192         int rval;
 193
 194         rval = QLA_FUNCTION_FAILED;
 195         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 196         if (!sp)
 197                 goto done;
 198
 199         sp->type = SRB_LOGOUT_CMD;
 200         sp->name = "logout";
 201         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
 202
 203         lio = &sp->u.iocb_cmd;
 204         lio->timeout = qla2x00_async_iocb_timeout;
 205         sp->done = qla2x00_async_logout_sp_done;
 206         rval = qla2x00_start_sp(sp);
 207         if (rval != QLA_SUCCESS)
 208                 goto done_free_sp;
 209
 210         ql_dbg(ql_dbg_disc, vha, 0x2070,
 211             "Async-logout - hdl=%x loop-id=%x portid=%02x%02x%02x.\n",
 212             sp->handle, fcport->loop_id, fcport->d_id.b.domain,
 213             fcport->d_id.b.area, fcport->d_id.b.al_pa);
 214         return rval;
 215
 216 done_free_sp:
 217         sp->free(fcport->vha, sp);
 218 done:
 219         return rval;
 220 }
 221
 222 static void
 223 qla2x00_async_adisc_sp_done(void *data, void *ptr, int res)
 224 {
 225         srb_t *sp = (srb_t *)ptr;
 226         struct srb_iocb *lio = &sp->u.iocb_cmd;
 227         struct scsi_qla_host *vha = (scsi_qla_host_t *)data;
 228
 229         if (!test_bit(UNLOADING, &vha->dpc_flags))
 230                 qla2x00_post_async_adisc_done_work(sp->fcport->vha, sp->fcport,
 231                     lio->u.logio.data);
 232         sp->free(sp->fcport->vha, sp);
 233 }
 234
 235 int
 236 qla2x00_async_adisc(struct scsi_qla_host *vha, fc_port_t *fcport,
 237     uint16_t *data)
 238 {
 239         srb_t *sp;
 240         struct srb_iocb *lio;
 241         int rval;
 242
 243         rval = QLA_FUNCTION_FAILED;
 244         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 245         if (!sp)
 246                 goto done;
 247
 248         sp->type = SRB_ADISC_CMD;
 249         sp->name = "adisc";
 250         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
 251
 252         lio = &sp->u.iocb_cmd;
 253         lio->timeout = qla2x00_async_iocb_timeout;
 254         sp->done = qla2x00_async_adisc_sp_done;
 255         if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
 256                 lio->u.logio.flags |= SRB_LOGIN_RETRIED;
 257         rval = qla2x00_start_sp(sp);
 258         if (rval != QLA_SUCCESS)
 259                 goto done_free_sp;
 260
 261         ql_dbg(ql_dbg_disc, vha, 0x206f,
 262             "Async-adisc - hdl=%x loopid=%x portid=%02x%02x%02x.\n",
 263             sp->handle, fcport->loop_id, fcport->d_id.b.domain,
 264             fcport->d_id.b.area, fcport->d_id.b.al_pa);
 265         return rval;
 266
 267 done_free_sp:
 268         sp->free(fcport->vha, sp);
 269 done:
 270         return rval;
 271 }
 272
 273 static void
 274 qla2x00_tmf_iocb_timeout(void *data)
 275 {
 276         srb_t *sp = (srb_t *)data;
 277         struct srb_iocb *tmf = &sp->u.iocb_cmd;
 278
 279         tmf->u.tmf.comp_status = CS_TIMEOUT;
 280         complete(&tmf->u.tmf.comp);
 281 }
 282
 283 static void
 284 qla2x00_tmf_sp_done(void *data, void *ptr, int res)
 285 {
 286         srb_t *sp = (srb_t *)ptr;
 287         struct srb_iocb *tmf = &sp->u.iocb_cmd;
 288         complete(&tmf->u.tmf.comp);
 289 }
 290
 291 int
 292 qla2x00_async_tm_cmd(fc_port_t *fcport, uint32_t flags, uint32_t lun,
 293         uint32_t tag)
 294 {
 295         struct scsi_qla_host *vha = fcport->vha;
 296         struct srb_iocb *tm_iocb;
 297         srb_t *sp;
 298         int rval = QLA_FUNCTION_FAILED;
 299
 300         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 301         if (!sp)
 302                 goto done;
 303
 304         tm_iocb = &sp->u.iocb_cmd;
 305         sp->type = SRB_TM_CMD;
 306         sp->name = "tmf";
 307         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha));
 308         tm_iocb->u.tmf.flags = flags;
 309         tm_iocb->u.tmf.lun = lun;
 310         tm_iocb->u.tmf.data = tag;
 311         sp->done = qla2x00_tmf_sp_done;
 312         tm_iocb->timeout = qla2x00_tmf_iocb_timeout;
 313         init_completion(&tm_iocb->u.tmf.comp);
 314
 315         rval = qla2x00_start_sp(sp);
 316         if (rval != QLA_SUCCESS)
 317                 goto done_free_sp;
 318
 319         ql_dbg(ql_dbg_taskm, vha, 0x802f,
 320             "Async-tmf hdl=%x loop-id=%x portid=%02x%02x%02x.\n",
 321             sp->handle, fcport->loop_id, fcport->d_id.b.domain,
 322             fcport->d_id.b.area, fcport->d_id.b.al_pa);
 323
 324         wait_for_completion(&tm_iocb->u.tmf.comp);
 325
 326         rval = tm_iocb->u.tmf.comp_status == CS_COMPLETE ?
 327             QLA_SUCCESS : QLA_FUNCTION_FAILED;
 328
 329         if ((rval != QLA_SUCCESS) || tm_iocb->u.tmf.data) {
 330                 ql_dbg(ql_dbg_taskm, vha, 0x8030,
 331                     "TM IOCB failed (%x).\n", rval);
 332         }
 333
 334         if (!test_bit(UNLOADING, &vha->dpc_flags) && !IS_QLAFX00(vha->hw)) {
 335                 flags = tm_iocb->u.tmf.flags;
 336                 lun = (uint16_t)tm_iocb->u.tmf.lun;
 337
 338                 /* Issue Marker IOCB */
 339                 qla2x00_marker(vha, vha->hw->req_q_map[0],
 340                     vha->hw->rsp_q_map[0], sp->fcport->loop_id, lun,
 341                     flags == TCF_LUN_RESET ? MK_SYNC_ID_LUN : MK_SYNC_ID);
 342         }
 343
 344 done_free_sp:
 345         sp->free(vha, sp);
 346 done:
 347         return rval;
 348 }
 349
 350 static void
 351 qla24xx_abort_iocb_timeout(void *data)
 352 {
 353         srb_t *sp = (srb_t *)data;
 354         struct srb_iocb *abt = &sp->u.iocb_cmd;
 355
 356         abt->u.abt.comp_status = CS_TIMEOUT;
 357         complete(&abt->u.abt.comp);
 358 }
 359
 360 static void
 361 qla24xx_abort_sp_done(void *data, void *ptr, int res)
 362 {
 363         srb_t *sp = (srb_t *)ptr;
 364         struct srb_iocb *abt = &sp->u.iocb_cmd;
 365
 366         complete(&abt->u.abt.comp);
 367 }
 368
 369 static int
 370 qla24xx_async_abort_cmd(srb_t *cmd_sp)
 371 {
 372         scsi_qla_host_t *vha = cmd_sp->fcport->vha;
 373         fc_port_t *fcport = cmd_sp->fcport;
 374         struct srb_iocb *abt_iocb;
 375         srb_t *sp;
 376         int rval = QLA_FUNCTION_FAILED;
 377
 378         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 379         if (!sp)
 380                 goto done;
 381
 382         abt_iocb = &sp->u.iocb_cmd;
 383         sp->type = SRB_ABT_CMD;
 384         sp->name = "abort";
 385         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha));
 386         abt_iocb->u.abt.cmd_hndl = cmd_sp->handle;
 387         sp->done = qla24xx_abort_sp_done;
 388         abt_iocb->timeout = qla24xx_abort_iocb_timeout;
 389         init_completion(&abt_iocb->u.abt.comp);
 390
 391         rval = qla2x00_start_sp(sp);
 392         if (rval != QLA_SUCCESS)
 393                 goto done_free_sp;
 394
 395         ql_dbg(ql_dbg_async, vha, 0x507c,
 396             "Abort command issued - hdl=%x, target_id=%x\n",
 397             cmd_sp->handle, fcport->tgt_id);
 398
 399         wait_for_completion(&abt_iocb->u.abt.comp);
 400
 401         rval = abt_iocb->u.abt.comp_status == CS_COMPLETE ?
 402             QLA_SUCCESS : QLA_FUNCTION_FAILED;
 403
 404 done_free_sp:
 405         sp->free(vha, sp);
 406 done:
 407         return rval;
 408 }
 409
 410 int
 411 qla24xx_async_abort_command(srb_t *sp)
 412 {
 413         unsigned long   flags = 0;
 414
 415         uint32_t        handle;
 416         fc_port_t       *fcport = sp->fcport;
 417         struct scsi_qla_host *vha = fcport->vha;
 418         struct qla_hw_data *ha = vha->hw;
 419         struct req_que *req = vha->req;
 420
 421         spin_lock_irqsave(&ha->hardware_lock, flags);
 422         for (handle = 1; handle < req->num_outstanding_cmds; handle++) {
 423                 if (req->outstanding_cmds[handle] == sp)
 424                         break;
 425         }
 426         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 427         if (handle == req->num_outstanding_cmds) {
 428                 /* Command not found. */
 429                 return QLA_FUNCTION_FAILED;
 430         }
 431         if (sp->type == SRB_FXIOCB_DCMD)
 432                 return qlafx00_fx_disc(vha, &vha->hw->mr.fcport,
 433                     FXDISC_ABORT_IOCTL);
 434
 435         return qla24xx_async_abort_cmd(sp);
 436 }
 437
 438 void
 439 qla2x00_async_login_done(struct scsi_qla_host *vha, fc_port_t *fcport,
 440     uint16_t *data)
 441 {
 442         int rval;
 443
 444         switch (data[0]) {
 445         case MBS_COMMAND_COMPLETE:
 446                 /*
 447                  * Driver must validate login state - If PRLI not complete,
 448                  * force a relogin attempt via implicit LOGO, PLOGI, and PRLI
 449                  * requests.
 450                  */
 451                 rval = qla2x00_get_port_database(vha, fcport, 0);
 452                 if (rval == QLA_NOT_LOGGED_IN) {
 453                         fcport->flags &= ~FCF_ASYNC_SENT;
 454                         fcport->flags |= FCF_LOGIN_NEEDED;
 455                         set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
 456                         break;
 457                 }
 458
 459                 if (rval != QLA_SUCCESS) {
 460                         qla2x00_post_async_logout_work(vha, fcport, NULL);
 461                         qla2x00_post_async_login_work(vha, fcport, NULL);
 462                         break;
 463                 }
 464                 if (fcport->flags & FCF_FCP2_DEVICE) {
 465                         qla2x00_post_async_adisc_work(vha, fcport, data);
 466                         break;
 467                 }
 468                 qla2x00_update_fcport(vha, fcport);
 469                 break;
 470         case MBS_COMMAND_ERROR:
 471                 fcport->flags &= ~FCF_ASYNC_SENT;
 472                 if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
 473                         set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
 474                 else
 475                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
 476                 break;
 477         case MBS_PORT_ID_USED:
 478                 fcport->loop_id = data[1];
 479                 qla2x00_post_async_logout_work(vha, fcport, NULL);
 480                 qla2x00_post_async_login_work(vha, fcport, NULL);
 481                 break;
 482         case MBS_LOOP_ID_USED:
 483                 fcport->loop_id++;
 484                 rval = qla2x00_find_new_loop_id(vha, fcport);
 485                 if (rval != QLA_SUCCESS) {
 486                         fcport->flags &= ~FCF_ASYNC_SENT;
 487                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
 488                         break;
 489                 }
 490                 qla2x00_post_async_login_work(vha, fcport, NULL);
 491                 break;
 492         }
 493         return;
 494 }
 495
 496 void
 497 qla2x00_async_logout_done(struct scsi_qla_host *vha, fc_port_t *fcport,
 498     uint16_t *data)
 499 {
 500         qla2x00_mark_device_lost(vha, fcport, 1, 0);
 501         return;
 502 }
 503
 504 void
 505 qla2x00_async_adisc_done(struct scsi_qla_host *vha, fc_port_t *fcport,
 506     uint16_t *data)
 507 {
 508         if (data[0] == MBS_COMMAND_COMPLETE) {
 509                 qla2x00_update_fcport(vha, fcport);
 510
 511                 return;
 512         }
 513
 514         /* Retry login. */
 515         fcport->flags &= ~FCF_ASYNC_SENT;
 516         if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
 517                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
 518         else
 519                 qla2x00_mark_device_lost(vha, fcport, 1, 0);
 520
 521         return;
 522 }
 523
 524 /****************************************************************************/
 525 /*                QLogic ISP2x00 Hardware Support Functions.                */
 526 /****************************************************************************/
 527
 528 static int
 529 qla83xx_nic_core_fw_load(scsi_qla_host_t *vha)
 530 {
 531         int rval = QLA_SUCCESS;
 532         struct qla_hw_data *ha = vha->hw;
 533         uint32_t idc_major_ver, idc_minor_ver;
 534         uint16_t config[4];
 535
 536         qla83xx_idc_lock(vha, 0);
 537
 538         /* SV: TODO: Assign initialization timeout from
 539          * flash-info / other param
 540          */
 541         ha->fcoe_dev_init_timeout = QLA83XX_IDC_INITIALIZATION_TIMEOUT;
 542         ha->fcoe_reset_timeout = QLA83XX_IDC_RESET_ACK_TIMEOUT;
 543
 544         /* Set our fcoe function presence */
 545         if (__qla83xx_set_drv_presence(vha) != QLA_SUCCESS) {
 546                 ql_dbg(ql_dbg_p3p, vha, 0xb077,
 547                     "Error while setting DRV-Presence.\n");
 548                 rval = QLA_FUNCTION_FAILED;
 549                 goto exit;
 550         }
 551
 552         /* Decide the reset ownership */
 553         qla83xx_reset_ownership(vha);
 554
 555         /*
 556          * On first protocol driver load:
 557          * Init-Owner: Set IDC-Major-Version and Clear IDC-Lock-Recovery
 558          * register.
 559          * Others: Check compatibility with current IDC Major version.
 560          */
 561         qla83xx_rd_reg(vha, QLA83XX_IDC_MAJOR_VERSION, &idc_major_ver);
 562         if (ha->flags.nic_core_reset_owner) {
 563                 /* Set IDC Major version */
 564                 idc_major_ver = QLA83XX_SUPP_IDC_MAJOR_VERSION;
 565                 qla83xx_wr_reg(vha, QLA83XX_IDC_MAJOR_VERSION, idc_major_ver);
 566
 567                 /* Clearing IDC-Lock-Recovery register */
 568                 qla83xx_wr_reg(vha, QLA83XX_IDC_LOCK_RECOVERY, 0);
 569         } else if (idc_major_ver != QLA83XX_SUPP_IDC_MAJOR_VERSION) {
 570                 /*
 571                  * Clear further IDC participation if we are not compatible with
 572                  * the current IDC Major Version.
 573                  */
 574                 ql_log(ql_log_warn, vha, 0xb07d,
 575                     "Failing load, idc_major_ver=%d, expected_major_ver=%d.\n",
 576                     idc_major_ver, QLA83XX_SUPP_IDC_MAJOR_VERSION);
 577                 __qla83xx_clear_drv_presence(vha);
 578                 rval = QLA_FUNCTION_FAILED;
 579                 goto exit;
 580         }
 581         /* Each function sets its supported Minor version. */
 582         qla83xx_rd_reg(vha, QLA83XX_IDC_MINOR_VERSION, &idc_minor_ver);
 583         idc_minor_ver |= (QLA83XX_SUPP_IDC_MINOR_VERSION << (ha->portnum * 2));
 584         qla83xx_wr_reg(vha, QLA83XX_IDC_MINOR_VERSION, idc_minor_ver);
 585
 586         if (ha->flags.nic_core_reset_owner) {
 587                 memset(config, 0, sizeof(config));
 588                 if (!qla81xx_get_port_config(vha, config))
 589                         qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
 590                             QLA8XXX_DEV_READY);
 591         }
 592
 593         rval = qla83xx_idc_state_handler(vha);
 594
 595 exit:
 596         qla83xx_idc_unlock(vha, 0);
 597
 598         return rval;
 599 }
 600
 601 /*
 602 * qla2x00_initialize_adapter
 603 *      Initialize board.
 604 *
 605 * Input:
 606 *      ha = adapter block pointer.
 607 *
 608 * Returns:
 609 *      0 = success
 610 */
 611 int
 612 qla2x00_initialize_adapter(scsi_qla_host_t *vha)
 613 {
 614         int     rval;
 615         struct qla_hw_data *ha = vha->hw;
 616         struct req_que *req = ha->req_q_map[0];
 617
 618         /* Clear adapter flags. */
 619         vha->flags.online = 0;
 620         ha->flags.chip_reset_done = 0;
 621         vha->flags.reset_active = 0;
 622         ha->flags.pci_channel_io_perm_failure = 0;
 623         ha->flags.eeh_busy = 0;
 624         vha->qla_stats.jiffies_at_last_reset = get_jiffies_64();
 625         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
 626         atomic_set(&vha->loop_state, LOOP_DOWN);
 627         vha->device_flags = DFLG_NO_CABLE;
 628         vha->dpc_flags = 0;
 629         vha->flags.management_server_logged_in = 0;
 630         vha->marker_needed = 0;
 631         ha->isp_abort_cnt = 0;
 632         ha->beacon_blink_led = 0;
 633
 634         set_bit(0, ha->req_qid_map);
 635         set_bit(0, ha->rsp_qid_map);
 636
 637         ql_dbg(ql_dbg_init, vha, 0x0040,
 638             "Configuring PCI space...\n");
 639         rval = ha->isp_ops->pci_config(vha);
 640         if (rval) {
 641                 ql_log(ql_log_warn, vha, 0x0044,
 642                     "Unable to configure PCI space.\n");
 643                 return (rval);
 644         }
 645
 646         ha->isp_ops->reset_chip(vha);
 647
 648         rval = qla2xxx_get_flash_info(vha);
 649         if (rval) {
 650                 ql_log(ql_log_fatal, vha, 0x004f,
 651                     "Unable to validate FLASH data.\n");
 652                 return rval;
 653         }
 654
 655         if (IS_QLA8044(ha)) {
 656                 qla8044_read_reset_template(vha);
 657
 658                 /* NOTE: If ql2xdontresethba==1, set IDC_CTRL DONTRESET_BIT0.
 659                  * If DONRESET_BIT0 is set, drivers should not set dev_state
 660                  * to NEED_RESET. But if NEED_RESET is set, drivers should
 661                  * should honor the reset. */
 662                 if (ql2xdontresethba == 1)
 663                         qla8044_set_idc_dontreset(vha);
 664         }
 665
 666         ha->isp_ops->get_flash_version(vha, req->ring);
 667         ql_dbg(ql_dbg_init, vha, 0x0061,
 668             "Configure NVRAM parameters...\n");
 669
 670         ha->isp_ops->nvram_config(vha);
 671
 672         if (ha->flags.disable_serdes) {
 673                 /* Mask HBA via NVRAM settings? */
 674                 ql_log(ql_log_info, vha, 0x0077,
 675                     "Masking HBA WWPN %8phN (via NVRAM).\n", vha->port_name);
 676                 return QLA_FUNCTION_FAILED;
 677         }
 678
 679         ql_dbg(ql_dbg_init, vha, 0x0078,
 680             "Verifying loaded RISC code...\n");
 681
 682         if (qla2x00_isp_firmware(vha) != QLA_SUCCESS) {
 683                 rval = ha->isp_ops->chip_diag(vha);
 684                 if (rval)
 685                         return (rval);
 686                 rval = qla2x00_setup_chip(vha);
 687                 if (rval)
 688                         return (rval);
 689         }
 690
 691         if (IS_QLA84XX(ha)) {
 692                 ha->cs84xx = qla84xx_get_chip(vha);
 693                 if (!ha->cs84xx) {
 694                         ql_log(ql_log_warn, vha, 0x00d0,
 695                             "Unable to configure ISP84XX.\n");
 696                         return QLA_FUNCTION_FAILED;
 697                 }
 698         }
 699
 700         if (qla_ini_mode_enabled(vha))
 701                 rval = qla2x00_init_rings(vha);
 702
 703         ha->flags.chip_reset_done = 1;
 704
 705         if (rval == QLA_SUCCESS && IS_QLA84XX(ha)) {
 706                 /* Issue verify 84xx FW IOCB to complete 84xx initialization */
 707                 rval = qla84xx_init_chip(vha);
 708                 if (rval != QLA_SUCCESS) {
 709                         ql_log(ql_log_warn, vha, 0x00d4,
 710                             "Unable to initialize ISP84XX.\n");
 711                 qla84xx_put_chip(vha);
 712                 }
 713         }
 714
 715         /* Load the NIC Core f/w if we are the first protocol driver. */
 716         if (IS_QLA8031(ha)) {
 717                 rval = qla83xx_nic_core_fw_load(vha);
 718                 if (rval)
 719                         ql_log(ql_log_warn, vha, 0x0124,
 720                             "Error in initializing NIC Core f/w.\n");
 721         }
 722
 723         if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha))
 724                 qla24xx_read_fcp_prio_cfg(vha);
 725
 726         if (IS_P3P_TYPE(ha))
 727                 qla82xx_set_driver_version(vha, QLA2XXX_VERSION);
 728         else
 729                 qla25xx_set_driver_version(vha, QLA2XXX_VERSION);
 730
 731         return (rval);
 732 }
 733
 734 /**
 735  * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
 736  * @ha: HA context
 737  *
 738  * Returns 0 on success.
 739  */
 740 int
 741 qla2100_pci_config(scsi_qla_host_t *vha)
 742 {
 743         uint16_t w;
 744         unsigned long flags;
 745         struct qla_hw_data *ha = vha->hw;
 746         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 747
 748         pci_set_master(ha->pdev);
 749         pci_try_set_mwi(ha->pdev);
 750
 751         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 752         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 753         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 754
 755         pci_disable_rom(ha->pdev);
 756
 757         /* Get PCI bus information. */
 758         spin_lock_irqsave(&ha->hardware_lock, flags);
 759         ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
 760         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 761
 762         return QLA_SUCCESS;
 763 }
 764
 765 /**
 766  * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
 767  * @ha: HA context
 768  *
 769  * Returns 0 on success.
 770  */
 771 int
 772 qla2300_pci_config(scsi_qla_host_t *vha)
 773 {
 774         uint16_t        w;
 775         unsigned long   flags = 0;
 776         uint32_t        cnt;
 777         struct qla_hw_data *ha = vha->hw;
 778         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 779
 780         pci_set_master(ha->pdev);
 781         pci_try_set_mwi(ha->pdev);
 782
 783         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 784         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 785
 786         if (IS_QLA2322(ha) || IS_QLA6322(ha))
 787                 w &= ~PCI_COMMAND_INTX_DISABLE;
 788         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 789
 790         /*
 791          * If this is a 2300 card and not 2312, reset the
 792          * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
 793          * the 2310 also reports itself as a 2300 so we need to get the
 794          * fb revision level -- a 6 indicates it really is a 2300 and
 795          * not a 2310.
 796          */
 797         if (IS_QLA2300(ha)) {
 798                 spin_lock_irqsave(&ha->hardware_lock, flags);
 799
 800                 /* Pause RISC. */
 801                 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
 802                 for (cnt = 0; cnt < 30000; cnt++) {
 803                         if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
 804                                 break;
 805
 806                         udelay(10);
 807                 }
 808
 809                 /* Select FPM registers. */
 810                 WRT_REG_WORD(&reg->ctrl_status, 0x20);
 811                 RD_REG_WORD(&reg->ctrl_status);
 812
 813                 /* Get the fb rev level */
 814                 ha->fb_rev = RD_FB_CMD_REG(ha, reg);
 815
 816                 if (ha->fb_rev == FPM_2300)
 817                         pci_clear_mwi(ha->pdev);
 818
 819                 /* Deselect FPM registers. */
 820                 WRT_REG_WORD(&reg->ctrl_status, 0x0);
 821                 RD_REG_WORD(&reg->ctrl_status);
 822
 823                 /* Release RISC module. */
 824                 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
 825                 for (cnt = 0; cnt < 30000; cnt++) {
 826                         if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
 827                                 break;
 828
 829                         udelay(10);
 830                 }
 831
 832                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
 833         }
 834
 835         pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
 836
 837         pci_disable_rom(ha->pdev);
 838
 839         /* Get PCI bus information. */
 840         spin_lock_irqsave(&ha->hardware_lock, flags);
 841         ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
 842         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 843
 844         return QLA_SUCCESS;
 845 }
 846
 847 /**
 848  * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
 849  * @ha: HA context
 850  *
 851  * Returns 0 on success.
 852  */
 853 int
 854 qla24xx_pci_config(scsi_qla_host_t *vha)
 855 {
 856         uint16_t w;
 857         unsigned long flags = 0;
 858         struct qla_hw_data *ha = vha->hw;
 859         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
 860
 861         pci_set_master(ha->pdev);
 862         pci_try_set_mwi(ha->pdev);
 863
 864         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 865         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 866         w &= ~PCI_COMMAND_INTX_DISABLE;
 867         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 868
 869         pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
 870
 871         /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
 872         if (pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX))
 873                 pcix_set_mmrbc(ha->pdev, 2048);
 874
 875         /* PCIe -- adjust Maximum Read Request Size (2048). */
 876         if (pci_is_pcie(ha->pdev))
 877                 pcie_set_readrq(ha->pdev, 4096);
 878
 879         pci_disable_rom(ha->pdev);
 880
 881         ha->chip_revision = ha->pdev->revision;
 882
 883         /* Get PCI bus information. */
 884         spin_lock_irqsave(&ha->hardware_lock, flags);
 885         ha->pci_attr = RD_REG_DWORD(&reg->ctrl_status);
 886         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 887
 888         return QLA_SUCCESS;
 889 }
 890
 891 /**
 892  * qla25xx_pci_config() - Setup ISP25xx PCI configuration registers.
 893  * @ha: HA context
 894  *
 895  * Returns 0 on success.
 896  */
 897 int
 898 qla25xx_pci_config(scsi_qla_host_t *vha)
 899 {
 900         uint16_t w;
 901         struct qla_hw_data *ha = vha->hw;
 902
 903         pci_set_master(ha->pdev);
 904         pci_try_set_mwi(ha->pdev);
 905
 906         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 907         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 908         w &= ~PCI_COMMAND_INTX_DISABLE;
 909         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 910
 911         /* PCIe -- adjust Maximum Read Request Size (2048). */
 912         if (pci_is_pcie(ha->pdev))
 913                 pcie_set_readrq(ha->pdev, 4096);
 914
 915         pci_disable_rom(ha->pdev);
 916
 917         ha->chip_revision = ha->pdev->revision;
 918
 919         return QLA_SUCCESS;
 920 }
 921
 922 /**
 923  * qla2x00_isp_firmware() - Choose firmware image.
 924  * @ha: HA context
 925  *
 926  * Returns 0 on success.
 927  */
 928 static int
 929 qla2x00_isp_firmware(scsi_qla_host_t *vha)
 930 {
 931         int  rval;
 932         uint16_t loop_id, topo, sw_cap;
 933         uint8_t domain, area, al_pa;
 934         struct qla_hw_data *ha = vha->hw;
 935
 936         /* Assume loading risc code */
 937         rval = QLA_FUNCTION_FAILED;
 938
 939         if (ha->flags.disable_risc_code_load) {
 940                 ql_log(ql_log_info, vha, 0x0079, "RISC CODE NOT loaded.\n");
 941
 942                 /* Verify checksum of loaded RISC code. */
 943                 rval = qla2x00_verify_checksum(vha, ha->fw_srisc_address);
 944                 if (rval == QLA_SUCCESS) {
 945                         /* And, verify we are not in ROM code. */
 946                         rval = qla2x00_get_adapter_id(vha, &loop_id, &al_pa,
 947                             &area, &domain, &topo, &sw_cap);
 948                 }
 949         }
 950
 951         if (rval)
 952                 ql_dbg(ql_dbg_init, vha, 0x007a,
 953                     "**** Load RISC code ****.\n");
 954
 955         return (rval);
 956 }
 957
 958 /**
 959  * qla2x00_reset_chip() - Reset ISP chip.
 960  * @ha: HA context
 961  *
 962  * Returns 0 on success.
 963  */
 964 void
 965 qla2x00_reset_chip(scsi_qla_host_t *vha)
 966 {
 967         unsigned long   flags = 0;
 968         struct qla_hw_data *ha = vha->hw;
 969         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 970         uint32_t        cnt;
 971         uint16_t        cmd;
 972
 973         if (unlikely(pci_channel_offline(ha->pdev)))
 974                 return;
 975
 976         ha->isp_ops->disable_intrs(ha);
 977
 978         spin_lock_irqsave(&ha->hardware_lock, flags);
 979
 980         /* Turn off master enable */
 981         cmd = 0;
 982         pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
 983         cmd &= ~PCI_COMMAND_MASTER;
 984         pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
 985
 986         if (!IS_QLA2100(ha)) {
 987                 /* Pause RISC. */
 988                 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
 989                 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
 990                         for (cnt = 0; cnt < 30000; cnt++) {
 991                                 if ((RD_REG_WORD(&reg->hccr) &
 992                                     HCCR_RISC_PAUSE) != 0)
 993                                         break;
 994                                 udelay(100);
 995                         }
 996                 } else {
 997                         RD_REG_WORD(&reg->hccr);        /* PCI Posting. */
 998                         udelay(10);
 999                 }
1000
1001                 /* Select FPM registers. */
1002                 WRT_REG_WORD(&reg->ctrl_status, 0x20);
1003                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
1004
1005                 /* FPM Soft Reset. */
1006                 WRT_REG_WORD(&reg->fpm_diag_config, 0x100);
1007                 RD_REG_WORD(&reg->fpm_diag_config);     /* PCI Posting. */
1008
1009                 /* Toggle Fpm Reset. */
1010                 if (!IS_QLA2200(ha)) {
1011                         WRT_REG_WORD(&reg->fpm_diag_config, 0x0);
1012                         RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
1013                 }
1014
1015                 /* Select frame buffer registers. */
1016                 WRT_REG_WORD(&reg->ctrl_status, 0x10);
1017                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
1018
1019                 /* Reset frame buffer FIFOs. */
1020                 if (IS_QLA2200(ha)) {
1021                         WRT_FB_CMD_REG(ha, reg, 0xa000);
1022                         RD_FB_CMD_REG(ha, reg);         /* PCI Posting. */
1023                 } else {
1024                         WRT_FB_CMD_REG(ha, reg, 0x00fc);
1025
1026                         /* Read back fb_cmd until zero or 3 seconds max */
1027                         for (cnt = 0; cnt < 3000; cnt++) {
1028                                 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
1029                                         break;
1030                                 udelay(100);
1031                         }
1032                 }
1033
1034                 /* Select RISC module registers. */
1035                 WRT_REG_WORD(&reg->ctrl_status, 0);
1036                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
1037
1038                 /* Reset RISC processor. */
1039                 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
1040                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
1041
1042                 /* Release RISC processor. */
1043                 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
1044                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
1045         }
1046
1047         WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
1048         WRT_REG_WORD(&reg->hccr, HCCR_CLR_HOST_INT);
1049
1050         /* Reset ISP chip. */
1051         WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
1052
1053         /* Wait for RISC to recover from reset. */
1054         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
1055                 /*
1056                  * It is necessary to for a delay here since the card doesn't
1057                  * respond to PCI reads during a reset. On some architectures
1058                  * this will result in an MCA.
1059                  */
1060                 udelay(20);
1061                 for (cnt = 30000; cnt; cnt--) {
1062                         if ((RD_REG_WORD(&reg->ctrl_status) &
1063                             CSR_ISP_SOFT_RESET) == 0)
1064                                 break;
1065                         udelay(100);
1066                 }
1067         } else
1068                 udelay(10);
1069
1070         /* Reset RISC processor. */
1071         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
1072
1073         WRT_REG_WORD(&reg->semaphore, 0);
1074
1075         /* Release RISC processor. */
1076         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
1077         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
1078
1079         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
1080                 for (cnt = 0; cnt < 30000; cnt++) {
1081                         if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY)
1082                                 break;
1083
1084                         udelay(100);
1085                 }
1086         } else
1087                 udelay(100);
1088
1089         /* Turn on master enable */
1090         cmd |= PCI_COMMAND_MASTER;
1091         pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
1092
1093         /* Disable RISC pause on FPM parity error. */
1094         if (!IS_QLA2100(ha)) {
1095                 WRT_REG_WORD(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
1096                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
1097         }
1098
1099         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1100 }
1101
1102 /**
1103  * qla81xx_reset_mpi() - Reset's MPI FW via Write MPI Register MBC.
1104  *
1105  * Returns 0 on success.
1106  */
1107 static int
1108 qla81xx_reset_mpi(scsi_qla_host_t *vha)
1109 {
1110         uint16_t mb[4] = {0x1010, 0, 1, 0};
1111
1112         if (!IS_QLA81XX(vha->hw))
1113                 return QLA_SUCCESS;
1114
1115         return qla81xx_write_mpi_register(vha, mb);
1116 }
1117
1118 /**
1119  * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
1120  * @ha: HA context
1121  *
1122  * Returns 0 on success.
1123  */
1124 static inline void
1125 qla24xx_reset_risc(scsi_qla_host_t *vha)
1126 {
1127         unsigned long flags = 0;
1128         struct qla_hw_data *ha = vha->hw;
1129         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1130         uint32_t cnt, d2;
1131         uint16_t wd;
1132         static int abts_cnt; /* ISP abort retry counts */
1133
1134         spin_lock_irqsave(&ha->hardware_lock, flags);
1135
1136         /* Reset RISC. */
1137         WRT_REG_DWORD(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
1138         for (cnt = 0; cnt < 30000; cnt++) {
1139                 if ((RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
1140                         break;
1141
1142                 udelay(10);
1143         }
1144
1145         WRT_REG_DWORD(&reg->ctrl_status,
1146             CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
1147         pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
1148
1149         udelay(100);
1150         /* Wait for firmware to complete NVRAM accesses. */
1151         d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1152         for (cnt = 10000 ; cnt && d2; cnt--) {
1153                 udelay(5);
1154                 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1155                 barrier();
1156         }
1157
1158         /* Wait for soft-reset to complete. */
1159         d2 = RD_REG_DWORD(&reg->ctrl_status);
1160         for (cnt = 6000000 ; cnt && (d2 & CSRX_ISP_SOFT_RESET); cnt--) {
1161                 udelay(5);
1162                 d2 = RD_REG_DWORD(&reg->ctrl_status);
1163                 barrier();
1164         }
1165
1166         /* If required, do an MPI FW reset now */
1167         if (test_and_clear_bit(MPI_RESET_NEEDED, &vha->dpc_flags)) {
1168                 if (qla81xx_reset_mpi(vha) != QLA_SUCCESS) {
1169                         if (++abts_cnt < 5) {
1170                                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1171                                 set_bit(MPI_RESET_NEEDED, &vha->dpc_flags);
1172                         } else {
1173                                 /*
1174                                  * We exhausted the ISP abort retries. We have to
1175                                  * set the board offline.
1176                                  */
1177                                 abts_cnt = 0;
1178                                 vha->flags.online = 0;
1179                         }
1180                 }
1181         }
1182
1183         WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
1184         RD_REG_DWORD(&reg->hccr);
1185
1186         WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
1187         RD_REG_DWORD(&reg->hccr);
1188
1189         WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
1190         RD_REG_DWORD(&reg->hccr);
1191
1192         d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1193         for (cnt = 6000000 ; cnt && d2; cnt--) {
1194                 udelay(5);
1195                 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
1196                 barrier();
1197         }
1198
1199         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1200
1201         if (IS_NOPOLLING_TYPE(ha))
1202                 ha->isp_ops->enable_intrs(ha);
1203 }
1204
1205 static void
1206 qla25xx_read_risc_sema_reg(scsi_qla_host_t *vha, uint32_t *data)
1207 {
1208         struct device_reg_24xx __iomem *reg = &vha->hw->iobase->isp24;
1209
1210         WRT_REG_DWORD(&reg->iobase_addr, RISC_REGISTER_BASE_OFFSET);
1211         *data = RD_REG_DWORD(&reg->iobase_window + RISC_REGISTER_WINDOW_OFFET);
1212
1213 }
1214
1215 static void
1216 qla25xx_write_risc_sema_reg(scsi_qla_host_t *vha, uint32_t data)
1217 {
1218         struct device_reg_24xx __iomem *reg = &vha->hw->iobase->isp24;
1219
1220         WRT_REG_DWORD(&reg->iobase_addr, RISC_REGISTER_BASE_OFFSET);
1221         WRT_REG_DWORD(&reg->iobase_window + RISC_REGISTER_WINDOW_OFFET, data);
1222 }
1223
1224 static void
1225 qla25xx_manipulate_risc_semaphore(scsi_qla_host_t *vha)
1226 {
1227         struct qla_hw_data *ha = vha->hw;
1228         uint32_t wd32 = 0;
1229         uint delta_msec = 100;
1230         uint elapsed_msec = 0;
1231         uint timeout_msec;
1232         ulong n;
1233
1234         if (!IS_QLA25XX(ha) && !IS_QLA2031(ha))
1235                 return;
1236
1237 attempt:
1238         timeout_msec = TIMEOUT_SEMAPHORE;
1239         n = timeout_msec / delta_msec;
1240         while (n--) {
1241                 qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_SET);
1242                 qla25xx_read_risc_sema_reg(vha, &wd32);
1243                 if (wd32 & RISC_SEMAPHORE)
1244                         break;
1245                 msleep(delta_msec);
1246                 elapsed_msec += delta_msec;
1247                 if (elapsed_msec > TIMEOUT_TOTAL_ELAPSED)
1248                         goto force;
1249         }
1250
1251         if (!(wd32 & RISC_SEMAPHORE))
1252                 goto force;
1253
1254         if (!(wd32 & RISC_SEMAPHORE_FORCE))
1255                 goto acquired;
1256
1257         qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_CLR);
1258         timeout_msec = TIMEOUT_SEMAPHORE_FORCE;
1259         n = timeout_msec / delta_msec;
1260         while (n--) {
1261                 qla25xx_read_risc_sema_reg(vha, &wd32);
1262                 if (!(wd32 & RISC_SEMAPHORE_FORCE))
1263                         break;
1264                 msleep(delta_msec);
1265                 elapsed_msec += delta_msec;
1266                 if (elapsed_msec > TIMEOUT_TOTAL_ELAPSED)
1267                         goto force;
1268         }
1269
1270         if (wd32 & RISC_SEMAPHORE_FORCE)
1271                 qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_FORCE_CLR);
1272
1273         goto attempt;
1274
1275 force:
1276         qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_FORCE_SET);
1277
1278 acquired:
1279         return;
1280 }
1281
1282 /**
1283  * qla24xx_reset_chip() - Reset ISP24xx chip.
1284  * @ha: HA context
1285  *
1286  * Returns 0 on success.
1287  */
1288 void
1289 qla24xx_reset_chip(scsi_qla_host_t *vha)
1290 {
1291         struct qla_hw_data *ha = vha->hw;
1292
1293         if (pci_channel_offline(ha->pdev) &&
1294             ha->flags.pci_channel_io_perm_failure) {
1295                 return;
1296         }
1297
1298         ha->isp_ops->disable_intrs(ha);
1299
1300         qla25xx_manipulate_risc_semaphore(vha);
1301
1302         /* Perform RISC reset. */
1303         qla24xx_reset_risc(vha);
1304 }
1305
1306 /**
1307  * qla2x00_chip_diag() - Test chip for proper operation.
1308  * @ha: HA context
1309  *
1310  * Returns 0 on success.
1311  */
1312 int
1313 qla2x00_chip_diag(scsi_qla_host_t *vha)
1314 {
1315         int             rval;
1316         struct qla_hw_data *ha = vha->hw;
1317         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1318         unsigned long   flags = 0;
1319         uint16_t        data;
1320         uint32_t        cnt;
1321         uint16_t        mb[5];
1322         struct req_que *req = ha->req_q_map[0];
1323
1324         /* Assume a failed state */
1325         rval = QLA_FUNCTION_FAILED;
1326
1327         ql_dbg(ql_dbg_init, vha, 0x007b,
1328             "Testing device at %lx.\n", (u_long)&reg->flash_address);
1329
1330         spin_lock_irqsave(&ha->hardware_lock, flags);
1331
1332         /* Reset ISP chip. */
1333         WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
1334
1335         /*
1336          * We need to have a delay here since the card will not respond while
1337          * in reset causing an MCA on some architectures.
1338          */
1339         udelay(20);
1340         data = qla2x00_debounce_register(&reg->ctrl_status);
1341         for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
1342                 udelay(5);
1343                 data = RD_REG_WORD(&reg->ctrl_status);
1344                 barrier();
1345         }
1346
1347         if (!cnt)
1348                 goto chip_diag_failed;
1349
1350         ql_dbg(ql_dbg_init, vha, 0x007c,
1351             "Reset register cleared by chip reset.\n");
1352
1353         /* Reset RISC processor. */
1354         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
1355         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
1356
1357         /* Workaround for QLA2312 PCI parity error */
1358         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
1359                 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
1360                 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
1361                         udelay(5);
1362                         data = RD_MAILBOX_REG(ha, reg, 0);
1363                         barrier();
1364                 }
1365         } else
1366                 udelay(10);
1367
1368         if (!cnt)
1369                 goto chip_diag_failed;
1370
1371         /* Check product ID of chip */
1372         ql_dbg(ql_dbg_init, vha, 0x007d, "Checking product Id of chip.\n");
1373
1374         mb[1] = RD_MAILBOX_REG(ha, reg, 1);
1375         mb[2] = RD_MAILBOX_REG(ha, reg, 2);
1376         mb[3] = RD_MAILBOX_REG(ha, reg, 3);
1377         mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
1378         if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
1379             mb[3] != PROD_ID_3) {
1380                 ql_log(ql_log_warn, vha, 0x0062,
1381                     "Wrong product ID = 0x%x,0x%x,0x%x.\n",
1382                     mb[1], mb[2], mb[3]);
1383
1384                 goto chip_diag_failed;
1385         }
1386         ha->product_id[0] = mb[1];
1387         ha->product_id[1] = mb[2];
1388         ha->product_id[2] = mb[3];
1389         ha->product_id[3] = mb[4];
1390
1391         /* Adjust fw RISC transfer size */
1392         if (req->length > 1024)
1393                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
1394         else
1395                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
1396                     req->length;
1397
1398         if (IS_QLA2200(ha) &&
1399             RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
1400                 /* Limit firmware transfer size with a 2200A */
1401                 ql_dbg(ql_dbg_init, vha, 0x007e, "Found QLA2200A Chip.\n");
1402
1403                 ha->device_type |= DT_ISP2200A;
1404                 ha->fw_transfer_size = 128;
1405         }
1406
1407         /* Wrap Incoming Mailboxes Test. */
1408         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1409
1410         ql_dbg(ql_dbg_init, vha, 0x007f, "Checking mailboxes.\n");
1411         rval = qla2x00_mbx_reg_test(vha);
1412         if (rval)
1413                 ql_log(ql_log_warn, vha, 0x0080,
1414                     "Failed mailbox send register test.\n");
1415         else
1416                 /* Flag a successful rval */
1417                 rval = QLA_SUCCESS;
1418         spin_lock_irqsave(&ha->hardware_lock, flags);
1419
1420 chip_diag_failed:
1421         if (rval)
1422                 ql_log(ql_log_info, vha, 0x0081,
1423                     "Chip diagnostics **** FAILED ****.\n");
1424
1425         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1426
1427         return (rval);
1428 }
1429
1430 /**
1431  * qla24xx_chip_diag() - Test ISP24xx for proper operation.
1432  * @ha: HA context
1433  *
1434  * Returns 0 on success.
1435  */
1436 int
1437 qla24xx_chip_diag(scsi_qla_host_t *vha)
1438 {
1439         int rval;
1440         struct qla_hw_data *ha = vha->hw;
1441         struct req_que *req = ha->req_q_map[0];
1442
1443         if (IS_P3P_TYPE(ha))
1444                 return QLA_SUCCESS;
1445
1446         ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;
1447
1448         rval = qla2x00_mbx_reg_test(vha);
1449         if (rval) {
1450                 ql_log(ql_log_warn, vha, 0x0082,
1451                     "Failed mailbox send register test.\n");
1452         } else {
1453                 /* Flag a successful rval */
1454                 rval = QLA_SUCCESS;
1455         }
1456
1457         return rval;
1458 }
1459
1460 void
1461 qla2x00_alloc_fw_dump(scsi_qla_host_t *vha)
1462 {
1463         int rval;
1464         uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
1465             eft_size, fce_size, mq_size;
1466         dma_addr_t tc_dma;
1467         void *tc;
1468         struct qla_hw_data *ha = vha->hw;
1469         struct req_que *req = ha->req_q_map[0];
1470         struct rsp_que *rsp = ha->rsp_q_map[0];
1471
1472         if (ha->fw_dump) {
1473                 ql_dbg(ql_dbg_init, vha, 0x00bd,
1474                     "Firmware dump already allocated.\n");
1475                 return;
1476         }
1477
1478         ha->fw_dumped = 0;
1479         ha->fw_dump_cap_flags = 0;
1480         dump_size = fixed_size = mem_size = eft_size = fce_size = mq_size = 0;
1481         req_q_size = rsp_q_size = 0;
1482
1483         if (IS_QLA27XX(ha))
1484                 goto try_fce;
1485
1486         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
1487                 fixed_size = sizeof(struct qla2100_fw_dump);
1488         } else if (IS_QLA23XX(ha)) {
1489                 fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
1490                 mem_size = (ha->fw_memory_size - 0x11000 + 1) *
1491                     sizeof(uint16_t);
1492         } else if (IS_FWI2_CAPABLE(ha)) {
1493                 if (IS_QLA83XX(ha))
1494                         fixed_size = offsetof(struct qla83xx_fw_dump, ext_mem);
1495                 else if (IS_QLA81XX(ha))
1496                         fixed_size = offsetof(struct qla81xx_fw_dump, ext_mem);
1497                 else if (IS_QLA25XX(ha))
1498                         fixed_size = offsetof(struct qla25xx_fw_dump, ext_mem);
1499                 else
1500                         fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem);
1501
1502                 mem_size = (ha->fw_memory_size - 0x100000 + 1) *
1503                     sizeof(uint32_t);
1504                 if (ha->mqenable) {
1505                         if (!IS_QLA83XX(ha))
1506                                 mq_size = sizeof(struct qla2xxx_mq_chain);
1507                         /*
1508                          * Allocate maximum buffer size for all queues.
1509                          * Resizing must be done at end-of-dump processing.
1510                          */
1511                         mq_size += ha->max_req_queues *
1512                             (req->length * sizeof(request_t));
1513                         mq_size += ha->max_rsp_queues *
1514                             (rsp->length * sizeof(response_t));
1515                 }
1516                 if (ha->tgt.atio_ring)
1517                         mq_size += ha->tgt.atio_q_length * sizeof(request_t);
1518                 /* Allocate memory for Fibre Channel Event Buffer. */
1519                 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) &&
1520                     !IS_QLA27XX(ha))
1521                         goto try_eft;
1522
1523 try_fce:
1524                 if (ha->fce)
1525                         dma_free_coherent(&ha->pdev->dev,
1526                             FCE_SIZE, ha->fce, ha->fce_dma);
1527
1528                 /* Allocate memory for Fibre Channel Event Buffer. */
1529                 tc = dma_zalloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma,
1530                                          GFP_KERNEL);
1531                 if (!tc) {
1532                         ql_log(ql_log_warn, vha, 0x00be,
1533                             "Unable to allocate (%d KB) for FCE.\n",
1534                             FCE_SIZE / 1024);
1535                         goto try_eft;
1536                 }
1537
1538                 rval = qla2x00_enable_fce_trace(vha, tc_dma, FCE_NUM_BUFFERS,
1539                     ha->fce_mb, &ha->fce_bufs);
1540                 if (rval) {
1541                         ql_log(ql_log_warn, vha, 0x00bf,
1542                             "Unable to initialize FCE (%d).\n", rval);
1543                         dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc,
1544                             tc_dma);
1545                         ha->flags.fce_enabled = 0;
1546                         goto try_eft;
1547                 }
1548                 ql_dbg(ql_dbg_init, vha, 0x00c0,
1549                     "Allocate (%d KB) for FCE...\n", FCE_SIZE / 1024);
1550
1551                 fce_size = sizeof(struct qla2xxx_fce_chain) + FCE_SIZE;
1552                 ha->flags.fce_enabled = 1;
1553                 ha->fce_dma = tc_dma;
1554                 ha->fce = tc;
1555
1556 try_eft:
1557                 if (ha->eft)
1558                         dma_free_coherent(&ha->pdev->dev,
1559                             EFT_SIZE, ha->eft, ha->eft_dma);
1560
1561                 /* Allocate memory for Extended Trace Buffer. */
1562                 tc = dma_zalloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma,
1563                                          GFP_KERNEL);
1564                 if (!tc) {
1565                         ql_log(ql_log_warn, vha, 0x00c1,
1566                             "Unable to allocate (%d KB) for EFT.\n",
1567                             EFT_SIZE / 1024);
1568                         goto cont_alloc;
1569                 }
1570
1571                 rval = qla2x00_enable_eft_trace(vha, tc_dma, EFT_NUM_BUFFERS);
1572                 if (rval) {
1573                         ql_log(ql_log_warn, vha, 0x00c2,
1574                             "Unable to initialize EFT (%d).\n", rval);
1575                         dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc,
1576                             tc_dma);
1577                         goto cont_alloc;
1578                 }
1579                 ql_dbg(ql_dbg_init, vha, 0x00c3,
1580                     "Allocated (%d KB) EFT ...\n", EFT_SIZE / 1024);
1581
1582                 eft_size = EFT_SIZE;
1583                 ha->eft_dma = tc_dma;
1584                 ha->eft = tc;
1585         }
1586
1587 cont_alloc:
1588         if (IS_QLA27XX(ha)) {
1589                 if (!ha->fw_dump_template) {
1590                         ql_log(ql_log_warn, vha, 0x00ba,
1591                             "Failed missing fwdump template\n");
1592                         return;
1593                 }
1594                 dump_size = qla27xx_fwdt_calculate_dump_size(vha);
1595                 ql_dbg(ql_dbg_init, vha, 0x00fa,
1596                     "-> allocating fwdump (%x bytes)...\n", dump_size);
1597                 goto allocate;
1598         }
1599
1600         req_q_size = req->length * sizeof(request_t);
1601         rsp_q_size = rsp->length * sizeof(response_t);
1602         dump_size = offsetof(struct qla2xxx_fw_dump, isp);
1603         dump_size += fixed_size + mem_size + req_q_size + rsp_q_size + eft_size;
1604         ha->chain_offset = dump_size;
1605         dump_size += mq_size + fce_size;
1606
1607 allocate:
1608         ha->fw_dump = vmalloc(dump_size);
1609         if (!ha->fw_dump) {
1610                 ql_log(ql_log_warn, vha, 0x00c4,
1611                     "Unable to allocate (%d KB) for firmware dump.\n",
1612                     dump_size / 1024);
1613
1614                 if (ha->fce) {
1615                         dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
1616                             ha->fce_dma);
1617                         ha->fce = NULL;
1618                         ha->fce_dma = 0;
1619                 }
1620
1621                 if (ha->eft) {
1622                         dma_free_coherent(&ha->pdev->dev, eft_size, ha->eft,
1623                             ha->eft_dma);
1624                         ha->eft = NULL;
1625                         ha->eft_dma = 0;
1626                 }
1627                 return;
1628         }
1629         ha->fw_dump_len = dump_size;
1630         ql_dbg(ql_dbg_init, vha, 0x00c5,
1631             "Allocated (%d KB) for firmware dump.\n", dump_size / 1024);
1632
1633         if (IS_QLA27XX(ha))
1634                 return;
1635
1636         ha->fw_dump->signature[0] = 'Q';
1637         ha->fw_dump->signature[1] = 'L';
1638         ha->fw_dump->signature[2] = 'G';
1639         ha->fw_dump->signature[3] = 'C';
1640         ha->fw_dump->version = __constant_htonl(1);
1641
1642         ha->fw_dump->fixed_size = htonl(fixed_size);
1643         ha->fw_dump->mem_size = htonl(mem_size);
1644         ha->fw_dump->req_q_size = htonl(req_q_size);
1645         ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
1646
1647         ha->fw_dump->eft_size = htonl(eft_size);
1648         ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma));
1649         ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma));
1650
1651         ha->fw_dump->header_size =
1652             htonl(offsetof(struct qla2xxx_fw_dump, isp));
1653 }
1654
1655 static int
1656 qla81xx_mpi_sync(scsi_qla_host_t *vha)
1657 {
1658 #define MPS_MASK        0xe0
1659         int rval;
1660         uint16_t dc;
1661         uint32_t dw;
1662
1663         if (!IS_QLA81XX(vha->hw))
1664                 return QLA_SUCCESS;
1665
1666         rval = qla2x00_write_ram_word(vha, 0x7c00, 1);
1667         if (rval != QLA_SUCCESS) {
1668                 ql_log(ql_log_warn, vha, 0x0105,
1669                     "Unable to acquire semaphore.\n");
1670                 goto done;
1671         }
1672
1673         pci_read_config_word(vha->hw->pdev, 0x54, &dc);
1674         rval = qla2x00_read_ram_word(vha, 0x7a15, &dw);
1675         if (rval != QLA_SUCCESS) {
1676                 ql_log(ql_log_warn, vha, 0x0067, "Unable to read sync.\n");
1677                 goto done_release;
1678         }
1679
1680         dc &= MPS_MASK;
1681         if (dc == (dw & MPS_MASK))
1682                 goto done_release;
1683
1684         dw &= ~MPS_MASK;
1685         dw |= dc;
1686         rval = qla2x00_write_ram_word(vha, 0x7a15, dw);
1687         if (rval != QLA_SUCCESS) {
1688                 ql_log(ql_log_warn, vha, 0x0114, "Unable to gain sync.\n");
1689         }
1690
1691 done_release:
1692         rval = qla2x00_write_ram_word(vha, 0x7c00, 0);
1693         if (rval != QLA_SUCCESS) {
1694                 ql_log(ql_log_warn, vha, 0x006d,
1695                     "Unable to release semaphore.\n");
1696         }
1697
1698 done:
1699         return rval;
1700 }
1701
1702 int
1703 qla2x00_alloc_outstanding_cmds(struct qla_hw_data *ha, struct req_que *req)
1704 {
1705         /* Don't try to reallocate the array */
1706         if (req->outstanding_cmds)
1707                 return QLA_SUCCESS;
1708
1709         if (!IS_FWI2_CAPABLE(ha) || (ha->mqiobase &&
1710             (ql2xmultique_tag || ql2xmaxqueues > 1)))
1711                 req->num_outstanding_cmds = DEFAULT_OUTSTANDING_COMMANDS;
1712         else {
1713                 if (ha->fw_xcb_count <= ha->fw_iocb_count)
1714                         req->num_outstanding_cmds = ha->fw_xcb_count;
1715                 else
1716                         req->num_outstanding_cmds = ha->fw_iocb_count;
1717         }
1718
1719         req->outstanding_cmds = kzalloc(sizeof(srb_t *) *
1720             req->num_outstanding_cmds, GFP_KERNEL);
1721
1722         if (!req->outstanding_cmds) {
1723                 /*
1724                  * Try to allocate a minimal size just so we can get through
1725                  * initialization.
1726                  */
1727                 req->num_outstanding_cmds = MIN_OUTSTANDING_COMMANDS;
1728                 req->outstanding_cmds = kzalloc(sizeof(srb_t *) *
1729                     req->num_outstanding_cmds, GFP_KERNEL);
1730
1731                 if (!req->outstanding_cmds) {
1732                         ql_log(ql_log_fatal, NULL, 0x0126,
1733                             "Failed to allocate memory for "
1734                             "outstanding_cmds for req_que %p.\n", req);
1735                         req->num_outstanding_cmds = 0;
1736                         return QLA_FUNCTION_FAILED;
1737                 }
1738         }
1739
1740         return QLA_SUCCESS;
1741 }
1742
1743 /**
1744  * qla2x00_setup_chip() - Load and start RISC firmware.
1745  * @ha: HA context
1746  *
1747  * Returns 0 on success.
1748  */
1749 static int
1750 qla2x00_setup_chip(scsi_qla_host_t *vha)
1751 {
1752         int rval;
1753         uint32_t srisc_address = 0;
1754         struct qla_hw_data *ha = vha->hw;
1755         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1756         unsigned long flags;
1757         uint16_t fw_major_version;
1758
1759         if (IS_P3P_TYPE(ha)) {
1760                 rval = ha->isp_ops->load_risc(vha, &srisc_address);
1761                 if (rval == QLA_SUCCESS) {
1762                         qla2x00_stop_firmware(vha);
1763                         goto enable_82xx_npiv;
1764                 } else
1765                         goto failed;
1766         }
1767
1768         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1769                 /* Disable SRAM, Instruction RAM and GP RAM parity.  */
1770                 spin_lock_irqsave(&ha->hardware_lock, flags);
1771                 WRT_REG_WORD(&reg->hccr, (HCCR_ENABLE_PARITY + 0x0));
1772                 RD_REG_WORD(&reg->hccr);
1773                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1774         }
1775
1776         qla81xx_mpi_sync(vha);
1777
1778         /* Load firmware sequences */
1779         rval = ha->isp_ops->load_risc(vha, &srisc_address);
1780         if (rval == QLA_SUCCESS) {
1781                 ql_dbg(ql_dbg_init, vha, 0x00c9,
1782                     "Verifying Checksum of loaded RISC code.\n");
1783
1784                 rval = qla2x00_verify_checksum(vha, srisc_address);
1785                 if (rval == QLA_SUCCESS) {
1786                         /* Start firmware execution. */
1787                         ql_dbg(ql_dbg_init, vha, 0x00ca,
1788                             "Starting firmware.\n");
1789
1790                         rval = qla2x00_execute_fw(vha, srisc_address);
1791                         /* Retrieve firmware information. */
1792                         if (rval == QLA_SUCCESS) {
1793 enable_82xx_npiv:
1794                                 fw_major_version = ha->fw_major_version;
1795                                 if (IS_P3P_TYPE(ha))
1796                                         qla82xx_check_md_needed(vha);
1797                                 else
1798                                         rval = qla2x00_get_fw_version(vha);
1799                                 if (rval != QLA_SUCCESS)
1800                                         goto failed;
1801                                 ha->flags.npiv_supported = 0;
1802                                 if (IS_QLA2XXX_MIDTYPE(ha) &&
1803                                          (ha->fw_attributes & BIT_2)) {
1804                                         ha->flags.npiv_supported = 1;
1805                                         if ((!ha->max_npiv_vports) ||
1806                                             ((ha->max_npiv_vports + 1) %
1807                                             MIN_MULTI_ID_FABRIC))
1808                                                 ha->max_npiv_vports =
1809                                                     MIN_MULTI_ID_FABRIC - 1;
1810                                 }
1811                                 qla2x00_get_resource_cnts(vha, NULL,
1812                                     &ha->fw_xcb_count, NULL, &ha->fw_iocb_count,
1813                                     &ha->max_npiv_vports, NULL);
1814
1815                                 /*
1816                                  * Allocate the array of outstanding commands
1817                                  * now that we know the firmware resources.
1818                                  */
1819                                 rval = qla2x00_alloc_outstanding_cmds(ha,
1820                                     vha->req);
1821                                 if (rval != QLA_SUCCESS)
1822                                         goto failed;
1823
1824                                 if (!fw_major_version && ql2xallocfwdump
1825                                     && !(IS_P3P_TYPE(ha)))
1826                                         qla2x00_alloc_fw_dump(vha);
1827                         } else {
1828                                 goto failed;
1829                         }
1830                 } else {
1831                         ql_log(ql_log_fatal, vha, 0x00cd,
1832                             "ISP Firmware failed checksum.\n");
1833                         goto failed;
1834                 }
1835         } else
1836                 goto failed;
1837
1838         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1839                 /* Enable proper parity. */
1840                 spin_lock_irqsave(&ha->hardware_lock, flags);
1841                 if (IS_QLA2300(ha))
1842                         /* SRAM parity */
1843                         WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x1);
1844                 else
1845                         /* SRAM, Instruction RAM and GP RAM parity */
1846                         WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x7);
1847                 RD_REG_WORD(&reg->hccr);
1848                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1849         }
1850
1851         if (IS_QLA27XX(ha))
1852                 ha->flags.fac_supported = 1;
1853         else if (rval == QLA_SUCCESS && IS_FAC_REQUIRED(ha)) {
1854                 uint32_t size;
1855
1856                 rval = qla81xx_fac_get_sector_size(vha, &size);
1857                 if (rval == QLA_SUCCESS) {
1858                         ha->flags.fac_supported = 1;
1859                         ha->fdt_block_size = size << 2;
1860                 } else {
1861                         ql_log(ql_log_warn, vha, 0x00ce,
1862                             "Unsupported FAC firmware (%d.%02d.%02d).\n",
1863                             ha->fw_major_version, ha->fw_minor_version,
1864                             ha->fw_subminor_version);
1865
1866                         if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
1867                                 ha->flags.fac_supported = 0;
1868                                 rval = QLA_SUCCESS;
1869                         }
1870                 }
1871         }
1872 failed:
1873         if (rval) {
1874                 ql_log(ql_log_fatal, vha, 0x00cf,
1875                     "Setup chip ****FAILED****.\n");
1876         }
1877
1878         return (rval);
1879 }
1880
1881 /**
1882  * qla2x00_init_response_q_entries() - Initializes response queue entries.
1883  * @ha: HA context
1884  *
1885  * Beginning of request ring has initialization control block already built
1886  * by nvram config routine.
1887  *
1888  * Returns 0 on success.
1889  */
1890 void
1891 qla2x00_init_response_q_entries(struct rsp_que *rsp)
1892 {
1893         uint16_t cnt;
1894         response_t *pkt;
1895
1896         rsp->ring_ptr = rsp->ring;
1897         rsp->ring_index    = 0;
1898         rsp->status_srb = NULL;
1899         pkt = rsp->ring_ptr;
1900         for (cnt = 0; cnt < rsp->length; cnt++) {
1901                 pkt->signature = RESPONSE_PROCESSED;
1902                 pkt++;
1903         }
1904 }
1905
1906 /**
1907  * qla2x00_update_fw_options() - Read and process firmware options.
1908  * @ha: HA context
1909  *
1910  * Returns 0 on success.
1911  */
1912 void
1913 qla2x00_update_fw_options(scsi_qla_host_t *vha)
1914 {
1915         uint16_t swing, emphasis, tx_sens, rx_sens;
1916         struct qla_hw_data *ha = vha->hw;
1917
1918         memset(ha->fw_options, 0, sizeof(ha->fw_options));
1919         qla2x00_get_fw_options(vha, ha->fw_options);
1920
1921         if (IS_QLA2100(ha) || IS_QLA2200(ha))
1922                 return;
1923
1924         /* Serial Link options. */
1925         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0115,
1926             "Serial link options.\n");
1927         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0109,
1928             (uint8_t *)&ha->fw_seriallink_options,
1929             sizeof(ha->fw_seriallink_options));
1930
1931         ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1932         if (ha->fw_seriallink_options[3] & BIT_2) {
1933                 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
1934
1935                 /*  1G settings */
1936                 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
1937                 emphasis = (ha->fw_seriallink_options[2] &
1938                     (BIT_4 | BIT_3)) >> 3;
1939                 tx_sens = ha->fw_seriallink_options[0] &
1940                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1941                 rx_sens = (ha->fw_seriallink_options[0] &
1942                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1943                 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
1944                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1945                         if (rx_sens == 0x0)
1946                                 rx_sens = 0x3;
1947                         ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
1948                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1949                         ha->fw_options[10] |= BIT_5 |
1950                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1951                             (tx_sens & (BIT_1 | BIT_0));
1952
1953                 /*  2G settings */
1954                 swing = (ha->fw_seriallink_options[2] &
1955                     (BIT_7 | BIT_6 | BIT_5)) >> 5;
1956                 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
1957                 tx_sens = ha->fw_seriallink_options[1] &
1958                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1959                 rx_sens = (ha->fw_seriallink_options[1] &
1960                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1961                 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
1962                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1963                         if (rx_sens == 0x0)
1964                                 rx_sens = 0x3;
1965                         ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
1966                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1967                         ha->fw_options[11] |= BIT_5 |
1968                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1969                             (tx_sens & (BIT_1 | BIT_0));
1970         }
1971
1972         /* FCP2 options. */
1973         /*  Return command IOCBs without waiting for an ABTS to complete. */
1974         ha->fw_options[3] |= BIT_13;
1975
1976         /* LED scheme. */
1977         if (ha->flags.enable_led_scheme)
1978                 ha->fw_options[2] |= BIT_12;
1979
1980         /* Detect ISP6312. */
1981         if (IS_QLA6312(ha))
1982                 ha->fw_options[2] |= BIT_13;
1983
1984         /* Update firmware options. */
1985         qla2x00_set_fw_options(vha, ha->fw_options);
1986 }
1987
1988 void
1989 qla24xx_update_fw_options(scsi_qla_host_t *vha)
1990 {
1991         int rval;
1992         struct qla_hw_data *ha = vha->hw;
1993
1994         if (IS_P3P_TYPE(ha))
1995                 return;
1996
1997         /* Update Serial Link options. */
1998         if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
1999                 return;
2000
2001         rval = qla2x00_set_serdes_params(vha,
2002             le16_to_cpu(ha->fw_seriallink_options24[1]),
2003             le16_to_cpu(ha->fw_seriallink_options24[2]),
2004             le16_to_cpu(ha->fw_seriallink_options24[3]));
2005         if (rval != QLA_SUCCESS) {
2006                 ql_log(ql_log_warn, vha, 0x0104,
2007                     "Unable to update Serial Link options (%x).\n", rval);
2008         }
2009 }
2010
2011 void
2012 qla2x00_config_rings(struct scsi_qla_host *vha)
2013 {
2014         struct qla_hw_data *ha = vha->hw;
2015         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2016         struct req_que *req = ha->req_q_map[0];
2017         struct rsp_que *rsp = ha->rsp_q_map[0];
2018
2019         /* Setup ring parameters in initialization control block. */
2020         ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0);
2021         ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0);
2022         ha->init_cb->request_q_length = cpu_to_le16(req->length);
2023         ha->init_cb->response_q_length = cpu_to_le16(rsp->length);
2024         ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
2025         ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
2026         ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
2027         ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
2028
2029         WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
2030         WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
2031         WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
2032         WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
2033         RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg));            /* PCI Posting. */
2034 }
2035
2036 void
2037 qla24xx_config_rings(struct scsi_qla_host *vha)
2038 {
2039         struct qla_hw_data *ha = vha->hw;
2040         device_reg_t __iomem *reg = ISP_QUE_REG(ha, 0);
2041         struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp;
2042         struct qla_msix_entry *msix;
2043         struct init_cb_24xx *icb;
2044         uint16_t rid = 0;
2045         struct req_que *req = ha->req_q_map[0];
2046         struct rsp_que *rsp = ha->rsp_q_map[0];
2047
2048         /* Setup ring parameters in initialization control block. */
2049         icb = (struct init_cb_24xx *)ha->init_cb;
2050         icb->request_q_outpointer = __constant_cpu_to_le16(0);
2051         icb->response_q_inpointer = __constant_cpu_to_le16(0);
2052         icb->request_q_length = cpu_to_le16(req->length);
2053         icb->response_q_length = cpu_to_le16(rsp->length);
2054         icb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
2055         icb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
2056         icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
2057         icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
2058
2059         /* Setup ATIO queue dma pointers for target mode */
2060         icb->atio_q_inpointer = __constant_cpu_to_le16(0);
2061         icb->atio_q_length = cpu_to_le16(ha->tgt.atio_q_length);
2062         icb->atio_q_address[0] = cpu_to_le32(LSD(ha->tgt.atio_dma));
2063         icb->atio_q_address[1] = cpu_to_le32(MSD(ha->tgt.atio_dma));
2064
2065         if (IS_SHADOW_REG_CAPABLE(ha))
2066                 icb->firmware_options_2 |=
2067                     __constant_cpu_to_le32(BIT_30|BIT_29);
2068
2069         if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
2070                 icb->qos = __constant_cpu_to_le16(QLA_DEFAULT_QUE_QOS);
2071                 icb->rid = __constant_cpu_to_le16(rid);
2072                 if (ha->flags.msix_enabled) {
2073                         msix = &ha->msix_entries[1];
2074                         ql_dbg(ql_dbg_init, vha, 0x00fd,
2075                             "Registering vector 0x%x for base que.\n",
2076                             msix->entry);
2077                         icb->msix = cpu_to_le16(msix->entry);
2078                 }
2079                 /* Use alternate PCI bus number */
2080                 if (MSB(rid))
2081                         icb->firmware_options_2 |=
2082                                 __constant_cpu_to_le32(BIT_19);
2083                 /* Use alternate PCI devfn */
2084                 if (LSB(rid))
2085                         icb->firmware_options_2 |=
2086                                 __constant_cpu_to_le32(BIT_18);
2087
2088                 /* Use Disable MSIX Handshake mode for capable adapters */
2089                 if ((ha->fw_attributes & BIT_6) && (IS_MSIX_NACK_CAPABLE(ha)) &&
2090                     (ha->flags.msix_enabled)) {
2091                         icb->firmware_options_2 &=
2092                                 __constant_cpu_to_le32(~BIT_22);
2093                         ha->flags.disable_msix_handshake = 1;
2094                         ql_dbg(ql_dbg_init, vha, 0x00fe,
2095                             "MSIX Handshake Disable Mode turned on.\n");
2096                 } else {
2097                         icb->firmware_options_2 |=
2098                                 __constant_cpu_to_le32(BIT_22);
2099                 }
2100                 icb->firmware_options_2 |= __constant_cpu_to_le32(BIT_23);
2101
2102                 WRT_REG_DWORD(&reg->isp25mq.req_q_in, 0);
2103                 WRT_REG_DWORD(&reg->isp25mq.req_q_out, 0);
2104                 WRT_REG_DWORD(&reg->isp25mq.rsp_q_in, 0);
2105                 WRT_REG_DWORD(&reg->isp25mq.rsp_q_out, 0);
2106         } else {
2107                 WRT_REG_DWORD(&reg->isp24.req_q_in, 0);
2108                 WRT_REG_DWORD(&reg->isp24.req_q_out, 0);
2109                 WRT_REG_DWORD(&reg->isp24.rsp_q_in, 0);
2110                 WRT_REG_DWORD(&reg->isp24.rsp_q_out, 0);
2111         }
2112         qlt_24xx_config_rings(vha);
2113
2114         /* PCI posting */
2115         RD_REG_DWORD(&ioreg->hccr);
2116 }
2117
2118 /**
2119  * qla2x00_init_rings() - Initializes firmware.
2120  * @ha: HA context
2121  *
2122  * Beginning of request ring has initialization control block already built
2123  * by nvram config routine.
2124  *
2125  * Returns 0 on success.
2126  */
2127 int
2128 qla2x00_init_rings(scsi_qla_host_t *vha)
2129 {
2130         int     rval;
2131         unsigned long flags = 0;
2132         int cnt, que;
2133         struct qla_hw_data *ha = vha->hw;
2134         struct req_que *req;
2135         struct rsp_que *rsp;
2136         struct mid_init_cb_24xx *mid_init_cb =
2137             (struct mid_init_cb_24xx *) ha->init_cb;
2138
2139         spin_lock_irqsave(&ha->hardware_lock, flags);
2140
2141         /* Clear outstanding commands array. */
2142         for (que = 0; que < ha->max_req_queues; que++) {
2143                 req = ha->req_q_map[que];
2144                 if (!req)
2145                         continue;
2146                 req->out_ptr = (void *)(req->ring + req->length);
2147                 *req->out_ptr = 0;
2148                 for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++)
2149                         req->outstanding_cmds[cnt] = NULL;
2150
2151                 req->current_outstanding_cmd = 1;
2152
2153                 /* Initialize firmware. */
2154                 req->ring_ptr  = req->ring;
2155                 req->ring_index    = 0;
2156                 req->cnt      = req->length;
2157         }
2158
2159         for (que = 0; que < ha->max_rsp_queues; que++) {
2160                 rsp = ha->rsp_q_map[que];
2161                 if (!rsp)
2162                         continue;
2163                 rsp->in_ptr = (void *)(rsp->ring + rsp->length);
2164                 *rsp->in_ptr = 0;
2165                 /* Initialize response queue entries */
2166                 if (IS_QLAFX00(ha))
2167                         qlafx00_init_response_q_entries(rsp);
2168                 else
2169                         qla2x00_init_response_q_entries(rsp);
2170         }
2171
2172         ha->tgt.atio_ring_ptr = ha->tgt.atio_ring;
2173         ha->tgt.atio_ring_index = 0;
2174         /* Initialize ATIO queue entries */
2175         qlt_init_atio_q_entries(vha);
2176
2177         ha->isp_ops->config_rings(vha);
2178
2179         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2180
2181         ql_dbg(ql_dbg_init, vha, 0x00d1, "Issue init firmware.\n");
2182
2183         if (IS_QLAFX00(ha)) {
2184                 rval = qlafx00_init_firmware(vha, ha->init_cb_size);
2185                 goto next_check;
2186         }
2187
2188         /* Update any ISP specific firmware options before initialization. */
2189         ha->isp_ops->update_fw_options(vha);
2190
2191         if (ha->flags.npiv_supported) {
2192                 if (ha->operating_mode == LOOP && !IS_CNA_CAPABLE(ha))
2193                         ha->max_npiv_vports = MIN_MULTI_ID_FABRIC - 1;
2194                 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
2195         }
2196
2197         if (IS_FWI2_CAPABLE(ha)) {
2198                 mid_init_cb->options = __constant_cpu_to_le16(BIT_1);
2199                 mid_init_cb->init_cb.execution_throttle =
2200                     cpu_to_le16(ha->fw_xcb_count);
2201                 /* D-Port Status */
2202                 if (IS_DPORT_CAPABLE(ha))
2203                         mid_init_cb->init_cb.firmware_options_1 |=
2204                             cpu_to_le16(BIT_7);
2205                 /* Enable FA-WWPN */
2206                 ha->flags.fawwpn_enabled =
2207                     (mid_init_cb->init_cb.firmware_options_1 & BIT_6) ? 1 : 0;
2208                 ql_dbg(ql_dbg_init, vha, 0x0141, "FA-WWPN Support: %s.\n",
2209                     (ha->flags.fawwpn_enabled) ? "enabled" : "disabled");
2210         }
2211
2212         rval = qla2x00_init_firmware(vha, ha->init_cb_size);
2213 next_check:
2214         if (rval) {
2215                 ql_log(ql_log_fatal, vha, 0x00d2,
2216                     "Init Firmware **** FAILED ****.\n");
2217         } else {
2218                 ql_dbg(ql_dbg_init, vha, 0x00d3,
2219                     "Init Firmware -- success.\n");
2220         }
2221
2222         return (rval);
2223 }
2224
2225 /**
2226  * qla2x00_fw_ready() - Waits for firmware ready.
2227  * @ha: HA context
2228  *
2229  * Returns 0 on success.
2230  */
2231 static int
2232 qla2x00_fw_ready(scsi_qla_host_t *vha)
2233 {
2234         int             rval;
2235         unsigned long   wtime, mtime, cs84xx_time;
2236         uint16_t        min_wait;       /* Minimum wait time if loop is down */
2237         uint16_t        wait_time;      /* Wait time if loop is coming ready */
2238         uint16_t        state[6];
2239         struct qla_hw_data *ha = vha->hw;
2240
2241         if (IS_QLAFX00(vha->hw))
2242                 return qlafx00_fw_ready(vha);
2243
2244         rval = QLA_SUCCESS;
2245
2246         /* 20 seconds for loop down. */
2247         min_wait = 20;
2248
2249         /*
2250          * Firmware should take at most one RATOV to login, plus 5 seconds for
2251          * our own processing.
2252          */
2253         if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
2254                 wait_time = min_wait;
2255         }
2256
2257         /* Min wait time if loop down */
2258         mtime = jiffies + (min_wait * HZ);
2259
2260         /* wait time before firmware ready */
2261         wtime = jiffies + (wait_time * HZ);
2262
2263         /* Wait for ISP to finish LIP */
2264         if (!vha->flags.init_done)
2265                 ql_log(ql_log_info, vha, 0x801e,
2266                     "Waiting for LIP to complete.\n");
2267
2268         do {
2269                 memset(state, -1, sizeof(state));
2270                 rval = qla2x00_get_firmware_state(vha, state);
2271                 if (rval == QLA_SUCCESS) {
2272                         if (state[0] < FSTATE_LOSS_OF_SYNC) {
2273                                 vha->device_flags &= ~DFLG_NO_CABLE;
2274                         }
2275                         if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) {
2276                                 ql_dbg(ql_dbg_taskm, vha, 0x801f,
2277                                     "fw_state=%x 84xx=%x.\n", state[0],
2278                                     state[2]);
2279                                 if ((state[2] & FSTATE_LOGGED_IN) &&
2280                                      (state[2] & FSTATE_WAITING_FOR_VERIFY)) {
2281                                         ql_dbg(ql_dbg_taskm, vha, 0x8028,
2282                                             "Sending verify iocb.\n");
2283
2284                                         cs84xx_time = jiffies;
2285                                         rval = qla84xx_init_chip(vha);
2286                                         if (rval != QLA_SUCCESS) {
2287                                                 ql_log(ql_log_warn,
2288                                                     vha, 0x8007,
2289                                                     "Init chip failed.\n");
2290                                                 break;
2291                                         }
2292
2293                                         /* Add time taken to initialize. */
2294                                         cs84xx_time = jiffies - cs84xx_time;
2295                                         wtime += cs84xx_time;
2296                                         mtime += cs84xx_time;
2297                                         ql_dbg(ql_dbg_taskm, vha, 0x8008,
2298                                             "Increasing wait time by %ld. "
2299                                             "New time %ld.\n", cs84xx_time,
2300                                             wtime);
2301                                 }
2302                         } else if (state[0] == FSTATE_READY) {
2303                                 ql_dbg(ql_dbg_taskm, vha, 0x8037,
2304                                     "F/W Ready - OK.\n");
2305
2306                                 qla2x00_get_retry_cnt(vha, &ha->retry_count,
2307                                     &ha->login_timeout, &ha->r_a_tov);
2308
2309                                 rval = QLA_SUCCESS;
2310                                 break;
2311                         }
2312
2313                         rval = QLA_FUNCTION_FAILED;
2314
2315                         if (atomic_read(&vha->loop_down_timer) &&
2316                             state[0] != FSTATE_READY) {
2317                                 /* Loop down. Timeout on min_wait for states
2318                                  * other than Wait for Login.
2319                                  */
2320                                 if (time_after_eq(jiffies, mtime)) {
2321                                         ql_log(ql_log_info, vha, 0x8038,
2322                                             "Cable is unplugged...\n");
2323
2324                                         vha->device_flags |= DFLG_NO_CABLE;
2325                                         break;
2326                                 }
2327                         }
2328                 } else {
2329                         /* Mailbox cmd failed. Timeout on min_wait. */
2330                         if (time_after_eq(jiffies, mtime) ||
2331                                 ha->flags.isp82xx_fw_hung)
2332                                 break;
2333                 }
2334
2335                 if (time_after_eq(jiffies, wtime))
2336                         break;
2337
2338                 /* Delay for a while */
2339                 msleep(500);
2340         } while (1);
2341
2342         ql_dbg(ql_dbg_taskm, vha, 0x803a,
2343             "fw_state=%x (%x, %x, %x, %x %x) curr time=%lx.\n", state[0],
2344             state[1], state[2], state[3], state[4], state[5], jiffies);
2345
2346         if (rval && !(vha->device_flags & DFLG_NO_CABLE)) {
2347                 ql_log(ql_log_warn, vha, 0x803b,
2348                     "Firmware ready **** FAILED ****.\n");
2349         }
2350
2351         return (rval);
2352 }
2353
2354 /*
2355 *  qla2x00_configure_hba
2356 *      Setup adapter context.
2357 *
2358 * Input:
2359 *      ha = adapter state pointer.
2360 *
2361 * Returns:
2362 *      0 = success
2363 *
2364 * Context:
2365 *      Kernel context.
2366 */
2367 static int
2368 qla2x00_configure_hba(scsi_qla_host_t *vha)
2369 {
2370         int       rval;
2371         uint16_t      loop_id;
2372         uint16_t      topo;
2373         uint16_t      sw_cap;
2374         uint8_t       al_pa;
2375         uint8_t       area;
2376         uint8_t       domain;
2377         char            connect_type[22];
2378         struct qla_hw_data *ha = vha->hw;
2379         unsigned long flags;
2380         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
2381
2382         /* Get host addresses. */
2383         rval = qla2x00_get_adapter_id(vha,
2384             &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
2385         if (rval != QLA_SUCCESS) {
2386                 if (LOOP_TRANSITION(vha) || atomic_read(&ha->loop_down_timer) ||
2387                     IS_CNA_CAPABLE(ha) ||
2388                     (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
2389                         ql_dbg(ql_dbg_disc, vha, 0x2008,
2390                             "Loop is in a transition state.\n");
2391                 } else {
2392                         ql_log(ql_log_warn, vha, 0x2009,
2393                             "Unable to get host loop ID.\n");
2394                         if (IS_FWI2_CAPABLE(ha) && (vha == base_vha) &&
2395                             (rval == QLA_COMMAND_ERROR && loop_id == 0x1b)) {
2396                                 ql_log(ql_log_warn, vha, 0x1151,
2397                                     "Doing link init.\n");
2398                                 if (qla24xx_link_initialize(vha) == QLA_SUCCESS)
2399                                         return rval;
2400                         }
2401                         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2402                 }
2403                 return (rval);
2404         }
2405
2406         if (topo == 4) {
2407                 ql_log(ql_log_info, vha, 0x200a,
2408                     "Cannot get topology - retrying.\n");
2409                 return (QLA_FUNCTION_FAILED);
2410         }
2411
2412         vha->loop_id = loop_id;
2413
2414         /* initialize */
2415         ha->min_external_loopid = SNS_FIRST_LOOP_ID;
2416         ha->operating_mode = LOOP;
2417         ha->switch_cap = 0;
2418
2419         switch (topo) {
2420         case 0:
2421                 ql_dbg(ql_dbg_disc, vha, 0x200b, "HBA in NL topology.\n");
2422                 ha->current_topology = ISP_CFG_NL;
2423                 strcpy(connect_type, "(Loop)");
2424                 break;
2425
2426         case 1:
2427                 ql_dbg(ql_dbg_disc, vha, 0x200c, "HBA in FL topology.\n");
2428                 ha->switch_cap = sw_cap;
2429                 ha->current_topology = ISP_CFG_FL;
2430                 strcpy(connect_type, "(FL_Port)");
2431                 break;
2432
2433         case 2:
2434                 ql_dbg(ql_dbg_disc, vha, 0x200d, "HBA in N P2P topology.\n");
2435                 ha->operating_mode = P2P;
2436                 ha->current_topology = ISP_CFG_N;
2437                 strcpy(connect_type, "(N_Port-to-N_Port)");
2438                 break;
2439
2440         case 3:
2441                 ql_dbg(ql_dbg_disc, vha, 0x200e, "HBA in F P2P topology.\n");
2442                 ha->switch_cap = sw_cap;
2443                 ha->operating_mode = P2P;
2444                 ha->current_topology = ISP_CFG_F;
2445                 strcpy(connect_type, "(F_Port)");
2446                 break;
2447
2448         default:
2449                 ql_dbg(ql_dbg_disc, vha, 0x200f,
2450                     "HBA in unknown topology %x, using NL.\n", topo);
2451                 ha->current_topology = ISP_CFG_NL;
2452                 strcpy(connect_type, "(Loop)");
2453                 break;
2454         }
2455
2456         /* Save Host port and loop ID. */
2457         /* byte order - Big Endian */
2458         vha->d_id.b.domain = domain;
2459         vha->d_id.b.area = area;
2460         vha->d_id.b.al_pa = al_pa;
2461
2462         spin_lock_irqsave(&ha->vport_slock, flags);
2463         qlt_update_vp_map(vha, SET_AL_PA);
2464         spin_unlock_irqrestore(&ha->vport_slock, flags);
2465
2466         if (!vha->flags.init_done)
2467                 ql_log(ql_log_info, vha, 0x2010,
2468                     "Topology - %s, Host Loop address 0x%x.\n",
2469                     connect_type, vha->loop_id);
2470
2471         return(rval);
2472 }
2473
2474 inline void
2475 qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
2476         char *def)
2477 {
2478         char *st, *en;
2479         uint16_t index;
2480         struct qla_hw_data *ha = vha->hw;
2481         int use_tbl = !IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) &&
2482             !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha);
2483
2484         if (memcmp(model, BINZERO, len) != 0) {
2485                 strncpy(ha->model_number, model, len);
2486                 st = en = ha->model_number;
2487                 en += len - 1;
2488                 while (en > st) {
2489                         if (*en != 0x20 && *en != 0x00)
2490                                 break;
2491                         *en-- = '\0';
2492                 }
2493
2494                 index = (ha->pdev->subsystem_device & 0xff);
2495                 if (use_tbl &&
2496                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
2497                     index < QLA_MODEL_NAMES)
2498                         strncpy(ha->model_desc,
2499                             qla2x00_model_name[index * 2 + 1],
2500                             sizeof(ha->model_desc) - 1);
2501         } else {
2502                 index = (ha->pdev->subsystem_device & 0xff);
2503                 if (use_tbl &&
2504                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
2505                     index < QLA_MODEL_NAMES) {
2506                         strcpy(ha->model_number,
2507                             qla2x00_model_name[index * 2]);
2508                         strncpy(ha->model_desc,
2509                             qla2x00_model_name[index * 2 + 1],
2510                             sizeof(ha->model_desc) - 1);
2511                 } else {
2512                         strcpy(ha->model_number, def);
2513                 }
2514         }
2515         if (IS_FWI2_CAPABLE(ha))
2516                 qla2xxx_get_vpd_field(vha, "\x82", ha->model_desc,
2517                     sizeof(ha->model_desc));
2518 }
2519
2520 /* On sparc systems, obtain port and node WWN from firmware
2521  * properties.
2522  */
2523 static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, nvram_t *nv)
2524 {
2525 #ifdef CONFIG_SPARC
2526         struct qla_hw_data *ha = vha->hw;
2527         struct pci_dev *pdev = ha->pdev;
2528         struct device_node *dp = pci_device_to_OF_node(pdev);
2529         const u8 *val;
2530         int len;
2531
2532         val = of_get_property(dp, "port-wwn", &len);
2533         if (val && len >= WWN_SIZE)
2534                 memcpy(nv->port_name, val, WWN_SIZE);
2535
2536         val = of_get_property(dp, "node-wwn", &len);
2537         if (val && len >= WWN_SIZE)
2538                 memcpy(nv->node_name, val, WWN_SIZE);
2539 #endif
2540 }
2541
2542 /*
2543 * NVRAM configuration for ISP 2xxx
2544 *
2545 * Input:
2546 *      ha                = adapter block pointer.
2547 *
2548 * Output:
2549 *      initialization control block in response_ring
2550 *      host adapters parameters in host adapter block
2551 *
2552 * Returns:
2553 *      0 = success.
2554 */
2555 int
2556 qla2x00_nvram_config(scsi_qla_host_t *vha)
2557 {
2558         int             rval;
2559         uint8_t         chksum = 0;
2560         uint16_t        cnt;
2561         uint8_t         *dptr1, *dptr2;
2562         struct qla_hw_data *ha = vha->hw;
2563         init_cb_t       *icb = ha->init_cb;
2564         nvram_t         *nv = ha->nvram;
2565         uint8_t         *ptr = ha->nvram;
2566         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2567
2568         rval = QLA_SUCCESS;
2569
2570         /* Determine NVRAM starting address. */
2571         ha->nvram_size = sizeof(nvram_t);
2572         ha->nvram_base = 0;
2573         if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
2574                 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
2575                         ha->nvram_base = 0x80;
2576
2577         /* Get NVRAM data and calculate checksum. */
2578         ha->isp_ops->read_nvram(vha, ptr, ha->nvram_base, ha->nvram_size);
2579         for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
2580                 chksum += *ptr++;
2581
2582         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x010f,
2583             "Contents of NVRAM.\n");
2584         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0110,
2585             (uint8_t *)nv, ha->nvram_size);
2586
2587         /* Bad NVRAM data, set defaults parameters. */
2588         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
2589             nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
2590                 /* Reset NVRAM data. */
2591                 ql_log(ql_log_warn, vha, 0x0064,
2592                     "Inconsistent NVRAM "
2593                     "detected: checksum=0x%x id=%c version=0x%x.\n",
2594                     chksum, nv->id[0], nv->nvram_version);
2595                 ql_log(ql_log_warn, vha, 0x0065,
2596                     "Falling back to "
2597                     "functioning (yet invalid -- WWPN) defaults.\n");
2598
2599                 /*
2600                  * Set default initialization control block.
2601                  */
2602                 memset(nv, 0, ha->nvram_size);
2603                 nv->parameter_block_version = ICB_VERSION;
2604
2605                 if (IS_QLA23XX(ha)) {
2606                         nv->firmware_options[0] = BIT_2 | BIT_1;
2607                         nv->firmware_options[1] = BIT_7 | BIT_5;
2608                         nv->add_firmware_options[0] = BIT_5;
2609                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
2610                         nv->frame_payload_size = 2048;
2611                         nv->special_options[1] = BIT_7;
2612                 } else if (IS_QLA2200(ha)) {
2613                         nv->firmware_options[0] = BIT_2 | BIT_1;
2614                         nv->firmware_options[1] = BIT_7 | BIT_5;
2615                         nv->add_firmware_options[0] = BIT_5;
2616                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
2617                         nv->frame_payload_size = 1024;
2618                 } else if (IS_QLA2100(ha)) {
2619                         nv->firmware_options[0] = BIT_3 | BIT_1;
2620                         nv->firmware_options[1] = BIT_5;
2621                         nv->frame_payload_size = 1024;
2622                 }
2623
2624                 nv->max_iocb_allocation = __constant_cpu_to_le16(256);
2625                 nv->execution_throttle = __constant_cpu_to_le16(16);
2626                 nv->retry_count = 8;
2627                 nv->retry_delay = 1;
2628
2629                 nv->port_name[0] = 33;
2630                 nv->port_name[3] = 224;
2631                 nv->port_name[4] = 139;
2632
2633                 qla2xxx_nvram_wwn_from_ofw(vha, nv);
2634
2635                 nv->login_timeout = 4;
2636
2637                 /*
2638                  * Set default host adapter parameters
2639                  */
2640                 nv->host_p[1] = BIT_2;
2641                 nv->reset_delay = 5;
2642                 nv->port_down_retry_count = 8;
2643                 nv->max_luns_per_target = __constant_cpu_to_le16(8);
2644                 nv->link_down_timeout = 60;
2645
2646                 rval = 1;
2647         }
2648
2649 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
2650         /*
2651          * The SN2 does not provide BIOS emulation which means you can't change
2652          * potentially bogus BIOS settings. Force the use of default settings
2653          * for link rate and frame size.  Hope that the rest of the settings
2654          * are valid.
2655          */
2656         if (ia64_platform_is("sn2")) {
2657                 nv->frame_payload_size = 2048;
2658                 if (IS_QLA23XX(ha))
2659                         nv->special_options[1] = BIT_7;
2660         }
2661 #endif
2662
2663         /* Reset Initialization control block */
2664         memset(icb, 0, ha->init_cb_size);
2665
2666         /*
2667          * Setup driver NVRAM options.
2668          */
2669         nv->firmware_options[0] |= (BIT_6 | BIT_1);
2670         nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
2671         nv->firmware_options[1] |= (BIT_5 | BIT_0);
2672         nv->firmware_options[1] &= ~BIT_4;
2673
2674         if (IS_QLA23XX(ha)) {
2675                 nv->firmware_options[0] |= BIT_2;
2676                 nv->firmware_options[0] &= ~BIT_3;
2677                 nv->special_options[0] &= ~BIT_6;
2678                 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
2679
2680                 if (IS_QLA2300(ha)) {
2681                         if (ha->fb_rev == FPM_2310) {
2682                                 strcpy(ha->model_number, "QLA2310");
2683                         } else {
2684                                 strcpy(ha->model_number, "QLA2300");
2685                         }
2686                 } else {
2687                         qla2x00_set_model_info(vha, nv->model_number,
2688                             sizeof(nv->model_number), "QLA23xx");
2689                 }
2690         } else if (IS_QLA2200(ha)) {
2691                 nv->firmware_options[0] |= BIT_2;
2692                 /*
2693                  * 'Point-to-point preferred, else loop' is not a safe
2694                  * connection mode setting.
2695                  */
2696                 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
2697                     (BIT_5 | BIT_4)) {
2698                         /* Force 'loop preferred, else point-to-point'. */
2699                         nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
2700                         nv->add_firmware_options[0] |= BIT_5;
2701                 }
2702                 strcpy(ha->model_number, "QLA22xx");
2703         } else /*if (IS_QLA2100(ha))*/ {
2704                 strcpy(ha->model_number, "QLA2100");
2705         }
2706
2707         /*
2708          * Copy over NVRAM RISC parameter block to initialization control block.
2709          */
2710         dptr1 = (uint8_t *)icb;
2711         dptr2 = (uint8_t *)&nv->parameter_block_version;
2712         cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
2713         while (cnt--)
2714                 *dptr1++ = *dptr2++;
2715
2716         /* Copy 2nd half. */
2717         dptr1 = (uint8_t *)icb->add_firmware_options;
2718         cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
2719         while (cnt--)
2720                 *dptr1++ = *dptr2++;
2721
2722         /* Use alternate WWN? */
2723         if (nv->host_p[1] & BIT_7) {
2724                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
2725                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
2726         }
2727
2728         /* Prepare nodename */
2729         if ((icb->firmware_options[1] & BIT_6) == 0) {
2730                 /*
2731                  * Firmware will apply the following mask if the nodename was
2732                  * not provided.
2733                  */
2734                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
2735                 icb->node_name[0] &= 0xF0;
2736         }
2737
2738         /*
2739          * Set host adapter parameters.
2740          */
2741
2742         /*
2743          * BIT_7 in the host-parameters section allows for modification to
2744          * internal driver logging.
2745          */
2746         if (nv->host_p[0] & BIT_7)
2747                 ql2xextended_error_logging = QL_DBG_DEFAULT1_MASK;
2748         ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
2749         /* Always load RISC code on non ISP2[12]00 chips. */
2750         if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
2751                 ha->flags.disable_risc_code_load = 0;
2752         ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
2753         ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
2754         ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
2755         ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
2756         ha->flags.disable_serdes = 0;
2757
2758         ha->operating_mode =
2759             (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
2760
2761         memcpy(ha->fw_seriallink_options, nv->seriallink_options,
2762             sizeof(ha->fw_seriallink_options));
2763
2764         /* save HBA serial number */
2765         ha->serial0 = icb->port_name[5];
2766         ha->serial1 = icb->port_name[6];
2767         ha->serial2 = icb->port_name[7];
2768         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
2769         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
2770
2771         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
2772
2773         ha->retry_count = nv->retry_count;
2774
2775         /* Set minimum login_timeout to 4 seconds. */
2776         if (nv->login_timeout != ql2xlogintimeout)
2777                 nv->login_timeout = ql2xlogintimeout;
2778         if (nv->login_timeout < 4)
2779                 nv->login_timeout = 4;
2780         ha->login_timeout = nv->login_timeout;
2781         icb->login_timeout = nv->login_timeout;
2782
2783         /* Set minimum RATOV to 100 tenths of a second. */
2784         ha->r_a_tov = 100;
2785
2786         ha->loop_reset_delay = nv->reset_delay;
2787
2788         /* Link Down Timeout = 0:
2789          *
2790          *      When Port Down timer expires we will start returning
2791          *      I/O's to OS with "DID_NO_CONNECT".
2792          *
2793          * Link Down Timeout != 0:
2794          *
2795          *       The driver waits for the link to come up after link down
2796          *       before returning I/Os to OS with "DID_NO_CONNECT".
2797          */
2798         if (nv->link_down_timeout == 0) {
2799                 ha->loop_down_abort_time =
2800                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
2801         } else {
2802                 ha->link_down_timeout =  nv->link_down_timeout;
2803                 ha->loop_down_abort_time =
2804                     (LOOP_DOWN_TIME - ha->link_down_timeout);
2805         }
2806
2807         /*
2808          * Need enough time to try and get the port back.
2809          */
2810         ha->port_down_retry_count = nv->port_down_retry_count;
2811         if (qlport_down_retry)
2812                 ha->port_down_retry_count = qlport_down_retry;
2813         /* Set login_retry_count */
2814         ha->login_retry_count  = nv->retry_count;
2815         if (ha->port_down_retry_count == nv->port_down_retry_count &&
2816             ha->port_down_retry_count > 3)
2817                 ha->login_retry_count = ha->port_down_retry_count;
2818         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
2819                 ha->login_retry_count = ha->port_down_retry_count;
2820         if (ql2xloginretrycount)
2821                 ha->login_retry_count = ql2xloginretrycount;
2822
2823         icb->lun_enables = __constant_cpu_to_le16(0);
2824         icb->command_resource_count = 0;
2825         icb->immediate_notify_resource_count = 0;
2826         icb->timeout = __constant_cpu_to_le16(0);
2827
2828         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2829                 /* Enable RIO */
2830                 icb->firmware_options[0] &= ~BIT_3;
2831                 icb->add_firmware_options[0] &=
2832                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2833                 icb->add_firmware_options[0] |= BIT_2;
2834                 icb->response_accumulation_timer = 3;
2835                 icb->interrupt_delay_timer = 5;
2836
2837                 vha->flags.process_response_queue = 1;
2838         } else {
2839                 /* Enable ZIO. */
2840                 if (!vha->flags.init_done) {
2841                         ha->zio_mode = icb->add_firmware_options[0] &
2842                             (BIT_3 | BIT_2 | BIT_1 | BIT_0);
2843                         ha->zio_timer = icb->interrupt_delay_timer ?
2844                             icb->interrupt_delay_timer: 2;
2845                 }
2846                 icb->add_firmware_options[0] &=
2847                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2848                 vha->flags.process_response_queue = 0;
2849                 if (ha->zio_mode != QLA_ZIO_DISABLED) {
2850                         ha->zio_mode = QLA_ZIO_MODE_6;
2851
2852                         ql_log(ql_log_info, vha, 0x0068,
2853                             "ZIO mode %d enabled; timer delay (%d us).\n",
2854                             ha->zio_mode, ha->zio_timer * 100);
2855
2856                         icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
2857                         icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
2858                         vha->flags.process_response_queue = 1;
2859                 }
2860         }
2861
2862         if (rval) {
2863                 ql_log(ql_log_warn, vha, 0x0069,
2864                     "NVRAM configuration failed.\n");
2865         }
2866         return (rval);
2867 }
2868
2869 static void
2870 qla2x00_rport_del(void *data)
2871 {
2872         fc_port_t *fcport = data;
2873         struct fc_rport *rport;
2874         scsi_qla_host_t *vha = fcport->vha;
2875         unsigned long flags;
2876
2877         spin_lock_irqsave(fcport->vha->host->host_lock, flags);
2878         rport = fcport->drport ? fcport->drport: fcport->rport;
2879         fcport->drport = NULL;
2880         spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
2881         if (rport) {
2882                 fc_remote_port_delete(rport);
2883                 /*
2884                  * Release the target mode FC NEXUS in qla_target.c code
2885                  * if target mod is enabled.
2886                  */
2887                 qlt_fc_port_deleted(vha, fcport);
2888         }
2889 }
2890
2891 /**
2892  * qla2x00_alloc_fcport() - Allocate a generic fcport.
2893  * @ha: HA context
2894  * @flags: allocation flags
2895  *
2896  * Returns a pointer to the allocated fcport, or NULL, if none available.
2897  */
2898 fc_port_t *
2899 qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags)
2900 {
2901         fc_port_t *fcport;
2902
2903         fcport = kzalloc(sizeof(fc_port_t), flags);
2904         if (!fcport)
2905                 return NULL;
2906
2907         /* Setup fcport template structure. */
2908         fcport->vha = vha;
2909         fcport->port_type = FCT_UNKNOWN;
2910         fcport->loop_id = FC_NO_LOOP_ID;
2911         qla2x00_set_fcport_state(fcport, FCS_UNCONFIGURED);
2912         fcport->supported_classes = FC_COS_UNSPECIFIED;
2913
2914         return fcport;
2915 }
2916
2917 /*
2918  * qla2x00_configure_loop
2919  *      Updates Fibre Channel Device Database with what is actually on loop.
2920  *
2921  * Input:
2922  *      ha                = adapter block pointer.
2923  *
2924  * Returns:
2925  *      0 = success.
2926  *      1 = error.
2927  *      2 = database was full and device was not configured.
2928  */
2929 static int
2930 qla2x00_configure_loop(scsi_qla_host_t *vha)
2931 {
2932         int  rval;
2933         unsigned long flags, save_flags;
2934         struct qla_hw_data *ha = vha->hw;
2935         rval = QLA_SUCCESS;
2936
2937         /* Get Initiator ID */
2938         if (test_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags)) {
2939                 rval = qla2x00_configure_hba(vha);
2940                 if (rval != QLA_SUCCESS) {
2941                         ql_dbg(ql_dbg_disc, vha, 0x2013,
2942                             "Unable to configure HBA.\n");
2943                         return (rval);
2944                 }
2945         }
2946
2947         save_flags = flags = vha->dpc_flags;
2948         ql_dbg(ql_dbg_disc, vha, 0x2014,
2949             "Configure loop -- dpc flags = 0x%lx.\n", flags);
2950
2951         /*
2952          * If we have both an RSCN and PORT UPDATE pending then handle them
2953          * both at the same time.
2954          */
2955         clear_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2956         clear_bit(RSCN_UPDATE, &vha->dpc_flags);
2957
2958         qla2x00_get_data_rate(vha);
2959
2960         /* Determine what we need to do */
2961         if (ha->current_topology == ISP_CFG_FL &&
2962             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2963
2964                 set_bit(RSCN_UPDATE, &flags);
2965
2966         } else if (ha->current_topology == ISP_CFG_F &&
2967             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2968
2969                 set_bit(RSCN_UPDATE, &flags);
2970                 clear_bit(LOCAL_LOOP_UPDATE, &flags);
2971
2972         } else if (ha->current_topology == ISP_CFG_N) {
2973                 clear_bit(RSCN_UPDATE, &flags);
2974
2975         } else if (!vha->flags.online ||
2976             (test_bit(ABORT_ISP_ACTIVE, &flags))) {
2977
2978                 set_bit(RSCN_UPDATE, &flags);
2979                 set_bit(LOCAL_LOOP_UPDATE, &flags);
2980         }
2981
2982         if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
2983                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
2984                         ql_dbg(ql_dbg_disc, vha, 0x2015,
2985                             "Loop resync needed, failing.\n");
2986                         rval = QLA_FUNCTION_FAILED;
2987                 } else
2988                         rval = qla2x00_configure_local_loop(vha);
2989         }
2990
2991         if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
2992                 if (LOOP_TRANSITION(vha)) {
2993                         ql_dbg(ql_dbg_disc, vha, 0x201e,
2994                             "Needs RSCN update and loop transition.\n");
2995                         rval = QLA_FUNCTION_FAILED;
2996                 }
2997                 else
2998                         rval = qla2x00_configure_fabric(vha);
2999         }
3000
3001         if (rval == QLA_SUCCESS) {
3002                 if (atomic_read(&vha->loop_down_timer) ||
3003                     test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
3004                         rval = QLA_FUNCTION_FAILED;
3005                 } else {
3006                         atomic_set(&vha->loop_state, LOOP_READY);
3007                         ql_dbg(ql_dbg_disc, vha, 0x2069,
3008                             "LOOP READY.\n");
3009                 }
3010         }
3011
3012         if (rval) {
3013                 ql_dbg(ql_dbg_disc, vha, 0x206a,
3014                     "%s *** FAILED ***.\n", __func__);
3015         } else {
3016                 ql_dbg(ql_dbg_disc, vha, 0x206b,
3017                     "%s: exiting normally.\n", __func__);
3018         }
3019
3020         /* Restore state if a resync event occurred during processing */
3021         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
3022                 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
3023                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
3024                 if (test_bit(RSCN_UPDATE, &save_flags)) {
3025                         set_bit(RSCN_UPDATE, &vha->dpc_flags);
3026                 }
3027         }
3028
3029         return (rval);
3030 }
3031
3032
3033
3034 /*
3035  * qla2x00_configure_local_loop
3036  *      Updates Fibre Channel Device Database with local loop devices.
3037  *
3038  * Input:
3039  *      ha = adapter block pointer.
3040  *
3041  * Returns:
3042  *      0 = success.
3043  */
3044 static int
3045 qla2x00_configure_local_loop(scsi_qla_host_t *vha)
3046 {
3047         int             rval, rval2;
3048         int             found_devs;
3049         int             found;
3050         fc_port_t       *fcport, *new_fcport;
3051
3052         uint16_t        index;
3053         uint16_t        entries;
3054         char            *id_iter;
3055         uint16_t        loop_id;
3056         uint8_t         domain, area, al_pa;
3057         struct qla_hw_data *ha = vha->hw;
3058
3059         found_devs = 0;
3060         new_fcport = NULL;
3061         entries = MAX_FIBRE_DEVICES_LOOP;
3062
3063         /* Get list of logged in devices. */
3064         memset(ha->gid_list, 0, qla2x00_gid_list_size(ha));
3065         rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma,
3066             &entries);
3067         if (rval != QLA_SUCCESS)
3068                 goto cleanup_allocation;
3069
3070         ql_dbg(ql_dbg_disc, vha, 0x2017,
3071             "Entries in ID list (%d).\n", entries);
3072         ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x2075,
3073             (uint8_t *)ha->gid_list,
3074             entries * sizeof(struct gid_list_info));
3075
3076         /* Allocate temporary fcport for any new fcports discovered. */
3077         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3078         if (new_fcport == NULL) {
3079                 ql_log(ql_log_warn, vha, 0x2018,
3080                     "Memory allocation failed for fcport.\n");
3081                 rval = QLA_MEMORY_ALLOC_FAILED;
3082                 goto cleanup_allocation;
3083         }
3084         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
3085
3086         /*
3087          * Mark local devices that were present with FCF_DEVICE_LOST for now.
3088          */
3089         list_for_each_entry(fcport, &vha->vp_fcports, list) {
3090                 if (atomic_read(&fcport->state) == FCS_ONLINE &&
3091                     fcport->port_type != FCT_BROADCAST &&
3092                     (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
3093
3094                         ql_dbg(ql_dbg_disc, vha, 0x2019,
3095                             "Marking port lost loop_id=0x%04x.\n",
3096                             fcport->loop_id);
3097
3098                         qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3099                 }
3100         }
3101
3102         /* Add devices to port list. */
3103         id_iter = (char *)ha->gid_list;
3104         for (index = 0; index < entries; index++) {
3105                 domain = ((struct gid_list_info *)id_iter)->domain;
3106                 area = ((struct gid_list_info *)id_iter)->area;
3107                 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
3108                 if (IS_QLA2100(ha) || IS_QLA2200(ha))
3109                         loop_id = (uint16_t)
3110                             ((struct gid_list_info *)id_iter)->loop_id_2100;
3111                 else
3112                         loop_id = le16_to_cpu(
3113                             ((struct gid_list_info *)id_iter)->loop_id);
3114                 id_iter += ha->gid_list_info_size;
3115
3116                 /* Bypass reserved domain fields. */
3117                 if ((domain & 0xf0) == 0xf0)
3118                         continue;
3119
3120                 /* Bypass if not same domain and area of adapter. */
3121                 if (area && domain &&
3122                     (area != vha->d_id.b.area || domain != vha->d_id.b.domain))
3123                         continue;
3124
3125                 /* Bypass invalid local loop ID. */
3126                 if (loop_id > LAST_LOCAL_LOOP_ID)
3127                         continue;
3128
3129                 memset(new_fcport, 0, sizeof(fc_port_t));
3130
3131                 /* Fill in member data. */
3132                 new_fcport->d_id.b.domain = domain;
3133                 new_fcport->d_id.b.area = area;
3134                 new_fcport->d_id.b.al_pa = al_pa;
3135                 new_fcport->loop_id = loop_id;
3136                 rval2 = qla2x00_get_port_database(vha, new_fcport, 0);
3137                 if (rval2 != QLA_SUCCESS) {
3138                         ql_dbg(ql_dbg_disc, vha, 0x201a,
3139                             "Failed to retrieve fcport information "
3140                             "-- get_port_database=%x, loop_id=0x%04x.\n",
3141                             rval2, new_fcport->loop_id);
3142                         ql_dbg(ql_dbg_disc, vha, 0x201b,
3143                             "Scheduling resync.\n");
3144                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3145                         continue;
3146                 }
3147
3148                 /* Check for matching device in port list. */
3149                 found = 0;
3150                 fcport = NULL;
3151                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3152                         if (memcmp(new_fcport->port_name, fcport->port_name,
3153                             WWN_SIZE))
3154                                 continue;
3155
3156                         fcport->flags &= ~FCF_FABRIC_DEVICE;
3157                         fcport->loop_id = new_fcport->loop_id;
3158                         fcport->port_type = new_fcport->port_type;
3159                         fcport->d_id.b24 = new_fcport->d_id.b24;
3160                         memcpy(fcport->node_name, new_fcport->node_name,
3161                             WWN_SIZE);
3162
3163                         found++;
3164                         break;
3165                 }
3166
3167                 if (!found) {
3168                         /* New device, add to fcports list. */
3169                         list_add_tail(&new_fcport->list, &vha->vp_fcports);
3170
3171                         /* Allocate a new replacement fcport. */
3172                         fcport = new_fcport;
3173                         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3174                         if (new_fcport == NULL) {
3175                                 ql_log(ql_log_warn, vha, 0x201c,
3176                                     "Failed to allocate memory for fcport.\n");
3177                                 rval = QLA_MEMORY_ALLOC_FAILED;
3178                                 goto cleanup_allocation;
3179                         }
3180                         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
3181                 }
3182
3183                 /* Base iIDMA settings on HBA port speed. */
3184                 fcport->fp_speed = ha->link_data_rate;
3185
3186                 qla2x00_update_fcport(vha, fcport);
3187
3188                 found_devs++;
3189         }
3190
3191 cleanup_allocation:
3192         kfree(new_fcport);
3193
3194         if (rval != QLA_SUCCESS) {
3195                 ql_dbg(ql_dbg_disc, vha, 0x201d,
3196                     "Configure local loop error exit: rval=%x.\n", rval);
3197         }
3198
3199         return (rval);
3200 }
3201
3202 static void
3203 qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
3204 {
3205         int rval;
3206         uint16_t mb[MAILBOX_REGISTER_COUNT];
3207         struct qla_hw_data *ha = vha->hw;
3208
3209         if (!IS_IIDMA_CAPABLE(ha))
3210                 return;
3211
3212         if (atomic_read(&fcport->state) != FCS_ONLINE)
3213                 return;
3214
3215         if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
3216             fcport->fp_speed > ha->link_data_rate)
3217                 return;
3218
3219         rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,
3220             mb);
3221         if (rval != QLA_SUCCESS) {
3222                 ql_dbg(ql_dbg_disc, vha, 0x2004,
3223                     "Unable to adjust iIDMA %8phN -- %04x %x %04x %04x.\n",
3224                     fcport->port_name, rval, fcport->fp_speed, mb[0], mb[1]);
3225         } else {
3226                 ql_dbg(ql_dbg_disc, vha, 0x2005,
3227                     "iIDMA adjusted to %s GB/s on %8phN.\n",
3228                     qla2x00_get_link_speed_str(ha, fcport->fp_speed),
3229                     fcport->port_name);
3230         }
3231 }
3232
3233 static void
3234 qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
3235 {
3236         struct fc_rport_identifiers rport_ids;
3237         struct fc_rport *rport;
3238         unsigned long flags;
3239
3240         rport_ids.node_name = wwn_to_u64(fcport->node_name);
3241         rport_ids.port_name = wwn_to_u64(fcport->port_name);
3242         rport_ids.port_id = fcport->d_id.b.domain << 16 |
3243             fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
3244         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
3245         fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids);
3246         if (!rport) {
3247                 ql_log(ql_log_warn, vha, 0x2006,
3248                     "Unable to allocate fc remote port.\n");
3249                 return;
3250         }
3251         /*
3252          * Create target mode FC NEXUS in qla_target.c if target mode is
3253          * enabled..
3254          */
3255         qlt_fc_port_added(vha, fcport);
3256
3257         spin_lock_irqsave(fcport->vha->host->host_lock, flags);
3258         *((fc_port_t **)rport->dd_data) = fcport;
3259         spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
3260
3261         rport->supported_classes = fcport->supported_classes;
3262
3263         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
3264         if (fcport->port_type == FCT_INITIATOR)
3265                 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
3266         if (fcport->port_type == FCT_TARGET)
3267                 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
3268         fc_remote_port_rolechg(rport, rport_ids.roles);
3269 }
3270
3271 /*
3272  * qla2x00_update_fcport
3273  *      Updates device on list.
3274  *
3275  * Input:
3276  *      ha = adapter block pointer.
3277  *      fcport = port structure pointer.
3278  *
3279  * Return:
3280  *      0  - Success
3281  *  BIT_0 - error
3282  *
3283  * Context:
3284  *      Kernel context.
3285  */
3286 void
3287 qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
3288 {
3289         fcport->vha = vha;
3290
3291         if (IS_QLAFX00(vha->hw)) {
3292                 qla2x00_set_fcport_state(fcport, FCS_ONLINE);
3293                 qla2x00_reg_remote_port(vha, fcport);
3294                 return;
3295         }
3296         fcport->login_retry = 0;
3297         fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
3298
3299         qla2x00_set_fcport_state(fcport, FCS_ONLINE);
3300         qla2x00_iidma_fcport(vha, fcport);
3301         qla24xx_update_fcport_fcp_prio(vha, fcport);
3302         qla2x00_reg_remote_port(vha, fcport);
3303 }
3304
3305 /*
3306  * qla2x00_configure_fabric
3307  *      Setup SNS devices with loop ID's.
3308  *
3309  * Input:
3310  *      ha = adapter block pointer.
3311  *
3312  * Returns:
3313  *      0 = success.
3314  *      BIT_0 = error
3315  */
3316 static int
3317 qla2x00_configure_fabric(scsi_qla_host_t *vha)
3318 {
3319         int     rval;
3320         fc_port_t       *fcport, *fcptemp;
3321         uint16_t        next_loopid;
3322         uint16_t        mb[MAILBOX_REGISTER_COUNT];
3323         uint16_t        loop_id;
3324         LIST_HEAD(new_fcports);
3325         struct qla_hw_data *ha = vha->hw;
3326         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
3327
3328         /* If FL port exists, then SNS is present */
3329         if (IS_FWI2_CAPABLE(ha))
3330                 loop_id = NPH_F_PORT;
3331         else
3332                 loop_id = SNS_FL_PORT;
3333         rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1);
3334         if (rval != QLA_SUCCESS) {
3335                 ql_dbg(ql_dbg_disc, vha, 0x201f,
3336                     "MBX_GET_PORT_NAME failed, No FL Port.\n");
3337
3338                 vha->device_flags &= ~SWITCH_FOUND;
3339                 return (QLA_SUCCESS);
3340         }
3341         vha->device_flags |= SWITCH_FOUND;
3342
3343         do {
3344                 /* FDMI support. */
3345                 if (ql2xfdmienable &&
3346                     test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags))
3347                         qla2x00_fdmi_register(vha);
3348
3349                 /* Ensure we are logged into the SNS. */
3350                 if (IS_FWI2_CAPABLE(ha))
3351                         loop_id = NPH_SNS;
3352                 else
3353                         loop_id = SIMPLE_NAME_SERVER;
3354                 rval = ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff,
3355                     0xfc, mb, BIT_1|BIT_0);
3356                 if (rval != QLA_SUCCESS) {
3357                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3358                         return rval;
3359                 }
3360                 if (mb[0] != MBS_COMMAND_COMPLETE) {
3361                         ql_dbg(ql_dbg_disc, vha, 0x2042,
3362                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x mb[2]=%x "
3363                             "mb[6]=%x mb[7]=%x.\n", loop_id, mb[0], mb[1],
3364                             mb[2], mb[6], mb[7]);
3365                         return (QLA_SUCCESS);
3366                 }
3367
3368                 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) {
3369                         if (qla2x00_rft_id(vha)) {
3370                                 /* EMPTY */
3371                                 ql_dbg(ql_dbg_disc, vha, 0x2045,
3372                                     "Register FC-4 TYPE failed.\n");
3373                         }
3374                         if (qla2x00_rff_id(vha)) {
3375                                 /* EMPTY */
3376                                 ql_dbg(ql_dbg_disc, vha, 0x2049,
3377                                     "Register FC-4 Features failed.\n");
3378                         }
3379                         if (qla2x00_rnn_id(vha)) {
3380                                 /* EMPTY */
3381                                 ql_dbg(ql_dbg_disc, vha, 0x204f,
3382                                     "Register Node Name failed.\n");
3383                         } else if (qla2x00_rsnn_nn(vha)) {
3384                                 /* EMPTY */
3385                                 ql_dbg(ql_dbg_disc, vha, 0x2053,
3386                                     "Register Symobilic Node Name failed.\n");
3387                         }
3388                 }
3389
3390 #define QLA_FCPORT_SCAN         1
3391 #define QLA_FCPORT_FOUND        2
3392
3393                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3394                         fcport->scan_state = QLA_FCPORT_SCAN;
3395                 }
3396
3397                 rval = qla2x00_find_all_fabric_devs(vha, &new_fcports);
3398                 if (rval != QLA_SUCCESS)
3399                         break;
3400
3401                 /*
3402                  * Logout all previous fabric devices marked lost, except
3403                  * FCP2 devices.
3404                  */
3405                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3406                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3407                                 break;
3408
3409                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
3410                                 continue;
3411
3412                         if (fcport->scan_state == QLA_FCPORT_SCAN &&
3413                             atomic_read(&fcport->state) == FCS_ONLINE) {
3414                                 qla2x00_mark_device_lost(vha, fcport,
3415                                     ql2xplogiabsentdevice, 0);
3416                                 if (fcport->loop_id != FC_NO_LOOP_ID &&
3417                                     (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
3418                                     fcport->port_type != FCT_INITIATOR &&
3419                                     fcport->port_type != FCT_BROADCAST) {
3420                                         ha->isp_ops->fabric_logout(vha,
3421                                             fcport->loop_id,
3422                                             fcport->d_id.b.domain,
3423                                             fcport->d_id.b.area,
3424                                             fcport->d_id.b.al_pa);
3425                                         qla2x00_clear_loop_id(fcport);
3426                                 }
3427                         }
3428                 }
3429
3430                 /* Starting free loop ID. */
3431                 next_loopid = ha->min_external_loopid;
3432
3433                 /*
3434                  * Scan through our port list and login entries that need to be
3435                  * logged in.
3436                  */
3437                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3438                         if (atomic_read(&vha->loop_down_timer) ||
3439                             test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3440                                 break;
3441
3442                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
3443                             (fcport->flags & FCF_LOGIN_NEEDED) == 0)
3444                                 continue;
3445
3446                         if (fcport->loop_id == FC_NO_LOOP_ID) {
3447                                 fcport->loop_id = next_loopid;
3448                                 rval = qla2x00_find_new_loop_id(
3449                                     base_vha, fcport);
3450                                 if (rval != QLA_SUCCESS) {
3451                                         /* Ran out of IDs to use */
3452                                         break;
3453                                 }
3454                         }
3455                         /* Login and update database */
3456                         qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
3457                 }
3458
3459                 /* Exit if out of loop IDs. */
3460                 if (rval != QLA_SUCCESS) {
3461                         break;
3462                 }
3463
3464                 /*
3465                  * Login and add the new devices to our port list.
3466                  */
3467                 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
3468                         if (atomic_read(&vha->loop_down_timer) ||
3469                             test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3470                                 break;
3471
3472                         /* Find a new loop ID to use. */
3473                         fcport->loop_id = next_loopid;
3474                         rval = qla2x00_find_new_loop_id(base_vha, fcport);
3475                         if (rval != QLA_SUCCESS) {
3476                                 /* Ran out of IDs to use */
3477                                 break;
3478                         }
3479
3480                         /* Login and update database */
3481                         qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
3482
3483                         list_move_tail(&fcport->list, &vha->vp_fcports);
3484                 }
3485         } while (0);
3486
3487         /* Free all new device structures not processed. */
3488         list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
3489                 list_del(&fcport->list);
3490                 kfree(fcport);
3491         }
3492
3493         if (rval) {
3494                 ql_dbg(ql_dbg_disc, vha, 0x2068,
3495                     "Configure fabric error exit rval=%d.\n", rval);
3496         }
3497
3498         return (rval);
3499 }
3500
3501 /*
3502  * qla2x00_find_all_fabric_devs
3503  *
3504  * Input:
3505  *      ha = adapter block pointer.
3506  *      dev = database device entry pointer.
3507  *
3508  * Returns:
3509  *      0 = success.
3510  *
3511  * Context:
3512  *      Kernel context.
3513  */
3514 static int
3515 qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha,
3516         struct list_head *new_fcports)
3517 {
3518         int             rval;
3519         uint16_t        loop_id;
3520         fc_port_t       *fcport, *new_fcport, *fcptemp;
3521         int             found;
3522
3523         sw_info_t       *swl;
3524         int             swl_idx;
3525         int             first_dev, last_dev;
3526         port_id_t       wrap = {}, nxt_d_id;
3527         struct qla_hw_data *ha = vha->hw;
3528         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
3529
3530         rval = QLA_SUCCESS;
3531
3532         /* Try GID_PT to get device list, else GAN. */
3533         if (!ha->swl)
3534                 ha->swl = kcalloc(ha->max_fibre_devices, sizeof(sw_info_t),
3535                     GFP_KERNEL);
3536         swl = ha->swl;
3537         if (!swl) {
3538                 /*EMPTY*/
3539                 ql_dbg(ql_dbg_disc, vha, 0x2054,
3540                     "GID_PT allocations failed, fallback on GA_NXT.\n");
3541         } else {
3542                 memset(swl, 0, ha->max_fibre_devices * sizeof(sw_info_t));
3543                 if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) {
3544                         swl = NULL;
3545                 } else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) {
3546                         swl = NULL;
3547                 } else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) {
3548                         swl = NULL;
3549                 } else if (ql2xiidmaenable &&
3550                     qla2x00_gfpn_id(vha, swl) == QLA_SUCCESS) {
3551                         qla2x00_gpsc(vha, swl);
3552                 }
3553
3554                 /* If other queries succeeded probe for FC-4 type */
3555                 if (swl)
3556                         qla2x00_gff_id(vha, swl);
3557         }
3558         swl_idx = 0;
3559
3560         /* Allocate temporary fcport for any new fcports discovered. */
3561         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3562         if (new_fcport == NULL) {
3563                 ql_log(ql_log_warn, vha, 0x205e,
3564                     "Failed to allocate memory for fcport.\n");
3565                 return (QLA_MEMORY_ALLOC_FAILED);
3566         }
3567         new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
3568         /* Set start port ID scan at adapter ID. */
3569         first_dev = 1;
3570         last_dev = 0;
3571
3572         /* Starting free loop ID. */
3573         loop_id = ha->min_external_loopid;
3574         for (; loop_id <= ha->max_loop_id; loop_id++) {
3575                 if (qla2x00_is_reserved_id(vha, loop_id))
3576                         continue;
3577
3578                 if (ha->current_topology == ISP_CFG_FL &&
3579                     (atomic_read(&vha->loop_down_timer) ||
3580                      LOOP_TRANSITION(vha))) {
3581                         atomic_set(&vha->loop_down_timer, 0);
3582                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3583                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
3584                         break;
3585                 }
3586
3587                 if (swl != NULL) {
3588                         if (last_dev) {
3589                                 wrap.b24 = new_fcport->d_id.b24;
3590                         } else {
3591                                 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
3592                                 memcpy(new_fcport->node_name,
3593                                     swl[swl_idx].node_name, WWN_SIZE);
3594                                 memcpy(new_fcport->port_name,
3595                                     swl[swl_idx].port_name, WWN_SIZE);
3596                                 memcpy(new_fcport->fabric_port_name,
3597                                     swl[swl_idx].fabric_port_name, WWN_SIZE);
3598                                 new_fcport->fp_speed = swl[swl_idx].fp_speed;
3599                                 new_fcport->fc4_type = swl[swl_idx].fc4_type;
3600
3601                                 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
3602                                         last_dev = 1;
3603                                 }
3604                                 swl_idx++;
3605                         }
3606                 } else {
3607                         /* Send GA_NXT to the switch */
3608                         rval = qla2x00_ga_nxt(vha, new_fcport);
3609                         if (rval != QLA_SUCCESS) {
3610                                 ql_log(ql_log_warn, vha, 0x2064,
3611                                     "SNS scan failed -- assuming "
3612                                     "zero-entry result.\n");
3613                                 list_for_each_entry_safe(fcport, fcptemp,
3614                                     new_fcports, list) {
3615                                         list_del(&fcport->list);
3616                                         kfree(fcport);
3617                                 }
3618                                 rval = QLA_SUCCESS;
3619                                 break;
3620                         }
3621                 }
3622
3623                 /* If wrap on switch device list, exit. */
3624                 if (first_dev) {
3625                         wrap.b24 = new_fcport->d_id.b24;
3626                         first_dev = 0;
3627                 } else if (new_fcport->d_id.b24 == wrap.b24) {
3628                         ql_dbg(ql_dbg_disc, vha, 0x2065,
3629                             "Device wrap (%02x%02x%02x).\n",
3630                             new_fcport->d_id.b.domain,
3631                             new_fcport->d_id.b.area,
3632                             new_fcport->d_id.b.al_pa);
3633                         break;
3634                 }
3635
3636                 /* Bypass if same physical adapter. */
3637                 if (new_fcport->d_id.b24 == base_vha->d_id.b24)
3638                         continue;
3639
3640                 /* Bypass virtual ports of the same host. */
3641                 if (qla2x00_is_a_vp_did(vha, new_fcport->d_id.b24))
3642                         continue;
3643
3644                 /* Bypass if same domain and area of adapter. */
3645                 if (((new_fcport->d_id.b24 & 0xffff00) ==
3646                     (vha->d_id.b24 & 0xffff00)) && ha->current_topology ==
3647                         ISP_CFG_FL)
3648                             continue;
3649
3650                 /* Bypass reserved domain fields. */
3651                 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
3652                         continue;
3653
3654                 /* Bypass ports whose FCP-4 type is not FCP_SCSI */
3655                 if (ql2xgffidenable &&
3656                     (new_fcport->fc4_type != FC4_TYPE_FCP_SCSI &&
3657                     new_fcport->fc4_type != FC4_TYPE_UNKNOWN))
3658                         continue;
3659
3660                 /* Locate matching device in database. */
3661                 found = 0;
3662                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3663                         if (memcmp(new_fcport->port_name, fcport->port_name,
3664                             WWN_SIZE))
3665                                 continue;
3666
3667                         fcport->scan_state = QLA_FCPORT_FOUND;
3668
3669                         found++;
3670
3671                         /* Update port state. */
3672                         memcpy(fcport->fabric_port_name,
3673                             new_fcport->fabric_port_name, WWN_SIZE);
3674                         fcport->fp_speed = new_fcport->fp_speed;
3675
3676                         /*
3677                          * If address the same and state FCS_ONLINE, nothing
3678                          * changed.
3679                          */
3680                         if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
3681                             atomic_read(&fcport->state) == FCS_ONLINE) {
3682                                 break;
3683                         }
3684
3685                         /*
3686                          * If device was not a fabric device before.
3687                          */
3688                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
3689                                 fcport->d_id.b24 = new_fcport->d_id.b24;
3690                                 qla2x00_clear_loop_id(fcport);
3691                                 fcport->flags |= (FCF_FABRIC_DEVICE |
3692                                     FCF_LOGIN_NEEDED);
3693                                 break;
3694                         }
3695
3696                         /*
3697                          * Port ID changed or device was marked to be updated;
3698                          * Log it out if still logged in and mark it for
3699                          * relogin later.
3700                          */
3701                         fcport->d_id.b24 = new_fcport->d_id.b24;
3702                         fcport->flags |= FCF_LOGIN_NEEDED;
3703                         if (fcport->loop_id != FC_NO_LOOP_ID &&
3704                             (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
3705                             (fcport->flags & FCF_ASYNC_SENT) == 0 &&
3706                             fcport->port_type != FCT_INITIATOR &&
3707                             fcport->port_type != FCT_BROADCAST) {
3708                                 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3709                                     fcport->d_id.b.domain, fcport->d_id.b.area,
3710                                     fcport->d_id.b.al_pa);
3711                                 qla2x00_clear_loop_id(fcport);
3712                         }
3713
3714                         break;
3715                 }
3716
3717                 if (found)
3718                         continue;
3719                 /* If device was not in our fcports list, then add it. */
3720                 list_add_tail(&new_fcport->list, new_fcports);
3721
3722                 /* Allocate a new replacement fcport. */
3723                 nxt_d_id.b24 = new_fcport->d_id.b24;
3724                 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3725                 if (new_fcport == NULL) {
3726                         ql_log(ql_log_warn, vha, 0x2066,
3727                             "Memory allocation failed for fcport.\n");
3728                         return (QLA_MEMORY_ALLOC_FAILED);
3729                 }
3730                 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
3731                 new_fcport->d_id.b24 = nxt_d_id.b24;
3732         }
3733
3734         kfree(new_fcport);
3735
3736         return (rval);
3737 }
3738
3739 /*
3740  * qla2x00_find_new_loop_id
3741  *      Scan through our port list and find a new usable loop ID.
3742  *
3743  * Input:
3744  *      ha:     adapter state pointer.
3745  *      dev:    port structure pointer.
3746  *
3747  * Returns:
3748  *      qla2x00 local function return status code.
3749  *
3750  * Context:
3751  *      Kernel context.
3752  */
3753 int
3754 qla2x00_find_new_loop_id(scsi_qla_host_t *vha, fc_port_t *dev)
3755 {
3756         int     rval;
3757         struct qla_hw_data *ha = vha->hw;
3758         unsigned long flags = 0;
3759
3760         rval = QLA_SUCCESS;
3761
3762         spin_lock_irqsave(&ha->vport_slock, flags);
3763
3764         dev->loop_id = find_first_zero_bit(ha->loop_id_map,
3765             LOOPID_MAP_SIZE);
3766         if (dev->loop_id >= LOOPID_MAP_SIZE ||
3767             qla2x00_is_reserved_id(vha, dev->loop_id)) {
3768                 dev->loop_id = FC_NO_LOOP_ID;
3769                 rval = QLA_FUNCTION_FAILED;
3770         } else
3771                 set_bit(dev->loop_id, ha->loop_id_map);
3772
3773         spin_unlock_irqrestore(&ha->vport_slock, flags);
3774
3775         if (rval == QLA_SUCCESS)
3776                 ql_dbg(ql_dbg_disc, dev->vha, 0x2086,
3777                     "Assigning new loopid=%x, portid=%x.\n",
3778                     dev->loop_id, dev->d_id.b24);
3779         else
3780                 ql_log(ql_log_warn, dev->vha, 0x2087,
3781                     "No loop_id's available, portid=%x.\n",
3782                     dev->d_id.b24);
3783
3784         return (rval);
3785 }
3786
3787 /*
3788  * qla2x00_fabric_dev_login
3789  *      Login fabric target device and update FC port database.
3790  *
3791  * Input:
3792  *      ha:             adapter state pointer.
3793  *      fcport:         port structure list pointer.
3794  *      next_loopid:    contains value of a new loop ID that can be used
3795  *                      by the next login attempt.
3796  *
3797  * Returns:
3798  *      qla2x00 local function return status code.
3799  *
3800  * Context:
3801  *      Kernel context.
3802  */
3803 static int
3804 qla2x00_fabric_dev_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3805     uint16_t *next_loopid)
3806 {
3807         int     rval;
3808         int     retry;
3809         uint8_t opts;
3810         struct qla_hw_data *ha = vha->hw;
3811
3812         rval = QLA_SUCCESS;
3813         retry = 0;
3814
3815         if (IS_ALOGIO_CAPABLE(ha)) {
3816                 if (fcport->flags & FCF_ASYNC_SENT)
3817                         return rval;
3818                 fcport->flags |= FCF_ASYNC_SENT;
3819                 rval = qla2x00_post_async_login_work(vha, fcport, NULL);
3820                 if (!rval)
3821                         return rval;
3822         }
3823
3824         fcport->flags &= ~FCF_ASYNC_SENT;
3825         rval = qla2x00_fabric_login(vha, fcport, next_loopid);
3826         if (rval == QLA_SUCCESS) {
3827                 /* Send an ADISC to FCP2 devices.*/
3828                 opts = 0;
3829                 if (fcport->flags & FCF_FCP2_DEVICE)
3830                         opts |= BIT_1;
3831                 rval = qla2x00_get_port_database(vha, fcport, opts);
3832                 if (rval != QLA_SUCCESS) {
3833                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3834                             fcport->d_id.b.domain, fcport->d_id.b.area,
3835                             fcport->d_id.b.al_pa);
3836                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
3837                 } else {
3838                         qla2x00_update_fcport(vha, fcport);
3839                 }
3840         } else {
3841                 /* Retry Login. */
3842                 qla2x00_mark_device_lost(vha, fcport, 1, 0);
3843         }
3844
3845         return (rval);
3846 }
3847
3848 /*
3849  * qla2x00_fabric_login
3850  *      Issue fabric login command.
3851  *
3852  * Input:
3853  *      ha = adapter block pointer.
3854  *      device = pointer to FC device type structure.
3855  *
3856  * Returns:
3857  *      0 - Login successfully
3858  *      1 - Login failed
3859  *      2 - Initiator device
3860  *      3 - Fatal error
3861  */
3862 int
3863 qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport,
3864     uint16_t *next_loopid)
3865 {
3866         int     rval;
3867         int     retry;
3868         uint16_t tmp_loopid;
3869         uint16_t mb[MAILBOX_REGISTER_COUNT];
3870         struct qla_hw_data *ha = vha->hw;
3871
3872         retry = 0;
3873         tmp_loopid = 0;
3874
3875         for (;;) {
3876                 ql_dbg(ql_dbg_disc, vha, 0x2000,
3877                     "Trying Fabric Login w/loop id 0x%04x for port "
3878                     "%02x%02x%02x.\n",
3879                     fcport->loop_id, fcport->d_id.b.domain,
3880                     fcport->d_id.b.area, fcport->d_id.b.al_pa);
3881
3882                 /* Login fcport on switch. */
3883                 rval = ha->isp_ops->fabric_login(vha, fcport->loop_id,
3884                     fcport->d_id.b.domain, fcport->d_id.b.area,
3885                     fcport->d_id.b.al_pa, mb, BIT_0);
3886                 if (rval != QLA_SUCCESS) {
3887                         return rval;
3888                 }
3889                 if (mb[0] == MBS_PORT_ID_USED) {
3890                         /*
3891                          * Device has another loop ID.  The firmware team
3892                          * recommends the driver perform an implicit login with
3893                          * the specified ID again. The ID we just used is save
3894                          * here so we return with an ID that can be tried by
3895                          * the next login.
3896                          */
3897                         retry++;
3898                         tmp_loopid = fcport->loop_id;
3899                         fcport->loop_id = mb[1];
3900
3901                         ql_dbg(ql_dbg_disc, vha, 0x2001,
3902                             "Fabric Login: port in use - next loop "
3903                             "id=0x%04x, port id= %02x%02x%02x.\n",
3904                             fcport->loop_id, fcport->d_id.b.domain,
3905                             fcport->d_id.b.area, fcport->d_id.b.al_pa);
3906
3907                 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
3908                         /*
3909                          * Login succeeded.
3910                          */
3911                         if (retry) {
3912                                 /* A retry occurred before. */
3913                                 *next_loopid = tmp_loopid;
3914                         } else {
3915                                 /*
3916                                  * No retry occurred before. Just increment the
3917                                  * ID value for next login.
3918                                  */
3919                                 *next_loopid = (fcport->loop_id + 1);
3920                         }
3921
3922                         if (mb[1] & BIT_0) {
3923                                 fcport->port_type = FCT_INITIATOR;
3924                         } else {
3925                                 fcport->port_type = FCT_TARGET;
3926                                 if (mb[1] & BIT_1) {
3927                                         fcport->flags |= FCF_FCP2_DEVICE;
3928                                 }
3929                         }
3930
3931                         if (mb[10] & BIT_0)
3932                                 fcport->supported_classes |= FC_COS_CLASS2;
3933                         if (mb[10] & BIT_1)
3934                                 fcport->supported_classes |= FC_COS_CLASS3;
3935
3936                         if (IS_FWI2_CAPABLE(ha)) {
3937                                 if (mb[10] & BIT_7)
3938                                         fcport->flags |=
3939                                             FCF_CONF_COMP_SUPPORTED;
3940                         }
3941
3942                         rval = QLA_SUCCESS;
3943                         break;
3944                 } else if (mb[0] == MBS_LOOP_ID_USED) {
3945                         /*
3946                          * Loop ID already used, try next loop ID.
3947                          */
3948                         fcport->loop_id++;
3949                         rval = qla2x00_find_new_loop_id(vha, fcport);
3950                         if (rval != QLA_SUCCESS) {
3951                                 /* Ran out of loop IDs to use */
3952                                 break;
3953                         }
3954                 } else if (mb[0] == MBS_COMMAND_ERROR) {
3955                         /*
3956                          * Firmware possibly timed out during login. If NO
3957                          * retries are left to do then the device is declared
3958                          * dead.
3959                          */
3960                         *next_loopid = fcport->loop_id;
3961                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3962                             fcport->d_id.b.domain, fcport->d_id.b.area,
3963                             fcport->d_id.b.al_pa);
3964                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
3965
3966                         rval = 1;
3967                         break;
3968                 } else {
3969                         /*
3970                          * unrecoverable / not handled error
3971                          */
3972                         ql_dbg(ql_dbg_disc, vha, 0x2002,
3973                             "Failed=%x port_id=%02x%02x%02x loop_id=%x "
3974                             "jiffies=%lx.\n", mb[0], fcport->d_id.b.domain,
3975                             fcport->d_id.b.area, fcport->d_id.b.al_pa,
3976                             fcport->loop_id, jiffies);
3977
3978                         *next_loopid = fcport->loop_id;
3979                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3980                             fcport->d_id.b.domain, fcport->d_id.b.area,
3981                             fcport->d_id.b.al_pa);
3982                         qla2x00_clear_loop_id(fcport);
3983                         fcport->login_retry = 0;
3984
3985                         rval = 3;
3986                         break;
3987                 }
3988         }
3989
3990         return (rval);
3991 }
3992
3993 /*
3994  * qla2x00_local_device_login
3995  *      Issue local device login command.
3996  *
3997  * Input:
3998  *      ha = adapter block pointer.
3999  *      loop_id = loop id of device to login to.
4000  *
4001  * Returns (Where's the #define!!!!):
4002  *      0 - Login successfully
4003  *      1 - Login failed
4004  *      3 - Fatal error
4005  */
4006 int
4007 qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport)
4008 {
4009         int             rval;
4010         uint16_t        mb[MAILBOX_REGISTER_COUNT];
4011
4012         memset(mb, 0, sizeof(mb));
4013         rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0);
4014         if (rval == QLA_SUCCESS) {
4015                 /* Interrogate mailbox registers for any errors */
4016                 if (mb[0] == MBS_COMMAND_ERROR)
4017                         rval = 1;
4018                 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
4019                         /* device not in PCB table */
4020                         rval = 3;
4021         }
4022
4023         return (rval);
4024 }
4025
4026 /*
4027  *  qla2x00_loop_resync
4028  *      Resync with fibre channel devices.
4029  *
4030  * Input:
4031  *      ha = adapter block pointer.
4032  *
4033  * Returns:
4034  *      0 = success
4035  */
4036 int
4037 qla2x00_loop_resync(scsi_qla_host_t *vha)
4038 {
4039         int rval = QLA_SUCCESS;
4040         uint32_t wait_time;
4041         struct req_que *req;
4042         struct rsp_que *rsp;
4043
4044         if (vha->hw->flags.cpu_affinity_enabled)
4045                 req = vha->hw->req_q_map[0];
4046         else
4047                 req = vha->req;
4048         rsp = req->rsp;
4049
4050         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4051         if (vha->flags.online) {
4052                 if (!(rval = qla2x00_fw_ready(vha))) {
4053                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
4054                         wait_time = 256;
4055                         do {
4056                                 if (!IS_QLAFX00(vha->hw)) {
4057                                         /*
4058                                          * Issue a marker after FW becomes
4059                                          * ready.
4060                                          */
4061                                         qla2x00_marker(vha, req, rsp, 0, 0,
4062                                                 MK_SYNC_ALL);
4063                                         vha->marker_needed = 0;
4064                                 }
4065
4066                                 /* Remap devices on Loop. */
4067                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4068
4069                                 if (IS_QLAFX00(vha->hw))
4070                                         qlafx00_configure_devices(vha);
4071                                 else
4072                                         qla2x00_configure_loop(vha);
4073
4074                                 wait_time--;
4075                         } while (!atomic_read(&vha->loop_down_timer) &&
4076                                 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
4077                                 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
4078                                 &vha->dpc_flags)));
4079                 }
4080         }
4081
4082         if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
4083                 return (QLA_FUNCTION_FAILED);
4084
4085         if (rval)
4086                 ql_dbg(ql_dbg_disc, vha, 0x206c,
4087                     "%s *** FAILED ***.\n", __func__);
4088
4089         return (rval);
4090 }
4091
4092 /*
4093 * qla2x00_perform_loop_resync
4094 * Description: This function will set the appropriate flags and call
4095 *              qla2x00_loop_resync. If successful loop will be resynced
4096 * Arguments : scsi_qla_host_t pointer
4097 * returm    : Success or Failure
4098 */
4099
4100 int qla2x00_perform_loop_resync(scsi_qla_host_t *ha)
4101 {
4102         int32_t rval = 0;
4103
4104         if (!test_and_set_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags)) {
4105                 /*Configure the flags so that resync happens properly*/
4106                 atomic_set(&ha->loop_down_timer, 0);
4107                 if (!(ha->device_flags & DFLG_NO_CABLE)) {
4108                         atomic_set(&ha->loop_state, LOOP_UP);
4109                         set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
4110                         set_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags);
4111                         set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
4112
4113                         rval = qla2x00_loop_resync(ha);
4114                 } else
4115                         atomic_set(&ha->loop_state, LOOP_DEAD);
4116
4117                 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
4118         }
4119
4120         return rval;
4121 }
4122
4123 void
4124 qla2x00_update_fcports(scsi_qla_host_t *base_vha)
4125 {
4126         fc_port_t *fcport;
4127         struct scsi_qla_host *vha;
4128         struct qla_hw_data *ha = base_vha->hw;
4129         unsigned long flags;
4130
4131         spin_lock_irqsave(&ha->vport_slock, flags);
4132         /* Go with deferred removal of rport references. */
4133         list_for_each_entry(vha, &base_vha->hw->vp_list, list) {
4134                 atomic_inc(&vha->vref_count);
4135                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
4136                         if (fcport->drport &&
4137                             atomic_read(&fcport->state) != FCS_UNCONFIGURED) {
4138                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4139                                 qla2x00_rport_del(fcport);
4140                                 spin_lock_irqsave(&ha->vport_slock, flags);
4141                         }
4142                 }
4143                 atomic_dec(&vha->vref_count);
4144         }
4145         spin_unlock_irqrestore(&ha->vport_slock, flags);
4146 }
4147
4148 /* Assumes idc_lock always held on entry */
4149 void
4150 qla83xx_reset_ownership(scsi_qla_host_t *vha)
4151 {
4152         struct qla_hw_data *ha = vha->hw;
4153         uint32_t drv_presence, drv_presence_mask;
4154         uint32_t dev_part_info1, dev_part_info2, class_type;
4155         uint32_t class_type_mask = 0x3;
4156         uint16_t fcoe_other_function = 0xffff, i;
4157
4158         if (IS_QLA8044(ha)) {
4159                 drv_presence = qla8044_rd_direct(vha,
4160                     QLA8044_CRB_DRV_ACTIVE_INDEX);
4161                 dev_part_info1 = qla8044_rd_direct(vha,
4162                     QLA8044_CRB_DEV_PART_INFO_INDEX);
4163                 dev_part_info2 = qla8044_rd_direct(vha,
4164                     QLA8044_CRB_DEV_PART_INFO2);
4165         } else {
4166                 qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
4167                 qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO1, &dev_part_info1);
4168                 qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO2, &dev_part_info2);
4169         }
4170         for (i = 0; i < 8; i++) {
4171                 class_type = ((dev_part_info1 >> (i * 4)) & class_type_mask);
4172                 if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
4173                     (i != ha->portnum)) {
4174                         fcoe_other_function = i;
4175                         break;
4176                 }
4177         }
4178         if (fcoe_other_function == 0xffff) {
4179                 for (i = 0; i < 8; i++) {
4180                         class_type = ((dev_part_info2 >> (i * 4)) &
4181                             class_type_mask);
4182                         if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
4183                             ((i + 8) != ha->portnum)) {
4184                                 fcoe_other_function = i + 8;
4185                                 break;
4186                         }
4187                 }
4188         }
4189         /*
4190          * Prepare drv-presence mask based on fcoe functions present.
4191          * However consider only valid physical fcoe function numbers (0-15).
4192          */
4193         drv_presence_mask = ~((1 << (ha->portnum)) |
4194                         ((fcoe_other_function == 0xffff) ?
4195                          0 : (1 << (fcoe_other_function))));
4196
4197         /* We are the reset owner iff:
4198          *    - No other protocol drivers present.
4199          *    - This is the lowest among fcoe functions. */
4200         if (!(drv_presence & drv_presence_mask) &&
4201                         (ha->portnum < fcoe_other_function)) {
4202                 ql_dbg(ql_dbg_p3p, vha, 0xb07f,
4203                     "This host is Reset owner.\n");
4204                 ha->flags.nic_core_reset_owner = 1;
4205         }
4206 }
4207
4208 static int
4209 __qla83xx_set_drv_ack(scsi_qla_host_t *vha)
4210 {
4211         int rval = QLA_SUCCESS;
4212         struct qla_hw_data *ha = vha->hw;
4213         uint32_t drv_ack;
4214
4215         rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
4216         if (rval == QLA_SUCCESS) {
4217                 drv_ack |= (1 << ha->portnum);
4218                 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
4219         }
4220
4221         return rval;
4222 }
4223
4224 static int
4225 __qla83xx_clear_drv_ack(scsi_qla_host_t *vha)
4226 {
4227         int rval = QLA_SUCCESS;
4228         struct qla_hw_data *ha = vha->hw;
4229         uint32_t drv_ack;
4230
4231         rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
4232         if (rval == QLA_SUCCESS) {
4233                 drv_ack &= ~(1 << ha->portnum);
4234                 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
4235         }
4236
4237         return rval;
4238 }
4239
4240 static const char *
4241 qla83xx_dev_state_to_string(uint32_t dev_state)
4242 {
4243         switch (dev_state) {
4244         case QLA8XXX_DEV_COLD:
4245                 return "COLD/RE-INIT";
4246         case QLA8XXX_DEV_INITIALIZING:
4247                 return "INITIALIZING";
4248         case QLA8XXX_DEV_READY:
4249                 return "READY";
4250         case QLA8XXX_DEV_NEED_RESET:
4251                 return "NEED RESET";
4252         case QLA8XXX_DEV_NEED_QUIESCENT:
4253                 return "NEED QUIESCENT";
4254         case QLA8XXX_DEV_FAILED:
4255                 return "FAILED";
4256         case QLA8XXX_DEV_QUIESCENT:
4257                 return "QUIESCENT";
4258         default:
4259                 return "Unknown";
4260         }
4261 }
4262
4263 /* Assumes idc-lock always held on entry */
4264 void
4265 qla83xx_idc_audit(scsi_qla_host_t *vha, int audit_type)
4266 {
4267         struct qla_hw_data *ha = vha->hw;
4268         uint32_t idc_audit_reg = 0, duration_secs = 0;
4269
4270         switch (audit_type) {
4271         case IDC_AUDIT_TIMESTAMP:
4272                 ha->idc_audit_ts = (jiffies_to_msecs(jiffies) / 1000);
4273                 idc_audit_reg = (ha->portnum) |
4274                     (IDC_AUDIT_TIMESTAMP << 7) | (ha->idc_audit_ts << 8);
4275                 qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
4276                 break;
4277
4278         case IDC_AUDIT_COMPLETION:
4279                 duration_secs = ((jiffies_to_msecs(jiffies) -
4280                     jiffies_to_msecs(ha->idc_audit_ts)) / 1000);
4281                 idc_audit_reg = (ha->portnum) |
4282                     (IDC_AUDIT_COMPLETION << 7) | (duration_secs << 8);
4283                 qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
4284                 break;
4285
4286         default:
4287                 ql_log(ql_log_warn, vha, 0xb078,
4288                     "Invalid audit type specified.\n");
4289                 break;
4290         }
4291 }
4292
4293 /* Assumes idc_lock always held on entry */
4294 static int
4295 qla83xx_initiating_reset(scsi_qla_host_t *vha)
4296 {
4297         struct qla_hw_data *ha = vha->hw;
4298         uint32_t  idc_control, dev_state;
4299
4300         __qla83xx_get_idc_control(vha, &idc_control);
4301         if ((idc_control & QLA83XX_IDC_RESET_DISABLED)) {
4302                 ql_log(ql_log_info, vha, 0xb080,
4303                     "NIC Core reset has been disabled. idc-control=0x%x\n",
4304                     idc_control);
4305                 return QLA_FUNCTION_FAILED;
4306         }
4307
4308         /* Set NEED-RESET iff in READY state and we are the reset-owner */
4309         qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
4310         if (ha->flags.nic_core_reset_owner && dev_state == QLA8XXX_DEV_READY) {
4311                 qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
4312                     QLA8XXX_DEV_NEED_RESET);
4313                 ql_log(ql_log_info, vha, 0xb056, "HW State: NEED RESET.\n");
4314                 qla83xx_idc_audit(vha, IDC_AUDIT_TIMESTAMP);
4315         } else {
4316                 const char *state = qla83xx_dev_state_to_string(dev_state);
4317                 ql_log(ql_log_info, vha, 0xb057, "HW State: %s.\n", state);
4318
4319                 /* SV: XXX: Is timeout required here? */
4320                 /* Wait for IDC state change READY -> NEED_RESET */
4321                 while (dev_state == QLA8XXX_DEV_READY) {
4322                         qla83xx_idc_unlock(vha, 0);
4323                         msleep(200);
4324                         qla83xx_idc_lock(vha, 0);
4325                         qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
4326                 }
4327         }
4328
4329         /* Send IDC ack by writing to drv-ack register */
4330         __qla83xx_set_drv_ack(vha);
4331
4332         return QLA_SUCCESS;
4333 }
4334
4335 int
4336 __qla83xx_set_idc_control(scsi_qla_host_t *vha, uint32_t idc_control)
4337 {
4338         return qla83xx_wr_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
4339 }
4340
4341 int
4342 __qla83xx_get_idc_control(scsi_qla_host_t *vha, uint32_t *idc_control)
4343 {
4344         return qla83xx_rd_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
4345 }
4346
4347 static int
4348 qla83xx_check_driver_presence(scsi_qla_host_t *vha)
4349 {
4350         uint32_t drv_presence = 0;
4351         struct qla_hw_data *ha = vha->hw;
4352
4353         qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
4354         if (drv_presence & (1 << ha->portnum))
4355                 return QLA_SUCCESS;
4356         else
4357                 return QLA_TEST_FAILED;
4358 }
4359
4360 int
4361 qla83xx_nic_core_reset(scsi_qla_host_t *vha)
4362 {
4363         int rval = QLA_SUCCESS;
4364         struct qla_hw_data *ha = vha->hw;
4365
4366         ql_dbg(ql_dbg_p3p, vha, 0xb058,
4367             "Entered  %s().\n", __func__);
4368
4369         if (vha->device_flags & DFLG_DEV_FAILED) {
4370                 ql_log(ql_log_warn, vha, 0xb059,
4371                     "Device in unrecoverable FAILED state.\n");
4372                 return QLA_FUNCTION_FAILED;
4373         }
4374
4375         qla83xx_idc_lock(vha, 0);
4376
4377         if (qla83xx_check_driver_presence(vha) != QLA_SUCCESS) {
4378                 ql_log(ql_log_warn, vha, 0xb05a,
4379                     "Function=0x%x has been removed from IDC participation.\n",
4380                     ha->portnum);
4381                 rval = QLA_FUNCTION_FAILED;
4382                 goto exit;
4383         }
4384
4385         qla83xx_reset_ownership(vha);
4386
4387         rval = qla83xx_initiating_reset(vha);
4388
4389         /*
4390          * Perform reset if we are the reset-owner,
4391          * else wait till IDC state changes to READY/FAILED.
4392          */
4393         if (rval == QLA_SUCCESS) {
4394                 rval = qla83xx_idc_state_handler(vha);
4395
4396                 if (rval == QLA_SUCCESS)
4397                         ha->flags.nic_core_hung = 0;
4398                 __qla83xx_clear_drv_ack(vha);
4399         }
4400
4401 exit:
4402         qla83xx_idc_unlock(vha, 0);
4403
4404         ql_dbg(ql_dbg_p3p, vha, 0xb05b, "Exiting %s.\n", __func__);
4405
4406         return rval;
4407 }
4408
4409 int
4410 qla2xxx_mctp_dump(scsi_qla_host_t *vha)
4411 {
4412         struct qla_hw_data *ha = vha->hw;
4413         int rval = QLA_FUNCTION_FAILED;
4414
4415         if (!IS_MCTP_CAPABLE(ha)) {
4416                 /* This message can be removed from the final version */
4417                 ql_log(ql_log_info, vha, 0x506d,
4418                     "This board is not MCTP capable\n");
4419                 return rval;
4420         }
4421
4422         if (!ha->mctp_dump) {
4423                 ha->mctp_dump = dma_alloc_coherent(&ha->pdev->dev,
4424                     MCTP_DUMP_SIZE, &ha->mctp_dump_dma, GFP_KERNEL);
4425
4426                 if (!ha->mctp_dump) {
4427                         ql_log(ql_log_warn, vha, 0x506e,
4428                             "Failed to allocate memory for mctp dump\n");
4429                         return rval;
4430                 }
4431         }
4432
4433 #define MCTP_DUMP_STR_ADDR      0x00000000
4434         rval = qla2x00_dump_mctp_data(vha, ha->mctp_dump_dma,
4435             MCTP_DUMP_STR_ADDR, MCTP_DUMP_SIZE/4);
4436         if (rval != QLA_SUCCESS) {
4437                 ql_log(ql_log_warn, vha, 0x506f,
4438                     "Failed to capture mctp dump\n");
4439         } else {
4440                 ql_log(ql_log_info, vha, 0x5070,
4441                     "Mctp dump capture for host (%ld/%p).\n",
4442                     vha->host_no, ha->mctp_dump);
4443                 ha->mctp_dumped = 1;
4444         }
4445
4446         if (!ha->flags.nic_core_reset_hdlr_active && !ha->portnum) {
4447                 ha->flags.nic_core_reset_hdlr_active = 1;
4448                 rval = qla83xx_restart_nic_firmware(vha);
4449                 if (rval)
4450                         /* NIC Core reset failed. */
4451                         ql_log(ql_log_warn, vha, 0x5071,
4452                             "Failed to restart nic firmware\n");
4453                 else
4454                         ql_dbg(ql_dbg_p3p, vha, 0xb084,
4455                             "Restarted NIC firmware successfully.\n");
4456                 ha->flags.nic_core_reset_hdlr_active = 0;
4457         }
4458
4459         return rval;
4460
4461 }
4462
4463 /*
4464 * qla2x00_quiesce_io
4465 * Description: This function will block the new I/Os
4466 *              Its not aborting any I/Os as context
4467 *              is not destroyed during quiescence
4468 * Arguments: scsi_qla_host_t
4469 * return   : void
4470 */
4471 void
4472 qla2x00_quiesce_io(scsi_qla_host_t *vha)
4473 {
4474         struct qla_hw_data *ha = vha->hw;
4475         struct scsi_qla_host *vp;
4476
4477         ql_dbg(ql_dbg_dpc, vha, 0x401d,
4478             "Quiescing I/O - ha=%p.\n", ha);
4479
4480         atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
4481         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
4482                 atomic_set(&vha->loop_state, LOOP_DOWN);
4483                 qla2x00_mark_all_devices_lost(vha, 0);
4484                 list_for_each_entry(vp, &ha->vp_list, list)
4485                         qla2x00_mark_all_devices_lost(vp, 0);
4486         } else {
4487                 if (!atomic_read(&vha->loop_down_timer))
4488                         atomic_set(&vha->loop_down_timer,
4489                                         LOOP_DOWN_TIME);
4490         }
4491         /* Wait for pending cmds to complete */
4492         qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST);
4493 }
4494
4495 void
4496 qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha)
4497 {
4498         struct qla_hw_data *ha = vha->hw;
4499         struct scsi_qla_host *vp;
4500         unsigned long flags;
4501         fc_port_t *fcport;
4502
4503         /* For ISP82XX, driver waits for completion of the commands.
4504          * online flag should be set.
4505          */
4506         if (!(IS_P3P_TYPE(ha)))
4507                 vha->flags.online = 0;
4508         ha->flags.chip_reset_done = 0;
4509         clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
4510         vha->qla_stats.total_isp_aborts++;
4511
4512         ql_log(ql_log_info, vha, 0x00af,
4513             "Performing ISP error recovery - ha=%p.\n", ha);
4514
4515         /* For ISP82XX, reset_chip is just disabling interrupts.
4516          * Driver waits for the completion of the commands.
4517          * the interrupts need to be enabled.
4518          */
4519         if (!(IS_P3P_TYPE(ha)))
4520                 ha->isp_ops->reset_chip(vha);
4521
4522         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
4523         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
4524                 atomic_set(&vha->loop_state, LOOP_DOWN);
4525                 qla2x00_mark_all_devices_lost(vha, 0);
4526
4527                 spin_lock_irqsave(&ha->vport_slock, flags);
4528                 list_for_each_entry(vp, &ha->vp_list, list) {
4529                         atomic_inc(&vp->vref_count);
4530                         spin_unlock_irqrestore(&ha->vport_slock, flags);
4531
4532                         qla2x00_mark_all_devices_lost(vp, 0);
4533
4534                         spin_lock_irqsave(&ha->vport_slock, flags);
4535                         atomic_dec(&vp->vref_count);
4536                 }
4537                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4538         } else {
4539                 if (!atomic_read(&vha->loop_down_timer))
4540                         atomic_set(&vha->loop_down_timer,
4541                             LOOP_DOWN_TIME);
4542         }
4543
4544         /* Clear all async request states across all VPs. */
4545         list_for_each_entry(fcport, &vha->vp_fcports, list)
4546                 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
4547         spin_lock_irqsave(&ha->vport_slock, flags);
4548         list_for_each_entry(vp, &ha->vp_list, list) {
4549                 atomic_inc(&vp->vref_count);
4550                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4551
4552                 list_for_each_entry(fcport, &vp->vp_fcports, list)
4553                         fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
4554
4555                 spin_lock_irqsave(&ha->vport_slock, flags);
4556                 atomic_dec(&vp->vref_count);
4557         }
4558         spin_unlock_irqrestore(&ha->vport_slock, flags);
4559
4560         if (!ha->flags.eeh_busy) {
4561                 /* Make sure for ISP 82XX IO DMA is complete */
4562                 if (IS_P3P_TYPE(ha)) {
4563                         qla82xx_chip_reset_cleanup(vha);
4564                         ql_log(ql_log_info, vha, 0x00b4,
4565                             "Done chip reset cleanup.\n");
4566
4567                         /* Done waiting for pending commands.
4568                          * Reset the online flag.
4569                          */
4570                         vha->flags.online = 0;
4571                 }
4572
4573                 /* Requeue all commands in outstanding command list. */
4574                 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
4575         }
4576
4577         ha->chip_reset++;
4578         /* memory barrier */
4579         wmb();
4580 }
4581
4582 /*
4583 *  qla2x00_abort_isp
4584 *      Resets ISP and aborts all outstanding commands.
4585 *
4586 * Input:
4587 *      ha           = adapter block pointer.
4588 *
4589 * Returns:
4590 *      0 = success
4591 */
4592 int
4593 qla2x00_abort_isp(scsi_qla_host_t *vha)
4594 {
4595         int rval;
4596         uint8_t        status = 0;
4597         struct qla_hw_data *ha = vha->hw;
4598         struct scsi_qla_host *vp;
4599         struct req_que *req = ha->req_q_map[0];
4600         unsigned long flags;
4601
4602         if (vha->flags.online) {
4603                 qla2x00_abort_isp_cleanup(vha);
4604
4605                 if (IS_QLA8031(ha)) {
4606                         ql_dbg(ql_dbg_p3p, vha, 0xb05c,
4607                             "Clearing fcoe driver presence.\n");
4608                         if (qla83xx_clear_drv_presence(vha) != QLA_SUCCESS)
4609                                 ql_dbg(ql_dbg_p3p, vha, 0xb073,
4610                                     "Error while clearing DRV-Presence.\n");
4611                 }
4612
4613                 if (unlikely(pci_channel_offline(ha->pdev) &&
4614                     ha->flags.pci_channel_io_perm_failure)) {
4615                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4616                         status = 0;
4617                         return status;
4618                 }
4619
4620                 ha->isp_ops->get_flash_version(vha, req->ring);
4621
4622                 ha->isp_ops->nvram_config(vha);
4623
4624                 if (!qla2x00_restart_isp(vha)) {
4625                         clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4626
4627                         if (!atomic_read(&vha->loop_down_timer)) {
4628                                 /*
4629                                  * Issue marker command only when we are going
4630                                  * to start the I/O .
4631                                  */
4632                                 vha->marker_needed = 1;
4633                         }
4634
4635                         vha->flags.online = 1;
4636
4637                         ha->isp_ops->enable_intrs(ha);
4638
4639                         ha->isp_abort_cnt = 0;
4640                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4641
4642                         if (IS_QLA81XX(ha) || IS_QLA8031(ha))
4643                                 qla2x00_get_fw_version(vha);
4644                         if (ha->fce) {
4645                                 ha->flags.fce_enabled = 1;
4646                                 memset(ha->fce, 0,
4647                                     fce_calc_size(ha->fce_bufs));
4648                                 rval = qla2x00_enable_fce_trace(vha,
4649                                     ha->fce_dma, ha->fce_bufs, ha->fce_mb,
4650                                     &ha->fce_bufs);
4651                                 if (rval) {
4652                                         ql_log(ql_log_warn, vha, 0x8033,
4653                                             "Unable to reinitialize FCE "
4654                                             "(%d).\n", rval);
4655                                         ha->flags.fce_enabled = 0;
4656                                 }
4657                         }
4658
4659                         if (ha->eft) {
4660                                 memset(ha->eft, 0, EFT_SIZE);
4661                                 rval = qla2x00_enable_eft_trace(vha,
4662                                     ha->eft_dma, EFT_NUM_BUFFERS);
4663                                 if (rval) {
4664                                         ql_log(ql_log_warn, vha, 0x8034,
4665                                             "Unable to reinitialize EFT "
4666                                             "(%d).\n", rval);
4667                                 }
4668                         }
4669                 } else {        /* failed the ISP abort */
4670                         vha->flags.online = 1;
4671                         if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
4672                                 if (ha->isp_abort_cnt == 0) {
4673                                         ql_log(ql_log_fatal, vha, 0x8035,
4674                                             "ISP error recover failed - "
4675                                             "board disabled.\n");
4676                                         /*
4677                                          * The next call disables the board
4678                                          * completely.
4679                                          */
4680                                         ha->isp_ops->reset_adapter(vha);
4681                                         vha->flags.online = 0;
4682                                         clear_bit(ISP_ABORT_RETRY,
4683                                             &vha->dpc_flags);
4684                                         status = 0;
4685                                 } else { /* schedule another ISP abort */
4686                                         ha->isp_abort_cnt--;
4687                                         ql_dbg(ql_dbg_taskm, vha, 0x8020,
4688                                             "ISP abort - retry remaining %d.\n",
4689                                             ha->isp_abort_cnt);
4690                                         status = 1;
4691                                 }
4692                         } else {
4693                                 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
4694                                 ql_dbg(ql_dbg_taskm, vha, 0x8021,
4695                                     "ISP error recovery - retrying (%d) "
4696                                     "more times.\n", ha->isp_abort_cnt);
4697                                 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4698                                 status = 1;
4699                         }
4700                 }
4701
4702         }
4703
4704         if (!status) {
4705                 ql_dbg(ql_dbg_taskm, vha, 0x8022, "%s succeeded.\n", __func__);
4706
4707                 spin_lock_irqsave(&ha->vport_slock, flags);
4708                 list_for_each_entry(vp, &ha->vp_list, list) {
4709                         if (vp->vp_idx) {
4710                                 atomic_inc(&vp->vref_count);
4711                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4712
4713                                 qla2x00_vp_abort_isp(vp);
4714
4715                                 spin_lock_irqsave(&ha->vport_slock, flags);
4716                                 atomic_dec(&vp->vref_count);
4717                         }
4718                 }
4719                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4720
4721                 if (IS_QLA8031(ha)) {
4722                         ql_dbg(ql_dbg_p3p, vha, 0xb05d,
4723                             "Setting back fcoe driver presence.\n");
4724                         if (qla83xx_set_drv_presence(vha) != QLA_SUCCESS)
4725                                 ql_dbg(ql_dbg_p3p, vha, 0xb074,
4726                                     "Error while setting DRV-Presence.\n");
4727                 }
4728         } else {
4729                 ql_log(ql_log_warn, vha, 0x8023, "%s **** FAILED ****.\n",
4730                        __func__);
4731         }
4732
4733         return(status);
4734 }
4735
4736 /*
4737 *  qla2x00_restart_isp
4738 *      restarts the ISP after a reset
4739 *
4740 * Input:
4741 *      ha = adapter block pointer.
4742 *
4743 * Returns:
4744 *      0 = success
4745 */
4746 static int
4747 qla2x00_restart_isp(scsi_qla_host_t *vha)
4748 {
4749         int status = 0;
4750         struct qla_hw_data *ha = vha->hw;
4751         struct req_que *req = ha->req_q_map[0];
4752         struct rsp_que *rsp = ha->rsp_q_map[0];
4753         unsigned long flags;
4754
4755         /* If firmware needs to be loaded */
4756         if (qla2x00_isp_firmware(vha)) {
4757                 vha->flags.online = 0;
4758                 status = ha->isp_ops->chip_diag(vha);
4759                 if (!status)
4760                         status = qla2x00_setup_chip(vha);
4761         }
4762
4763         if (!status && !(status = qla2x00_init_rings(vha))) {
4764                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4765                 ha->flags.chip_reset_done = 1;
4766
4767                 /* Initialize the queues in use */
4768                 qla25xx_init_queues(ha);
4769
4770                 status = qla2x00_fw_ready(vha);
4771                 if (!status) {
4772                         /* Issue a marker after FW becomes ready. */
4773                         qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
4774
4775                         vha->flags.online = 1;
4776
4777                         /*
4778                          * Process any ATIO queue entries that came in
4779                          * while we weren't online.
4780                          */
4781                         spin_lock_irqsave(&ha->hardware_lock, flags);
4782                         if (qla_tgt_mode_enabled(vha))
4783                                 qlt_24xx_process_atio_queue(vha);
4784                         spin_unlock_irqrestore(&ha->hardware_lock, flags);
4785
4786                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4787                 }
4788
4789                 /* if no cable then assume it's good */
4790                 if ((vha->device_flags & DFLG_NO_CABLE))
4791                         status = 0;
4792         }
4793         return (status);
4794 }
4795
4796 static int
4797 qla25xx_init_queues(struct qla_hw_data *ha)
4798 {
4799         struct rsp_que *rsp = NULL;
4800         struct req_que *req = NULL;
4801         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
4802         int ret = -1;
4803         int i;
4804
4805         for (i = 1; i < ha->max_rsp_queues; i++) {
4806                 rsp = ha->rsp_q_map[i];
4807                 if (rsp) {
4808                         rsp->options &= ~BIT_0;
4809                         ret = qla25xx_init_rsp_que(base_vha, rsp);
4810                         if (ret != QLA_SUCCESS)
4811                                 ql_dbg(ql_dbg_init, base_vha, 0x00ff,
4812                                     "%s Rsp que: %d init failed.\n",
4813                                     __func__, rsp->id);
4814                         else
4815                                 ql_dbg(ql_dbg_init, base_vha, 0x0100,
4816                                     "%s Rsp que: %d inited.\n",
4817                                     __func__, rsp->id);
4818                 }
4819         }
4820         for (i = 1; i < ha->max_req_queues; i++) {
4821                 req = ha->req_q_map[i];
4822                 if (req) {
4823                 /* Clear outstanding commands array. */
4824                         req->options &= ~BIT_0;
4825                         ret = qla25xx_init_req_que(base_vha, req);
4826                         if (ret != QLA_SUCCESS)
4827                                 ql_dbg(ql_dbg_init, base_vha, 0x0101,
4828                                     "%s Req que: %d init failed.\n",
4829                                     __func__, req->id);
4830                         else
4831                                 ql_dbg(ql_dbg_init, base_vha, 0x0102,
4832                                     "%s Req que: %d inited.\n",
4833                                     __func__, req->id);
4834                 }
4835         }
4836         return ret;
4837 }
4838
4839 /*
4840 * qla2x00_reset_adapter
4841 *      Reset adapter.
4842 *
4843 * Input:
4844 *      ha = adapter block pointer.
4845 */
4846 void
4847 qla2x00_reset_adapter(scsi_qla_host_t *vha)
4848 {
4849         unsigned long flags = 0;
4850         struct qla_hw_data *ha = vha->hw;
4851         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
4852
4853         vha->flags.online = 0;
4854         ha->isp_ops->disable_intrs(ha);
4855
4856         spin_lock_irqsave(&ha->hardware_lock, flags);
4857         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
4858         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
4859         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
4860         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
4861         spin_unlock_irqrestore(&ha->hardware_lock, flags);
4862 }
4863
4864 void
4865 qla24xx_reset_adapter(scsi_qla_host_t *vha)
4866 {
4867         unsigned long flags = 0;
4868         struct qla_hw_data *ha = vha->hw;
4869         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
4870
4871         if (IS_P3P_TYPE(ha))
4872                 return;
4873
4874         vha->flags.online = 0;
4875         ha->isp_ops->disable_intrs(ha);
4876
4877         spin_lock_irqsave(&ha->hardware_lock, flags);
4878         WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
4879         RD_REG_DWORD(&reg->hccr);
4880         WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
4881         RD_REG_DWORD(&reg->hccr);
4882         spin_unlock_irqrestore(&ha->hardware_lock, flags);
4883
4884         if (IS_NOPOLLING_TYPE(ha))
4885                 ha->isp_ops->enable_intrs(ha);
4886 }
4887
4888 /* On sparc systems, obtain port and node WWN from firmware
4889  * properties.
4890  */
4891 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha,
4892         struct nvram_24xx *nv)
4893 {
4894 #ifdef CONFIG_SPARC
4895         struct qla_hw_data *ha = vha->hw;
4896         struct pci_dev *pdev = ha->pdev;
4897         struct device_node *dp = pci_device_to_OF_node(pdev);
4898         const u8 *val;
4899         int len;
4900
4901         val = of_get_property(dp, "port-wwn", &len);
4902         if (val && len >= WWN_SIZE)
4903                 memcpy(nv->port_name, val, WWN_SIZE);
4904
4905         val = of_get_property(dp, "node-wwn", &len);
4906         if (val && len >= WWN_SIZE)
4907                 memcpy(nv->node_name, val, WWN_SIZE);
4908 #endif
4909 }
4910
4911 int
4912 qla24xx_nvram_config(scsi_qla_host_t *vha)
4913 {
4914         int   rval;
4915         struct init_cb_24xx *icb;
4916         struct nvram_24xx *nv;
4917         uint32_t *dptr;
4918         uint8_t  *dptr1, *dptr2;
4919         uint32_t chksum;
4920         uint16_t cnt;
4921         struct qla_hw_data *ha = vha->hw;
4922
4923         rval = QLA_SUCCESS;
4924         icb = (struct init_cb_24xx *)ha->init_cb;
4925         nv = ha->nvram;
4926
4927         /* Determine NVRAM starting address. */
4928         if (ha->port_no == 0) {
4929                 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
4930                 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
4931         } else {
4932                 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
4933                 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
4934         }
4935
4936         ha->nvram_size = sizeof(struct nvram_24xx);
4937         ha->vpd_size = FA_NVRAM_VPD_SIZE;
4938
4939         /* Get VPD data into cache */
4940         ha->vpd = ha->nvram + VPD_OFFSET;
4941         ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd,
4942             ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
4943
4944         /* Get NVRAM data into cache and calculate checksum. */
4945         dptr = (uint32_t *)nv;
4946         ha->isp_ops->read_nvram(vha, (uint8_t *)dptr, ha->nvram_base,
4947             ha->nvram_size);
4948         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
4949                 chksum += le32_to_cpu(*dptr++);
4950
4951         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x006a,
4952             "Contents of NVRAM\n");
4953         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x010d,
4954             (uint8_t *)nv, ha->nvram_size);
4955
4956         /* Bad NVRAM data, set defaults parameters. */
4957         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
4958             || nv->id[3] != ' ' ||
4959             nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
4960                 /* Reset NVRAM data. */
4961                 ql_log(ql_log_warn, vha, 0x006b,
4962                     "Inconsistent NVRAM detected: checksum=0x%x id=%c "
4963                     "version=0x%x.\n", chksum, nv->id[0], nv->nvram_version);
4964                 ql_log(ql_log_warn, vha, 0x006c,
4965                     "Falling back to functioning (yet invalid -- WWPN) "
4966                     "defaults.\n");
4967
4968                 /*
4969                  * Set default initialization control block.
4970                  */
4971                 memset(nv, 0, ha->nvram_size);
4972                 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
4973                 nv->version = __constant_cpu_to_le16(ICB_VERSION);
4974                 nv->frame_payload_size = 2048;
4975                 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4976                 nv->exchange_count = __constant_cpu_to_le16(0);
4977                 nv->hard_address = __constant_cpu_to_le16(124);
4978                 nv->port_name[0] = 0x21;
4979                 nv->port_name[1] = 0x00 + ha->port_no + 1;
4980                 nv->port_name[2] = 0x00;
4981                 nv->port_name[3] = 0xe0;
4982                 nv->port_name[4] = 0x8b;
4983                 nv->port_name[5] = 0x1c;
4984                 nv->port_name[6] = 0x55;
4985                 nv->port_name[7] = 0x86;
4986                 nv->node_name[0] = 0x20;
4987                 nv->node_name[1] = 0x00;
4988                 nv->node_name[2] = 0x00;
4989                 nv->node_name[3] = 0xe0;
4990                 nv->node_name[4] = 0x8b;
4991                 nv->node_name[5] = 0x1c;
4992                 nv->node_name[6] = 0x55;
4993                 nv->node_name[7] = 0x86;
4994                 qla24xx_nvram_wwn_from_ofw(vha, nv);
4995                 nv->login_retry_count = __constant_cpu_to_le16(8);
4996                 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
4997                 nv->login_timeout = __constant_cpu_to_le16(0);
4998                 nv->firmware_options_1 =
4999                     __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
5000                 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
5001                 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
5002                 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
5003                 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
5004                 nv->efi_parameters = __constant_cpu_to_le32(0);
5005                 nv->reset_delay = 5;
5006                 nv->max_luns_per_target = __constant_cpu_to_le16(128);
5007                 nv->port_down_retry_count = __constant_cpu_to_le16(30);
5008                 nv->link_down_timeout = __constant_cpu_to_le16(30);
5009
5010                 rval = 1;
5011         }
5012
5013         if (!qla_ini_mode_enabled(vha)) {
5014                 /* Don't enable full login after initial LIP */
5015                 nv->firmware_options_1 &= __constant_cpu_to_le32(~BIT_13);
5016                 /* Don't enable LIP full login for initiator */
5017                 nv->host_p &= __constant_cpu_to_le32(~BIT_10);
5018         }
5019
5020         qlt_24xx_config_nvram_stage1(vha, nv);
5021
5022         /* Reset Initialization control block */
5023         memset(icb, 0, ha->init_cb_size);
5024
5025         /* Copy 1st segment. */
5026         dptr1 = (uint8_t *)icb;
5027         dptr2 = (uint8_t *)&nv->version;
5028         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
5029         while (cnt--)
5030                 *dptr1++ = *dptr2++;
5031
5032         icb->login_retry_count = nv->login_retry_count;
5033         icb->link_down_on_nos = nv->link_down_on_nos;
5034
5035         /* Copy 2nd segment. */
5036         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
5037         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
5038         cnt = (uint8_t *)&icb->reserved_3 -
5039             (uint8_t *)&icb->interrupt_delay_timer;
5040         while (cnt--)
5041                 *dptr1++ = *dptr2++;
5042
5043         /*
5044          * Setup driver NVRAM options.
5045          */
5046         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
5047             "QLA2462");
5048
5049         qlt_24xx_config_nvram_stage2(vha, icb);
5050
5051         if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
5052                 /* Use alternate WWN? */
5053                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
5054                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
5055         }
5056
5057         /* Prepare nodename */
5058         if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
5059                 /*
5060                  * Firmware will apply the following mask if the nodename was
5061                  * not provided.
5062                  */
5063                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
5064                 icb->node_name[0] &= 0xF0;
5065         }
5066
5067         /* Set host adapter parameters. */
5068         ha->flags.disable_risc_code_load = 0;
5069         ha->flags.enable_lip_reset = 0;
5070         ha->flags.enable_lip_full_login =
5071             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
5072         ha->flags.enable_target_reset =
5073             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
5074         ha->flags.enable_led_scheme = 0;
5075         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
5076
5077         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
5078             (BIT_6 | BIT_5 | BIT_4)) >> 4;
5079
5080         memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
5081             sizeof(ha->fw_seriallink_options24));
5082
5083         /* save HBA serial number */
5084         ha->serial0 = icb->port_name[5];
5085         ha->serial1 = icb->port_name[6];
5086         ha->serial2 = icb->port_name[7];
5087         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
5088         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
5089
5090         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
5091
5092         ha->retry_count = le16_to_cpu(nv->login_retry_count);
5093
5094         /* Set minimum login_timeout to 4 seconds. */
5095         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
5096                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
5097         if (le16_to_cpu(nv->login_timeout) < 4)
5098                 nv->login_timeout = __constant_cpu_to_le16(4);
5099         ha->login_timeout = le16_to_cpu(nv->login_timeout);
5100         icb->login_timeout = nv->login_timeout;
5101
5102         /* Set minimum RATOV to 100 tenths of a second. */
5103         ha->r_a_tov = 100;
5104
5105         ha->loop_reset_delay = nv->reset_delay;
5106
5107         /* Link Down Timeout = 0:
5108          *
5109          *      When Port Down timer expires we will start returning
5110          *      I/O's to OS with "DID_NO_CONNECT".
5111          *
5112          * Link Down Timeout != 0:
5113          *
5114          *       The driver waits for the link to come up after link down
5115          *       before returning I/Os to OS with "DID_NO_CONNECT".
5116          */
5117         if (le16_to_cpu(nv->link_down_timeout) == 0) {
5118                 ha->loop_down_abort_time =
5119                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
5120         } else {
5121                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
5122                 ha->loop_down_abort_time =
5123                     (LOOP_DOWN_TIME - ha->link_down_timeout);
5124         }
5125
5126         /* Need enough time to try and get the port back. */
5127         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
5128         if (qlport_down_retry)
5129                 ha->port_down_retry_count = qlport_down_retry;
5130
5131         /* Set login_retry_count */
5132         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
5133         if (ha->port_down_retry_count ==
5134             le16_to_cpu(nv->port_down_retry_count) &&
5135             ha->port_down_retry_count > 3)
5136                 ha->login_retry_count = ha->port_down_retry_count;
5137         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
5138                 ha->login_retry_count = ha->port_down_retry_count;
5139         if (ql2xloginretrycount)
5140                 ha->login_retry_count = ql2xloginretrycount;
5141
5142         /* Enable ZIO. */
5143         if (!vha->flags.init_done) {
5144                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
5145                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
5146                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
5147                     le16_to_cpu(icb->interrupt_delay_timer): 2;
5148         }
5149         icb->firmware_options_2 &= __constant_cpu_to_le32(
5150             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
5151         vha->flags.process_response_queue = 0;
5152         if (ha->zio_mode != QLA_ZIO_DISABLED) {
5153                 ha->zio_mode = QLA_ZIO_MODE_6;
5154
5155                 ql_log(ql_log_info, vha, 0x006f,
5156                     "ZIO mode %d enabled; timer delay (%d us).\n",
5157                     ha->zio_mode, ha->zio_timer * 100);
5158
5159                 icb->firmware_options_2 |= cpu_to_le32(
5160                     (uint32_t)ha->zio_mode);
5161                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
5162                 vha->flags.process_response_queue = 1;
5163         }
5164
5165         if (rval) {
5166                 ql_log(ql_log_warn, vha, 0x0070,
5167                     "NVRAM configuration failed.\n");
5168         }
5169         return (rval);
5170 }
5171
5172 static int
5173 qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr,
5174     uint32_t faddr)
5175 {
5176         int     rval = QLA_SUCCESS;
5177         int     segments, fragment;
5178         uint32_t *dcode, dlen;
5179         uint32_t risc_addr;
5180         uint32_t risc_size;
5181         uint32_t i;
5182         struct qla_hw_data *ha = vha->hw;
5183         struct req_que *req = ha->req_q_map[0];
5184
5185         ql_dbg(ql_dbg_init, vha, 0x008b,
5186             "FW: Loading firmware from flash (%x).\n", faddr);
5187
5188         rval = QLA_SUCCESS;
5189
5190         segments = FA_RISC_CODE_SEGMENTS;
5191         dcode = (uint32_t *)req->ring;
5192         *srisc_addr = 0;
5193
5194         /* Validate firmware image by checking version. */
5195         qla24xx_read_flash_data(vha, dcode, faddr + 4, 4);
5196         for (i = 0; i < 4; i++)
5197                 dcode[i] = be32_to_cpu(dcode[i]);
5198         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
5199             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
5200             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
5201                 dcode[3] == 0)) {
5202                 ql_log(ql_log_fatal, vha, 0x008c,
5203                     "Unable to verify the integrity of flash firmware "
5204                     "image.\n");
5205                 ql_log(ql_log_fatal, vha, 0x008d,
5206                     "Firmware data: %08x %08x %08x %08x.\n",
5207                     dcode[0], dcode[1], dcode[2], dcode[3]);
5208
5209                 return QLA_FUNCTION_FAILED;
5210         }
5211
5212         while (segments && rval == QLA_SUCCESS) {
5213                 /* Read segment's load information. */
5214                 qla24xx_read_flash_data(vha, dcode, faddr, 4);
5215
5216                 risc_addr = be32_to_cpu(dcode[2]);
5217                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
5218                 risc_size = be32_to_cpu(dcode[3]);
5219
5220                 fragment = 0;
5221                 while (risc_size > 0 && rval == QLA_SUCCESS) {
5222                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
5223                         if (dlen > risc_size)
5224                                 dlen = risc_size;
5225
5226                         ql_dbg(ql_dbg_init, vha, 0x008e,
5227                             "Loading risc segment@ risc addr %x "
5228                             "number of dwords 0x%x offset 0x%x.\n",
5229                             risc_addr, dlen, faddr);
5230
5231                         qla24xx_read_flash_data(vha, dcode, faddr, dlen);
5232                         for (i = 0; i < dlen; i++)
5233                                 dcode[i] = swab32(dcode[i]);
5234
5235                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
5236                             dlen);
5237                         if (rval) {
5238                                 ql_log(ql_log_fatal, vha, 0x008f,
5239                                     "Failed to load segment %d of firmware.\n",
5240                                     fragment);
5241                                 return QLA_FUNCTION_FAILED;
5242                         }
5243
5244                         faddr += dlen;
5245                         risc_addr += dlen;
5246                         risc_size -= dlen;
5247                         fragment++;
5248                 }
5249
5250                 /* Next segment. */
5251                 segments--;
5252         }
5253
5254         if (!IS_QLA27XX(ha))
5255                 return rval;
5256
5257         if (ha->fw_dump_template)
5258                 vfree(ha->fw_dump_template);
5259         ha->fw_dump_template = NULL;
5260         ha->fw_dump_template_len = 0;
5261
5262         ql_dbg(ql_dbg_init, vha, 0x0161,
5263             "Loading fwdump template from %x\n", faddr);
5264         qla24xx_read_flash_data(vha, dcode, faddr, 7);
5265         risc_size = be32_to_cpu(dcode[2]);
5266         ql_dbg(ql_dbg_init, vha, 0x0162,
5267             "-> array size %x dwords\n", risc_size);
5268         if (risc_size == 0 || risc_size == ~0)
5269                 goto default_template;
5270
5271         dlen = (risc_size - 8) * sizeof(*dcode);
5272         ql_dbg(ql_dbg_init, vha, 0x0163,
5273             "-> template allocating %x bytes...\n", dlen);
5274         ha->fw_dump_template = vmalloc(dlen);
5275         if (!ha->fw_dump_template) {
5276                 ql_log(ql_log_warn, vha, 0x0164,
5277                     "Failed fwdump template allocate %x bytes.\n", risc_size);
5278                 goto default_template;
5279         }
5280
5281         faddr += 7;
5282         risc_size -= 8;
5283         dcode = ha->fw_dump_template;
5284         qla24xx_read_flash_data(vha, dcode, faddr, risc_size);
5285         for (i = 0; i < risc_size; i++)
5286                 dcode[i] = le32_to_cpu(dcode[i]);
5287
5288         if (!qla27xx_fwdt_template_valid(dcode)) {
5289                 ql_log(ql_log_warn, vha, 0x0165,
5290                     "Failed fwdump template validate\n");
5291                 goto default_template;
5292         }
5293
5294         dlen = qla27xx_fwdt_template_size(dcode);
5295         ql_dbg(ql_dbg_init, vha, 0x0166,
5296             "-> template size %x bytes\n", dlen);
5297         if (dlen > risc_size * sizeof(*dcode)) {
5298                 ql_log(ql_log_warn, vha, 0x0167,
5299                     "Failed fwdump template exceeds array by %x bytes\n",
5300                     (uint32_t)(dlen - risc_size * sizeof(*dcode)));
5301                 goto default_template;
5302         }
5303         ha->fw_dump_template_len = dlen;
5304         return rval;
5305
5306 default_template:
5307         ql_log(ql_log_warn, vha, 0x0168, "Using default fwdump template\n");
5308         if (ha->fw_dump_template)
5309                 vfree(ha->fw_dump_template);
5310         ha->fw_dump_template = NULL;
5311         ha->fw_dump_template_len = 0;
5312
5313         dlen = qla27xx_fwdt_template_default_size();
5314         ql_dbg(ql_dbg_init, vha, 0x0169,
5315             "-> template allocating %x bytes...\n", dlen);
5316         ha->fw_dump_template = vmalloc(dlen);
5317         if (!ha->fw_dump_template) {
5318                 ql_log(ql_log_warn, vha, 0x016a,
5319                     "Failed fwdump template allocate %x bytes.\n", risc_size);
5320                 goto failed_template;
5321         }
5322
5323         dcode = ha->fw_dump_template;
5324         risc_size = dlen / sizeof(*dcode);
5325         memcpy(dcode, qla27xx_fwdt_template_default(), dlen);
5326         for (i = 0; i < risc_size; i++)
5327                 dcode[i] = be32_to_cpu(dcode[i]);
5328
5329         if (!qla27xx_fwdt_template_valid(ha->fw_dump_template)) {
5330                 ql_log(ql_log_warn, vha, 0x016b,
5331                     "Failed fwdump template validate\n");
5332                 goto failed_template;
5333         }
5334
5335         dlen = qla27xx_fwdt_template_size(ha->fw_dump_template);
5336         ql_dbg(ql_dbg_init, vha, 0x016c,
5337             "-> template size %x bytes\n", dlen);
5338         ha->fw_dump_template_len = dlen;
5339         return rval;
5340
5341 failed_template:
5342         ql_log(ql_log_warn, vha, 0x016d, "Failed default fwdump template\n");
5343         if (ha->fw_dump_template)
5344                 vfree(ha->fw_dump_template);
5345         ha->fw_dump_template = NULL;
5346         ha->fw_dump_template_len = 0;
5347         return rval;
5348 }
5349
5350 #define QLA_FW_URL "http://ldriver.qlogic.com/firmware/"
5351
5352 int
5353 qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5354 {
5355         int     rval;
5356         int     i, fragment;
5357         uint16_t *wcode, *fwcode;
5358         uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
5359         struct fw_blob *blob;
5360         struct qla_hw_data *ha = vha->hw;
5361         struct req_que *req = ha->req_q_map[0];
5362
5363         /* Load firmware blob. */
5364         blob = qla2x00_request_firmware(vha);
5365         if (!blob) {
5366                 ql_log(ql_log_info, vha, 0x0083,
5367                     "Firmware image unavailable.\n");
5368                 ql_log(ql_log_info, vha, 0x0084,
5369                     "Firmware images can be retrieved from: "QLA_FW_URL ".\n");
5370                 return QLA_FUNCTION_FAILED;
5371         }
5372
5373         rval = QLA_SUCCESS;
5374
5375         wcode = (uint16_t *)req->ring;
5376         *srisc_addr = 0;
5377         fwcode = (uint16_t *)blob->fw->data;
5378         fwclen = 0;
5379
5380         /* Validate firmware image by checking version. */
5381         if (blob->fw->size < 8 * sizeof(uint16_t)) {
5382                 ql_log(ql_log_fatal, vha, 0x0085,
5383                     "Unable to verify integrity of firmware image (%Zd).\n",
5384                     blob->fw->size);
5385                 goto fail_fw_integrity;
5386         }
5387         for (i = 0; i < 4; i++)
5388                 wcode[i] = be16_to_cpu(fwcode[i + 4]);
5389         if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
5390             wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
5391                 wcode[2] == 0 && wcode[3] == 0)) {
5392                 ql_log(ql_log_fatal, vha, 0x0086,
5393                     "Unable to verify integrity of firmware image.\n");
5394                 ql_log(ql_log_fatal, vha, 0x0087,
5395                     "Firmware data: %04x %04x %04x %04x.\n",
5396                     wcode[0], wcode[1], wcode[2], wcode[3]);
5397                 goto fail_fw_integrity;
5398         }
5399
5400         seg = blob->segs;
5401         while (*seg && rval == QLA_SUCCESS) {
5402                 risc_addr = *seg;
5403                 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
5404                 risc_size = be16_to_cpu(fwcode[3]);
5405
5406                 /* Validate firmware image size. */
5407                 fwclen += risc_size * sizeof(uint16_t);
5408                 if (blob->fw->size < fwclen) {
5409                         ql_log(ql_log_fatal, vha, 0x0088,
5410                             "Unable to verify integrity of firmware image "
5411                             "(%Zd).\n", blob->fw->size);
5412                         goto fail_fw_integrity;
5413                 }
5414
5415                 fragment = 0;
5416                 while (risc_size > 0 && rval == QLA_SUCCESS) {
5417                         wlen = (uint16_t)(ha->fw_transfer_size >> 1);
5418                         if (wlen > risc_size)
5419                                 wlen = risc_size;
5420                         ql_dbg(ql_dbg_init, vha, 0x0089,
5421                             "Loading risc segment@ risc addr %x number of "
5422                             "words 0x%x.\n", risc_addr, wlen);
5423
5424                         for (i = 0; i < wlen; i++)
5425                                 wcode[i] = swab16(fwcode[i]);
5426
5427                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
5428                             wlen);
5429                         if (rval) {
5430                                 ql_log(ql_log_fatal, vha, 0x008a,
5431                                     "Failed to load segment %d of firmware.\n",
5432                                     fragment);
5433                                 break;
5434                         }
5435
5436                         fwcode += wlen;
5437                         risc_addr += wlen;
5438                         risc_size -= wlen;
5439                         fragment++;
5440                 }
5441
5442                 /* Next segment. */
5443                 seg++;
5444         }
5445         return rval;
5446
5447 fail_fw_integrity:
5448         return QLA_FUNCTION_FAILED;
5449 }
5450
5451 static int
5452 qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5453 {
5454         int     rval;
5455         int     segments, fragment;
5456         uint32_t *dcode, dlen;
5457         uint32_t risc_addr;
5458         uint32_t risc_size;
5459         uint32_t i;
5460         struct fw_blob *blob;
5461         const uint32_t *fwcode;
5462         uint32_t fwclen;
5463         struct qla_hw_data *ha = vha->hw;
5464         struct req_que *req = ha->req_q_map[0];
5465
5466         /* Load firmware blob. */
5467         blob = qla2x00_request_firmware(vha);
5468         if (!blob) {
5469                 ql_log(ql_log_warn, vha, 0x0090,
5470                     "Firmware image unavailable.\n");
5471                 ql_log(ql_log_warn, vha, 0x0091,
5472                     "Firmware images can be retrieved from: "
5473                     QLA_FW_URL ".\n");
5474
5475                 return QLA_FUNCTION_FAILED;
5476         }
5477
5478         ql_dbg(ql_dbg_init, vha, 0x0092,
5479             "FW: Loading via request-firmware.\n");
5480
5481         rval = QLA_SUCCESS;
5482
5483         segments = FA_RISC_CODE_SEGMENTS;
5484         dcode = (uint32_t *)req->ring;
5485         *srisc_addr = 0;
5486         fwcode = (uint32_t *)blob->fw->data;
5487         fwclen = 0;
5488
5489         /* Validate firmware image by checking version. */
5490         if (blob->fw->size < 8 * sizeof(uint32_t)) {
5491                 ql_log(ql_log_fatal, vha, 0x0093,
5492                     "Unable to verify integrity of firmware image (%Zd).\n",
5493                     blob->fw->size);
5494                 return QLA_FUNCTION_FAILED;
5495         }
5496         for (i = 0; i < 4; i++)
5497                 dcode[i] = be32_to_cpu(fwcode[i + 4]);
5498         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
5499             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
5500             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
5501                 dcode[3] == 0)) {
5502                 ql_log(ql_log_fatal, vha, 0x0094,
5503                     "Unable to verify integrity of firmware image (%Zd).\n",
5504                     blob->fw->size);
5505                 ql_log(ql_log_fatal, vha, 0x0095,
5506                     "Firmware data: %08x %08x %08x %08x.\n",
5507                     dcode[0], dcode[1], dcode[2], dcode[3]);
5508                 return QLA_FUNCTION_FAILED;
5509         }
5510
5511         while (segments && rval == QLA_SUCCESS) {
5512                 risc_addr = be32_to_cpu(fwcode[2]);
5513                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
5514                 risc_size = be32_to_cpu(fwcode[3]);
5515
5516                 /* Validate firmware image size. */
5517                 fwclen += risc_size * sizeof(uint32_t);
5518                 if (blob->fw->size < fwclen) {
5519                         ql_log(ql_log_fatal, vha, 0x0096,
5520                             "Unable to verify integrity of firmware image "
5521                             "(%Zd).\n", blob->fw->size);
5522                         return QLA_FUNCTION_FAILED;
5523                 }
5524
5525                 fragment = 0;
5526                 while (risc_size > 0 && rval == QLA_SUCCESS) {
5527                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
5528                         if (dlen > risc_size)
5529                                 dlen = risc_size;
5530
5531                         ql_dbg(ql_dbg_init, vha, 0x0097,
5532                             "Loading risc segment@ risc addr %x "
5533                             "number of dwords 0x%x.\n", risc_addr, dlen);
5534
5535                         for (i = 0; i < dlen; i++)
5536                                 dcode[i] = swab32(fwcode[i]);
5537
5538                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
5539                             dlen);
5540                         if (rval) {
5541                                 ql_log(ql_log_fatal, vha, 0x0098,
5542                                     "Failed to load segment %d of firmware.\n",
5543                                     fragment);
5544                                 return QLA_FUNCTION_FAILED;
5545                         }
5546
5547                         fwcode += dlen;
5548                         risc_addr += dlen;
5549                         risc_size -= dlen;
5550                         fragment++;
5551                 }
5552
5553                 /* Next segment. */
5554                 segments--;
5555         }
5556
5557         if (!IS_QLA27XX(ha))
5558                 return rval;
5559
5560         if (ha->fw_dump_template)
5561                 vfree(ha->fw_dump_template);
5562         ha->fw_dump_template = NULL;
5563         ha->fw_dump_template_len = 0;
5564
5565         ql_dbg(ql_dbg_init, vha, 0x171,
5566             "Loading fwdump template from %x\n",
5567             (uint32_t)((void *)fwcode - (void *)blob->fw->data));
5568         risc_size = be32_to_cpu(fwcode[2]);
5569         ql_dbg(ql_dbg_init, vha, 0x172,
5570             "-> array size %x dwords\n", risc_size);
5571         if (risc_size == 0 || risc_size == ~0)
5572                 goto default_template;
5573
5574         dlen = (risc_size - 8) * sizeof(*fwcode);
5575         ql_dbg(ql_dbg_init, vha, 0x0173,
5576             "-> template allocating %x bytes...\n", dlen);
5577         ha->fw_dump_template = vmalloc(dlen);
5578         if (!ha->fw_dump_template) {
5579                 ql_log(ql_log_warn, vha, 0x0174,
5580                     "Failed fwdump template allocate %x bytes.\n", risc_size);
5581                 goto default_template;
5582         }
5583
5584         fwcode += 7;
5585         risc_size -= 8;
5586         dcode = ha->fw_dump_template;
5587         for (i = 0; i < risc_size; i++)
5588                 dcode[i] = le32_to_cpu(fwcode[i]);
5589
5590         if (!qla27xx_fwdt_template_valid(dcode)) {
5591                 ql_log(ql_log_warn, vha, 0x0175,
5592                     "Failed fwdump template validate\n");
5593                 goto default_template;
5594         }
5595
5596         dlen = qla27xx_fwdt_template_size(dcode);
5597         ql_dbg(ql_dbg_init, vha, 0x0176,
5598             "-> template size %x bytes\n", dlen);
5599         if (dlen > risc_size * sizeof(*fwcode)) {
5600                 ql_log(ql_log_warn, vha, 0x0177,
5601                     "Failed fwdump template exceeds array by %x bytes\n",
5602                     (uint32_t)(dlen - risc_size * sizeof(*fwcode)));
5603                 goto default_template;
5604         }
5605         ha->fw_dump_template_len = dlen;
5606         return rval;
5607
5608 default_template:
5609         ql_log(ql_log_warn, vha, 0x0178, "Using default fwdump template\n");
5610         if (ha->fw_dump_template)
5611                 vfree(ha->fw_dump_template);
5612         ha->fw_dump_template = NULL;
5613         ha->fw_dump_template_len = 0;
5614
5615         dlen = qla27xx_fwdt_template_default_size();
5616         ql_dbg(ql_dbg_init, vha, 0x0179,
5617             "-> template allocating %x bytes...\n", dlen);
5618         ha->fw_dump_template = vmalloc(dlen);
5619         if (!ha->fw_dump_template) {
5620                 ql_log(ql_log_warn, vha, 0x017a,
5621                     "Failed fwdump template allocate %x bytes.\n", risc_size);
5622                 goto failed_template;
5623         }
5624
5625         dcode = ha->fw_dump_template;
5626         risc_size = dlen / sizeof(*fwcode);
5627         fwcode = qla27xx_fwdt_template_default();
5628         for (i = 0; i < risc_size; i++)
5629                 dcode[i] = be32_to_cpu(fwcode[i]);
5630
5631         if (!qla27xx_fwdt_template_valid(ha->fw_dump_template)) {
5632                 ql_log(ql_log_warn, vha, 0x017b,
5633                     "Failed fwdump template validate\n");
5634                 goto failed_template;
5635         }
5636
5637         dlen = qla27xx_fwdt_template_size(ha->fw_dump_template);
5638         ql_dbg(ql_dbg_init, vha, 0x017c,
5639             "-> template size %x bytes\n", dlen);
5640         ha->fw_dump_template_len = dlen;
5641         return rval;
5642
5643 failed_template:
5644         ql_log(ql_log_warn, vha, 0x017d, "Failed default fwdump template\n");
5645         if (ha->fw_dump_template)
5646                 vfree(ha->fw_dump_template);
5647         ha->fw_dump_template = NULL;
5648         ha->fw_dump_template_len = 0;
5649         return rval;
5650 }
5651
5652 int
5653 qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5654 {
5655         int rval;
5656
5657         if (ql2xfwloadbin == 1)
5658                 return qla81xx_load_risc(vha, srisc_addr);
5659
5660         /*
5661          * FW Load priority:
5662          * 1) Firmware via request-firmware interface (.bin file).
5663          * 2) Firmware residing in flash.
5664          */
5665         rval = qla24xx_load_risc_blob(vha, srisc_addr);
5666         if (rval == QLA_SUCCESS)
5667                 return rval;
5668
5669         return qla24xx_load_risc_flash(vha, srisc_addr,
5670             vha->hw->flt_region_fw);
5671 }
5672
5673 int
5674 qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5675 {
5676         int rval;
5677         struct qla_hw_data *ha = vha->hw;
5678
5679         if (ql2xfwloadbin == 2)
5680                 goto try_blob_fw;
5681
5682         /*
5683          * FW Load priority:
5684          * 1) Firmware residing in flash.
5685          * 2) Firmware via request-firmware interface (.bin file).
5686          * 3) Golden-Firmware residing in flash -- limited operation.
5687          */
5688         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw);
5689         if (rval == QLA_SUCCESS)
5690                 return rval;
5691
5692 try_blob_fw:
5693         rval = qla24xx_load_risc_blob(vha, srisc_addr);
5694         if (rval == QLA_SUCCESS || !ha->flt_region_gold_fw)
5695                 return rval;
5696
5697         ql_log(ql_log_info, vha, 0x0099,
5698             "Attempting to fallback to golden firmware.\n");
5699         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_gold_fw);
5700         if (rval != QLA_SUCCESS)
5701                 return rval;
5702
5703         ql_log(ql_log_info, vha, 0x009a, "Update operational firmware.\n");
5704         ha->flags.running_gold_fw = 1;
5705         return rval;
5706 }
5707
5708 void
5709 qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
5710 {
5711         int ret, retries;
5712         struct qla_hw_data *ha = vha->hw;
5713
5714         if (ha->flags.pci_channel_io_perm_failure)
5715                 return;
5716         if (!IS_FWI2_CAPABLE(ha))
5717                 return;
5718         if (!ha->fw_major_version)
5719                 return;
5720
5721         ret = qla2x00_stop_firmware(vha);
5722         for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
5723             ret != QLA_INVALID_COMMAND && retries ; retries--) {
5724                 ha->isp_ops->reset_chip(vha);
5725                 if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS)
5726                         continue;
5727                 if (qla2x00_setup_chip(vha) != QLA_SUCCESS)
5728                         continue;
5729                 ql_log(ql_log_info, vha, 0x8015,
5730                     "Attempting retry of stop-firmware command.\n");
5731                 ret = qla2x00_stop_firmware(vha);
5732         }
5733 }
5734
5735 int
5736 qla24xx_configure_vhba(scsi_qla_host_t *vha)
5737 {
5738         int rval = QLA_SUCCESS;
5739         int rval2;
5740         uint16_t mb[MAILBOX_REGISTER_COUNT];
5741         struct qla_hw_data *ha = vha->hw;
5742         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
5743         struct req_que *req;
5744         struct rsp_que *rsp;
5745
5746         if (!vha->vp_idx)
5747                 return -EINVAL;
5748
5749         rval = qla2x00_fw_ready(base_vha);
5750         if (ha->flags.cpu_affinity_enabled)
5751                 req = ha->req_q_map[0];
5752         else
5753                 req = vha->req;
5754         rsp = req->rsp;
5755
5756         if (rval == QLA_SUCCESS) {
5757                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5758                 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
5759         }
5760
5761         vha->flags.management_server_logged_in = 0;
5762
5763         /* Login to SNS first */
5764         rval2 = ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb,
5765             BIT_1);
5766         if (rval2 != QLA_SUCCESS || mb[0] != MBS_COMMAND_COMPLETE) {
5767                 if (rval2 == QLA_MEMORY_ALLOC_FAILED)
5768                         ql_dbg(ql_dbg_init, vha, 0x0120,
5769                             "Failed SNS login: loop_id=%x, rval2=%d\n",
5770                             NPH_SNS, rval2);
5771                 else
5772                         ql_dbg(ql_dbg_init, vha, 0x0103,
5773                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
5774                             "mb[2]=%x mb[6]=%x mb[7]=%x.\n",
5775                             NPH_SNS, mb[0], mb[1], mb[2], mb[6], mb[7]);
5776                 return (QLA_FUNCTION_FAILED);
5777         }
5778
5779         atomic_set(&vha->loop_down_timer, 0);
5780         atomic_set(&vha->loop_state, LOOP_UP);
5781         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5782         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5783         rval = qla2x00_loop_resync(base_vha);
5784
5785         return rval;
5786 }
5787
5788 /* 84XX Support **************************************************************/
5789
5790 static LIST_HEAD(qla_cs84xx_list);
5791 static DEFINE_MUTEX(qla_cs84xx_mutex);
5792
5793 static struct qla_chip_state_84xx *
5794 qla84xx_get_chip(struct scsi_qla_host *vha)
5795 {
5796         struct qla_chip_state_84xx *cs84xx;
5797         struct qla_hw_data *ha = vha->hw;
5798
5799         mutex_lock(&qla_cs84xx_mutex);
5800
5801         /* Find any shared 84xx chip. */
5802         list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
5803                 if (cs84xx->bus == ha->pdev->bus) {
5804                         kref_get(&cs84xx->kref);
5805                         goto done;
5806                 }
5807         }
5808
5809         cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
5810         if (!cs84xx)
5811                 goto done;
5812
5813         kref_init(&cs84xx->kref);
5814         spin_lock_init(&cs84xx->access_lock);
5815         mutex_init(&cs84xx->fw_update_mutex);
5816         cs84xx->bus = ha->pdev->bus;
5817
5818         list_add_tail(&cs84xx->list, &qla_cs84xx_list);
5819 done:
5820         mutex_unlock(&qla_cs84xx_mutex);
5821         return cs84xx;
5822 }
5823
5824 static void
5825 __qla84xx_chip_release(struct kref *kref)
5826 {
5827         struct qla_chip_state_84xx *cs84xx =
5828             container_of(kref, struct qla_chip_state_84xx, kref);
5829
5830         mutex_lock(&qla_cs84xx_mutex);
5831         list_del(&cs84xx->list);
5832         mutex_unlock(&qla_cs84xx_mutex);
5833         kfree(cs84xx);
5834 }
5835
5836 void
5837 qla84xx_put_chip(struct scsi_qla_host *vha)
5838 {
5839         struct qla_hw_data *ha = vha->hw;
5840         if (ha->cs84xx)
5841                 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
5842 }
5843
5844 static int
5845 qla84xx_init_chip(scsi_qla_host_t *vha)
5846 {
5847         int rval;
5848         uint16_t status[2];
5849         struct qla_hw_data *ha = vha->hw;
5850
5851         mutex_lock(&ha->cs84xx->fw_update_mutex);
5852
5853         rval = qla84xx_verify_chip(vha, status);
5854
5855         mutex_unlock(&ha->cs84xx->fw_update_mutex);
5856
5857         return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED:
5858             QLA_SUCCESS;
5859 }
5860
5861 /* 81XX Support **************************************************************/
5862
5863 int
5864 qla81xx_nvram_config(scsi_qla_host_t *vha)
5865 {
5866         int   rval;
5867         struct init_cb_81xx *icb;
5868         struct nvram_81xx *nv;
5869         uint32_t *dptr;
5870         uint8_t  *dptr1, *dptr2;
5871         uint32_t chksum;
5872         uint16_t cnt;
5873         struct qla_hw_data *ha = vha->hw;
5874
5875         rval = QLA_SUCCESS;
5876         icb = (struct init_cb_81xx *)ha->init_cb;
5877         nv = ha->nvram;
5878
5879         /* Determine NVRAM starting address. */
5880         ha->nvram_size = sizeof(struct nvram_81xx);
5881         ha->vpd_size = FA_NVRAM_VPD_SIZE;
5882         if (IS_P3P_TYPE(ha) || IS_QLA8031(ha))
5883                 ha->vpd_size = FA_VPD_SIZE_82XX;
5884
5885         /* Get VPD data into cache */
5886         ha->vpd = ha->nvram + VPD_OFFSET;
5887         ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_vpd << 2,
5888             ha->vpd_size);
5889
5890         /* Get NVRAM data into cache and calculate checksum. */
5891         ha->isp_ops->read_optrom(vha, ha->nvram, ha->flt_region_nvram << 2,
5892             ha->nvram_size);
5893         dptr = (uint32_t *)nv;
5894         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
5895                 chksum += le32_to_cpu(*dptr++);
5896
5897         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0111,
5898             "Contents of NVRAM:\n");
5899         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0112,
5900             (uint8_t *)nv, ha->nvram_size);
5901
5902         /* Bad NVRAM data, set defaults parameters. */
5903         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
5904             || nv->id[3] != ' ' ||
5905             nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
5906                 /* Reset NVRAM data. */
5907                 ql_log(ql_log_info, vha, 0x0073,
5908                     "Inconsistent NVRAM detected: checksum=0x%x id=%c "
5909                     "version=0x%x.\n", chksum, nv->id[0],
5910                     le16_to_cpu(nv->nvram_version));
5911                 ql_log(ql_log_info, vha, 0x0074,
5912                     "Falling back to functioning (yet invalid -- WWPN) "
5913                     "defaults.\n");
5914
5915                 /*
5916                  * Set default initialization control block.
5917                  */
5918                 memset(nv, 0, ha->nvram_size);
5919                 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
5920                 nv->version = __constant_cpu_to_le16(ICB_VERSION);
5921                 nv->frame_payload_size = 2048;
5922                 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
5923                 nv->exchange_count = __constant_cpu_to_le16(0);
5924                 nv->port_name[0] = 0x21;
5925                 nv->port_name[1] = 0x00 + ha->port_no + 1;
5926                 nv->port_name[2] = 0x00;
5927                 nv->port_name[3] = 0xe0;
5928                 nv->port_name[4] = 0x8b;
5929                 nv->port_name[5] = 0x1c;
5930                 nv->port_name[6] = 0x55;
5931                 nv->port_name[7] = 0x86;
5932                 nv->node_name[0] = 0x20;
5933                 nv->node_name[1] = 0x00;
5934                 nv->node_name[2] = 0x00;
5935                 nv->node_name[3] = 0xe0;
5936                 nv->node_name[4] = 0x8b;
5937                 nv->node_name[5] = 0x1c;
5938                 nv->node_name[6] = 0x55;
5939                 nv->node_name[7] = 0x86;
5940                 nv->login_retry_count = __constant_cpu_to_le16(8);
5941                 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
5942                 nv->login_timeout = __constant_cpu_to_le16(0);
5943                 nv->firmware_options_1 =
5944                     __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
5945                 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
5946                 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
5947                 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
5948                 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
5949                 nv->efi_parameters = __constant_cpu_to_le32(0);
5950                 nv->reset_delay = 5;
5951                 nv->max_luns_per_target = __constant_cpu_to_le16(128);
5952                 nv->port_down_retry_count = __constant_cpu_to_le16(30);
5953                 nv->link_down_timeout = __constant_cpu_to_le16(180);
5954                 nv->enode_mac[0] = 0x00;
5955                 nv->enode_mac[1] = 0xC0;
5956                 nv->enode_mac[2] = 0xDD;
5957                 nv->enode_mac[3] = 0x04;
5958                 nv->enode_mac[4] = 0x05;
5959                 nv->enode_mac[5] = 0x06 + ha->port_no + 1;
5960
5961                 rval = 1;
5962         }
5963
5964         if (IS_T10_PI_CAPABLE(ha))
5965                 nv->frame_payload_size &= ~7;
5966
5967         qlt_81xx_config_nvram_stage1(vha, nv);
5968
5969         /* Reset Initialization control block */
5970         memset(icb, 0, ha->init_cb_size);
5971
5972         /* Copy 1st segment. */
5973         dptr1 = (uint8_t *)icb;
5974         dptr2 = (uint8_t *)&nv->version;
5975         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
5976         while (cnt--)
5977                 *dptr1++ = *dptr2++;
5978
5979         icb->login_retry_count = nv->login_retry_count;
5980
5981         /* Copy 2nd segment. */
5982         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
5983         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
5984         cnt = (uint8_t *)&icb->reserved_5 -
5985             (uint8_t *)&icb->interrupt_delay_timer;
5986         while (cnt--)
5987                 *dptr1++ = *dptr2++;
5988
5989         memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac));
5990         /* Some boards (with valid NVRAMs) still have NULL enode_mac!! */
5991         if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) {
5992                 icb->enode_mac[0] = 0x00;
5993                 icb->enode_mac[1] = 0xC0;
5994                 icb->enode_mac[2] = 0xDD;
5995                 icb->enode_mac[3] = 0x04;
5996                 icb->enode_mac[4] = 0x05;
5997                 icb->enode_mac[5] = 0x06 + ha->port_no + 1;
5998         }
5999
6000         /* Use extended-initialization control block. */
6001         memcpy(ha->ex_init_cb, &nv->ex_version, sizeof(*ha->ex_init_cb));
6002
6003         /*
6004          * Setup driver NVRAM options.
6005          */
6006         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
6007             "QLE8XXX");
6008
6009         qlt_81xx_config_nvram_stage2(vha, icb);
6010
6011         /* Use alternate WWN? */
6012         if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
6013                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
6014                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
6015         }
6016
6017         /* Prepare nodename */
6018         if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
6019                 /*
6020                  * Firmware will apply the following mask if the nodename was
6021                  * not provided.
6022                  */
6023                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
6024                 icb->node_name[0] &= 0xF0;
6025         }
6026
6027         /* Set host adapter parameters. */
6028         ha->flags.disable_risc_code_load = 0;
6029         ha->flags.enable_lip_reset = 0;
6030         ha->flags.enable_lip_full_login =
6031             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
6032         ha->flags.enable_target_reset =
6033             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
6034         ha->flags.enable_led_scheme = 0;
6035         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
6036
6037         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
6038             (BIT_6 | BIT_5 | BIT_4)) >> 4;
6039
6040         /* save HBA serial number */
6041         ha->serial0 = icb->port_name[5];
6042         ha->serial1 = icb->port_name[6];
6043         ha->serial2 = icb->port_name[7];
6044         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
6045         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
6046
6047         icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
6048
6049         ha->retry_count = le16_to_cpu(nv->login_retry_count);
6050
6051         /* Set minimum login_timeout to 4 seconds. */
6052         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
6053                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
6054         if (le16_to_cpu(nv->login_timeout) < 4)
6055                 nv->login_timeout = __constant_cpu_to_le16(4);
6056         ha->login_timeout = le16_to_cpu(nv->login_timeout);
6057         icb->login_timeout = nv->login_timeout;
6058
6059         /* Set minimum RATOV to 100 tenths of a second. */
6060         ha->r_a_tov = 100;
6061
6062         ha->loop_reset_delay = nv->reset_delay;
6063
6064         /* Link Down Timeout = 0:
6065          *
6066          *      When Port Down timer expires we will start returning
6067          *      I/O's to OS with "DID_NO_CONNECT".
6068          *
6069          * Link Down Timeout != 0:
6070          *
6071          *       The driver waits for the link to come up after link down
6072          *       before returning I/Os to OS with "DID_NO_CONNECT".
6073          */
6074         if (le16_to_cpu(nv->link_down_timeout) == 0) {
6075                 ha->loop_down_abort_time =
6076                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
6077         } else {
6078                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
6079                 ha->loop_down_abort_time =
6080                     (LOOP_DOWN_TIME - ha->link_down_timeout);
6081         }
6082
6083         /* Need enough time to try and get the port back. */
6084         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
6085         if (qlport_down_retry)
6086                 ha->port_down_retry_count = qlport_down_retry;
6087
6088         /* Set login_retry_count */
6089         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
6090         if (ha->port_down_retry_count ==
6091             le16_to_cpu(nv->port_down_retry_count) &&
6092             ha->port_down_retry_count > 3)
6093                 ha->login_retry_count = ha->port_down_retry_count;
6094         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
6095                 ha->login_retry_count = ha->port_down_retry_count;
6096         if (ql2xloginretrycount)
6097                 ha->login_retry_count = ql2xloginretrycount;
6098
6099         /* if not running MSI-X we need handshaking on interrupts */
6100         if (!vha->hw->flags.msix_enabled && (IS_QLA83XX(ha) || IS_QLA27XX(ha)))
6101                 icb->firmware_options_2 |= __constant_cpu_to_le32(BIT_22);
6102
6103         /* Enable ZIO. */
6104         if (!vha->flags.init_done) {
6105                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
6106                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
6107                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
6108                     le16_to_cpu(icb->interrupt_delay_timer): 2;
6109         }
6110         icb->firmware_options_2 &= __constant_cpu_to_le32(
6111             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
6112         vha->flags.process_response_queue = 0;
6113         if (ha->zio_mode != QLA_ZIO_DISABLED) {
6114                 ha->zio_mode = QLA_ZIO_MODE_6;
6115
6116                 ql_log(ql_log_info, vha, 0x0075,
6117                     "ZIO mode %d enabled; timer delay (%d us).\n",
6118                     ha->zio_mode,
6119                     ha->zio_timer * 100);
6120
6121                 icb->firmware_options_2 |= cpu_to_le32(
6122                     (uint32_t)ha->zio_mode);
6123                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
6124                 vha->flags.process_response_queue = 1;
6125         }
6126
6127         if (rval) {
6128                 ql_log(ql_log_warn, vha, 0x0076,
6129                     "NVRAM configuration failed.\n");
6130         }
6131         return (rval);
6132 }
6133
6134 int
6135 qla82xx_restart_isp(scsi_qla_host_t *vha)
6136 {
6137         int status, rval;
6138         struct qla_hw_data *ha = vha->hw;
6139         struct req_que *req = ha->req_q_map[0];
6140         struct rsp_que *rsp = ha->rsp_q_map[0];
6141         struct scsi_qla_host *vp;
6142         unsigned long flags;
6143
6144         status = qla2x00_init_rings(vha);
6145         if (!status) {
6146                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
6147                 ha->flags.chip_reset_done = 1;
6148
6149                 status = qla2x00_fw_ready(vha);
6150                 if (!status) {
6151                         /* Issue a marker after FW becomes ready. */
6152                         qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
6153                         vha->flags.online = 1;
6154                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
6155                 }
6156
6157                 /* if no cable then assume it's good */
6158                 if ((vha->device_flags & DFLG_NO_CABLE))
6159                         status = 0;
6160         }
6161
6162         if (!status) {
6163                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
6164
6165                 if (!atomic_read(&vha->loop_down_timer)) {
6166                         /*
6167                          * Issue marker command only when we are going
6168                          * to start the I/O .
6169                          */
6170                         vha->marker_needed = 1;
6171                 }
6172
6173                 ha->isp_ops->enable_intrs(ha);
6174
6175                 ha->isp_abort_cnt = 0;
6176                 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
6177
6178                 /* Update the firmware version */
6179                 status = qla82xx_check_md_needed(vha);
6180
6181                 if (ha->fce) {
6182                         ha->flags.fce_enabled = 1;
6183                         memset(ha->fce, 0,
6184                             fce_calc_size(ha->fce_bufs));
6185                         rval = qla2x00_enable_fce_trace(vha,
6186                             ha->fce_dma, ha->fce_bufs, ha->fce_mb,
6187                             &ha->fce_bufs);
6188                         if (rval) {
6189                                 ql_log(ql_log_warn, vha, 0x8001,
6190                                     "Unable to reinitialize FCE (%d).\n",
6191                                     rval);
6192                                 ha->flags.fce_enabled = 0;
6193                         }
6194                 }
6195
6196                 if (ha->eft) {
6197                         memset(ha->eft, 0, EFT_SIZE);
6198                         rval = qla2x00_enable_eft_trace(vha,
6199                             ha->eft_dma, EFT_NUM_BUFFERS);
6200                         if (rval) {
6201                                 ql_log(ql_log_warn, vha, 0x8010,
6202                                     "Unable to reinitialize EFT (%d).\n",
6203                                     rval);
6204                         }
6205                 }
6206         }
6207
6208         if (!status) {
6209                 ql_dbg(ql_dbg_taskm, vha, 0x8011,
6210                     "qla82xx_restart_isp succeeded.\n");
6211
6212                 spin_lock_irqsave(&ha->vport_slock, flags);
6213                 list_for_each_entry(vp, &ha->vp_list, list) {
6214                         if (vp->vp_idx) {
6215                                 atomic_inc(&vp->vref_count);
6216                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
6217
6218                                 qla2x00_vp_abort_isp(vp);
6219
6220                                 spin_lock_irqsave(&ha->vport_slock, flags);
6221                                 atomic_dec(&vp->vref_count);
6222                         }
6223                 }
6224                 spin_unlock_irqrestore(&ha->vport_slock, flags);
6225
6226         } else {
6227                 ql_log(ql_log_warn, vha, 0x8016,
6228                     "qla82xx_restart_isp **** FAILED ****.\n");
6229         }
6230
6231         return status;
6232 }
6233
6234 void
6235 qla81xx_update_fw_options(scsi_qla_host_t *vha)
6236 {
6237         struct qla_hw_data *ha = vha->hw;
6238
6239         if (!ql2xetsenable)
6240                 return;
6241
6242         /* Enable ETS Burst. */
6243         memset(ha->fw_options, 0, sizeof(ha->fw_options));
6244         ha->fw_options[2] |= BIT_9;
6245         qla2x00_set_fw_options(vha, ha->fw_options);
6246 }
6247
6248 /*
6249  * qla24xx_get_fcp_prio
6250  *      Gets the fcp cmd priority value for the logged in port.
6251  *      Looks for a match of the port descriptors within
6252  *      each of the fcp prio config entries. If a match is found,
6253  *      the tag (priority) value is returned.
6254  *
6255  * Input:
6256  *      vha = scsi host structure pointer.
6257  *      fcport = port structure pointer.
6258  *
6259  * Return:
6260  *      non-zero (if found)
6261  *      -1 (if not found)
6262  *
6263  * Context:
6264  *      Kernel context
6265  */
6266 static int
6267 qla24xx_get_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
6268 {
6269         int i, entries;
6270         uint8_t pid_match, wwn_match;
6271         int priority;
6272         uint32_t pid1, pid2;
6273         uint64_t wwn1, wwn2;
6274         struct qla_fcp_prio_entry *pri_entry;
6275         struct qla_hw_data *ha = vha->hw;
6276
6277         if (!ha->fcp_prio_cfg || !ha->flags.fcp_prio_enabled)
6278                 return -1;
6279
6280         priority = -1;
6281         entries = ha->fcp_prio_cfg->num_entries;
6282         pri_entry = &ha->fcp_prio_cfg->entry[0];
6283
6284         for (i = 0; i < entries; i++) {
6285                 pid_match = wwn_match = 0;
6286
6287                 if (!(pri_entry->flags & FCP_PRIO_ENTRY_VALID)) {
6288                         pri_entry++;
6289                         continue;
6290                 }
6291
6292                 /* check source pid for a match */
6293                 if (pri_entry->flags & FCP_PRIO_ENTRY_SPID_VALID) {
6294                         pid1 = pri_entry->src_pid & INVALID_PORT_ID;
6295                         pid2 = vha->d_id.b24 & INVALID_PORT_ID;
6296                         if (pid1 == INVALID_PORT_ID)
6297                                 pid_match++;
6298                         else if (pid1 == pid2)
6299                                 pid_match++;
6300                 }
6301
6302                 /* check destination pid for a match */
6303                 if (pri_entry->flags & FCP_PRIO_ENTRY_DPID_VALID) {
6304                         pid1 = pri_entry->dst_pid & INVALID_PORT_ID;
6305                         pid2 = fcport->d_id.b24 & INVALID_PORT_ID;
6306                         if (pid1 == INVALID_PORT_ID)
6307                                 pid_match++;
6308                         else if (pid1 == pid2)
6309                                 pid_match++;
6310                 }
6311
6312                 /* check source WWN for a match */
6313                 if (pri_entry->flags & FCP_PRIO_ENTRY_SWWN_VALID) {
6314                         wwn1 = wwn_to_u64(vha->port_name);
6315                         wwn2 = wwn_to_u64(pri_entry->src_wwpn);
6316                         if (wwn2 == (uint64_t)-1)
6317                                 wwn_match++;
6318                         else if (wwn1 == wwn2)
6319                                 wwn_match++;
6320                 }
6321
6322                 /* check destination WWN for a match */
6323                 if (pri_entry->flags & FCP_PRIO_ENTRY_DWWN_VALID) {
6324                         wwn1 = wwn_to_u64(fcport->port_name);
6325                         wwn2 = wwn_to_u64(pri_entry->dst_wwpn);
6326                         if (wwn2 == (uint64_t)-1)
6327                                 wwn_match++;
6328                         else if (wwn1 == wwn2)
6329                                 wwn_match++;
6330                 }
6331
6332                 if (pid_match == 2 || wwn_match == 2) {
6333                         /* Found a matching entry */
6334                         if (pri_entry->flags & FCP_PRIO_ENTRY_TAG_VALID)
6335                                 priority = pri_entry->tag;
6336                         break;
6337                 }
6338
6339                 pri_entry++;
6340         }
6341
6342         return priority;
6343 }
6344
6345 /*
6346  * qla24xx_update_fcport_fcp_prio
6347  *      Activates fcp priority for the logged in fc port
6348  *
6349  * Input:
6350  *      vha = scsi host structure pointer.
6351  *      fcp = port structure pointer.
6352  *
6353  * Return:
6354  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
6355  *
6356  * Context:
6357  *      Kernel context.
6358  */
6359 int
6360 qla24xx_update_fcport_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
6361 {
6362         int ret;
6363         int priority;
6364         uint16_t mb[5];
6365
6366         if (fcport->port_type != FCT_TARGET ||
6367             fcport->loop_id == FC_NO_LOOP_ID)
6368                 return QLA_FUNCTION_FAILED;
6369
6370         priority = qla24xx_get_fcp_prio(vha, fcport);
6371         if (priority < 0)
6372                 return QLA_FUNCTION_FAILED;
6373
6374         if (IS_P3P_TYPE(vha->hw)) {
6375                 fcport->fcp_prio = priority & 0xf;
6376                 return QLA_SUCCESS;
6377         }
6378
6379         ret = qla24xx_set_fcp_prio(vha, fcport->loop_id, priority, mb);
6380         if (ret == QLA_SUCCESS) {
6381                 if (fcport->fcp_prio != priority)
6382                         ql_dbg(ql_dbg_user, vha, 0x709e,
6383                             "Updated FCP_CMND priority - value=%d loop_id=%d "
6384                             "port_id=%02x%02x%02x.\n", priority,
6385                             fcport->loop_id, fcport->d_id.b.domain,
6386                             fcport->d_id.b.area, fcport->d_id.b.al_pa);
6387                 fcport->fcp_prio = priority & 0xf;
6388         } else
6389                 ql_dbg(ql_dbg_user, vha, 0x704f,
6390                     "Unable to update FCP_CMND priority - ret=0x%x for "
6391                     "loop_id=%d port_id=%02x%02x%02x.\n", ret, fcport->loop_id,
6392                     fcport->d_id.b.domain, fcport->d_id.b.area,
6393                     fcport->d_id.b.al_pa);
6394         return  ret;
6395 }
6396
6397 /*
6398  * qla24xx_update_all_fcp_prio
6399  *      Activates fcp priority for all the logged in ports
6400  *
6401  * Input:
6402  *      ha = adapter block pointer.
6403  *
6404  * Return:
6405  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
6406  *
6407  * Context:
6408  *      Kernel context.
6409  */
6410 int
6411 qla24xx_update_all_fcp_prio(scsi_qla_host_t *vha)
6412 {
6413         int ret;
6414         fc_port_t *fcport;
6415
6416         ret = QLA_FUNCTION_FAILED;
6417         /* We need to set priority for all logged in ports */
6418         list_for_each_entry(fcport, &vha->vp_fcports, list)
6419                 ret = qla24xx_update_fcport_fcp_prio(vha, fcport);
6420
6421         return ret;
6422 }