drivers/scsi/qla2xxx/qla_init.c

   1 /*
   2  * QLogic Fibre Channel HBA Driver
   3  * Copyright (c)  2003-2014 QLogic Corporation
   4  *
   5  * See LICENSE.qla2xxx for copyright and licensing details.
   6  */
   7 #include "qla_def.h"
   8 #include "qla_gbl.h"
   9
  10 #include <linux/delay.h>
  11 #include <linux/slab.h>
  12 #include <linux/vmalloc.h>
  13
  14 #include "qla_devtbl.h"
  15
  16 #ifdef CONFIG_SPARC
  17 #include <asm/prom.h>
  18 #endif
  19
  20 #include <target/target_core_base.h>
  21 #include "qla_target.h"
  22
  23 /*
  24 *  QLogic ISP2x00 Hardware Support Function Prototypes.
  25 */
  26 static int qla2x00_isp_firmware(scsi_qla_host_t *);
  27 static int qla2x00_setup_chip(scsi_qla_host_t *);
  28 static int qla2x00_fw_ready(scsi_qla_host_t *);
  29 static int qla2x00_configure_hba(scsi_qla_host_t *);
  30 static int qla2x00_configure_loop(scsi_qla_host_t *);
  31 static int qla2x00_configure_local_loop(scsi_qla_host_t *);
  32 static int qla2x00_configure_fabric(scsi_qla_host_t *);
  33 static int qla2x00_find_all_fabric_devs(scsi_qla_host_t *, struct list_head *);
  34 static int qla2x00_fabric_dev_login(scsi_qla_host_t *, fc_port_t *,
  35     uint16_t *);
  36
  37 static int qla2x00_restart_isp(scsi_qla_host_t *);
  38
  39 static struct qla_chip_state_84xx *qla84xx_get_chip(struct scsi_qla_host *);
  40 static int qla84xx_init_chip(scsi_qla_host_t *);
  41 static int qla25xx_init_queues(struct qla_hw_data *);
  42
  43 /* SRB Extensions ---------------------------------------------------------- */
  44
  45 void
  46 qla2x00_sp_timeout(unsigned long __data)
  47 {
  48         srb_t *sp = (srb_t *)__data;
  49         struct srb_iocb *iocb;
  50         fc_port_t *fcport = sp->fcport;
  51         struct qla_hw_data *ha = fcport->vha->hw;
  52         struct req_que *req;
  53         unsigned long flags;
  54
  55         spin_lock_irqsave(&ha->hardware_lock, flags);
  56         req = ha->req_q_map[0];
  57         req->outstanding_cmds[sp->handle] = NULL;
  58         iocb = &sp->u.iocb_cmd;
  59         iocb->timeout(sp);
  60         sp->free(fcport->vha, sp);
  61         spin_unlock_irqrestore(&ha->hardware_lock, flags);
  62 }
  63
  64 void
  65 qla2x00_sp_free(void *data, void *ptr)
  66 {
  67         srb_t *sp = (srb_t *)ptr;
  68         struct srb_iocb *iocb = &sp->u.iocb_cmd;
  69         struct scsi_qla_host *vha = (scsi_qla_host_t *)data;
  70
  71         del_timer(&iocb->timer);
  72         qla2x00_rel_sp(vha, sp);
  73 }
  74
  75 /* Asynchronous Login/Logout Routines -------------------------------------- */
  76
  77 unsigned long
  78 qla2x00_get_async_timeout(struct scsi_qla_host *vha)
  79 {
  80         unsigned long tmo;
  81         struct qla_hw_data *ha = vha->hw;
  82
  83         /* Firmware should use switch negotiated r_a_tov for timeout. */
  84         tmo = ha->r_a_tov / 10 * 2;
  85         if (IS_QLAFX00(ha)) {
  86                 tmo = FX00_DEF_RATOV * 2;
  87         } else if (!IS_FWI2_CAPABLE(ha)) {
  88                 /*
  89                  * Except for earlier ISPs where the timeout is seeded from the
  90                  * initialization control block.
  91                  */
  92                 tmo = ha->login_timeout;
  93         }
  94         return tmo;
  95 }
  96
  97 static void
  98 qla2x00_async_iocb_timeout(void *data)
  99 {
 100         srb_t *sp = (srb_t *)data;
 101         fc_port_t *fcport = sp->fcport;
 102
 103         ql_dbg(ql_dbg_disc, fcport->vha, 0x2071,
 104             "Async-%s timeout - hdl=%x portid=%02x%02x%02x.\n",
 105             sp->name, sp->handle, fcport->d_id.b.domain, fcport->d_id.b.area,
 106             fcport->d_id.b.al_pa);
 107
 108         fcport->flags &= ~FCF_ASYNC_SENT;
 109         if (sp->type == SRB_LOGIN_CMD) {
 110                 struct srb_iocb *lio = &sp->u.iocb_cmd;
 111                 qla2x00_post_async_logout_work(fcport->vha, fcport, NULL);
 112                 /* Retry as needed. */
 113                 lio->u.logio.data[0] = MBS_COMMAND_ERROR;
 114                 lio->u.logio.data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
 115                         QLA_LOGIO_LOGIN_RETRIED : 0;
 116                 qla2x00_post_async_login_done_work(fcport->vha, fcport,
 117                         lio->u.logio.data);
 118         } else if (sp->type == SRB_LOGOUT_CMD) {
 119                 qlt_logo_completion_handler(fcport, QLA_FUNCTION_TIMEOUT);
 120         }
 121 }
 122
 123 static void
 124 qla2x00_async_login_sp_done(void *data, void *ptr, int res)
 125 {
 126         srb_t *sp = (srb_t *)ptr;
 127         struct srb_iocb *lio = &sp->u.iocb_cmd;
 128         struct scsi_qla_host *vha = (scsi_qla_host_t *)data;
 129
 130         if (!test_bit(UNLOADING, &vha->dpc_flags))
 131                 qla2x00_post_async_login_done_work(sp->fcport->vha, sp->fcport,
 132                     lio->u.logio.data);
 133         sp->free(sp->fcport->vha, sp);
 134 }
 135
 136 int
 137 qla2x00_async_login(struct scsi_qla_host *vha, fc_port_t *fcport,
 138     uint16_t *data)
 139 {
 140         srb_t *sp;
 141         struct srb_iocb *lio;
 142         int rval;
 143
 144         rval = QLA_FUNCTION_FAILED;
 145         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 146         if (!sp)
 147                 goto done;
 148
 149         sp->type = SRB_LOGIN_CMD;
 150         sp->name = "login";
 151         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
 152
 153         lio = &sp->u.iocb_cmd;
 154         lio->timeout = qla2x00_async_iocb_timeout;
 155         sp->done = qla2x00_async_login_sp_done;
 156         lio->u.logio.flags |= SRB_LOGIN_COND_PLOGI;
 157         if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
 158                 lio->u.logio.flags |= SRB_LOGIN_RETRIED;
 159         rval = qla2x00_start_sp(sp);
 160         if (rval != QLA_SUCCESS) {
 161                 fcport->flags &= ~FCF_ASYNC_SENT;
 162                 fcport->flags |= FCF_LOGIN_NEEDED;
 163                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
 164                 goto done_free_sp;
 165         }
 166
 167         ql_dbg(ql_dbg_disc, vha, 0x2072,
 168             "Async-login - hdl=%x, loopid=%x portid=%02x%02x%02x "
 169             "retries=%d.\n", sp->handle, fcport->loop_id,
 170             fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa,
 171             fcport->login_retry);
 172         return rval;
 173
 174 done_free_sp:
 175         sp->free(fcport->vha, sp);
 176 done:
 177         return rval;
 178 }
 179
 180 static void
 181 qla2x00_async_logout_sp_done(void *data, void *ptr, int res)
 182 {
 183         srb_t *sp = (srb_t *)ptr;
 184         struct srb_iocb *lio = &sp->u.iocb_cmd;
 185         struct scsi_qla_host *vha = (scsi_qla_host_t *)data;
 186
 187         if (!test_bit(UNLOADING, &vha->dpc_flags))
 188                 qla2x00_post_async_logout_done_work(sp->fcport->vha, sp->fcport,
 189                     lio->u.logio.data);
 190         sp->free(sp->fcport->vha, sp);
 191 }
 192
 193 int
 194 qla2x00_async_logout(struct scsi_qla_host *vha, fc_port_t *fcport)
 195 {
 196         srb_t *sp;
 197         struct srb_iocb *lio;
 198         int rval;
 199
 200         rval = QLA_FUNCTION_FAILED;
 201         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 202         if (!sp)
 203                 goto done;
 204
 205         sp->type = SRB_LOGOUT_CMD;
 206         sp->name = "logout";
 207         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
 208
 209         lio = &sp->u.iocb_cmd;
 210         lio->timeout = qla2x00_async_iocb_timeout;
 211         sp->done = qla2x00_async_logout_sp_done;
 212         rval = qla2x00_start_sp(sp);
 213         if (rval != QLA_SUCCESS)
 214                 goto done_free_sp;
 215
 216         ql_dbg(ql_dbg_disc, vha, 0x2070,
 217             "Async-logout - hdl=%x loop-id=%x portid=%02x%02x%02x.\n",
 218             sp->handle, fcport->loop_id, fcport->d_id.b.domain,
 219             fcport->d_id.b.area, fcport->d_id.b.al_pa);
 220         return rval;
 221
 222 done_free_sp:
 223         sp->free(fcport->vha, sp);
 224 done:
 225         return rval;
 226 }
 227
 228 static void
 229 qla2x00_async_adisc_sp_done(void *data, void *ptr, int res)
 230 {
 231         srb_t *sp = (srb_t *)ptr;
 232         struct srb_iocb *lio = &sp->u.iocb_cmd;
 233         struct scsi_qla_host *vha = (scsi_qla_host_t *)data;
 234
 235         if (!test_bit(UNLOADING, &vha->dpc_flags))
 236                 qla2x00_post_async_adisc_done_work(sp->fcport->vha, sp->fcport,
 237                     lio->u.logio.data);
 238         sp->free(sp->fcport->vha, sp);
 239 }
 240
 241 int
 242 qla2x00_async_adisc(struct scsi_qla_host *vha, fc_port_t *fcport,
 243     uint16_t *data)
 244 {
 245         srb_t *sp;
 246         struct srb_iocb *lio;
 247         int rval;
 248
 249         rval = QLA_FUNCTION_FAILED;
 250         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 251         if (!sp)
 252                 goto done;
 253
 254         sp->type = SRB_ADISC_CMD;
 255         sp->name = "adisc";
 256         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
 257
 258         lio = &sp->u.iocb_cmd;
 259         lio->timeout = qla2x00_async_iocb_timeout;
 260         sp->done = qla2x00_async_adisc_sp_done;
 261         if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
 262                 lio->u.logio.flags |= SRB_LOGIN_RETRIED;
 263         rval = qla2x00_start_sp(sp);
 264         if (rval != QLA_SUCCESS)
 265                 goto done_free_sp;
 266
 267         ql_dbg(ql_dbg_disc, vha, 0x206f,
 268             "Async-adisc - hdl=%x loopid=%x portid=%02x%02x%02x.\n",
 269             sp->handle, fcport->loop_id, fcport->d_id.b.domain,
 270             fcport->d_id.b.area, fcport->d_id.b.al_pa);
 271         return rval;
 272
 273 done_free_sp:
 274         sp->free(fcport->vha, sp);
 275 done:
 276         return rval;
 277 }
 278
 279 static void
 280 qla2x00_tmf_iocb_timeout(void *data)
 281 {
 282         srb_t *sp = (srb_t *)data;
 283         struct srb_iocb *tmf = &sp->u.iocb_cmd;
 284
 285         tmf->u.tmf.comp_status = CS_TIMEOUT;
 286         complete(&tmf->u.tmf.comp);
 287 }
 288
 289 static void
 290 qla2x00_tmf_sp_done(void *data, void *ptr, int res)
 291 {
 292         srb_t *sp = (srb_t *)ptr;
 293         struct srb_iocb *tmf = &sp->u.iocb_cmd;
 294         complete(&tmf->u.tmf.comp);
 295 }
 296
 297 int
 298 qla2x00_async_tm_cmd(fc_port_t *fcport, uint32_t flags, uint32_t lun,
 299         uint32_t tag)
 300 {
 301         struct scsi_qla_host *vha = fcport->vha;
 302         struct srb_iocb *tm_iocb;
 303         srb_t *sp;
 304         int rval = QLA_FUNCTION_FAILED;
 305
 306         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 307         if (!sp)
 308                 goto done;
 309
 310         tm_iocb = &sp->u.iocb_cmd;
 311         sp->type = SRB_TM_CMD;
 312         sp->name = "tmf";
 313         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha));
 314         tm_iocb->u.tmf.flags = flags;
 315         tm_iocb->u.tmf.lun = lun;
 316         tm_iocb->u.tmf.data = tag;
 317         sp->done = qla2x00_tmf_sp_done;
 318         tm_iocb->timeout = qla2x00_tmf_iocb_timeout;
 319         init_completion(&tm_iocb->u.tmf.comp);
 320
 321         rval = qla2x00_start_sp(sp);
 322         if (rval != QLA_SUCCESS)
 323                 goto done_free_sp;
 324
 325         ql_dbg(ql_dbg_taskm, vha, 0x802f,
 326             "Async-tmf hdl=%x loop-id=%x portid=%02x%02x%02x.\n",
 327             sp->handle, fcport->loop_id, fcport->d_id.b.domain,
 328             fcport->d_id.b.area, fcport->d_id.b.al_pa);
 329
 330         wait_for_completion(&tm_iocb->u.tmf.comp);
 331
 332         rval = tm_iocb->u.tmf.data;
 333
 334         if (rval != QLA_SUCCESS) {
 335                 ql_log(ql_log_warn, vha, 0x8030,
 336                     "TM IOCB failed (%x).\n", rval);
 337         }
 338
 339         if (!test_bit(UNLOADING, &vha->dpc_flags) && !IS_QLAFX00(vha->hw)) {
 340                 flags = tm_iocb->u.tmf.flags;
 341                 lun = (uint16_t)tm_iocb->u.tmf.lun;
 342
 343                 /* Issue Marker IOCB */
 344                 qla2x00_marker(vha, vha->hw->req_q_map[0],
 345                     vha->hw->rsp_q_map[0], sp->fcport->loop_id, lun,
 346                     flags == TCF_LUN_RESET ? MK_SYNC_ID_LUN : MK_SYNC_ID);
 347         }
 348
 349 done_free_sp:
 350         sp->free(vha, sp);
 351 done:
 352         return rval;
 353 }
 354
 355 static void
 356 qla24xx_abort_iocb_timeout(void *data)
 357 {
 358         srb_t *sp = (srb_t *)data;
 359         struct srb_iocb *abt = &sp->u.iocb_cmd;
 360
 361         abt->u.abt.comp_status = CS_TIMEOUT;
 362         complete(&abt->u.abt.comp);
 363 }
 364
 365 static void
 366 qla24xx_abort_sp_done(void *data, void *ptr, int res)
 367 {
 368         srb_t *sp = (srb_t *)ptr;
 369         struct srb_iocb *abt = &sp->u.iocb_cmd;
 370
 371         if (del_timer(&sp->u.iocb_cmd.timer))
 372                 complete(&abt->u.abt.comp);
 373 }
 374
 375 static int
 376 qla24xx_async_abort_cmd(srb_t *cmd_sp)
 377 {
 378         scsi_qla_host_t *vha = cmd_sp->fcport->vha;
 379         fc_port_t *fcport = cmd_sp->fcport;
 380         struct srb_iocb *abt_iocb;
 381         srb_t *sp;
 382         int rval = QLA_FUNCTION_FAILED;
 383
 384         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 385         if (!sp)
 386                 goto done;
 387
 388         abt_iocb = &sp->u.iocb_cmd;
 389         sp->type = SRB_ABT_CMD;
 390         sp->name = "abort";
 391         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha));
 392         abt_iocb->u.abt.cmd_hndl = cmd_sp->handle;
 393         sp->done = qla24xx_abort_sp_done;
 394         abt_iocb->timeout = qla24xx_abort_iocb_timeout;
 395         init_completion(&abt_iocb->u.abt.comp);
 396
 397         rval = qla2x00_start_sp(sp);
 398         if (rval != QLA_SUCCESS)
 399                 goto done_free_sp;
 400
 401         ql_dbg(ql_dbg_async, vha, 0x507c,
 402             "Abort command issued - hdl=%x, target_id=%x\n",
 403             cmd_sp->handle, fcport->tgt_id);
 404
 405         wait_for_completion(&abt_iocb->u.abt.comp);
 406
 407         rval = abt_iocb->u.abt.comp_status == CS_COMPLETE ?
 408             QLA_SUCCESS : QLA_FUNCTION_FAILED;
 409
 410 done_free_sp:
 411         sp->free(vha, sp);
 412 done:
 413         return rval;
 414 }
 415
 416 int
 417 qla24xx_async_abort_command(srb_t *sp)
 418 {
 419         unsigned long   flags = 0;
 420
 421         uint32_t        handle;
 422         fc_port_t       *fcport = sp->fcport;
 423         struct scsi_qla_host *vha = fcport->vha;
 424         struct qla_hw_data *ha = vha->hw;
 425         struct req_que *req = vha->req;
 426
 427         spin_lock_irqsave(&ha->hardware_lock, flags);
 428         for (handle = 1; handle < req->num_outstanding_cmds; handle++) {
 429                 if (req->outstanding_cmds[handle] == sp)
 430                         break;
 431         }
 432         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 433         if (handle == req->num_outstanding_cmds) {
 434                 /* Command not found. */
 435                 return QLA_FUNCTION_FAILED;
 436         }
 437         if (sp->type == SRB_FXIOCB_DCMD)
 438                 return qlafx00_fx_disc(vha, &vha->hw->mr.fcport,
 439                     FXDISC_ABORT_IOCTL);
 440
 441         return qla24xx_async_abort_cmd(sp);
 442 }
 443
 444 void
 445 qla2x00_async_login_done(struct scsi_qla_host *vha, fc_port_t *fcport,
 446     uint16_t *data)
 447 {
 448         int rval;
 449
 450         switch (data[0]) {
 451         case MBS_COMMAND_COMPLETE:
 452                 /*
 453                  * Driver must validate login state - If PRLI not complete,
 454                  * force a relogin attempt via implicit LOGO, PLOGI, and PRLI
 455                  * requests.
 456                  */
 457                 rval = qla2x00_get_port_database(vha, fcport, 0);
 458                 if (rval == QLA_NOT_LOGGED_IN) {
 459                         fcport->flags &= ~FCF_ASYNC_SENT;
 460                         fcport->flags |= FCF_LOGIN_NEEDED;
 461                         set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
 462                         break;
 463                 }
 464
 465                 if (rval != QLA_SUCCESS) {
 466                         qla2x00_post_async_logout_work(vha, fcport, NULL);
 467                         qla2x00_post_async_login_work(vha, fcport, NULL);
 468                         break;
 469                 }
 470                 if (fcport->flags & FCF_FCP2_DEVICE) {
 471                         qla2x00_post_async_adisc_work(vha, fcport, data);
 472                         break;
 473                 }
 474                 qla2x00_update_fcport(vha, fcport);
 475                 break;
 476         case MBS_COMMAND_ERROR:
 477                 fcport->flags &= ~FCF_ASYNC_SENT;
 478                 if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
 479                         set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
 480                 else
 481                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
 482                 break;
 483         case MBS_PORT_ID_USED:
 484                 fcport->loop_id = data[1];
 485                 qla2x00_post_async_logout_work(vha, fcport, NULL);
 486                 qla2x00_post_async_login_work(vha, fcport, NULL);
 487                 break;
 488         case MBS_LOOP_ID_USED:
 489                 fcport->loop_id++;
 490                 rval = qla2x00_find_new_loop_id(vha, fcport);
 491                 if (rval != QLA_SUCCESS) {
 492                         fcport->flags &= ~FCF_ASYNC_SENT;
 493                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
 494                         break;
 495                 }
 496                 qla2x00_post_async_login_work(vha, fcport, NULL);
 497                 break;
 498         }
 499         return;
 500 }
 501
 502 void
 503 qla2x00_async_logout_done(struct scsi_qla_host *vha, fc_port_t *fcport,
 504     uint16_t *data)
 505 {
 506         /* Don't re-login in target mode */
 507         if (!fcport->tgt_session)
 508                 qla2x00_mark_device_lost(vha, fcport, 1, 0);
 509         qlt_logo_completion_handler(fcport, data[0]);
 510         return;
 511 }
 512
 513 void
 514 qla2x00_async_adisc_done(struct scsi_qla_host *vha, fc_port_t *fcport,
 515     uint16_t *data)
 516 {
 517         if (data[0] == MBS_COMMAND_COMPLETE) {
 518                 qla2x00_update_fcport(vha, fcport);
 519
 520                 return;
 521         }
 522
 523         /* Retry login. */
 524         fcport->flags &= ~FCF_ASYNC_SENT;
 525         if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
 526                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
 527         else
 528                 qla2x00_mark_device_lost(vha, fcport, 1, 0);
 529
 530         return;
 531 }
 532
 533 /****************************************************************************/
 534 /*                QLogic ISP2x00 Hardware Support Functions.                */
 535 /****************************************************************************/
 536
 537 static int
 538 qla83xx_nic_core_fw_load(scsi_qla_host_t *vha)
 539 {
 540         int rval = QLA_SUCCESS;
 541         struct qla_hw_data *ha = vha->hw;
 542         uint32_t idc_major_ver, idc_minor_ver;
 543         uint16_t config[4];
 544
 545         qla83xx_idc_lock(vha, 0);
 546
 547         /* SV: TODO: Assign initialization timeout from
 548          * flash-info / other param
 549          */
 550         ha->fcoe_dev_init_timeout = QLA83XX_IDC_INITIALIZATION_TIMEOUT;
 551         ha->fcoe_reset_timeout = QLA83XX_IDC_RESET_ACK_TIMEOUT;
 552
 553         /* Set our fcoe function presence */
 554         if (__qla83xx_set_drv_presence(vha) != QLA_SUCCESS) {
 555                 ql_dbg(ql_dbg_p3p, vha, 0xb077,
 556                     "Error while setting DRV-Presence.\n");
 557                 rval = QLA_FUNCTION_FAILED;
 558                 goto exit;
 559         }
 560
 561         /* Decide the reset ownership */
 562         qla83xx_reset_ownership(vha);
 563
 564         /*
 565          * On first protocol driver load:
 566          * Init-Owner: Set IDC-Major-Version and Clear IDC-Lock-Recovery
 567          * register.
 568          * Others: Check compatibility with current IDC Major version.
 569          */
 570         qla83xx_rd_reg(vha, QLA83XX_IDC_MAJOR_VERSION, &idc_major_ver);
 571         if (ha->flags.nic_core_reset_owner) {
 572                 /* Set IDC Major version */
 573                 idc_major_ver = QLA83XX_SUPP_IDC_MAJOR_VERSION;
 574                 qla83xx_wr_reg(vha, QLA83XX_IDC_MAJOR_VERSION, idc_major_ver);
 575
 576                 /* Clearing IDC-Lock-Recovery register */
 577                 qla83xx_wr_reg(vha, QLA83XX_IDC_LOCK_RECOVERY, 0);
 578         } else if (idc_major_ver != QLA83XX_SUPP_IDC_MAJOR_VERSION) {
 579                 /*
 580                  * Clear further IDC participation if we are not compatible with
 581                  * the current IDC Major Version.
 582                  */
 583                 ql_log(ql_log_warn, vha, 0xb07d,
 584                     "Failing load, idc_major_ver=%d, expected_major_ver=%d.\n",
 585                     idc_major_ver, QLA83XX_SUPP_IDC_MAJOR_VERSION);
 586                 __qla83xx_clear_drv_presence(vha);
 587                 rval = QLA_FUNCTION_FAILED;
 588                 goto exit;
 589         }
 590         /* Each function sets its supported Minor version. */
 591         qla83xx_rd_reg(vha, QLA83XX_IDC_MINOR_VERSION, &idc_minor_ver);
 592         idc_minor_ver |= (QLA83XX_SUPP_IDC_MINOR_VERSION << (ha->portnum * 2));
 593         qla83xx_wr_reg(vha, QLA83XX_IDC_MINOR_VERSION, idc_minor_ver);
 594
 595         if (ha->flags.nic_core_reset_owner) {
 596                 memset(config, 0, sizeof(config));
 597                 if (!qla81xx_get_port_config(vha, config))
 598                         qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
 599                             QLA8XXX_DEV_READY);
 600         }
 601
 602         rval = qla83xx_idc_state_handler(vha);
 603
 604 exit:
 605         qla83xx_idc_unlock(vha, 0);
 606
 607         return rval;
 608 }
 609
 610 /*
 611 * qla2x00_initialize_adapter
 612 *      Initialize board.
 613 *
 614 * Input:
 615 *      ha = adapter block pointer.
 616 *
 617 * Returns:
 618 *      0 = success
 619 */
 620 int
 621 qla2x00_initialize_adapter(scsi_qla_host_t *vha)
 622 {
 623         int     rval;
 624         struct qla_hw_data *ha = vha->hw;
 625         struct req_que *req = ha->req_q_map[0];
 626
 627         memset(&vha->qla_stats, 0, sizeof(vha->qla_stats));
 628         memset(&vha->fc_host_stat, 0, sizeof(vha->fc_host_stat));
 629
 630         /* Clear adapter flags. */
 631         vha->flags.online = 0;
 632         ha->flags.chip_reset_done = 0;
 633         vha->flags.reset_active = 0;
 634         ha->flags.pci_channel_io_perm_failure = 0;
 635         ha->flags.eeh_busy = 0;
 636         vha->qla_stats.jiffies_at_last_reset = get_jiffies_64();
 637         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
 638         atomic_set(&vha->loop_state, LOOP_DOWN);
 639         vha->device_flags = DFLG_NO_CABLE;
 640         vha->dpc_flags = 0;
 641         vha->flags.management_server_logged_in = 0;
 642         vha->marker_needed = 0;
 643         ha->isp_abort_cnt = 0;
 644         ha->beacon_blink_led = 0;
 645
 646         set_bit(0, ha->req_qid_map);
 647         set_bit(0, ha->rsp_qid_map);
 648
 649         ql_dbg(ql_dbg_init, vha, 0x0040,
 650             "Configuring PCI space...\n");
 651         rval = ha->isp_ops->pci_config(vha);
 652         if (rval) {
 653                 ql_log(ql_log_warn, vha, 0x0044,
 654                     "Unable to configure PCI space.\n");
 655                 return (rval);
 656         }
 657
 658         ha->isp_ops->reset_chip(vha);
 659
 660         rval = qla2xxx_get_flash_info(vha);
 661         if (rval) {
 662                 ql_log(ql_log_fatal, vha, 0x004f,
 663                     "Unable to validate FLASH data.\n");
 664                 return rval;
 665         }
 666
 667         if (IS_QLA8044(ha)) {
 668                 qla8044_read_reset_template(vha);
 669
 670                 /* NOTE: If ql2xdontresethba==1, set IDC_CTRL DONTRESET_BIT0.
 671                  * If DONRESET_BIT0 is set, drivers should not set dev_state
 672                  * to NEED_RESET. But if NEED_RESET is set, drivers should
 673                  * should honor the reset. */
 674                 if (ql2xdontresethba == 1)
 675                         qla8044_set_idc_dontreset(vha);
 676         }
 677
 678         ha->isp_ops->get_flash_version(vha, req->ring);
 679         ql_dbg(ql_dbg_init, vha, 0x0061,
 680             "Configure NVRAM parameters...\n");
 681
 682         ha->isp_ops->nvram_config(vha);
 683
 684         if (ha->flags.disable_serdes) {
 685                 /* Mask HBA via NVRAM settings? */
 686                 ql_log(ql_log_info, vha, 0x0077,
 687                     "Masking HBA WWPN %8phN (via NVRAM).\n", vha->port_name);
 688                 return QLA_FUNCTION_FAILED;
 689         }
 690
 691         ql_dbg(ql_dbg_init, vha, 0x0078,
 692             "Verifying loaded RISC code...\n");
 693
 694         if (qla2x00_isp_firmware(vha) != QLA_SUCCESS) {
 695                 rval = ha->isp_ops->chip_diag(vha);
 696                 if (rval)
 697                         return (rval);
 698                 rval = qla2x00_setup_chip(vha);
 699                 if (rval)
 700                         return (rval);
 701         }
 702
 703         if (IS_QLA84XX(ha)) {
 704                 ha->cs84xx = qla84xx_get_chip(vha);
 705                 if (!ha->cs84xx) {
 706                         ql_log(ql_log_warn, vha, 0x00d0,
 707                             "Unable to configure ISP84XX.\n");
 708                         return QLA_FUNCTION_FAILED;
 709                 }
 710         }
 711
 712         if (qla_ini_mode_enabled(vha))
 713                 rval = qla2x00_init_rings(vha);
 714
 715         ha->flags.chip_reset_done = 1;
 716
 717         if (rval == QLA_SUCCESS && IS_QLA84XX(ha)) {
 718                 /* Issue verify 84xx FW IOCB to complete 84xx initialization */
 719                 rval = qla84xx_init_chip(vha);
 720                 if (rval != QLA_SUCCESS) {
 721                         ql_log(ql_log_warn, vha, 0x00d4,
 722                             "Unable to initialize ISP84XX.\n");
 723                         qla84xx_put_chip(vha);
 724                 }
 725         }
 726
 727         /* Load the NIC Core f/w if we are the first protocol driver. */
 728         if (IS_QLA8031(ha)) {
 729                 rval = qla83xx_nic_core_fw_load(vha);
 730                 if (rval)
 731                         ql_log(ql_log_warn, vha, 0x0124,
 732                             "Error in initializing NIC Core f/w.\n");
 733         }
 734
 735         if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha))
 736                 qla24xx_read_fcp_prio_cfg(vha);
 737
 738         if (IS_P3P_TYPE(ha))
 739                 qla82xx_set_driver_version(vha, QLA2XXX_VERSION);
 740         else
 741                 qla25xx_set_driver_version(vha, QLA2XXX_VERSION);
 742
 743         return (rval);
 744 }
 745
 746 /**
 747  * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
 748  * @ha: HA context
 749  *
 750  * Returns 0 on success.
 751  */
 752 int
 753 qla2100_pci_config(scsi_qla_host_t *vha)
 754 {
 755         uint16_t w;
 756         unsigned long flags;
 757         struct qla_hw_data *ha = vha->hw;
 758         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 759
 760         pci_set_master(ha->pdev);
 761         pci_try_set_mwi(ha->pdev);
 762
 763         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 764         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 765         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 766
 767         pci_disable_rom(ha->pdev);
 768
 769         /* Get PCI bus information. */
 770         spin_lock_irqsave(&ha->hardware_lock, flags);
 771         ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
 772         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 773
 774         return QLA_SUCCESS;
 775 }
 776
 777 /**
 778  * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
 779  * @ha: HA context
 780  *
 781  * Returns 0 on success.
 782  */
 783 int
 784 qla2300_pci_config(scsi_qla_host_t *vha)
 785 {
 786         uint16_t        w;
 787         unsigned long   flags = 0;
 788         uint32_t        cnt;
 789         struct qla_hw_data *ha = vha->hw;
 790         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 791
 792         pci_set_master(ha->pdev);
 793         pci_try_set_mwi(ha->pdev);
 794
 795         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 796         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 797
 798         if (IS_QLA2322(ha) || IS_QLA6322(ha))
 799                 w &= ~PCI_COMMAND_INTX_DISABLE;
 800         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 801
 802         /*
 803          * If this is a 2300 card and not 2312, reset the
 804          * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
 805          * the 2310 also reports itself as a 2300 so we need to get the
 806          * fb revision level -- a 6 indicates it really is a 2300 and
 807          * not a 2310.
 808          */
 809         if (IS_QLA2300(ha)) {
 810                 spin_lock_irqsave(&ha->hardware_lock, flags);
 811
 812                 /* Pause RISC. */
 813                 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
 814                 for (cnt = 0; cnt < 30000; cnt++) {
 815                         if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
 816                                 break;
 817
 818                         udelay(10);
 819                 }
 820
 821                 /* Select FPM registers. */
 822                 WRT_REG_WORD(&reg->ctrl_status, 0x20);
 823                 RD_REG_WORD(&reg->ctrl_status);
 824
 825                 /* Get the fb rev level */
 826                 ha->fb_rev = RD_FB_CMD_REG(ha, reg);
 827
 828                 if (ha->fb_rev == FPM_2300)
 829                         pci_clear_mwi(ha->pdev);
 830
 831                 /* Deselect FPM registers. */
 832                 WRT_REG_WORD(&reg->ctrl_status, 0x0);
 833                 RD_REG_WORD(&reg->ctrl_status);
 834
 835                 /* Release RISC module. */
 836                 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
 837                 for (cnt = 0; cnt < 30000; cnt++) {
 838                         if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
 839                                 break;
 840
 841                         udelay(10);
 842                 }
 843
 844                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
 845         }
 846
 847         pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
 848
 849         pci_disable_rom(ha->pdev);
 850
 851         /* Get PCI bus information. */
 852         spin_lock_irqsave(&ha->hardware_lock, flags);
 853         ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
 854         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 855
 856         return QLA_SUCCESS;
 857 }
 858
 859 /**
 860  * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
 861  * @ha: HA context
 862  *
 863  * Returns 0 on success.
 864  */
 865 int
 866 qla24xx_pci_config(scsi_qla_host_t *vha)
 867 {
 868         uint16_t w;
 869         unsigned long flags = 0;
 870         struct qla_hw_data *ha = vha->hw;
 871         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
 872
 873         pci_set_master(ha->pdev);
 874         pci_try_set_mwi(ha->pdev);
 875
 876         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 877         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 878         w &= ~PCI_COMMAND_INTX_DISABLE;
 879         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 880
 881         pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
 882
 883         /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
 884         if (pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX))
 885                 pcix_set_mmrbc(ha->pdev, 2048);
 886
 887         /* PCIe -- adjust Maximum Read Request Size (2048). */
 888         if (pci_is_pcie(ha->pdev))
 889                 pcie_set_readrq(ha->pdev, 4096);
 890
 891         pci_disable_rom(ha->pdev);
 892
 893         ha->chip_revision = ha->pdev->revision;
 894
 895         /* Get PCI bus information. */
 896         spin_lock_irqsave(&ha->hardware_lock, flags);
 897         ha->pci_attr = RD_REG_DWORD(&reg->ctrl_status);
 898         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 899
 900         return QLA_SUCCESS;
 901 }
 902
 903 /**
 904  * qla25xx_pci_config() - Setup ISP25xx PCI configuration registers.
 905  * @ha: HA context
 906  *
 907  * Returns 0 on success.
 908  */
 909 int
 910 qla25xx_pci_config(scsi_qla_host_t *vha)
 911 {
 912         uint16_t w;
 913         struct qla_hw_data *ha = vha->hw;
 914
 915         pci_set_master(ha->pdev);
 916         pci_try_set_mwi(ha->pdev);
 917
 918         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
 919         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
 920         w &= ~PCI_COMMAND_INTX_DISABLE;
 921         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
 922
 923         /* PCIe -- adjust Maximum Read Request Size (2048). */
 924         if (pci_is_pcie(ha->pdev))
 925                 pcie_set_readrq(ha->pdev, 4096);
 926
 927         pci_disable_rom(ha->pdev);
 928
 929         ha->chip_revision = ha->pdev->revision;
 930
 931         return QLA_SUCCESS;
 932 }
 933
 934 /**
 935  * qla2x00_isp_firmware() - Choose firmware image.
 936  * @ha: HA context
 937  *
 938  * Returns 0 on success.
 939  */
 940 static int
 941 qla2x00_isp_firmware(scsi_qla_host_t *vha)
 942 {
 943         int  rval;
 944         uint16_t loop_id, topo, sw_cap;
 945         uint8_t domain, area, al_pa;
 946         struct qla_hw_data *ha = vha->hw;
 947
 948         /* Assume loading risc code */
 949         rval = QLA_FUNCTION_FAILED;
 950
 951         if (ha->flags.disable_risc_code_load) {
 952                 ql_log(ql_log_info, vha, 0x0079, "RISC CODE NOT loaded.\n");
 953
 954                 /* Verify checksum of loaded RISC code. */
 955                 rval = qla2x00_verify_checksum(vha, ha->fw_srisc_address);
 956                 if (rval == QLA_SUCCESS) {
 957                         /* And, verify we are not in ROM code. */
 958                         rval = qla2x00_get_adapter_id(vha, &loop_id, &al_pa,
 959                             &area, &domain, &topo, &sw_cap);
 960                 }
 961         }
 962
 963         if (rval)
 964                 ql_dbg(ql_dbg_init, vha, 0x007a,
 965                     "**** Load RISC code ****.\n");
 966
 967         return (rval);
 968 }
 969
 970 /**
 971  * qla2x00_reset_chip() - Reset ISP chip.
 972  * @ha: HA context
 973  *
 974  * Returns 0 on success.
 975  */
 976 void
 977 qla2x00_reset_chip(scsi_qla_host_t *vha)
 978 {
 979         unsigned long   flags = 0;
 980         struct qla_hw_data *ha = vha->hw;
 981         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 982         uint32_t        cnt;
 983         uint16_t        cmd;
 984
 985         if (unlikely(pci_channel_offline(ha->pdev)))
 986                 return;
 987
 988         ha->isp_ops->disable_intrs(ha);
 989
 990         spin_lock_irqsave(&ha->hardware_lock, flags);
 991
 992         /* Turn off master enable */
 993         cmd = 0;
 994         pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
 995         cmd &= ~PCI_COMMAND_MASTER;
 996         pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
 997
 998         if (!IS_QLA2100(ha)) {
 999                 /* Pause RISC. */
1000                 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
1001                 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
1002                         for (cnt = 0; cnt < 30000; cnt++) {
1003                                 if ((RD_REG_WORD(&reg->hccr) &
1004                                     HCCR_RISC_PAUSE) != 0)
1005                                         break;
1006                                 udelay(100);
1007                         }
1008                 } else {
1009                         RD_REG_WORD(&reg->hccr);        /* PCI Posting. */
1010                         udelay(10);
1011                 }
1012
1013                 /* Select FPM registers. */
1014                 WRT_REG_WORD(&reg->ctrl_status, 0x20);
1015                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
1016
1017                 /* FPM Soft Reset. */
1018                 WRT_REG_WORD(&reg->fpm_diag_config, 0x100);
1019                 RD_REG_WORD(&reg->fpm_diag_config);     /* PCI Posting. */
1020
1021                 /* Toggle Fpm Reset. */
1022                 if (!IS_QLA2200(ha)) {
1023                         WRT_REG_WORD(&reg->fpm_diag_config, 0x0);
1024                         RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
1025                 }
1026
1027                 /* Select frame buffer registers. */
1028                 WRT_REG_WORD(&reg->ctrl_status, 0x10);
1029                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
1030
1031                 /* Reset frame buffer FIFOs. */
1032                 if (IS_QLA2200(ha)) {
1033                         WRT_FB_CMD_REG(ha, reg, 0xa000);
1034                         RD_FB_CMD_REG(ha, reg);         /* PCI Posting. */
1035                 } else {
1036                         WRT_FB_CMD_REG(ha, reg, 0x00fc);
1037
1038                         /* Read back fb_cmd until zero or 3 seconds max */
1039                         for (cnt = 0; cnt < 3000; cnt++) {
1040                                 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
1041                                         break;
1042                                 udelay(100);
1043                         }
1044                 }
1045
1046                 /* Select RISC module registers. */
1047                 WRT_REG_WORD(&reg->ctrl_status, 0);
1048                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
1049
1050                 /* Reset RISC processor. */
1051                 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
1052                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
1053
1054                 /* Release RISC processor. */
1055                 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
1056                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
1057         }
1058
1059         WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
1060         WRT_REG_WORD(&reg->hccr, HCCR_CLR_HOST_INT);
1061
1062         /* Reset ISP chip. */
1063         WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
1064
1065         /* Wait for RISC to recover from reset. */
1066         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
1067                 /*
1068                  * It is necessary to for a delay here since the card doesn't
1069                  * respond to PCI reads during a reset. On some architectures
1070                  * this will result in an MCA.
1071                  */
1072                 udelay(20);
1073                 for (cnt = 30000; cnt; cnt--) {
1074                         if ((RD_REG_WORD(&reg->ctrl_status) &
1075                             CSR_ISP_SOFT_RESET) == 0)
1076                                 break;
1077                         udelay(100);
1078                 }
1079         } else
1080                 udelay(10);
1081
1082         /* Reset RISC processor. */
1083         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
1084
1085         WRT_REG_WORD(&reg->semaphore, 0);
1086
1087         /* Release RISC processor. */
1088         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
1089         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
1090
1091         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
1092                 for (cnt = 0; cnt < 30000; cnt++) {
1093                         if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY)
1094                                 break;
1095
1096                         udelay(100);
1097                 }
1098         } else
1099                 udelay(100);
1100
1101         /* Turn on master enable */
1102         cmd |= PCI_COMMAND_MASTER;
1103         pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
1104
1105         /* Disable RISC pause on FPM parity error. */
1106         if (!IS_QLA2100(ha)) {
1107                 WRT_REG_WORD(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
1108                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
1109         }
1110
1111         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1112 }
1113
1114 /**
1115  * qla81xx_reset_mpi() - Reset's MPI FW via Write MPI Register MBC.
1116  *
1117  * Returns 0 on success.
1118  */
1119 static int
1120 qla81xx_reset_mpi(scsi_qla_host_t *vha)
1121 {
1122         uint16_t mb[4] = {0x1010, 0, 1, 0};
1123
1124         if (!IS_QLA81XX(vha->hw))
1125                 return QLA_SUCCESS;
1126
1127         return qla81xx_write_mpi_register(vha, mb);
1128 }
1129
1130 /**
1131  * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
1132  * @ha: HA context
1133  *
1134  * Returns 0 on success.
1135  */
1136 static inline int
1137 qla24xx_reset_risc(scsi_qla_host_t *vha)
1138 {
1139         unsigned long flags = 0;
1140         struct qla_hw_data *ha = vha->hw;
1141         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1142         uint32_t cnt;
1143         uint16_t wd;
1144         static int abts_cnt; /* ISP abort retry counts */
1145         int rval = QLA_SUCCESS;
1146
1147         spin_lock_irqsave(&ha->hardware_lock, flags);
1148
1149         /* Reset RISC. */
1150         WRT_REG_DWORD(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
1151         for (cnt = 0; cnt < 30000; cnt++) {
1152                 if ((RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
1153                         break;
1154
1155                 udelay(10);
1156         }
1157
1158         if (!(RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE))
1159                 set_bit(DMA_SHUTDOWN_CMPL, &ha->fw_dump_cap_flags);
1160
1161         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x017e,
1162             "HCCR: 0x%x, Control Status %x, DMA active status:0x%x\n",
1163             RD_REG_DWORD(&reg->hccr),
1164             RD_REG_DWORD(&reg->ctrl_status),
1165             (RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE));
1166
1167         WRT_REG_DWORD(&reg->ctrl_status,
1168             CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
1169         pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
1170
1171         udelay(100);
1172
1173         /* Wait for firmware to complete NVRAM accesses. */
1174         RD_REG_WORD(&reg->mailbox0);
1175         for (cnt = 10000; RD_REG_WORD(&reg->mailbox0) != 0 &&
1176             rval == QLA_SUCCESS; cnt--) {
1177                 barrier();
1178                 if (cnt)
1179                         udelay(5);
1180                 else
1181                         rval = QLA_FUNCTION_TIMEOUT;
1182         }
1183
1184         if (rval == QLA_SUCCESS)
1185                 set_bit(ISP_MBX_RDY, &ha->fw_dump_cap_flags);
1186
1187         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x017f,
1188             "HCCR: 0x%x, MailBox0 Status 0x%x\n",
1189             RD_REG_DWORD(&reg->hccr),
1190             RD_REG_DWORD(&reg->mailbox0));
1191
1192         /* Wait for soft-reset to complete. */
1193         RD_REG_DWORD(&reg->ctrl_status);
1194         for (cnt = 0; cnt < 6000000; cnt++) {
1195                 barrier();
1196                 if ((RD_REG_DWORD(&reg->ctrl_status) &
1197                     CSRX_ISP_SOFT_RESET) == 0)
1198                         break;
1199
1200                 udelay(5);
1201         }
1202         if (!(RD_REG_DWORD(&reg->ctrl_status) & CSRX_ISP_SOFT_RESET))
1203                 set_bit(ISP_SOFT_RESET_CMPL, &ha->fw_dump_cap_flags);
1204
1205         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015d,
1206             "HCCR: 0x%x, Soft Reset status: 0x%x\n",
1207             RD_REG_DWORD(&reg->hccr),
1208             RD_REG_DWORD(&reg->ctrl_status));
1209
1210         /* If required, do an MPI FW reset now */
1211         if (test_and_clear_bit(MPI_RESET_NEEDED, &vha->dpc_flags)) {
1212                 if (qla81xx_reset_mpi(vha) != QLA_SUCCESS) {
1213                         if (++abts_cnt < 5) {
1214                                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1215                                 set_bit(MPI_RESET_NEEDED, &vha->dpc_flags);
1216                         } else {
1217                                 /*
1218                                  * We exhausted the ISP abort retries. We have to
1219                                  * set the board offline.
1220                                  */
1221                                 abts_cnt = 0;
1222                                 vha->flags.online = 0;
1223                         }
1224                 }
1225         }
1226
1227         WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
1228         RD_REG_DWORD(&reg->hccr);
1229
1230         WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
1231         RD_REG_DWORD(&reg->hccr);
1232
1233         WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
1234         RD_REG_DWORD(&reg->hccr);
1235
1236         RD_REG_WORD(&reg->mailbox0);
1237         for (cnt = 6000000; RD_REG_WORD(&reg->mailbox0) != 0 &&
1238             rval == QLA_SUCCESS; cnt--) {
1239                 barrier();
1240                 if (cnt)
1241                         udelay(5);
1242                 else
1243                         rval = QLA_FUNCTION_TIMEOUT;
1244         }
1245         if (rval == QLA_SUCCESS)
1246                 set_bit(RISC_RDY_AFT_RESET, &ha->fw_dump_cap_flags);
1247
1248         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015e,
1249             "Host Risc 0x%x, mailbox0 0x%x\n",
1250             RD_REG_DWORD(&reg->hccr),
1251              RD_REG_WORD(&reg->mailbox0));
1252
1253         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1254
1255         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015f,
1256             "Driver in %s mode\n",
1257             IS_NOPOLLING_TYPE(ha) ? "Interrupt" : "Polling");
1258
1259         if (IS_NOPOLLING_TYPE(ha))
1260                 ha->isp_ops->enable_intrs(ha);
1261
1262         return rval;
1263 }
1264
1265 static void
1266 qla25xx_read_risc_sema_reg(scsi_qla_host_t *vha, uint32_t *data)
1267 {
1268         struct device_reg_24xx __iomem *reg = &vha->hw->iobase->isp24;
1269
1270         WRT_REG_DWORD(&reg->iobase_addr, RISC_REGISTER_BASE_OFFSET);
1271         *data = RD_REG_DWORD(&reg->iobase_window + RISC_REGISTER_WINDOW_OFFET);
1272
1273 }
1274
1275 static void
1276 qla25xx_write_risc_sema_reg(scsi_qla_host_t *vha, uint32_t data)
1277 {
1278         struct device_reg_24xx __iomem *reg = &vha->hw->iobase->isp24;
1279
1280         WRT_REG_DWORD(&reg->iobase_addr, RISC_REGISTER_BASE_OFFSET);
1281         WRT_REG_DWORD(&reg->iobase_window + RISC_REGISTER_WINDOW_OFFET, data);
1282 }
1283
1284 static void
1285 qla25xx_manipulate_risc_semaphore(scsi_qla_host_t *vha)
1286 {
1287         uint32_t wd32 = 0;
1288         uint delta_msec = 100;
1289         uint elapsed_msec = 0;
1290         uint timeout_msec;
1291         ulong n;
1292
1293         if (vha->hw->pdev->subsystem_device != 0x0175 &&
1294             vha->hw->pdev->subsystem_device != 0x0240)
1295                 return;
1296
1297         WRT_REG_DWORD(&vha->hw->iobase->isp24.hccr, HCCRX_SET_RISC_PAUSE);
1298         udelay(100);
1299
1300 attempt:
1301         timeout_msec = TIMEOUT_SEMAPHORE;
1302         n = timeout_msec / delta_msec;
1303         while (n--) {
1304                 qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_SET);
1305                 qla25xx_read_risc_sema_reg(vha, &wd32);
1306                 if (wd32 & RISC_SEMAPHORE)
1307                         break;
1308                 msleep(delta_msec);
1309                 elapsed_msec += delta_msec;
1310                 if (elapsed_msec > TIMEOUT_TOTAL_ELAPSED)
1311                         goto force;
1312         }
1313
1314         if (!(wd32 & RISC_SEMAPHORE))
1315                 goto force;
1316
1317         if (!(wd32 & RISC_SEMAPHORE_FORCE))
1318                 goto acquired;
1319
1320         qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_CLR);
1321         timeout_msec = TIMEOUT_SEMAPHORE_FORCE;
1322         n = timeout_msec / delta_msec;
1323         while (n--) {
1324                 qla25xx_read_risc_sema_reg(vha, &wd32);
1325                 if (!(wd32 & RISC_SEMAPHORE_FORCE))
1326                         break;
1327                 msleep(delta_msec);
1328                 elapsed_msec += delta_msec;
1329                 if (elapsed_msec > TIMEOUT_TOTAL_ELAPSED)
1330                         goto force;
1331         }
1332
1333         if (wd32 & RISC_SEMAPHORE_FORCE)
1334                 qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_FORCE_CLR);
1335
1336         goto attempt;
1337
1338 force:
1339         qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_FORCE_SET);
1340
1341 acquired:
1342         return;
1343 }
1344
1345 /**
1346  * qla24xx_reset_chip() - Reset ISP24xx chip.
1347  * @ha: HA context
1348  *
1349  * Returns 0 on success.
1350  */
1351 void
1352 qla24xx_reset_chip(scsi_qla_host_t *vha)
1353 {
1354         struct qla_hw_data *ha = vha->hw;
1355
1356         if (pci_channel_offline(ha->pdev) &&
1357             ha->flags.pci_channel_io_perm_failure) {
1358                 return;
1359         }
1360
1361         ha->isp_ops->disable_intrs(ha);
1362
1363         qla25xx_manipulate_risc_semaphore(vha);
1364
1365         /* Perform RISC reset. */
1366         qla24xx_reset_risc(vha);
1367 }
1368
1369 /**
1370  * qla2x00_chip_diag() - Test chip for proper operation.
1371  * @ha: HA context
1372  *
1373  * Returns 0 on success.
1374  */
1375 int
1376 qla2x00_chip_diag(scsi_qla_host_t *vha)
1377 {
1378         int             rval;
1379         struct qla_hw_data *ha = vha->hw;
1380         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1381         unsigned long   flags = 0;
1382         uint16_t        data;
1383         uint32_t        cnt;
1384         uint16_t        mb[5];
1385         struct req_que *req = ha->req_q_map[0];
1386
1387         /* Assume a failed state */
1388         rval = QLA_FUNCTION_FAILED;
1389
1390         ql_dbg(ql_dbg_init, vha, 0x007b,
1391             "Testing device at %lx.\n", (u_long)&reg->flash_address);
1392
1393         spin_lock_irqsave(&ha->hardware_lock, flags);
1394
1395         /* Reset ISP chip. */
1396         WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
1397
1398         /*
1399          * We need to have a delay here since the card will not respond while
1400          * in reset causing an MCA on some architectures.
1401          */
1402         udelay(20);
1403         data = qla2x00_debounce_register(&reg->ctrl_status);
1404         for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
1405                 udelay(5);
1406                 data = RD_REG_WORD(&reg->ctrl_status);
1407                 barrier();
1408         }
1409
1410         if (!cnt)
1411                 goto chip_diag_failed;
1412
1413         ql_dbg(ql_dbg_init, vha, 0x007c,
1414             "Reset register cleared by chip reset.\n");
1415
1416         /* Reset RISC processor. */
1417         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
1418         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
1419
1420         /* Workaround for QLA2312 PCI parity error */
1421         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
1422                 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
1423                 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
1424                         udelay(5);
1425                         data = RD_MAILBOX_REG(ha, reg, 0);
1426                         barrier();
1427                 }
1428         } else
1429                 udelay(10);
1430
1431         if (!cnt)
1432                 goto chip_diag_failed;
1433
1434         /* Check product ID of chip */
1435         ql_dbg(ql_dbg_init, vha, 0x007d, "Checking product Id of chip.\n");
1436
1437         mb[1] = RD_MAILBOX_REG(ha, reg, 1);
1438         mb[2] = RD_MAILBOX_REG(ha, reg, 2);
1439         mb[3] = RD_MAILBOX_REG(ha, reg, 3);
1440         mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
1441         if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
1442             mb[3] != PROD_ID_3) {
1443                 ql_log(ql_log_warn, vha, 0x0062,
1444                     "Wrong product ID = 0x%x,0x%x,0x%x.\n",
1445                     mb[1], mb[2], mb[3]);
1446
1447                 goto chip_diag_failed;
1448         }
1449         ha->product_id[0] = mb[1];
1450         ha->product_id[1] = mb[2];
1451         ha->product_id[2] = mb[3];
1452         ha->product_id[3] = mb[4];
1453
1454         /* Adjust fw RISC transfer size */
1455         if (req->length > 1024)
1456                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
1457         else
1458                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
1459                     req->length;
1460
1461         if (IS_QLA2200(ha) &&
1462             RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
1463                 /* Limit firmware transfer size with a 2200A */
1464                 ql_dbg(ql_dbg_init, vha, 0x007e, "Found QLA2200A Chip.\n");
1465
1466                 ha->device_type |= DT_ISP2200A;
1467                 ha->fw_transfer_size = 128;
1468         }
1469
1470         /* Wrap Incoming Mailboxes Test. */
1471         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1472
1473         ql_dbg(ql_dbg_init, vha, 0x007f, "Checking mailboxes.\n");
1474         rval = qla2x00_mbx_reg_test(vha);
1475         if (rval)
1476                 ql_log(ql_log_warn, vha, 0x0080,
1477                     "Failed mailbox send register test.\n");
1478         else
1479                 /* Flag a successful rval */
1480                 rval = QLA_SUCCESS;
1481         spin_lock_irqsave(&ha->hardware_lock, flags);
1482
1483 chip_diag_failed:
1484         if (rval)
1485                 ql_log(ql_log_info, vha, 0x0081,
1486                     "Chip diagnostics **** FAILED ****.\n");
1487
1488         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1489
1490         return (rval);
1491 }
1492
1493 /**
1494  * qla24xx_chip_diag() - Test ISP24xx for proper operation.
1495  * @ha: HA context
1496  *
1497  * Returns 0 on success.
1498  */
1499 int
1500 qla24xx_chip_diag(scsi_qla_host_t *vha)
1501 {
1502         int rval;
1503         struct qla_hw_data *ha = vha->hw;
1504         struct req_que *req = ha->req_q_map[0];
1505
1506         if (IS_P3P_TYPE(ha))
1507                 return QLA_SUCCESS;
1508
1509         ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;
1510
1511         rval = qla2x00_mbx_reg_test(vha);
1512         if (rval) {
1513                 ql_log(ql_log_warn, vha, 0x0082,
1514                     "Failed mailbox send register test.\n");
1515         } else {
1516                 /* Flag a successful rval */
1517                 rval = QLA_SUCCESS;
1518         }
1519
1520         return rval;
1521 }
1522
1523 void
1524 qla2x00_alloc_fw_dump(scsi_qla_host_t *vha)
1525 {
1526         int rval;
1527         uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
1528             eft_size, fce_size, mq_size;
1529         dma_addr_t tc_dma;
1530         void *tc;
1531         struct qla_hw_data *ha = vha->hw;
1532         struct req_que *req = ha->req_q_map[0];
1533         struct rsp_que *rsp = ha->rsp_q_map[0];
1534
1535         if (ha->fw_dump) {
1536                 ql_dbg(ql_dbg_init, vha, 0x00bd,
1537                     "Firmware dump already allocated.\n");
1538                 return;
1539         }
1540
1541         ha->fw_dumped = 0;
1542         ha->fw_dump_cap_flags = 0;
1543         dump_size = fixed_size = mem_size = eft_size = fce_size = mq_size = 0;
1544         req_q_size = rsp_q_size = 0;
1545
1546         if (IS_QLA27XX(ha))
1547                 goto try_fce;
1548
1549         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
1550                 fixed_size = sizeof(struct qla2100_fw_dump);
1551         } else if (IS_QLA23XX(ha)) {
1552                 fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
1553                 mem_size = (ha->fw_memory_size - 0x11000 + 1) *
1554                     sizeof(uint16_t);
1555         } else if (IS_FWI2_CAPABLE(ha)) {
1556                 if (IS_QLA83XX(ha) || IS_QLA27XX(ha))
1557                         fixed_size = offsetof(struct qla83xx_fw_dump, ext_mem);
1558                 else if (IS_QLA81XX(ha))
1559                         fixed_size = offsetof(struct qla81xx_fw_dump, ext_mem);
1560                 else if (IS_QLA25XX(ha))
1561                         fixed_size = offsetof(struct qla25xx_fw_dump, ext_mem);
1562                 else
1563                         fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem);
1564
1565                 mem_size = (ha->fw_memory_size - 0x100000 + 1) *
1566                     sizeof(uint32_t);
1567                 if (ha->mqenable) {
1568                         if (!IS_QLA83XX(ha) && !IS_QLA27XX(ha))
1569                                 mq_size = sizeof(struct qla2xxx_mq_chain);
1570                         /*
1571                          * Allocate maximum buffer size for all queues.
1572                          * Resizing must be done at end-of-dump processing.
1573                          */
1574                         mq_size += ha->max_req_queues *
1575                             (req->length * sizeof(request_t));
1576                         mq_size += ha->max_rsp_queues *
1577                             (rsp->length * sizeof(response_t));
1578                 }
1579                 if (ha->tgt.atio_ring)
1580                         mq_size += ha->tgt.atio_q_length * sizeof(request_t);
1581                 /* Allocate memory for Fibre Channel Event Buffer. */
1582                 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) &&
1583                     !IS_QLA27XX(ha))
1584                         goto try_eft;
1585
1586 try_fce:
1587                 if (ha->fce)
1588                         dma_free_coherent(&ha->pdev->dev,
1589                             FCE_SIZE, ha->fce, ha->fce_dma);
1590
1591                 /* Allocate memory for Fibre Channel Event Buffer. */
1592                 tc = dma_zalloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma,
1593                                          GFP_KERNEL);
1594                 if (!tc) {
1595                         ql_log(ql_log_warn, vha, 0x00be,
1596                             "Unable to allocate (%d KB) for FCE.\n",
1597                             FCE_SIZE / 1024);
1598                         goto try_eft;
1599                 }
1600
1601                 rval = qla2x00_enable_fce_trace(vha, tc_dma, FCE_NUM_BUFFERS,
1602                     ha->fce_mb, &ha->fce_bufs);
1603                 if (rval) {
1604                         ql_log(ql_log_warn, vha, 0x00bf,
1605                             "Unable to initialize FCE (%d).\n", rval);
1606                         dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc,
1607                             tc_dma);
1608                         ha->flags.fce_enabled = 0;
1609                         goto try_eft;
1610                 }
1611                 ql_dbg(ql_dbg_init, vha, 0x00c0,
1612                     "Allocate (%d KB) for FCE...\n", FCE_SIZE / 1024);
1613
1614                 fce_size = sizeof(struct qla2xxx_fce_chain) + FCE_SIZE;
1615                 ha->flags.fce_enabled = 1;
1616                 ha->fce_dma = tc_dma;
1617                 ha->fce = tc;
1618
1619 try_eft:
1620                 if (ha->eft)
1621                         dma_free_coherent(&ha->pdev->dev,
1622                             EFT_SIZE, ha->eft, ha->eft_dma);
1623
1624                 /* Allocate memory for Extended Trace Buffer. */
1625                 tc = dma_zalloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma,
1626                                          GFP_KERNEL);
1627                 if (!tc) {
1628                         ql_log(ql_log_warn, vha, 0x00c1,
1629                             "Unable to allocate (%d KB) for EFT.\n",
1630                             EFT_SIZE / 1024);
1631                         goto cont_alloc;
1632                 }
1633
1634                 rval = qla2x00_enable_eft_trace(vha, tc_dma, EFT_NUM_BUFFERS);
1635                 if (rval) {
1636                         ql_log(ql_log_warn, vha, 0x00c2,
1637                             "Unable to initialize EFT (%d).\n", rval);
1638                         dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc,
1639                             tc_dma);
1640                         goto cont_alloc;
1641                 }
1642                 ql_dbg(ql_dbg_init, vha, 0x00c3,
1643                     "Allocated (%d KB) EFT ...\n", EFT_SIZE / 1024);
1644
1645                 eft_size = EFT_SIZE;
1646                 ha->eft_dma = tc_dma;
1647                 ha->eft = tc;
1648         }
1649
1650 cont_alloc:
1651         if (IS_QLA27XX(ha)) {
1652                 if (!ha->fw_dump_template) {
1653                         ql_log(ql_log_warn, vha, 0x00ba,
1654                             "Failed missing fwdump template\n");
1655                         return;
1656                 }
1657                 dump_size = qla27xx_fwdt_calculate_dump_size(vha);
1658                 ql_dbg(ql_dbg_init, vha, 0x00fa,
1659                     "-> allocating fwdump (%x bytes)...\n", dump_size);
1660                 goto allocate;
1661         }
1662
1663         req_q_size = req->length * sizeof(request_t);
1664         rsp_q_size = rsp->length * sizeof(response_t);
1665         dump_size = offsetof(struct qla2xxx_fw_dump, isp);
1666         dump_size += fixed_size + mem_size + req_q_size + rsp_q_size + eft_size;
1667         ha->chain_offset = dump_size;
1668         dump_size += mq_size + fce_size;
1669
1670 allocate:
1671         ha->fw_dump = vmalloc(dump_size);
1672         if (!ha->fw_dump) {
1673                 ql_log(ql_log_warn, vha, 0x00c4,
1674                     "Unable to allocate (%d KB) for firmware dump.\n",
1675                     dump_size / 1024);
1676
1677                 if (ha->fce) {
1678                         dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
1679                             ha->fce_dma);
1680                         ha->fce = NULL;
1681                         ha->fce_dma = 0;
1682                 }
1683
1684                 if (ha->eft) {
1685                         dma_free_coherent(&ha->pdev->dev, eft_size, ha->eft,
1686                             ha->eft_dma);
1687                         ha->eft = NULL;
1688                         ha->eft_dma = 0;
1689                 }
1690                 return;
1691         }
1692         ha->fw_dump_len = dump_size;
1693         ql_dbg(ql_dbg_init, vha, 0x00c5,
1694             "Allocated (%d KB) for firmware dump.\n", dump_size / 1024);
1695
1696         if (IS_QLA27XX(ha))
1697                 return;
1698
1699         ha->fw_dump->signature[0] = 'Q';
1700         ha->fw_dump->signature[1] = 'L';
1701         ha->fw_dump->signature[2] = 'G';
1702         ha->fw_dump->signature[3] = 'C';
1703         ha->fw_dump->version = htonl(1);
1704
1705         ha->fw_dump->fixed_size = htonl(fixed_size);
1706         ha->fw_dump->mem_size = htonl(mem_size);
1707         ha->fw_dump->req_q_size = htonl(req_q_size);
1708         ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
1709
1710         ha->fw_dump->eft_size = htonl(eft_size);
1711         ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma));
1712         ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma));
1713
1714         ha->fw_dump->header_size =
1715             htonl(offsetof(struct qla2xxx_fw_dump, isp));
1716 }
1717
1718 static int
1719 qla81xx_mpi_sync(scsi_qla_host_t *vha)
1720 {
1721 #define MPS_MASK        0xe0
1722         int rval;
1723         uint16_t dc;
1724         uint32_t dw;
1725
1726         if (!IS_QLA81XX(vha->hw))
1727                 return QLA_SUCCESS;
1728
1729         rval = qla2x00_write_ram_word(vha, 0x7c00, 1);
1730         if (rval != QLA_SUCCESS) {
1731                 ql_log(ql_log_warn, vha, 0x0105,
1732                     "Unable to acquire semaphore.\n");
1733                 goto done;
1734         }
1735
1736         pci_read_config_word(vha->hw->pdev, 0x54, &dc);
1737         rval = qla2x00_read_ram_word(vha, 0x7a15, &dw);
1738         if (rval != QLA_SUCCESS) {
1739                 ql_log(ql_log_warn, vha, 0x0067, "Unable to read sync.\n");
1740                 goto done_release;
1741         }
1742
1743         dc &= MPS_MASK;
1744         if (dc == (dw & MPS_MASK))
1745                 goto done_release;
1746
1747         dw &= ~MPS_MASK;
1748         dw |= dc;
1749         rval = qla2x00_write_ram_word(vha, 0x7a15, dw);
1750         if (rval != QLA_SUCCESS) {
1751                 ql_log(ql_log_warn, vha, 0x0114, "Unable to gain sync.\n");
1752         }
1753
1754 done_release:
1755         rval = qla2x00_write_ram_word(vha, 0x7c00, 0);
1756         if (rval != QLA_SUCCESS) {
1757                 ql_log(ql_log_warn, vha, 0x006d,
1758                     "Unable to release semaphore.\n");
1759         }
1760
1761 done:
1762         return rval;
1763 }
1764
1765 int
1766 qla2x00_alloc_outstanding_cmds(struct qla_hw_data *ha, struct req_que *req)
1767 {
1768         /* Don't try to reallocate the array */
1769         if (req->outstanding_cmds)
1770                 return QLA_SUCCESS;
1771
1772         if (!IS_FWI2_CAPABLE(ha) || (ha->mqiobase &&
1773             (ql2xmultique_tag || ql2xmaxqueues > 1)))
1774                 req->num_outstanding_cmds = DEFAULT_OUTSTANDING_COMMANDS;
1775         else {
1776                 if (ha->cur_fw_xcb_count <= ha->cur_fw_iocb_count)
1777                         req->num_outstanding_cmds = ha->cur_fw_xcb_count;
1778                 else
1779                         req->num_outstanding_cmds = ha->cur_fw_iocb_count;
1780         }
1781
1782         req->outstanding_cmds = kzalloc(sizeof(srb_t *) *
1783             req->num_outstanding_cmds, GFP_KERNEL);
1784
1785         if (!req->outstanding_cmds) {
1786                 /*
1787                  * Try to allocate a minimal size just so we can get through
1788                  * initialization.
1789                  */
1790                 req->num_outstanding_cmds = MIN_OUTSTANDING_COMMANDS;
1791                 req->outstanding_cmds = kzalloc(sizeof(srb_t *) *
1792                     req->num_outstanding_cmds, GFP_KERNEL);
1793
1794                 if (!req->outstanding_cmds) {
1795                         ql_log(ql_log_fatal, NULL, 0x0126,
1796                             "Failed to allocate memory for "
1797                             "outstanding_cmds for req_que %p.\n", req);
1798                         req->num_outstanding_cmds = 0;
1799                         return QLA_FUNCTION_FAILED;
1800                 }
1801         }
1802
1803         return QLA_SUCCESS;
1804 }
1805
1806 /**
1807  * qla2x00_setup_chip() - Load and start RISC firmware.
1808  * @ha: HA context
1809  *
1810  * Returns 0 on success.
1811  */
1812 static int
1813 qla2x00_setup_chip(scsi_qla_host_t *vha)
1814 {
1815         int rval;
1816         uint32_t srisc_address = 0;
1817         struct qla_hw_data *ha = vha->hw;
1818         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1819         unsigned long flags;
1820         uint16_t fw_major_version;
1821
1822         if (IS_P3P_TYPE(ha)) {
1823                 rval = ha->isp_ops->load_risc(vha, &srisc_address);
1824                 if (rval == QLA_SUCCESS) {
1825                         qla2x00_stop_firmware(vha);
1826                         goto enable_82xx_npiv;
1827                 } else
1828                         goto failed;
1829         }
1830
1831         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1832                 /* Disable SRAM, Instruction RAM and GP RAM parity.  */
1833                 spin_lock_irqsave(&ha->hardware_lock, flags);
1834                 WRT_REG_WORD(&reg->hccr, (HCCR_ENABLE_PARITY + 0x0));
1835                 RD_REG_WORD(&reg->hccr);
1836                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1837         }
1838
1839         qla81xx_mpi_sync(vha);
1840
1841         /* Load firmware sequences */
1842         rval = ha->isp_ops->load_risc(vha, &srisc_address);
1843         if (rval == QLA_SUCCESS) {
1844                 ql_dbg(ql_dbg_init, vha, 0x00c9,
1845                     "Verifying Checksum of loaded RISC code.\n");
1846
1847                 rval = qla2x00_verify_checksum(vha, srisc_address);
1848                 if (rval == QLA_SUCCESS) {
1849                         /* Start firmware execution. */
1850                         ql_dbg(ql_dbg_init, vha, 0x00ca,
1851                             "Starting firmware.\n");
1852
1853                         if (ql2xexlogins)
1854                                 ha->flags.exlogins_enabled = 1;
1855
1856                         if (ql2xexchoffld)
1857                                 ha->flags.exchoffld_enabled = 1;
1858
1859                         rval = qla2x00_execute_fw(vha, srisc_address);
1860                         /* Retrieve firmware information. */
1861                         if (rval == QLA_SUCCESS) {
1862                                 rval = qla2x00_set_exlogins_buffer(vha);
1863                                 if (rval != QLA_SUCCESS)
1864                                         goto failed;
1865
1866                                 rval = qla2x00_set_exchoffld_buffer(vha);
1867                                 if (rval != QLA_SUCCESS)
1868                                         goto failed;
1869
1870 enable_82xx_npiv:
1871                                 fw_major_version = ha->fw_major_version;
1872                                 if (IS_P3P_TYPE(ha))
1873                                         qla82xx_check_md_needed(vha);
1874                                 else
1875                                         rval = qla2x00_get_fw_version(vha);
1876                                 if (rval != QLA_SUCCESS)
1877                                         goto failed;
1878                                 ha->flags.npiv_supported = 0;
1879                                 if (IS_QLA2XXX_MIDTYPE(ha) &&
1880                                          (ha->fw_attributes & BIT_2)) {
1881                                         ha->flags.npiv_supported = 1;
1882                                         if ((!ha->max_npiv_vports) ||
1883                                             ((ha->max_npiv_vports + 1) %
1884                                             MIN_MULTI_ID_FABRIC))
1885                                                 ha->max_npiv_vports =
1886                                                     MIN_MULTI_ID_FABRIC - 1;
1887                                 }
1888                                 qla2x00_get_resource_cnts(vha);
1889
1890                                 /*
1891                                  * Allocate the array of outstanding commands
1892                                  * now that we know the firmware resources.
1893                                  */
1894                                 rval = qla2x00_alloc_outstanding_cmds(ha,
1895                                     vha->req);
1896                                 if (rval != QLA_SUCCESS)
1897                                         goto failed;
1898
1899                                 if (!fw_major_version && ql2xallocfwdump
1900                                     && !(IS_P3P_TYPE(ha)))
1901                                         qla2x00_alloc_fw_dump(vha);
1902                         } else {
1903                                 goto failed;
1904                         }
1905                 } else {
1906                         ql_log(ql_log_fatal, vha, 0x00cd,
1907                             "ISP Firmware failed checksum.\n");
1908                         goto failed;
1909                 }
1910         } else
1911                 goto failed;
1912
1913         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1914                 /* Enable proper parity. */
1915                 spin_lock_irqsave(&ha->hardware_lock, flags);
1916                 if (IS_QLA2300(ha))
1917                         /* SRAM parity */
1918                         WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x1);
1919                 else
1920                         /* SRAM, Instruction RAM and GP RAM parity */
1921                         WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x7);
1922                 RD_REG_WORD(&reg->hccr);
1923                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1924         }
1925
1926         if (IS_QLA27XX(ha))
1927                 ha->flags.fac_supported = 1;
1928         else if (rval == QLA_SUCCESS && IS_FAC_REQUIRED(ha)) {
1929                 uint32_t size;
1930
1931                 rval = qla81xx_fac_get_sector_size(vha, &size);
1932                 if (rval == QLA_SUCCESS) {
1933                         ha->flags.fac_supported = 1;
1934                         ha->fdt_block_size = size << 2;
1935                 } else {
1936                         ql_log(ql_log_warn, vha, 0x00ce,
1937                             "Unsupported FAC firmware (%d.%02d.%02d).\n",
1938                             ha->fw_major_version, ha->fw_minor_version,
1939                             ha->fw_subminor_version);
1940
1941                         if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
1942                                 ha->flags.fac_supported = 0;
1943                                 rval = QLA_SUCCESS;
1944                         }
1945                 }
1946         }
1947 failed:
1948         if (rval) {
1949                 ql_log(ql_log_fatal, vha, 0x00cf,
1950                     "Setup chip ****FAILED****.\n");
1951         }
1952
1953         return (rval);
1954 }
1955
1956 /**
1957  * qla2x00_init_response_q_entries() - Initializes response queue entries.
1958  * @ha: HA context
1959  *
1960  * Beginning of request ring has initialization control block already built
1961  * by nvram config routine.
1962  *
1963  * Returns 0 on success.
1964  */
1965 void
1966 qla2x00_init_response_q_entries(struct rsp_que *rsp)
1967 {
1968         uint16_t cnt;
1969         response_t *pkt;
1970
1971         rsp->ring_ptr = rsp->ring;
1972         rsp->ring_index    = 0;
1973         rsp->status_srb = NULL;
1974         pkt = rsp->ring_ptr;
1975         for (cnt = 0; cnt < rsp->length; cnt++) {
1976                 pkt->signature = RESPONSE_PROCESSED;
1977                 pkt++;
1978         }
1979 }
1980
1981 /**
1982  * qla2x00_update_fw_options() - Read and process firmware options.
1983  * @ha: HA context
1984  *
1985  * Returns 0 on success.
1986  */
1987 void
1988 qla2x00_update_fw_options(scsi_qla_host_t *vha)
1989 {
1990         uint16_t swing, emphasis, tx_sens, rx_sens;
1991         struct qla_hw_data *ha = vha->hw;
1992
1993         memset(ha->fw_options, 0, sizeof(ha->fw_options));
1994         qla2x00_get_fw_options(vha, ha->fw_options);
1995
1996         if (IS_QLA2100(ha) || IS_QLA2200(ha))
1997                 return;
1998
1999         /* Serial Link options. */
2000         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0115,
2001             "Serial link options.\n");
2002         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0109,
2003             (uint8_t *)&ha->fw_seriallink_options,
2004             sizeof(ha->fw_seriallink_options));
2005
2006         ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
2007         if (ha->fw_seriallink_options[3] & BIT_2) {
2008                 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
2009
2010                 /*  1G settings */
2011                 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
2012                 emphasis = (ha->fw_seriallink_options[2] &
2013                     (BIT_4 | BIT_3)) >> 3;
2014                 tx_sens = ha->fw_seriallink_options[0] &
2015                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
2016                 rx_sens = (ha->fw_seriallink_options[0] &
2017                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
2018                 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
2019                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
2020                         if (rx_sens == 0x0)
2021                                 rx_sens = 0x3;
2022                         ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
2023                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
2024                         ha->fw_options[10] |= BIT_5 |
2025                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
2026                             (tx_sens & (BIT_1 | BIT_0));
2027
2028                 /*  2G settings */
2029                 swing = (ha->fw_seriallink_options[2] &
2030                     (BIT_7 | BIT_6 | BIT_5)) >> 5;
2031                 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
2032                 tx_sens = ha->fw_seriallink_options[1] &
2033                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
2034                 rx_sens = (ha->fw_seriallink_options[1] &
2035                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
2036                 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
2037                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
2038                         if (rx_sens == 0x0)
2039                                 rx_sens = 0x3;
2040                         ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
2041                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
2042                         ha->fw_options[11] |= BIT_5 |
2043                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
2044                             (tx_sens & (BIT_1 | BIT_0));
2045         }
2046
2047         /* FCP2 options. */
2048         /*  Return command IOCBs without waiting for an ABTS to complete. */
2049         ha->fw_options[3] |= BIT_13;
2050
2051         /* LED scheme. */
2052         if (ha->flags.enable_led_scheme)
2053                 ha->fw_options[2] |= BIT_12;
2054
2055         /* Detect ISP6312. */
2056         if (IS_QLA6312(ha))
2057                 ha->fw_options[2] |= BIT_13;
2058
2059         /* Set Retry FLOGI in case of P2P connection */
2060         if (ha->operating_mode == P2P) {
2061                 ha->fw_options[2] |= BIT_3;
2062                 ql_dbg(ql_dbg_disc, vha, 0x2100,
2063                     "(%s): Setting FLOGI retry BIT in fw_options[2]: 0x%x\n",
2064                         __func__, ha->fw_options[2]);
2065         }
2066
2067         /* Update firmware options. */
2068         qla2x00_set_fw_options(vha, ha->fw_options);
2069 }
2070
2071 void
2072 qla24xx_update_fw_options(scsi_qla_host_t *vha)
2073 {
2074         int rval;
2075         struct qla_hw_data *ha = vha->hw;
2076
2077         if (IS_P3P_TYPE(ha))
2078                 return;
2079
2080         /*  Hold status IOCBs until ABTS response received. */
2081         if (ql2xfwholdabts)
2082                 ha->fw_options[3] |= BIT_12;
2083
2084         /* Set Retry FLOGI in case of P2P connection */
2085         if (ha->operating_mode == P2P) {
2086                 ha->fw_options[2] |= BIT_3;
2087                 ql_dbg(ql_dbg_disc, vha, 0x2101,
2088                     "(%s): Setting FLOGI retry BIT in fw_options[2]: 0x%x\n",
2089                         __func__, ha->fw_options[2]);
2090         }
2091
2092         /* Update Serial Link options. */
2093         if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
2094                 return;
2095
2096         rval = qla2x00_set_serdes_params(vha,
2097             le16_to_cpu(ha->fw_seriallink_options24[1]),
2098             le16_to_cpu(ha->fw_seriallink_options24[2]),
2099             le16_to_cpu(ha->fw_seriallink_options24[3]));
2100         if (rval != QLA_SUCCESS) {
2101                 ql_log(ql_log_warn, vha, 0x0104,
2102                     "Unable to update Serial Link options (%x).\n", rval);
2103         }
2104 }
2105
2106 void
2107 qla2x00_config_rings(struct scsi_qla_host *vha)
2108 {
2109         struct qla_hw_data *ha = vha->hw;
2110         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2111         struct req_que *req = ha->req_q_map[0];
2112         struct rsp_que *rsp = ha->rsp_q_map[0];
2113
2114         /* Setup ring parameters in initialization control block. */
2115         ha->init_cb->request_q_outpointer = cpu_to_le16(0);
2116         ha->init_cb->response_q_inpointer = cpu_to_le16(0);
2117         ha->init_cb->request_q_length = cpu_to_le16(req->length);
2118         ha->init_cb->response_q_length = cpu_to_le16(rsp->length);
2119         ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
2120         ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
2121         ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
2122         ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
2123
2124         WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
2125         WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
2126         WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
2127         WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
2128         RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg));            /* PCI Posting. */
2129 }
2130
2131 void
2132 qla24xx_config_rings(struct scsi_qla_host *vha)
2133 {
2134         struct qla_hw_data *ha = vha->hw;
2135         device_reg_t *reg = ISP_QUE_REG(ha, 0);
2136         struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp;
2137         struct qla_msix_entry *msix;
2138         struct init_cb_24xx *icb;
2139         uint16_t rid = 0;
2140         struct req_que *req = ha->req_q_map[0];
2141         struct rsp_que *rsp = ha->rsp_q_map[0];
2142
2143         /* Setup ring parameters in initialization control block. */
2144         icb = (struct init_cb_24xx *)ha->init_cb;
2145         icb->request_q_outpointer = cpu_to_le16(0);
2146         icb->response_q_inpointer = cpu_to_le16(0);
2147         icb->request_q_length = cpu_to_le16(req->length);
2148         icb->response_q_length = cpu_to_le16(rsp->length);
2149         icb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
2150         icb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
2151         icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
2152         icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
2153
2154         /* Setup ATIO queue dma pointers for target mode */
2155         icb->atio_q_inpointer = cpu_to_le16(0);
2156         icb->atio_q_length = cpu_to_le16(ha->tgt.atio_q_length);
2157         icb->atio_q_address[0] = cpu_to_le32(LSD(ha->tgt.atio_dma));
2158         icb->atio_q_address[1] = cpu_to_le32(MSD(ha->tgt.atio_dma));
2159
2160         if (IS_SHADOW_REG_CAPABLE(ha))
2161                 icb->firmware_options_2 |= cpu_to_le32(BIT_30|BIT_29);
2162
2163         if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
2164                 icb->qos = cpu_to_le16(QLA_DEFAULT_QUE_QOS);
2165                 icb->rid = cpu_to_le16(rid);
2166                 if (ha->flags.msix_enabled) {
2167                         msix = &ha->msix_entries[1];
2168                         ql_dbg(ql_dbg_init, vha, 0x00fd,
2169                             "Registering vector 0x%x for base que.\n",
2170                             msix->entry);
2171                         icb->msix = cpu_to_le16(msix->entry);
2172                 }
2173                 /* Use alternate PCI bus number */
2174                 if (MSB(rid))
2175                         icb->firmware_options_2 |= cpu_to_le32(BIT_19);
2176                 /* Use alternate PCI devfn */
2177                 if (LSB(rid))
2178                         icb->firmware_options_2 |= cpu_to_le32(BIT_18);
2179
2180                 /* Use Disable MSIX Handshake mode for capable adapters */
2181                 if ((ha->fw_attributes & BIT_6) && (IS_MSIX_NACK_CAPABLE(ha)) &&
2182                     (ha->flags.msix_enabled)) {
2183                         icb->firmware_options_2 &= cpu_to_le32(~BIT_22);
2184                         ha->flags.disable_msix_handshake = 1;
2185                         ql_dbg(ql_dbg_init, vha, 0x00fe,
2186                             "MSIX Handshake Disable Mode turned on.\n");
2187                 } else {
2188                         icb->firmware_options_2 |= cpu_to_le32(BIT_22);
2189                 }
2190                 icb->firmware_options_2 |= cpu_to_le32(BIT_23);
2191
2192                 WRT_REG_DWORD(&reg->isp25mq.req_q_in, 0);
2193                 WRT_REG_DWORD(&reg->isp25mq.req_q_out, 0);
2194                 WRT_REG_DWORD(&reg->isp25mq.rsp_q_in, 0);
2195                 WRT_REG_DWORD(&reg->isp25mq.rsp_q_out, 0);
2196         } else {
2197                 WRT_REG_DWORD(&reg->isp24.req_q_in, 0);
2198                 WRT_REG_DWORD(&reg->isp24.req_q_out, 0);
2199                 WRT_REG_DWORD(&reg->isp24.rsp_q_in, 0);
2200                 WRT_REG_DWORD(&reg->isp24.rsp_q_out, 0);
2201         }
2202         qlt_24xx_config_rings(vha);
2203
2204         /* PCI posting */
2205         RD_REG_DWORD(&ioreg->hccr);
2206 }
2207
2208 /**
2209  * qla2x00_init_rings() - Initializes firmware.
2210  * @ha: HA context
2211  *
2212  * Beginning of request ring has initialization control block already built
2213  * by nvram config routine.
2214  *
2215  * Returns 0 on success.
2216  */
2217 int
2218 qla2x00_init_rings(scsi_qla_host_t *vha)
2219 {
2220         int     rval;
2221         unsigned long flags = 0;
2222         int cnt, que;
2223         struct qla_hw_data *ha = vha->hw;
2224         struct req_que *req;
2225         struct rsp_que *rsp;
2226         struct mid_init_cb_24xx *mid_init_cb =
2227             (struct mid_init_cb_24xx *) ha->init_cb;
2228
2229         spin_lock_irqsave(&ha->hardware_lock, flags);
2230
2231         /* Clear outstanding commands array. */
2232         for (que = 0; que < ha->max_req_queues; que++) {
2233                 req = ha->req_q_map[que];
2234                 if (!req || !test_bit(que, ha->req_qid_map))
2235                         continue;
2236                 req->out_ptr = (void *)(req->ring + req->length);
2237                 *req->out_ptr = 0;
2238                 for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++)
2239                         req->outstanding_cmds[cnt] = NULL;
2240
2241                 req->current_outstanding_cmd = 1;
2242
2243                 /* Initialize firmware. */
2244                 req->ring_ptr  = req->ring;
2245                 req->ring_index    = 0;
2246                 req->cnt      = req->length;
2247         }
2248
2249         for (que = 0; que < ha->max_rsp_queues; que++) {
2250                 rsp = ha->rsp_q_map[que];
2251                 if (!rsp || !test_bit(que, ha->rsp_qid_map))
2252                         continue;
2253                 rsp->in_ptr = (void *)(rsp->ring + rsp->length);
2254                 *rsp->in_ptr = 0;
2255                 /* Initialize response queue entries */
2256                 if (IS_QLAFX00(ha))
2257                         qlafx00_init_response_q_entries(rsp);
2258                 else
2259                         qla2x00_init_response_q_entries(rsp);
2260         }
2261
2262         ha->tgt.atio_ring_ptr = ha->tgt.atio_ring;
2263         ha->tgt.atio_ring_index = 0;
2264         /* Initialize ATIO queue entries */
2265         qlt_init_atio_q_entries(vha);
2266
2267         ha->isp_ops->config_rings(vha);
2268
2269         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2270
2271         ql_dbg(ql_dbg_init, vha, 0x00d1, "Issue init firmware.\n");
2272
2273         if (IS_QLAFX00(ha)) {
2274                 rval = qlafx00_init_firmware(vha, ha->init_cb_size);
2275                 goto next_check;
2276         }
2277
2278         /* Update any ISP specific firmware options before initialization. */
2279         ha->isp_ops->update_fw_options(vha);
2280
2281         if (ha->flags.npiv_supported) {
2282                 if (ha->operating_mode == LOOP && !IS_CNA_CAPABLE(ha))
2283                         ha->max_npiv_vports = MIN_MULTI_ID_FABRIC - 1;
2284                 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
2285         }
2286
2287         if (IS_FWI2_CAPABLE(ha)) {
2288                 mid_init_cb->options = cpu_to_le16(BIT_1);
2289                 mid_init_cb->init_cb.execution_throttle =
2290                     cpu_to_le16(ha->cur_fw_xcb_count);
2291                 ha->flags.dport_enabled =
2292                     (mid_init_cb->init_cb.firmware_options_1 & BIT_7) != 0;
2293                 ql_dbg(ql_dbg_init, vha, 0x0191, "DPORT Support: %s.\n",
2294                     (ha->flags.dport_enabled) ? "enabled" : "disabled");
2295                 /* FA-WWPN Status */
2296                 ha->flags.fawwpn_enabled =
2297                     (mid_init_cb->init_cb.firmware_options_1 & BIT_6) != 0;
2298                 ql_dbg(ql_dbg_init, vha, 0x0141, "FA-WWPN Support: %s.\n",
2299                     (ha->flags.fawwpn_enabled) ? "enabled" : "disabled");
2300         }
2301
2302         rval = qla2x00_init_firmware(vha, ha->init_cb_size);
2303 next_check:
2304         if (rval) {
2305                 ql_log(ql_log_fatal, vha, 0x00d2,
2306                     "Init Firmware **** FAILED ****.\n");
2307         } else {
2308                 ql_dbg(ql_dbg_init, vha, 0x00d3,
2309                     "Init Firmware -- success.\n");
2310         }
2311
2312         return (rval);
2313 }
2314
2315 /**
2316  * qla2x00_fw_ready() - Waits for firmware ready.
2317  * @ha: HA context
2318  *
2319  * Returns 0 on success.
2320  */
2321 static int
2322 qla2x00_fw_ready(scsi_qla_host_t *vha)
2323 {
2324         int             rval;
2325         unsigned long   wtime, mtime, cs84xx_time;
2326         uint16_t        min_wait;       /* Minimum wait time if loop is down */
2327         uint16_t        wait_time;      /* Wait time if loop is coming ready */
2328         uint16_t        state[6];
2329         struct qla_hw_data *ha = vha->hw;
2330
2331         if (IS_QLAFX00(vha->hw))
2332                 return qlafx00_fw_ready(vha);
2333
2334         rval = QLA_SUCCESS;
2335
2336         /* Time to wait for loop down */
2337         if (IS_P3P_TYPE(ha))
2338                 min_wait = 30;
2339         else
2340                 min_wait = 20;
2341
2342         /*
2343          * Firmware should take at most one RATOV to login, plus 5 seconds for
2344          * our own processing.
2345          */
2346         if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
2347                 wait_time = min_wait;
2348         }
2349
2350         /* Min wait time if loop down */
2351         mtime = jiffies + (min_wait * HZ);
2352
2353         /* wait time before firmware ready */
2354         wtime = jiffies + (wait_time * HZ);
2355
2356         /* Wait for ISP to finish LIP */
2357         if (!vha->flags.init_done)
2358                 ql_log(ql_log_info, vha, 0x801e,
2359                     "Waiting for LIP to complete.\n");
2360
2361         do {
2362                 memset(state, -1, sizeof(state));
2363                 rval = qla2x00_get_firmware_state(vha, state);
2364                 if (rval == QLA_SUCCESS) {
2365                         if (state[0] < FSTATE_LOSS_OF_SYNC) {
2366                                 vha->device_flags &= ~DFLG_NO_CABLE;
2367                         }
2368                         if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) {
2369                                 ql_dbg(ql_dbg_taskm, vha, 0x801f,
2370                                     "fw_state=%x 84xx=%x.\n", state[0],
2371                                     state[2]);
2372                                 if ((state[2] & FSTATE_LOGGED_IN) &&
2373                                      (state[2] & FSTATE_WAITING_FOR_VERIFY)) {
2374                                         ql_dbg(ql_dbg_taskm, vha, 0x8028,
2375                                             "Sending verify iocb.\n");
2376
2377                                         cs84xx_time = jiffies;
2378                                         rval = qla84xx_init_chip(vha);
2379                                         if (rval != QLA_SUCCESS) {
2380                                                 ql_log(ql_log_warn,
2381                                                     vha, 0x8007,
2382                                                     "Init chip failed.\n");
2383                                                 break;
2384                                         }
2385
2386                                         /* Add time taken to initialize. */
2387                                         cs84xx_time = jiffies - cs84xx_time;
2388                                         wtime += cs84xx_time;
2389                                         mtime += cs84xx_time;
2390                                         ql_dbg(ql_dbg_taskm, vha, 0x8008,
2391                                             "Increasing wait time by %ld. "
2392                                             "New time %ld.\n", cs84xx_time,
2393                                             wtime);
2394                                 }
2395                         } else if (state[0] == FSTATE_READY) {
2396                                 ql_dbg(ql_dbg_taskm, vha, 0x8037,
2397                                     "F/W Ready - OK.\n");
2398
2399                                 qla2x00_get_retry_cnt(vha, &ha->retry_count,
2400                                     &ha->login_timeout, &ha->r_a_tov);
2401
2402                                 rval = QLA_SUCCESS;
2403                                 break;
2404                         }
2405
2406                         rval = QLA_FUNCTION_FAILED;
2407
2408                         if (atomic_read(&vha->loop_down_timer) &&
2409                             state[0] != FSTATE_READY) {
2410                                 /* Loop down. Timeout on min_wait for states
2411                                  * other than Wait for Login.
2412                                  */
2413                                 if (time_after_eq(jiffies, mtime)) {
2414                                         ql_log(ql_log_info, vha, 0x8038,
2415                                             "Cable is unplugged...\n");
2416
2417                                         vha->device_flags |= DFLG_NO_CABLE;
2418                                         break;
2419                                 }
2420                         }
2421                 } else {
2422                         /* Mailbox cmd failed. Timeout on min_wait. */
2423                         if (time_after_eq(jiffies, mtime) ||
2424                                 ha->flags.isp82xx_fw_hung)
2425                                 break;
2426                 }
2427
2428                 if (time_after_eq(jiffies, wtime))
2429                         break;
2430
2431                 /* Delay for a while */
2432                 msleep(500);
2433         } while (1);
2434
2435         ql_dbg(ql_dbg_taskm, vha, 0x803a,
2436             "fw_state=%x (%x, %x, %x, %x %x) curr time=%lx.\n", state[0],
2437             state[1], state[2], state[3], state[4], state[5], jiffies);
2438
2439         if (rval && !(vha->device_flags & DFLG_NO_CABLE)) {
2440                 ql_log(ql_log_warn, vha, 0x803b,
2441                     "Firmware ready **** FAILED ****.\n");
2442         }
2443
2444         return (rval);
2445 }
2446
2447 /*
2448 *  qla2x00_configure_hba
2449 *      Setup adapter context.
2450 *
2451 * Input:
2452 *      ha = adapter state pointer.
2453 *
2454 * Returns:
2455 *      0 = success
2456 *
2457 * Context:
2458 *      Kernel context.
2459 */
2460 static int
2461 qla2x00_configure_hba(scsi_qla_host_t *vha)
2462 {
2463         int       rval;
2464         uint16_t      loop_id;
2465         uint16_t      topo;
2466         uint16_t      sw_cap;
2467         uint8_t       al_pa;
2468         uint8_t       area;
2469         uint8_t       domain;
2470         char            connect_type[22];
2471         struct qla_hw_data *ha = vha->hw;
2472         unsigned long flags;
2473         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
2474
2475         /* Get host addresses. */
2476         rval = qla2x00_get_adapter_id(vha,
2477             &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
2478         if (rval != QLA_SUCCESS) {
2479                 if (LOOP_TRANSITION(vha) || atomic_read(&ha->loop_down_timer) ||
2480                     IS_CNA_CAPABLE(ha) ||
2481                     (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
2482                         ql_dbg(ql_dbg_disc, vha, 0x2008,
2483                             "Loop is in a transition state.\n");
2484                 } else {
2485                         ql_log(ql_log_warn, vha, 0x2009,
2486                             "Unable to get host loop ID.\n");
2487                         if (IS_FWI2_CAPABLE(ha) && (vha == base_vha) &&
2488                             (rval == QLA_COMMAND_ERROR && loop_id == 0x1b)) {
2489                                 ql_log(ql_log_warn, vha, 0x1151,
2490                                     "Doing link init.\n");
2491                                 if (qla24xx_link_initialize(vha) == QLA_SUCCESS)
2492                                         return rval;
2493                         }
2494                         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2495                 }
2496                 return (rval);
2497         }
2498
2499         if (topo == 4) {
2500                 ql_log(ql_log_info, vha, 0x200a,
2501                     "Cannot get topology - retrying.\n");
2502                 return (QLA_FUNCTION_FAILED);
2503         }
2504
2505         vha->loop_id = loop_id;
2506
2507         /* initialize */
2508         ha->min_external_loopid = SNS_FIRST_LOOP_ID;
2509         ha->operating_mode = LOOP;
2510         ha->switch_cap = 0;
2511
2512         switch (topo) {
2513         case 0:
2514                 ql_dbg(ql_dbg_disc, vha, 0x200b, "HBA in NL topology.\n");
2515                 ha->current_topology = ISP_CFG_NL;
2516                 strcpy(connect_type, "(Loop)");
2517                 break;
2518
2519         case 1:
2520                 ql_dbg(ql_dbg_disc, vha, 0x200c, "HBA in FL topology.\n");
2521                 ha->switch_cap = sw_cap;
2522                 ha->current_topology = ISP_CFG_FL;
2523                 strcpy(connect_type, "(FL_Port)");
2524                 break;
2525
2526         case 2:
2527                 ql_dbg(ql_dbg_disc, vha, 0x200d, "HBA in N P2P topology.\n");
2528                 ha->operating_mode = P2P;
2529                 ha->current_topology = ISP_CFG_N;
2530                 strcpy(connect_type, "(N_Port-to-N_Port)");
2531                 break;
2532
2533         case 3:
2534                 ql_dbg(ql_dbg_disc, vha, 0x200e, "HBA in F P2P topology.\n");
2535                 ha->switch_cap = sw_cap;
2536                 ha->operating_mode = P2P;
2537                 ha->current_topology = ISP_CFG_F;
2538                 strcpy(connect_type, "(F_Port)");
2539                 break;
2540
2541         default:
2542                 ql_dbg(ql_dbg_disc, vha, 0x200f,
2543                     "HBA in unknown topology %x, using NL.\n", topo);
2544                 ha->current_topology = ISP_CFG_NL;
2545                 strcpy(connect_type, "(Loop)");
2546                 break;
2547         }
2548
2549         /* Save Host port and loop ID. */
2550         /* byte order - Big Endian */
2551         vha->d_id.b.domain = domain;
2552         vha->d_id.b.area = area;
2553         vha->d_id.b.al_pa = al_pa;
2554
2555         spin_lock_irqsave(&ha->vport_slock, flags);
2556         qlt_update_vp_map(vha, SET_AL_PA);
2557         spin_unlock_irqrestore(&ha->vport_slock, flags);
2558
2559         if (!vha->flags.init_done)
2560                 ql_log(ql_log_info, vha, 0x2010,
2561                     "Topology - %s, Host Loop address 0x%x.\n",
2562                     connect_type, vha->loop_id);
2563
2564         return(rval);
2565 }
2566
2567 inline void
2568 qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
2569         char *def)
2570 {
2571         char *st, *en;
2572         uint16_t index;
2573         struct qla_hw_data *ha = vha->hw;
2574         int use_tbl = !IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) &&
2575             !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha);
2576
2577         if (memcmp(model, BINZERO, len) != 0) {
2578                 strncpy(ha->model_number, model, len);
2579                 st = en = ha->model_number;
2580                 en += len - 1;
2581                 while (en > st) {
2582                         if (*en != 0x20 && *en != 0x00)
2583                                 break;
2584                         *en-- = '\0';
2585                 }
2586
2587                 index = (ha->pdev->subsystem_device & 0xff);
2588                 if (use_tbl &&
2589                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
2590                     index < QLA_MODEL_NAMES)
2591                         strncpy(ha->model_desc,
2592                             qla2x00_model_name[index * 2 + 1],
2593                             sizeof(ha->model_desc) - 1);
2594         } else {
2595                 index = (ha->pdev->subsystem_device & 0xff);
2596                 if (use_tbl &&
2597                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
2598                     index < QLA_MODEL_NAMES) {
2599                         strcpy(ha->model_number,
2600                             qla2x00_model_name[index * 2]);
2601                         strncpy(ha->model_desc,
2602                             qla2x00_model_name[index * 2 + 1],
2603                             sizeof(ha->model_desc) - 1);
2604                 } else {
2605                         strcpy(ha->model_number, def);
2606                 }
2607         }
2608         if (IS_FWI2_CAPABLE(ha))
2609                 qla2xxx_get_vpd_field(vha, "\x82", ha->model_desc,
2610                     sizeof(ha->model_desc));
2611 }
2612
2613 /* On sparc systems, obtain port and node WWN from firmware
2614  * properties.
2615  */
2616 static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, nvram_t *nv)
2617 {
2618 #ifdef CONFIG_SPARC
2619         struct qla_hw_data *ha = vha->hw;
2620         struct pci_dev *pdev = ha->pdev;
2621         struct device_node *dp = pci_device_to_OF_node(pdev);
2622         const u8 *val;
2623         int len;
2624
2625         val = of_get_property(dp, "port-wwn", &len);
2626         if (val && len >= WWN_SIZE)
2627                 memcpy(nv->port_name, val, WWN_SIZE);
2628
2629         val = of_get_property(dp, "node-wwn", &len);
2630         if (val && len >= WWN_SIZE)
2631                 memcpy(nv->node_name, val, WWN_SIZE);
2632 #endif
2633 }
2634
2635 /*
2636 * NVRAM configuration for ISP 2xxx
2637 *
2638 * Input:
2639 *      ha                = adapter block pointer.
2640 *
2641 * Output:
2642 *      initialization control block in response_ring
2643 *      host adapters parameters in host adapter block
2644 *
2645 * Returns:
2646 *      0 = success.
2647 */
2648 int
2649 qla2x00_nvram_config(scsi_qla_host_t *vha)
2650 {
2651         int             rval;
2652         uint8_t         chksum = 0;
2653         uint16_t        cnt;
2654         uint8_t         *dptr1, *dptr2;
2655         struct qla_hw_data *ha = vha->hw;
2656         init_cb_t       *icb = ha->init_cb;
2657         nvram_t         *nv = ha->nvram;
2658         uint8_t         *ptr = ha->nvram;
2659         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2660
2661         rval = QLA_SUCCESS;
2662
2663         /* Determine NVRAM starting address. */
2664         ha->nvram_size = sizeof(nvram_t);
2665         ha->nvram_base = 0;
2666         if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
2667                 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
2668                         ha->nvram_base = 0x80;
2669
2670         /* Get NVRAM data and calculate checksum. */
2671         ha->isp_ops->read_nvram(vha, ptr, ha->nvram_base, ha->nvram_size);
2672         for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
2673                 chksum += *ptr++;
2674
2675         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x010f,
2676             "Contents of NVRAM.\n");
2677         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0110,
2678             (uint8_t *)nv, ha->nvram_size);
2679
2680         /* Bad NVRAM data, set defaults parameters. */
2681         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
2682             nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
2683                 /* Reset NVRAM data. */
2684                 ql_log(ql_log_warn, vha, 0x0064,
2685                     "Inconsistent NVRAM "
2686                     "detected: checksum=0x%x id=%c version=0x%x.\n",
2687                     chksum, nv->id[0], nv->nvram_version);
2688                 ql_log(ql_log_warn, vha, 0x0065,
2689                     "Falling back to "
2690                     "functioning (yet invalid -- WWPN) defaults.\n");
2691
2692                 /*
2693                  * Set default initialization control block.
2694                  */
2695                 memset(nv, 0, ha->nvram_size);
2696                 nv->parameter_block_version = ICB_VERSION;
2697
2698                 if (IS_QLA23XX(ha)) {
2699                         nv->firmware_options[0] = BIT_2 | BIT_1;
2700                         nv->firmware_options[1] = BIT_7 | BIT_5;
2701                         nv->add_firmware_options[0] = BIT_5;
2702                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
2703                         nv->frame_payload_size = 2048;
2704                         nv->special_options[1] = BIT_7;
2705                 } else if (IS_QLA2200(ha)) {
2706                         nv->firmware_options[0] = BIT_2 | BIT_1;
2707                         nv->firmware_options[1] = BIT_7 | BIT_5;
2708                         nv->add_firmware_options[0] = BIT_5;
2709                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
2710                         nv->frame_payload_size = 1024;
2711                 } else if (IS_QLA2100(ha)) {
2712                         nv->firmware_options[0] = BIT_3 | BIT_1;
2713                         nv->firmware_options[1] = BIT_5;
2714                         nv->frame_payload_size = 1024;
2715                 }
2716
2717                 nv->max_iocb_allocation = cpu_to_le16(256);
2718                 nv->execution_throttle = cpu_to_le16(16);
2719                 nv->retry_count = 8;
2720                 nv->retry_delay = 1;
2721
2722                 nv->port_name[0] = 33;
2723                 nv->port_name[3] = 224;
2724                 nv->port_name[4] = 139;
2725
2726                 qla2xxx_nvram_wwn_from_ofw(vha, nv);
2727
2728                 nv->login_timeout = 4;
2729
2730                 /*
2731                  * Set default host adapter parameters
2732                  */
2733                 nv->host_p[1] = BIT_2;
2734                 nv->reset_delay = 5;
2735                 nv->port_down_retry_count = 8;
2736                 nv->max_luns_per_target = cpu_to_le16(8);
2737                 nv->link_down_timeout = 60;
2738
2739                 rval = 1;
2740         }
2741
2742 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
2743         /*
2744          * The SN2 does not provide BIOS emulation which means you can't change
2745          * potentially bogus BIOS settings. Force the use of default settings
2746          * for link rate and frame size.  Hope that the rest of the settings
2747          * are valid.
2748          */
2749         if (ia64_platform_is("sn2")) {
2750                 nv->frame_payload_size = 2048;
2751                 if (IS_QLA23XX(ha))
2752                         nv->special_options[1] = BIT_7;
2753         }
2754 #endif
2755
2756         /* Reset Initialization control block */
2757         memset(icb, 0, ha->init_cb_size);
2758
2759         /*
2760          * Setup driver NVRAM options.
2761          */
2762         nv->firmware_options[0] |= (BIT_6 | BIT_1);
2763         nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
2764         nv->firmware_options[1] |= (BIT_5 | BIT_0);
2765         nv->firmware_options[1] &= ~BIT_4;
2766
2767         if (IS_QLA23XX(ha)) {
2768                 nv->firmware_options[0] |= BIT_2;
2769                 nv->firmware_options[0] &= ~BIT_3;
2770                 nv->special_options[0] &= ~BIT_6;
2771                 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
2772
2773                 if (IS_QLA2300(ha)) {
2774                         if (ha->fb_rev == FPM_2310) {
2775                                 strcpy(ha->model_number, "QLA2310");
2776                         } else {
2777                                 strcpy(ha->model_number, "QLA2300");
2778                         }
2779                 } else {
2780                         qla2x00_set_model_info(vha, nv->model_number,
2781                             sizeof(nv->model_number), "QLA23xx");
2782                 }
2783         } else if (IS_QLA2200(ha)) {
2784                 nv->firmware_options[0] |= BIT_2;
2785                 /*
2786                  * 'Point-to-point preferred, else loop' is not a safe
2787                  * connection mode setting.
2788                  */
2789                 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
2790                     (BIT_5 | BIT_4)) {
2791                         /* Force 'loop preferred, else point-to-point'. */
2792                         nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
2793                         nv->add_firmware_options[0] |= BIT_5;
2794                 }
2795                 strcpy(ha->model_number, "QLA22xx");
2796         } else /*if (IS_QLA2100(ha))*/ {
2797                 strcpy(ha->model_number, "QLA2100");
2798         }
2799
2800         /*
2801          * Copy over NVRAM RISC parameter block to initialization control block.
2802          */
2803         dptr1 = (uint8_t *)icb;
2804         dptr2 = (uint8_t *)&nv->parameter_block_version;
2805         cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
2806         while (cnt--)
2807                 *dptr1++ = *dptr2++;
2808
2809         /* Copy 2nd half. */
2810         dptr1 = (uint8_t *)icb->add_firmware_options;
2811         cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
2812         while (cnt--)
2813                 *dptr1++ = *dptr2++;
2814
2815         /* Use alternate WWN? */
2816         if (nv->host_p[1] & BIT_7) {
2817                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
2818                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
2819         }
2820
2821         /* Prepare nodename */
2822         if ((icb->firmware_options[1] & BIT_6) == 0) {
2823                 /*
2824                  * Firmware will apply the following mask if the nodename was
2825                  * not provided.
2826                  */
2827                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
2828                 icb->node_name[0] &= 0xF0;
2829         }
2830
2831         /*
2832          * Set host adapter parameters.
2833          */
2834
2835         /*
2836          * BIT_7 in the host-parameters section allows for modification to
2837          * internal driver logging.
2838          */
2839         if (nv->host_p[0] & BIT_7)
2840                 ql2xextended_error_logging = QL_DBG_DEFAULT1_MASK;
2841         ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
2842         /* Always load RISC code on non ISP2[12]00 chips. */
2843         if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
2844                 ha->flags.disable_risc_code_load = 0;
2845         ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
2846         ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
2847         ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
2848         ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
2849         ha->flags.disable_serdes = 0;
2850
2851         ha->operating_mode =
2852             (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
2853
2854         memcpy(ha->fw_seriallink_options, nv->seriallink_options,
2855             sizeof(ha->fw_seriallink_options));
2856
2857         /* save HBA serial number */
2858         ha->serial0 = icb->port_name[5];
2859         ha->serial1 = icb->port_name[6];
2860         ha->serial2 = icb->port_name[7];
2861         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
2862         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
2863
2864         icb->execution_throttle = cpu_to_le16(0xFFFF);
2865
2866         ha->retry_count = nv->retry_count;
2867
2868         /* Set minimum login_timeout to 4 seconds. */
2869         if (nv->login_timeout != ql2xlogintimeout)
2870                 nv->login_timeout = ql2xlogintimeout;
2871         if (nv->login_timeout < 4)
2872                 nv->login_timeout = 4;
2873         ha->login_timeout = nv->login_timeout;
2874
2875         /* Set minimum RATOV to 100 tenths of a second. */
2876         ha->r_a_tov = 100;
2877
2878         ha->loop_reset_delay = nv->reset_delay;
2879
2880         /* Link Down Timeout = 0:
2881          *
2882          *      When Port Down timer expires we will start returning
2883          *      I/O's to OS with "DID_NO_CONNECT".
2884          *
2885          * Link Down Timeout != 0:
2886          *
2887          *       The driver waits for the link to come up after link down
2888          *       before returning I/Os to OS with "DID_NO_CONNECT".
2889          */
2890         if (nv->link_down_timeout == 0) {
2891                 ha->loop_down_abort_time =
2892                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
2893         } else {
2894                 ha->link_down_timeout =  nv->link_down_timeout;
2895                 ha->loop_down_abort_time =
2896                     (LOOP_DOWN_TIME - ha->link_down_timeout);
2897         }
2898
2899         /*
2900          * Need enough time to try and get the port back.
2901          */
2902         ha->port_down_retry_count = nv->port_down_retry_count;
2903         if (qlport_down_retry)
2904                 ha->port_down_retry_count = qlport_down_retry;
2905         /* Set login_retry_count */
2906         ha->login_retry_count  = nv->retry_count;
2907         if (ha->port_down_retry_count == nv->port_down_retry_count &&
2908             ha->port_down_retry_count > 3)
2909                 ha->login_retry_count = ha->port_down_retry_count;
2910         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
2911                 ha->login_retry_count = ha->port_down_retry_count;
2912         if (ql2xloginretrycount)
2913                 ha->login_retry_count = ql2xloginretrycount;
2914
2915         icb->lun_enables = cpu_to_le16(0);
2916         icb->command_resource_count = 0;
2917         icb->immediate_notify_resource_count = 0;
2918         icb->timeout = cpu_to_le16(0);
2919
2920         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2921                 /* Enable RIO */
2922                 icb->firmware_options[0] &= ~BIT_3;
2923                 icb->add_firmware_options[0] &=
2924                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2925                 icb->add_firmware_options[0] |= BIT_2;
2926                 icb->response_accumulation_timer = 3;
2927                 icb->interrupt_delay_timer = 5;
2928
2929                 vha->flags.process_response_queue = 1;
2930         } else {
2931                 /* Enable ZIO. */
2932                 if (!vha->flags.init_done) {
2933                         ha->zio_mode = icb->add_firmware_options[0] &
2934                             (BIT_3 | BIT_2 | BIT_1 | BIT_0);
2935                         ha->zio_timer = icb->interrupt_delay_timer ?
2936                             icb->interrupt_delay_timer: 2;
2937                 }
2938                 icb->add_firmware_options[0] &=
2939                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
2940                 vha->flags.process_response_queue = 0;
2941                 if (ha->zio_mode != QLA_ZIO_DISABLED) {
2942                         ha->zio_mode = QLA_ZIO_MODE_6;
2943
2944                         ql_log(ql_log_info, vha, 0x0068,
2945                             "ZIO mode %d enabled; timer delay (%d us).\n",
2946                             ha->zio_mode, ha->zio_timer * 100);
2947
2948                         icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
2949                         icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
2950                         vha->flags.process_response_queue = 1;
2951                 }
2952         }
2953
2954         if (rval) {
2955                 ql_log(ql_log_warn, vha, 0x0069,
2956                     "NVRAM configuration failed.\n");
2957         }
2958         return (rval);
2959 }
2960
2961 static void
2962 qla2x00_rport_del(void *data)
2963 {
2964         fc_port_t *fcport = data;
2965         struct fc_rport *rport;
2966         unsigned long flags;
2967
2968         spin_lock_irqsave(fcport->vha->host->host_lock, flags);
2969         rport = fcport->drport ? fcport->drport: fcport->rport;
2970         fcport->drport = NULL;
2971         spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
2972         if (rport)
2973                 fc_remote_port_delete(rport);
2974 }
2975
2976 /**
2977  * qla2x00_alloc_fcport() - Allocate a generic fcport.
2978  * @ha: HA context
2979  * @flags: allocation flags
2980  *
2981  * Returns a pointer to the allocated fcport, or NULL, if none available.
2982  */
2983 fc_port_t *
2984 qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags)
2985 {
2986         fc_port_t *fcport;
2987
2988         fcport = kzalloc(sizeof(fc_port_t), flags);
2989         if (!fcport)
2990                 return NULL;
2991
2992         /* Setup fcport template structure. */
2993         fcport->vha = vha;
2994         fcport->port_type = FCT_UNKNOWN;
2995         fcport->loop_id = FC_NO_LOOP_ID;
2996         qla2x00_set_fcport_state(fcport, FCS_UNCONFIGURED);
2997         fcport->supported_classes = FC_COS_UNSPECIFIED;
2998
2999         return fcport;
3000 }
3001
3002 /*
3003  * qla2x00_configure_loop
3004  *      Updates Fibre Channel Device Database with what is actually on loop.
3005  *
3006  * Input:
3007  *      ha                = adapter block pointer.
3008  *
3009  * Returns:
3010  *      0 = success.
3011  *      1 = error.
3012  *      2 = database was full and device was not configured.
3013  */
3014 static int
3015 qla2x00_configure_loop(scsi_qla_host_t *vha)
3016 {
3017         int  rval;
3018         unsigned long flags, save_flags;
3019         struct qla_hw_data *ha = vha->hw;
3020         rval = QLA_SUCCESS;
3021
3022         /* Get Initiator ID */
3023         if (test_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags)) {
3024                 rval = qla2x00_configure_hba(vha);
3025                 if (rval != QLA_SUCCESS) {
3026                         ql_dbg(ql_dbg_disc, vha, 0x2013,
3027                             "Unable to configure HBA.\n");
3028                         return (rval);
3029                 }
3030         }
3031
3032         save_flags = flags = vha->dpc_flags;
3033         ql_dbg(ql_dbg_disc, vha, 0x2014,
3034             "Configure loop -- dpc flags = 0x%lx.\n", flags);
3035
3036         /*
3037          * If we have both an RSCN and PORT UPDATE pending then handle them
3038          * both at the same time.
3039          */
3040         clear_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
3041         clear_bit(RSCN_UPDATE, &vha->dpc_flags);
3042
3043         qla2x00_get_data_rate(vha);
3044
3045         /* Determine what we need to do */
3046         if (ha->current_topology == ISP_CFG_FL &&
3047             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
3048
3049                 set_bit(RSCN_UPDATE, &flags);
3050
3051         } else if (ha->current_topology == ISP_CFG_F &&
3052             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
3053
3054                 set_bit(RSCN_UPDATE, &flags);
3055                 clear_bit(LOCAL_LOOP_UPDATE, &flags);
3056
3057         } else if (ha->current_topology == ISP_CFG_N) {
3058                 clear_bit(RSCN_UPDATE, &flags);
3059
3060         } else if (!vha->flags.online ||
3061             (test_bit(ABORT_ISP_ACTIVE, &flags))) {
3062
3063                 set_bit(RSCN_UPDATE, &flags);
3064                 set_bit(LOCAL_LOOP_UPDATE, &flags);
3065         }
3066
3067         if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
3068                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
3069                         ql_dbg(ql_dbg_disc, vha, 0x2015,
3070                             "Loop resync needed, failing.\n");
3071                         rval = QLA_FUNCTION_FAILED;
3072                 } else
3073                         rval = qla2x00_configure_local_loop(vha);
3074         }
3075
3076         if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
3077                 if (LOOP_TRANSITION(vha)) {
3078                         ql_dbg(ql_dbg_disc, vha, 0x201e,
3079                             "Needs RSCN update and loop transition.\n");
3080                         rval = QLA_FUNCTION_FAILED;
3081                 }
3082                 else
3083                         rval = qla2x00_configure_fabric(vha);
3084         }
3085
3086         if (rval == QLA_SUCCESS) {
3087                 if (atomic_read(&vha->loop_down_timer) ||
3088                     test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
3089                         rval = QLA_FUNCTION_FAILED;
3090                 } else {
3091                         atomic_set(&vha->loop_state, LOOP_READY);
3092                         ql_dbg(ql_dbg_disc, vha, 0x2069,
3093                             "LOOP READY.\n");
3094
3095                         /*
3096                          * Process any ATIO queue entries that came in
3097                          * while we weren't online.
3098                          */
3099                         if (qla_tgt_mode_enabled(vha)) {
3100                                 if (IS_QLA27XX(ha) || IS_QLA83XX(ha)) {
3101                                         spin_lock_irqsave(&ha->tgt.atio_lock,
3102                                             flags);
3103                                         qlt_24xx_process_atio_queue(vha, 0);
3104                                         spin_unlock_irqrestore(
3105                                             &ha->tgt.atio_lock, flags);
3106                                 } else {
3107                                         spin_lock_irqsave(&ha->hardware_lock,
3108                                             flags);
3109                                         qlt_24xx_process_atio_queue(vha, 1);
3110                                         spin_unlock_irqrestore(
3111                                             &ha->hardware_lock, flags);
3112                                 }
3113                         }
3114                 }
3115         }
3116
3117         if (rval) {
3118                 ql_dbg(ql_dbg_disc, vha, 0x206a,
3119                     "%s *** FAILED ***.\n", __func__);
3120         } else {
3121                 ql_dbg(ql_dbg_disc, vha, 0x206b,
3122                     "%s: exiting normally.\n", __func__);
3123         }
3124
3125         /* Restore state if a resync event occurred during processing */
3126         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
3127                 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
3128                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
3129                 if (test_bit(RSCN_UPDATE, &save_flags)) {
3130                         set_bit(RSCN_UPDATE, &vha->dpc_flags);
3131                 }
3132         }
3133
3134         return (rval);
3135 }
3136
3137
3138
3139 /*
3140  * qla2x00_configure_local_loop
3141  *      Updates Fibre Channel Device Database with local loop devices.
3142  *
3143  * Input:
3144  *      ha = adapter block pointer.
3145  *
3146  * Returns:
3147  *      0 = success.
3148  */
3149 static int
3150 qla2x00_configure_local_loop(scsi_qla_host_t *vha)
3151 {
3152         int             rval, rval2;
3153         int             found_devs;
3154         int             found;
3155         fc_port_t       *fcport, *new_fcport;
3156
3157         uint16_t        index;
3158         uint16_t        entries;
3159         char            *id_iter;
3160         uint16_t        loop_id;
3161         uint8_t         domain, area, al_pa;
3162         struct qla_hw_data *ha = vha->hw;
3163
3164         found_devs = 0;
3165         new_fcport = NULL;
3166         entries = MAX_FIBRE_DEVICES_LOOP;
3167
3168         /* Get list of logged in devices. */
3169         memset(ha->gid_list, 0, qla2x00_gid_list_size(ha));
3170         rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma,
3171             &entries);
3172         if (rval != QLA_SUCCESS)
3173                 goto cleanup_allocation;
3174
3175         ql_dbg(ql_dbg_disc, vha, 0x2017,
3176             "Entries in ID list (%d).\n", entries);
3177         ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x2075,
3178             (uint8_t *)ha->gid_list,
3179             entries * sizeof(struct gid_list_info));
3180
3181         /* Allocate temporary fcport for any new fcports discovered. */
3182         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3183         if (new_fcport == NULL) {
3184                 ql_log(ql_log_warn, vha, 0x2018,
3185                     "Memory allocation failed for fcport.\n");
3186                 rval = QLA_MEMORY_ALLOC_FAILED;
3187                 goto cleanup_allocation;
3188         }
3189         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
3190
3191         /*
3192          * Mark local devices that were present with FCF_DEVICE_LOST for now.
3193          */
3194         list_for_each_entry(fcport, &vha->vp_fcports, list) {
3195                 if (atomic_read(&fcport->state) == FCS_ONLINE &&
3196                     fcport->port_type != FCT_BROADCAST &&
3197                     (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
3198
3199                         ql_dbg(ql_dbg_disc, vha, 0x2019,
3200                             "Marking port lost loop_id=0x%04x.\n",
3201                             fcport->loop_id);
3202
3203                         qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3204                 }
3205         }
3206
3207         /* Add devices to port list. */
3208         id_iter = (char *)ha->gid_list;
3209         for (index = 0; index < entries; index++) {
3210                 domain = ((struct gid_list_info *)id_iter)->domain;
3211                 area = ((struct gid_list_info *)id_iter)->area;
3212                 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
3213                 if (IS_QLA2100(ha) || IS_QLA2200(ha))
3214                         loop_id = (uint16_t)
3215                             ((struct gid_list_info *)id_iter)->loop_id_2100;
3216                 else
3217                         loop_id = le16_to_cpu(
3218                             ((struct gid_list_info *)id_iter)->loop_id);
3219                 id_iter += ha->gid_list_info_size;
3220
3221                 /* Bypass reserved domain fields. */
3222                 if ((domain & 0xf0) == 0xf0)
3223                         continue;
3224
3225                 /* Bypass if not same domain and area of adapter. */
3226                 if (area && domain &&
3227                     (area != vha->d_id.b.area || domain != vha->d_id.b.domain))
3228                         continue;
3229
3230                 /* Bypass invalid local loop ID. */
3231                 if (loop_id > LAST_LOCAL_LOOP_ID)
3232                         continue;
3233
3234                 memset(new_fcport, 0, sizeof(fc_port_t));
3235
3236                 /* Fill in member data. */
3237                 new_fcport->d_id.b.domain = domain;
3238                 new_fcport->d_id.b.area = area;
3239                 new_fcport->d_id.b.al_pa = al_pa;
3240                 new_fcport->loop_id = loop_id;
3241                 rval2 = qla2x00_get_port_database(vha, new_fcport, 0);
3242                 if (rval2 != QLA_SUCCESS) {
3243                         ql_dbg(ql_dbg_disc, vha, 0x201a,
3244                             "Failed to retrieve fcport information "
3245                             "-- get_port_database=%x, loop_id=0x%04x.\n",
3246                             rval2, new_fcport->loop_id);
3247                         ql_dbg(ql_dbg_disc, vha, 0x201b,
3248                             "Scheduling resync.\n");
3249                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3250                         continue;
3251                 }
3252
3253                 /* Check for matching device in port list. */
3254                 found = 0;
3255                 fcport = NULL;
3256                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3257                         if (memcmp(new_fcport->port_name, fcport->port_name,
3258                             WWN_SIZE))
3259                                 continue;
3260
3261                         fcport->flags &= ~FCF_FABRIC_DEVICE;
3262                         fcport->loop_id = new_fcport->loop_id;
3263                         fcport->port_type = new_fcport->port_type;
3264                         fcport->d_id.b24 = new_fcport->d_id.b24;
3265                         memcpy(fcport->node_name, new_fcport->node_name,
3266                             WWN_SIZE);
3267
3268                         found++;
3269                         break;
3270                 }
3271
3272                 if (!found) {
3273                         /* New device, add to fcports list. */
3274                         list_add_tail(&new_fcport->list, &vha->vp_fcports);
3275
3276                         /* Allocate a new replacement fcport. */
3277                         fcport = new_fcport;
3278                         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3279                         if (new_fcport == NULL) {
3280                                 ql_log(ql_log_warn, vha, 0x201c,
3281                                     "Failed to allocate memory for fcport.\n");
3282                                 rval = QLA_MEMORY_ALLOC_FAILED;
3283                                 goto cleanup_allocation;
3284                         }
3285                         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
3286                 }
3287
3288                 /* Base iIDMA settings on HBA port speed. */
3289                 fcport->fp_speed = ha->link_data_rate;
3290
3291                 qla2x00_update_fcport(vha, fcport);
3292
3293                 found_devs++;
3294         }
3295
3296 cleanup_allocation:
3297         kfree(new_fcport);
3298
3299         if (rval != QLA_SUCCESS) {
3300                 ql_dbg(ql_dbg_disc, vha, 0x201d,
3301                     "Configure local loop error exit: rval=%x.\n", rval);
3302         }
3303
3304         return (rval);
3305 }
3306
3307 static void
3308 qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
3309 {
3310         int rval;
3311         uint16_t mb[MAILBOX_REGISTER_COUNT];
3312         struct qla_hw_data *ha = vha->hw;
3313
3314         if (!IS_IIDMA_CAPABLE(ha))
3315                 return;
3316
3317         if (atomic_read(&fcport->state) != FCS_ONLINE)
3318                 return;
3319
3320         if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
3321             fcport->fp_speed > ha->link_data_rate ||
3322             !ha->flags.gpsc_supported)
3323                 return;
3324
3325         rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,
3326             mb);
3327         if (rval != QLA_SUCCESS) {
3328                 ql_dbg(ql_dbg_disc, vha, 0x2004,
3329                     "Unable to adjust iIDMA %8phN -- %04x %x %04x %04x.\n",
3330                     fcport->port_name, rval, fcport->fp_speed, mb[0], mb[1]);
3331         } else {
3332                 ql_dbg(ql_dbg_disc, vha, 0x2005,
3333                     "iIDMA adjusted to %s GB/s on %8phN.\n",
3334                     qla2x00_get_link_speed_str(ha, fcport->fp_speed),
3335                     fcport->port_name);
3336         }
3337 }
3338
3339 static void
3340 qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
3341 {
3342         struct fc_rport_identifiers rport_ids;
3343         struct fc_rport *rport;
3344         unsigned long flags;
3345
3346         rport_ids.node_name = wwn_to_u64(fcport->node_name);
3347         rport_ids.port_name = wwn_to_u64(fcport->port_name);
3348         rport_ids.port_id = fcport->d_id.b.domain << 16 |
3349             fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
3350         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
3351         fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids);
3352         if (!rport) {
3353                 ql_log(ql_log_warn, vha, 0x2006,
3354                     "Unable to allocate fc remote port.\n");
3355                 return;
3356         }
3357         /*
3358          * Create target mode FC NEXUS in qla_target.c if target mode is
3359          * enabled..
3360          */
3361
3362         qlt_fc_port_added(vha, fcport);
3363
3364         spin_lock_irqsave(fcport->vha->host->host_lock, flags);
3365         *((fc_port_t **)rport->dd_data) = fcport;
3366         spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
3367
3368         rport->supported_classes = fcport->supported_classes;
3369
3370         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
3371         if (fcport->port_type == FCT_INITIATOR)
3372                 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
3373         if (fcport->port_type == FCT_TARGET)
3374                 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
3375         fc_remote_port_rolechg(rport, rport_ids.roles);
3376 }
3377
3378 /*
3379  * qla2x00_update_fcport
3380  *      Updates device on list.
3381  *
3382  * Input:
3383  *      ha = adapter block pointer.
3384  *      fcport = port structure pointer.
3385  *
3386  * Return:
3387  *      0  - Success
3388  *  BIT_0 - error
3389  *
3390  * Context:
3391  *      Kernel context.
3392  */
3393 void
3394 qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
3395 {
3396         fcport->vha = vha;
3397
3398         if (IS_QLAFX00(vha->hw)) {
3399                 qla2x00_set_fcport_state(fcport, FCS_ONLINE);
3400                 goto reg_port;
3401         }
3402         fcport->login_retry = 0;
3403         fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
3404
3405         qla2x00_set_fcport_state(fcport, FCS_ONLINE);
3406         qla2x00_iidma_fcport(vha, fcport);
3407         qla24xx_update_fcport_fcp_prio(vha, fcport);
3408
3409 reg_port:
3410         if (qla_ini_mode_enabled(vha))
3411                 qla2x00_reg_remote_port(vha, fcport);
3412         else {
3413                 /*
3414                  * Create target mode FC NEXUS in qla_target.c
3415                  */
3416                 qlt_fc_port_added(vha, fcport);
3417         }
3418 }
3419
3420 /*
3421  * qla2x00_configure_fabric
3422  *      Setup SNS devices with loop ID's.
3423  *
3424  * Input:
3425  *      ha = adapter block pointer.
3426  *
3427  * Returns:
3428  *      0 = success.
3429  *      BIT_0 = error
3430  */
3431 static int
3432 qla2x00_configure_fabric(scsi_qla_host_t *vha)
3433 {
3434         int     rval;
3435         fc_port_t       *fcport, *fcptemp;
3436         uint16_t        next_loopid;
3437         uint16_t        mb[MAILBOX_REGISTER_COUNT];
3438         uint16_t        loop_id;
3439         LIST_HEAD(new_fcports);
3440         struct qla_hw_data *ha = vha->hw;
3441         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
3442         int             discovery_gen;
3443
3444         /* If FL port exists, then SNS is present */
3445         if (IS_FWI2_CAPABLE(ha))
3446                 loop_id = NPH_F_PORT;
3447         else
3448                 loop_id = SNS_FL_PORT;
3449         rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1);
3450         if (rval != QLA_SUCCESS) {
3451                 ql_dbg(ql_dbg_disc, vha, 0x201f,
3452                     "MBX_GET_PORT_NAME failed, No FL Port.\n");
3453
3454                 vha->device_flags &= ~SWITCH_FOUND;
3455                 return (QLA_SUCCESS);
3456         }
3457         vha->device_flags |= SWITCH_FOUND;
3458
3459         do {
3460                 /* FDMI support. */
3461                 if (ql2xfdmienable &&
3462                     test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags))
3463                         qla2x00_fdmi_register(vha);
3464
3465                 /* Ensure we are logged into the SNS. */
3466                 if (IS_FWI2_CAPABLE(ha))
3467                         loop_id = NPH_SNS;
3468                 else
3469                         loop_id = SIMPLE_NAME_SERVER;
3470                 rval = ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff,
3471                     0xfc, mb, BIT_1|BIT_0);
3472                 if (rval != QLA_SUCCESS) {
3473                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3474                         return rval;
3475                 }
3476                 if (mb[0] != MBS_COMMAND_COMPLETE) {
3477                         ql_dbg(ql_dbg_disc, vha, 0x2042,
3478                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x mb[2]=%x "
3479                             "mb[6]=%x mb[7]=%x.\n", loop_id, mb[0], mb[1],
3480                             mb[2], mb[6], mb[7]);
3481                         return (QLA_SUCCESS);
3482                 }
3483
3484                 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) {
3485                         if (qla2x00_rft_id(vha)) {
3486                                 /* EMPTY */
3487                                 ql_dbg(ql_dbg_disc, vha, 0x2045,
3488                                     "Register FC-4 TYPE failed.\n");
3489                         }
3490                         if (qla2x00_rff_id(vha)) {
3491                                 /* EMPTY */
3492                                 ql_dbg(ql_dbg_disc, vha, 0x2049,
3493                                     "Register FC-4 Features failed.\n");
3494                         }
3495                         if (qla2x00_rnn_id(vha)) {
3496                                 /* EMPTY */
3497                                 ql_dbg(ql_dbg_disc, vha, 0x204f,
3498                                     "Register Node Name failed.\n");
3499                         } else if (qla2x00_rsnn_nn(vha)) {
3500                                 /* EMPTY */
3501                                 ql_dbg(ql_dbg_disc, vha, 0x2053,
3502                                     "Register Symobilic Node Name failed.\n");
3503                         }
3504                 }
3505
3506 #define QLA_FCPORT_SCAN         1
3507 #define QLA_FCPORT_FOUND        2
3508
3509                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3510                         fcport->scan_state = QLA_FCPORT_SCAN;
3511                 }
3512
3513                 /* Mark the time right before querying FW for connected ports.
3514                  * This process is long, asynchronous and by the time it's done,
3515                  * collected information might not be accurate anymore. E.g.
3516                  * disconnected port might have re-connected and a brand new
3517                  * session has been created. In this case session's generation
3518                  * will be newer than discovery_gen. */
3519                 qlt_do_generation_tick(vha, &discovery_gen);
3520
3521                 rval = qla2x00_find_all_fabric_devs(vha, &new_fcports);
3522                 if (rval != QLA_SUCCESS)
3523                         break;
3524
3525                 /*
3526                  * Logout all previous fabric devices marked lost, except
3527                  * FCP2 devices.
3528                  */
3529                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3530                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3531                                 break;
3532
3533                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
3534                                 continue;
3535
3536                         if (fcport->scan_state == QLA_FCPORT_SCAN) {
3537                                 if (qla_ini_mode_enabled(base_vha) &&
3538                                     atomic_read(&fcport->state) == FCS_ONLINE) {
3539                                         qla2x00_mark_device_lost(vha, fcport,
3540                                             ql2xplogiabsentdevice, 0);
3541                                         if (fcport->loop_id != FC_NO_LOOP_ID &&
3542                                             (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
3543                                             fcport->port_type != FCT_INITIATOR &&
3544                                             fcport->port_type != FCT_BROADCAST) {
3545                                                 ha->isp_ops->fabric_logout(vha,
3546                                                     fcport->loop_id,
3547                                                     fcport->d_id.b.domain,
3548                                                     fcport->d_id.b.area,
3549                                                     fcport->d_id.b.al_pa);
3550                                                 qla2x00_clear_loop_id(fcport);
3551                                         }
3552                                 } else if (!qla_ini_mode_enabled(base_vha)) {
3553                                         /*
3554                                          * In target mode, explicitly kill
3555                                          * sessions and log out of devices
3556                                          * that are gone, so that we don't
3557                                          * end up with an initiator using the
3558                                          * wrong ACL (if the fabric recycles
3559                                          * an FC address and we have a stale
3560                                          * session around) and so that we don't
3561                                          * report initiators that are no longer
3562                                          * on the fabric.
3563                                          */
3564                                         ql_dbg(ql_dbg_tgt_mgt, vha, 0xf077,
3565                                             "port gone, logging out/killing session: "
3566                                             "%8phC state 0x%x flags 0x%x fc4_type 0x%x "
3567                                             "scan_state %d\n",
3568                                             fcport->port_name,
3569                                             atomic_read(&fcport->state),
3570                                             fcport->flags, fcport->fc4_type,
3571                                             fcport->scan_state);
3572                                         qlt_fc_port_deleted(vha, fcport,
3573                                             discovery_gen);
3574                                 }
3575                         }
3576                 }
3577
3578                 /* Starting free loop ID. */
3579                 next_loopid = ha->min_external_loopid;
3580
3581                 /*
3582                  * Scan through our port list and login entries that need to be
3583                  * logged in.
3584                  */
3585                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3586                         if (atomic_read(&vha->loop_down_timer) ||
3587                             test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3588                                 break;
3589
3590                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
3591                             (fcport->flags & FCF_LOGIN_NEEDED) == 0)
3592                                 continue;
3593
3594                         /*
3595                          * If we're not an initiator, skip looking for devices
3596                          * and logging in.  There's no reason for us to do it,
3597                          * and it seems to actively cause problems in target
3598                          * mode if we race with the initiator logging into us
3599                          * (we might get the "port ID used" status back from
3600                          * our login command and log out the initiator, which
3601                          * seems to cause havoc).
3602                          */
3603                         if (!qla_ini_mode_enabled(base_vha)) {
3604                                 if (fcport->scan_state == QLA_FCPORT_FOUND) {
3605                                         ql_dbg(ql_dbg_tgt_mgt, vha, 0xf078,
3606                                             "port %8phC state 0x%x flags 0x%x fc4_type 0x%x "
3607                                             "scan_state %d (initiator mode disabled; skipping "
3608                                             "login)\n", fcport->port_name,
3609                                             atomic_read(&fcport->state),
3610                                             fcport->flags, fcport->fc4_type,
3611                                             fcport->scan_state);
3612                                 }
3613                                 continue;
3614                         }
3615
3616                         if (fcport->loop_id == FC_NO_LOOP_ID) {
3617                                 fcport->loop_id = next_loopid;
3618                                 rval = qla2x00_find_new_loop_id(
3619                                     base_vha, fcport);
3620                                 if (rval != QLA_SUCCESS) {
3621                                         /* Ran out of IDs to use */
3622                                         break;
3623                                 }
3624                         }
3625                         /* Login and update database */
3626                         qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
3627                 }
3628
3629                 /* Exit if out of loop IDs. */
3630                 if (rval != QLA_SUCCESS) {
3631                         break;
3632                 }
3633
3634                 /*
3635                  * Login and add the new devices to our port list.
3636                  */
3637                 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
3638                         if (atomic_read(&vha->loop_down_timer) ||
3639                             test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
3640                                 break;
3641
3642                         /*
3643                          * If we're not an initiator, skip looking for devices
3644                          * and logging in.  There's no reason for us to do it,
3645                          * and it seems to actively cause problems in target
3646                          * mode if we race with the initiator logging into us
3647                          * (we might get the "port ID used" status back from
3648                          * our login command and log out the initiator, which
3649                          * seems to cause havoc).
3650                          */
3651                         if (qla_ini_mode_enabled(base_vha)) {
3652                                 /* Find a new loop ID to use. */
3653                                 fcport->loop_id = next_loopid;
3654                                 rval = qla2x00_find_new_loop_id(base_vha,
3655                                     fcport);
3656                                 if (rval != QLA_SUCCESS) {
3657                                         /* Ran out of IDs to use */
3658                                         break;
3659                                 }
3660
3661                                 /* Login and update database */
3662                                 qla2x00_fabric_dev_login(vha, fcport,
3663                                     &next_loopid);
3664                         } else {
3665                                 ql_dbg(ql_dbg_tgt_mgt, vha, 0xf079,
3666                                         "new port %8phC state 0x%x flags 0x%x fc4_type "
3667                                         "0x%x scan_state %d (initiator mode disabled; "
3668                                         "skipping login)\n",
3669                                         fcport->port_name,
3670                                         atomic_read(&fcport->state),
3671                                         fcport->flags, fcport->fc4_type,
3672                                         fcport->scan_state);
3673                         }
3674
3675                         list_move_tail(&fcport->list, &vha->vp_fcports);
3676                 }
3677         } while (0);
3678
3679         /* Free all new device structures not processed. */
3680         list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
3681                 list_del(&fcport->list);
3682                 kfree(fcport);
3683         }
3684
3685         if (rval) {
3686                 ql_dbg(ql_dbg_disc, vha, 0x2068,
3687                     "Configure fabric error exit rval=%d.\n", rval);
3688         }
3689
3690         return (rval);
3691 }
3692
3693 /*
3694  * qla2x00_find_all_fabric_devs
3695  *
3696  * Input:
3697  *      ha = adapter block pointer.
3698  *      dev = database device entry pointer.
3699  *
3700  * Returns:
3701  *      0 = success.
3702  *
3703  * Context:
3704  *      Kernel context.
3705  */
3706 static int
3707 qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha,
3708         struct list_head *new_fcports)
3709 {
3710         int             rval;
3711         uint16_t        loop_id;
3712         fc_port_t       *fcport, *new_fcport, *fcptemp;
3713         int             found;
3714
3715         sw_info_t       *swl;
3716         int             swl_idx;
3717         int             first_dev, last_dev;
3718         port_id_t       wrap = {}, nxt_d_id;
3719         struct qla_hw_data *ha = vha->hw;
3720         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
3721
3722         rval = QLA_SUCCESS;
3723
3724         /* Try GID_PT to get device list, else GAN. */
3725         if (!ha->swl)
3726                 ha->swl = kcalloc(ha->max_fibre_devices, sizeof(sw_info_t),
3727                     GFP_KERNEL);
3728         swl = ha->swl;
3729         if (!swl) {
3730                 /*EMPTY*/
3731                 ql_dbg(ql_dbg_disc, vha, 0x2054,
3732                     "GID_PT allocations failed, fallback on GA_NXT.\n");
3733         } else {
3734                 memset(swl, 0, ha->max_fibre_devices * sizeof(sw_info_t));
3735                 if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) {
3736                         swl = NULL;
3737                 } else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) {
3738                         swl = NULL;
3739                 } else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) {
3740                         swl = NULL;
3741                 } else if (ql2xiidmaenable &&
3742                     qla2x00_gfpn_id(vha, swl) == QLA_SUCCESS) {
3743                         qla2x00_gpsc(vha, swl);
3744                 }
3745
3746                 /* If other queries succeeded probe for FC-4 type */
3747                 if (swl)
3748                         qla2x00_gff_id(vha, swl);
3749         }
3750         swl_idx = 0;
3751
3752         /* Allocate temporary fcport for any new fcports discovered. */
3753         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3754         if (new_fcport == NULL) {
3755                 ql_log(ql_log_warn, vha, 0x205e,
3756                     "Failed to allocate memory for fcport.\n");
3757                 return (QLA_MEMORY_ALLOC_FAILED);
3758         }
3759         new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
3760         /* Set start port ID scan at adapter ID. */
3761         first_dev = 1;
3762         last_dev = 0;
3763
3764         /* Starting free loop ID. */
3765         loop_id = ha->min_external_loopid;
3766         for (; loop_id <= ha->max_loop_id; loop_id++) {
3767                 if (qla2x00_is_reserved_id(vha, loop_id))
3768                         continue;
3769
3770                 if (ha->current_topology == ISP_CFG_FL &&
3771                     (atomic_read(&vha->loop_down_timer) ||
3772                      LOOP_TRANSITION(vha))) {
3773                         atomic_set(&vha->loop_down_timer, 0);
3774                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3775                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
3776                         break;
3777                 }
3778
3779                 if (swl != NULL) {
3780                         if (last_dev) {
3781                                 wrap.b24 = new_fcport->d_id.b24;
3782                         } else {
3783                                 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
3784                                 memcpy(new_fcport->node_name,
3785                                     swl[swl_idx].node_name, WWN_SIZE);
3786                                 memcpy(new_fcport->port_name,
3787                                     swl[swl_idx].port_name, WWN_SIZE);
3788                                 memcpy(new_fcport->fabric_port_name,
3789                                     swl[swl_idx].fabric_port_name, WWN_SIZE);
3790                                 new_fcport->fp_speed = swl[swl_idx].fp_speed;
3791                                 new_fcport->fc4_type = swl[swl_idx].fc4_type;
3792
3793                                 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
3794                                         last_dev = 1;
3795                                 }
3796                                 swl_idx++;
3797                         }
3798                 } else {
3799                         /* Send GA_NXT to the switch */
3800                         rval = qla2x00_ga_nxt(vha, new_fcport);
3801                         if (rval != QLA_SUCCESS) {
3802                                 ql_log(ql_log_warn, vha, 0x2064,
3803                                     "SNS scan failed -- assuming "
3804                                     "zero-entry result.\n");
3805                                 list_for_each_entry_safe(fcport, fcptemp,
3806                                     new_fcports, list) {
3807                                         list_del(&fcport->list);
3808                                         kfree(fcport);
3809                                 }
3810                                 rval = QLA_SUCCESS;
3811                                 break;
3812                         }
3813                 }
3814
3815                 /* If wrap on switch device list, exit. */
3816                 if (first_dev) {
3817                         wrap.b24 = new_fcport->d_id.b24;
3818                         first_dev = 0;
3819                 } else if (new_fcport->d_id.b24 == wrap.b24) {
3820                         ql_dbg(ql_dbg_disc, vha, 0x2065,
3821                             "Device wrap (%02x%02x%02x).\n",
3822                             new_fcport->d_id.b.domain,
3823                             new_fcport->d_id.b.area,
3824                             new_fcport->d_id.b.al_pa);
3825                         break;
3826                 }
3827
3828                 /* Bypass if same physical adapter. */
3829                 if (new_fcport->d_id.b24 == base_vha->d_id.b24)
3830                         continue;
3831
3832                 /* Bypass virtual ports of the same host. */
3833                 if (qla2x00_is_a_vp_did(vha, new_fcport->d_id.b24))
3834                         continue;
3835
3836                 /* Bypass if same domain and area of adapter. */
3837                 if (((new_fcport->d_id.b24 & 0xffff00) ==
3838                     (vha->d_id.b24 & 0xffff00)) && ha->current_topology ==
3839                         ISP_CFG_FL)
3840                             continue;
3841
3842                 /* Bypass reserved domain fields. */
3843                 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
3844                         continue;
3845
3846                 /* Bypass ports whose FCP-4 type is not FCP_SCSI */
3847                 if (ql2xgffidenable &&
3848                     (new_fcport->fc4_type != FC4_TYPE_FCP_SCSI &&
3849                     new_fcport->fc4_type != FC4_TYPE_UNKNOWN))
3850                         continue;
3851
3852                 /* Locate matching device in database. */
3853                 found = 0;
3854                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
3855                         if (memcmp(new_fcport->port_name, fcport->port_name,
3856                             WWN_SIZE))
3857                                 continue;
3858
3859                         fcport->scan_state = QLA_FCPORT_FOUND;
3860
3861                         found++;
3862
3863                         /* Update port state. */
3864                         memcpy(fcport->fabric_port_name,
3865                             new_fcport->fabric_port_name, WWN_SIZE);
3866                         fcport->fp_speed = new_fcport->fp_speed;
3867
3868                         /*
3869                          * If address the same and state FCS_ONLINE
3870                          * (or in target mode), nothing changed.
3871                          */
3872                         if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
3873                             (atomic_read(&fcport->state) == FCS_ONLINE ||
3874                              !qla_ini_mode_enabled(base_vha))) {
3875                                 break;
3876                         }
3877
3878                         /*
3879                          * If device was not a fabric device before.
3880                          */
3881                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
3882                                 fcport->d_id.b24 = new_fcport->d_id.b24;
3883                                 qla2x00_clear_loop_id(fcport);
3884                                 fcport->flags |= (FCF_FABRIC_DEVICE |
3885                                     FCF_LOGIN_NEEDED);
3886                                 break;
3887                         }
3888
3889                         /*
3890                          * Port ID changed or device was marked to be updated;
3891                          * Log it out if still logged in and mark it for
3892                          * relogin later.
3893                          */
3894                         if (!qla_ini_mode_enabled(base_vha)) {
3895                                 ql_dbg(ql_dbg_tgt_mgt, vha, 0xf080,
3896                                          "port changed FC ID, %8phC"
3897                                          " old %x:%x:%x (loop_id 0x%04x)-> new %x:%x:%x\n",
3898                                          fcport->port_name,
3899                                          fcport->d_id.b.domain,
3900                                          fcport->d_id.b.area,
3901                                          fcport->d_id.b.al_pa,
3902                                          fcport->loop_id,
3903                                          new_fcport->d_id.b.domain,
3904                                          new_fcport->d_id.b.area,
3905                                          new_fcport->d_id.b.al_pa);
3906                                 fcport->d_id.b24 = new_fcport->d_id.b24;
3907                                 break;
3908                         }
3909
3910                         fcport->d_id.b24 = new_fcport->d_id.b24;
3911                         fcport->flags |= FCF_LOGIN_NEEDED;
3912                         if (fcport->loop_id != FC_NO_LOOP_ID &&
3913                             (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
3914                             (fcport->flags & FCF_ASYNC_SENT) == 0 &&
3915                             fcport->port_type != FCT_INITIATOR &&
3916                             fcport->port_type != FCT_BROADCAST) {
3917                                 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
3918                                     fcport->d_id.b.domain, fcport->d_id.b.area,
3919                                     fcport->d_id.b.al_pa);
3920                                 qla2x00_clear_loop_id(fcport);
3921                         }
3922
3923                         break;
3924                 }
3925
3926                 if (found)
3927                         continue;
3928                 /* If device was not in our fcports list, then add it. */
3929                 new_fcport->scan_state = QLA_FCPORT_FOUND;
3930                 list_add_tail(&new_fcport->list, new_fcports);
3931
3932                 /* Allocate a new replacement fcport. */
3933                 nxt_d_id.b24 = new_fcport->d_id.b24;
3934                 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
3935                 if (new_fcport == NULL) {
3936                         ql_log(ql_log_warn, vha, 0x2066,
3937                             "Memory allocation failed for fcport.\n");
3938                         return (QLA_MEMORY_ALLOC_FAILED);
3939                 }
3940                 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
3941                 new_fcport->d_id.b24 = nxt_d_id.b24;
3942         }
3943
3944         kfree(new_fcport);
3945
3946         return (rval);
3947 }
3948
3949 /*
3950  * qla2x00_find_new_loop_id
3951  *      Scan through our port list and find a new usable loop ID.
3952  *
3953  * Input:
3954  *      ha:     adapter state pointer.
3955  *      dev:    port structure pointer.
3956  *
3957  * Returns:
3958  *      qla2x00 local function return status code.
3959  *
3960  * Context:
3961  *      Kernel context.
3962  */
3963 int
3964 qla2x00_find_new_loop_id(scsi_qla_host_t *vha, fc_port_t *dev)
3965 {
3966         int     rval;
3967         struct qla_hw_data *ha = vha->hw;
3968         unsigned long flags = 0;
3969
3970         rval = QLA_SUCCESS;
3971
3972         spin_lock_irqsave(&ha->vport_slock, flags);
3973
3974         dev->loop_id = find_first_zero_bit(ha->loop_id_map,
3975             LOOPID_MAP_SIZE);
3976         if (dev->loop_id >= LOOPID_MAP_SIZE ||
3977             qla2x00_is_reserved_id(vha, dev->loop_id)) {
3978                 dev->loop_id = FC_NO_LOOP_ID;
3979                 rval = QLA_FUNCTION_FAILED;
3980         } else
3981                 set_bit(dev->loop_id, ha->loop_id_map);
3982
3983         spin_unlock_irqrestore(&ha->vport_slock, flags);
3984
3985         if (rval == QLA_SUCCESS)
3986                 ql_dbg(ql_dbg_disc, dev->vha, 0x2086,
3987                     "Assigning new loopid=%x, portid=%x.\n",
3988                     dev->loop_id, dev->d_id.b24);
3989         else
3990                 ql_log(ql_log_warn, dev->vha, 0x2087,
3991                     "No loop_id's available, portid=%x.\n",
3992                     dev->d_id.b24);
3993
3994         return (rval);
3995 }
3996
3997 /*
3998  * qla2x00_fabric_dev_login
3999  *      Login fabric target device and update FC port database.
4000  *
4001  * Input:
4002  *      ha:             adapter state pointer.
4003  *      fcport:         port structure list pointer.
4004  *      next_loopid:    contains value of a new loop ID that can be used
4005  *                      by the next login attempt.
4006  *
4007  * Returns:
4008  *      qla2x00 local function return status code.
4009  *
4010  * Context:
4011  *      Kernel context.
4012  */
4013 static int
4014 qla2x00_fabric_dev_login(scsi_qla_host_t *vha, fc_port_t *fcport,
4015     uint16_t *next_loopid)
4016 {
4017         int     rval;
4018         uint8_t opts;
4019         struct qla_hw_data *ha = vha->hw;
4020
4021         rval = QLA_SUCCESS;
4022
4023         if (IS_ALOGIO_CAPABLE(ha)) {
4024                 if (fcport->flags & FCF_ASYNC_SENT)
4025                         return rval;
4026                 fcport->flags |= FCF_ASYNC_SENT;
4027                 rval = qla2x00_post_async_login_work(vha, fcport, NULL);
4028                 if (!rval)
4029                         return rval;
4030         }
4031
4032         fcport->flags &= ~FCF_ASYNC_SENT;
4033         rval = qla2x00_fabric_login(vha, fcport, next_loopid);
4034         if (rval == QLA_SUCCESS) {
4035                 /* Send an ADISC to FCP2 devices.*/
4036                 opts = 0;
4037                 if (fcport->flags & FCF_FCP2_DEVICE)
4038                         opts |= BIT_1;
4039                 rval = qla2x00_get_port_database(vha, fcport, opts);
4040                 if (rval != QLA_SUCCESS) {
4041                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
4042                             fcport->d_id.b.domain, fcport->d_id.b.area,
4043                             fcport->d_id.b.al_pa);
4044                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
4045                 } else {
4046                         qla2x00_update_fcport(vha, fcport);
4047                 }
4048         } else {
4049                 /* Retry Login. */
4050                 qla2x00_mark_device_lost(vha, fcport, 1, 0);
4051         }
4052
4053         return (rval);
4054 }
4055
4056 /*
4057  * qla2x00_fabric_login
4058  *      Issue fabric login command.
4059  *
4060  * Input:
4061  *      ha = adapter block pointer.
4062  *      device = pointer to FC device type structure.
4063  *
4064  * Returns:
4065  *      0 - Login successfully
4066  *      1 - Login failed
4067  *      2 - Initiator device
4068  *      3 - Fatal error
4069  */
4070 int
4071 qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport,
4072     uint16_t *next_loopid)
4073 {
4074         int     rval;
4075         int     retry;
4076         uint16_t tmp_loopid;
4077         uint16_t mb[MAILBOX_REGISTER_COUNT];
4078         struct qla_hw_data *ha = vha->hw;
4079
4080         retry = 0;
4081         tmp_loopid = 0;
4082
4083         for (;;) {
4084                 ql_dbg(ql_dbg_disc, vha, 0x2000,
4085                     "Trying Fabric Login w/loop id 0x%04x for port "
4086                     "%02x%02x%02x.\n",
4087                     fcport->loop_id, fcport->d_id.b.domain,
4088                     fcport->d_id.b.area, fcport->d_id.b.al_pa);
4089
4090                 /* Login fcport on switch. */
4091                 rval = ha->isp_ops->fabric_login(vha, fcport->loop_id,
4092                     fcport->d_id.b.domain, fcport->d_id.b.area,
4093                     fcport->d_id.b.al_pa, mb, BIT_0);
4094                 if (rval != QLA_SUCCESS) {
4095                         return rval;
4096                 }
4097                 if (mb[0] == MBS_PORT_ID_USED) {
4098                         /*
4099                          * Device has another loop ID.  The firmware team
4100                          * recommends the driver perform an implicit login with
4101                          * the specified ID again. The ID we just used is save
4102                          * here so we return with an ID that can be tried by
4103                          * the next login.
4104                          */
4105                         retry++;
4106                         tmp_loopid = fcport->loop_id;
4107                         fcport->loop_id = mb[1];
4108
4109                         ql_dbg(ql_dbg_disc, vha, 0x2001,
4110                             "Fabric Login: port in use - next loop "
4111                             "id=0x%04x, port id= %02x%02x%02x.\n",
4112                             fcport->loop_id, fcport->d_id.b.domain,
4113                             fcport->d_id.b.area, fcport->d_id.b.al_pa);
4114
4115                 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
4116                         /*
4117                          * Login succeeded.
4118                          */
4119                         if (retry) {
4120                                 /* A retry occurred before. */
4121                                 *next_loopid = tmp_loopid;
4122                         } else {
4123                                 /*
4124                                  * No retry occurred before. Just increment the
4125                                  * ID value for next login.
4126                                  */
4127                                 *next_loopid = (fcport->loop_id + 1);
4128                         }
4129
4130                         if (mb[1] & BIT_0) {
4131                                 fcport->port_type = FCT_INITIATOR;
4132                         } else {
4133                                 fcport->port_type = FCT_TARGET;
4134                                 if (mb[1] & BIT_1) {
4135                                         fcport->flags |= FCF_FCP2_DEVICE;
4136                                 }
4137                         }
4138
4139                         if (mb[10] & BIT_0)
4140                                 fcport->supported_classes |= FC_COS_CLASS2;
4141                         if (mb[10] & BIT_1)
4142                                 fcport->supported_classes |= FC_COS_CLASS3;
4143
4144                         if (IS_FWI2_CAPABLE(ha)) {
4145                                 if (mb[10] & BIT_7)
4146                                         fcport->flags |=
4147                                             FCF_CONF_COMP_SUPPORTED;
4148                         }
4149
4150                         rval = QLA_SUCCESS;
4151                         break;
4152                 } else if (mb[0] == MBS_LOOP_ID_USED) {
4153                         /*
4154                          * Loop ID already used, try next loop ID.
4155                          */
4156                         fcport->loop_id++;
4157                         rval = qla2x00_find_new_loop_id(vha, fcport);
4158                         if (rval != QLA_SUCCESS) {
4159                                 /* Ran out of loop IDs to use */
4160                                 break;
4161                         }
4162                 } else if (mb[0] == MBS_COMMAND_ERROR) {
4163                         /*
4164                          * Firmware possibly timed out during login. If NO
4165                          * retries are left to do then the device is declared
4166                          * dead.
4167                          */
4168                         *next_loopid = fcport->loop_id;
4169                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
4170                             fcport->d_id.b.domain, fcport->d_id.b.area,
4171                             fcport->d_id.b.al_pa);
4172                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
4173
4174                         rval = 1;
4175                         break;
4176                 } else {
4177                         /*
4178                          * unrecoverable / not handled error
4179                          */
4180                         ql_dbg(ql_dbg_disc, vha, 0x2002,
4181                             "Failed=%x port_id=%02x%02x%02x loop_id=%x "
4182                             "jiffies=%lx.\n", mb[0], fcport->d_id.b.domain,
4183                             fcport->d_id.b.area, fcport->d_id.b.al_pa,
4184                             fcport->loop_id, jiffies);
4185
4186                         *next_loopid = fcport->loop_id;
4187                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
4188                             fcport->d_id.b.domain, fcport->d_id.b.area,
4189                             fcport->d_id.b.al_pa);
4190                         qla2x00_clear_loop_id(fcport);
4191                         fcport->login_retry = 0;
4192
4193                         rval = 3;
4194                         break;
4195                 }
4196         }
4197
4198         return (rval);
4199 }
4200
4201 /*
4202  * qla2x00_local_device_login
4203  *      Issue local device login command.
4204  *
4205  * Input:
4206  *      ha = adapter block pointer.
4207  *      loop_id = loop id of device to login to.
4208  *
4209  * Returns (Where's the #define!!!!):
4210  *      0 - Login successfully
4211  *      1 - Login failed
4212  *      3 - Fatal error
4213  */
4214 int
4215 qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport)
4216 {
4217         int             rval;
4218         uint16_t        mb[MAILBOX_REGISTER_COUNT];
4219
4220         memset(mb, 0, sizeof(mb));
4221         rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0);
4222         if (rval == QLA_SUCCESS) {
4223                 /* Interrogate mailbox registers for any errors */
4224                 if (mb[0] == MBS_COMMAND_ERROR)
4225                         rval = 1;
4226                 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
4227                         /* device not in PCB table */
4228                         rval = 3;
4229         }
4230
4231         return (rval);
4232 }
4233
4234 /*
4235  *  qla2x00_loop_resync
4236  *      Resync with fibre channel devices.
4237  *
4238  * Input:
4239  *      ha = adapter block pointer.
4240  *
4241  * Returns:
4242  *      0 = success
4243  */
4244 int
4245 qla2x00_loop_resync(scsi_qla_host_t *vha)
4246 {
4247         int rval = QLA_SUCCESS;
4248         uint32_t wait_time;
4249         struct req_que *req;
4250         struct rsp_que *rsp;
4251
4252         if (vha->hw->flags.cpu_affinity_enabled)
4253                 req = vha->hw->req_q_map[0];
4254         else
4255                 req = vha->req;
4256         rsp = req->rsp;
4257
4258         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4259         if (vha->flags.online) {
4260                 if (!(rval = qla2x00_fw_ready(vha))) {
4261                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
4262                         wait_time = 256;
4263                         do {
4264                                 if (!IS_QLAFX00(vha->hw)) {
4265                                         /*
4266                                          * Issue a marker after FW becomes
4267                                          * ready.
4268                                          */
4269                                         qla2x00_marker(vha, req, rsp, 0, 0,
4270                                                 MK_SYNC_ALL);
4271                                         vha->marker_needed = 0;
4272                                 }
4273
4274                                 /* Remap devices on Loop. */
4275                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4276
4277                                 if (IS_QLAFX00(vha->hw))
4278                                         qlafx00_configure_devices(vha);
4279                                 else
4280                                         qla2x00_configure_loop(vha);
4281
4282                                 wait_time--;
4283                         } while (!atomic_read(&vha->loop_down_timer) &&
4284                                 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
4285                                 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
4286                                 &vha->dpc_flags)));
4287                 }
4288         }
4289
4290         if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
4291                 return (QLA_FUNCTION_FAILED);
4292
4293         if (rval)
4294                 ql_dbg(ql_dbg_disc, vha, 0x206c,
4295                     "%s *** FAILED ***.\n", __func__);
4296
4297         return (rval);
4298 }
4299
4300 /*
4301 * qla2x00_perform_loop_resync
4302 * Description: This function will set the appropriate flags and call
4303 *              qla2x00_loop_resync. If successful loop will be resynced
4304 * Arguments : scsi_qla_host_t pointer
4305 * returm    : Success or Failure
4306 */
4307
4308 int qla2x00_perform_loop_resync(scsi_qla_host_t *ha)
4309 {
4310         int32_t rval = 0;
4311
4312         if (!test_and_set_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags)) {
4313                 /*Configure the flags so that resync happens properly*/
4314                 atomic_set(&ha->loop_down_timer, 0);
4315                 if (!(ha->device_flags & DFLG_NO_CABLE)) {
4316                         atomic_set(&ha->loop_state, LOOP_UP);
4317                         set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
4318                         set_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags);
4319                         set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
4320
4321                         rval = qla2x00_loop_resync(ha);
4322                 } else
4323                         atomic_set(&ha->loop_state, LOOP_DEAD);
4324
4325                 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
4326         }
4327
4328         return rval;
4329 }
4330
4331 void
4332 qla2x00_update_fcports(scsi_qla_host_t *base_vha)
4333 {
4334         fc_port_t *fcport;
4335         struct scsi_qla_host *vha;
4336         struct qla_hw_data *ha = base_vha->hw;
4337         unsigned long flags;
4338
4339         spin_lock_irqsave(&ha->vport_slock, flags);
4340         /* Go with deferred removal of rport references. */
4341         list_for_each_entry(vha, &base_vha->hw->vp_list, list) {
4342                 atomic_inc(&vha->vref_count);
4343                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
4344                         if (fcport->drport &&
4345                             atomic_read(&fcport->state) != FCS_UNCONFIGURED) {
4346                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4347                                 qla2x00_rport_del(fcport);
4348
4349                                 /*
4350                                  * Release the target mode FC NEXUS in
4351                                  * qla_target.c, if target mod is enabled.
4352                                  */
4353                                 qlt_fc_port_deleted(vha, fcport,
4354                                     base_vha->total_fcport_update_gen);
4355
4356                                 spin_lock_irqsave(&ha->vport_slock, flags);
4357                         }
4358                 }
4359                 atomic_dec(&vha->vref_count);
4360                 wake_up(&vha->vref_waitq);
4361         }
4362         spin_unlock_irqrestore(&ha->vport_slock, flags);
4363 }
4364
4365 /* Assumes idc_lock always held on entry */
4366 void
4367 qla83xx_reset_ownership(scsi_qla_host_t *vha)
4368 {
4369         struct qla_hw_data *ha = vha->hw;
4370         uint32_t drv_presence, drv_presence_mask;
4371         uint32_t dev_part_info1, dev_part_info2, class_type;
4372         uint32_t class_type_mask = 0x3;
4373         uint16_t fcoe_other_function = 0xffff, i;
4374
4375         if (IS_QLA8044(ha)) {
4376                 drv_presence = qla8044_rd_direct(vha,
4377                     QLA8044_CRB_DRV_ACTIVE_INDEX);
4378                 dev_part_info1 = qla8044_rd_direct(vha,
4379                     QLA8044_CRB_DEV_PART_INFO_INDEX);
4380                 dev_part_info2 = qla8044_rd_direct(vha,
4381                     QLA8044_CRB_DEV_PART_INFO2);
4382         } else {
4383                 qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
4384                 qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO1, &dev_part_info1);
4385                 qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO2, &dev_part_info2);
4386         }
4387         for (i = 0; i < 8; i++) {
4388                 class_type = ((dev_part_info1 >> (i * 4)) & class_type_mask);
4389                 if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
4390                     (i != ha->portnum)) {
4391                         fcoe_other_function = i;
4392                         break;
4393                 }
4394         }
4395         if (fcoe_other_function == 0xffff) {
4396                 for (i = 0; i < 8; i++) {
4397                         class_type = ((dev_part_info2 >> (i * 4)) &
4398                             class_type_mask);
4399                         if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
4400                             ((i + 8) != ha->portnum)) {
4401                                 fcoe_other_function = i + 8;
4402                                 break;
4403                         }
4404                 }
4405         }
4406         /*
4407          * Prepare drv-presence mask based on fcoe functions present.
4408          * However consider only valid physical fcoe function numbers (0-15).
4409          */
4410         drv_presence_mask = ~((1 << (ha->portnum)) |
4411                         ((fcoe_other_function == 0xffff) ?
4412                          0 : (1 << (fcoe_other_function))));
4413
4414         /* We are the reset owner iff:
4415          *    - No other protocol drivers present.
4416          *    - This is the lowest among fcoe functions. */
4417         if (!(drv_presence & drv_presence_mask) &&
4418                         (ha->portnum < fcoe_other_function)) {
4419                 ql_dbg(ql_dbg_p3p, vha, 0xb07f,
4420                     "This host is Reset owner.\n");
4421                 ha->flags.nic_core_reset_owner = 1;
4422         }
4423 }
4424
4425 static int
4426 __qla83xx_set_drv_ack(scsi_qla_host_t *vha)
4427 {
4428         int rval = QLA_SUCCESS;
4429         struct qla_hw_data *ha = vha->hw;
4430         uint32_t drv_ack;
4431
4432         rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
4433         if (rval == QLA_SUCCESS) {
4434                 drv_ack |= (1 << ha->portnum);
4435                 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
4436         }
4437
4438         return rval;
4439 }
4440
4441 static int
4442 __qla83xx_clear_drv_ack(scsi_qla_host_t *vha)
4443 {
4444         int rval = QLA_SUCCESS;
4445         struct qla_hw_data *ha = vha->hw;
4446         uint32_t drv_ack;
4447
4448         rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
4449         if (rval == QLA_SUCCESS) {
4450                 drv_ack &= ~(1 << ha->portnum);
4451                 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
4452         }
4453
4454         return rval;
4455 }
4456
4457 static const char *
4458 qla83xx_dev_state_to_string(uint32_t dev_state)
4459 {
4460         switch (dev_state) {
4461         case QLA8XXX_DEV_COLD:
4462                 return "COLD/RE-INIT";
4463         case QLA8XXX_DEV_INITIALIZING:
4464                 return "INITIALIZING";
4465         case QLA8XXX_DEV_READY:
4466                 return "READY";
4467         case QLA8XXX_DEV_NEED_RESET:
4468                 return "NEED RESET";
4469         case QLA8XXX_DEV_NEED_QUIESCENT:
4470                 return "NEED QUIESCENT";
4471         case QLA8XXX_DEV_FAILED:
4472                 return "FAILED";
4473         case QLA8XXX_DEV_QUIESCENT:
4474                 return "QUIESCENT";
4475         default:
4476                 return "Unknown";
4477         }
4478 }
4479
4480 /* Assumes idc-lock always held on entry */
4481 void
4482 qla83xx_idc_audit(scsi_qla_host_t *vha, int audit_type)
4483 {
4484         struct qla_hw_data *ha = vha->hw;
4485         uint32_t idc_audit_reg = 0, duration_secs = 0;
4486
4487         switch (audit_type) {
4488         case IDC_AUDIT_TIMESTAMP:
4489                 ha->idc_audit_ts = (jiffies_to_msecs(jiffies) / 1000);
4490                 idc_audit_reg = (ha->portnum) |
4491                     (IDC_AUDIT_TIMESTAMP << 7) | (ha->idc_audit_ts << 8);
4492                 qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
4493                 break;
4494
4495         case IDC_AUDIT_COMPLETION:
4496                 duration_secs = ((jiffies_to_msecs(jiffies) -
4497                     jiffies_to_msecs(ha->idc_audit_ts)) / 1000);
4498                 idc_audit_reg = (ha->portnum) |
4499                     (IDC_AUDIT_COMPLETION << 7) | (duration_secs << 8);
4500                 qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
4501                 break;
4502
4503         default:
4504                 ql_log(ql_log_warn, vha, 0xb078,
4505                     "Invalid audit type specified.\n");
4506                 break;
4507         }
4508 }
4509
4510 /* Assumes idc_lock always held on entry */
4511 static int
4512 qla83xx_initiating_reset(scsi_qla_host_t *vha)
4513 {
4514         struct qla_hw_data *ha = vha->hw;
4515         uint32_t  idc_control, dev_state;
4516
4517         __qla83xx_get_idc_control(vha, &idc_control);
4518         if ((idc_control & QLA83XX_IDC_RESET_DISABLED)) {
4519                 ql_log(ql_log_info, vha, 0xb080,
4520                     "NIC Core reset has been disabled. idc-control=0x%x\n",
4521                     idc_control);
4522                 return QLA_FUNCTION_FAILED;
4523         }
4524
4525         /* Set NEED-RESET iff in READY state and we are the reset-owner */
4526         qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
4527         if (ha->flags.nic_core_reset_owner && dev_state == QLA8XXX_DEV_READY) {
4528                 qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
4529                     QLA8XXX_DEV_NEED_RESET);
4530                 ql_log(ql_log_info, vha, 0xb056, "HW State: NEED RESET.\n");
4531                 qla83xx_idc_audit(vha, IDC_AUDIT_TIMESTAMP);
4532         } else {
4533                 const char *state = qla83xx_dev_state_to_string(dev_state);
4534                 ql_log(ql_log_info, vha, 0xb057, "HW State: %s.\n", state);
4535
4536                 /* SV: XXX: Is timeout required here? */
4537                 /* Wait for IDC state change READY -> NEED_RESET */
4538                 while (dev_state == QLA8XXX_DEV_READY) {
4539                         qla83xx_idc_unlock(vha, 0);
4540                         msleep(200);
4541                         qla83xx_idc_lock(vha, 0);
4542                         qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
4543                 }
4544         }
4545
4546         /* Send IDC ack by writing to drv-ack register */
4547         __qla83xx_set_drv_ack(vha);
4548
4549         return QLA_SUCCESS;
4550 }
4551
4552 int
4553 __qla83xx_set_idc_control(scsi_qla_host_t *vha, uint32_t idc_control)
4554 {
4555         return qla83xx_wr_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
4556 }
4557
4558 int
4559 __qla83xx_get_idc_control(scsi_qla_host_t *vha, uint32_t *idc_control)
4560 {
4561         return qla83xx_rd_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
4562 }
4563
4564 static int
4565 qla83xx_check_driver_presence(scsi_qla_host_t *vha)
4566 {
4567         uint32_t drv_presence = 0;
4568         struct qla_hw_data *ha = vha->hw;
4569
4570         qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
4571         if (drv_presence & (1 << ha->portnum))
4572                 return QLA_SUCCESS;
4573         else
4574                 return QLA_TEST_FAILED;
4575 }
4576
4577 int
4578 qla83xx_nic_core_reset(scsi_qla_host_t *vha)
4579 {
4580         int rval = QLA_SUCCESS;
4581         struct qla_hw_data *ha = vha->hw;
4582
4583         ql_dbg(ql_dbg_p3p, vha, 0xb058,
4584             "Entered  %s().\n", __func__);
4585
4586         if (vha->device_flags & DFLG_DEV_FAILED) {
4587                 ql_log(ql_log_warn, vha, 0xb059,
4588                     "Device in unrecoverable FAILED state.\n");
4589                 return QLA_FUNCTION_FAILED;
4590         }
4591
4592         qla83xx_idc_lock(vha, 0);
4593
4594         if (qla83xx_check_driver_presence(vha) != QLA_SUCCESS) {
4595                 ql_log(ql_log_warn, vha, 0xb05a,
4596                     "Function=0x%x has been removed from IDC participation.\n",
4597                     ha->portnum);
4598                 rval = QLA_FUNCTION_FAILED;
4599                 goto exit;
4600         }
4601
4602         qla83xx_reset_ownership(vha);
4603
4604         rval = qla83xx_initiating_reset(vha);
4605
4606         /*
4607          * Perform reset if we are the reset-owner,
4608          * else wait till IDC state changes to READY/FAILED.
4609          */
4610         if (rval == QLA_SUCCESS) {
4611                 rval = qla83xx_idc_state_handler(vha);
4612
4613                 if (rval == QLA_SUCCESS)
4614                         ha->flags.nic_core_hung = 0;
4615                 __qla83xx_clear_drv_ack(vha);
4616         }
4617
4618 exit:
4619         qla83xx_idc_unlock(vha, 0);
4620
4621         ql_dbg(ql_dbg_p3p, vha, 0xb05b, "Exiting %s.\n", __func__);
4622
4623         return rval;
4624 }
4625
4626 int
4627 qla2xxx_mctp_dump(scsi_qla_host_t *vha)
4628 {
4629         struct qla_hw_data *ha = vha->hw;
4630         int rval = QLA_FUNCTION_FAILED;
4631
4632         if (!IS_MCTP_CAPABLE(ha)) {
4633                 /* This message can be removed from the final version */
4634                 ql_log(ql_log_info, vha, 0x506d,
4635                     "This board is not MCTP capable\n");
4636                 return rval;
4637         }
4638
4639         if (!ha->mctp_dump) {
4640                 ha->mctp_dump = dma_alloc_coherent(&ha->pdev->dev,
4641                     MCTP_DUMP_SIZE, &ha->mctp_dump_dma, GFP_KERNEL);
4642
4643                 if (!ha->mctp_dump) {
4644                         ql_log(ql_log_warn, vha, 0x506e,
4645                             "Failed to allocate memory for mctp dump\n");
4646                         return rval;
4647                 }
4648         }
4649
4650 #define MCTP_DUMP_STR_ADDR      0x00000000
4651         rval = qla2x00_dump_mctp_data(vha, ha->mctp_dump_dma,
4652             MCTP_DUMP_STR_ADDR, MCTP_DUMP_SIZE/4);
4653         if (rval != QLA_SUCCESS) {
4654                 ql_log(ql_log_warn, vha, 0x506f,
4655                     "Failed to capture mctp dump\n");
4656         } else {
4657                 ql_log(ql_log_info, vha, 0x5070,
4658                     "Mctp dump capture for host (%ld/%p).\n",
4659                     vha->host_no, ha->mctp_dump);
4660                 ha->mctp_dumped = 1;
4661         }
4662
4663         if (!ha->flags.nic_core_reset_hdlr_active && !ha->portnum) {
4664                 ha->flags.nic_core_reset_hdlr_active = 1;
4665                 rval = qla83xx_restart_nic_firmware(vha);
4666                 if (rval)
4667                         /* NIC Core reset failed. */
4668                         ql_log(ql_log_warn, vha, 0x5071,
4669                             "Failed to restart nic firmware\n");
4670                 else
4671                         ql_dbg(ql_dbg_p3p, vha, 0xb084,
4672                             "Restarted NIC firmware successfully.\n");
4673                 ha->flags.nic_core_reset_hdlr_active = 0;
4674         }
4675
4676         return rval;
4677
4678 }
4679
4680 /*
4681 * qla2x00_quiesce_io
4682 * Description: This function will block the new I/Os
4683 *              Its not aborting any I/Os as context
4684 *              is not destroyed during quiescence
4685 * Arguments: scsi_qla_host_t
4686 * return   : void
4687 */
4688 void
4689 qla2x00_quiesce_io(scsi_qla_host_t *vha)
4690 {
4691         struct qla_hw_data *ha = vha->hw;
4692         struct scsi_qla_host *vp;
4693
4694         ql_dbg(ql_dbg_dpc, vha, 0x401d,
4695             "Quiescing I/O - ha=%p.\n", ha);
4696
4697         atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
4698         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
4699                 atomic_set(&vha->loop_state, LOOP_DOWN);
4700                 qla2x00_mark_all_devices_lost(vha, 0);
4701                 list_for_each_entry(vp, &ha->vp_list, list)
4702                         qla2x00_mark_all_devices_lost(vp, 0);
4703         } else {
4704                 if (!atomic_read(&vha->loop_down_timer))
4705                         atomic_set(&vha->loop_down_timer,
4706                                         LOOP_DOWN_TIME);
4707         }
4708         /* Wait for pending cmds to complete */
4709         qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST);
4710 }
4711
4712 void
4713 qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha)
4714 {
4715         struct qla_hw_data *ha = vha->hw;
4716         struct scsi_qla_host *vp;
4717         unsigned long flags;
4718         fc_port_t *fcport;
4719
4720         /* For ISP82XX, driver waits for completion of the commands.
4721          * online flag should be set.
4722          */
4723         if (!(IS_P3P_TYPE(ha)))
4724                 vha->flags.online = 0;
4725         ha->flags.chip_reset_done = 0;
4726         clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
4727         vha->qla_stats.total_isp_aborts++;
4728
4729         ql_log(ql_log_info, vha, 0x00af,
4730             "Performing ISP error recovery - ha=%p.\n", ha);
4731
4732         /* For ISP82XX, reset_chip is just disabling interrupts.
4733          * Driver waits for the completion of the commands.
4734          * the interrupts need to be enabled.
4735          */
4736         if (!(IS_P3P_TYPE(ha)))
4737                 ha->isp_ops->reset_chip(vha);
4738
4739         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
4740         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
4741                 atomic_set(&vha->loop_state, LOOP_DOWN);
4742                 qla2x00_mark_all_devices_lost(vha, 0);
4743
4744                 spin_lock_irqsave(&ha->vport_slock, flags);
4745                 list_for_each_entry(vp, &ha->vp_list, list) {
4746                         atomic_inc(&vp->vref_count);
4747                         spin_unlock_irqrestore(&ha->vport_slock, flags);
4748
4749                         qla2x00_mark_all_devices_lost(vp, 0);
4750
4751                         spin_lock_irqsave(&ha->vport_slock, flags);
4752                         atomic_dec(&vp->vref_count);
4753                 }
4754                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4755         } else {
4756                 if (!atomic_read(&vha->loop_down_timer))
4757                         atomic_set(&vha->loop_down_timer,
4758                             LOOP_DOWN_TIME);
4759         }
4760
4761         /* Clear all async request states across all VPs. */
4762         list_for_each_entry(fcport, &vha->vp_fcports, list)
4763                 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
4764         spin_lock_irqsave(&ha->vport_slock, flags);
4765         list_for_each_entry(vp, &ha->vp_list, list) {
4766                 atomic_inc(&vp->vref_count);
4767                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4768
4769                 list_for_each_entry(fcport, &vp->vp_fcports, list)
4770                         fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
4771
4772                 spin_lock_irqsave(&ha->vport_slock, flags);
4773                 atomic_dec(&vp->vref_count);
4774         }
4775         spin_unlock_irqrestore(&ha->vport_slock, flags);
4776
4777         if (!ha->flags.eeh_busy) {
4778                 /* Make sure for ISP 82XX IO DMA is complete */
4779                 if (IS_P3P_TYPE(ha)) {
4780                         qla82xx_chip_reset_cleanup(vha);
4781                         ql_log(ql_log_info, vha, 0x00b4,
4782                             "Done chip reset cleanup.\n");
4783
4784                         /* Done waiting for pending commands.
4785                          * Reset the online flag.
4786                          */
4787                         vha->flags.online = 0;
4788                 }
4789
4790                 /* Requeue all commands in outstanding command list. */
4791                 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
4792         }
4793
4794         ha->chip_reset++;
4795         /* memory barrier */
4796         wmb();
4797 }
4798
4799 /*
4800 *  qla2x00_abort_isp
4801 *      Resets ISP and aborts all outstanding commands.
4802 *
4803 * Input:
4804 *      ha           = adapter block pointer.
4805 *
4806 * Returns:
4807 *      0 = success
4808 */
4809 int
4810 qla2x00_abort_isp(scsi_qla_host_t *vha)
4811 {
4812         int rval;
4813         uint8_t        status = 0;
4814         struct qla_hw_data *ha = vha->hw;
4815         struct scsi_qla_host *vp;
4816         struct req_que *req = ha->req_q_map[0];
4817         unsigned long flags;
4818
4819         if (vha->flags.online) {
4820                 qla2x00_abort_isp_cleanup(vha);
4821
4822                 if (IS_QLA8031(ha)) {
4823                         ql_dbg(ql_dbg_p3p, vha, 0xb05c,
4824                             "Clearing fcoe driver presence.\n");
4825                         if (qla83xx_clear_drv_presence(vha) != QLA_SUCCESS)
4826                                 ql_dbg(ql_dbg_p3p, vha, 0xb073,
4827                                     "Error while clearing DRV-Presence.\n");
4828                 }
4829
4830                 if (unlikely(pci_channel_offline(ha->pdev) &&
4831                     ha->flags.pci_channel_io_perm_failure)) {
4832                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4833                         status = 0;
4834                         return status;
4835                 }
4836
4837                 ha->isp_ops->get_flash_version(vha, req->ring);
4838
4839                 ha->isp_ops->nvram_config(vha);
4840
4841                 if (!qla2x00_restart_isp(vha)) {
4842                         clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4843
4844                         if (!atomic_read(&vha->loop_down_timer)) {
4845                                 /*
4846                                  * Issue marker command only when we are going
4847                                  * to start the I/O .
4848                                  */
4849                                 vha->marker_needed = 1;
4850                         }
4851
4852                         vha->flags.online = 1;
4853
4854                         ha->isp_ops->enable_intrs(ha);
4855
4856                         ha->isp_abort_cnt = 0;
4857                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4858
4859                         if (IS_QLA81XX(ha) || IS_QLA8031(ha))
4860                                 qla2x00_get_fw_version(vha);
4861                         if (ha->fce) {
4862                                 ha->flags.fce_enabled = 1;
4863                                 memset(ha->fce, 0,
4864                                     fce_calc_size(ha->fce_bufs));
4865                                 rval = qla2x00_enable_fce_trace(vha,
4866                                     ha->fce_dma, ha->fce_bufs, ha->fce_mb,
4867                                     &ha->fce_bufs);
4868                                 if (rval) {
4869                                         ql_log(ql_log_warn, vha, 0x8033,
4870                                             "Unable to reinitialize FCE "
4871                                             "(%d).\n", rval);
4872                                         ha->flags.fce_enabled = 0;
4873                                 }
4874                         }
4875
4876                         if (ha->eft) {
4877                                 memset(ha->eft, 0, EFT_SIZE);
4878                                 rval = qla2x00_enable_eft_trace(vha,
4879                                     ha->eft_dma, EFT_NUM_BUFFERS);
4880                                 if (rval) {
4881                                         ql_log(ql_log_warn, vha, 0x8034,
4882                                             "Unable to reinitialize EFT "
4883                                             "(%d).\n", rval);
4884                                 }
4885                         }
4886                 } else {        /* failed the ISP abort */
4887                         vha->flags.online = 1;
4888                         if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
4889                                 if (ha->isp_abort_cnt == 0) {
4890                                         ql_log(ql_log_fatal, vha, 0x8035,
4891                                             "ISP error recover failed - "
4892                                             "board disabled.\n");
4893                                         /*
4894                                          * The next call disables the board
4895                                          * completely.
4896                                          */
4897                                         qla2x00_abort_isp_cleanup(vha);
4898                                         vha->flags.online = 0;
4899                                         clear_bit(ISP_ABORT_RETRY,
4900                                             &vha->dpc_flags);
4901                                         status = 0;
4902                                 } else { /* schedule another ISP abort */
4903                                         ha->isp_abort_cnt--;
4904                                         ql_dbg(ql_dbg_taskm, vha, 0x8020,
4905                                             "ISP abort - retry remaining %d.\n",
4906                                             ha->isp_abort_cnt);
4907                                         status = 1;
4908                                 }
4909                         } else {
4910                                 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
4911                                 ql_dbg(ql_dbg_taskm, vha, 0x8021,
4912                                     "ISP error recovery - retrying (%d) "
4913                                     "more times.\n", ha->isp_abort_cnt);
4914                                 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
4915                                 status = 1;
4916                         }
4917                 }
4918
4919         }
4920
4921         if (!status) {
4922                 ql_dbg(ql_dbg_taskm, vha, 0x8022, "%s succeeded.\n", __func__);
4923
4924                 spin_lock_irqsave(&ha->vport_slock, flags);
4925                 list_for_each_entry(vp, &ha->vp_list, list) {
4926                         if (vp->vp_idx) {
4927                                 atomic_inc(&vp->vref_count);
4928                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4929
4930                                 qla2x00_vp_abort_isp(vp);
4931
4932                                 spin_lock_irqsave(&ha->vport_slock, flags);
4933                                 atomic_dec(&vp->vref_count);
4934                         }
4935                 }
4936                 spin_unlock_irqrestore(&ha->vport_slock, flags);
4937
4938                 if (IS_QLA8031(ha)) {
4939                         ql_dbg(ql_dbg_p3p, vha, 0xb05d,
4940                             "Setting back fcoe driver presence.\n");
4941                         if (qla83xx_set_drv_presence(vha) != QLA_SUCCESS)
4942                                 ql_dbg(ql_dbg_p3p, vha, 0xb074,
4943                                     "Error while setting DRV-Presence.\n");
4944                 }
4945         } else {
4946                 ql_log(ql_log_warn, vha, 0x8023, "%s **** FAILED ****.\n",
4947                        __func__);
4948         }
4949
4950         return(status);
4951 }
4952
4953 /*
4954 *  qla2x00_restart_isp
4955 *      restarts the ISP after a reset
4956 *
4957 * Input:
4958 *      ha = adapter block pointer.
4959 *
4960 * Returns:
4961 *      0 = success
4962 */
4963 static int
4964 qla2x00_restart_isp(scsi_qla_host_t *vha)
4965 {
4966         int status = 0;
4967         struct qla_hw_data *ha = vha->hw;
4968         struct req_que *req = ha->req_q_map[0];
4969         struct rsp_que *rsp = ha->rsp_q_map[0];
4970
4971         /* If firmware needs to be loaded */
4972         if (qla2x00_isp_firmware(vha)) {
4973                 vha->flags.online = 0;
4974                 status = ha->isp_ops->chip_diag(vha);
4975                 if (!status)
4976                         status = qla2x00_setup_chip(vha);
4977         }
4978
4979         if (!status && !(status = qla2x00_init_rings(vha))) {
4980                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
4981                 ha->flags.chip_reset_done = 1;
4982
4983                 /* Initialize the queues in use */
4984                 qla25xx_init_queues(ha);
4985
4986                 status = qla2x00_fw_ready(vha);
4987                 if (!status) {
4988                         /* Issue a marker after FW becomes ready. */
4989                         qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
4990
4991                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4992                 }
4993
4994                 /* if no cable then assume it's good */
4995                 if ((vha->device_flags & DFLG_NO_CABLE))
4996                         status = 0;
4997         }
4998         return (status);
4999 }
5000
5001 static int
5002 qla25xx_init_queues(struct qla_hw_data *ha)
5003 {
5004         struct rsp_que *rsp = NULL;
5005         struct req_que *req = NULL;
5006         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
5007         int ret = -1;
5008         int i;
5009
5010         for (i = 1; i < ha->max_rsp_queues; i++) {
5011                 rsp = ha->rsp_q_map[i];
5012                 if (rsp && test_bit(i, ha->rsp_qid_map)) {
5013                         rsp->options &= ~BIT_0;
5014                         ret = qla25xx_init_rsp_que(base_vha, rsp);
5015                         if (ret != QLA_SUCCESS)
5016                                 ql_dbg(ql_dbg_init, base_vha, 0x00ff,
5017                                     "%s Rsp que: %d init failed.\n",
5018                                     __func__, rsp->id);
5019                         else
5020                                 ql_dbg(ql_dbg_init, base_vha, 0x0100,
5021                                     "%s Rsp que: %d inited.\n",
5022                                     __func__, rsp->id);
5023                 }
5024         }
5025         for (i = 1; i < ha->max_req_queues; i++) {
5026                 req = ha->req_q_map[i];
5027                 if (req && test_bit(i, ha->req_qid_map)) {
5028                         /* Clear outstanding commands array. */
5029                         req->options &= ~BIT_0;
5030                         ret = qla25xx_init_req_que(base_vha, req);
5031                         if (ret != QLA_SUCCESS)
5032                                 ql_dbg(ql_dbg_init, base_vha, 0x0101,
5033                                     "%s Req que: %d init failed.\n",
5034                                     __func__, req->id);
5035                         else
5036                                 ql_dbg(ql_dbg_init, base_vha, 0x0102,
5037                                     "%s Req que: %d inited.\n",
5038                                     __func__, req->id);
5039                 }
5040         }
5041         return ret;
5042 }
5043
5044 /*
5045 * qla2x00_reset_adapter
5046 *      Reset adapter.
5047 *
5048 * Input:
5049 *      ha = adapter block pointer.
5050 */
5051 void
5052 qla2x00_reset_adapter(scsi_qla_host_t *vha)
5053 {
5054         unsigned long flags = 0;
5055         struct qla_hw_data *ha = vha->hw;
5056         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
5057
5058         vha->flags.online = 0;
5059         ha->isp_ops->disable_intrs(ha);
5060
5061         spin_lock_irqsave(&ha->hardware_lock, flags);
5062         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
5063         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
5064         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
5065         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
5066         spin_unlock_irqrestore(&ha->hardware_lock, flags);
5067 }
5068
5069 void
5070 qla24xx_reset_adapter(scsi_qla_host_t *vha)
5071 {
5072         unsigned long flags = 0;
5073         struct qla_hw_data *ha = vha->hw;
5074         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
5075
5076         if (IS_P3P_TYPE(ha))
5077                 return;
5078
5079         vha->flags.online = 0;
5080         ha->isp_ops->disable_intrs(ha);
5081
5082         spin_lock_irqsave(&ha->hardware_lock, flags);
5083         WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
5084         RD_REG_DWORD(&reg->hccr);
5085         WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
5086         RD_REG_DWORD(&reg->hccr);
5087         spin_unlock_irqrestore(&ha->hardware_lock, flags);
5088
5089         if (IS_NOPOLLING_TYPE(ha))
5090                 ha->isp_ops->enable_intrs(ha);
5091 }
5092
5093 /* On sparc systems, obtain port and node WWN from firmware
5094  * properties.
5095  */
5096 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha,
5097         struct nvram_24xx *nv)
5098 {
5099 #ifdef CONFIG_SPARC
5100         struct qla_hw_data *ha = vha->hw;
5101         struct pci_dev *pdev = ha->pdev;
5102         struct device_node *dp = pci_device_to_OF_node(pdev);
5103         const u8 *val;
5104         int len;
5105
5106         val = of_get_property(dp, "port-wwn", &len);
5107         if (val && len >= WWN_SIZE)
5108                 memcpy(nv->port_name, val, WWN_SIZE);
5109
5110         val = of_get_property(dp, "node-wwn", &len);
5111         if (val && len >= WWN_SIZE)
5112                 memcpy(nv->node_name, val, WWN_SIZE);
5113 #endif
5114 }
5115
5116 int
5117 qla24xx_nvram_config(scsi_qla_host_t *vha)
5118 {
5119         int   rval;
5120         struct init_cb_24xx *icb;
5121         struct nvram_24xx *nv;
5122         uint32_t *dptr;
5123         uint8_t  *dptr1, *dptr2;
5124         uint32_t chksum;
5125         uint16_t cnt;
5126         struct qla_hw_data *ha = vha->hw;
5127
5128         rval = QLA_SUCCESS;
5129         icb = (struct init_cb_24xx *)ha->init_cb;
5130         nv = ha->nvram;
5131
5132         /* Determine NVRAM starting address. */
5133         if (ha->port_no == 0) {
5134                 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
5135                 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
5136         } else {
5137                 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
5138                 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
5139         }
5140
5141         ha->nvram_size = sizeof(struct nvram_24xx);
5142         ha->vpd_size = FA_NVRAM_VPD_SIZE;
5143
5144         /* Get VPD data into cache */
5145         ha->vpd = ha->nvram + VPD_OFFSET;
5146         ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd,
5147             ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
5148
5149         /* Get NVRAM data into cache and calculate checksum. */
5150         dptr = (uint32_t *)nv;
5151         ha->isp_ops->read_nvram(vha, (uint8_t *)dptr, ha->nvram_base,
5152             ha->nvram_size);
5153         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++, dptr++)
5154                 chksum += le32_to_cpu(*dptr);
5155
5156         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x006a,
5157             "Contents of NVRAM\n");
5158         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x010d,
5159             (uint8_t *)nv, ha->nvram_size);
5160
5161         /* Bad NVRAM data, set defaults parameters. */
5162         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
5163             || nv->id[3] != ' ' ||
5164             nv->nvram_version < cpu_to_le16(ICB_VERSION)) {
5165                 /* Reset NVRAM data. */
5166                 ql_log(ql_log_warn, vha, 0x006b,
5167                     "Inconsistent NVRAM detected: checksum=0x%x id=%c "
5168                     "version=0x%x.\n", chksum, nv->id[0], nv->nvram_version);
5169                 ql_log(ql_log_warn, vha, 0x006c,
5170                     "Falling back to functioning (yet invalid -- WWPN) "
5171                     "defaults.\n");
5172
5173                 /*
5174                  * Set default initialization control block.
5175                  */
5176                 memset(nv, 0, ha->nvram_size);
5177                 nv->nvram_version = cpu_to_le16(ICB_VERSION);
5178                 nv->version = cpu_to_le16(ICB_VERSION);
5179                 nv->frame_payload_size = 2048;
5180                 nv->execution_throttle = cpu_to_le16(0xFFFF);
5181                 nv->exchange_count = cpu_to_le16(0);
5182                 nv->hard_address = cpu_to_le16(124);
5183                 nv->port_name[0] = 0x21;
5184                 nv->port_name[1] = 0x00 + ha->port_no + 1;
5185                 nv->port_name[2] = 0x00;
5186                 nv->port_name[3] = 0xe0;
5187                 nv->port_name[4] = 0x8b;
5188                 nv->port_name[5] = 0x1c;
5189                 nv->port_name[6] = 0x55;
5190                 nv->port_name[7] = 0x86;
5191                 nv->node_name[0] = 0x20;
5192                 nv->node_name[1] = 0x00;
5193                 nv->node_name[2] = 0x00;
5194                 nv->node_name[3] = 0xe0;
5195                 nv->node_name[4] = 0x8b;
5196                 nv->node_name[5] = 0x1c;
5197                 nv->node_name[6] = 0x55;
5198                 nv->node_name[7] = 0x86;
5199                 qla24xx_nvram_wwn_from_ofw(vha, nv);
5200                 nv->login_retry_count = cpu_to_le16(8);
5201                 nv->interrupt_delay_timer = cpu_to_le16(0);
5202                 nv->login_timeout = cpu_to_le16(0);
5203                 nv->firmware_options_1 =
5204                     cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
5205                 nv->firmware_options_2 = cpu_to_le32(2 << 4);
5206                 nv->firmware_options_2 |= cpu_to_le32(BIT_12);
5207                 nv->firmware_options_3 = cpu_to_le32(2 << 13);
5208                 nv->host_p = cpu_to_le32(BIT_11|BIT_10);
5209                 nv->efi_parameters = cpu_to_le32(0);
5210                 nv->reset_delay = 5;
5211                 nv->max_luns_per_target = cpu_to_le16(128);
5212                 nv->port_down_retry_count = cpu_to_le16(30);
5213                 nv->link_down_timeout = cpu_to_le16(30);
5214
5215                 rval = 1;
5216         }
5217
5218         if (!qla_ini_mode_enabled(vha)) {
5219                 /* Don't enable full login after initial LIP */
5220                 nv->firmware_options_1 &= cpu_to_le32(~BIT_13);
5221                 /* Don't enable LIP full login for initiator */
5222                 nv->host_p &= cpu_to_le32(~BIT_10);
5223         }
5224
5225         qlt_24xx_config_nvram_stage1(vha, nv);
5226
5227         /* Reset Initialization control block */
5228         memset(icb, 0, ha->init_cb_size);
5229
5230         /* Copy 1st segment. */
5231         dptr1 = (uint8_t *)icb;
5232         dptr2 = (uint8_t *)&nv->version;
5233         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
5234         while (cnt--)
5235                 *dptr1++ = *dptr2++;
5236
5237         icb->login_retry_count = nv->login_retry_count;
5238         icb->link_down_on_nos = nv->link_down_on_nos;
5239
5240         /* Copy 2nd segment. */
5241         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
5242         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
5243         cnt = (uint8_t *)&icb->reserved_3 -
5244             (uint8_t *)&icb->interrupt_delay_timer;
5245         while (cnt--)
5246                 *dptr1++ = *dptr2++;
5247
5248         /*
5249          * Setup driver NVRAM options.
5250          */
5251         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
5252             "QLA2462");
5253
5254         qlt_24xx_config_nvram_stage2(vha, icb);
5255
5256         if (nv->host_p & cpu_to_le32(BIT_15)) {
5257                 /* Use alternate WWN? */
5258                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
5259                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
5260         }
5261
5262         /* Prepare nodename */
5263         if ((icb->firmware_options_1 & cpu_to_le32(BIT_14)) == 0) {
5264                 /*
5265                  * Firmware will apply the following mask if the nodename was
5266                  * not provided.
5267                  */
5268                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
5269                 icb->node_name[0] &= 0xF0;
5270         }
5271
5272         /* Set host adapter parameters. */
5273         ha->flags.disable_risc_code_load = 0;
5274         ha->flags.enable_lip_reset = 0;
5275         ha->flags.enable_lip_full_login =
5276             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
5277         ha->flags.enable_target_reset =
5278             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
5279         ha->flags.enable_led_scheme = 0;
5280         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
5281
5282         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
5283             (BIT_6 | BIT_5 | BIT_4)) >> 4;
5284
5285         memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
5286             sizeof(ha->fw_seriallink_options24));
5287
5288         /* save HBA serial number */
5289         ha->serial0 = icb->port_name[5];
5290         ha->serial1 = icb->port_name[6];
5291         ha->serial2 = icb->port_name[7];
5292         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
5293         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
5294
5295         icb->execution_throttle = cpu_to_le16(0xFFFF);
5296
5297         ha->retry_count = le16_to_cpu(nv->login_retry_count);
5298
5299         /* Set minimum login_timeout to 4 seconds. */
5300         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
5301                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
5302         if (le16_to_cpu(nv->login_timeout) < 4)
5303                 nv->login_timeout = cpu_to_le16(4);
5304         ha->login_timeout = le16_to_cpu(nv->login_timeout);
5305
5306         /* Set minimum RATOV to 100 tenths of a second. */
5307         ha->r_a_tov = 100;
5308
5309         ha->loop_reset_delay = nv->reset_delay;
5310
5311         /* Link Down Timeout = 0:
5312          *
5313          *      When Port Down timer expires we will start returning
5314          *      I/O's to OS with "DID_NO_CONNECT".
5315          *
5316          * Link Down Timeout != 0:
5317          *
5318          *       The driver waits for the link to come up after link down
5319          *       before returning I/Os to OS with "DID_NO_CONNECT".
5320          */
5321         if (le16_to_cpu(nv->link_down_timeout) == 0) {
5322                 ha->loop_down_abort_time =
5323                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
5324         } else {
5325                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
5326                 ha->loop_down_abort_time =
5327                     (LOOP_DOWN_TIME - ha->link_down_timeout);
5328         }
5329
5330         /* Need enough time to try and get the port back. */
5331         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
5332         if (qlport_down_retry)
5333                 ha->port_down_retry_count = qlport_down_retry;
5334
5335         /* Set login_retry_count */
5336         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
5337         if (ha->port_down_retry_count ==
5338             le16_to_cpu(nv->port_down_retry_count) &&
5339             ha->port_down_retry_count > 3)
5340                 ha->login_retry_count = ha->port_down_retry_count;
5341         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
5342                 ha->login_retry_count = ha->port_down_retry_count;
5343         if (ql2xloginretrycount)
5344                 ha->login_retry_count = ql2xloginretrycount;
5345
5346         /* Enable ZIO. */
5347         if (!vha->flags.init_done) {
5348                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
5349                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
5350                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
5351                     le16_to_cpu(icb->interrupt_delay_timer): 2;
5352         }
5353         icb->firmware_options_2 &= cpu_to_le32(
5354             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
5355         vha->flags.process_response_queue = 0;
5356         if (ha->zio_mode != QLA_ZIO_DISABLED) {
5357                 ha->zio_mode = QLA_ZIO_MODE_6;
5358
5359                 ql_log(ql_log_info, vha, 0x006f,
5360                     "ZIO mode %d enabled; timer delay (%d us).\n",
5361                     ha->zio_mode, ha->zio_timer * 100);
5362
5363                 icb->firmware_options_2 |= cpu_to_le32(
5364                     (uint32_t)ha->zio_mode);
5365                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
5366                 vha->flags.process_response_queue = 1;
5367         }
5368
5369         if (rval) {
5370                 ql_log(ql_log_warn, vha, 0x0070,
5371                     "NVRAM configuration failed.\n");
5372         }
5373         return (rval);
5374 }
5375
5376 uint8_t qla27xx_find_valid_image(struct scsi_qla_host *vha)
5377 {
5378         struct qla27xx_image_status pri_image_status, sec_image_status;
5379         uint8_t valid_pri_image, valid_sec_image;
5380         uint32_t *wptr;
5381         uint32_t cnt, chksum, size;
5382         struct qla_hw_data *ha = vha->hw;
5383
5384         valid_pri_image = valid_sec_image = 1;
5385         ha->active_image = 0;
5386         size = sizeof(struct qla27xx_image_status) / sizeof(uint32_t);
5387
5388         if (!ha->flt_region_img_status_pri) {
5389                 valid_pri_image = 0;
5390                 goto check_sec_image;
5391         }
5392
5393         qla24xx_read_flash_data(vha, (uint32_t *)(&pri_image_status),
5394             ha->flt_region_img_status_pri, size);
5395
5396         if (pri_image_status.signature != QLA27XX_IMG_STATUS_SIGN) {
5397                 ql_dbg(ql_dbg_init, vha, 0x018b,
5398                     "Primary image signature (0x%x) not valid\n",
5399                     pri_image_status.signature);
5400                 valid_pri_image = 0;
5401                 goto check_sec_image;
5402         }
5403
5404         wptr = (uint32_t *)(&pri_image_status);
5405         cnt = size;
5406
5407         for (chksum = 0; cnt--; wptr++)
5408                 chksum += le32_to_cpu(*wptr);
5409         if (chksum) {
5410                 ql_dbg(ql_dbg_init, vha, 0x018c,
5411                     "Checksum validation failed for primary image (0x%x)\n",
5412                     chksum);
5413                 valid_pri_image = 0;
5414         }
5415
5416 check_sec_image:
5417         if (!ha->flt_region_img_status_sec) {
5418                 valid_sec_image = 0;
5419                 goto check_valid_image;
5420         }
5421
5422         qla24xx_read_flash_data(vha, (uint32_t *)(&sec_image_status),
5423             ha->flt_region_img_status_sec, size);
5424
5425         if (sec_image_status.signature != QLA27XX_IMG_STATUS_SIGN) {
5426                 ql_dbg(ql_dbg_init, vha, 0x018d,
5427                     "Secondary image signature(0x%x) not valid\n",
5428                     sec_image_status.signature);
5429                 valid_sec_image = 0;
5430                 goto check_valid_image;
5431         }
5432
5433         wptr = (uint32_t *)(&sec_image_status);
5434         cnt = size;
5435         for (chksum = 0; cnt--; wptr++)
5436                 chksum += le32_to_cpu(*wptr);
5437         if (chksum) {
5438                 ql_dbg(ql_dbg_init, vha, 0x018e,
5439                     "Checksum validation failed for secondary image (0x%x)\n",
5440                     chksum);
5441                 valid_sec_image = 0;
5442         }
5443
5444 check_valid_image:
5445         if (valid_pri_image && (pri_image_status.image_status_mask & 0x1))
5446                 ha->active_image = QLA27XX_PRIMARY_IMAGE;
5447         if (valid_sec_image && (sec_image_status.image_status_mask & 0x1)) {
5448                 if (!ha->active_image ||
5449                     pri_image_status.generation_number <
5450                     sec_image_status.generation_number)
5451                         ha->active_image = QLA27XX_SECONDARY_IMAGE;
5452         }
5453
5454         ql_dbg(ql_dbg_init, vha, 0x018f, "%s image\n",
5455             ha->active_image == 0 ? "default bootld and fw" :
5456             ha->active_image == 1 ? "primary" :
5457             ha->active_image == 2 ? "secondary" :
5458             "Invalid");
5459
5460         return ha->active_image;
5461 }
5462
5463 static int
5464 qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr,
5465     uint32_t faddr)
5466 {
5467         int     rval = QLA_SUCCESS;
5468         int     segments, fragment;
5469         uint32_t *dcode, dlen;
5470         uint32_t risc_addr;
5471         uint32_t risc_size;
5472         uint32_t i;
5473         struct qla_hw_data *ha = vha->hw;
5474         struct req_que *req = ha->req_q_map[0];
5475
5476         ql_dbg(ql_dbg_init, vha, 0x008b,
5477             "FW: Loading firmware from flash (%x).\n", faddr);
5478
5479         rval = QLA_SUCCESS;
5480
5481         segments = FA_RISC_CODE_SEGMENTS;
5482         dcode = (uint32_t *)req->ring;
5483         *srisc_addr = 0;
5484
5485         if (IS_QLA27XX(ha) &&
5486             qla27xx_find_valid_image(vha) == QLA27XX_SECONDARY_IMAGE)
5487                 faddr = ha->flt_region_fw_sec;
5488
5489         /* Validate firmware image by checking version. */
5490         qla24xx_read_flash_data(vha, dcode, faddr + 4, 4);
5491         for (i = 0; i < 4; i++)
5492                 dcode[i] = be32_to_cpu(dcode[i]);
5493         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
5494             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
5495             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
5496                 dcode[3] == 0)) {
5497                 ql_log(ql_log_fatal, vha, 0x008c,
5498                     "Unable to verify the integrity of flash firmware "
5499                     "image.\n");
5500                 ql_log(ql_log_fatal, vha, 0x008d,
5501                     "Firmware data: %08x %08x %08x %08x.\n",
5502                     dcode[0], dcode[1], dcode[2], dcode[3]);
5503
5504                 return QLA_FUNCTION_FAILED;
5505         }
5506
5507         while (segments && rval == QLA_SUCCESS) {
5508                 /* Read segment's load information. */
5509                 qla24xx_read_flash_data(vha, dcode, faddr, 4);
5510
5511                 risc_addr = be32_to_cpu(dcode[2]);
5512                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
5513                 risc_size = be32_to_cpu(dcode[3]);
5514
5515                 fragment = 0;
5516                 while (risc_size > 0 && rval == QLA_SUCCESS) {
5517                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
5518                         if (dlen > risc_size)
5519                                 dlen = risc_size;
5520
5521                         ql_dbg(ql_dbg_init, vha, 0x008e,
5522                             "Loading risc segment@ risc addr %x "
5523                             "number of dwords 0x%x offset 0x%x.\n",
5524                             risc_addr, dlen, faddr);
5525
5526                         qla24xx_read_flash_data(vha, dcode, faddr, dlen);
5527                         for (i = 0; i < dlen; i++)
5528                                 dcode[i] = swab32(dcode[i]);
5529
5530                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
5531                             dlen);
5532                         if (rval) {
5533                                 ql_log(ql_log_fatal, vha, 0x008f,
5534                                     "Failed to load segment %d of firmware.\n",
5535                                     fragment);
5536                                 return QLA_FUNCTION_FAILED;
5537                         }
5538
5539                         faddr += dlen;
5540                         risc_addr += dlen;
5541                         risc_size -= dlen;
5542                         fragment++;
5543                 }
5544
5545                 /* Next segment. */
5546                 segments--;
5547         }
5548
5549         if (!IS_QLA27XX(ha))
5550                 return rval;
5551
5552         if (ha->fw_dump_template)
5553                 vfree(ha->fw_dump_template);
5554         ha->fw_dump_template = NULL;
5555         ha->fw_dump_template_len = 0;
5556
5557         ql_dbg(ql_dbg_init, vha, 0x0161,
5558             "Loading fwdump template from %x\n", faddr);
5559         qla24xx_read_flash_data(vha, dcode, faddr, 7);
5560         risc_size = be32_to_cpu(dcode[2]);
5561         ql_dbg(ql_dbg_init, vha, 0x0162,
5562             "-> array size %x dwords\n", risc_size);
5563         if (risc_size == 0 || risc_size == ~0)
5564                 goto default_template;
5565
5566         dlen = (risc_size - 8) * sizeof(*dcode);
5567         ql_dbg(ql_dbg_init, vha, 0x0163,
5568             "-> template allocating %x bytes...\n", dlen);
5569         ha->fw_dump_template = vmalloc(dlen);
5570         if (!ha->fw_dump_template) {
5571                 ql_log(ql_log_warn, vha, 0x0164,
5572                     "Failed fwdump template allocate %x bytes.\n", risc_size);
5573                 goto default_template;
5574         }
5575
5576         faddr += 7;
5577         risc_size -= 8;
5578         dcode = ha->fw_dump_template;
5579         qla24xx_read_flash_data(vha, dcode, faddr, risc_size);
5580         for (i = 0; i < risc_size; i++)
5581                 dcode[i] = le32_to_cpu(dcode[i]);
5582
5583         if (!qla27xx_fwdt_template_valid(dcode)) {
5584                 ql_log(ql_log_warn, vha, 0x0165,
5585                     "Failed fwdump template validate\n");
5586                 goto default_template;
5587         }
5588
5589         dlen = qla27xx_fwdt_template_size(dcode);
5590         ql_dbg(ql_dbg_init, vha, 0x0166,
5591             "-> template size %x bytes\n", dlen);
5592         if (dlen > risc_size * sizeof(*dcode)) {
5593                 ql_log(ql_log_warn, vha, 0x0167,
5594                     "Failed fwdump template exceeds array by %x bytes\n",
5595                     (uint32_t)(dlen - risc_size * sizeof(*dcode)));
5596                 goto default_template;
5597         }
5598         ha->fw_dump_template_len = dlen;
5599         return rval;
5600
5601 default_template:
5602         ql_log(ql_log_warn, vha, 0x0168, "Using default fwdump template\n");
5603         if (ha->fw_dump_template)
5604                 vfree(ha->fw_dump_template);
5605         ha->fw_dump_template = NULL;
5606         ha->fw_dump_template_len = 0;
5607
5608         dlen = qla27xx_fwdt_template_default_size();
5609         ql_dbg(ql_dbg_init, vha, 0x0169,
5610             "-> template allocating %x bytes...\n", dlen);
5611         ha->fw_dump_template = vmalloc(dlen);
5612         if (!ha->fw_dump_template) {
5613                 ql_log(ql_log_warn, vha, 0x016a,
5614                     "Failed fwdump template allocate %x bytes.\n", risc_size);
5615                 goto failed_template;
5616         }
5617
5618         dcode = ha->fw_dump_template;
5619         risc_size = dlen / sizeof(*dcode);
5620         memcpy(dcode, qla27xx_fwdt_template_default(), dlen);
5621         for (i = 0; i < risc_size; i++)
5622                 dcode[i] = be32_to_cpu(dcode[i]);
5623
5624         if (!qla27xx_fwdt_template_valid(ha->fw_dump_template)) {
5625                 ql_log(ql_log_warn, vha, 0x016b,
5626                     "Failed fwdump template validate\n");
5627                 goto failed_template;
5628         }
5629
5630         dlen = qla27xx_fwdt_template_size(ha->fw_dump_template);
5631         ql_dbg(ql_dbg_init, vha, 0x016c,
5632             "-> template size %x bytes\n", dlen);
5633         ha->fw_dump_template_len = dlen;
5634         return rval;
5635
5636 failed_template:
5637         ql_log(ql_log_warn, vha, 0x016d, "Failed default fwdump template\n");
5638         if (ha->fw_dump_template)
5639                 vfree(ha->fw_dump_template);
5640         ha->fw_dump_template = NULL;
5641         ha->fw_dump_template_len = 0;
5642         return rval;
5643 }
5644
5645 #define QLA_FW_URL "http://ldriver.qlogic.com/firmware/"
5646
5647 int
5648 qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5649 {
5650         int     rval;
5651         int     i, fragment;
5652         uint16_t *wcode, *fwcode;
5653         uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
5654         struct fw_blob *blob;
5655         struct qla_hw_data *ha = vha->hw;
5656         struct req_que *req = ha->req_q_map[0];
5657
5658         /* Load firmware blob. */
5659         blob = qla2x00_request_firmware(vha);
5660         if (!blob) {
5661                 ql_log(ql_log_info, vha, 0x0083,
5662                     "Firmware image unavailable.\n");
5663                 ql_log(ql_log_info, vha, 0x0084,
5664                     "Firmware images can be retrieved from: "QLA_FW_URL ".\n");
5665                 return QLA_FUNCTION_FAILED;
5666         }
5667
5668         rval = QLA_SUCCESS;
5669
5670         wcode = (uint16_t *)req->ring;
5671         *srisc_addr = 0;
5672         fwcode = (uint16_t *)blob->fw->data;
5673         fwclen = 0;
5674
5675         /* Validate firmware image by checking version. */
5676         if (blob->fw->size < 8 * sizeof(uint16_t)) {
5677                 ql_log(ql_log_fatal, vha, 0x0085,
5678                     "Unable to verify integrity of firmware image (%Zd).\n",
5679                     blob->fw->size);
5680                 goto fail_fw_integrity;
5681         }
5682         for (i = 0; i < 4; i++)
5683                 wcode[i] = be16_to_cpu(fwcode[i + 4]);
5684         if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
5685             wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
5686                 wcode[2] == 0 && wcode[3] == 0)) {
5687                 ql_log(ql_log_fatal, vha, 0x0086,
5688                     "Unable to verify integrity of firmware image.\n");
5689                 ql_log(ql_log_fatal, vha, 0x0087,
5690                     "Firmware data: %04x %04x %04x %04x.\n",
5691                     wcode[0], wcode[1], wcode[2], wcode[3]);
5692                 goto fail_fw_integrity;
5693         }
5694
5695         seg = blob->segs;
5696         while (*seg && rval == QLA_SUCCESS) {
5697                 risc_addr = *seg;
5698                 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
5699                 risc_size = be16_to_cpu(fwcode[3]);
5700
5701                 /* Validate firmware image size. */
5702                 fwclen += risc_size * sizeof(uint16_t);
5703                 if (blob->fw->size < fwclen) {
5704                         ql_log(ql_log_fatal, vha, 0x0088,
5705                             "Unable to verify integrity of firmware image "
5706                             "(%Zd).\n", blob->fw->size);
5707                         goto fail_fw_integrity;
5708                 }
5709
5710                 fragment = 0;
5711                 while (risc_size > 0 && rval == QLA_SUCCESS) {
5712                         wlen = (uint16_t)(ha->fw_transfer_size >> 1);
5713                         if (wlen > risc_size)
5714                                 wlen = risc_size;
5715                         ql_dbg(ql_dbg_init, vha, 0x0089,
5716                             "Loading risc segment@ risc addr %x number of "
5717                             "words 0x%x.\n", risc_addr, wlen);
5718
5719                         for (i = 0; i < wlen; i++)
5720                                 wcode[i] = swab16(fwcode[i]);
5721
5722                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
5723                             wlen);
5724                         if (rval) {
5725                                 ql_log(ql_log_fatal, vha, 0x008a,
5726                                     "Failed to load segment %d of firmware.\n",
5727                                     fragment);
5728                                 break;
5729                         }
5730
5731                         fwcode += wlen;
5732                         risc_addr += wlen;
5733                         risc_size -= wlen;
5734                         fragment++;
5735                 }
5736
5737                 /* Next segment. */
5738                 seg++;
5739         }
5740         return rval;
5741
5742 fail_fw_integrity:
5743         return QLA_FUNCTION_FAILED;
5744 }
5745
5746 static int
5747 qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5748 {
5749         int     rval;
5750         int     segments, fragment;
5751         uint32_t *dcode, dlen;
5752         uint32_t risc_addr;
5753         uint32_t risc_size;
5754         uint32_t i;
5755         struct fw_blob *blob;
5756         const uint32_t *fwcode;
5757         uint32_t fwclen;
5758         struct qla_hw_data *ha = vha->hw;
5759         struct req_que *req = ha->req_q_map[0];
5760
5761         /* Load firmware blob. */
5762         blob = qla2x00_request_firmware(vha);
5763         if (!blob) {
5764                 ql_log(ql_log_warn, vha, 0x0090,
5765                     "Firmware image unavailable.\n");
5766                 ql_log(ql_log_warn, vha, 0x0091,
5767                     "Firmware images can be retrieved from: "
5768                     QLA_FW_URL ".\n");
5769
5770                 return QLA_FUNCTION_FAILED;
5771         }
5772
5773         ql_dbg(ql_dbg_init, vha, 0x0092,
5774             "FW: Loading via request-firmware.\n");
5775
5776         rval = QLA_SUCCESS;
5777
5778         segments = FA_RISC_CODE_SEGMENTS;
5779         dcode = (uint32_t *)req->ring;
5780         *srisc_addr = 0;
5781         fwcode = (uint32_t *)blob->fw->data;
5782         fwclen = 0;
5783
5784         /* Validate firmware image by checking version. */
5785         if (blob->fw->size < 8 * sizeof(uint32_t)) {
5786                 ql_log(ql_log_fatal, vha, 0x0093,
5787                     "Unable to verify integrity of firmware image (%Zd).\n",
5788                     blob->fw->size);
5789                 return QLA_FUNCTION_FAILED;
5790         }
5791         for (i = 0; i < 4; i++)
5792                 dcode[i] = be32_to_cpu(fwcode[i + 4]);
5793         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
5794             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
5795             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
5796                 dcode[3] == 0)) {
5797                 ql_log(ql_log_fatal, vha, 0x0094,
5798                     "Unable to verify integrity of firmware image (%Zd).\n",
5799                     blob->fw->size);
5800                 ql_log(ql_log_fatal, vha, 0x0095,
5801                     "Firmware data: %08x %08x %08x %08x.\n",
5802                     dcode[0], dcode[1], dcode[2], dcode[3]);
5803                 return QLA_FUNCTION_FAILED;
5804         }
5805
5806         while (segments && rval == QLA_SUCCESS) {
5807                 risc_addr = be32_to_cpu(fwcode[2]);
5808                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
5809                 risc_size = be32_to_cpu(fwcode[3]);
5810
5811                 /* Validate firmware image size. */
5812                 fwclen += risc_size * sizeof(uint32_t);
5813                 if (blob->fw->size < fwclen) {
5814                         ql_log(ql_log_fatal, vha, 0x0096,
5815                             "Unable to verify integrity of firmware image "
5816                             "(%Zd).\n", blob->fw->size);
5817                         return QLA_FUNCTION_FAILED;
5818                 }
5819
5820                 fragment = 0;
5821                 while (risc_size > 0 && rval == QLA_SUCCESS) {
5822                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
5823                         if (dlen > risc_size)
5824                                 dlen = risc_size;
5825
5826                         ql_dbg(ql_dbg_init, vha, 0x0097,
5827                             "Loading risc segment@ risc addr %x "
5828                             "number of dwords 0x%x.\n", risc_addr, dlen);
5829
5830                         for (i = 0; i < dlen; i++)
5831                                 dcode[i] = swab32(fwcode[i]);
5832
5833                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
5834                             dlen);
5835                         if (rval) {
5836                                 ql_log(ql_log_fatal, vha, 0x0098,
5837                                     "Failed to load segment %d of firmware.\n",
5838                                     fragment);
5839                                 return QLA_FUNCTION_FAILED;
5840                         }
5841
5842                         fwcode += dlen;
5843                         risc_addr += dlen;
5844                         risc_size -= dlen;
5845                         fragment++;
5846                 }
5847
5848                 /* Next segment. */
5849                 segments--;
5850         }
5851
5852         if (!IS_QLA27XX(ha))
5853                 return rval;
5854
5855         if (ha->fw_dump_template)
5856                 vfree(ha->fw_dump_template);
5857         ha->fw_dump_template = NULL;
5858         ha->fw_dump_template_len = 0;
5859
5860         ql_dbg(ql_dbg_init, vha, 0x171,
5861             "Loading fwdump template from %x\n",
5862             (uint32_t)((void *)fwcode - (void *)blob->fw->data));
5863         risc_size = be32_to_cpu(fwcode[2]);
5864         ql_dbg(ql_dbg_init, vha, 0x172,
5865             "-> array size %x dwords\n", risc_size);
5866         if (risc_size == 0 || risc_size == ~0)
5867                 goto default_template;
5868
5869         dlen = (risc_size - 8) * sizeof(*fwcode);
5870         ql_dbg(ql_dbg_init, vha, 0x0173,
5871             "-> template allocating %x bytes...\n", dlen);
5872         ha->fw_dump_template = vmalloc(dlen);
5873         if (!ha->fw_dump_template) {
5874                 ql_log(ql_log_warn, vha, 0x0174,
5875                     "Failed fwdump template allocate %x bytes.\n", risc_size);
5876                 goto default_template;
5877         }
5878
5879         fwcode += 7;
5880         risc_size -= 8;
5881         dcode = ha->fw_dump_template;
5882         for (i = 0; i < risc_size; i++)
5883                 dcode[i] = le32_to_cpu(fwcode[i]);
5884
5885         if (!qla27xx_fwdt_template_valid(dcode)) {
5886                 ql_log(ql_log_warn, vha, 0x0175,
5887                     "Failed fwdump template validate\n");
5888                 goto default_template;
5889         }
5890
5891         dlen = qla27xx_fwdt_template_size(dcode);
5892         ql_dbg(ql_dbg_init, vha, 0x0176,
5893             "-> template size %x bytes\n", dlen);
5894         if (dlen > risc_size * sizeof(*fwcode)) {
5895                 ql_log(ql_log_warn, vha, 0x0177,
5896                     "Failed fwdump template exceeds array by %x bytes\n",
5897                     (uint32_t)(dlen - risc_size * sizeof(*fwcode)));
5898                 goto default_template;
5899         }
5900         ha->fw_dump_template_len = dlen;
5901         return rval;
5902
5903 default_template:
5904         ql_log(ql_log_warn, vha, 0x0178, "Using default fwdump template\n");
5905         if (ha->fw_dump_template)
5906                 vfree(ha->fw_dump_template);
5907         ha->fw_dump_template = NULL;
5908         ha->fw_dump_template_len = 0;
5909
5910         dlen = qla27xx_fwdt_template_default_size();
5911         ql_dbg(ql_dbg_init, vha, 0x0179,
5912             "-> template allocating %x bytes...\n", dlen);
5913         ha->fw_dump_template = vmalloc(dlen);
5914         if (!ha->fw_dump_template) {
5915                 ql_log(ql_log_warn, vha, 0x017a,
5916                     "Failed fwdump template allocate %x bytes.\n", risc_size);
5917                 goto failed_template;
5918         }
5919
5920         dcode = ha->fw_dump_template;
5921         risc_size = dlen / sizeof(*fwcode);
5922         fwcode = qla27xx_fwdt_template_default();
5923         for (i = 0; i < risc_size; i++)
5924                 dcode[i] = be32_to_cpu(fwcode[i]);
5925
5926         if (!qla27xx_fwdt_template_valid(ha->fw_dump_template)) {
5927                 ql_log(ql_log_warn, vha, 0x017b,
5928                     "Failed fwdump template validate\n");
5929                 goto failed_template;
5930         }
5931
5932         dlen = qla27xx_fwdt_template_size(ha->fw_dump_template);
5933         ql_dbg(ql_dbg_init, vha, 0x017c,
5934             "-> template size %x bytes\n", dlen);
5935         ha->fw_dump_template_len = dlen;
5936         return rval;
5937
5938 failed_template:
5939         ql_log(ql_log_warn, vha, 0x017d, "Failed default fwdump template\n");
5940         if (ha->fw_dump_template)
5941                 vfree(ha->fw_dump_template);
5942         ha->fw_dump_template = NULL;
5943         ha->fw_dump_template_len = 0;
5944         return rval;
5945 }
5946
5947 int
5948 qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5949 {
5950         int rval;
5951
5952         if (ql2xfwloadbin == 1)
5953                 return qla81xx_load_risc(vha, srisc_addr);
5954
5955         /*
5956          * FW Load priority:
5957          * 1) Firmware via request-firmware interface (.bin file).
5958          * 2) Firmware residing in flash.
5959          */
5960         rval = qla24xx_load_risc_blob(vha, srisc_addr);
5961         if (rval == QLA_SUCCESS)
5962                 return rval;
5963
5964         return qla24xx_load_risc_flash(vha, srisc_addr,
5965             vha->hw->flt_region_fw);
5966 }
5967
5968 int
5969 qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5970 {
5971         int rval;
5972         struct qla_hw_data *ha = vha->hw;
5973
5974         if (ql2xfwloadbin == 2)
5975                 goto try_blob_fw;
5976
5977         /*
5978          * FW Load priority:
5979          * 1) Firmware residing in flash.
5980          * 2) Firmware via request-firmware interface (.bin file).
5981          * 3) Golden-Firmware residing in flash -- limited operation.
5982          */
5983         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw);
5984         if (rval == QLA_SUCCESS)
5985                 return rval;
5986
5987 try_blob_fw:
5988         rval = qla24xx_load_risc_blob(vha, srisc_addr);
5989         if (rval == QLA_SUCCESS || !ha->flt_region_gold_fw)
5990                 return rval;
5991
5992         ql_log(ql_log_info, vha, 0x0099,
5993             "Attempting to fallback to golden firmware.\n");
5994         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_gold_fw);
5995         if (rval != QLA_SUCCESS)
5996                 return rval;
5997
5998         ql_log(ql_log_info, vha, 0x009a, "Update operational firmware.\n");
5999         ha->flags.running_gold_fw = 1;
6000         return rval;
6001 }
6002
6003 void
6004 qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
6005 {
6006         int ret, retries;
6007         struct qla_hw_data *ha = vha->hw;
6008
6009         if (ha->flags.pci_channel_io_perm_failure)
6010                 return;
6011         if (!IS_FWI2_CAPABLE(ha))
6012                 return;
6013         if (!ha->fw_major_version)
6014                 return;
6015
6016         ret = qla2x00_stop_firmware(vha);
6017         for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
6018             ret != QLA_INVALID_COMMAND && retries ; retries--) {
6019                 ha->isp_ops->reset_chip(vha);
6020                 if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS)
6021                         continue;
6022                 if (qla2x00_setup_chip(vha) != QLA_SUCCESS)
6023                         continue;
6024                 ql_log(ql_log_info, vha, 0x8015,
6025                     "Attempting retry of stop-firmware command.\n");
6026                 ret = qla2x00_stop_firmware(vha);
6027         }
6028 }
6029
6030 int
6031 qla24xx_configure_vhba(scsi_qla_host_t *vha)
6032 {
6033         int rval = QLA_SUCCESS;
6034         int rval2;
6035         uint16_t mb[MAILBOX_REGISTER_COUNT];
6036         struct qla_hw_data *ha = vha->hw;
6037         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
6038         struct req_que *req;
6039         struct rsp_que *rsp;
6040
6041         if (!vha->vp_idx)
6042                 return -EINVAL;
6043
6044         rval = qla2x00_fw_ready(base_vha);
6045         if (ha->flags.cpu_affinity_enabled)
6046                 req = ha->req_q_map[0];
6047         else
6048                 req = vha->req;
6049         rsp = req->rsp;
6050
6051         if (rval == QLA_SUCCESS) {
6052                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
6053                 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
6054         }
6055
6056         vha->flags.management_server_logged_in = 0;
6057
6058         /* Login to SNS first */
6059         rval2 = ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb,
6060             BIT_1);
6061         if (rval2 != QLA_SUCCESS || mb[0] != MBS_COMMAND_COMPLETE) {
6062                 if (rval2 == QLA_MEMORY_ALLOC_FAILED)
6063                         ql_dbg(ql_dbg_init, vha, 0x0120,
6064                             "Failed SNS login: loop_id=%x, rval2=%d\n",
6065                             NPH_SNS, rval2);
6066                 else
6067                         ql_dbg(ql_dbg_init, vha, 0x0103,
6068                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
6069                             "mb[2]=%x mb[6]=%x mb[7]=%x.\n",
6070                             NPH_SNS, mb[0], mb[1], mb[2], mb[6], mb[7]);
6071                 return (QLA_FUNCTION_FAILED);
6072         }
6073
6074         atomic_set(&vha->loop_down_timer, 0);
6075         atomic_set(&vha->loop_state, LOOP_UP);
6076         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
6077         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
6078         rval = qla2x00_loop_resync(base_vha);
6079
6080         return rval;
6081 }
6082
6083 /* 84XX Support **************************************************************/
6084
6085 static LIST_HEAD(qla_cs84xx_list);
6086 static DEFINE_MUTEX(qla_cs84xx_mutex);
6087
6088 static struct qla_chip_state_84xx *
6089 qla84xx_get_chip(struct scsi_qla_host *vha)
6090 {
6091         struct qla_chip_state_84xx *cs84xx;
6092         struct qla_hw_data *ha = vha->hw;
6093
6094         mutex_lock(&qla_cs84xx_mutex);
6095
6096         /* Find any shared 84xx chip. */
6097         list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
6098                 if (cs84xx->bus == ha->pdev->bus) {
6099                         kref_get(&cs84xx->kref);
6100                         goto done;
6101                 }
6102         }
6103
6104         cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
6105         if (!cs84xx)
6106                 goto done;
6107
6108         kref_init(&cs84xx->kref);
6109         spin_lock_init(&cs84xx->access_lock);
6110         mutex_init(&cs84xx->fw_update_mutex);
6111         cs84xx->bus = ha->pdev->bus;
6112
6113         list_add_tail(&cs84xx->list, &qla_cs84xx_list);
6114 done:
6115         mutex_unlock(&qla_cs84xx_mutex);
6116         return cs84xx;
6117 }
6118
6119 static void
6120 __qla84xx_chip_release(struct kref *kref)
6121 {
6122         struct qla_chip_state_84xx *cs84xx =
6123             container_of(kref, struct qla_chip_state_84xx, kref);
6124
6125         mutex_lock(&qla_cs84xx_mutex);
6126         list_del(&cs84xx->list);
6127         mutex_unlock(&qla_cs84xx_mutex);
6128         kfree(cs84xx);
6129 }
6130
6131 void
6132 qla84xx_put_chip(struct scsi_qla_host *vha)
6133 {
6134         struct qla_hw_data *ha = vha->hw;
6135         if (ha->cs84xx)
6136                 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
6137 }
6138
6139 static int
6140 qla84xx_init_chip(scsi_qla_host_t *vha)
6141 {
6142         int rval;
6143         uint16_t status[2];
6144         struct qla_hw_data *ha = vha->hw;
6145
6146         mutex_lock(&ha->cs84xx->fw_update_mutex);
6147
6148         rval = qla84xx_verify_chip(vha, status);
6149
6150         mutex_unlock(&ha->cs84xx->fw_update_mutex);
6151
6152         return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED:
6153             QLA_SUCCESS;
6154 }
6155
6156 /* 81XX Support **************************************************************/
6157
6158 int
6159 qla81xx_nvram_config(scsi_qla_host_t *vha)
6160 {
6161         int   rval;
6162         struct init_cb_81xx *icb;
6163         struct nvram_81xx *nv;
6164         uint32_t *dptr;
6165         uint8_t  *dptr1, *dptr2;
6166         uint32_t chksum;
6167         uint16_t cnt;
6168         struct qla_hw_data *ha = vha->hw;
6169
6170         rval = QLA_SUCCESS;
6171         icb = (struct init_cb_81xx *)ha->init_cb;
6172         nv = ha->nvram;
6173
6174         /* Determine NVRAM starting address. */
6175         ha->nvram_size = sizeof(struct nvram_81xx);
6176         ha->vpd_size = FA_NVRAM_VPD_SIZE;
6177         if (IS_P3P_TYPE(ha) || IS_QLA8031(ha))
6178                 ha->vpd_size = FA_VPD_SIZE_82XX;
6179
6180         /* Get VPD data into cache */
6181         ha->vpd = ha->nvram + VPD_OFFSET;
6182         ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_vpd << 2,
6183             ha->vpd_size);
6184
6185         /* Get NVRAM data into cache and calculate checksum. */
6186         ha->isp_ops->read_optrom(vha, ha->nvram, ha->flt_region_nvram << 2,
6187             ha->nvram_size);
6188         dptr = (uint32_t *)nv;
6189         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++, dptr++)
6190                 chksum += le32_to_cpu(*dptr);
6191
6192         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0111,
6193             "Contents of NVRAM:\n");
6194         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0112,
6195             (uint8_t *)nv, ha->nvram_size);
6196
6197         /* Bad NVRAM data, set defaults parameters. */
6198         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
6199             || nv->id[3] != ' ' ||
6200             nv->nvram_version < cpu_to_le16(ICB_VERSION)) {
6201                 /* Reset NVRAM data. */
6202                 ql_log(ql_log_info, vha, 0x0073,
6203                     "Inconsistent NVRAM detected: checksum=0x%x id=%c "
6204                     "version=0x%x.\n", chksum, nv->id[0],
6205                     le16_to_cpu(nv->nvram_version));
6206                 ql_log(ql_log_info, vha, 0x0074,
6207                     "Falling back to functioning (yet invalid -- WWPN) "
6208                     "defaults.\n");
6209
6210                 /*
6211                  * Set default initialization control block.
6212                  */
6213                 memset(nv, 0, ha->nvram_size);
6214                 nv->nvram_version = cpu_to_le16(ICB_VERSION);
6215                 nv->version = cpu_to_le16(ICB_VERSION);
6216                 nv->frame_payload_size = 2048;
6217                 nv->execution_throttle = cpu_to_le16(0xFFFF);
6218                 nv->exchange_count = cpu_to_le16(0);
6219                 nv->port_name[0] = 0x21;
6220                 nv->port_name[1] = 0x00 + ha->port_no + 1;
6221                 nv->port_name[2] = 0x00;
6222                 nv->port_name[3] = 0xe0;
6223                 nv->port_name[4] = 0x8b;
6224                 nv->port_name[5] = 0x1c;
6225                 nv->port_name[6] = 0x55;
6226                 nv->port_name[7] = 0x86;
6227                 nv->node_name[0] = 0x20;
6228                 nv->node_name[1] = 0x00;
6229                 nv->node_name[2] = 0x00;
6230                 nv->node_name[3] = 0xe0;
6231                 nv->node_name[4] = 0x8b;
6232                 nv->node_name[5] = 0x1c;
6233                 nv->node_name[6] = 0x55;
6234                 nv->node_name[7] = 0x86;
6235                 nv->login_retry_count = cpu_to_le16(8);
6236                 nv->interrupt_delay_timer = cpu_to_le16(0);
6237                 nv->login_timeout = cpu_to_le16(0);
6238                 nv->firmware_options_1 =
6239                     cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
6240                 nv->firmware_options_2 = cpu_to_le32(2 << 4);
6241                 nv->firmware_options_2 |= cpu_to_le32(BIT_12);
6242                 nv->firmware_options_3 = cpu_to_le32(2 << 13);
6243                 nv->host_p = cpu_to_le32(BIT_11|BIT_10);
6244                 nv->efi_parameters = cpu_to_le32(0);
6245                 nv->reset_delay = 5;
6246                 nv->max_luns_per_target = cpu_to_le16(128);
6247                 nv->port_down_retry_count = cpu_to_le16(30);
6248                 nv->link_down_timeout = cpu_to_le16(180);
6249                 nv->enode_mac[0] = 0x00;
6250                 nv->enode_mac[1] = 0xC0;
6251                 nv->enode_mac[2] = 0xDD;
6252                 nv->enode_mac[3] = 0x04;
6253                 nv->enode_mac[4] = 0x05;
6254                 nv->enode_mac[5] = 0x06 + ha->port_no + 1;
6255
6256                 rval = 1;
6257         }
6258
6259         if (IS_T10_PI_CAPABLE(ha))
6260                 nv->frame_payload_size &= ~7;
6261
6262         qlt_81xx_config_nvram_stage1(vha, nv);
6263
6264         /* Reset Initialization control block */
6265         memset(icb, 0, ha->init_cb_size);
6266
6267         /* Copy 1st segment. */
6268         dptr1 = (uint8_t *)icb;
6269         dptr2 = (uint8_t *)&nv->version;
6270         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
6271         while (cnt--)
6272                 *dptr1++ = *dptr2++;
6273
6274         icb->login_retry_count = nv->login_retry_count;
6275
6276         /* Copy 2nd segment. */
6277         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
6278         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
6279         cnt = (uint8_t *)&icb->reserved_5 -
6280             (uint8_t *)&icb->interrupt_delay_timer;
6281         while (cnt--)
6282                 *dptr1++ = *dptr2++;
6283
6284         memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac));
6285         /* Some boards (with valid NVRAMs) still have NULL enode_mac!! */
6286         if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) {
6287                 icb->enode_mac[0] = 0x00;
6288                 icb->enode_mac[1] = 0xC0;
6289                 icb->enode_mac[2] = 0xDD;
6290                 icb->enode_mac[3] = 0x04;
6291                 icb->enode_mac[4] = 0x05;
6292                 icb->enode_mac[5] = 0x06 + ha->port_no + 1;
6293         }
6294
6295         /* Use extended-initialization control block. */
6296         memcpy(ha->ex_init_cb, &nv->ex_version, sizeof(*ha->ex_init_cb));
6297
6298         /*
6299          * Setup driver NVRAM options.
6300          */
6301         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
6302             "QLE8XXX");
6303
6304         qlt_81xx_config_nvram_stage2(vha, icb);
6305
6306         /* Use alternate WWN? */
6307         if (nv->host_p & cpu_to_le32(BIT_15)) {
6308                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
6309                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
6310         }
6311
6312         /* Prepare nodename */
6313         if ((icb->firmware_options_1 & cpu_to_le32(BIT_14)) == 0) {
6314                 /*
6315                  * Firmware will apply the following mask if the nodename was
6316                  * not provided.
6317                  */
6318                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
6319                 icb->node_name[0] &= 0xF0;
6320         }
6321
6322         /* Set host adapter parameters. */
6323         ha->flags.disable_risc_code_load = 0;
6324         ha->flags.enable_lip_reset = 0;
6325         ha->flags.enable_lip_full_login =
6326             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
6327         ha->flags.enable_target_reset =
6328             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
6329         ha->flags.enable_led_scheme = 0;
6330         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
6331
6332         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
6333             (BIT_6 | BIT_5 | BIT_4)) >> 4;
6334
6335         /* save HBA serial number */
6336         ha->serial0 = icb->port_name[5];
6337         ha->serial1 = icb->port_name[6];
6338         ha->serial2 = icb->port_name[7];
6339         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
6340         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
6341
6342         icb->execution_throttle = cpu_to_le16(0xFFFF);
6343
6344         ha->retry_count = le16_to_cpu(nv->login_retry_count);
6345
6346         /* Set minimum login_timeout to 4 seconds. */
6347         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
6348                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
6349         if (le16_to_cpu(nv->login_timeout) < 4)
6350                 nv->login_timeout = cpu_to_le16(4);
6351         ha->login_timeout = le16_to_cpu(nv->login_timeout);
6352
6353         /* Set minimum RATOV to 100 tenths of a second. */
6354         ha->r_a_tov = 100;
6355
6356         ha->loop_reset_delay = nv->reset_delay;
6357
6358         /* Link Down Timeout = 0:
6359          *
6360          *      When Port Down timer expires we will start returning
6361          *      I/O's to OS with "DID_NO_CONNECT".
6362          *
6363          * Link Down Timeout != 0:
6364          *
6365          *       The driver waits for the link to come up after link down
6366          *       before returning I/Os to OS with "DID_NO_CONNECT".
6367          */
6368         if (le16_to_cpu(nv->link_down_timeout) == 0) {
6369                 ha->loop_down_abort_time =
6370                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
6371         } else {
6372                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
6373                 ha->loop_down_abort_time =
6374                     (LOOP_DOWN_TIME - ha->link_down_timeout);
6375         }
6376
6377         /* Need enough time to try and get the port back. */
6378         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
6379         if (qlport_down_retry)
6380                 ha->port_down_retry_count = qlport_down_retry;
6381
6382         /* Set login_retry_count */
6383         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
6384         if (ha->port_down_retry_count ==
6385             le16_to_cpu(nv->port_down_retry_count) &&
6386             ha->port_down_retry_count > 3)
6387                 ha->login_retry_count = ha->port_down_retry_count;
6388         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
6389                 ha->login_retry_count = ha->port_down_retry_count;
6390         if (ql2xloginretrycount)
6391                 ha->login_retry_count = ql2xloginretrycount;
6392
6393         /* if not running MSI-X we need handshaking on interrupts */
6394         if (!vha->hw->flags.msix_enabled && (IS_QLA83XX(ha) || IS_QLA27XX(ha)))
6395                 icb->firmware_options_2 |= cpu_to_le32(BIT_22);
6396
6397         /* Enable ZIO. */
6398         if (!vha->flags.init_done) {
6399                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
6400                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
6401                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
6402                     le16_to_cpu(icb->interrupt_delay_timer): 2;
6403         }
6404         icb->firmware_options_2 &= cpu_to_le32(
6405             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
6406         vha->flags.process_response_queue = 0;
6407         if (ha->zio_mode != QLA_ZIO_DISABLED) {
6408                 ha->zio_mode = QLA_ZIO_MODE_6;
6409
6410                 ql_log(ql_log_info, vha, 0x0075,
6411                     "ZIO mode %d enabled; timer delay (%d us).\n",
6412                     ha->zio_mode,
6413                     ha->zio_timer * 100);
6414
6415                 icb->firmware_options_2 |= cpu_to_le32(
6416                     (uint32_t)ha->zio_mode);
6417                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
6418                 vha->flags.process_response_queue = 1;
6419         }
6420
6421         if (rval) {
6422                 ql_log(ql_log_warn, vha, 0x0076,
6423                     "NVRAM configuration failed.\n");
6424         }
6425         return (rval);
6426 }
6427
6428 int
6429 qla82xx_restart_isp(scsi_qla_host_t *vha)
6430 {
6431         int status, rval;
6432         struct qla_hw_data *ha = vha->hw;
6433         struct req_que *req = ha->req_q_map[0];
6434         struct rsp_que *rsp = ha->rsp_q_map[0];
6435         struct scsi_qla_host *vp;
6436         unsigned long flags;
6437
6438         status = qla2x00_init_rings(vha);
6439         if (!status) {
6440                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
6441                 ha->flags.chip_reset_done = 1;
6442
6443                 status = qla2x00_fw_ready(vha);
6444                 if (!status) {
6445                         /* Issue a marker after FW becomes ready. */
6446                         qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
6447                         vha->flags.online = 1;
6448                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
6449                 }
6450
6451                 /* if no cable then assume it's good */
6452                 if ((vha->device_flags & DFLG_NO_CABLE))
6453                         status = 0;
6454         }
6455
6456         if (!status) {
6457                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
6458
6459                 if (!atomic_read(&vha->loop_down_timer)) {
6460                         /*
6461                          * Issue marker command only when we are going
6462                          * to start the I/O .
6463                          */
6464                         vha->marker_needed = 1;
6465                 }
6466
6467                 ha->isp_ops->enable_intrs(ha);
6468
6469                 ha->isp_abort_cnt = 0;
6470                 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
6471
6472                 /* Update the firmware version */
6473                 status = qla82xx_check_md_needed(vha);
6474
6475                 if (ha->fce) {
6476                         ha->flags.fce_enabled = 1;
6477                         memset(ha->fce, 0,
6478                             fce_calc_size(ha->fce_bufs));
6479                         rval = qla2x00_enable_fce_trace(vha,
6480                             ha->fce_dma, ha->fce_bufs, ha->fce_mb,
6481                             &ha->fce_bufs);
6482                         if (rval) {
6483                                 ql_log(ql_log_warn, vha, 0x8001,
6484                                     "Unable to reinitialize FCE (%d).\n",
6485                                     rval);
6486                                 ha->flags.fce_enabled = 0;
6487                         }
6488                 }
6489
6490                 if (ha->eft) {
6491                         memset(ha->eft, 0, EFT_SIZE);
6492                         rval = qla2x00_enable_eft_trace(vha,
6493                             ha->eft_dma, EFT_NUM_BUFFERS);
6494                         if (rval) {
6495                                 ql_log(ql_log_warn, vha, 0x8010,
6496                                     "Unable to reinitialize EFT (%d).\n",
6497                                     rval);
6498                         }
6499                 }
6500         }
6501
6502         if (!status) {
6503                 ql_dbg(ql_dbg_taskm, vha, 0x8011,
6504                     "qla82xx_restart_isp succeeded.\n");
6505
6506                 spin_lock_irqsave(&ha->vport_slock, flags);
6507                 list_for_each_entry(vp, &ha->vp_list, list) {
6508                         if (vp->vp_idx) {
6509                                 atomic_inc(&vp->vref_count);
6510                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
6511
6512                                 qla2x00_vp_abort_isp(vp);
6513
6514                                 spin_lock_irqsave(&ha->vport_slock, flags);
6515                                 atomic_dec(&vp->vref_count);
6516                         }
6517                 }
6518                 spin_unlock_irqrestore(&ha->vport_slock, flags);
6519
6520         } else {
6521                 ql_log(ql_log_warn, vha, 0x8016,
6522                     "qla82xx_restart_isp **** FAILED ****.\n");
6523         }
6524
6525         return status;
6526 }
6527
6528 void
6529 qla81xx_update_fw_options(scsi_qla_host_t *vha)
6530 {
6531         struct qla_hw_data *ha = vha->hw;
6532
6533         /*  Hold status IOCBs until ABTS response received. */
6534         if (ql2xfwholdabts)
6535                 ha->fw_options[3] |= BIT_12;
6536
6537         /* Set Retry FLOGI in case of P2P connection */
6538         if (ha->operating_mode == P2P) {
6539                 ha->fw_options[2] |= BIT_3;
6540                 ql_dbg(ql_dbg_disc, vha, 0x2103,
6541                     "(%s): Setting FLOGI retry BIT in fw_options[2]: 0x%x\n",
6542                         __func__, ha->fw_options[2]);
6543         }
6544
6545         if (!ql2xetsenable)
6546                 goto out;
6547
6548         /* Enable ETS Burst. */
6549         memset(ha->fw_options, 0, sizeof(ha->fw_options));
6550         ha->fw_options[2] |= BIT_9;
6551 out:
6552         qla2x00_set_fw_options(vha, ha->fw_options);
6553 }
6554
6555 /*
6556  * qla24xx_get_fcp_prio
6557  *      Gets the fcp cmd priority value for the logged in port.
6558  *      Looks for a match of the port descriptors within
6559  *      each of the fcp prio config entries. If a match is found,
6560  *      the tag (priority) value is returned.
6561  *
6562  * Input:
6563  *      vha = scsi host structure pointer.
6564  *      fcport = port structure pointer.
6565  *
6566  * Return:
6567  *      non-zero (if found)
6568  *      -1 (if not found)
6569  *
6570  * Context:
6571  *      Kernel context
6572  */
6573 static int
6574 qla24xx_get_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
6575 {
6576         int i, entries;
6577         uint8_t pid_match, wwn_match;
6578         int priority;
6579         uint32_t pid1, pid2;
6580         uint64_t wwn1, wwn2;
6581         struct qla_fcp_prio_entry *pri_entry;
6582         struct qla_hw_data *ha = vha->hw;
6583
6584         if (!ha->fcp_prio_cfg || !ha->flags.fcp_prio_enabled)
6585                 return -1;
6586
6587         priority = -1;
6588         entries = ha->fcp_prio_cfg->num_entries;
6589         pri_entry = &ha->fcp_prio_cfg->entry[0];
6590
6591         for (i = 0; i < entries; i++) {
6592                 pid_match = wwn_match = 0;
6593
6594                 if (!(pri_entry->flags & FCP_PRIO_ENTRY_VALID)) {
6595                         pri_entry++;
6596                         continue;
6597                 }
6598
6599                 /* check source pid for a match */
6600                 if (pri_entry->flags & FCP_PRIO_ENTRY_SPID_VALID) {
6601                         pid1 = pri_entry->src_pid & INVALID_PORT_ID;
6602                         pid2 = vha->d_id.b24 & INVALID_PORT_ID;
6603                         if (pid1 == INVALID_PORT_ID)
6604                                 pid_match++;
6605                         else if (pid1 == pid2)
6606                                 pid_match++;
6607                 }
6608
6609                 /* check destination pid for a match */
6610                 if (pri_entry->flags & FCP_PRIO_ENTRY_DPID_VALID) {
6611                         pid1 = pri_entry->dst_pid & INVALID_PORT_ID;
6612                         pid2 = fcport->d_id.b24 & INVALID_PORT_ID;
6613                         if (pid1 == INVALID_PORT_ID)
6614                                 pid_match++;
6615                         else if (pid1 == pid2)
6616                                 pid_match++;
6617                 }
6618
6619                 /* check source WWN for a match */
6620                 if (pri_entry->flags & FCP_PRIO_ENTRY_SWWN_VALID) {
6621                         wwn1 = wwn_to_u64(vha->port_name);
6622                         wwn2 = wwn_to_u64(pri_entry->src_wwpn);
6623                         if (wwn2 == (uint64_t)-1)
6624                                 wwn_match++;
6625                         else if (wwn1 == wwn2)
6626                                 wwn_match++;
6627                 }
6628
6629                 /* check destination WWN for a match */
6630                 if (pri_entry->flags & FCP_PRIO_ENTRY_DWWN_VALID) {
6631                         wwn1 = wwn_to_u64(fcport->port_name);
6632                         wwn2 = wwn_to_u64(pri_entry->dst_wwpn);
6633                         if (wwn2 == (uint64_t)-1)
6634                                 wwn_match++;
6635                         else if (wwn1 == wwn2)
6636                                 wwn_match++;
6637                 }
6638
6639                 if (pid_match == 2 || wwn_match == 2) {
6640                         /* Found a matching entry */
6641                         if (pri_entry->flags & FCP_PRIO_ENTRY_TAG_VALID)
6642                                 priority = pri_entry->tag;
6643                         break;
6644                 }
6645
6646                 pri_entry++;
6647         }
6648
6649         return priority;
6650 }
6651
6652 /*
6653  * qla24xx_update_fcport_fcp_prio
6654  *      Activates fcp priority for the logged in fc port
6655  *
6656  * Input:
6657  *      vha = scsi host structure pointer.
6658  *      fcp = port structure pointer.
6659  *
6660  * Return:
6661  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
6662  *
6663  * Context:
6664  *      Kernel context.
6665  */
6666 int
6667 qla24xx_update_fcport_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
6668 {
6669         int ret;
6670         int priority;
6671         uint16_t mb[5];
6672
6673         if (fcport->port_type != FCT_TARGET ||
6674             fcport->loop_id == FC_NO_LOOP_ID)
6675                 return QLA_FUNCTION_FAILED;
6676
6677         priority = qla24xx_get_fcp_prio(vha, fcport);
6678         if (priority < 0)
6679                 return QLA_FUNCTION_FAILED;
6680
6681         if (IS_P3P_TYPE(vha->hw)) {
6682                 fcport->fcp_prio = priority & 0xf;
6683                 return QLA_SUCCESS;
6684         }
6685
6686         ret = qla24xx_set_fcp_prio(vha, fcport->loop_id, priority, mb);
6687         if (ret == QLA_SUCCESS) {
6688                 if (fcport->fcp_prio != priority)
6689                         ql_dbg(ql_dbg_user, vha, 0x709e,
6690                             "Updated FCP_CMND priority - value=%d loop_id=%d "
6691                             "port_id=%02x%02x%02x.\n", priority,
6692                             fcport->loop_id, fcport->d_id.b.domain,
6693                             fcport->d_id.b.area, fcport->d_id.b.al_pa);
6694                 fcport->fcp_prio = priority & 0xf;
6695         } else
6696                 ql_dbg(ql_dbg_user, vha, 0x704f,
6697                     "Unable to update FCP_CMND priority - ret=0x%x for "
6698                     "loop_id=%d port_id=%02x%02x%02x.\n", ret, fcport->loop_id,
6699                     fcport->d_id.b.domain, fcport->d_id.b.area,
6700                     fcport->d_id.b.al_pa);
6701         return  ret;
6702 }
6703
6704 /*
6705  * qla24xx_update_all_fcp_prio
6706  *      Activates fcp priority for all the logged in ports
6707  *
6708  * Input:
6709  *      ha = adapter block pointer.
6710  *
6711  * Return:
6712  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
6713  *
6714  * Context:
6715  *      Kernel context.
6716  */
6717 int
6718 qla24xx_update_all_fcp_prio(scsi_qla_host_t *vha)
6719 {
6720         int ret;
6721         fc_port_t *fcport;
6722
6723         ret = QLA_FUNCTION_FAILED;
6724         /* We need to set priority for all logged in ports */
6725         list_for_each_entry(fcport, &vha->vp_fcports, list)
6726                 ret = qla24xx_update_fcport_fcp_prio(vha, fcport);
6727
6728         return ret;
6729 }