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 *);
  34 static int qla2x00_restart_isp(scsi_qla_host_t *);
  35
  36 static struct qla_chip_state_84xx *qla84xx_get_chip(struct scsi_qla_host *);
  37 static int qla84xx_init_chip(scsi_qla_host_t *);
  38 static int qla25xx_init_queues(struct qla_hw_data *);
  39 static int qla24xx_post_prli_work(struct scsi_qla_host*, fc_port_t *);
  40 static void qla24xx_handle_plogi_done_event(struct scsi_qla_host *,
  41     struct event_arg *);
  42 static void qla24xx_handle_prli_done_event(struct scsi_qla_host *,
  43     struct event_arg *);
  44
  45 /* SRB Extensions ---------------------------------------------------------- */
  46
  47 void
  48 qla2x00_sp_timeout(struct timer_list *t)
  49 {
  50         srb_t *sp = from_timer(sp, t, u.iocb_cmd.timer);
  51         struct srb_iocb *iocb;
  52         scsi_qla_host_t *vha = sp->vha;
  53         struct req_que *req;
  54         unsigned long flags;
  55
  56         spin_lock_irqsave(&vha->hw->hardware_lock, flags);
  57         req = vha->hw->req_q_map[0];
  58         req->outstanding_cmds[sp->handle] = NULL;
  59         iocb = &sp->u.iocb_cmd;
  60         iocb->timeout(sp);
  61         sp->free(sp);
  62         spin_unlock_irqrestore(&vha->hw->hardware_lock, flags);
  63 }
  64
  65 void
  66 qla2x00_sp_free(void *ptr)
  67 {
  68         srb_t *sp = ptr;
  69         struct srb_iocb *iocb = &sp->u.iocb_cmd;
  70
  71         del_timer(&iocb->timer);
  72         qla2x00_rel_sp(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 void
  98 qla2x00_async_iocb_timeout(void *data)
  99 {
 100         srb_t *sp = data;
 101         fc_port_t *fcport = sp->fcport;
 102         struct srb_iocb *lio = &sp->u.iocb_cmd;
 103         struct event_arg ea;
 104
 105         ql_dbg(ql_dbg_disc, fcport->vha, 0x2071,
 106             "Async-%s timeout - hdl=%x portid=%06x %8phC.\n",
 107             sp->name, sp->handle, fcport->d_id.b24, fcport->port_name);
 108
 109         fcport->flags &= ~FCF_ASYNC_SENT;
 110
 111         switch (sp->type) {
 112         case SRB_LOGIN_CMD:
 113                 /* Retry as needed. */
 114                 lio->u.logio.data[0] = MBS_COMMAND_ERROR;
 115                 lio->u.logio.data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
 116                         QLA_LOGIO_LOGIN_RETRIED : 0;
 117                 memset(&ea, 0, sizeof(ea));
 118                 ea.event = FCME_PLOGI_DONE;
 119                 ea.fcport = sp->fcport;
 120                 ea.data[0] = lio->u.logio.data[0];
 121                 ea.data[1] = lio->u.logio.data[1];
 122                 ea.sp = sp;
 123                 qla24xx_handle_plogi_done_event(fcport->vha, &ea);
 124                 break;
 125         case SRB_LOGOUT_CMD:
 126                 qlt_logo_completion_handler(fcport, QLA_FUNCTION_TIMEOUT);
 127                 break;
 128         case SRB_CT_PTHRU_CMD:
 129         case SRB_MB_IOCB:
 130         case SRB_NACK_PLOGI:
 131         case SRB_NACK_PRLI:
 132         case SRB_NACK_LOGO:
 133                 sp->done(sp, QLA_FUNCTION_TIMEOUT);
 134                 break;
 135         }
 136 }
 137
 138 static void
 139 qla2x00_async_login_sp_done(void *ptr, int res)
 140 {
 141         srb_t *sp = ptr;
 142         struct scsi_qla_host *vha = sp->vha;
 143         struct srb_iocb *lio = &sp->u.iocb_cmd;
 144         struct event_arg ea;
 145
 146         ql_dbg(ql_dbg_disc, vha, 0x20dd,
 147             "%s %8phC res %d \n", __func__, sp->fcport->port_name, res);
 148
 149         sp->fcport->flags &= ~FCF_ASYNC_SENT;
 150         if (!test_bit(UNLOADING, &vha->dpc_flags)) {
 151                 memset(&ea, 0, sizeof(ea));
 152                 ea.event = FCME_PLOGI_DONE;
 153                 ea.fcport = sp->fcport;
 154                 ea.data[0] = lio->u.logio.data[0];
 155                 ea.data[1] = lio->u.logio.data[1];
 156                 ea.iop[0] = lio->u.logio.iop[0];
 157                 ea.iop[1] = lio->u.logio.iop[1];
 158                 ea.sp = sp;
 159                 qla2x00_fcport_event_handler(vha, &ea);
 160         }
 161
 162         sp->free(sp);
 163 }
 164
 165 int
 166 qla2x00_async_login(struct scsi_qla_host *vha, fc_port_t *fcport,
 167     uint16_t *data)
 168 {
 169         srb_t *sp;
 170         struct srb_iocb *lio;
 171         int rval = QLA_FUNCTION_FAILED;
 172
 173         if (!vha->flags.online)
 174                 goto done;
 175
 176         if ((fcport->fw_login_state == DSC_LS_PLOGI_PEND) ||
 177             (fcport->fw_login_state == DSC_LS_PLOGI_COMP) ||
 178             (fcport->fw_login_state == DSC_LS_PRLI_PEND))
 179                 goto done;
 180
 181         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 182         if (!sp)
 183                 goto done;
 184
 185         fcport->flags |= FCF_ASYNC_SENT;
 186         fcport->logout_completed = 0;
 187
 188         sp->type = SRB_LOGIN_CMD;
 189         sp->name = "login";
 190         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
 191
 192         lio = &sp->u.iocb_cmd;
 193         lio->timeout = qla2x00_async_iocb_timeout;
 194         sp->done = qla2x00_async_login_sp_done;
 195         lio->u.logio.flags |= SRB_LOGIN_COND_PLOGI;
 196
 197         if (fcport->fc4f_nvme)
 198                 lio->u.logio.flags |= SRB_LOGIN_SKIP_PRLI;
 199
 200         if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
 201                 lio->u.logio.flags |= SRB_LOGIN_RETRIED;
 202         rval = qla2x00_start_sp(sp);
 203         if (rval != QLA_SUCCESS) {
 204                 fcport->flags &= ~FCF_ASYNC_SENT;
 205                 fcport->flags |= FCF_LOGIN_NEEDED;
 206                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
 207                 goto done_free_sp;
 208         }
 209
 210         ql_dbg(ql_dbg_disc, vha, 0x2072,
 211             "Async-login - %8phC hdl=%x, loopid=%x portid=%02x%02x%02x "
 212                 "retries=%d.\n", fcport->port_name, sp->handle, fcport->loop_id,
 213             fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa,
 214             fcport->login_retry);
 215         return rval;
 216
 217 done_free_sp:
 218         sp->free(sp);
 219 done:
 220         fcport->flags &= ~FCF_ASYNC_SENT;
 221         return rval;
 222 }
 223
 224 static void
 225 qla2x00_async_logout_sp_done(void *ptr, int res)
 226 {
 227         srb_t *sp = ptr;
 228         struct srb_iocb *lio = &sp->u.iocb_cmd;
 229
 230         sp->fcport->flags &= ~FCF_ASYNC_SENT;
 231         if (!test_bit(UNLOADING, &sp->vha->dpc_flags))
 232                 qla2x00_post_async_logout_done_work(sp->vha, sp->fcport,
 233                     lio->u.logio.data);
 234         sp->free(sp);
 235 }
 236
 237 int
 238 qla2x00_async_logout(struct scsi_qla_host *vha, fc_port_t *fcport)
 239 {
 240         srb_t *sp;
 241         struct srb_iocb *lio;
 242         int rval;
 243
 244         rval = QLA_FUNCTION_FAILED;
 245         fcport->flags |= FCF_ASYNC_SENT;
 246         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 247         if (!sp)
 248                 goto done;
 249
 250         sp->type = SRB_LOGOUT_CMD;
 251         sp->name = "logout";
 252         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
 253
 254         lio = &sp->u.iocb_cmd;
 255         lio->timeout = qla2x00_async_iocb_timeout;
 256         sp->done = qla2x00_async_logout_sp_done;
 257         rval = qla2x00_start_sp(sp);
 258         if (rval != QLA_SUCCESS)
 259                 goto done_free_sp;
 260
 261         ql_dbg(ql_dbg_disc, vha, 0x2070,
 262             "Async-logout - hdl=%x loop-id=%x portid=%02x%02x%02x %8phC.\n",
 263             sp->handle, fcport->loop_id, fcport->d_id.b.domain,
 264                 fcport->d_id.b.area, fcport->d_id.b.al_pa,
 265                 fcport->port_name);
 266         return rval;
 267
 268 done_free_sp:
 269         sp->free(sp);
 270 done:
 271         fcport->flags &= ~FCF_ASYNC_SENT;
 272         return rval;
 273 }
 274
 275 static void
 276 qla2x00_async_adisc_sp_done(void *ptr, int res)
 277 {
 278         srb_t *sp = ptr;
 279         struct scsi_qla_host *vha = sp->vha;
 280         struct srb_iocb *lio = &sp->u.iocb_cmd;
 281
 282         if (!test_bit(UNLOADING, &vha->dpc_flags))
 283                 qla2x00_post_async_adisc_done_work(sp->vha, sp->fcport,
 284                     lio->u.logio.data);
 285         sp->free(sp);
 286 }
 287
 288 int
 289 qla2x00_async_adisc(struct scsi_qla_host *vha, fc_port_t *fcport,
 290     uint16_t *data)
 291 {
 292         srb_t *sp;
 293         struct srb_iocb *lio;
 294         int rval;
 295
 296         rval = QLA_FUNCTION_FAILED;
 297         fcport->flags |= FCF_ASYNC_SENT;
 298         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 299         if (!sp)
 300                 goto done;
 301
 302         sp->type = SRB_ADISC_CMD;
 303         sp->name = "adisc";
 304         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
 305
 306         lio = &sp->u.iocb_cmd;
 307         lio->timeout = qla2x00_async_iocb_timeout;
 308         sp->done = qla2x00_async_adisc_sp_done;
 309         if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
 310                 lio->u.logio.flags |= SRB_LOGIN_RETRIED;
 311         rval = qla2x00_start_sp(sp);
 312         if (rval != QLA_SUCCESS)
 313                 goto done_free_sp;
 314
 315         ql_dbg(ql_dbg_disc, vha, 0x206f,
 316             "Async-adisc - hdl=%x loopid=%x portid=%02x%02x%02x.\n",
 317             sp->handle, fcport->loop_id, fcport->d_id.b.domain,
 318             fcport->d_id.b.area, fcport->d_id.b.al_pa);
 319         return rval;
 320
 321 done_free_sp:
 322         sp->free(sp);
 323 done:
 324         fcport->flags &= ~FCF_ASYNC_SENT;
 325         return rval;
 326 }
 327
 328 static void qla24xx_handle_gnl_done_event(scsi_qla_host_t *vha,
 329         struct event_arg *ea)
 330 {
 331         fc_port_t *fcport, *conflict_fcport;
 332         struct get_name_list_extended *e;
 333         u16 i, n, found = 0, loop_id;
 334         port_id_t id;
 335         u64 wwn;
 336         u8 opt = 0, current_login_state;
 337
 338         fcport = ea->fcport;
 339
 340         if (ea->rc) { /* rval */
 341                 if (fcport->login_retry == 0) {
 342                         fcport->login_retry = vha->hw->login_retry_count;
 343                         ql_dbg(ql_dbg_disc, vha, 0x20de,
 344                             "GNL failed Port login retry %8phN, retry cnt=%d.\n",
 345                             fcport->port_name, fcport->login_retry);
 346                 }
 347                 return;
 348         }
 349
 350         if (fcport->last_rscn_gen != fcport->rscn_gen) {
 351                 ql_dbg(ql_dbg_disc, vha, 0x20df,
 352                     "%s %8phC rscn gen changed rscn %d|%d \n",
 353                     __func__, fcport->port_name,
 354                     fcport->last_rscn_gen, fcport->rscn_gen);
 355                 qla24xx_post_gidpn_work(vha, fcport);
 356                 return;
 357         } else if (fcport->last_login_gen != fcport->login_gen) {
 358                 ql_dbg(ql_dbg_disc, vha, 0x20e0,
 359                     "%s %8phC login gen changed login %d|%d\n",
 360                     __func__, fcport->port_name,
 361                     fcport->last_login_gen, fcport->login_gen);
 362                 return;
 363         }
 364
 365         n = ea->data[0] / sizeof(struct get_name_list_extended);
 366
 367         ql_dbg(ql_dbg_disc, vha, 0x20e1,
 368             "%s %d %8phC n %d %02x%02x%02x lid %d \n",
 369             __func__, __LINE__, fcport->port_name, n,
 370             fcport->d_id.b.domain, fcport->d_id.b.area,
 371             fcport->d_id.b.al_pa, fcport->loop_id);
 372
 373         for (i = 0; i < n; i++) {
 374                 e = &vha->gnl.l[i];
 375                 wwn = wwn_to_u64(e->port_name);
 376
 377                 if (memcmp((u8 *)&wwn, fcport->port_name, WWN_SIZE))
 378                         continue;
 379
 380                 found = 1;
 381                 id.b.domain = e->port_id[2];
 382                 id.b.area = e->port_id[1];
 383                 id.b.al_pa = e->port_id[0];
 384                 id.b.rsvd_1 = 0;
 385
 386                 loop_id = le16_to_cpu(e->nport_handle);
 387                 loop_id = (loop_id & 0x7fff);
 388
 389                 ql_dbg(ql_dbg_disc, vha, 0x20e2,
 390                     "%s found %8phC CLS [%d|%d] ID[%02x%02x%02x|%02x%02x%02x] lid[%d|%d]\n",
 391                     __func__, fcport->port_name,
 392                     e->current_login_state, fcport->fw_login_state,
 393                     id.b.domain, id.b.area, id.b.al_pa,
 394                     fcport->d_id.b.domain, fcport->d_id.b.area,
 395                     fcport->d_id.b.al_pa, loop_id, fcport->loop_id);
 396
 397                 if ((id.b24 != fcport->d_id.b24) ||
 398                     ((fcport->loop_id != FC_NO_LOOP_ID) &&
 399                         (fcport->loop_id != loop_id))) {
 400                         ql_dbg(ql_dbg_disc, vha, 0x20e3,
 401                             "%s %d %8phC post del sess\n",
 402                             __func__, __LINE__, fcport->port_name);
 403                         qlt_schedule_sess_for_deletion(fcport, 1);
 404                         return;
 405                 }
 406
 407                 fcport->loop_id = loop_id;
 408
 409                 wwn = wwn_to_u64(fcport->port_name);
 410                 qlt_find_sess_invalidate_other(vha, wwn,
 411                         id, loop_id, &conflict_fcport);
 412
 413                 if (conflict_fcport) {
 414                         /*
 415                          * Another share fcport share the same loop_id &
 416                          * nport id. Conflict fcport needs to finish
 417                          * cleanup before this fcport can proceed to login.
 418                          */
 419                         conflict_fcport->conflict = fcport;
 420                         fcport->login_pause = 1;
 421                 }
 422
 423                 if  (fcport->fc4f_nvme)
 424                         current_login_state = e->current_login_state >> 4;
 425                 else
 426                         current_login_state = e->current_login_state & 0xf;
 427
 428                 switch (current_login_state) {
 429                 case DSC_LS_PRLI_COMP:
 430                         ql_dbg(ql_dbg_disc, vha, 0x20e4,
 431                             "%s %d %8phC post gpdb\n",
 432                             __func__, __LINE__, fcport->port_name);
 433                         opt = PDO_FORCE_ADISC;
 434                         qla24xx_post_gpdb_work(vha, fcport, opt);
 435                         break;
 436                 case DSC_LS_PORT_UNAVAIL:
 437                 default:
 438                         if (fcport->loop_id == FC_NO_LOOP_ID) {
 439                                 qla2x00_find_new_loop_id(vha, fcport);
 440                                 fcport->fw_login_state = DSC_LS_PORT_UNAVAIL;
 441                         }
 442                         ql_dbg(ql_dbg_disc, vha, 0x20e5,
 443                             "%s %d %8phC\n",
 444                             __func__, __LINE__, fcport->port_name);
 445                         qla24xx_fcport_handle_login(vha, fcport);
 446                         break;
 447                 }
 448         }
 449
 450         if (!found) {
 451                 /* fw has no record of this port */
 452                 if (fcport->loop_id == FC_NO_LOOP_ID) {
 453                         qla2x00_find_new_loop_id(vha, fcport);
 454                         fcport->fw_login_state = DSC_LS_PORT_UNAVAIL;
 455                 } else {
 456                         for (i = 0; i < n; i++) {
 457                                 e = &vha->gnl.l[i];
 458                                 id.b.domain = e->port_id[0];
 459                                 id.b.area = e->port_id[1];
 460                                 id.b.al_pa = e->port_id[2];
 461                                 id.b.rsvd_1 = 0;
 462                                 loop_id = le16_to_cpu(e->nport_handle);
 463
 464                                 if (fcport->d_id.b24 == id.b24) {
 465                                         conflict_fcport =
 466                                             qla2x00_find_fcport_by_wwpn(vha,
 467                                                 e->port_name, 0);
 468
 469                                         ql_dbg(ql_dbg_disc, vha, 0x20e6,
 470                                             "%s %d %8phC post del sess\n",
 471                                             __func__, __LINE__,
 472                                             conflict_fcport->port_name);
 473                                         qlt_schedule_sess_for_deletion
 474                                                 (conflict_fcport, 1);
 475                                 }
 476
 477                                 if (fcport->loop_id == loop_id) {
 478                                         /* FW already picked this loop id for another fcport */
 479                                         qla2x00_find_new_loop_id(vha, fcport);
 480                                 }
 481                         }
 482                 }
 483                 qla24xx_fcport_handle_login(vha, fcport);
 484         }
 485 } /* gnl_event */
 486
 487 static void
 488 qla24xx_async_gnl_sp_done(void *s, int res)
 489 {
 490         struct srb *sp = s;
 491         struct scsi_qla_host *vha = sp->vha;
 492         unsigned long flags;
 493         struct fc_port *fcport = NULL, *tf;
 494         u16 i, n = 0, loop_id;
 495         struct event_arg ea;
 496         struct get_name_list_extended *e;
 497         u64 wwn;
 498         struct list_head h;
 499
 500         ql_dbg(ql_dbg_disc, vha, 0x20e7,
 501             "Async done-%s res %x mb[1]=%x mb[2]=%x \n",
 502             sp->name, res, sp->u.iocb_cmd.u.mbx.in_mb[1],
 503             sp->u.iocb_cmd.u.mbx.in_mb[2]);
 504
 505         memset(&ea, 0, sizeof(ea));
 506         ea.sp = sp;
 507         ea.rc = res;
 508         ea.event = FCME_GNL_DONE;
 509
 510         if (sp->u.iocb_cmd.u.mbx.in_mb[1] >=
 511             sizeof(struct get_name_list_extended)) {
 512                 n = sp->u.iocb_cmd.u.mbx.in_mb[1] /
 513                     sizeof(struct get_name_list_extended);
 514                 ea.data[0] = sp->u.iocb_cmd.u.mbx.in_mb[1]; /* amnt xfered */
 515         }
 516
 517         for (i = 0; i < n; i++) {
 518                 e = &vha->gnl.l[i];
 519                 loop_id = le16_to_cpu(e->nport_handle);
 520                 /* mask out reserve bit */
 521                 loop_id = (loop_id & 0x7fff);
 522                 set_bit(loop_id, vha->hw->loop_id_map);
 523                 wwn = wwn_to_u64(e->port_name);
 524
 525                 ql_dbg(ql_dbg_disc + ql_dbg_verbose, vha, 0x20e8,
 526                     "%s %8phC %02x:%02x:%02x state %d/%d lid %x \n",
 527                     __func__, (void *)&wwn, e->port_id[2], e->port_id[1],
 528                     e->port_id[0], e->current_login_state, e->last_login_state,
 529                     (loop_id & 0x7fff));
 530         }
 531
 532         spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
 533         vha->gnl.sent = 0;
 534
 535         INIT_LIST_HEAD(&h);
 536         fcport = tf = NULL;
 537         if (!list_empty(&vha->gnl.fcports))
 538                 list_splice_init(&vha->gnl.fcports, &h);
 539
 540         list_for_each_entry_safe(fcport, tf, &h, gnl_entry) {
 541                 list_del_init(&fcport->gnl_entry);
 542                 fcport->flags &= ~FCF_ASYNC_SENT;
 543                 ea.fcport = fcport;
 544
 545                 qla2x00_fcport_event_handler(vha, &ea);
 546         }
 547
 548         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
 549
 550         sp->free(sp);
 551 }
 552
 553 int qla24xx_async_gnl(struct scsi_qla_host *vha, fc_port_t *fcport)
 554 {
 555         srb_t *sp;
 556         struct srb_iocb *mbx;
 557         int rval = QLA_FUNCTION_FAILED;
 558         unsigned long flags;
 559         u16 *mb;
 560
 561         if (!vha->flags.online)
 562                 goto done;
 563
 564         ql_dbg(ql_dbg_disc, vha, 0x20d9,
 565             "Async-gnlist WWPN %8phC \n", fcport->port_name);
 566
 567         spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
 568         fcport->flags |= FCF_ASYNC_SENT;
 569         fcport->disc_state = DSC_GNL;
 570         fcport->last_rscn_gen = fcport->rscn_gen;
 571         fcport->last_login_gen = fcport->login_gen;
 572
 573         list_add_tail(&fcport->gnl_entry, &vha->gnl.fcports);
 574         if (vha->gnl.sent) {
 575                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
 576                 rval = QLA_SUCCESS;
 577                 goto done;
 578         }
 579         vha->gnl.sent = 1;
 580         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
 581
 582         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 583         if (!sp)
 584                 goto done;
 585         sp->type = SRB_MB_IOCB;
 586         sp->name = "gnlist";
 587         sp->gen1 = fcport->rscn_gen;
 588         sp->gen2 = fcport->login_gen;
 589
 590         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha)+2);
 591
 592         mb = sp->u.iocb_cmd.u.mbx.out_mb;
 593         mb[0] = MBC_PORT_NODE_NAME_LIST;
 594         mb[1] = BIT_2 | BIT_3;
 595         mb[2] = MSW(vha->gnl.ldma);
 596         mb[3] = LSW(vha->gnl.ldma);
 597         mb[6] = MSW(MSD(vha->gnl.ldma));
 598         mb[7] = LSW(MSD(vha->gnl.ldma));
 599         mb[8] = vha->gnl.size;
 600         mb[9] = vha->vp_idx;
 601
 602         mbx = &sp->u.iocb_cmd;
 603         mbx->timeout = qla2x00_async_iocb_timeout;
 604
 605         sp->done = qla24xx_async_gnl_sp_done;
 606
 607         rval = qla2x00_start_sp(sp);
 608         if (rval != QLA_SUCCESS)
 609                 goto done_free_sp;
 610
 611         ql_dbg(ql_dbg_disc, vha, 0x20da,
 612             "Async-%s - OUT WWPN %8phC hndl %x\n",
 613             sp->name, fcport->port_name, sp->handle);
 614
 615         return rval;
 616
 617 done_free_sp:
 618         sp->free(sp);
 619 done:
 620         fcport->flags &= ~FCF_ASYNC_SENT;
 621         return rval;
 622 }
 623
 624 int qla24xx_post_gnl_work(struct scsi_qla_host *vha, fc_port_t *fcport)
 625 {
 626         struct qla_work_evt *e;
 627
 628         e = qla2x00_alloc_work(vha, QLA_EVT_GNL);
 629         if (!e)
 630                 return QLA_FUNCTION_FAILED;
 631
 632         e->u.fcport.fcport = fcport;
 633         return qla2x00_post_work(vha, e);
 634 }
 635
 636 static
 637 void qla24xx_async_gpdb_sp_done(void *s, int res)
 638 {
 639         struct srb *sp = s;
 640         struct scsi_qla_host *vha = sp->vha;
 641         struct qla_hw_data *ha = vha->hw;
 642         struct port_database_24xx *pd;
 643         fc_port_t *fcport = sp->fcport;
 644         u16 *mb = sp->u.iocb_cmd.u.mbx.in_mb;
 645         int rval = QLA_SUCCESS;
 646         struct event_arg ea;
 647
 648         ql_dbg(ql_dbg_disc, vha, 0x20db,
 649             "Async done-%s res %x, WWPN %8phC mb[1]=%x mb[2]=%x \n",
 650             sp->name, res, fcport->port_name, mb[1], mb[2]);
 651
 652         fcport->flags &= ~FCF_ASYNC_SENT;
 653
 654         if (res) {
 655                 rval = res;
 656                 goto gpd_error_out;
 657         }
 658
 659         pd = (struct port_database_24xx *)sp->u.iocb_cmd.u.mbx.in;
 660
 661         rval = __qla24xx_parse_gpdb(vha, fcport, pd);
 662
 663 gpd_error_out:
 664         memset(&ea, 0, sizeof(ea));
 665         ea.event = FCME_GPDB_DONE;
 666         ea.rc = rval;
 667         ea.fcport = fcport;
 668         ea.sp = sp;
 669
 670         qla2x00_fcport_event_handler(vha, &ea);
 671
 672         dma_pool_free(ha->s_dma_pool, sp->u.iocb_cmd.u.mbx.in,
 673                 sp->u.iocb_cmd.u.mbx.in_dma);
 674
 675         sp->free(sp);
 676 }
 677
 678 static int qla24xx_post_prli_work(struct scsi_qla_host *vha, fc_port_t *fcport)
 679 {
 680         struct qla_work_evt *e;
 681
 682         e = qla2x00_alloc_work(vha, QLA_EVT_PRLI);
 683         if (!e)
 684                 return QLA_FUNCTION_FAILED;
 685
 686         e->u.fcport.fcport = fcport;
 687
 688         return qla2x00_post_work(vha, e);
 689 }
 690
 691 static void
 692 qla2x00_async_prli_sp_done(void *ptr, int res)
 693 {
 694         srb_t *sp = ptr;
 695         struct scsi_qla_host *vha = sp->vha;
 696         struct srb_iocb *lio = &sp->u.iocb_cmd;
 697         struct event_arg ea;
 698
 699         ql_dbg(ql_dbg_disc, vha, 0x2129,
 700             "%s %8phC res %d \n", __func__,
 701             sp->fcport->port_name, res);
 702
 703         sp->fcport->flags &= ~FCF_ASYNC_SENT;
 704
 705         if (!test_bit(UNLOADING, &vha->dpc_flags)) {
 706                 memset(&ea, 0, sizeof(ea));
 707                 ea.event = FCME_PRLI_DONE;
 708                 ea.fcport = sp->fcport;
 709                 ea.data[0] = lio->u.logio.data[0];
 710                 ea.data[1] = lio->u.logio.data[1];
 711                 ea.iop[0] = lio->u.logio.iop[0];
 712                 ea.iop[1] = lio->u.logio.iop[1];
 713                 ea.sp = sp;
 714
 715                 qla2x00_fcport_event_handler(vha, &ea);
 716         }
 717
 718         sp->free(sp);
 719 }
 720
 721 int
 722 qla24xx_async_prli(struct scsi_qla_host *vha, fc_port_t *fcport)
 723 {
 724         srb_t *sp;
 725         struct srb_iocb *lio;
 726         int rval = QLA_FUNCTION_FAILED;
 727
 728         if (!vha->flags.online)
 729                 return rval;
 730
 731         if (fcport->fw_login_state == DSC_LS_PLOGI_PEND ||
 732             fcport->fw_login_state == DSC_LS_PLOGI_COMP ||
 733             fcport->fw_login_state == DSC_LS_PRLI_PEND)
 734                 return rval;
 735
 736         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 737         if (!sp)
 738                 return rval;
 739
 740         fcport->flags |= FCF_ASYNC_SENT;
 741         fcport->logout_completed = 0;
 742
 743         sp->type = SRB_PRLI_CMD;
 744         sp->name = "prli";
 745         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
 746
 747         lio = &sp->u.iocb_cmd;
 748         lio->timeout = qla2x00_async_iocb_timeout;
 749         sp->done = qla2x00_async_prli_sp_done;
 750         lio->u.logio.flags = 0;
 751
 752         if  (fcport->fc4f_nvme)
 753                 lio->u.logio.flags |= SRB_LOGIN_NVME_PRLI;
 754
 755         rval = qla2x00_start_sp(sp);
 756         if (rval != QLA_SUCCESS) {
 757                 fcport->flags &= ~FCF_ASYNC_SENT;
 758                 fcport->flags |= FCF_LOGIN_NEEDED;
 759                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
 760                 goto done_free_sp;
 761         }
 762
 763         ql_dbg(ql_dbg_disc, vha, 0x211b,
 764             "Async-prli - %8phC hdl=%x, loopid=%x portid=%06x retries=%d.\n",
 765             fcport->port_name, sp->handle, fcport->loop_id,
 766             fcport->d_id.b24, fcport->login_retry);
 767
 768         return rval;
 769
 770 done_free_sp:
 771         sp->free(sp);
 772         fcport->flags &= ~FCF_ASYNC_SENT;
 773         return rval;
 774 }
 775
 776 int qla24xx_post_gpdb_work(struct scsi_qla_host *vha, fc_port_t *fcport, u8 opt)
 777 {
 778         struct qla_work_evt *e;
 779
 780         e = qla2x00_alloc_work(vha, QLA_EVT_GPDB);
 781         if (!e)
 782                 return QLA_FUNCTION_FAILED;
 783
 784         e->u.fcport.fcport = fcport;
 785         e->u.fcport.opt = opt;
 786         return qla2x00_post_work(vha, e);
 787 }
 788
 789 int qla24xx_async_gpdb(struct scsi_qla_host *vha, fc_port_t *fcport, u8 opt)
 790 {
 791         srb_t *sp;
 792         struct srb_iocb *mbx;
 793         int rval = QLA_FUNCTION_FAILED;
 794         u16 *mb;
 795         dma_addr_t pd_dma;
 796         struct port_database_24xx *pd;
 797         struct qla_hw_data *ha = vha->hw;
 798
 799         if (!vha->flags.online)
 800                 goto done;
 801
 802         fcport->flags |= FCF_ASYNC_SENT;
 803         fcport->disc_state = DSC_GPDB;
 804
 805         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
 806         if (!sp)
 807                 goto done;
 808
 809         sp->type = SRB_MB_IOCB;
 810         sp->name = "gpdb";
 811         sp->gen1 = fcport->rscn_gen;
 812         sp->gen2 = fcport->login_gen;
 813         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2);
 814
 815         pd = dma_pool_zalloc(ha->s_dma_pool, GFP_KERNEL, &pd_dma);
 816         if (pd == NULL) {
 817                 ql_log(ql_log_warn, vha, 0xd043,
 818                     "Failed to allocate port database structure.\n");
 819                 goto done_free_sp;
 820         }
 821
 822         mb = sp->u.iocb_cmd.u.mbx.out_mb;
 823         mb[0] = MBC_GET_PORT_DATABASE;
 824         mb[1] = fcport->loop_id;
 825         mb[2] = MSW(pd_dma);
 826         mb[3] = LSW(pd_dma);
 827         mb[6] = MSW(MSD(pd_dma));
 828         mb[7] = LSW(MSD(pd_dma));
 829         mb[9] = vha->vp_idx;
 830         mb[10] = opt;
 831
 832         mbx = &sp->u.iocb_cmd;
 833         mbx->timeout = qla2x00_async_iocb_timeout;
 834         mbx->u.mbx.in = (void *)pd;
 835         mbx->u.mbx.in_dma = pd_dma;
 836
 837         sp->done = qla24xx_async_gpdb_sp_done;
 838
 839         rval = qla2x00_start_sp(sp);
 840         if (rval != QLA_SUCCESS)
 841                 goto done_free_sp;
 842
 843         ql_dbg(ql_dbg_disc, vha, 0x20dc,
 844             "Async-%s %8phC hndl %x opt %x\n",
 845             sp->name, fcport->port_name, sp->handle, opt);
 846
 847         return rval;
 848
 849 done_free_sp:
 850         if (pd)
 851                 dma_pool_free(ha->s_dma_pool, pd, pd_dma);
 852
 853         sp->free(sp);
 854 done:
 855         fcport->flags &= ~FCF_ASYNC_SENT;
 856         qla24xx_post_gpdb_work(vha, fcport, opt);
 857         return rval;
 858 }
 859
 860 static
 861 void qla24xx_handle_gpdb_event(scsi_qla_host_t *vha, struct event_arg *ea)
 862 {
 863         int rval = ea->rc;
 864         fc_port_t *fcport = ea->fcport;
 865         unsigned long flags;
 866         u16 opt = ea->sp->u.iocb_cmd.u.mbx.out_mb[10];
 867
 868         fcport->flags &= ~FCF_ASYNC_SENT;
 869
 870         ql_dbg(ql_dbg_disc, vha, 0x20d2,
 871             "%s %8phC DS %d LS %d rval %d\n", __func__, fcport->port_name,
 872             fcport->disc_state, fcport->fw_login_state, rval);
 873
 874         if (ea->sp->gen2 != fcport->login_gen) {
 875                 /* target side must have changed it. */
 876                 ql_dbg(ql_dbg_disc, vha, 0x20d3,
 877                     "%s %8phC generation changed rscn %d|%d login %d|%d \n",
 878                     __func__, fcport->port_name, fcport->last_rscn_gen,
 879                     fcport->rscn_gen, fcport->last_login_gen,
 880                     fcport->login_gen);
 881                 return;
 882         } else if (ea->sp->gen1 != fcport->rscn_gen) {
 883                 ql_dbg(ql_dbg_disc, vha, 0x20d4, "%s %d %8phC post gidpn\n",
 884                     __func__, __LINE__, fcport->port_name);
 885                 qla24xx_post_gidpn_work(vha, fcport);
 886                 return;
 887         }
 888
 889         if (rval != QLA_SUCCESS) {
 890                 ql_dbg(ql_dbg_disc, vha, 0x20d5, "%s %d %8phC post del sess\n",
 891                     __func__, __LINE__, fcport->port_name);
 892                 qlt_schedule_sess_for_deletion_lock(fcport);
 893                 return;
 894         }
 895
 896         spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
 897         if (opt != PDO_FORCE_ADISC)
 898                 ea->fcport->login_gen++;
 899         ea->fcport->deleted = 0;
 900         ea->fcport->logout_on_delete = 1;
 901
 902         if (!ea->fcport->login_succ && !IS_SW_RESV_ADDR(ea->fcport->d_id)) {
 903                 vha->fcport_count++;
 904                 ea->fcport->login_succ = 1;
 905
 906                 if (!IS_IIDMA_CAPABLE(vha->hw) ||
 907                     !vha->hw->flags.gpsc_supported) {
 908                         ql_dbg(ql_dbg_disc, vha, 0x20d6,
 909                             "%s %d %8phC post upd_fcport fcp_cnt %d\n",
 910                             __func__, __LINE__, fcport->port_name,
 911                             vha->fcport_count);
 912
 913                         qla24xx_post_upd_fcport_work(vha, fcport);
 914                 } else {
 915                         ql_dbg(ql_dbg_disc, vha, 0x20d7,
 916                             "%s %d %8phC post gpsc fcp_cnt %d\n",
 917                             __func__, __LINE__, fcport->port_name,
 918                             vha->fcport_count);
 919
 920                         qla24xx_post_gpsc_work(vha, fcport);
 921                 }
 922         } else if (ea->fcport->login_succ) {
 923                 /*
 924                  * We have an existing session. A late RSCN delivery
 925                  * must have triggered the session to be re-validate.
 926                  * session is still valid.
 927                  */
 928                 ql_dbg(ql_dbg_disc, vha, 0x20d6,
 929                     "%s %d %8phC session revalidate success\n",
 930                     __func__, __LINE__, fcport->port_name);
 931                 fcport->disc_state = DSC_LOGIN_COMPLETE;
 932         }
 933         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
 934 } /* gpdb event */
 935
 936 int qla24xx_fcport_handle_login(struct scsi_qla_host *vha, fc_port_t *fcport)
 937 {
 938         if (fcport->login_retry == 0)
 939                 return 0;
 940
 941         if (fcport->scan_state != QLA_FCPORT_FOUND)
 942                 return 0;
 943
 944         ql_dbg(ql_dbg_disc, vha, 0x20d8,
 945             "%s %8phC DS %d LS %d P %d fl %x confl %p rscn %d|%d login %d|%d retry %d lid %d\n",
 946             __func__, fcport->port_name, fcport->disc_state,
 947             fcport->fw_login_state, fcport->login_pause, fcport->flags,
 948             fcport->conflict, fcport->last_rscn_gen, fcport->rscn_gen,
 949             fcport->last_login_gen, fcport->login_gen, fcport->login_retry,
 950             fcport->loop_id);
 951
 952         fcport->login_retry--;
 953
 954         if ((fcport->fw_login_state == DSC_LS_PLOGI_PEND) ||
 955             (fcport->fw_login_state == DSC_LS_PRLI_PEND))
 956                 return 0;
 957
 958         if (fcport->fw_login_state == DSC_LS_PLOGI_COMP) {
 959                 if (time_before_eq(jiffies, fcport->plogi_nack_done_deadline))
 960                         return 0;
 961         }
 962
 963         /* for pure Target Mode. Login will not be initiated */
 964         if (vha->host->active_mode == MODE_TARGET)
 965                 return 0;
 966
 967         if (fcport->flags & FCF_ASYNC_SENT) {
 968                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
 969                 return 0;
 970         }
 971
 972         switch (fcport->disc_state) {
 973         case DSC_DELETED:
 974                 if (fcport->loop_id == FC_NO_LOOP_ID) {
 975                         ql_dbg(ql_dbg_disc, vha, 0x20bd,
 976                             "%s %d %8phC post gnl\n",
 977                             __func__, __LINE__, fcport->port_name);
 978                         qla24xx_post_gnl_work(vha, fcport);
 979                 } else {
 980                         ql_dbg(ql_dbg_disc, vha, 0x20bf,
 981                             "%s %d %8phC post login\n",
 982                             __func__, __LINE__, fcport->port_name);
 983                         fcport->disc_state = DSC_LOGIN_PEND;
 984                         qla2x00_post_async_login_work(vha, fcport, NULL);
 985                 }
 986                 break;
 987
 988         case DSC_GNL:
 989                 if (fcport->login_pause) {
 990                         fcport->last_rscn_gen = fcport->rscn_gen;
 991                         fcport->last_login_gen = fcport->login_gen;
 992                         set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
 993                         break;
 994                 }
 995
 996                 if (fcport->flags & FCF_FCP2_DEVICE) {
 997                         u8 opt = PDO_FORCE_ADISC;
 998
 999                         ql_dbg(ql_dbg_disc, vha, 0x20c9,
1000                             "%s %d %8phC post gpdb\n",
1001                             __func__, __LINE__, fcport->port_name);
1002
1003                         fcport->disc_state = DSC_GPDB;
1004                         qla24xx_post_gpdb_work(vha, fcport, opt);
1005                 } else {
1006                         ql_dbg(ql_dbg_disc, vha, 0x20cf,
1007                             "%s %d %8phC post login\n",
1008                             __func__, __LINE__, fcport->port_name);
1009                         fcport->disc_state = DSC_LOGIN_PEND;
1010                         qla2x00_post_async_login_work(vha, fcport, NULL);
1011                 }
1012
1013                 break;
1014
1015         case DSC_LOGIN_FAILED:
1016                 ql_dbg(ql_dbg_disc, vha, 0x20d0,
1017                     "%s %d %8phC post gidpn\n",
1018                     __func__, __LINE__, fcport->port_name);
1019
1020                 qla24xx_post_gidpn_work(vha, fcport);
1021                 break;
1022
1023         case DSC_LOGIN_COMPLETE:
1024                 /* recheck login state */
1025                 ql_dbg(ql_dbg_disc, vha, 0x20d1,
1026                     "%s %d %8phC post gpdb\n",
1027                     __func__, __LINE__, fcport->port_name);
1028
1029                 qla24xx_post_gpdb_work(vha, fcport, PDO_FORCE_ADISC);
1030                 break;
1031
1032         default:
1033                 break;
1034         }
1035
1036         return 0;
1037 }
1038
1039 static
1040 void qla24xx_handle_rscn_event(fc_port_t *fcport, struct event_arg *ea)
1041 {
1042         fcport->rscn_gen++;
1043
1044         ql_dbg(ql_dbg_disc, fcport->vha, 0x210c,
1045             "%s %8phC DS %d LS %d\n",
1046             __func__, fcport->port_name, fcport->disc_state,
1047             fcport->fw_login_state);
1048
1049         if (fcport->flags & FCF_ASYNC_SENT)
1050                 return;
1051
1052         switch (fcport->disc_state) {
1053         case DSC_DELETED:
1054         case DSC_LOGIN_COMPLETE:
1055                 qla24xx_post_gpnid_work(fcport->vha, &ea->id);
1056                 break;
1057         default:
1058                 break;
1059         }
1060 }
1061
1062 int qla24xx_post_newsess_work(struct scsi_qla_host *vha, port_id_t *id,
1063         u8 *port_name, void *pla)
1064 {
1065         struct qla_work_evt *e;
1066         e = qla2x00_alloc_work(vha, QLA_EVT_NEW_SESS);
1067         if (!e)
1068                 return QLA_FUNCTION_FAILED;
1069
1070         e->u.new_sess.id = *id;
1071         e->u.new_sess.pla = pla;
1072         memcpy(e->u.new_sess.port_name, port_name, WWN_SIZE);
1073
1074         return qla2x00_post_work(vha, e);
1075 }
1076
1077 static
1078 int qla24xx_handle_delete_done_event(scsi_qla_host_t *vha,
1079         struct event_arg *ea)
1080 {
1081         fc_port_t *fcport = ea->fcport;
1082
1083         if (test_bit(UNLOADING, &vha->dpc_flags))
1084                 return 0;
1085
1086         switch (vha->host->active_mode) {
1087         case MODE_INITIATOR:
1088         case MODE_DUAL:
1089                 if (fcport->scan_state == QLA_FCPORT_FOUND)
1090                         qla24xx_fcport_handle_login(vha, fcport);
1091                 break;
1092
1093         case MODE_TARGET:
1094         default:
1095                 /* no-op */
1096                 break;
1097         }
1098
1099         return 0;
1100 }
1101
1102 static
1103 void qla24xx_handle_relogin_event(scsi_qla_host_t *vha,
1104         struct event_arg *ea)
1105 {
1106         fc_port_t *fcport = ea->fcport;
1107
1108         if (fcport->scan_state != QLA_FCPORT_FOUND) {
1109                 fcport->login_retry++;
1110                 return;
1111         }
1112
1113         ql_dbg(ql_dbg_disc, vha, 0x2102,
1114             "%s %8phC DS %d LS %d P %d del %d cnfl %p rscn %d|%d login %d|%d fl %x\n",
1115             __func__, fcport->port_name, fcport->disc_state,
1116             fcport->fw_login_state, fcport->login_pause,
1117             fcport->deleted, fcport->conflict,
1118             fcport->last_rscn_gen, fcport->rscn_gen,
1119             fcport->last_login_gen, fcport->login_gen,
1120             fcport->flags);
1121
1122         if ((fcport->fw_login_state == DSC_LS_PLOGI_PEND) ||
1123             (fcport->fw_login_state == DSC_LS_PRLI_PEND))
1124                 return;
1125
1126         if (fcport->fw_login_state == DSC_LS_PLOGI_COMP) {
1127                 if (time_before_eq(jiffies, fcport->plogi_nack_done_deadline))
1128                         return;
1129         }
1130
1131         if (fcport->flags & FCF_ASYNC_SENT) {
1132                 fcport->login_retry++;
1133                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1134                 return;
1135         }
1136
1137         if (fcport->disc_state == DSC_DELETE_PEND) {
1138                 fcport->login_retry++;
1139                 return;
1140         }
1141
1142         if (fcport->last_rscn_gen != fcport->rscn_gen) {
1143                 ql_dbg(ql_dbg_disc, vha, 0x20e9, "%s %d %8phC post gidpn\n",
1144                     __func__, __LINE__, fcport->port_name);
1145
1146                 qla24xx_post_gidpn_work(vha, fcport);
1147                 return;
1148         }
1149
1150         qla24xx_fcport_handle_login(vha, fcport);
1151 }
1152
1153 void qla2x00_fcport_event_handler(scsi_qla_host_t *vha, struct event_arg *ea)
1154 {
1155         fc_port_t *fcport, *f, *tf;
1156         uint32_t id = 0, mask, rid;
1157         int rc;
1158
1159         switch (ea->event) {
1160         case FCME_RELOGIN:
1161         case FCME_RSCN:
1162         case FCME_GIDPN_DONE:
1163         case FCME_GPSC_DONE:
1164         case FCME_GPNID_DONE:
1165                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) ||
1166                     test_bit(LOOP_RESYNC_ACTIVE, &vha->dpc_flags))
1167                         return;
1168                 break;
1169         default:
1170                 break;
1171         }
1172
1173         switch (ea->event) {
1174         case FCME_RELOGIN:
1175                 if (test_bit(UNLOADING, &vha->dpc_flags))
1176                         return;
1177
1178                 qla24xx_handle_relogin_event(vha, ea);
1179                 break;
1180         case FCME_RSCN:
1181                 if (test_bit(UNLOADING, &vha->dpc_flags))
1182                         return;
1183                 switch (ea->id.b.rsvd_1) {
1184                 case RSCN_PORT_ADDR:
1185                         fcport = qla2x00_find_fcport_by_nportid(vha, &ea->id, 1);
1186                         if (!fcport) {
1187                                 /* cable moved */
1188                                 rc = qla24xx_post_gpnid_work(vha, &ea->id);
1189                                 if (rc) {
1190                                         ql_log(ql_log_warn, vha, 0xd044,
1191                                             "RSCN GPNID work failed %02x%02x%02x\n",
1192                                             ea->id.b.domain, ea->id.b.area,
1193                                             ea->id.b.al_pa);
1194                                 }
1195                         } else {
1196                                 ea->fcport = fcport;
1197                                 qla24xx_handle_rscn_event(fcport, ea);
1198                         }
1199                         break;
1200                 case RSCN_AREA_ADDR:
1201                 case RSCN_DOM_ADDR:
1202                         if (ea->id.b.rsvd_1 == RSCN_AREA_ADDR) {
1203                                 mask = 0xffff00;
1204                                 ql_dbg(ql_dbg_async, vha, 0x5044,
1205                                     "RSCN: Area 0x%06x was affected\n",
1206                                     ea->id.b24);
1207                         } else {
1208                                 mask = 0xff0000;
1209                                 ql_dbg(ql_dbg_async, vha, 0x507a,
1210                                     "RSCN: Domain 0x%06x was affected\n",
1211                                     ea->id.b24);
1212                         }
1213
1214                         rid = ea->id.b24 & mask;
1215                         list_for_each_entry_safe(f, tf, &vha->vp_fcports,
1216                             list) {
1217                                 id = f->d_id.b24 & mask;
1218                                 if (rid == id) {
1219                                         ea->fcport = f;
1220                                         qla24xx_handle_rscn_event(f, ea);
1221                                 }
1222                         }
1223                         break;
1224                 case RSCN_FAB_ADDR:
1225                 default:
1226                         ql_log(ql_log_warn, vha, 0xd045,
1227                             "RSCN: Fabric was affected. Addr format %d\n",
1228                             ea->id.b.rsvd_1);
1229                         qla2x00_mark_all_devices_lost(vha, 1);
1230                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1231                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1232                 }
1233                 break;
1234         case FCME_GIDPN_DONE:
1235                 qla24xx_handle_gidpn_event(vha, ea);
1236                 break;
1237         case FCME_GNL_DONE:
1238                 qla24xx_handle_gnl_done_event(vha, ea);
1239                 break;
1240         case FCME_GPSC_DONE:
1241                 qla24xx_post_upd_fcport_work(vha, ea->fcport);
1242                 break;
1243         case FCME_PLOGI_DONE:   /* Initiator side sent LLIOCB */
1244                 qla24xx_handle_plogi_done_event(vha, ea);
1245                 break;
1246         case FCME_PRLI_DONE:
1247                 qla24xx_handle_prli_done_event(vha, ea);
1248                 break;
1249         case FCME_GPDB_DONE:
1250                 qla24xx_handle_gpdb_event(vha, ea);
1251                 break;
1252         case FCME_GPNID_DONE:
1253                 qla24xx_handle_gpnid_event(vha, ea);
1254                 break;
1255         case FCME_GFFID_DONE:
1256                 qla24xx_handle_gffid_event(vha, ea);
1257                 break;
1258         case FCME_DELETE_DONE:
1259                 qla24xx_handle_delete_done_event(vha, ea);
1260                 break;
1261         default:
1262                 BUG_ON(1);
1263                 break;
1264         }
1265 }
1266
1267 static void
1268 qla2x00_tmf_iocb_timeout(void *data)
1269 {
1270         srb_t *sp = data;
1271         struct srb_iocb *tmf = &sp->u.iocb_cmd;
1272
1273         tmf->u.tmf.comp_status = CS_TIMEOUT;
1274         complete(&tmf->u.tmf.comp);
1275 }
1276
1277 static void
1278 qla2x00_tmf_sp_done(void *ptr, int res)
1279 {
1280         srb_t *sp = ptr;
1281         struct srb_iocb *tmf = &sp->u.iocb_cmd;
1282
1283         complete(&tmf->u.tmf.comp);
1284 }
1285
1286 int
1287 qla2x00_async_tm_cmd(fc_port_t *fcport, uint32_t flags, uint32_t lun,
1288         uint32_t tag)
1289 {
1290         struct scsi_qla_host *vha = fcport->vha;
1291         struct srb_iocb *tm_iocb;
1292         srb_t *sp;
1293         int rval = QLA_FUNCTION_FAILED;
1294
1295         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
1296         if (!sp)
1297                 goto done;
1298
1299         tm_iocb = &sp->u.iocb_cmd;
1300         sp->type = SRB_TM_CMD;
1301         sp->name = "tmf";
1302         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha));
1303         tm_iocb->u.tmf.flags = flags;
1304         tm_iocb->u.tmf.lun = lun;
1305         tm_iocb->u.tmf.data = tag;
1306         sp->done = qla2x00_tmf_sp_done;
1307         tm_iocb->timeout = qla2x00_tmf_iocb_timeout;
1308         init_completion(&tm_iocb->u.tmf.comp);
1309
1310         rval = qla2x00_start_sp(sp);
1311         if (rval != QLA_SUCCESS)
1312                 goto done_free_sp;
1313
1314         ql_dbg(ql_dbg_taskm, vha, 0x802f,
1315             "Async-tmf hdl=%x loop-id=%x portid=%02x%02x%02x.\n",
1316             sp->handle, fcport->loop_id, fcport->d_id.b.domain,
1317             fcport->d_id.b.area, fcport->d_id.b.al_pa);
1318
1319         wait_for_completion(&tm_iocb->u.tmf.comp);
1320
1321         rval = tm_iocb->u.tmf.comp_status == CS_COMPLETE ?
1322             QLA_SUCCESS : QLA_FUNCTION_FAILED;
1323
1324         if ((rval != QLA_SUCCESS) || tm_iocb->u.tmf.data) {
1325                 ql_dbg(ql_dbg_taskm, vha, 0x8030,
1326                     "TM IOCB failed (%x).\n", rval);
1327         }
1328
1329         if (!test_bit(UNLOADING, &vha->dpc_flags) && !IS_QLAFX00(vha->hw)) {
1330                 flags = tm_iocb->u.tmf.flags;
1331                 lun = (uint16_t)tm_iocb->u.tmf.lun;
1332
1333                 /* Issue Marker IOCB */
1334                 qla2x00_marker(vha, vha->hw->req_q_map[0],
1335                     vha->hw->rsp_q_map[0], sp->fcport->loop_id, lun,
1336                     flags == TCF_LUN_RESET ? MK_SYNC_ID_LUN : MK_SYNC_ID);
1337         }
1338
1339 done_free_sp:
1340         sp->free(sp);
1341 done:
1342         return rval;
1343 }
1344
1345 static void
1346 qla24xx_abort_iocb_timeout(void *data)
1347 {
1348         srb_t *sp = data;
1349         struct srb_iocb *abt = &sp->u.iocb_cmd;
1350
1351         abt->u.abt.comp_status = CS_TIMEOUT;
1352         complete(&abt->u.abt.comp);
1353 }
1354
1355 static void
1356 qla24xx_abort_sp_done(void *ptr, int res)
1357 {
1358         srb_t *sp = ptr;
1359         struct srb_iocb *abt = &sp->u.iocb_cmd;
1360
1361         complete(&abt->u.abt.comp);
1362 }
1363
1364 int
1365 qla24xx_async_abort_cmd(srb_t *cmd_sp)
1366 {
1367         scsi_qla_host_t *vha = cmd_sp->vha;
1368         fc_port_t *fcport = cmd_sp->fcport;
1369         struct srb_iocb *abt_iocb;
1370         srb_t *sp;
1371         int rval = QLA_FUNCTION_FAILED;
1372
1373         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
1374         if (!sp)
1375                 goto done;
1376
1377         abt_iocb = &sp->u.iocb_cmd;
1378         sp->type = SRB_ABT_CMD;
1379         sp->name = "abort";
1380         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha));
1381         abt_iocb->u.abt.cmd_hndl = cmd_sp->handle;
1382         sp->done = qla24xx_abort_sp_done;
1383         abt_iocb->timeout = qla24xx_abort_iocb_timeout;
1384         init_completion(&abt_iocb->u.abt.comp);
1385
1386         rval = qla2x00_start_sp(sp);
1387         if (rval != QLA_SUCCESS)
1388                 goto done_free_sp;
1389
1390         ql_dbg(ql_dbg_async, vha, 0x507c,
1391             "Abort command issued - hdl=%x, target_id=%x\n",
1392             cmd_sp->handle, fcport->tgt_id);
1393
1394         wait_for_completion(&abt_iocb->u.abt.comp);
1395
1396         rval = abt_iocb->u.abt.comp_status == CS_COMPLETE ?
1397             QLA_SUCCESS : QLA_FUNCTION_FAILED;
1398
1399 done_free_sp:
1400         sp->free(sp);
1401 done:
1402         return rval;
1403 }
1404
1405 int
1406 qla24xx_async_abort_command(srb_t *sp)
1407 {
1408         unsigned long   flags = 0;
1409
1410         uint32_t        handle;
1411         fc_port_t       *fcport = sp->fcport;
1412         struct scsi_qla_host *vha = fcport->vha;
1413         struct qla_hw_data *ha = vha->hw;
1414         struct req_que *req = vha->req;
1415
1416         spin_lock_irqsave(&ha->hardware_lock, flags);
1417         for (handle = 1; handle < req->num_outstanding_cmds; handle++) {
1418                 if (req->outstanding_cmds[handle] == sp)
1419                         break;
1420         }
1421         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1422         if (handle == req->num_outstanding_cmds) {
1423                 /* Command not found. */
1424                 return QLA_FUNCTION_FAILED;
1425         }
1426         if (sp->type == SRB_FXIOCB_DCMD)
1427                 return qlafx00_fx_disc(vha, &vha->hw->mr.fcport,
1428                     FXDISC_ABORT_IOCTL);
1429
1430         return qla24xx_async_abort_cmd(sp);
1431 }
1432
1433 static void
1434 qla24xx_handle_prli_done_event(struct scsi_qla_host *vha, struct event_arg *ea)
1435 {
1436         switch (ea->data[0]) {
1437         case MBS_COMMAND_COMPLETE:
1438                 ql_dbg(ql_dbg_disc, vha, 0x2118,
1439                     "%s %d %8phC post gpdb\n",
1440                     __func__, __LINE__, ea->fcport->port_name);
1441
1442                 ea->fcport->chip_reset = vha->hw->base_qpair->chip_reset;
1443                 ea->fcport->logout_on_delete = 1;
1444                 qla24xx_post_gpdb_work(vha, ea->fcport, 0);
1445                 break;
1446         default:
1447                 if (ea->fcport->n2n_flag) {
1448                         ql_dbg(ql_dbg_disc, vha, 0x2118,
1449                                 "%s %d %8phC post fc4 prli\n",
1450                                 __func__, __LINE__, ea->fcport->port_name);
1451                         ea->fcport->fc4f_nvme = 0;
1452                         ea->fcport->n2n_flag = 0;
1453                         qla24xx_post_prli_work(vha, ea->fcport);
1454                 }
1455                 ql_dbg(ql_dbg_disc, vha, 0x2119,
1456                     "%s %d %8phC unhandle event of %x\n",
1457                     __func__, __LINE__, ea->fcport->port_name, ea->data[0]);
1458                 break;
1459         }
1460 }
1461
1462 static void
1463 qla24xx_handle_plogi_done_event(struct scsi_qla_host *vha, struct event_arg *ea)
1464 {
1465         port_id_t cid;  /* conflict Nport id */
1466         u16 lid;
1467         struct fc_port *conflict_fcport;
1468
1469         switch (ea->data[0]) {
1470         case MBS_COMMAND_COMPLETE:
1471                 /*
1472                  * Driver must validate login state - If PRLI not complete,
1473                  * force a relogin attempt via implicit LOGO, PLOGI, and PRLI
1474                  * requests.
1475                  */
1476                 if (ea->fcport->fc4f_nvme) {
1477                         ql_dbg(ql_dbg_disc, vha, 0x2117,
1478                                 "%s %d %8phC post prli\n",
1479                                 __func__, __LINE__, ea->fcport->port_name);
1480                         qla24xx_post_prli_work(vha, ea->fcport);
1481                 } else {
1482                         ql_dbg(ql_dbg_disc, vha, 0x20ea,
1483                             "%s %d %8phC LoopID 0x%x in use with %06x. post gnl\n",
1484                             __func__, __LINE__, ea->fcport->port_name,
1485                             ea->fcport->loop_id, ea->fcport->d_id.b24);
1486
1487                         set_bit(ea->fcport->loop_id, vha->hw->loop_id_map);
1488                         ea->fcport->loop_id = FC_NO_LOOP_ID;
1489                         ea->fcport->chip_reset = vha->hw->base_qpair->chip_reset;
1490                         ea->fcport->logout_on_delete = 1;
1491                         ea->fcport->send_els_logo = 0;
1492                         qla24xx_post_gpdb_work(vha, ea->fcport, 0);
1493                 }
1494                 break;
1495         case MBS_COMMAND_ERROR:
1496                 ql_dbg(ql_dbg_disc, vha, 0x20eb, "%s %d %8phC cmd error %x\n",
1497                     __func__, __LINE__, ea->fcport->port_name, ea->data[1]);
1498
1499                 ea->fcport->flags &= ~FCF_ASYNC_SENT;
1500                 ea->fcport->disc_state = DSC_LOGIN_FAILED;
1501                 if (ea->data[1] & QLA_LOGIO_LOGIN_RETRIED)
1502                         set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1503                 else
1504                         qla2x00_mark_device_lost(vha, ea->fcport, 1, 0);
1505                 break;
1506         case MBS_LOOP_ID_USED:
1507                 /* data[1] = IO PARAM 1 = nport ID  */
1508                 cid.b.domain = (ea->iop[1] >> 16) & 0xff;
1509                 cid.b.area   = (ea->iop[1] >>  8) & 0xff;
1510                 cid.b.al_pa  = ea->iop[1] & 0xff;
1511                 cid.b.rsvd_1 = 0;
1512
1513                 ql_dbg(ql_dbg_disc, vha, 0x20ec,
1514                     "%s %d %8phC LoopID 0x%x in use post gnl\n",
1515                     __func__, __LINE__, ea->fcport->port_name,
1516                     ea->fcport->loop_id);
1517
1518                 if (IS_SW_RESV_ADDR(cid)) {
1519                         set_bit(ea->fcport->loop_id, vha->hw->loop_id_map);
1520                         ea->fcport->loop_id = FC_NO_LOOP_ID;
1521                 } else {
1522                         qla2x00_clear_loop_id(ea->fcport);
1523                 }
1524                 qla24xx_post_gnl_work(vha, ea->fcport);
1525                 break;
1526         case MBS_PORT_ID_USED:
1527                 ql_dbg(ql_dbg_disc, vha, 0x20ed,
1528                     "%s %d %8phC NPortId %02x%02x%02x inuse post gidpn\n",
1529                     __func__, __LINE__, ea->fcport->port_name,
1530                     ea->fcport->d_id.b.domain, ea->fcport->d_id.b.area,
1531                     ea->fcport->d_id.b.al_pa);
1532
1533                 lid = ea->iop[1] & 0xffff;
1534                 qlt_find_sess_invalidate_other(vha,
1535                     wwn_to_u64(ea->fcport->port_name),
1536                     ea->fcport->d_id, lid, &conflict_fcport);
1537
1538                 if (conflict_fcport) {
1539                         /*
1540                          * Another fcport share the same loop_id/nport id.
1541                          * Conflict fcport needs to finish cleanup before this
1542                          * fcport can proceed to login.
1543                          */
1544                         conflict_fcport->conflict = ea->fcport;
1545                         ea->fcport->login_pause = 1;
1546
1547                         ql_dbg(ql_dbg_disc, vha, 0x20ed,
1548                             "%s %d %8phC NPortId %06x inuse with loopid 0x%x. post gidpn\n",
1549                             __func__, __LINE__, ea->fcport->port_name,
1550                             ea->fcport->d_id.b24, lid);
1551                         qla2x00_clear_loop_id(ea->fcport);
1552                         qla24xx_post_gidpn_work(vha, ea->fcport);
1553                 } else {
1554                         ql_dbg(ql_dbg_disc, vha, 0x20ed,
1555                             "%s %d %8phC NPortId %06x inuse with loopid 0x%x. sched delete\n",
1556                             __func__, __LINE__, ea->fcport->port_name,
1557                             ea->fcport->d_id.b24, lid);
1558
1559                         qla2x00_clear_loop_id(ea->fcport);
1560                         set_bit(lid, vha->hw->loop_id_map);
1561                         ea->fcport->loop_id = lid;
1562                         ea->fcport->keep_nport_handle = 0;
1563                         qlt_schedule_sess_for_deletion(ea->fcport, false);
1564                 }
1565                 break;
1566         }
1567         return;
1568 }
1569
1570 void
1571 qla2x00_async_logout_done(struct scsi_qla_host *vha, fc_port_t *fcport,
1572     uint16_t *data)
1573 {
1574         qla2x00_mark_device_lost(vha, fcport, 1, 0);
1575         qlt_logo_completion_handler(fcport, data[0]);
1576         fcport->login_gen++;
1577         return;
1578 }
1579
1580 void
1581 qla2x00_async_adisc_done(struct scsi_qla_host *vha, fc_port_t *fcport,
1582     uint16_t *data)
1583 {
1584         if (data[0] == MBS_COMMAND_COMPLETE) {
1585                 qla2x00_update_fcport(vha, fcport);
1586
1587                 return;
1588         }
1589
1590         /* Retry login. */
1591         fcport->flags &= ~FCF_ASYNC_SENT;
1592         if (data[1] & QLA_LOGIO_LOGIN_RETRIED)
1593                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
1594         else
1595                 qla2x00_mark_device_lost(vha, fcport, 1, 0);
1596
1597         return;
1598 }
1599
1600 /****************************************************************************/
1601 /*                QLogic ISP2x00 Hardware Support Functions.                */
1602 /****************************************************************************/
1603
1604 static int
1605 qla83xx_nic_core_fw_load(scsi_qla_host_t *vha)
1606 {
1607         int rval = QLA_SUCCESS;
1608         struct qla_hw_data *ha = vha->hw;
1609         uint32_t idc_major_ver, idc_minor_ver;
1610         uint16_t config[4];
1611
1612         qla83xx_idc_lock(vha, 0);
1613
1614         /* SV: TODO: Assign initialization timeout from
1615          * flash-info / other param
1616          */
1617         ha->fcoe_dev_init_timeout = QLA83XX_IDC_INITIALIZATION_TIMEOUT;
1618         ha->fcoe_reset_timeout = QLA83XX_IDC_RESET_ACK_TIMEOUT;
1619
1620         /* Set our fcoe function presence */
1621         if (__qla83xx_set_drv_presence(vha) != QLA_SUCCESS) {
1622                 ql_dbg(ql_dbg_p3p, vha, 0xb077,
1623                     "Error while setting DRV-Presence.\n");
1624                 rval = QLA_FUNCTION_FAILED;
1625                 goto exit;
1626         }
1627
1628         /* Decide the reset ownership */
1629         qla83xx_reset_ownership(vha);
1630
1631         /*
1632          * On first protocol driver load:
1633          * Init-Owner: Set IDC-Major-Version and Clear IDC-Lock-Recovery
1634          * register.
1635          * Others: Check compatibility with current IDC Major version.
1636          */
1637         qla83xx_rd_reg(vha, QLA83XX_IDC_MAJOR_VERSION, &idc_major_ver);
1638         if (ha->flags.nic_core_reset_owner) {
1639                 /* Set IDC Major version */
1640                 idc_major_ver = QLA83XX_SUPP_IDC_MAJOR_VERSION;
1641                 qla83xx_wr_reg(vha, QLA83XX_IDC_MAJOR_VERSION, idc_major_ver);
1642
1643                 /* Clearing IDC-Lock-Recovery register */
1644                 qla83xx_wr_reg(vha, QLA83XX_IDC_LOCK_RECOVERY, 0);
1645         } else if (idc_major_ver != QLA83XX_SUPP_IDC_MAJOR_VERSION) {
1646                 /*
1647                  * Clear further IDC participation if we are not compatible with
1648                  * the current IDC Major Version.
1649                  */
1650                 ql_log(ql_log_warn, vha, 0xb07d,
1651                     "Failing load, idc_major_ver=%d, expected_major_ver=%d.\n",
1652                     idc_major_ver, QLA83XX_SUPP_IDC_MAJOR_VERSION);
1653                 __qla83xx_clear_drv_presence(vha);
1654                 rval = QLA_FUNCTION_FAILED;
1655                 goto exit;
1656         }
1657         /* Each function sets its supported Minor version. */
1658         qla83xx_rd_reg(vha, QLA83XX_IDC_MINOR_VERSION, &idc_minor_ver);
1659         idc_minor_ver |= (QLA83XX_SUPP_IDC_MINOR_VERSION << (ha->portnum * 2));
1660         qla83xx_wr_reg(vha, QLA83XX_IDC_MINOR_VERSION, idc_minor_ver);
1661
1662         if (ha->flags.nic_core_reset_owner) {
1663                 memset(config, 0, sizeof(config));
1664                 if (!qla81xx_get_port_config(vha, config))
1665                         qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
1666                             QLA8XXX_DEV_READY);
1667         }
1668
1669         rval = qla83xx_idc_state_handler(vha);
1670
1671 exit:
1672         qla83xx_idc_unlock(vha, 0);
1673
1674         return rval;
1675 }
1676
1677 /*
1678 * qla2x00_initialize_adapter
1679 *      Initialize board.
1680 *
1681 * Input:
1682 *      ha = adapter block pointer.
1683 *
1684 * Returns:
1685 *      0 = success
1686 */
1687 int
1688 qla2x00_initialize_adapter(scsi_qla_host_t *vha)
1689 {
1690         int     rval;
1691         struct qla_hw_data *ha = vha->hw;
1692         struct req_que *req = ha->req_q_map[0];
1693
1694         memset(&vha->qla_stats, 0, sizeof(vha->qla_stats));
1695         memset(&vha->fc_host_stat, 0, sizeof(vha->fc_host_stat));
1696
1697         /* Clear adapter flags. */
1698         vha->flags.online = 0;
1699         ha->flags.chip_reset_done = 0;
1700         vha->flags.reset_active = 0;
1701         ha->flags.pci_channel_io_perm_failure = 0;
1702         ha->flags.eeh_busy = 0;
1703         vha->qla_stats.jiffies_at_last_reset = get_jiffies_64();
1704         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
1705         atomic_set(&vha->loop_state, LOOP_DOWN);
1706         vha->device_flags = DFLG_NO_CABLE;
1707         vha->dpc_flags = 0;
1708         vha->flags.management_server_logged_in = 0;
1709         vha->marker_needed = 0;
1710         ha->isp_abort_cnt = 0;
1711         ha->beacon_blink_led = 0;
1712
1713         set_bit(0, ha->req_qid_map);
1714         set_bit(0, ha->rsp_qid_map);
1715
1716         ql_dbg(ql_dbg_init, vha, 0x0040,
1717             "Configuring PCI space...\n");
1718         rval = ha->isp_ops->pci_config(vha);
1719         if (rval) {
1720                 ql_log(ql_log_warn, vha, 0x0044,
1721                     "Unable to configure PCI space.\n");
1722                 return (rval);
1723         }
1724
1725         ha->isp_ops->reset_chip(vha);
1726
1727         rval = qla2xxx_get_flash_info(vha);
1728         if (rval) {
1729                 ql_log(ql_log_fatal, vha, 0x004f,
1730                     "Unable to validate FLASH data.\n");
1731                 return rval;
1732         }
1733
1734         if (IS_QLA8044(ha)) {
1735                 qla8044_read_reset_template(vha);
1736
1737                 /* NOTE: If ql2xdontresethba==1, set IDC_CTRL DONTRESET_BIT0.
1738                  * If DONRESET_BIT0 is set, drivers should not set dev_state
1739                  * to NEED_RESET. But if NEED_RESET is set, drivers should
1740                  * should honor the reset. */
1741                 if (ql2xdontresethba == 1)
1742                         qla8044_set_idc_dontreset(vha);
1743         }
1744
1745         ha->isp_ops->get_flash_version(vha, req->ring);
1746         ql_dbg(ql_dbg_init, vha, 0x0061,
1747             "Configure NVRAM parameters...\n");
1748
1749         ha->isp_ops->nvram_config(vha);
1750
1751         if (ha->flags.disable_serdes) {
1752                 /* Mask HBA via NVRAM settings? */
1753                 ql_log(ql_log_info, vha, 0x0077,
1754                     "Masking HBA WWPN %8phN (via NVRAM).\n", vha->port_name);
1755                 return QLA_FUNCTION_FAILED;
1756         }
1757
1758         ql_dbg(ql_dbg_init, vha, 0x0078,
1759             "Verifying loaded RISC code...\n");
1760
1761         if (qla2x00_isp_firmware(vha) != QLA_SUCCESS) {
1762                 rval = ha->isp_ops->chip_diag(vha);
1763                 if (rval)
1764                         return (rval);
1765                 rval = qla2x00_setup_chip(vha);
1766                 if (rval)
1767                         return (rval);
1768         }
1769
1770         if (IS_QLA84XX(ha)) {
1771                 ha->cs84xx = qla84xx_get_chip(vha);
1772                 if (!ha->cs84xx) {
1773                         ql_log(ql_log_warn, vha, 0x00d0,
1774                             "Unable to configure ISP84XX.\n");
1775                         return QLA_FUNCTION_FAILED;
1776                 }
1777         }
1778
1779         if (qla_ini_mode_enabled(vha) || qla_dual_mode_enabled(vha))
1780                 rval = qla2x00_init_rings(vha);
1781
1782         ha->flags.chip_reset_done = 1;
1783
1784         if (rval == QLA_SUCCESS && IS_QLA84XX(ha)) {
1785                 /* Issue verify 84xx FW IOCB to complete 84xx initialization */
1786                 rval = qla84xx_init_chip(vha);
1787                 if (rval != QLA_SUCCESS) {
1788                         ql_log(ql_log_warn, vha, 0x00d4,
1789                             "Unable to initialize ISP84XX.\n");
1790                         qla84xx_put_chip(vha);
1791                 }
1792         }
1793
1794         /* Load the NIC Core f/w if we are the first protocol driver. */
1795         if (IS_QLA8031(ha)) {
1796                 rval = qla83xx_nic_core_fw_load(vha);
1797                 if (rval)
1798                         ql_log(ql_log_warn, vha, 0x0124,
1799                             "Error in initializing NIC Core f/w.\n");
1800         }
1801
1802         if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha))
1803                 qla24xx_read_fcp_prio_cfg(vha);
1804
1805         if (IS_P3P_TYPE(ha))
1806                 qla82xx_set_driver_version(vha, QLA2XXX_VERSION);
1807         else
1808                 qla25xx_set_driver_version(vha, QLA2XXX_VERSION);
1809
1810         return (rval);
1811 }
1812
1813 /**
1814  * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
1815  * @ha: HA context
1816  *
1817  * Returns 0 on success.
1818  */
1819 int
1820 qla2100_pci_config(scsi_qla_host_t *vha)
1821 {
1822         uint16_t w;
1823         unsigned long flags;
1824         struct qla_hw_data *ha = vha->hw;
1825         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1826
1827         pci_set_master(ha->pdev);
1828         pci_try_set_mwi(ha->pdev);
1829
1830         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
1831         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
1832         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
1833
1834         pci_disable_rom(ha->pdev);
1835
1836         /* Get PCI bus information. */
1837         spin_lock_irqsave(&ha->hardware_lock, flags);
1838         ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
1839         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1840
1841         return QLA_SUCCESS;
1842 }
1843
1844 /**
1845  * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
1846  * @ha: HA context
1847  *
1848  * Returns 0 on success.
1849  */
1850 int
1851 qla2300_pci_config(scsi_qla_host_t *vha)
1852 {
1853         uint16_t        w;
1854         unsigned long   flags = 0;
1855         uint32_t        cnt;
1856         struct qla_hw_data *ha = vha->hw;
1857         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1858
1859         pci_set_master(ha->pdev);
1860         pci_try_set_mwi(ha->pdev);
1861
1862         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
1863         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
1864
1865         if (IS_QLA2322(ha) || IS_QLA6322(ha))
1866                 w &= ~PCI_COMMAND_INTX_DISABLE;
1867         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
1868
1869         /*
1870          * If this is a 2300 card and not 2312, reset the
1871          * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
1872          * the 2310 also reports itself as a 2300 so we need to get the
1873          * fb revision level -- a 6 indicates it really is a 2300 and
1874          * not a 2310.
1875          */
1876         if (IS_QLA2300(ha)) {
1877                 spin_lock_irqsave(&ha->hardware_lock, flags);
1878
1879                 /* Pause RISC. */
1880                 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
1881                 for (cnt = 0; cnt < 30000; cnt++) {
1882                         if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
1883                                 break;
1884
1885                         udelay(10);
1886                 }
1887
1888                 /* Select FPM registers. */
1889                 WRT_REG_WORD(&reg->ctrl_status, 0x20);
1890                 RD_REG_WORD(&reg->ctrl_status);
1891
1892                 /* Get the fb rev level */
1893                 ha->fb_rev = RD_FB_CMD_REG(ha, reg);
1894
1895                 if (ha->fb_rev == FPM_2300)
1896                         pci_clear_mwi(ha->pdev);
1897
1898                 /* Deselect FPM registers. */
1899                 WRT_REG_WORD(&reg->ctrl_status, 0x0);
1900                 RD_REG_WORD(&reg->ctrl_status);
1901
1902                 /* Release RISC module. */
1903                 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
1904                 for (cnt = 0; cnt < 30000; cnt++) {
1905                         if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
1906                                 break;
1907
1908                         udelay(10);
1909                 }
1910
1911                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1912         }
1913
1914         pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
1915
1916         pci_disable_rom(ha->pdev);
1917
1918         /* Get PCI bus information. */
1919         spin_lock_irqsave(&ha->hardware_lock, flags);
1920         ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
1921         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1922
1923         return QLA_SUCCESS;
1924 }
1925
1926 /**
1927  * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
1928  * @ha: HA context
1929  *
1930  * Returns 0 on success.
1931  */
1932 int
1933 qla24xx_pci_config(scsi_qla_host_t *vha)
1934 {
1935         uint16_t w;
1936         unsigned long flags = 0;
1937         struct qla_hw_data *ha = vha->hw;
1938         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1939
1940         pci_set_master(ha->pdev);
1941         pci_try_set_mwi(ha->pdev);
1942
1943         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
1944         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
1945         w &= ~PCI_COMMAND_INTX_DISABLE;
1946         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
1947
1948         pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
1949
1950         /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
1951         if (pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX))
1952                 pcix_set_mmrbc(ha->pdev, 2048);
1953
1954         /* PCIe -- adjust Maximum Read Request Size (2048). */
1955         if (pci_is_pcie(ha->pdev))
1956                 pcie_set_readrq(ha->pdev, 4096);
1957
1958         pci_disable_rom(ha->pdev);
1959
1960         ha->chip_revision = ha->pdev->revision;
1961
1962         /* Get PCI bus information. */
1963         spin_lock_irqsave(&ha->hardware_lock, flags);
1964         ha->pci_attr = RD_REG_DWORD(&reg->ctrl_status);
1965         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1966
1967         return QLA_SUCCESS;
1968 }
1969
1970 /**
1971  * qla25xx_pci_config() - Setup ISP25xx PCI configuration registers.
1972  * @ha: HA context
1973  *
1974  * Returns 0 on success.
1975  */
1976 int
1977 qla25xx_pci_config(scsi_qla_host_t *vha)
1978 {
1979         uint16_t w;
1980         struct qla_hw_data *ha = vha->hw;
1981
1982         pci_set_master(ha->pdev);
1983         pci_try_set_mwi(ha->pdev);
1984
1985         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
1986         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
1987         w &= ~PCI_COMMAND_INTX_DISABLE;
1988         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
1989
1990         /* PCIe -- adjust Maximum Read Request Size (2048). */
1991         if (pci_is_pcie(ha->pdev))
1992                 pcie_set_readrq(ha->pdev, 4096);
1993
1994         pci_disable_rom(ha->pdev);
1995
1996         ha->chip_revision = ha->pdev->revision;
1997
1998         return QLA_SUCCESS;
1999 }
2000
2001 /**
2002  * qla2x00_isp_firmware() - Choose firmware image.
2003  * @ha: HA context
2004  *
2005  * Returns 0 on success.
2006  */
2007 static int
2008 qla2x00_isp_firmware(scsi_qla_host_t *vha)
2009 {
2010         int  rval;
2011         uint16_t loop_id, topo, sw_cap;
2012         uint8_t domain, area, al_pa;
2013         struct qla_hw_data *ha = vha->hw;
2014
2015         /* Assume loading risc code */
2016         rval = QLA_FUNCTION_FAILED;
2017
2018         if (ha->flags.disable_risc_code_load) {
2019                 ql_log(ql_log_info, vha, 0x0079, "RISC CODE NOT loaded.\n");
2020
2021                 /* Verify checksum of loaded RISC code. */
2022                 rval = qla2x00_verify_checksum(vha, ha->fw_srisc_address);
2023                 if (rval == QLA_SUCCESS) {
2024                         /* And, verify we are not in ROM code. */
2025                         rval = qla2x00_get_adapter_id(vha, &loop_id, &al_pa,
2026                             &area, &domain, &topo, &sw_cap);
2027                 }
2028         }
2029
2030         if (rval)
2031                 ql_dbg(ql_dbg_init, vha, 0x007a,
2032                     "**** Load RISC code ****.\n");
2033
2034         return (rval);
2035 }
2036
2037 /**
2038  * qla2x00_reset_chip() - Reset ISP chip.
2039  * @ha: HA context
2040  *
2041  * Returns 0 on success.
2042  */
2043 void
2044 qla2x00_reset_chip(scsi_qla_host_t *vha)
2045 {
2046         unsigned long   flags = 0;
2047         struct qla_hw_data *ha = vha->hw;
2048         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2049         uint32_t        cnt;
2050         uint16_t        cmd;
2051
2052         if (unlikely(pci_channel_offline(ha->pdev)))
2053                 return;
2054
2055         ha->isp_ops->disable_intrs(ha);
2056
2057         spin_lock_irqsave(&ha->hardware_lock, flags);
2058
2059         /* Turn off master enable */
2060         cmd = 0;
2061         pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
2062         cmd &= ~PCI_COMMAND_MASTER;
2063         pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
2064
2065         if (!IS_QLA2100(ha)) {
2066                 /* Pause RISC. */
2067                 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
2068                 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
2069                         for (cnt = 0; cnt < 30000; cnt++) {
2070                                 if ((RD_REG_WORD(&reg->hccr) &
2071                                     HCCR_RISC_PAUSE) != 0)
2072                                         break;
2073                                 udelay(100);
2074                         }
2075                 } else {
2076                         RD_REG_WORD(&reg->hccr);        /* PCI Posting. */
2077                         udelay(10);
2078                 }
2079
2080                 /* Select FPM registers. */
2081                 WRT_REG_WORD(&reg->ctrl_status, 0x20);
2082                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
2083
2084                 /* FPM Soft Reset. */
2085                 WRT_REG_WORD(&reg->fpm_diag_config, 0x100);
2086                 RD_REG_WORD(&reg->fpm_diag_config);     /* PCI Posting. */
2087
2088                 /* Toggle Fpm Reset. */
2089                 if (!IS_QLA2200(ha)) {
2090                         WRT_REG_WORD(&reg->fpm_diag_config, 0x0);
2091                         RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
2092                 }
2093
2094                 /* Select frame buffer registers. */
2095                 WRT_REG_WORD(&reg->ctrl_status, 0x10);
2096                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
2097
2098                 /* Reset frame buffer FIFOs. */
2099                 if (IS_QLA2200(ha)) {
2100                         WRT_FB_CMD_REG(ha, reg, 0xa000);
2101                         RD_FB_CMD_REG(ha, reg);         /* PCI Posting. */
2102                 } else {
2103                         WRT_FB_CMD_REG(ha, reg, 0x00fc);
2104
2105                         /* Read back fb_cmd until zero or 3 seconds max */
2106                         for (cnt = 0; cnt < 3000; cnt++) {
2107                                 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
2108                                         break;
2109                                 udelay(100);
2110                         }
2111                 }
2112
2113                 /* Select RISC module registers. */
2114                 WRT_REG_WORD(&reg->ctrl_status, 0);
2115                 RD_REG_WORD(&reg->ctrl_status);         /* PCI Posting. */
2116
2117                 /* Reset RISC processor. */
2118                 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
2119                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
2120
2121                 /* Release RISC processor. */
2122                 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
2123                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
2124         }
2125
2126         WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
2127         WRT_REG_WORD(&reg->hccr, HCCR_CLR_HOST_INT);
2128
2129         /* Reset ISP chip. */
2130         WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
2131
2132         /* Wait for RISC to recover from reset. */
2133         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
2134                 /*
2135                  * It is necessary to for a delay here since the card doesn't
2136                  * respond to PCI reads during a reset. On some architectures
2137                  * this will result in an MCA.
2138                  */
2139                 udelay(20);
2140                 for (cnt = 30000; cnt; cnt--) {
2141                         if ((RD_REG_WORD(&reg->ctrl_status) &
2142                             CSR_ISP_SOFT_RESET) == 0)
2143                                 break;
2144                         udelay(100);
2145                 }
2146         } else
2147                 udelay(10);
2148
2149         /* Reset RISC processor. */
2150         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
2151
2152         WRT_REG_WORD(&reg->semaphore, 0);
2153
2154         /* Release RISC processor. */
2155         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
2156         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
2157
2158         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
2159                 for (cnt = 0; cnt < 30000; cnt++) {
2160                         if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY)
2161                                 break;
2162
2163                         udelay(100);
2164                 }
2165         } else
2166                 udelay(100);
2167
2168         /* Turn on master enable */
2169         cmd |= PCI_COMMAND_MASTER;
2170         pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
2171
2172         /* Disable RISC pause on FPM parity error. */
2173         if (!IS_QLA2100(ha)) {
2174                 WRT_REG_WORD(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
2175                 RD_REG_WORD(&reg->hccr);                /* PCI Posting. */
2176         }
2177
2178         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2179 }
2180
2181 /**
2182  * qla81xx_reset_mpi() - Reset's MPI FW via Write MPI Register MBC.
2183  *
2184  * Returns 0 on success.
2185  */
2186 static int
2187 qla81xx_reset_mpi(scsi_qla_host_t *vha)
2188 {
2189         uint16_t mb[4] = {0x1010, 0, 1, 0};
2190
2191         if (!IS_QLA81XX(vha->hw))
2192                 return QLA_SUCCESS;
2193
2194         return qla81xx_write_mpi_register(vha, mb);
2195 }
2196
2197 /**
2198  * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
2199  * @ha: HA context
2200  *
2201  * Returns 0 on success.
2202  */
2203 static inline int
2204 qla24xx_reset_risc(scsi_qla_host_t *vha)
2205 {
2206         unsigned long flags = 0;
2207         struct qla_hw_data *ha = vha->hw;
2208         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2209         uint32_t cnt;
2210         uint16_t wd;
2211         static int abts_cnt; /* ISP abort retry counts */
2212         int rval = QLA_SUCCESS;
2213
2214         spin_lock_irqsave(&ha->hardware_lock, flags);
2215
2216         /* Reset RISC. */
2217         WRT_REG_DWORD(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
2218         for (cnt = 0; cnt < 30000; cnt++) {
2219                 if ((RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
2220                         break;
2221
2222                 udelay(10);
2223         }
2224
2225         if (!(RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE))
2226                 set_bit(DMA_SHUTDOWN_CMPL, &ha->fw_dump_cap_flags);
2227
2228         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x017e,
2229             "HCCR: 0x%x, Control Status %x, DMA active status:0x%x\n",
2230             RD_REG_DWORD(&reg->hccr),
2231             RD_REG_DWORD(&reg->ctrl_status),
2232             (RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE));
2233
2234         WRT_REG_DWORD(&reg->ctrl_status,
2235             CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
2236         pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
2237
2238         udelay(100);
2239
2240         /* Wait for firmware to complete NVRAM accesses. */
2241         RD_REG_WORD(&reg->mailbox0);
2242         for (cnt = 10000; RD_REG_WORD(&reg->mailbox0) != 0 &&
2243             rval == QLA_SUCCESS; cnt--) {
2244                 barrier();
2245                 if (cnt)
2246                         udelay(5);
2247                 else
2248                         rval = QLA_FUNCTION_TIMEOUT;
2249         }
2250
2251         if (rval == QLA_SUCCESS)
2252                 set_bit(ISP_MBX_RDY, &ha->fw_dump_cap_flags);
2253
2254         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x017f,
2255             "HCCR: 0x%x, MailBox0 Status 0x%x\n",
2256             RD_REG_DWORD(&reg->hccr),
2257             RD_REG_DWORD(&reg->mailbox0));
2258
2259         /* Wait for soft-reset to complete. */
2260         RD_REG_DWORD(&reg->ctrl_status);
2261         for (cnt = 0; cnt < 60; cnt++) {
2262                 barrier();
2263                 if ((RD_REG_DWORD(&reg->ctrl_status) &
2264                     CSRX_ISP_SOFT_RESET) == 0)
2265                         break;
2266
2267                 udelay(5);
2268         }
2269         if (!(RD_REG_DWORD(&reg->ctrl_status) & CSRX_ISP_SOFT_RESET))
2270                 set_bit(ISP_SOFT_RESET_CMPL, &ha->fw_dump_cap_flags);
2271
2272         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015d,
2273             "HCCR: 0x%x, Soft Reset status: 0x%x\n",
2274             RD_REG_DWORD(&reg->hccr),
2275             RD_REG_DWORD(&reg->ctrl_status));
2276
2277         /* If required, do an MPI FW reset now */
2278         if (test_and_clear_bit(MPI_RESET_NEEDED, &vha->dpc_flags)) {
2279                 if (qla81xx_reset_mpi(vha) != QLA_SUCCESS) {
2280                         if (++abts_cnt < 5) {
2281                                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2282                                 set_bit(MPI_RESET_NEEDED, &vha->dpc_flags);
2283                         } else {
2284                                 /*
2285                                  * We exhausted the ISP abort retries. We have to
2286                                  * set the board offline.
2287                                  */
2288                                 abts_cnt = 0;
2289                                 vha->flags.online = 0;
2290                         }
2291                 }
2292         }
2293
2294         WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
2295         RD_REG_DWORD(&reg->hccr);
2296
2297         WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
2298         RD_REG_DWORD(&reg->hccr);
2299
2300         WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
2301         RD_REG_DWORD(&reg->hccr);
2302
2303         RD_REG_WORD(&reg->mailbox0);
2304         for (cnt = 60; RD_REG_WORD(&reg->mailbox0) != 0 &&
2305             rval == QLA_SUCCESS; cnt--) {
2306                 barrier();
2307                 if (cnt)
2308                         udelay(5);
2309                 else
2310                         rval = QLA_FUNCTION_TIMEOUT;
2311         }
2312         if (rval == QLA_SUCCESS)
2313                 set_bit(RISC_RDY_AFT_RESET, &ha->fw_dump_cap_flags);
2314
2315         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015e,
2316             "Host Risc 0x%x, mailbox0 0x%x\n",
2317             RD_REG_DWORD(&reg->hccr),
2318              RD_REG_WORD(&reg->mailbox0));
2319
2320         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2321
2322         ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x015f,
2323             "Driver in %s mode\n",
2324             IS_NOPOLLING_TYPE(ha) ? "Interrupt" : "Polling");
2325
2326         if (IS_NOPOLLING_TYPE(ha))
2327                 ha->isp_ops->enable_intrs(ha);
2328
2329         return rval;
2330 }
2331
2332 static void
2333 qla25xx_read_risc_sema_reg(scsi_qla_host_t *vha, uint32_t *data)
2334 {
2335         struct device_reg_24xx __iomem *reg = &vha->hw->iobase->isp24;
2336
2337         WRT_REG_DWORD(&reg->iobase_addr, RISC_REGISTER_BASE_OFFSET);
2338         *data = RD_REG_DWORD(&reg->iobase_window + RISC_REGISTER_WINDOW_OFFET);
2339
2340 }
2341
2342 static void
2343 qla25xx_write_risc_sema_reg(scsi_qla_host_t *vha, uint32_t data)
2344 {
2345         struct device_reg_24xx __iomem *reg = &vha->hw->iobase->isp24;
2346
2347         WRT_REG_DWORD(&reg->iobase_addr, RISC_REGISTER_BASE_OFFSET);
2348         WRT_REG_DWORD(&reg->iobase_window + RISC_REGISTER_WINDOW_OFFET, data);
2349 }
2350
2351 static void
2352 qla25xx_manipulate_risc_semaphore(scsi_qla_host_t *vha)
2353 {
2354         uint32_t wd32 = 0;
2355         uint delta_msec = 100;
2356         uint elapsed_msec = 0;
2357         uint timeout_msec;
2358         ulong n;
2359
2360         if (vha->hw->pdev->subsystem_device != 0x0175 &&
2361             vha->hw->pdev->subsystem_device != 0x0240)
2362                 return;
2363
2364         WRT_REG_DWORD(&vha->hw->iobase->isp24.hccr, HCCRX_SET_RISC_PAUSE);
2365         udelay(100);
2366
2367 attempt:
2368         timeout_msec = TIMEOUT_SEMAPHORE;
2369         n = timeout_msec / delta_msec;
2370         while (n--) {
2371                 qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_SET);
2372                 qla25xx_read_risc_sema_reg(vha, &wd32);
2373                 if (wd32 & RISC_SEMAPHORE)
2374                         break;
2375                 msleep(delta_msec);
2376                 elapsed_msec += delta_msec;
2377                 if (elapsed_msec > TIMEOUT_TOTAL_ELAPSED)
2378                         goto force;
2379         }
2380
2381         if (!(wd32 & RISC_SEMAPHORE))
2382                 goto force;
2383
2384         if (!(wd32 & RISC_SEMAPHORE_FORCE))
2385                 goto acquired;
2386
2387         qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_CLR);
2388         timeout_msec = TIMEOUT_SEMAPHORE_FORCE;
2389         n = timeout_msec / delta_msec;
2390         while (n--) {
2391                 qla25xx_read_risc_sema_reg(vha, &wd32);
2392                 if (!(wd32 & RISC_SEMAPHORE_FORCE))
2393                         break;
2394                 msleep(delta_msec);
2395                 elapsed_msec += delta_msec;
2396                 if (elapsed_msec > TIMEOUT_TOTAL_ELAPSED)
2397                         goto force;
2398         }
2399
2400         if (wd32 & RISC_SEMAPHORE_FORCE)
2401                 qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_FORCE_CLR);
2402
2403         goto attempt;
2404
2405 force:
2406         qla25xx_write_risc_sema_reg(vha, RISC_SEMAPHORE_FORCE_SET);
2407
2408 acquired:
2409         return;
2410 }
2411
2412 /**
2413  * qla24xx_reset_chip() - Reset ISP24xx chip.
2414  * @ha: HA context
2415  *
2416  * Returns 0 on success.
2417  */
2418 void
2419 qla24xx_reset_chip(scsi_qla_host_t *vha)
2420 {
2421         struct qla_hw_data *ha = vha->hw;
2422
2423         if (pci_channel_offline(ha->pdev) &&
2424             ha->flags.pci_channel_io_perm_failure) {
2425                 return;
2426         }
2427
2428         ha->isp_ops->disable_intrs(ha);
2429
2430         qla25xx_manipulate_risc_semaphore(vha);
2431
2432         /* Perform RISC reset. */
2433         qla24xx_reset_risc(vha);
2434 }
2435
2436 /**
2437  * qla2x00_chip_diag() - Test chip for proper operation.
2438  * @ha: HA context
2439  *
2440  * Returns 0 on success.
2441  */
2442 int
2443 qla2x00_chip_diag(scsi_qla_host_t *vha)
2444 {
2445         int             rval;
2446         struct qla_hw_data *ha = vha->hw;
2447         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2448         unsigned long   flags = 0;
2449         uint16_t        data;
2450         uint32_t        cnt;
2451         uint16_t        mb[5];
2452         struct req_que *req = ha->req_q_map[0];
2453
2454         /* Assume a failed state */
2455         rval = QLA_FUNCTION_FAILED;
2456
2457         ql_dbg(ql_dbg_init, vha, 0x007b,
2458             "Testing device at %lx.\n", (u_long)&reg->flash_address);
2459
2460         spin_lock_irqsave(&ha->hardware_lock, flags);
2461
2462         /* Reset ISP chip. */
2463         WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
2464
2465         /*
2466          * We need to have a delay here since the card will not respond while
2467          * in reset causing an MCA on some architectures.
2468          */
2469         udelay(20);
2470         data = qla2x00_debounce_register(&reg->ctrl_status);
2471         for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
2472                 udelay(5);
2473                 data = RD_REG_WORD(&reg->ctrl_status);
2474                 barrier();
2475         }
2476
2477         if (!cnt)
2478                 goto chip_diag_failed;
2479
2480         ql_dbg(ql_dbg_init, vha, 0x007c,
2481             "Reset register cleared by chip reset.\n");
2482
2483         /* Reset RISC processor. */
2484         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
2485         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
2486
2487         /* Workaround for QLA2312 PCI parity error */
2488         if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
2489                 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
2490                 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
2491                         udelay(5);
2492                         data = RD_MAILBOX_REG(ha, reg, 0);
2493                         barrier();
2494                 }
2495         } else
2496                 udelay(10);
2497
2498         if (!cnt)
2499                 goto chip_diag_failed;
2500
2501         /* Check product ID of chip */
2502         ql_dbg(ql_dbg_init, vha, 0x007d, "Checking product ID of chip.\n");
2503
2504         mb[1] = RD_MAILBOX_REG(ha, reg, 1);
2505         mb[2] = RD_MAILBOX_REG(ha, reg, 2);
2506         mb[3] = RD_MAILBOX_REG(ha, reg, 3);
2507         mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
2508         if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
2509             mb[3] != PROD_ID_3) {
2510                 ql_log(ql_log_warn, vha, 0x0062,
2511                     "Wrong product ID = 0x%x,0x%x,0x%x.\n",
2512                     mb[1], mb[2], mb[3]);
2513
2514                 goto chip_diag_failed;
2515         }
2516         ha->product_id[0] = mb[1];
2517         ha->product_id[1] = mb[2];
2518         ha->product_id[2] = mb[3];
2519         ha->product_id[3] = mb[4];
2520
2521         /* Adjust fw RISC transfer size */
2522         if (req->length > 1024)
2523                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
2524         else
2525                 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
2526                     req->length;
2527
2528         if (IS_QLA2200(ha) &&
2529             RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
2530                 /* Limit firmware transfer size with a 2200A */
2531                 ql_dbg(ql_dbg_init, vha, 0x007e, "Found QLA2200A Chip.\n");
2532
2533                 ha->device_type |= DT_ISP2200A;
2534                 ha->fw_transfer_size = 128;
2535         }
2536
2537         /* Wrap Incoming Mailboxes Test. */
2538         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2539
2540         ql_dbg(ql_dbg_init, vha, 0x007f, "Checking mailboxes.\n");
2541         rval = qla2x00_mbx_reg_test(vha);
2542         if (rval)
2543                 ql_log(ql_log_warn, vha, 0x0080,
2544                     "Failed mailbox send register test.\n");
2545         else
2546                 /* Flag a successful rval */
2547                 rval = QLA_SUCCESS;
2548         spin_lock_irqsave(&ha->hardware_lock, flags);
2549
2550 chip_diag_failed:
2551         if (rval)
2552                 ql_log(ql_log_info, vha, 0x0081,
2553                     "Chip diagnostics **** FAILED ****.\n");
2554
2555         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2556
2557         return (rval);
2558 }
2559
2560 /**
2561  * qla24xx_chip_diag() - Test ISP24xx for proper operation.
2562  * @ha: HA context
2563  *
2564  * Returns 0 on success.
2565  */
2566 int
2567 qla24xx_chip_diag(scsi_qla_host_t *vha)
2568 {
2569         int rval;
2570         struct qla_hw_data *ha = vha->hw;
2571         struct req_que *req = ha->req_q_map[0];
2572
2573         if (IS_P3P_TYPE(ha))
2574                 return QLA_SUCCESS;
2575
2576         ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;
2577
2578         rval = qla2x00_mbx_reg_test(vha);
2579         if (rval) {
2580                 ql_log(ql_log_warn, vha, 0x0082,
2581                     "Failed mailbox send register test.\n");
2582         } else {
2583                 /* Flag a successful rval */
2584                 rval = QLA_SUCCESS;
2585         }
2586
2587         return rval;
2588 }
2589
2590 void
2591 qla2x00_alloc_fw_dump(scsi_qla_host_t *vha)
2592 {
2593         int rval;
2594         uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
2595             eft_size, fce_size, mq_size;
2596         dma_addr_t tc_dma;
2597         void *tc;
2598         struct qla_hw_data *ha = vha->hw;
2599         struct req_que *req = ha->req_q_map[0];
2600         struct rsp_que *rsp = ha->rsp_q_map[0];
2601
2602         if (ha->fw_dump) {
2603                 ql_dbg(ql_dbg_init, vha, 0x00bd,
2604                     "Firmware dump already allocated.\n");
2605                 return;
2606         }
2607
2608         ha->fw_dumped = 0;
2609         ha->fw_dump_cap_flags = 0;
2610         dump_size = fixed_size = mem_size = eft_size = fce_size = mq_size = 0;
2611         req_q_size = rsp_q_size = 0;
2612
2613         if (IS_QLA27XX(ha))
2614                 goto try_fce;
2615
2616         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
2617                 fixed_size = sizeof(struct qla2100_fw_dump);
2618         } else if (IS_QLA23XX(ha)) {
2619                 fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
2620                 mem_size = (ha->fw_memory_size - 0x11000 + 1) *
2621                     sizeof(uint16_t);
2622         } else if (IS_FWI2_CAPABLE(ha)) {
2623                 if (IS_QLA83XX(ha) || IS_QLA27XX(ha))
2624                         fixed_size = offsetof(struct qla83xx_fw_dump, ext_mem);
2625                 else if (IS_QLA81XX(ha))
2626                         fixed_size = offsetof(struct qla81xx_fw_dump, ext_mem);
2627                 else if (IS_QLA25XX(ha))
2628                         fixed_size = offsetof(struct qla25xx_fw_dump, ext_mem);
2629                 else
2630                         fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem);
2631
2632                 mem_size = (ha->fw_memory_size - 0x100000 + 1) *
2633                     sizeof(uint32_t);
2634                 if (ha->mqenable) {
2635                         if (!IS_QLA83XX(ha) && !IS_QLA27XX(ha))
2636                                 mq_size = sizeof(struct qla2xxx_mq_chain);
2637                         /*
2638                          * Allocate maximum buffer size for all queues.
2639                          * Resizing must be done at end-of-dump processing.
2640                          */
2641                         mq_size += ha->max_req_queues *
2642                             (req->length * sizeof(request_t));
2643                         mq_size += ha->max_rsp_queues *
2644                             (rsp->length * sizeof(response_t));
2645                 }
2646                 if (ha->tgt.atio_ring)
2647                         mq_size += ha->tgt.atio_q_length * sizeof(request_t);
2648                 /* Allocate memory for Fibre Channel Event Buffer. */
2649                 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) &&
2650                     !IS_QLA27XX(ha))
2651                         goto try_eft;
2652
2653 try_fce:
2654                 if (ha->fce)
2655                         dma_free_coherent(&ha->pdev->dev,
2656                             FCE_SIZE, ha->fce, ha->fce_dma);
2657
2658                 /* Allocate memory for Fibre Channel Event Buffer. */
2659                 tc = dma_zalloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma,
2660                                          GFP_KERNEL);
2661                 if (!tc) {
2662                         ql_log(ql_log_warn, vha, 0x00be,
2663                             "Unable to allocate (%d KB) for FCE.\n",
2664                             FCE_SIZE / 1024);
2665                         goto try_eft;
2666                 }
2667
2668                 rval = qla2x00_enable_fce_trace(vha, tc_dma, FCE_NUM_BUFFERS,
2669                     ha->fce_mb, &ha->fce_bufs);
2670                 if (rval) {
2671                         ql_log(ql_log_warn, vha, 0x00bf,
2672                             "Unable to initialize FCE (%d).\n", rval);
2673                         dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc,
2674                             tc_dma);
2675                         ha->flags.fce_enabled = 0;
2676                         goto try_eft;
2677                 }
2678                 ql_dbg(ql_dbg_init, vha, 0x00c0,
2679                     "Allocate (%d KB) for FCE...\n", FCE_SIZE / 1024);
2680
2681                 fce_size = sizeof(struct qla2xxx_fce_chain) + FCE_SIZE;
2682                 ha->flags.fce_enabled = 1;
2683                 ha->fce_dma = tc_dma;
2684                 ha->fce = tc;
2685
2686 try_eft:
2687                 if (ha->eft)
2688                         dma_free_coherent(&ha->pdev->dev,
2689                             EFT_SIZE, ha->eft, ha->eft_dma);
2690
2691                 /* Allocate memory for Extended Trace Buffer. */
2692                 tc = dma_zalloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma,
2693                                          GFP_KERNEL);
2694                 if (!tc) {
2695                         ql_log(ql_log_warn, vha, 0x00c1,
2696                             "Unable to allocate (%d KB) for EFT.\n",
2697                             EFT_SIZE / 1024);
2698                         goto cont_alloc;
2699                 }
2700
2701                 rval = qla2x00_enable_eft_trace(vha, tc_dma, EFT_NUM_BUFFERS);
2702                 if (rval) {
2703                         ql_log(ql_log_warn, vha, 0x00c2,
2704                             "Unable to initialize EFT (%d).\n", rval);
2705                         dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc,
2706                             tc_dma);
2707                         goto cont_alloc;
2708                 }
2709                 ql_dbg(ql_dbg_init, vha, 0x00c3,
2710                     "Allocated (%d KB) EFT ...\n", EFT_SIZE / 1024);
2711
2712                 eft_size = EFT_SIZE;
2713                 ha->eft_dma = tc_dma;
2714                 ha->eft = tc;
2715         }
2716
2717 cont_alloc:
2718         if (IS_QLA27XX(ha)) {
2719                 if (!ha->fw_dump_template) {
2720                         ql_log(ql_log_warn, vha, 0x00ba,
2721                             "Failed missing fwdump template\n");
2722                         return;
2723                 }
2724                 dump_size = qla27xx_fwdt_calculate_dump_size(vha);
2725                 ql_dbg(ql_dbg_init, vha, 0x00fa,
2726                     "-> allocating fwdump (%x bytes)...\n", dump_size);
2727                 goto allocate;
2728         }
2729
2730         req_q_size = req->length * sizeof(request_t);
2731         rsp_q_size = rsp->length * sizeof(response_t);
2732         dump_size = offsetof(struct qla2xxx_fw_dump, isp);
2733         dump_size += fixed_size + mem_size + req_q_size + rsp_q_size + eft_size;
2734         ha->chain_offset = dump_size;
2735         dump_size += mq_size + fce_size;
2736
2737         if (ha->exchoffld_buf)
2738                 dump_size += sizeof(struct qla2xxx_offld_chain) +
2739                         ha->exchoffld_size;
2740         if (ha->exlogin_buf)
2741                 dump_size += sizeof(struct qla2xxx_offld_chain) +
2742                         ha->exlogin_size;
2743
2744 allocate:
2745         ha->fw_dump = vmalloc(dump_size);
2746         if (!ha->fw_dump) {
2747                 ql_log(ql_log_warn, vha, 0x00c4,
2748                     "Unable to allocate (%d KB) for firmware dump.\n",
2749                     dump_size / 1024);
2750
2751                 if (ha->fce) {
2752                         dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce,
2753                             ha->fce_dma);
2754                         ha->fce = NULL;
2755                         ha->fce_dma = 0;
2756                 }
2757
2758                 if (ha->eft) {
2759                         dma_free_coherent(&ha->pdev->dev, eft_size, ha->eft,
2760                             ha->eft_dma);
2761                         ha->eft = NULL;
2762                         ha->eft_dma = 0;
2763                 }
2764                 return;
2765         }
2766         ha->fw_dump_len = dump_size;
2767         ql_dbg(ql_dbg_init, vha, 0x00c5,
2768             "Allocated (%d KB) for firmware dump.\n", dump_size / 1024);
2769
2770         if (IS_QLA27XX(ha))
2771                 return;
2772
2773         ha->fw_dump->signature[0] = 'Q';
2774         ha->fw_dump->signature[1] = 'L';
2775         ha->fw_dump->signature[2] = 'G';
2776         ha->fw_dump->signature[3] = 'C';
2777         ha->fw_dump->version = htonl(1);
2778
2779         ha->fw_dump->fixed_size = htonl(fixed_size);
2780         ha->fw_dump->mem_size = htonl(mem_size);
2781         ha->fw_dump->req_q_size = htonl(req_q_size);
2782         ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
2783
2784         ha->fw_dump->eft_size = htonl(eft_size);
2785         ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma));
2786         ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma));
2787
2788         ha->fw_dump->header_size =
2789             htonl(offsetof(struct qla2xxx_fw_dump, isp));
2790 }
2791
2792 static int
2793 qla81xx_mpi_sync(scsi_qla_host_t *vha)
2794 {
2795 #define MPS_MASK        0xe0
2796         int rval;
2797         uint16_t dc;
2798         uint32_t dw;
2799
2800         if (!IS_QLA81XX(vha->hw))
2801                 return QLA_SUCCESS;
2802
2803         rval = qla2x00_write_ram_word(vha, 0x7c00, 1);
2804         if (rval != QLA_SUCCESS) {
2805                 ql_log(ql_log_warn, vha, 0x0105,
2806                     "Unable to acquire semaphore.\n");
2807                 goto done;
2808         }
2809
2810         pci_read_config_word(vha->hw->pdev, 0x54, &dc);
2811         rval = qla2x00_read_ram_word(vha, 0x7a15, &dw);
2812         if (rval != QLA_SUCCESS) {
2813                 ql_log(ql_log_warn, vha, 0x0067, "Unable to read sync.\n");
2814                 goto done_release;
2815         }
2816
2817         dc &= MPS_MASK;
2818         if (dc == (dw & MPS_MASK))
2819                 goto done_release;
2820
2821         dw &= ~MPS_MASK;
2822         dw |= dc;
2823         rval = qla2x00_write_ram_word(vha, 0x7a15, dw);
2824         if (rval != QLA_SUCCESS) {
2825                 ql_log(ql_log_warn, vha, 0x0114, "Unable to gain sync.\n");
2826         }
2827
2828 done_release:
2829         rval = qla2x00_write_ram_word(vha, 0x7c00, 0);
2830         if (rval != QLA_SUCCESS) {
2831                 ql_log(ql_log_warn, vha, 0x006d,
2832                     "Unable to release semaphore.\n");
2833         }
2834
2835 done:
2836         return rval;
2837 }
2838
2839 int
2840 qla2x00_alloc_outstanding_cmds(struct qla_hw_data *ha, struct req_que *req)
2841 {
2842         /* Don't try to reallocate the array */
2843         if (req->outstanding_cmds)
2844                 return QLA_SUCCESS;
2845
2846         if (!IS_FWI2_CAPABLE(ha))
2847                 req->num_outstanding_cmds = DEFAULT_OUTSTANDING_COMMANDS;
2848         else {
2849                 if (ha->cur_fw_xcb_count <= ha->cur_fw_iocb_count)
2850                         req->num_outstanding_cmds = ha->cur_fw_xcb_count;
2851                 else
2852                         req->num_outstanding_cmds = ha->cur_fw_iocb_count;
2853         }
2854
2855         req->outstanding_cmds = kzalloc(sizeof(srb_t *) *
2856             req->num_outstanding_cmds, GFP_KERNEL);
2857
2858         if (!req->outstanding_cmds) {
2859                 /*
2860                  * Try to allocate a minimal size just so we can get through
2861                  * initialization.
2862                  */
2863                 req->num_outstanding_cmds = MIN_OUTSTANDING_COMMANDS;
2864                 req->outstanding_cmds = kzalloc(sizeof(srb_t *) *
2865                     req->num_outstanding_cmds, GFP_KERNEL);
2866
2867                 if (!req->outstanding_cmds) {
2868                         ql_log(ql_log_fatal, NULL, 0x0126,
2869                             "Failed to allocate memory for "
2870                             "outstanding_cmds for req_que %p.\n", req);
2871                         req->num_outstanding_cmds = 0;
2872                         return QLA_FUNCTION_FAILED;
2873                 }
2874         }
2875
2876         return QLA_SUCCESS;
2877 }
2878
2879 #define PRINT_FIELD(_field, _flag, _str) {              \
2880         if (a0->_field & _flag) {\
2881                 if (p) {\
2882                         strcat(ptr, "|");\
2883                         ptr++;\
2884                         leftover--;\
2885                 } \
2886                 len = snprintf(ptr, leftover, "%s", _str);      \
2887                 p = 1;\
2888                 leftover -= len;\
2889                 ptr += len; \
2890         } \
2891 }
2892
2893 static void qla2xxx_print_sfp_info(struct scsi_qla_host *vha)
2894 {
2895 #define STR_LEN 64
2896         struct sff_8247_a0 *a0 = (struct sff_8247_a0 *)vha->hw->sfp_data;
2897         u8 str[STR_LEN], *ptr, p;
2898         int leftover, len;
2899
2900         memset(str, 0, STR_LEN);
2901         snprintf(str, SFF_VEN_NAME_LEN+1, a0->vendor_name);
2902         ql_dbg(ql_dbg_init, vha, 0x015a,
2903             "SFP MFG Name: %s\n", str);
2904
2905         memset(str, 0, STR_LEN);
2906         snprintf(str, SFF_PART_NAME_LEN+1, a0->vendor_pn);
2907         ql_dbg(ql_dbg_init, vha, 0x015c,
2908             "SFP Part Name: %s\n", str);
2909
2910         /* media */
2911         memset(str, 0, STR_LEN);
2912         ptr = str;
2913         leftover = STR_LEN;
2914         p = len = 0;
2915         PRINT_FIELD(fc_med_cc9, FC_MED_TW, "Twin AX");
2916         PRINT_FIELD(fc_med_cc9, FC_MED_TP, "Twisted Pair");
2917         PRINT_FIELD(fc_med_cc9, FC_MED_MI, "Min Coax");
2918         PRINT_FIELD(fc_med_cc9, FC_MED_TV, "Video Coax");
2919         PRINT_FIELD(fc_med_cc9, FC_MED_M6, "MultiMode 62.5um");
2920         PRINT_FIELD(fc_med_cc9, FC_MED_M5, "MultiMode 50um");
2921         PRINT_FIELD(fc_med_cc9, FC_MED_SM, "SingleMode");
2922         ql_dbg(ql_dbg_init, vha, 0x0160,
2923             "SFP Media: %s\n", str);
2924
2925         /* link length */
2926         memset(str, 0, STR_LEN);
2927         ptr = str;
2928         leftover = STR_LEN;
2929         p = len = 0;
2930         PRINT_FIELD(fc_ll_cc7, FC_LL_VL, "Very Long");
2931         PRINT_FIELD(fc_ll_cc7, FC_LL_S, "Short");
2932         PRINT_FIELD(fc_ll_cc7, FC_LL_I, "Intermediate");
2933         PRINT_FIELD(fc_ll_cc7, FC_LL_L, "Long");
2934         PRINT_FIELD(fc_ll_cc7, FC_LL_M, "Medium");
2935         ql_dbg(ql_dbg_init, vha, 0x0196,
2936             "SFP Link Length: %s\n", str);
2937
2938         memset(str, 0, STR_LEN);
2939         ptr = str;
2940         leftover = STR_LEN;
2941         p = len = 0;
2942         PRINT_FIELD(fc_ll_cc7, FC_LL_SA, "Short Wave (SA)");
2943         PRINT_FIELD(fc_ll_cc7, FC_LL_LC, "Long Wave(LC)");
2944         PRINT_FIELD(fc_tec_cc8, FC_TEC_SN, "Short Wave (SN)");
2945         PRINT_FIELD(fc_tec_cc8, FC_TEC_SL, "Short Wave (SL)");
2946         PRINT_FIELD(fc_tec_cc8, FC_TEC_LL, "Long Wave (LL)");
2947         ql_dbg(ql_dbg_init, vha, 0x016e,
2948             "SFP FC Link Tech: %s\n", str);
2949
2950         if (a0->length_km)
2951                 ql_dbg(ql_dbg_init, vha, 0x016f,
2952                     "SFP Distant: %d km\n", a0->length_km);
2953         if (a0->length_100m)
2954                 ql_dbg(ql_dbg_init, vha, 0x0170,
2955                     "SFP Distant: %d m\n", a0->length_100m*100);
2956         if (a0->length_50um_10m)
2957                 ql_dbg(ql_dbg_init, vha, 0x0189,
2958                     "SFP Distant (WL=50um): %d m\n", a0->length_50um_10m * 10);
2959         if (a0->length_62um_10m)
2960                 ql_dbg(ql_dbg_init, vha, 0x018a,
2961                   "SFP Distant (WL=62.5um): %d m\n", a0->length_62um_10m * 10);
2962         if (a0->length_om4_10m)
2963                 ql_dbg(ql_dbg_init, vha, 0x0194,
2964                     "SFP Distant (OM4): %d m\n", a0->length_om4_10m * 10);
2965         if (a0->length_om3_10m)
2966                 ql_dbg(ql_dbg_init, vha, 0x0195,
2967                     "SFP Distant (OM3): %d m\n", a0->length_om3_10m * 10);
2968 }
2969
2970
2971 /*
2972  * Return Code:
2973  *   QLA_SUCCESS: no action
2974  *   QLA_INTERFACE_ERROR: SFP is not there.
2975  *   QLA_FUNCTION_FAILED: detected New SFP
2976  */
2977 int
2978 qla24xx_detect_sfp(scsi_qla_host_t *vha)
2979 {
2980         int rc = QLA_SUCCESS;
2981         struct sff_8247_a0 *a;
2982         struct qla_hw_data *ha = vha->hw;
2983
2984         if (!AUTO_DETECT_SFP_SUPPORT(vha))
2985                 goto out;
2986
2987         rc = qla2x00_read_sfp_dev(vha, NULL, 0);
2988         if (rc)
2989                 goto out;
2990
2991         a = (struct sff_8247_a0 *)vha->hw->sfp_data;
2992         qla2xxx_print_sfp_info(vha);
2993
2994         if (a->fc_ll_cc7 & FC_LL_VL || a->fc_ll_cc7 & FC_LL_L) {
2995                 /* long range */
2996                 ha->flags.detected_lr_sfp = 1;
2997
2998                 if (a->length_km > 5 || a->length_100m > 50)
2999                         ha->long_range_distance = LR_DISTANCE_10K;
3000                 else
3001                         ha->long_range_distance = LR_DISTANCE_5K;
3002
3003                 if (ha->flags.detected_lr_sfp != ha->flags.using_lr_setting)
3004                         ql_dbg(ql_dbg_async, vha, 0x507b,
3005                             "Detected Long Range SFP.\n");
3006         } else {
3007                 /* short range */
3008                 ha->flags.detected_lr_sfp = 0;
3009                 if (ha->flags.using_lr_setting)
3010                         ql_dbg(ql_dbg_async, vha, 0x5084,
3011                             "Detected Short Range SFP.\n");
3012         }
3013
3014         if (!vha->flags.init_done)
3015                 rc = QLA_SUCCESS;
3016 out:
3017         return rc;
3018 }
3019
3020 /**
3021  * qla2x00_setup_chip() - Load and start RISC firmware.
3022  * @ha: HA context
3023  *
3024  * Returns 0 on success.
3025  */
3026 static int
3027 qla2x00_setup_chip(scsi_qla_host_t *vha)
3028 {
3029         int rval;
3030         uint32_t srisc_address = 0;
3031         struct qla_hw_data *ha = vha->hw;
3032         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3033         unsigned long flags;
3034         uint16_t fw_major_version;
3035
3036         if (IS_P3P_TYPE(ha)) {
3037                 rval = ha->isp_ops->load_risc(vha, &srisc_address);
3038                 if (rval == QLA_SUCCESS) {
3039                         qla2x00_stop_firmware(vha);
3040                         goto enable_82xx_npiv;
3041                 } else
3042                         goto failed;
3043         }
3044
3045         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
3046                 /* Disable SRAM, Instruction RAM and GP RAM parity.  */
3047                 spin_lock_irqsave(&ha->hardware_lock, flags);
3048                 WRT_REG_WORD(&reg->hccr, (HCCR_ENABLE_PARITY + 0x0));
3049                 RD_REG_WORD(&reg->hccr);
3050                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3051         }
3052
3053         qla81xx_mpi_sync(vha);
3054
3055         /* Load firmware sequences */
3056         rval = ha->isp_ops->load_risc(vha, &srisc_address);
3057         if (rval == QLA_SUCCESS) {
3058                 ql_dbg(ql_dbg_init, vha, 0x00c9,
3059                     "Verifying Checksum of loaded RISC code.\n");
3060
3061                 rval = qla2x00_verify_checksum(vha, srisc_address);
3062                 if (rval == QLA_SUCCESS) {
3063                         /* Start firmware execution. */
3064                         ql_dbg(ql_dbg_init, vha, 0x00ca,
3065                             "Starting firmware.\n");
3066
3067                         if (ql2xexlogins)
3068                                 ha->flags.exlogins_enabled = 1;
3069
3070                         if (qla_is_exch_offld_enabled(vha))
3071                                 ha->flags.exchoffld_enabled = 1;
3072
3073                         rval = qla2x00_execute_fw(vha, srisc_address);
3074                         /* Retrieve firmware information. */
3075                         if (rval == QLA_SUCCESS) {
3076                                 qla24xx_detect_sfp(vha);
3077
3078                                 rval = qla2x00_set_exlogins_buffer(vha);
3079                                 if (rval != QLA_SUCCESS)
3080                                         goto failed;
3081
3082                                 rval = qla2x00_set_exchoffld_buffer(vha);
3083                                 if (rval != QLA_SUCCESS)
3084                                         goto failed;
3085
3086 enable_82xx_npiv:
3087                                 fw_major_version = ha->fw_major_version;
3088                                 if (IS_P3P_TYPE(ha))
3089                                         qla82xx_check_md_needed(vha);
3090                                 else
3091                                         rval = qla2x00_get_fw_version(vha);
3092                                 if (rval != QLA_SUCCESS)
3093                                         goto failed;
3094                                 ha->flags.npiv_supported = 0;
3095                                 if (IS_QLA2XXX_MIDTYPE(ha) &&
3096                                          (ha->fw_attributes & BIT_2)) {
3097                                         ha->flags.npiv_supported = 1;
3098                                         if ((!ha->max_npiv_vports) ||
3099                                             ((ha->max_npiv_vports + 1) %
3100                                             MIN_MULTI_ID_FABRIC))
3101                                                 ha->max_npiv_vports =
3102                                                     MIN_MULTI_ID_FABRIC - 1;
3103                                 }
3104                                 qla2x00_get_resource_cnts(vha);
3105
3106                                 /*
3107                                  * Allocate the array of outstanding commands
3108                                  * now that we know the firmware resources.
3109                                  */
3110                                 rval = qla2x00_alloc_outstanding_cmds(ha,
3111                                     vha->req);
3112                                 if (rval != QLA_SUCCESS)
3113                                         goto failed;
3114
3115                                 if (!fw_major_version && ql2xallocfwdump
3116                                     && !(IS_P3P_TYPE(ha)))
3117                                         qla2x00_alloc_fw_dump(vha);
3118                         } else {
3119                                 goto failed;
3120                         }
3121                 } else {
3122                         ql_log(ql_log_fatal, vha, 0x00cd,
3123                             "ISP Firmware failed checksum.\n");
3124                         goto failed;
3125                 }
3126         } else
3127                 goto failed;
3128
3129         if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
3130                 /* Enable proper parity. */
3131                 spin_lock_irqsave(&ha->hardware_lock, flags);
3132                 if (IS_QLA2300(ha))
3133                         /* SRAM parity */
3134                         WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x1);
3135                 else
3136                         /* SRAM, Instruction RAM and GP RAM parity */
3137                         WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x7);
3138                 RD_REG_WORD(&reg->hccr);
3139                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3140         }
3141
3142         if (IS_QLA27XX(ha))
3143                 ha->flags.fac_supported = 1;
3144         else if (rval == QLA_SUCCESS && IS_FAC_REQUIRED(ha)) {
3145                 uint32_t size;
3146
3147                 rval = qla81xx_fac_get_sector_size(vha, &size);
3148                 if (rval == QLA_SUCCESS) {
3149                         ha->flags.fac_supported = 1;
3150                         ha->fdt_block_size = size << 2;
3151                 } else {
3152                         ql_log(ql_log_warn, vha, 0x00ce,
3153                             "Unsupported FAC firmware (%d.%02d.%02d).\n",
3154                             ha->fw_major_version, ha->fw_minor_version,
3155                             ha->fw_subminor_version);
3156
3157                         if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
3158                                 ha->flags.fac_supported = 0;
3159                                 rval = QLA_SUCCESS;
3160                         }
3161                 }
3162         }
3163 failed:
3164         if (rval) {
3165                 ql_log(ql_log_fatal, vha, 0x00cf,
3166                     "Setup chip ****FAILED****.\n");
3167         }
3168
3169         return (rval);
3170 }
3171
3172 /**
3173  * qla2x00_init_response_q_entries() - Initializes response queue entries.
3174  * @ha: HA context
3175  *
3176  * Beginning of request ring has initialization control block already built
3177  * by nvram config routine.
3178  *
3179  * Returns 0 on success.
3180  */
3181 void
3182 qla2x00_init_response_q_entries(struct rsp_que *rsp)
3183 {
3184         uint16_t cnt;
3185         response_t *pkt;
3186
3187         rsp->ring_ptr = rsp->ring;
3188         rsp->ring_index    = 0;
3189         rsp->status_srb = NULL;
3190         pkt = rsp->ring_ptr;
3191         for (cnt = 0; cnt < rsp->length; cnt++) {
3192                 pkt->signature = RESPONSE_PROCESSED;
3193                 pkt++;
3194         }
3195 }
3196
3197 /**
3198  * qla2x00_update_fw_options() - Read and process firmware options.
3199  * @ha: HA context
3200  *
3201  * Returns 0 on success.
3202  */
3203 void
3204 qla2x00_update_fw_options(scsi_qla_host_t *vha)
3205 {
3206         uint16_t swing, emphasis, tx_sens, rx_sens;
3207         struct qla_hw_data *ha = vha->hw;
3208
3209         memset(ha->fw_options, 0, sizeof(ha->fw_options));
3210         qla2x00_get_fw_options(vha, ha->fw_options);
3211
3212         if (IS_QLA2100(ha) || IS_QLA2200(ha))
3213                 return;
3214
3215         /* Serial Link options. */
3216         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0115,
3217             "Serial link options.\n");
3218         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0109,
3219             (uint8_t *)&ha->fw_seriallink_options,
3220             sizeof(ha->fw_seriallink_options));
3221
3222         ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
3223         if (ha->fw_seriallink_options[3] & BIT_2) {
3224                 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
3225
3226                 /*  1G settings */
3227                 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
3228                 emphasis = (ha->fw_seriallink_options[2] &
3229                     (BIT_4 | BIT_3)) >> 3;
3230                 tx_sens = ha->fw_seriallink_options[0] &
3231                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
3232                 rx_sens = (ha->fw_seriallink_options[0] &
3233                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
3234                 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
3235                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
3236                         if (rx_sens == 0x0)
3237                                 rx_sens = 0x3;
3238                         ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
3239                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
3240                         ha->fw_options[10] |= BIT_5 |
3241                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
3242                             (tx_sens & (BIT_1 | BIT_0));
3243
3244                 /*  2G settings */
3245                 swing = (ha->fw_seriallink_options[2] &
3246                     (BIT_7 | BIT_6 | BIT_5)) >> 5;
3247                 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
3248                 tx_sens = ha->fw_seriallink_options[1] &
3249                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
3250                 rx_sens = (ha->fw_seriallink_options[1] &
3251                     (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
3252                 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
3253                 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
3254                         if (rx_sens == 0x0)
3255                                 rx_sens = 0x3;
3256                         ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
3257                 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
3258                         ha->fw_options[11] |= BIT_5 |
3259                             ((rx_sens & (BIT_1 | BIT_0)) << 2) |
3260                             (tx_sens & (BIT_1 | BIT_0));
3261         }
3262
3263         /* FCP2 options. */
3264         /*  Return command IOCBs without waiting for an ABTS to complete. */
3265         ha->fw_options[3] |= BIT_13;
3266
3267         /* LED scheme. */
3268         if (ha->flags.enable_led_scheme)
3269                 ha->fw_options[2] |= BIT_12;
3270
3271         /* Detect ISP6312. */
3272         if (IS_QLA6312(ha))
3273                 ha->fw_options[2] |= BIT_13;
3274
3275         /* Set Retry FLOGI in case of P2P connection */
3276         if (ha->operating_mode == P2P) {
3277                 ha->fw_options[2] |= BIT_3;
3278                 ql_dbg(ql_dbg_disc, vha, 0x2100,
3279                     "(%s): Setting FLOGI retry BIT in fw_options[2]: 0x%x\n",
3280                         __func__, ha->fw_options[2]);
3281         }
3282
3283         /* Update firmware options. */
3284         qla2x00_set_fw_options(vha, ha->fw_options);
3285 }
3286
3287 void
3288 qla24xx_update_fw_options(scsi_qla_host_t *vha)
3289 {
3290         int rval;
3291         struct qla_hw_data *ha = vha->hw;
3292
3293         if (IS_P3P_TYPE(ha))
3294                 return;
3295
3296         /*  Hold status IOCBs until ABTS response received. */
3297         if (ql2xfwholdabts)
3298                 ha->fw_options[3] |= BIT_12;
3299
3300         /* Set Retry FLOGI in case of P2P connection */
3301         if (ha->operating_mode == P2P) {
3302                 ha->fw_options[2] |= BIT_3;
3303                 ql_dbg(ql_dbg_disc, vha, 0x2101,
3304                     "(%s): Setting FLOGI retry BIT in fw_options[2]: 0x%x\n",
3305                         __func__, ha->fw_options[2]);
3306         }
3307
3308         /* Move PUREX, ABTS RX & RIDA to ATIOQ */
3309         if (ql2xmvasynctoatio &&
3310             (IS_QLA83XX(ha) || IS_QLA27XX(ha))) {
3311                 if (qla_tgt_mode_enabled(vha) ||
3312                     qla_dual_mode_enabled(vha))
3313                         ha->fw_options[2] |= BIT_11;
3314                 else
3315                         ha->fw_options[2] &= ~BIT_11;
3316         }
3317
3318         if (IS_QLA25XX(ha) || IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
3319                 /*
3320                  * Tell FW to track each exchange to prevent
3321                  * driver from using stale exchange.
3322                  */
3323                 if (qla_tgt_mode_enabled(vha) ||
3324                     qla_dual_mode_enabled(vha))
3325                         ha->fw_options[2] |= BIT_4;
3326                 else
3327                         ha->fw_options[2] &= ~BIT_4;
3328         }
3329
3330         ql_dbg(ql_dbg_init, vha, 0x00e8,
3331             "%s, add FW options 1-3 = 0x%04x 0x%04x 0x%04x mode %x\n",
3332             __func__, ha->fw_options[1], ha->fw_options[2],
3333             ha->fw_options[3], vha->host->active_mode);
3334
3335         if (ha->fw_options[1] || ha->fw_options[2] || ha->fw_options[3])
3336                 qla2x00_set_fw_options(vha, ha->fw_options);
3337
3338         /* Update Serial Link options. */
3339         if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
3340                 return;
3341
3342         rval = qla2x00_set_serdes_params(vha,
3343             le16_to_cpu(ha->fw_seriallink_options24[1]),
3344             le16_to_cpu(ha->fw_seriallink_options24[2]),
3345             le16_to_cpu(ha->fw_seriallink_options24[3]));
3346         if (rval != QLA_SUCCESS) {
3347                 ql_log(ql_log_warn, vha, 0x0104,
3348                     "Unable to update Serial Link options (%x).\n", rval);
3349         }
3350 }
3351
3352 void
3353 qla2x00_config_rings(struct scsi_qla_host *vha)
3354 {
3355         struct qla_hw_data *ha = vha->hw;
3356         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3357         struct req_que *req = ha->req_q_map[0];
3358         struct rsp_que *rsp = ha->rsp_q_map[0];
3359
3360         /* Setup ring parameters in initialization control block. */
3361         ha->init_cb->request_q_outpointer = cpu_to_le16(0);
3362         ha->init_cb->response_q_inpointer = cpu_to_le16(0);
3363         ha->init_cb->request_q_length = cpu_to_le16(req->length);
3364         ha->init_cb->response_q_length = cpu_to_le16(rsp->length);
3365         ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
3366         ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
3367         ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
3368         ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
3369
3370         WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
3371         WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
3372         WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
3373         WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
3374         RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg));            /* PCI Posting. */
3375 }
3376
3377 void
3378 qla24xx_config_rings(struct scsi_qla_host *vha)
3379 {
3380         struct qla_hw_data *ha = vha->hw;
3381         device_reg_t *reg = ISP_QUE_REG(ha, 0);
3382         struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp;
3383         struct qla_msix_entry *msix;
3384         struct init_cb_24xx *icb;
3385         uint16_t rid = 0;
3386         struct req_que *req = ha->req_q_map[0];
3387         struct rsp_que *rsp = ha->rsp_q_map[0];
3388
3389         /* Setup ring parameters in initialization control block. */
3390         icb = (struct init_cb_24xx *)ha->init_cb;
3391         icb->request_q_outpointer = cpu_to_le16(0);
3392         icb->response_q_inpointer = cpu_to_le16(0);
3393         icb->request_q_length = cpu_to_le16(req->length);
3394         icb->response_q_length = cpu_to_le16(rsp->length);
3395         icb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
3396         icb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
3397         icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
3398         icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
3399
3400         /* Setup ATIO queue dma pointers for target mode */
3401         icb->atio_q_inpointer = cpu_to_le16(0);
3402         icb->atio_q_length = cpu_to_le16(ha->tgt.atio_q_length);
3403         icb->atio_q_address[0] = cpu_to_le32(LSD(ha->tgt.atio_dma));
3404         icb->atio_q_address[1] = cpu_to_le32(MSD(ha->tgt.atio_dma));
3405
3406         if (IS_SHADOW_REG_CAPABLE(ha))
3407                 icb->firmware_options_2 |= cpu_to_le32(BIT_30|BIT_29);
3408
3409         if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
3410                 icb->qos = cpu_to_le16(QLA_DEFAULT_QUE_QOS);
3411                 icb->rid = cpu_to_le16(rid);
3412                 if (ha->flags.msix_enabled) {
3413                         msix = &ha->msix_entries[1];
3414                         ql_dbg(ql_dbg_init, vha, 0x0019,
3415                             "Registering vector 0x%x for base que.\n",
3416                             msix->entry);
3417                         icb->msix = cpu_to_le16(msix->entry);
3418                 }
3419                 /* Use alternate PCI bus number */
3420                 if (MSB(rid))
3421                         icb->firmware_options_2 |= cpu_to_le32(BIT_19);
3422                 /* Use alternate PCI devfn */
3423                 if (LSB(rid))
3424                         icb->firmware_options_2 |= cpu_to_le32(BIT_18);
3425
3426                 /* Use Disable MSIX Handshake mode for capable adapters */
3427                 if ((ha->fw_attributes & BIT_6) && (IS_MSIX_NACK_CAPABLE(ha)) &&
3428                     (ha->flags.msix_enabled)) {
3429                         icb->firmware_options_2 &= cpu_to_le32(~BIT_22);
3430                         ha->flags.disable_msix_handshake = 1;
3431                         ql_dbg(ql_dbg_init, vha, 0x00fe,
3432                             "MSIX Handshake Disable Mode turned on.\n");
3433                 } else {
3434                         icb->firmware_options_2 |= cpu_to_le32(BIT_22);
3435                 }
3436                 icb->firmware_options_2 |= cpu_to_le32(BIT_23);
3437
3438                 WRT_REG_DWORD(&reg->isp25mq.req_q_in, 0);
3439                 WRT_REG_DWORD(&reg->isp25mq.req_q_out, 0);
3440                 WRT_REG_DWORD(&reg->isp25mq.rsp_q_in, 0);
3441                 WRT_REG_DWORD(&reg->isp25mq.rsp_q_out, 0);
3442         } else {
3443                 WRT_REG_DWORD(&reg->isp24.req_q_in, 0);
3444                 WRT_REG_DWORD(&reg->isp24.req_q_out, 0);
3445                 WRT_REG_DWORD(&reg->isp24.rsp_q_in, 0);
3446                 WRT_REG_DWORD(&reg->isp24.rsp_q_out, 0);
3447         }
3448         qlt_24xx_config_rings(vha);
3449
3450         /* PCI posting */
3451         RD_REG_DWORD(&ioreg->hccr);
3452 }
3453
3454 /**
3455  * qla2x00_init_rings() - Initializes firmware.
3456  * @ha: HA context
3457  *
3458  * Beginning of request ring has initialization control block already built
3459  * by nvram config routine.
3460  *
3461  * Returns 0 on success.
3462  */
3463 int
3464 qla2x00_init_rings(scsi_qla_host_t *vha)
3465 {
3466         int     rval;
3467         unsigned long flags = 0;
3468         int cnt, que;
3469         struct qla_hw_data *ha = vha->hw;
3470         struct req_que *req;
3471         struct rsp_que *rsp;
3472         struct mid_init_cb_24xx *mid_init_cb =
3473             (struct mid_init_cb_24xx *) ha->init_cb;
3474
3475         spin_lock_irqsave(&ha->hardware_lock, flags);
3476
3477         /* Clear outstanding commands array. */
3478         for (que = 0; que < ha->max_req_queues; que++) {
3479                 req = ha->req_q_map[que];
3480                 if (!req || !test_bit(que, ha->req_qid_map))
3481                         continue;
3482                 req->out_ptr = (void *)(req->ring + req->length);
3483                 *req->out_ptr = 0;
3484                 for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++)
3485                         req->outstanding_cmds[cnt] = NULL;
3486
3487                 req->current_outstanding_cmd = 1;
3488
3489                 /* Initialize firmware. */
3490                 req->ring_ptr  = req->ring;
3491                 req->ring_index    = 0;
3492                 req->cnt      = req->length;
3493         }
3494
3495         for (que = 0; que < ha->max_rsp_queues; que++) {
3496                 rsp = ha->rsp_q_map[que];
3497                 if (!rsp || !test_bit(que, ha->rsp_qid_map))
3498                         continue;
3499                 rsp->in_ptr = (void *)(rsp->ring + rsp->length);
3500                 *rsp->in_ptr = 0;
3501                 /* Initialize response queue entries */
3502                 if (IS_QLAFX00(ha))
3503                         qlafx00_init_response_q_entries(rsp);
3504                 else
3505                         qla2x00_init_response_q_entries(rsp);
3506         }
3507
3508         ha->tgt.atio_ring_ptr = ha->tgt.atio_ring;
3509         ha->tgt.atio_ring_index = 0;
3510         /* Initialize ATIO queue entries */
3511         qlt_init_atio_q_entries(vha);
3512
3513         ha->isp_ops->config_rings(vha);
3514
3515         spin_unlock_irqrestore(&ha->hardware_lock, flags);
3516
3517         ql_dbg(ql_dbg_init, vha, 0x00d1, "Issue init firmware.\n");
3518
3519         if (IS_QLAFX00(ha)) {
3520                 rval = qlafx00_init_firmware(vha, ha->init_cb_size);
3521                 goto next_check;
3522         }
3523
3524         /* Update any ISP specific firmware options before initialization. */
3525         ha->isp_ops->update_fw_options(vha);
3526
3527         if (ha->flags.npiv_supported) {
3528                 if (ha->operating_mode == LOOP && !IS_CNA_CAPABLE(ha))
3529                         ha->max_npiv_vports = MIN_MULTI_ID_FABRIC - 1;
3530                 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
3531         }
3532
3533         if (IS_FWI2_CAPABLE(ha)) {
3534                 mid_init_cb->options = cpu_to_le16(BIT_1);
3535                 mid_init_cb->init_cb.execution_throttle =
3536                     cpu_to_le16(ha->cur_fw_xcb_count);
3537                 ha->flags.dport_enabled =
3538                     (mid_init_cb->init_cb.firmware_options_1 & BIT_7) != 0;
3539                 ql_dbg(ql_dbg_init, vha, 0x0191, "DPORT Support: %s.\n",
3540                     (ha->flags.dport_enabled) ? "enabled" : "disabled");
3541                 /* FA-WWPN Status */
3542                 ha->flags.fawwpn_enabled =
3543                     (mid_init_cb->init_cb.firmware_options_1 & BIT_6) != 0;
3544                 ql_dbg(ql_dbg_init, vha, 0x00bc, "FA-WWPN Support: %s.\n",
3545                     (ha->flags.fawwpn_enabled) ? "enabled" : "disabled");
3546         }
3547
3548         rval = qla2x00_init_firmware(vha, ha->init_cb_size);
3549 next_check:
3550         if (rval) {
3551                 ql_log(ql_log_fatal, vha, 0x00d2,
3552                     "Init Firmware **** FAILED ****.\n");
3553         } else {
3554                 ql_dbg(ql_dbg_init, vha, 0x00d3,
3555                     "Init Firmware -- success.\n");
3556                 QLA_FW_STARTED(ha);
3557         }
3558
3559         return (rval);
3560 }
3561
3562 /**
3563  * qla2x00_fw_ready() - Waits for firmware ready.
3564  * @ha: HA context
3565  *
3566  * Returns 0 on success.
3567  */
3568 static int
3569 qla2x00_fw_ready(scsi_qla_host_t *vha)
3570 {
3571         int             rval;
3572         unsigned long   wtime, mtime, cs84xx_time;
3573         uint16_t        min_wait;       /* Minimum wait time if loop is down */
3574         uint16_t        wait_time;      /* Wait time if loop is coming ready */
3575         uint16_t        state[6];
3576         struct qla_hw_data *ha = vha->hw;
3577
3578         if (IS_QLAFX00(vha->hw))
3579                 return qlafx00_fw_ready(vha);
3580
3581         rval = QLA_SUCCESS;
3582
3583         /* Time to wait for loop down */
3584         if (IS_P3P_TYPE(ha))
3585                 min_wait = 30;
3586         else
3587                 min_wait = 20;
3588
3589         /*
3590          * Firmware should take at most one RATOV to login, plus 5 seconds for
3591          * our own processing.
3592          */
3593         if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
3594                 wait_time = min_wait;
3595         }
3596
3597         /* Min wait time if loop down */
3598         mtime = jiffies + (min_wait * HZ);
3599
3600         /* wait time before firmware ready */
3601         wtime = jiffies + (wait_time * HZ);
3602
3603         /* Wait for ISP to finish LIP */
3604         if (!vha->flags.init_done)
3605                 ql_log(ql_log_info, vha, 0x801e,
3606                     "Waiting for LIP to complete.\n");
3607
3608         do {
3609                 memset(state, -1, sizeof(state));
3610                 rval = qla2x00_get_firmware_state(vha, state);
3611                 if (rval == QLA_SUCCESS) {
3612                         if (state[0] < FSTATE_LOSS_OF_SYNC) {
3613                                 vha->device_flags &= ~DFLG_NO_CABLE;
3614                         }
3615                         if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) {
3616                                 ql_dbg(ql_dbg_taskm, vha, 0x801f,
3617                                     "fw_state=%x 84xx=%x.\n", state[0],
3618                                     state[2]);
3619                                 if ((state[2] & FSTATE_LOGGED_IN) &&
3620                                      (state[2] & FSTATE_WAITING_FOR_VERIFY)) {
3621                                         ql_dbg(ql_dbg_taskm, vha, 0x8028,
3622                                             "Sending verify iocb.\n");
3623
3624                                         cs84xx_time = jiffies;
3625                                         rval = qla84xx_init_chip(vha);
3626                                         if (rval != QLA_SUCCESS) {
3627                                                 ql_log(ql_log_warn,
3628                                                     vha, 0x8007,
3629                                                     "Init chip failed.\n");
3630                                                 break;
3631                                         }
3632
3633                                         /* Add time taken to initialize. */
3634                                         cs84xx_time = jiffies - cs84xx_time;
3635                                         wtime += cs84xx_time;
3636                                         mtime += cs84xx_time;
3637                                         ql_dbg(ql_dbg_taskm, vha, 0x8008,
3638                                             "Increasing wait time by %ld. "
3639                                             "New time %ld.\n", cs84xx_time,
3640                                             wtime);
3641                                 }
3642                         } else if (state[0] == FSTATE_READY) {
3643                                 ql_dbg(ql_dbg_taskm, vha, 0x8037,
3644                                     "F/W Ready - OK.\n");
3645
3646                                 qla2x00_get_retry_cnt(vha, &ha->retry_count,
3647                                     &ha->login_timeout, &ha->r_a_tov);
3648
3649                                 rval = QLA_SUCCESS;
3650                                 break;
3651                         }
3652
3653                         rval = QLA_FUNCTION_FAILED;
3654
3655                         if (atomic_read(&vha->loop_down_timer) &&
3656                             state[0] != FSTATE_READY) {
3657                                 /* Loop down. Timeout on min_wait for states
3658                                  * other than Wait for Login.
3659                                  */
3660                                 if (time_after_eq(jiffies, mtime)) {
3661                                         ql_log(ql_log_info, vha, 0x8038,
3662                                             "Cable is unplugged...\n");
3663
3664                                         vha->device_flags |= DFLG_NO_CABLE;
3665                                         break;
3666                                 }
3667                         }
3668                 } else {
3669                         /* Mailbox cmd failed. Timeout on min_wait. */
3670                         if (time_after_eq(jiffies, mtime) ||
3671                                 ha->flags.isp82xx_fw_hung)
3672                                 break;
3673                 }
3674
3675                 if (time_after_eq(jiffies, wtime))
3676                         break;
3677
3678                 /* Delay for a while */
3679                 msleep(500);
3680         } while (1);
3681
3682         ql_dbg(ql_dbg_taskm, vha, 0x803a,
3683             "fw_state=%x (%x, %x, %x, %x %x) curr time=%lx.\n", state[0],
3684             state[1], state[2], state[3], state[4], state[5], jiffies);
3685
3686         if (rval && !(vha->device_flags & DFLG_NO_CABLE)) {
3687                 ql_log(ql_log_warn, vha, 0x803b,
3688                     "Firmware ready **** FAILED ****.\n");
3689         }
3690
3691         return (rval);
3692 }
3693
3694 /*
3695 *  qla2x00_configure_hba
3696 *      Setup adapter context.
3697 *
3698 * Input:
3699 *      ha = adapter state pointer.
3700 *
3701 * Returns:
3702 *      0 = success
3703 *
3704 * Context:
3705 *      Kernel context.
3706 */
3707 static int
3708 qla2x00_configure_hba(scsi_qla_host_t *vha)
3709 {
3710         int       rval;
3711         uint16_t      loop_id;
3712         uint16_t      topo;
3713         uint16_t      sw_cap;
3714         uint8_t       al_pa;
3715         uint8_t       area;
3716         uint8_t       domain;
3717         char            connect_type[22];
3718         struct qla_hw_data *ha = vha->hw;
3719         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
3720         port_id_t id;
3721
3722         /* Get host addresses. */
3723         rval = qla2x00_get_adapter_id(vha,
3724             &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
3725         if (rval != QLA_SUCCESS) {
3726                 if (LOOP_TRANSITION(vha) || atomic_read(&ha->loop_down_timer) ||
3727                     IS_CNA_CAPABLE(ha) ||
3728                     (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
3729                         ql_dbg(ql_dbg_disc, vha, 0x2008,
3730                             "Loop is in a transition state.\n");
3731                 } else {
3732                         ql_log(ql_log_warn, vha, 0x2009,
3733                             "Unable to get host loop ID.\n");
3734                         if (IS_FWI2_CAPABLE(ha) && (vha == base_vha) &&
3735                             (rval == QLA_COMMAND_ERROR && loop_id == 0x1b)) {
3736                                 ql_log(ql_log_warn, vha, 0x1151,
3737                                     "Doing link init.\n");
3738                                 if (qla24xx_link_initialize(vha) == QLA_SUCCESS)
3739                                         return rval;
3740                         }
3741                         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
3742                 }
3743                 return (rval);
3744         }
3745
3746         if (topo == 4) {
3747                 ql_log(ql_log_info, vha, 0x200a,
3748                     "Cannot get topology - retrying.\n");
3749                 return (QLA_FUNCTION_FAILED);
3750         }
3751
3752         vha->loop_id = loop_id;
3753
3754         /* initialize */
3755         ha->min_external_loopid = SNS_FIRST_LOOP_ID;
3756         ha->operating_mode = LOOP;
3757         ha->switch_cap = 0;
3758
3759         switch (topo) {
3760         case 0:
3761                 ql_dbg(ql_dbg_disc, vha, 0x200b, "HBA in NL topology.\n");
3762                 ha->current_topology = ISP_CFG_NL;
3763                 strcpy(connect_type, "(Loop)");
3764                 break;
3765
3766         case 1:
3767                 ql_dbg(ql_dbg_disc, vha, 0x200c, "HBA in FL topology.\n");
3768                 ha->switch_cap = sw_cap;
3769                 ha->current_topology = ISP_CFG_FL;
3770                 strcpy(connect_type, "(FL_Port)");
3771                 break;
3772
3773         case 2:
3774                 ql_dbg(ql_dbg_disc, vha, 0x200d, "HBA in N P2P topology.\n");
3775                 ha->operating_mode = P2P;
3776                 ha->current_topology = ISP_CFG_N;
3777                 strcpy(connect_type, "(N_Port-to-N_Port)");
3778                 break;
3779
3780         case 3:
3781                 ql_dbg(ql_dbg_disc, vha, 0x200e, "HBA in F P2P topology.\n");
3782                 ha->switch_cap = sw_cap;
3783                 ha->operating_mode = P2P;
3784                 ha->current_topology = ISP_CFG_F;
3785                 strcpy(connect_type, "(F_Port)");
3786                 break;
3787
3788         default:
3789                 ql_dbg(ql_dbg_disc, vha, 0x200f,
3790                     "HBA in unknown topology %x, using NL.\n", topo);
3791                 ha->current_topology = ISP_CFG_NL;
3792                 strcpy(connect_type, "(Loop)");
3793                 break;
3794         }
3795
3796         /* Save Host port and loop ID. */
3797         /* byte order - Big Endian */
3798         id.b.domain = domain;
3799         id.b.area = area;
3800         id.b.al_pa = al_pa;
3801         id.b.rsvd_1 = 0;
3802         qlt_update_host_map(vha, id);
3803
3804         if (!vha->flags.init_done)
3805                 ql_log(ql_log_info, vha, 0x2010,
3806                     "Topology - %s, Host Loop address 0x%x.\n",
3807                     connect_type, vha->loop_id);
3808
3809         return(rval);
3810 }
3811
3812 inline void
3813 qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
3814         char *def)
3815 {
3816         char *st, *en;
3817         uint16_t index;
3818         struct qla_hw_data *ha = vha->hw;
3819         int use_tbl = !IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) &&
3820             !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha);
3821
3822         if (memcmp(model, BINZERO, len) != 0) {
3823                 strncpy(ha->model_number, model, len);
3824                 st = en = ha->model_number;
3825                 en += len - 1;
3826                 while (en > st) {
3827                         if (*en != 0x20 && *en != 0x00)
3828                                 break;
3829                         *en-- = '\0';
3830                 }
3831
3832                 index = (ha->pdev->subsystem_device & 0xff);
3833                 if (use_tbl &&
3834                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
3835                     index < QLA_MODEL_NAMES)
3836                         strncpy(ha->model_desc,
3837                             qla2x00_model_name[index * 2 + 1],
3838                             sizeof(ha->model_desc) - 1);
3839         } else {
3840                 index = (ha->pdev->subsystem_device & 0xff);
3841                 if (use_tbl &&
3842                     ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
3843                     index < QLA_MODEL_NAMES) {
3844                         strcpy(ha->model_number,
3845                             qla2x00_model_name[index * 2]);
3846                         strncpy(ha->model_desc,
3847                             qla2x00_model_name[index * 2 + 1],
3848                             sizeof(ha->model_desc) - 1);
3849                 } else {
3850                         strcpy(ha->model_number, def);
3851                 }
3852         }
3853         if (IS_FWI2_CAPABLE(ha))
3854                 qla2xxx_get_vpd_field(vha, "\x82", ha->model_desc,
3855                     sizeof(ha->model_desc));
3856 }
3857
3858 /* On sparc systems, obtain port and node WWN from firmware
3859  * properties.
3860  */
3861 static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, nvram_t *nv)
3862 {
3863 #ifdef CONFIG_SPARC
3864         struct qla_hw_data *ha = vha->hw;
3865         struct pci_dev *pdev = ha->pdev;
3866         struct device_node *dp = pci_device_to_OF_node(pdev);
3867         const u8 *val;
3868         int len;
3869
3870         val = of_get_property(dp, "port-wwn", &len);
3871         if (val && len >= WWN_SIZE)
3872                 memcpy(nv->port_name, val, WWN_SIZE);
3873
3874         val = of_get_property(dp, "node-wwn", &len);
3875         if (val && len >= WWN_SIZE)
3876                 memcpy(nv->node_name, val, WWN_SIZE);
3877 #endif
3878 }
3879
3880 /*
3881 * NVRAM configuration for ISP 2xxx
3882 *
3883 * Input:
3884 *      ha                = adapter block pointer.
3885 *
3886 * Output:
3887 *      initialization control block in response_ring
3888 *      host adapters parameters in host adapter block
3889 *
3890 * Returns:
3891 *      0 = success.
3892 */
3893 int
3894 qla2x00_nvram_config(scsi_qla_host_t *vha)
3895 {
3896         int             rval;
3897         uint8_t         chksum = 0;
3898         uint16_t        cnt;
3899         uint8_t         *dptr1, *dptr2;
3900         struct qla_hw_data *ha = vha->hw;
3901         init_cb_t       *icb = ha->init_cb;
3902         nvram_t         *nv = ha->nvram;
3903         uint8_t         *ptr = ha->nvram;
3904         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3905
3906         rval = QLA_SUCCESS;
3907
3908         /* Determine NVRAM starting address. */
3909         ha->nvram_size = sizeof(nvram_t);
3910         ha->nvram_base = 0;
3911         if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
3912                 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
3913                         ha->nvram_base = 0x80;
3914
3915         /* Get NVRAM data and calculate checksum. */
3916         ha->isp_ops->read_nvram(vha, ptr, ha->nvram_base, ha->nvram_size);
3917         for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
3918                 chksum += *ptr++;
3919
3920         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x010f,
3921             "Contents of NVRAM.\n");
3922         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0110,
3923             (uint8_t *)nv, ha->nvram_size);
3924
3925         /* Bad NVRAM data, set defaults parameters. */
3926         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
3927             nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
3928                 /* Reset NVRAM data. */
3929                 ql_log(ql_log_warn, vha, 0x0064,
3930                     "Inconsistent NVRAM "
3931                     "detected: checksum=0x%x id=%c version=0x%x.\n",
3932                     chksum, nv->id[0], nv->nvram_version);
3933                 ql_log(ql_log_warn, vha, 0x0065,
3934                     "Falling back to "
3935                     "functioning (yet invalid -- WWPN) defaults.\n");
3936
3937                 /*
3938                  * Set default initialization control block.
3939                  */
3940                 memset(nv, 0, ha->nvram_size);
3941                 nv->parameter_block_version = ICB_VERSION;
3942
3943                 if (IS_QLA23XX(ha)) {
3944                         nv->firmware_options[0] = BIT_2 | BIT_1;
3945                         nv->firmware_options[1] = BIT_7 | BIT_5;
3946                         nv->add_firmware_options[0] = BIT_5;
3947                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
3948                         nv->frame_payload_size = 2048;
3949                         nv->special_options[1] = BIT_7;
3950                 } else if (IS_QLA2200(ha)) {
3951                         nv->firmware_options[0] = BIT_2 | BIT_1;
3952                         nv->firmware_options[1] = BIT_7 | BIT_5;
3953                         nv->add_firmware_options[0] = BIT_5;
3954                         nv->add_firmware_options[1] = BIT_5 | BIT_4;
3955                         nv->frame_payload_size = 1024;
3956                 } else if (IS_QLA2100(ha)) {
3957                         nv->firmware_options[0] = BIT_3 | BIT_1;
3958                         nv->firmware_options[1] = BIT_5;
3959                         nv->frame_payload_size = 1024;
3960                 }
3961
3962                 nv->max_iocb_allocation = cpu_to_le16(256);
3963                 nv->execution_throttle = cpu_to_le16(16);
3964                 nv->retry_count = 8;
3965                 nv->retry_delay = 1;
3966
3967                 nv->port_name[0] = 33;
3968                 nv->port_name[3] = 224;
3969                 nv->port_name[4] = 139;
3970
3971                 qla2xxx_nvram_wwn_from_ofw(vha, nv);
3972
3973                 nv->login_timeout = 4;
3974
3975                 /*
3976                  * Set default host adapter parameters
3977                  */
3978                 nv->host_p[1] = BIT_2;
3979                 nv->reset_delay = 5;
3980                 nv->port_down_retry_count = 8;
3981                 nv->max_luns_per_target = cpu_to_le16(8);
3982                 nv->link_down_timeout = 60;
3983
3984                 rval = 1;
3985         }
3986
3987 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
3988         /*
3989          * The SN2 does not provide BIOS emulation which means you can't change
3990          * potentially bogus BIOS settings. Force the use of default settings
3991          * for link rate and frame size.  Hope that the rest of the settings
3992          * are valid.
3993          */
3994         if (ia64_platform_is("sn2")) {
3995                 nv->frame_payload_size = 2048;
3996                 if (IS_QLA23XX(ha))
3997                         nv->special_options[1] = BIT_7;
3998         }
3999 #endif
4000
4001         /* Reset Initialization control block */
4002         memset(icb, 0, ha->init_cb_size);
4003
4004         /*
4005          * Setup driver NVRAM options.
4006          */
4007         nv->firmware_options[0] |= (BIT_6 | BIT_1);
4008         nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
4009         nv->firmware_options[1] |= (BIT_5 | BIT_0);
4010         nv->firmware_options[1] &= ~BIT_4;
4011
4012         if (IS_QLA23XX(ha)) {
4013                 nv->firmware_options[0] |= BIT_2;
4014                 nv->firmware_options[0] &= ~BIT_3;
4015                 nv->special_options[0] &= ~BIT_6;
4016                 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
4017
4018                 if (IS_QLA2300(ha)) {
4019                         if (ha->fb_rev == FPM_2310) {
4020                                 strcpy(ha->model_number, "QLA2310");
4021                         } else {
4022                                 strcpy(ha->model_number, "QLA2300");
4023                         }
4024                 } else {
4025                         qla2x00_set_model_info(vha, nv->model_number,
4026                             sizeof(nv->model_number), "QLA23xx");
4027                 }
4028         } else if (IS_QLA2200(ha)) {
4029                 nv->firmware_options[0] |= BIT_2;
4030                 /*
4031                  * 'Point-to-point preferred, else loop' is not a safe
4032                  * connection mode setting.
4033                  */
4034                 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
4035                     (BIT_5 | BIT_4)) {
4036                         /* Force 'loop preferred, else point-to-point'. */
4037                         nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
4038                         nv->add_firmware_options[0] |= BIT_5;
4039                 }
4040                 strcpy(ha->model_number, "QLA22xx");
4041         } else /*if (IS_QLA2100(ha))*/ {
4042                 strcpy(ha->model_number, "QLA2100");
4043         }
4044
4045         /*
4046          * Copy over NVRAM RISC parameter block to initialization control block.
4047          */
4048         dptr1 = (uint8_t *)icb;
4049         dptr2 = (uint8_t *)&nv->parameter_block_version;
4050         cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
4051         while (cnt--)
4052                 *dptr1++ = *dptr2++;
4053
4054         /* Copy 2nd half. */
4055         dptr1 = (uint8_t *)icb->add_firmware_options;
4056         cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
4057         while (cnt--)
4058                 *dptr1++ = *dptr2++;
4059
4060         /* Use alternate WWN? */
4061         if (nv->host_p[1] & BIT_7) {
4062                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
4063                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
4064         }
4065
4066         /* Prepare nodename */
4067         if ((icb->firmware_options[1] & BIT_6) == 0) {
4068                 /*
4069                  * Firmware will apply the following mask if the nodename was
4070                  * not provided.
4071                  */
4072                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
4073                 icb->node_name[0] &= 0xF0;
4074         }
4075
4076         /*
4077          * Set host adapter parameters.
4078          */
4079
4080         /*
4081          * BIT_7 in the host-parameters section allows for modification to
4082          * internal driver logging.
4083          */
4084         if (nv->host_p[0] & BIT_7)
4085                 ql2xextended_error_logging = QL_DBG_DEFAULT1_MASK;
4086         ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
4087         /* Always load RISC code on non ISP2[12]00 chips. */
4088         if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
4089                 ha->flags.disable_risc_code_load = 0;
4090         ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
4091         ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
4092         ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
4093         ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
4094         ha->flags.disable_serdes = 0;
4095
4096         ha->operating_mode =
4097             (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
4098
4099         memcpy(ha->fw_seriallink_options, nv->seriallink_options,
4100             sizeof(ha->fw_seriallink_options));
4101
4102         /* save HBA serial number */
4103         ha->serial0 = icb->port_name[5];
4104         ha->serial1 = icb->port_name[6];
4105         ha->serial2 = icb->port_name[7];
4106         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
4107         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
4108
4109         icb->execution_throttle = cpu_to_le16(0xFFFF);
4110
4111         ha->retry_count = nv->retry_count;
4112
4113         /* Set minimum login_timeout to 4 seconds. */
4114         if (nv->login_timeout != ql2xlogintimeout)
4115                 nv->login_timeout = ql2xlogintimeout;
4116         if (nv->login_timeout < 4)
4117                 nv->login_timeout = 4;
4118         ha->login_timeout = nv->login_timeout;
4119
4120         /* Set minimum RATOV to 100 tenths of a second. */
4121         ha->r_a_tov = 100;
4122
4123         ha->loop_reset_delay = nv->reset_delay;
4124
4125         /* Link Down Timeout = 0:
4126          *
4127          *      When Port Down timer expires we will start returning
4128          *      I/O's to OS with "DID_NO_CONNECT".
4129          *
4130          * Link Down Timeout != 0:
4131          *
4132          *       The driver waits for the link to come up after link down
4133          *       before returning I/Os to OS with "DID_NO_CONNECT".
4134          */
4135         if (nv->link_down_timeout == 0) {
4136                 ha->loop_down_abort_time =
4137                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
4138         } else {
4139                 ha->link_down_timeout =  nv->link_down_timeout;
4140                 ha->loop_down_abort_time =
4141                     (LOOP_DOWN_TIME - ha->link_down_timeout);
4142         }
4143
4144         /*
4145          * Need enough time to try and get the port back.
4146          */
4147         ha->port_down_retry_count = nv->port_down_retry_count;
4148         if (qlport_down_retry)
4149                 ha->port_down_retry_count = qlport_down_retry;
4150         /* Set login_retry_count */
4151         ha->login_retry_count  = nv->retry_count;
4152         if (ha->port_down_retry_count == nv->port_down_retry_count &&
4153             ha->port_down_retry_count > 3)
4154                 ha->login_retry_count = ha->port_down_retry_count;
4155         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
4156                 ha->login_retry_count = ha->port_down_retry_count;
4157         if (ql2xloginretrycount)
4158                 ha->login_retry_count = ql2xloginretrycount;
4159
4160         icb->lun_enables = cpu_to_le16(0);
4161         icb->command_resource_count = 0;
4162         icb->immediate_notify_resource_count = 0;
4163         icb->timeout = cpu_to_le16(0);
4164
4165         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
4166                 /* Enable RIO */
4167                 icb->firmware_options[0] &= ~BIT_3;
4168                 icb->add_firmware_options[0] &=
4169                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
4170                 icb->add_firmware_options[0] |= BIT_2;
4171                 icb->response_accumulation_timer = 3;
4172                 icb->interrupt_delay_timer = 5;
4173
4174                 vha->flags.process_response_queue = 1;
4175         } else {
4176                 /* Enable ZIO. */
4177                 if (!vha->flags.init_done) {
4178                         ha->zio_mode = icb->add_firmware_options[0] &
4179                             (BIT_3 | BIT_2 | BIT_1 | BIT_0);
4180                         ha->zio_timer = icb->interrupt_delay_timer ?
4181                             icb->interrupt_delay_timer: 2;
4182                 }
4183                 icb->add_firmware_options[0] &=
4184                     ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
4185                 vha->flags.process_response_queue = 0;
4186                 if (ha->zio_mode != QLA_ZIO_DISABLED) {
4187                         ha->zio_mode = QLA_ZIO_MODE_6;
4188
4189                         ql_log(ql_log_info, vha, 0x0068,
4190                             "ZIO mode %d enabled; timer delay (%d us).\n",
4191                             ha->zio_mode, ha->zio_timer * 100);
4192
4193                         icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
4194                         icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
4195                         vha->flags.process_response_queue = 1;
4196                 }
4197         }
4198
4199         if (rval) {
4200                 ql_log(ql_log_warn, vha, 0x0069,
4201                     "NVRAM configuration failed.\n");
4202         }
4203         return (rval);
4204 }
4205
4206 static void
4207 qla2x00_rport_del(void *data)
4208 {
4209         fc_port_t *fcport = data;
4210         struct fc_rport *rport;
4211         unsigned long flags;
4212
4213         spin_lock_irqsave(fcport->vha->host->host_lock, flags);
4214         rport = fcport->drport ? fcport->drport: fcport->rport;
4215         fcport->drport = NULL;
4216         spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
4217         if (rport) {
4218                 ql_dbg(ql_dbg_disc, fcport->vha, 0x210b,
4219                     "%s %8phN. rport %p roles %x\n",
4220                     __func__, fcport->port_name, rport,
4221                     rport->roles);
4222
4223                 fc_remote_port_delete(rport);
4224         }
4225 }
4226
4227 /**
4228  * qla2x00_alloc_fcport() - Allocate a generic fcport.
4229  * @ha: HA context
4230  * @flags: allocation flags
4231  *
4232  * Returns a pointer to the allocated fcport, or NULL, if none available.
4233  */
4234 fc_port_t *
4235 qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags)
4236 {
4237         fc_port_t *fcport;
4238
4239         fcport = kzalloc(sizeof(fc_port_t), flags);
4240         if (!fcport)
4241                 return NULL;
4242
4243         /* Setup fcport template structure. */
4244         fcport->vha = vha;
4245         fcport->port_type = FCT_UNKNOWN;
4246         fcport->loop_id = FC_NO_LOOP_ID;
4247         qla2x00_set_fcport_state(fcport, FCS_UNCONFIGURED);
4248         fcport->supported_classes = FC_COS_UNSPECIFIED;
4249
4250         fcport->ct_desc.ct_sns = dma_alloc_coherent(&vha->hw->pdev->dev,
4251                 sizeof(struct ct_sns_pkt), &fcport->ct_desc.ct_sns_dma,
4252                 flags);
4253         fcport->disc_state = DSC_DELETED;
4254         fcport->fw_login_state = DSC_LS_PORT_UNAVAIL;
4255         fcport->deleted = QLA_SESS_DELETED;
4256         fcport->login_retry = vha->hw->login_retry_count;
4257         fcport->login_retry = 5;
4258         fcport->logout_on_delete = 1;
4259
4260         if (!fcport->ct_desc.ct_sns) {
4261                 ql_log(ql_log_warn, vha, 0xd049,
4262                     "Failed to allocate ct_sns request.\n");
4263                 kfree(fcport);
4264                 fcport = NULL;
4265         }
4266         INIT_WORK(&fcport->del_work, qla24xx_delete_sess_fn);
4267         INIT_LIST_HEAD(&fcport->gnl_entry);
4268         INIT_LIST_HEAD(&fcport->list);
4269
4270         return fcport;
4271 }
4272
4273 void
4274 qla2x00_free_fcport(fc_port_t *fcport)
4275 {
4276         if (fcport->ct_desc.ct_sns) {
4277                 dma_free_coherent(&fcport->vha->hw->pdev->dev,
4278                         sizeof(struct ct_sns_pkt), fcport->ct_desc.ct_sns,
4279                         fcport->ct_desc.ct_sns_dma);
4280
4281                 fcport->ct_desc.ct_sns = NULL;
4282         }
4283         kfree(fcport);
4284 }
4285
4286 /*
4287  * qla2x00_configure_loop
4288  *      Updates Fibre Channel Device Database with what is actually on loop.
4289  *
4290  * Input:
4291  *      ha                = adapter block pointer.
4292  *
4293  * Returns:
4294  *      0 = success.
4295  *      1 = error.
4296  *      2 = database was full and device was not configured.
4297  */
4298 static int
4299 qla2x00_configure_loop(scsi_qla_host_t *vha)
4300 {
4301         int  rval;
4302         unsigned long flags, save_flags;
4303         struct qla_hw_data *ha = vha->hw;
4304         rval = QLA_SUCCESS;
4305
4306         /* Get Initiator ID */
4307         if (test_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags)) {
4308                 rval = qla2x00_configure_hba(vha);
4309                 if (rval != QLA_SUCCESS) {
4310                         ql_dbg(ql_dbg_disc, vha, 0x2013,
4311                             "Unable to configure HBA.\n");
4312                         return (rval);
4313                 }
4314         }
4315
4316         save_flags = flags = vha->dpc_flags;
4317         ql_dbg(ql_dbg_disc, vha, 0x2014,
4318             "Configure loop -- dpc flags = 0x%lx.\n", flags);
4319
4320         /*
4321          * If we have both an RSCN and PORT UPDATE pending then handle them
4322          * both at the same time.
4323          */
4324         clear_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
4325         clear_bit(RSCN_UPDATE, &vha->dpc_flags);
4326
4327         qla2x00_get_data_rate(vha);
4328
4329         /* Determine what we need to do */
4330         if (ha->current_topology == ISP_CFG_FL &&
4331             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
4332
4333                 set_bit(RSCN_UPDATE, &flags);
4334
4335         } else if (ha->current_topology == ISP_CFG_F &&
4336             (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
4337
4338                 set_bit(RSCN_UPDATE, &flags);
4339                 clear_bit(LOCAL_LOOP_UPDATE, &flags);
4340
4341         } else if (ha->current_topology == ISP_CFG_N) {
4342                 clear_bit(RSCN_UPDATE, &flags);
4343         } else if (ha->current_topology == ISP_CFG_NL) {
4344                 clear_bit(RSCN_UPDATE, &flags);
4345                 set_bit(LOCAL_LOOP_UPDATE, &flags);
4346         } else if (!vha->flags.online ||
4347             (test_bit(ABORT_ISP_ACTIVE, &flags))) {
4348                 set_bit(RSCN_UPDATE, &flags);
4349                 set_bit(LOCAL_LOOP_UPDATE, &flags);
4350         }
4351
4352         if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
4353                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
4354                         ql_dbg(ql_dbg_disc, vha, 0x2015,
4355                             "Loop resync needed, failing.\n");
4356                         rval = QLA_FUNCTION_FAILED;
4357                 } else
4358                         rval = qla2x00_configure_local_loop(vha);
4359         }
4360
4361         if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
4362                 if (LOOP_TRANSITION(vha)) {
4363                         ql_dbg(ql_dbg_disc, vha, 0x2099,
4364                             "Needs RSCN update and loop transition.\n");
4365                         rval = QLA_FUNCTION_FAILED;
4366                 }
4367                 else
4368                         rval = qla2x00_configure_fabric(vha);
4369         }
4370
4371         if (rval == QLA_SUCCESS) {
4372                 if (atomic_read(&vha->loop_down_timer) ||
4373                     test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
4374                         rval = QLA_FUNCTION_FAILED;
4375                 } else {
4376                         atomic_set(&vha->loop_state, LOOP_READY);
4377                         ql_dbg(ql_dbg_disc, vha, 0x2069,
4378                             "LOOP READY.\n");
4379                         ha->flags.fw_init_done = 1;
4380
4381                         /*
4382                          * Process any ATIO queue entries that came in
4383                          * while we weren't online.
4384                          */
4385                         if (qla_tgt_mode_enabled(vha) ||
4386                             qla_dual_mode_enabled(vha)) {
4387                                 if (IS_QLA27XX(ha) || IS_QLA83XX(ha)) {
4388                                         spin_lock_irqsave(&ha->tgt.atio_lock,
4389                                             flags);
4390                                         qlt_24xx_process_atio_queue(vha, 0);
4391                                         spin_unlock_irqrestore(
4392                                             &ha->tgt.atio_lock, flags);
4393                                 } else {
4394                                         spin_lock_irqsave(&ha->hardware_lock,
4395                                             flags);
4396                                         qlt_24xx_process_atio_queue(vha, 1);
4397                                         spin_unlock_irqrestore(
4398                                             &ha->hardware_lock, flags);
4399                                 }
4400                         }
4401                 }
4402         }
4403
4404         if (rval) {
4405                 ql_dbg(ql_dbg_disc, vha, 0x206a,
4406                     "%s *** FAILED ***.\n", __func__);
4407         } else {
4408                 ql_dbg(ql_dbg_disc, vha, 0x206b,
4409                     "%s: exiting normally.\n", __func__);
4410         }
4411
4412         /* Restore state if a resync event occurred during processing */
4413         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
4414                 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
4415                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
4416                 if (test_bit(RSCN_UPDATE, &save_flags)) {
4417                         set_bit(RSCN_UPDATE, &vha->dpc_flags);
4418                 }
4419         }
4420
4421         return (rval);
4422 }
4423
4424 /*
4425  * N2N Login
4426  *      Updates Fibre Channel Device Database with local loop devices.
4427  *
4428  * Input:
4429  *      ha = adapter block pointer.
4430  *
4431  * Returns:
4432  */
4433 static int qla24xx_n2n_handle_login(struct scsi_qla_host *vha,
4434                                     fc_port_t *fcport)
4435 {
4436         struct qla_hw_data *ha = vha->hw;
4437         int     res = QLA_SUCCESS, rval;
4438         int     greater_wwpn = 0;
4439         int     logged_in = 0;
4440
4441         if (ha->current_topology != ISP_CFG_N)
4442                 return res;
4443
4444         if (wwn_to_u64(vha->port_name) >
4445             wwn_to_u64(vha->n2n_port_name)) {
4446                 ql_dbg(ql_dbg_disc, vha, 0x2002,
4447                     "HBA WWPN is greater %llx > target %llx\n",
4448                     wwn_to_u64(vha->port_name),
4449                     wwn_to_u64(vha->n2n_port_name));
4450                 greater_wwpn = 1;
4451                 fcport->d_id.b24 = vha->n2n_id;
4452         }
4453
4454         fcport->loop_id = vha->loop_id;
4455         fcport->fc4f_nvme = 0;
4456         fcport->query = 1;
4457
4458         ql_dbg(ql_dbg_disc, vha, 0x4001,
4459             "Initiate N2N login handler: HBA port_id=%06x loopid=%d\n",
4460             fcport->d_id.b24, vha->loop_id);
4461
4462         /* Fill in member data. */
4463         if (!greater_wwpn) {
4464                 rval = qla2x00_get_port_database(vha, fcport, 0);
4465                 ql_dbg(ql_dbg_disc, vha, 0x1051,
4466                     "Remote login-state (%x/%x) port_id=%06x loop_id=%x, rval=%d\n",
4467                     fcport->current_login_state, fcport->last_login_state,
4468                     fcport->d_id.b24, fcport->loop_id, rval);
4469
4470                 if (((fcport->current_login_state & 0xf) == 0x4) ||
4471                     ((fcport->current_login_state & 0xf) == 0x6))
4472                         logged_in = 1;
4473         }
4474
4475         if (logged_in || greater_wwpn) {
4476                 if (!vha->nvme_local_port && vha->flags.nvme_enabled)
4477                         qla_nvme_register_hba(vha);
4478
4479                 /* Set connected N_Port d_id */
4480                 if (vha->flags.nvme_enabled)
4481                         fcport->fc4f_nvme = 1;
4482
4483                 fcport->scan_state = QLA_FCPORT_FOUND;
4484                 fcport->fw_login_state = DSC_LS_PORT_UNAVAIL;
4485                 fcport->disc_state = DSC_GNL;
4486                 fcport->n2n_flag = 1;
4487                 fcport->flags = 3;
4488                 vha->hw->flags.gpsc_supported = 0;
4489
4490                 if (greater_wwpn) {
4491                         ql_dbg(ql_dbg_disc, vha, 0x20e5,
4492                             "%s %d PLOGI ELS %8phC\n",
4493                             __func__, __LINE__, fcport->port_name);
4494
4495                         res = qla24xx_els_dcmd2_iocb(vha, ELS_DCMD_PLOGI,
4496                             fcport, fcport->d_id);
4497                 }
4498
4499                 if (res != QLA_SUCCESS) {
4500                         ql_log(ql_log_info, vha, 0xd04d,
4501                             "PLOGI Failed: portid=%06x - retrying\n",
4502                             fcport->d_id.b24);
4503                         res = QLA_SUCCESS;
4504                 } else {
4505                         /* State 0x6 means FCP PRLI complete */
4506                         if ((fcport->current_login_state & 0xf) == 0x6) {
4507                                 ql_dbg(ql_dbg_disc, vha, 0x2118,
4508                                     "%s %d %8phC post GPDB work\n",
4509                                     __func__, __LINE__, fcport->port_name);
4510                                 fcport->chip_reset =
4511                                     vha->hw->base_qpair->chip_reset;
4512                                 qla24xx_post_gpdb_work(vha, fcport, 0);
4513                         } else {
4514                                 ql_dbg(ql_dbg_disc, vha, 0x2118,
4515                                     "%s %d %8phC post NVMe PRLI\n",
4516                                     __func__, __LINE__, fcport->port_name);
4517                                 qla24xx_post_prli_work(vha, fcport);
4518                         }
4519                 }
4520         } else {
4521                 /* Wait for next database change */
4522                 set_bit(N2N_LOGIN_NEEDED, &vha->dpc_flags);
4523         }
4524
4525         return res;
4526 }
4527
4528 /*
4529  * qla2x00_configure_local_loop
4530  *      Updates Fibre Channel Device Database with local loop devices.
4531  *
4532  * Input:
4533  *      ha = adapter block pointer.
4534  *
4535  * Returns:
4536  *      0 = success.
4537  */
4538 static int
4539 qla2x00_configure_local_loop(scsi_qla_host_t *vha)
4540 {
4541         int             rval, rval2;
4542         int             found_devs;
4543         int             found;
4544         fc_port_t       *fcport, *new_fcport;
4545
4546         uint16_t        index;
4547         uint16_t        entries;
4548         char            *id_iter;
4549         uint16_t        loop_id;
4550         uint8_t         domain, area, al_pa;
4551         struct qla_hw_data *ha = vha->hw;
4552         unsigned long flags;
4553
4554         found_devs = 0;
4555         new_fcport = NULL;
4556         entries = MAX_FIBRE_DEVICES_LOOP;
4557
4558         /* Get list of logged in devices. */
4559         memset(ha->gid_list, 0, qla2x00_gid_list_size(ha));
4560         rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma,
4561             &entries);
4562         if (rval != QLA_SUCCESS)
4563                 goto cleanup_allocation;
4564
4565         ql_dbg(ql_dbg_disc, vha, 0x2011,
4566             "Entries in ID list (%d).\n", entries);
4567         ql_dump_buffer(ql_dbg_disc + ql_dbg_buffer, vha, 0x2075,
4568             (uint8_t *)ha->gid_list,
4569             entries * sizeof(struct gid_list_info));
4570
4571         /* Allocate temporary fcport for any new fcports discovered. */
4572         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
4573         if (new_fcport == NULL) {
4574                 ql_log(ql_log_warn, vha, 0x2012,
4575                     "Memory allocation failed for fcport.\n");
4576                 rval = QLA_MEMORY_ALLOC_FAILED;
4577                 goto cleanup_allocation;
4578         }
4579         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
4580
4581         /*
4582          * Mark local devices that were present with FCF_DEVICE_LOST for now.
4583          */
4584         list_for_each_entry(fcport, &vha->vp_fcports, list) {
4585                 if (atomic_read(&fcport->state) == FCS_ONLINE &&
4586                     fcport->port_type != FCT_BROADCAST &&
4587                     (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
4588
4589                         ql_dbg(ql_dbg_disc, vha, 0x2096,
4590                             "Marking port lost loop_id=0x%04x.\n",
4591                             fcport->loop_id);
4592
4593                         qla2x00_mark_device_lost(vha, fcport, 0, 0);
4594                 }
4595         }
4596
4597         /* Inititae N2N login. */
4598         if (test_and_clear_bit(N2N_LOGIN_NEEDED, &vha->dpc_flags)) {
4599                 rval = qla24xx_n2n_handle_login(vha, new_fcport);
4600                 if (rval != QLA_SUCCESS)
4601                         goto cleanup_allocation;
4602                 return QLA_SUCCESS;
4603         }
4604
4605         /* Add devices to port list. */
4606         id_iter = (char *)ha->gid_list;
4607         for (index = 0; index < entries; index++) {
4608                 domain = ((struct gid_list_info *)id_iter)->domain;
4609                 area = ((struct gid_list_info *)id_iter)->area;
4610                 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
4611                 if (IS_QLA2100(ha) || IS_QLA2200(ha))
4612                         loop_id = (uint16_t)
4613                             ((struct gid_list_info *)id_iter)->loop_id_2100;
4614                 else
4615                         loop_id = le16_to_cpu(
4616                             ((struct gid_list_info *)id_iter)->loop_id);
4617                 id_iter += ha->gid_list_info_size;
4618
4619                 /* Bypass reserved domain fields. */
4620                 if ((domain & 0xf0) == 0xf0)
4621                         continue;
4622
4623                 /* Bypass if not same domain and area of adapter. */
4624                 if (area && domain &&
4625                     (area != vha->d_id.b.area || domain != vha->d_id.b.domain))
4626                         continue;
4627
4628                 /* Bypass invalid local loop ID. */
4629                 if (loop_id > LAST_LOCAL_LOOP_ID)
4630                         continue;
4631
4632                 memset(new_fcport->port_name, 0, WWN_SIZE);
4633
4634                 /* Fill in member data. */
4635                 new_fcport->d_id.b.domain = domain;
4636                 new_fcport->d_id.b.area = area;
4637                 new_fcport->d_id.b.al_pa = al_pa;
4638                 new_fcport->loop_id = loop_id;
4639
4640                 rval2 = qla2x00_get_port_database(vha, new_fcport, 0);
4641                 if (rval2 != QLA_SUCCESS) {
4642                         ql_dbg(ql_dbg_disc, vha, 0x2097,
4643                             "Failed to retrieve fcport information "
4644                             "-- get_port_database=%x, loop_id=0x%04x.\n",
4645                             rval2, new_fcport->loop_id);
4646                         /* Skip retry if N2N */
4647                         if (ha->current_topology != ISP_CFG_N) {
4648                                 ql_dbg(ql_dbg_disc, vha, 0x2105,
4649                                     "Scheduling resync.\n");
4650                                 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4651                                 continue;
4652                         }
4653                 }
4654
4655                 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
4656                 /* Check for matching device in port list. */
4657                 found = 0;
4658                 fcport = NULL;
4659                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
4660                         if (memcmp(new_fcport->port_name, fcport->port_name,
4661                             WWN_SIZE))
4662                                 continue;
4663
4664                         fcport->flags &= ~FCF_FABRIC_DEVICE;
4665                         fcport->loop_id = new_fcport->loop_id;
4666                         fcport->port_type = new_fcport->port_type;
4667                         fcport->d_id.b24 = new_fcport->d_id.b24;
4668                         memcpy(fcport->node_name, new_fcport->node_name,
4669                             WWN_SIZE);
4670
4671                         if (!fcport->login_succ) {
4672                                 vha->fcport_count++;
4673                                 fcport->login_succ = 1;
4674                                 fcport->disc_state = DSC_LOGIN_COMPLETE;
4675                         }
4676
4677                         found++;
4678                         break;
4679                 }
4680
4681                 if (!found) {
4682                         /* New device, add to fcports list. */
4683                         list_add_tail(&new_fcport->list, &vha->vp_fcports);
4684
4685                         /* Allocate a new replacement fcport. */
4686                         fcport = new_fcport;
4687                         if (!fcport->login_succ) {
4688                                 vha->fcport_count++;
4689                                 fcport->login_succ = 1;
4690                                 fcport->disc_state = DSC_LOGIN_COMPLETE;
4691                         }
4692
4693                         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
4694
4695                         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
4696
4697                         if (new_fcport == NULL) {
4698                                 ql_log(ql_log_warn, vha, 0xd031,
4699                                     "Failed to allocate memory for fcport.\n");
4700                                 rval = QLA_MEMORY_ALLOC_FAILED;
4701                                 goto cleanup_allocation;
4702                         }
4703                         spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
4704                         new_fcport->flags &= ~FCF_FABRIC_DEVICE;
4705                 }
4706
4707                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
4708
4709                 /* Base iIDMA settings on HBA port speed. */
4710                 fcport->fp_speed = ha->link_data_rate;
4711
4712                 qla2x00_update_fcport(vha, fcport);
4713
4714                 found_devs++;
4715         }
4716
4717 cleanup_allocation:
4718         kfree(new_fcport);
4719
4720         if (rval != QLA_SUCCESS) {
4721                 ql_dbg(ql_dbg_disc, vha, 0x2098,
4722                     "Configure local loop error exit: rval=%x.\n", rval);
4723         }
4724
4725         return (rval);
4726 }
4727
4728 static void
4729 qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
4730 {
4731         int rval;
4732         uint16_t mb[MAILBOX_REGISTER_COUNT];
4733         struct qla_hw_data *ha = vha->hw;
4734
4735         if (!IS_IIDMA_CAPABLE(ha))
4736                 return;
4737
4738         if (atomic_read(&fcport->state) != FCS_ONLINE)
4739                 return;
4740
4741         if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
4742             fcport->fp_speed > ha->link_data_rate)
4743                 return;
4744
4745         rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,
4746             mb);
4747         if (rval != QLA_SUCCESS) {
4748                 ql_dbg(ql_dbg_disc, vha, 0x2004,
4749                     "Unable to adjust iIDMA %8phN -- %04x %x %04x %04x.\n",
4750                     fcport->port_name, rval, fcport->fp_speed, mb[0], mb[1]);
4751         } else {
4752                 ql_dbg(ql_dbg_disc, vha, 0x2005,
4753                     "iIDMA adjusted to %s GB/s on %8phN.\n",
4754                     qla2x00_get_link_speed_str(ha, fcport->fp_speed),
4755                     fcport->port_name);
4756         }
4757 }
4758
4759 /* qla2x00_reg_remote_port is reserved for Initiator Mode only.*/
4760 static void
4761 qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
4762 {
4763         struct fc_rport_identifiers rport_ids;
4764         struct fc_rport *rport;
4765         unsigned long flags;
4766
4767         rport_ids.node_name = wwn_to_u64(fcport->node_name);
4768         rport_ids.port_name = wwn_to_u64(fcport->port_name);
4769         rport_ids.port_id = fcport->d_id.b.domain << 16 |
4770             fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
4771         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
4772         fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids);
4773         if (!rport) {
4774                 ql_log(ql_log_warn, vha, 0x2006,
4775                     "Unable to allocate fc remote port.\n");
4776                 return;
4777         }
4778
4779         spin_lock_irqsave(fcport->vha->host->host_lock, flags);
4780         *((fc_port_t **)rport->dd_data) = fcport;
4781         spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
4782
4783         rport->supported_classes = fcport->supported_classes;
4784
4785         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
4786         if (fcport->port_type == FCT_INITIATOR)
4787                 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
4788         if (fcport->port_type == FCT_TARGET)
4789                 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
4790
4791         ql_dbg(ql_dbg_disc, vha, 0x20ee,
4792             "%s %8phN. rport %p is %s mode\n",
4793             __func__, fcport->port_name, rport,
4794             (fcport->port_type == FCT_TARGET) ? "tgt" : "ini");
4795
4796         fc_remote_port_rolechg(rport, rport_ids.roles);
4797 }
4798
4799 /*
4800  * qla2x00_update_fcport
4801  *      Updates device on list.
4802  *
4803  * Input:
4804  *      ha = adapter block pointer.
4805  *      fcport = port structure pointer.
4806  *
4807  * Return:
4808  *      0  - Success
4809  *  BIT_0 - error
4810  *
4811  * Context:
4812  *      Kernel context.
4813  */
4814 void
4815 qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
4816 {
4817         fcport->vha = vha;
4818
4819         if (IS_SW_RESV_ADDR(fcport->d_id))
4820                 return;
4821
4822         ql_dbg(ql_dbg_disc, vha, 0x20ef, "%s %8phC\n",
4823             __func__, fcport->port_name);
4824
4825         if (IS_QLAFX00(vha->hw)) {
4826                 qla2x00_set_fcport_state(fcport, FCS_ONLINE);
4827                 goto reg_port;
4828         }
4829         fcport->login_retry = 0;
4830         fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
4831         fcport->disc_state = DSC_LOGIN_COMPLETE;
4832         fcport->deleted = 0;
4833         fcport->logout_on_delete = 1;
4834
4835         if (fcport->fc4f_nvme) {
4836                 qla_nvme_register_remote(vha, fcport);
4837                 return;
4838         }
4839
4840         qla2x00_set_fcport_state(fcport, FCS_ONLINE);
4841         qla2x00_iidma_fcport(vha, fcport);
4842         qla24xx_update_fcport_fcp_prio(vha, fcport);
4843
4844 reg_port:
4845         switch (vha->host->active_mode) {
4846         case MODE_INITIATOR:
4847                 qla2x00_reg_remote_port(vha, fcport);
4848                 break;
4849         case MODE_TARGET:
4850                 if (!vha->vha_tgt.qla_tgt->tgt_stop &&
4851                         !vha->vha_tgt.qla_tgt->tgt_stopped)
4852                         qlt_fc_port_added(vha, fcport);
4853                 break;
4854         case MODE_DUAL:
4855                 qla2x00_reg_remote_port(vha, fcport);
4856                 if (!vha->vha_tgt.qla_tgt->tgt_stop &&
4857                         !vha->vha_tgt.qla_tgt->tgt_stopped)
4858                         qlt_fc_port_added(vha, fcport);
4859                 break;
4860         default:
4861                 break;
4862         }
4863 }
4864
4865 /*
4866  * qla2x00_configure_fabric
4867  *      Setup SNS devices with loop ID's.
4868  *
4869  * Input:
4870  *      ha = adapter block pointer.
4871  *
4872  * Returns:
4873  *      0 = success.
4874  *      BIT_0 = error
4875  */
4876 static int
4877 qla2x00_configure_fabric(scsi_qla_host_t *vha)
4878 {
4879         int     rval;
4880         fc_port_t       *fcport;
4881         uint16_t        mb[MAILBOX_REGISTER_COUNT];
4882         uint16_t        loop_id;
4883         LIST_HEAD(new_fcports);
4884         struct qla_hw_data *ha = vha->hw;
4885         int             discovery_gen;
4886
4887         /* If FL port exists, then SNS is present */
4888         if (IS_FWI2_CAPABLE(ha))
4889                 loop_id = NPH_F_PORT;
4890         else
4891                 loop_id = SNS_FL_PORT;
4892         rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1);
4893         if (rval != QLA_SUCCESS) {
4894                 ql_dbg(ql_dbg_disc, vha, 0x20a0,
4895                     "MBX_GET_PORT_NAME failed, No FL Port.\n");
4896
4897                 vha->device_flags &= ~SWITCH_FOUND;
4898                 return (QLA_SUCCESS);
4899         }
4900         vha->device_flags |= SWITCH_FOUND;
4901
4902
4903         if (qla_tgt_mode_enabled(vha) || qla_dual_mode_enabled(vha)) {
4904                 rval = qla2x00_send_change_request(vha, 0x3, 0);
4905                 if (rval != QLA_SUCCESS)
4906                         ql_log(ql_log_warn, vha, 0x121,
4907                                 "Failed to enable receiving of RSCN requests: 0x%x.\n",
4908                                 rval);
4909         }
4910
4911
4912         do {
4913                 qla2x00_mgmt_svr_login(vha);
4914
4915                 /* FDMI support. */
4916                 if (ql2xfdmienable &&
4917                     test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags))
4918                         qla2x00_fdmi_register(vha);
4919
4920                 /* Ensure we are logged into the SNS. */
4921                 loop_id = NPH_SNS_LID(ha);
4922                 rval = ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff,
4923                     0xfc, mb, BIT_1|BIT_0);
4924                 if (rval != QLA_SUCCESS || mb[0] != MBS_COMMAND_COMPLETE) {
4925                         ql_dbg(ql_dbg_disc, vha, 0x20a1,
4926                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x mb[2]=%x mb[6]=%x mb[7]=%x (%x).\n",
4927                             loop_id, mb[0], mb[1], mb[2], mb[6], mb[7], rval);
4928                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4929                         return rval;
4930                 }
4931                 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) {
4932                         if (qla2x00_rft_id(vha)) {
4933                                 /* EMPTY */
4934                                 ql_dbg(ql_dbg_disc, vha, 0x20a2,
4935                                     "Register FC-4 TYPE failed.\n");
4936                                 if (test_bit(LOOP_RESYNC_NEEDED,
4937                                     &vha->dpc_flags))
4938                                         break;
4939                         }
4940                         if (qla2x00_rff_id(vha, FC4_TYPE_FCP_SCSI)) {
4941                                 /* EMPTY */
4942                                 ql_dbg(ql_dbg_disc, vha, 0x209a,
4943                                     "Register FC-4 Features failed.\n");
4944                                 if (test_bit(LOOP_RESYNC_NEEDED,
4945                                     &vha->dpc_flags))
4946                                         break;
4947                         }
4948                         if (vha->flags.nvme_enabled) {
4949                                 if (qla2x00_rff_id(vha, FC_TYPE_NVME)) {
4950                                         ql_dbg(ql_dbg_disc, vha, 0x2049,
4951                                             "Register NVME FC Type Features failed.\n");
4952                                 }
4953                         }
4954                         if (qla2x00_rnn_id(vha)) {
4955                                 /* EMPTY */
4956                                 ql_dbg(ql_dbg_disc, vha, 0x2104,
4957                                     "Register Node Name failed.\n");
4958                                 if (test_bit(LOOP_RESYNC_NEEDED,
4959                                     &vha->dpc_flags))
4960                                         break;
4961                         } else if (qla2x00_rsnn_nn(vha)) {
4962                                 /* EMPTY */
4963                                 ql_dbg(ql_dbg_disc, vha, 0x209b,
4964                                     "Register Symbolic Node Name failed.\n");
4965                                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
4966                                         break;
4967                         }
4968                 }
4969
4970                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
4971                         fcport->scan_state = QLA_FCPORT_SCAN;
4972                 }
4973
4974                 /* Mark the time right before querying FW for connected ports.
4975                  * This process is long, asynchronous and by the time it's done,
4976                  * collected information might not be accurate anymore. E.g.
4977                  * disconnected port might have re-connected and a brand new
4978                  * session has been created. In this case session's generation
4979                  * will be newer than discovery_gen. */
4980                 qlt_do_generation_tick(vha, &discovery_gen);
4981
4982                 rval = qla2x00_find_all_fabric_devs(vha);
4983                 if (rval != QLA_SUCCESS)
4984                         break;
4985         } while (0);
4986
4987         if (!vha->nvme_local_port && vha->flags.nvme_enabled)
4988                 qla_nvme_register_hba(vha);
4989
4990         if (rval)
4991                 ql_dbg(ql_dbg_disc, vha, 0x2068,
4992                     "Configure fabric error exit rval=%d.\n", rval);
4993
4994         return (rval);
4995 }
4996
4997 /*
4998  * qla2x00_find_all_fabric_devs
4999  *
5000  * Input:
5001  *      ha = adapter block pointer.
5002  *      dev = database device entry pointer.
5003  *
5004  * Returns:
5005  *      0 = success.
5006  *
5007  * Context:
5008  *      Kernel context.
5009  */
5010 static int
5011 qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha)
5012 {
5013         int             rval;
5014         uint16_t        loop_id;
5015         fc_port_t       *fcport, *new_fcport;
5016         int             found;
5017
5018         sw_info_t       *swl;
5019         int             swl_idx;
5020         int             first_dev, last_dev;
5021         port_id_t       wrap = {}, nxt_d_id;
5022         struct qla_hw_data *ha = vha->hw;
5023         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
5024         unsigned long flags;
5025
5026         rval = QLA_SUCCESS;
5027
5028         /* Try GID_PT to get device list, else GAN. */
5029         if (!ha->swl)
5030                 ha->swl = kcalloc(ha->max_fibre_devices, sizeof(sw_info_t),
5031                     GFP_KERNEL);
5032         swl = ha->swl;
5033         if (!swl) {
5034                 /*EMPTY*/
5035                 ql_dbg(ql_dbg_disc, vha, 0x209c,
5036                     "GID_PT allocations failed, fallback on GA_NXT.\n");
5037         } else {
5038                 memset(swl, 0, ha->max_fibre_devices * sizeof(sw_info_t));
5039                 if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) {
5040                         swl = NULL;
5041                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5042                                 return rval;
5043                 } else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) {
5044                         swl = NULL;
5045                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5046                                 return rval;
5047                 } else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) {
5048                         swl = NULL;
5049                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5050                                 return rval;
5051                 } else if (qla2x00_gfpn_id(vha, swl) != QLA_SUCCESS) {
5052                         swl = NULL;
5053                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5054                                 return rval;
5055                 }
5056
5057                 /* If other queries succeeded probe for FC-4 type */
5058                 if (swl) {
5059                         qla2x00_gff_id(vha, swl);
5060                         if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5061                                 return rval;
5062                 }
5063         }
5064         swl_idx = 0;
5065
5066         /* Allocate temporary fcport for any new fcports discovered. */
5067         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
5068         if (new_fcport == NULL) {
5069                 ql_log(ql_log_warn, vha, 0x209d,
5070                     "Failed to allocate memory for fcport.\n");
5071                 return (QLA_MEMORY_ALLOC_FAILED);
5072         }
5073         new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
5074         /* Set start port ID scan at adapter ID. */
5075         first_dev = 1;
5076         last_dev = 0;
5077
5078         /* Starting free loop ID. */
5079         loop_id = ha->min_external_loopid;
5080         for (; loop_id <= ha->max_loop_id; loop_id++) {
5081                 if (qla2x00_is_reserved_id(vha, loop_id))
5082                         continue;
5083
5084                 if (ha->current_topology == ISP_CFG_FL &&
5085                     (atomic_read(&vha->loop_down_timer) ||
5086                      LOOP_TRANSITION(vha))) {
5087                         atomic_set(&vha->loop_down_timer, 0);
5088                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5089                         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
5090                         break;
5091                 }
5092
5093                 if (swl != NULL) {
5094                         if (last_dev) {
5095                                 wrap.b24 = new_fcport->d_id.b24;
5096                         } else {
5097                                 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
5098                                 memcpy(new_fcport->node_name,
5099                                     swl[swl_idx].node_name, WWN_SIZE);
5100                                 memcpy(new_fcport->port_name,
5101                                     swl[swl_idx].port_name, WWN_SIZE);
5102                                 memcpy(new_fcport->fabric_port_name,
5103                                     swl[swl_idx].fabric_port_name, WWN_SIZE);
5104                                 new_fcport->fp_speed = swl[swl_idx].fp_speed;
5105                                 new_fcport->fc4_type = swl[swl_idx].fc4_type;
5106
5107                                 new_fcport->nvme_flag = 0;
5108                                 new_fcport->fc4f_nvme = 0;
5109                                 if (vha->flags.nvme_enabled &&
5110                                     swl[swl_idx].fc4f_nvme) {
5111                                         new_fcport->fc4f_nvme =
5112                                             swl[swl_idx].fc4f_nvme;
5113                                         ql_log(ql_log_info, vha, 0x2131,
5114                                             "FOUND: NVME port %8phC as FC Type 28h\n",
5115                                             new_fcport->port_name);
5116                                 }
5117
5118                                 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
5119                                         last_dev = 1;
5120                                 }
5121                                 swl_idx++;
5122                         }
5123                 } else {
5124                         /* Send GA_NXT to the switch */
5125                         rval = qla2x00_ga_nxt(vha, new_fcport);
5126                         if (rval != QLA_SUCCESS) {
5127                                 ql_log(ql_log_warn, vha, 0x209e,
5128                                     "SNS scan failed -- assuming "
5129                                     "zero-entry result.\n");
5130                                 rval = QLA_SUCCESS;
5131                                 break;
5132                         }
5133                 }
5134
5135                 /* If wrap on switch device list, exit. */
5136                 if (first_dev) {
5137                         wrap.b24 = new_fcport->d_id.b24;
5138                         first_dev = 0;
5139                 } else if (new_fcport->d_id.b24 == wrap.b24) {
5140                         ql_dbg(ql_dbg_disc, vha, 0x209f,
5141                             "Device wrap (%02x%02x%02x).\n",
5142                             new_fcport->d_id.b.domain,
5143                             new_fcport->d_id.b.area,
5144                             new_fcport->d_id.b.al_pa);
5145                         break;
5146                 }
5147
5148                 /* Bypass if same physical adapter. */
5149                 if (new_fcport->d_id.b24 == base_vha->d_id.b24)
5150                         continue;
5151
5152                 /* Bypass virtual ports of the same host. */
5153                 if (qla2x00_is_a_vp_did(vha, new_fcport->d_id.b24))
5154                         continue;
5155
5156                 /* Bypass if same domain and area of adapter. */
5157                 if (((new_fcport->d_id.b24 & 0xffff00) ==
5158                     (vha->d_id.b24 & 0xffff00)) && ha->current_topology ==
5159                         ISP_CFG_FL)
5160                             continue;
5161
5162                 /* Bypass reserved domain fields. */
5163                 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
5164                         continue;
5165
5166                 /* Bypass ports whose FCP-4 type is not FCP_SCSI */
5167                 if (ql2xgffidenable &&
5168                     (new_fcport->fc4_type != FC4_TYPE_FCP_SCSI &&
5169                     new_fcport->fc4_type != FC4_TYPE_UNKNOWN))
5170                         continue;
5171
5172                 spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5173
5174                 /* Locate matching device in database. */
5175                 found = 0;
5176                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
5177                         if (memcmp(new_fcport->port_name, fcport->port_name,
5178                             WWN_SIZE))
5179                                 continue;
5180
5181                         fcport->scan_state = QLA_FCPORT_FOUND;
5182
5183                         found++;
5184
5185                         /* Update port state. */
5186                         memcpy(fcport->fabric_port_name,
5187                             new_fcport->fabric_port_name, WWN_SIZE);
5188                         fcport->fp_speed = new_fcport->fp_speed;
5189
5190                         /*
5191                          * If address the same and state FCS_ONLINE
5192                          * (or in target mode), nothing changed.
5193                          */
5194                         if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
5195                             (atomic_read(&fcport->state) == FCS_ONLINE ||
5196                              (vha->host->active_mode == MODE_TARGET))) {
5197                                 break;
5198                         }
5199
5200                         /*
5201                          * If device was not a fabric device before.
5202                          */
5203                         if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
5204                                 fcport->d_id.b24 = new_fcport->d_id.b24;
5205                                 qla2x00_clear_loop_id(fcport);
5206                                 fcport->flags |= (FCF_FABRIC_DEVICE |
5207                                     FCF_LOGIN_NEEDED);
5208                                 break;
5209                         }
5210
5211                         /*
5212                          * Port ID changed or device was marked to be updated;
5213                          * Log it out if still logged in and mark it for
5214                          * relogin later.
5215                          */
5216                         if (qla_tgt_mode_enabled(base_vha)) {
5217                                 ql_dbg(ql_dbg_tgt_mgt, vha, 0xf080,
5218                                          "port changed FC ID, %8phC"
5219                                          " old %x:%x:%x (loop_id 0x%04x)-> new %x:%x:%x\n",
5220                                          fcport->port_name,
5221                                          fcport->d_id.b.domain,
5222                                          fcport->d_id.b.area,
5223                                          fcport->d_id.b.al_pa,
5224                                          fcport->loop_id,
5225                                          new_fcport->d_id.b.domain,
5226                                          new_fcport->d_id.b.area,
5227                                          new_fcport->d_id.b.al_pa);
5228                                 fcport->d_id.b24 = new_fcport->d_id.b24;
5229                                 break;
5230                         }
5231
5232                         fcport->d_id.b24 = new_fcport->d_id.b24;
5233                         fcport->flags |= FCF_LOGIN_NEEDED;
5234                         break;
5235                 }
5236
5237                 if (found) {
5238                         spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5239                         continue;
5240                 }
5241                 /* If device was not in our fcports list, then add it. */
5242                 new_fcport->scan_state = QLA_FCPORT_FOUND;
5243                 list_add_tail(&new_fcport->list, &vha->vp_fcports);
5244
5245                 spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5246
5247
5248                 /* Allocate a new replacement fcport. */
5249                 nxt_d_id.b24 = new_fcport->d_id.b24;
5250                 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
5251                 if (new_fcport == NULL) {
5252                         ql_log(ql_log_warn, vha, 0xd032,
5253                             "Memory allocation failed for fcport.\n");
5254                         return (QLA_MEMORY_ALLOC_FAILED);
5255                 }
5256                 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
5257                 new_fcport->d_id.b24 = nxt_d_id.b24;
5258         }
5259
5260         qla2x00_free_fcport(new_fcport);
5261
5262         /*
5263          * Logout all previous fabric dev marked lost, except FCP2 devices.
5264          */
5265         list_for_each_entry(fcport, &vha->vp_fcports, list) {
5266                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5267                         break;
5268
5269                 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
5270                     (fcport->flags & FCF_LOGIN_NEEDED) == 0)
5271                         continue;
5272
5273                 if (fcport->scan_state == QLA_FCPORT_SCAN) {
5274                         if ((qla_dual_mode_enabled(vha) ||
5275                             qla_ini_mode_enabled(vha)) &&
5276                             atomic_read(&fcport->state) == FCS_ONLINE) {
5277                                 qla2x00_mark_device_lost(vha, fcport,
5278                                         ql2xplogiabsentdevice, 0);
5279                                 if (fcport->loop_id != FC_NO_LOOP_ID &&
5280                                     (fcport->flags & FCF_FCP2_DEVICE) == 0 &&
5281                                     fcport->port_type != FCT_INITIATOR &&
5282                                     fcport->port_type != FCT_BROADCAST) {
5283                                         ql_dbg(ql_dbg_disc, vha, 0x20f0,
5284                                             "%s %d %8phC post del sess\n",
5285                                             __func__, __LINE__,
5286                                             fcport->port_name);
5287
5288                                         qlt_schedule_sess_for_deletion_lock
5289                                                 (fcport);
5290                                         continue;
5291                                 }
5292                         }
5293                 }
5294
5295                 if (fcport->scan_state == QLA_FCPORT_FOUND)
5296                         qla24xx_fcport_handle_login(vha, fcport);
5297         }
5298         return (rval);
5299 }
5300
5301 /*
5302  * qla2x00_find_new_loop_id
5303  *      Scan through our port list and find a new usable loop ID.
5304  *
5305  * Input:
5306  *      ha:     adapter state pointer.
5307  *      dev:    port structure pointer.
5308  *
5309  * Returns:
5310  *      qla2x00 local function return status code.
5311  *
5312  * Context:
5313  *      Kernel context.
5314  */
5315 int
5316 qla2x00_find_new_loop_id(scsi_qla_host_t *vha, fc_port_t *dev)
5317 {
5318         int     rval;
5319         struct qla_hw_data *ha = vha->hw;
5320         unsigned long flags = 0;
5321
5322         rval = QLA_SUCCESS;
5323
5324         spin_lock_irqsave(&ha->vport_slock, flags);
5325
5326         dev->loop_id = find_first_zero_bit(ha->loop_id_map,
5327             LOOPID_MAP_SIZE);
5328         if (dev->loop_id >= LOOPID_MAP_SIZE ||
5329             qla2x00_is_reserved_id(vha, dev->loop_id)) {
5330                 dev->loop_id = FC_NO_LOOP_ID;
5331                 rval = QLA_FUNCTION_FAILED;
5332         } else
5333                 set_bit(dev->loop_id, ha->loop_id_map);
5334
5335         spin_unlock_irqrestore(&ha->vport_slock, flags);
5336
5337         if (rval == QLA_SUCCESS)
5338                 ql_dbg(ql_dbg_disc, dev->vha, 0x2086,
5339                     "Assigning new loopid=%x, portid=%x.\n",
5340                     dev->loop_id, dev->d_id.b24);
5341         else
5342                 ql_log(ql_log_warn, dev->vha, 0x2087,
5343                     "No loop_id's available, portid=%x.\n",
5344                     dev->d_id.b24);
5345
5346         return (rval);
5347 }
5348
5349
5350 /*
5351  * qla2x00_fabric_login
5352  *      Issue fabric login command.
5353  *
5354  * Input:
5355  *      ha = adapter block pointer.
5356  *      device = pointer to FC device type structure.
5357  *
5358  * Returns:
5359  *      0 - Login successfully
5360  *      1 - Login failed
5361  *      2 - Initiator device
5362  *      3 - Fatal error
5363  */
5364 int
5365 qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport,
5366     uint16_t *next_loopid)
5367 {
5368         int     rval;
5369         int     retry;
5370         uint16_t tmp_loopid;
5371         uint16_t mb[MAILBOX_REGISTER_COUNT];
5372         struct qla_hw_data *ha = vha->hw;
5373
5374         retry = 0;
5375         tmp_loopid = 0;
5376
5377         for (;;) {
5378                 ql_dbg(ql_dbg_disc, vha, 0x2000,
5379                     "Trying Fabric Login w/loop id 0x%04x for port "
5380                     "%02x%02x%02x.\n",
5381                     fcport->loop_id, fcport->d_id.b.domain,
5382                     fcport->d_id.b.area, fcport->d_id.b.al_pa);
5383
5384                 /* Login fcport on switch. */
5385                 rval = ha->isp_ops->fabric_login(vha, fcport->loop_id,
5386                     fcport->d_id.b.domain, fcport->d_id.b.area,
5387                     fcport->d_id.b.al_pa, mb, BIT_0);
5388                 if (rval != QLA_SUCCESS) {
5389                         return rval;
5390                 }
5391                 if (mb[0] == MBS_PORT_ID_USED) {
5392                         /*
5393                          * Device has another loop ID.  The firmware team
5394                          * recommends the driver perform an implicit login with
5395                          * the specified ID again. The ID we just used is save
5396                          * here so we return with an ID that can be tried by
5397                          * the next login.
5398                          */
5399                         retry++;
5400                         tmp_loopid = fcport->loop_id;
5401                         fcport->loop_id = mb[1];
5402
5403                         ql_dbg(ql_dbg_disc, vha, 0x2001,
5404                             "Fabric Login: port in use - next loop "
5405                             "id=0x%04x, port id= %02x%02x%02x.\n",
5406                             fcport->loop_id, fcport->d_id.b.domain,
5407                             fcport->d_id.b.area, fcport->d_id.b.al_pa);
5408
5409                 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
5410                         /*
5411                          * Login succeeded.
5412                          */
5413                         if (retry) {
5414                                 /* A retry occurred before. */
5415                                 *next_loopid = tmp_loopid;
5416                         } else {
5417                                 /*
5418                                  * No retry occurred before. Just increment the
5419                                  * ID value for next login.
5420                                  */
5421                                 *next_loopid = (fcport->loop_id + 1);
5422                         }
5423
5424                         if (mb[1] & BIT_0) {
5425                                 fcport->port_type = FCT_INITIATOR;
5426                         } else {
5427                                 fcport->port_type = FCT_TARGET;
5428                                 if (mb[1] & BIT_1) {
5429                                         fcport->flags |= FCF_FCP2_DEVICE;
5430                                 }
5431                         }
5432
5433                         if (mb[10] & BIT_0)
5434                                 fcport->supported_classes |= FC_COS_CLASS2;
5435                         if (mb[10] & BIT_1)
5436                                 fcport->supported_classes |= FC_COS_CLASS3;
5437
5438                         if (IS_FWI2_CAPABLE(ha)) {
5439                                 if (mb[10] & BIT_7)
5440                                         fcport->flags |=
5441                                             FCF_CONF_COMP_SUPPORTED;
5442                         }
5443
5444                         rval = QLA_SUCCESS;
5445                         break;
5446                 } else if (mb[0] == MBS_LOOP_ID_USED) {
5447                         /*
5448                          * Loop ID already used, try next loop ID.
5449                          */
5450                         fcport->loop_id++;
5451                         rval = qla2x00_find_new_loop_id(vha, fcport);
5452                         if (rval != QLA_SUCCESS) {
5453                                 /* Ran out of loop IDs to use */
5454                                 break;
5455                         }
5456                 } else if (mb[0] == MBS_COMMAND_ERROR) {
5457                         /*
5458                          * Firmware possibly timed out during login. If NO
5459                          * retries are left to do then the device is declared
5460                          * dead.
5461                          */
5462                         *next_loopid = fcport->loop_id;
5463                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
5464                             fcport->d_id.b.domain, fcport->d_id.b.area,
5465                             fcport->d_id.b.al_pa);
5466                         qla2x00_mark_device_lost(vha, fcport, 1, 0);
5467
5468                         rval = 1;
5469                         break;
5470                 } else {
5471                         /*
5472                          * unrecoverable / not handled error
5473                          */
5474                         ql_dbg(ql_dbg_disc, vha, 0x2002,
5475                             "Failed=%x port_id=%02x%02x%02x loop_id=%x "
5476                             "jiffies=%lx.\n", mb[0], fcport->d_id.b.domain,
5477                             fcport->d_id.b.area, fcport->d_id.b.al_pa,
5478                             fcport->loop_id, jiffies);
5479
5480                         *next_loopid = fcport->loop_id;
5481                         ha->isp_ops->fabric_logout(vha, fcport->loop_id,
5482                             fcport->d_id.b.domain, fcport->d_id.b.area,
5483                             fcport->d_id.b.al_pa);
5484                         qla2x00_clear_loop_id(fcport);
5485                         fcport->login_retry = 0;
5486
5487                         rval = 3;
5488                         break;
5489                 }
5490         }
5491
5492         return (rval);
5493 }
5494
5495 /*
5496  * qla2x00_local_device_login
5497  *      Issue local device login command.
5498  *
5499  * Input:
5500  *      ha = adapter block pointer.
5501  *      loop_id = loop id of device to login to.
5502  *
5503  * Returns (Where's the #define!!!!):
5504  *      0 - Login successfully
5505  *      1 - Login failed
5506  *      3 - Fatal error
5507  */
5508 int
5509 qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport)
5510 {
5511         int             rval;
5512         uint16_t        mb[MAILBOX_REGISTER_COUNT];
5513
5514         memset(mb, 0, sizeof(mb));
5515         rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0);
5516         if (rval == QLA_SUCCESS) {
5517                 /* Interrogate mailbox registers for any errors */
5518                 if (mb[0] == MBS_COMMAND_ERROR)
5519                         rval = 1;
5520                 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
5521                         /* device not in PCB table */
5522                         rval = 3;
5523         }
5524
5525         return (rval);
5526 }
5527
5528 /*
5529  *  qla2x00_loop_resync
5530  *      Resync with fibre channel devices.
5531  *
5532  * Input:
5533  *      ha = adapter block pointer.
5534  *
5535  * Returns:
5536  *      0 = success
5537  */
5538 int
5539 qla2x00_loop_resync(scsi_qla_host_t *vha)
5540 {
5541         int rval = QLA_SUCCESS;
5542         uint32_t wait_time;
5543         struct req_que *req;
5544         struct rsp_que *rsp;
5545
5546         req = vha->req;
5547         rsp = req->rsp;
5548
5549         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
5550         if (vha->flags.online) {
5551                 if (!(rval = qla2x00_fw_ready(vha))) {
5552                         /* Wait at most MAX_TARGET RSCNs for a stable link. */
5553                         wait_time = 256;
5554                         do {
5555                                 if (!IS_QLAFX00(vha->hw)) {
5556                                         /*
5557                                          * Issue a marker after FW becomes
5558                                          * ready.
5559                                          */
5560                                         qla2x00_marker(vha, req, rsp, 0, 0,
5561                                                 MK_SYNC_ALL);
5562                                         vha->marker_needed = 0;
5563                                 }
5564
5565                                 /* Remap devices on Loop. */
5566                                 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
5567
5568                                 if (IS_QLAFX00(vha->hw))
5569                                         qlafx00_configure_devices(vha);
5570                                 else
5571                                         qla2x00_configure_loop(vha);
5572
5573                                 wait_time--;
5574                         } while (!atomic_read(&vha->loop_down_timer) &&
5575                                 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
5576                                 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
5577                                 &vha->dpc_flags)));
5578                 }
5579         }
5580
5581         if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
5582                 return (QLA_FUNCTION_FAILED);
5583
5584         if (rval)
5585                 ql_dbg(ql_dbg_disc, vha, 0x206c,
5586                     "%s *** FAILED ***.\n", __func__);
5587
5588         return (rval);
5589 }
5590
5591 /*
5592 * qla2x00_perform_loop_resync
5593 * Description: This function will set the appropriate flags and call
5594 *              qla2x00_loop_resync. If successful loop will be resynced
5595 * Arguments : scsi_qla_host_t pointer
5596 * returm    : Success or Failure
5597 */
5598
5599 int qla2x00_perform_loop_resync(scsi_qla_host_t *ha)
5600 {
5601         int32_t rval = 0;
5602
5603         if (!test_and_set_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags)) {
5604                 /*Configure the flags so that resync happens properly*/
5605                 atomic_set(&ha->loop_down_timer, 0);
5606                 if (!(ha->device_flags & DFLG_NO_CABLE)) {
5607                         atomic_set(&ha->loop_state, LOOP_UP);
5608                         set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
5609                         set_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags);
5610                         set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
5611
5612                         rval = qla2x00_loop_resync(ha);
5613                 } else
5614                         atomic_set(&ha->loop_state, LOOP_DEAD);
5615
5616                 clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags);
5617         }
5618
5619         return rval;
5620 }
5621
5622 void
5623 qla2x00_update_fcports(scsi_qla_host_t *base_vha)
5624 {
5625         fc_port_t *fcport;
5626         struct scsi_qla_host *vha;
5627         struct qla_hw_data *ha = base_vha->hw;
5628         unsigned long flags;
5629
5630         spin_lock_irqsave(&ha->vport_slock, flags);
5631         /* Go with deferred removal of rport references. */
5632         list_for_each_entry(vha, &base_vha->hw->vp_list, list) {
5633                 atomic_inc(&vha->vref_count);
5634                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
5635                         if (fcport->drport &&
5636                             atomic_read(&fcport->state) != FCS_UNCONFIGURED) {
5637                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
5638                                 qla2x00_rport_del(fcport);
5639
5640                                 spin_lock_irqsave(&ha->vport_slock, flags);
5641                         }
5642                 }
5643                 atomic_dec(&vha->vref_count);
5644                 wake_up(&vha->vref_waitq);
5645         }
5646         spin_unlock_irqrestore(&ha->vport_slock, flags);
5647 }
5648
5649 /* Assumes idc_lock always held on entry */
5650 void
5651 qla83xx_reset_ownership(scsi_qla_host_t *vha)
5652 {
5653         struct qla_hw_data *ha = vha->hw;
5654         uint32_t drv_presence, drv_presence_mask;
5655         uint32_t dev_part_info1, dev_part_info2, class_type;
5656         uint32_t class_type_mask = 0x3;
5657         uint16_t fcoe_other_function = 0xffff, i;
5658
5659         if (IS_QLA8044(ha)) {
5660                 drv_presence = qla8044_rd_direct(vha,
5661                     QLA8044_CRB_DRV_ACTIVE_INDEX);
5662                 dev_part_info1 = qla8044_rd_direct(vha,
5663                     QLA8044_CRB_DEV_PART_INFO_INDEX);
5664                 dev_part_info2 = qla8044_rd_direct(vha,
5665                     QLA8044_CRB_DEV_PART_INFO2);
5666         } else {
5667                 qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
5668                 qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO1, &dev_part_info1);
5669                 qla83xx_rd_reg(vha, QLA83XX_DEV_PARTINFO2, &dev_part_info2);
5670         }
5671         for (i = 0; i < 8; i++) {
5672                 class_type = ((dev_part_info1 >> (i * 4)) & class_type_mask);
5673                 if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
5674                     (i != ha->portnum)) {
5675                         fcoe_other_function = i;
5676                         break;
5677                 }
5678         }
5679         if (fcoe_other_function == 0xffff) {
5680                 for (i = 0; i < 8; i++) {
5681                         class_type = ((dev_part_info2 >> (i * 4)) &
5682                             class_type_mask);
5683                         if ((class_type == QLA83XX_CLASS_TYPE_FCOE) &&
5684                             ((i + 8) != ha->portnum)) {
5685                                 fcoe_other_function = i + 8;
5686                                 break;
5687                         }
5688                 }
5689         }
5690         /*
5691          * Prepare drv-presence mask based on fcoe functions present.
5692          * However consider only valid physical fcoe function numbers (0-15).
5693          */
5694         drv_presence_mask = ~((1 << (ha->portnum)) |
5695                         ((fcoe_other_function == 0xffff) ?
5696                          0 : (1 << (fcoe_other_function))));
5697
5698         /* We are the reset owner iff:
5699          *    - No other protocol drivers present.
5700          *    - This is the lowest among fcoe functions. */
5701         if (!(drv_presence & drv_presence_mask) &&
5702                         (ha->portnum < fcoe_other_function)) {
5703                 ql_dbg(ql_dbg_p3p, vha, 0xb07f,
5704                     "This host is Reset owner.\n");
5705                 ha->flags.nic_core_reset_owner = 1;
5706         }
5707 }
5708
5709 static int
5710 __qla83xx_set_drv_ack(scsi_qla_host_t *vha)
5711 {
5712         int rval = QLA_SUCCESS;
5713         struct qla_hw_data *ha = vha->hw;
5714         uint32_t drv_ack;
5715
5716         rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
5717         if (rval == QLA_SUCCESS) {
5718                 drv_ack |= (1 << ha->portnum);
5719                 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
5720         }
5721
5722         return rval;
5723 }
5724
5725 static int
5726 __qla83xx_clear_drv_ack(scsi_qla_host_t *vha)
5727 {
5728         int rval = QLA_SUCCESS;
5729         struct qla_hw_data *ha = vha->hw;
5730         uint32_t drv_ack;
5731
5732         rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
5733         if (rval == QLA_SUCCESS) {
5734                 drv_ack &= ~(1 << ha->portnum);
5735                 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRIVER_ACK, drv_ack);
5736         }
5737
5738         return rval;
5739 }
5740
5741 static const char *
5742 qla83xx_dev_state_to_string(uint32_t dev_state)
5743 {
5744         switch (dev_state) {
5745         case QLA8XXX_DEV_COLD:
5746                 return "COLD/RE-INIT";
5747         case QLA8XXX_DEV_INITIALIZING:
5748                 return "INITIALIZING";
5749         case QLA8XXX_DEV_READY:
5750                 return "READY";
5751         case QLA8XXX_DEV_NEED_RESET:
5752                 return "NEED RESET";
5753         case QLA8XXX_DEV_NEED_QUIESCENT:
5754                 return "NEED QUIESCENT";
5755         case QLA8XXX_DEV_FAILED:
5756                 return "FAILED";
5757         case QLA8XXX_DEV_QUIESCENT:
5758                 return "QUIESCENT";
5759         default:
5760                 return "Unknown";
5761         }
5762 }
5763
5764 /* Assumes idc-lock always held on entry */
5765 void
5766 qla83xx_idc_audit(scsi_qla_host_t *vha, int audit_type)
5767 {
5768         struct qla_hw_data *ha = vha->hw;
5769         uint32_t idc_audit_reg = 0, duration_secs = 0;
5770
5771         switch (audit_type) {
5772         case IDC_AUDIT_TIMESTAMP:
5773                 ha->idc_audit_ts = (jiffies_to_msecs(jiffies) / 1000);
5774                 idc_audit_reg = (ha->portnum) |
5775                     (IDC_AUDIT_TIMESTAMP << 7) | (ha->idc_audit_ts << 8);
5776                 qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
5777                 break;
5778
5779         case IDC_AUDIT_COMPLETION:
5780                 duration_secs = ((jiffies_to_msecs(jiffies) -
5781                     jiffies_to_msecs(ha->idc_audit_ts)) / 1000);
5782                 idc_audit_reg = (ha->portnum) |
5783                     (IDC_AUDIT_COMPLETION << 7) | (duration_secs << 8);
5784                 qla83xx_wr_reg(vha, QLA83XX_IDC_AUDIT, idc_audit_reg);
5785                 break;
5786
5787         default:
5788                 ql_log(ql_log_warn, vha, 0xb078,
5789                     "Invalid audit type specified.\n");
5790                 break;
5791         }
5792 }
5793
5794 /* Assumes idc_lock always held on entry */
5795 static int
5796 qla83xx_initiating_reset(scsi_qla_host_t *vha)
5797 {
5798         struct qla_hw_data *ha = vha->hw;
5799         uint32_t  idc_control, dev_state;
5800
5801         __qla83xx_get_idc_control(vha, &idc_control);
5802         if ((idc_control & QLA83XX_IDC_RESET_DISABLED)) {
5803                 ql_log(ql_log_info, vha, 0xb080,
5804                     "NIC Core reset has been disabled. idc-control=0x%x\n",
5805                     idc_control);
5806                 return QLA_FUNCTION_FAILED;
5807         }
5808
5809         /* Set NEED-RESET iff in READY state and we are the reset-owner */
5810         qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
5811         if (ha->flags.nic_core_reset_owner && dev_state == QLA8XXX_DEV_READY) {
5812                 qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
5813                     QLA8XXX_DEV_NEED_RESET);
5814                 ql_log(ql_log_info, vha, 0xb056, "HW State: NEED RESET.\n");
5815                 qla83xx_idc_audit(vha, IDC_AUDIT_TIMESTAMP);
5816         } else {
5817                 const char *state = qla83xx_dev_state_to_string(dev_state);
5818                 ql_log(ql_log_info, vha, 0xb057, "HW State: %s.\n", state);
5819
5820                 /* SV: XXX: Is timeout required here? */
5821                 /* Wait for IDC state change READY -> NEED_RESET */
5822                 while (dev_state == QLA8XXX_DEV_READY) {
5823                         qla83xx_idc_unlock(vha, 0);
5824                         msleep(200);
5825                         qla83xx_idc_lock(vha, 0);
5826                         qla83xx_rd_reg(vha, QLA83XX_IDC_DEV_STATE, &dev_state);
5827                 }
5828         }
5829
5830         /* Send IDC ack by writing to drv-ack register */
5831         __qla83xx_set_drv_ack(vha);
5832
5833         return QLA_SUCCESS;
5834 }
5835
5836 int
5837 __qla83xx_set_idc_control(scsi_qla_host_t *vha, uint32_t idc_control)
5838 {
5839         return qla83xx_wr_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
5840 }
5841
5842 int
5843 __qla83xx_get_idc_control(scsi_qla_host_t *vha, uint32_t *idc_control)
5844 {
5845         return qla83xx_rd_reg(vha, QLA83XX_IDC_CONTROL, idc_control);
5846 }
5847
5848 static int
5849 qla83xx_check_driver_presence(scsi_qla_host_t *vha)
5850 {
5851         uint32_t drv_presence = 0;
5852         struct qla_hw_data *ha = vha->hw;
5853
5854         qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
5855         if (drv_presence & (1 << ha->portnum))
5856                 return QLA_SUCCESS;
5857         else
5858                 return QLA_TEST_FAILED;
5859 }
5860
5861 int
5862 qla83xx_nic_core_reset(scsi_qla_host_t *vha)
5863 {
5864         int rval = QLA_SUCCESS;
5865         struct qla_hw_data *ha = vha->hw;
5866
5867         ql_dbg(ql_dbg_p3p, vha, 0xb058,
5868             "Entered  %s().\n", __func__);
5869
5870         if (vha->device_flags & DFLG_DEV_FAILED) {
5871                 ql_log(ql_log_warn, vha, 0xb059,
5872                     "Device in unrecoverable FAILED state.\n");
5873                 return QLA_FUNCTION_FAILED;
5874         }
5875
5876         qla83xx_idc_lock(vha, 0);
5877
5878         if (qla83xx_check_driver_presence(vha) != QLA_SUCCESS) {
5879                 ql_log(ql_log_warn, vha, 0xb05a,
5880                     "Function=0x%x has been removed from IDC participation.\n",
5881                     ha->portnum);
5882                 rval = QLA_FUNCTION_FAILED;
5883                 goto exit;
5884         }
5885
5886         qla83xx_reset_ownership(vha);
5887
5888         rval = qla83xx_initiating_reset(vha);
5889
5890         /*
5891          * Perform reset if we are the reset-owner,
5892          * else wait till IDC state changes to READY/FAILED.
5893          */
5894         if (rval == QLA_SUCCESS) {
5895                 rval = qla83xx_idc_state_handler(vha);
5896
5897                 if (rval == QLA_SUCCESS)
5898                         ha->flags.nic_core_hung = 0;
5899                 __qla83xx_clear_drv_ack(vha);
5900         }
5901
5902 exit:
5903         qla83xx_idc_unlock(vha, 0);
5904
5905         ql_dbg(ql_dbg_p3p, vha, 0xb05b, "Exiting %s.\n", __func__);
5906
5907         return rval;
5908 }
5909
5910 int
5911 qla2xxx_mctp_dump(scsi_qla_host_t *vha)
5912 {
5913         struct qla_hw_data *ha = vha->hw;
5914         int rval = QLA_FUNCTION_FAILED;
5915
5916         if (!IS_MCTP_CAPABLE(ha)) {
5917                 /* This message can be removed from the final version */
5918                 ql_log(ql_log_info, vha, 0x506d,
5919                     "This board is not MCTP capable\n");
5920                 return rval;
5921         }
5922
5923         if (!ha->mctp_dump) {
5924                 ha->mctp_dump = dma_alloc_coherent(&ha->pdev->dev,
5925                     MCTP_DUMP_SIZE, &ha->mctp_dump_dma, GFP_KERNEL);
5926
5927                 if (!ha->mctp_dump) {
5928                         ql_log(ql_log_warn, vha, 0x506e,
5929                             "Failed to allocate memory for mctp dump\n");
5930                         return rval;
5931                 }
5932         }
5933
5934 #define MCTP_DUMP_STR_ADDR      0x00000000
5935         rval = qla2x00_dump_mctp_data(vha, ha->mctp_dump_dma,
5936             MCTP_DUMP_STR_ADDR, MCTP_DUMP_SIZE/4);
5937         if (rval != QLA_SUCCESS) {
5938                 ql_log(ql_log_warn, vha, 0x506f,
5939                     "Failed to capture mctp dump\n");
5940         } else {
5941                 ql_log(ql_log_info, vha, 0x5070,
5942                     "Mctp dump capture for host (%ld/%p).\n",
5943                     vha->host_no, ha->mctp_dump);
5944                 ha->mctp_dumped = 1;
5945         }
5946
5947         if (!ha->flags.nic_core_reset_hdlr_active && !ha->portnum) {
5948                 ha->flags.nic_core_reset_hdlr_active = 1;
5949                 rval = qla83xx_restart_nic_firmware(vha);
5950                 if (rval)
5951                         /* NIC Core reset failed. */
5952                         ql_log(ql_log_warn, vha, 0x5071,
5953                             "Failed to restart nic firmware\n");
5954                 else
5955                         ql_dbg(ql_dbg_p3p, vha, 0xb084,
5956                             "Restarted NIC firmware successfully.\n");
5957                 ha->flags.nic_core_reset_hdlr_active = 0;
5958         }
5959
5960         return rval;
5961
5962 }
5963
5964 /*
5965 * qla2x00_quiesce_io
5966 * Description: This function will block the new I/Os
5967 *              Its not aborting any I/Os as context
5968 *              is not destroyed during quiescence
5969 * Arguments: scsi_qla_host_t
5970 * return   : void
5971 */
5972 void
5973 qla2x00_quiesce_io(scsi_qla_host_t *vha)
5974 {
5975         struct qla_hw_data *ha = vha->hw;
5976         struct scsi_qla_host *vp;
5977
5978         ql_dbg(ql_dbg_dpc, vha, 0x401d,
5979             "Quiescing I/O - ha=%p.\n", ha);
5980
5981         atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
5982         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
5983                 atomic_set(&vha->loop_state, LOOP_DOWN);
5984                 qla2x00_mark_all_devices_lost(vha, 0);
5985                 list_for_each_entry(vp, &ha->vp_list, list)
5986                         qla2x00_mark_all_devices_lost(vp, 0);
5987         } else {
5988                 if (!atomic_read(&vha->loop_down_timer))
5989                         atomic_set(&vha->loop_down_timer,
5990                                         LOOP_DOWN_TIME);
5991         }
5992         /* Wait for pending cmds to complete */
5993         qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST);
5994 }
5995
5996 void
5997 qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha)
5998 {
5999         struct qla_hw_data *ha = vha->hw;
6000         struct scsi_qla_host *vp;
6001         unsigned long flags;
6002         fc_port_t *fcport;
6003         u16 i;
6004
6005         /* For ISP82XX, driver waits for completion of the commands.
6006          * online flag should be set.
6007          */
6008         if (!(IS_P3P_TYPE(ha)))
6009                 vha->flags.online = 0;
6010         ha->flags.chip_reset_done = 0;
6011         clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
6012         vha->qla_stats.total_isp_aborts++;
6013
6014         ql_log(ql_log_info, vha, 0x00af,
6015             "Performing ISP error recovery - ha=%p.\n", ha);
6016
6017         /* For ISP82XX, reset_chip is just disabling interrupts.
6018          * Driver waits for the completion of the commands.
6019          * the interrupts need to be enabled.
6020          */
6021         if (!(IS_P3P_TYPE(ha)))
6022                 ha->isp_ops->reset_chip(vha);
6023
6024         ha->flags.n2n_ae = 0;
6025         ha->flags.lip_ae = 0;
6026         ha->current_topology = 0;
6027         ha->flags.fw_started = 0;
6028         ha->flags.fw_init_done = 0;
6029         ha->base_qpair->chip_reset++;
6030         for (i = 0; i < ha->max_qpairs; i++) {
6031                 if (ha->queue_pair_map[i])
6032                         ha->queue_pair_map[i]->chip_reset =
6033                                 ha->base_qpair->chip_reset;
6034         }
6035
6036         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
6037         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
6038                 atomic_set(&vha->loop_state, LOOP_DOWN);
6039                 qla2x00_mark_all_devices_lost(vha, 0);
6040
6041                 spin_lock_irqsave(&ha->vport_slock, flags);
6042                 list_for_each_entry(vp, &ha->vp_list, list) {
6043                         atomic_inc(&vp->vref_count);
6044                         spin_unlock_irqrestore(&ha->vport_slock, flags);
6045
6046                         qla2x00_mark_all_devices_lost(vp, 0);
6047
6048                         spin_lock_irqsave(&ha->vport_slock, flags);
6049                         atomic_dec(&vp->vref_count);
6050                 }
6051                 spin_unlock_irqrestore(&ha->vport_slock, flags);
6052         } else {
6053                 if (!atomic_read(&vha->loop_down_timer))
6054                         atomic_set(&vha->loop_down_timer,
6055                             LOOP_DOWN_TIME);
6056         }
6057
6058         /* Clear all async request states across all VPs. */
6059         list_for_each_entry(fcport, &vha->vp_fcports, list)
6060                 fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
6061         spin_lock_irqsave(&ha->vport_slock, flags);
6062         list_for_each_entry(vp, &ha->vp_list, list) {
6063                 atomic_inc(&vp->vref_count);
6064                 spin_unlock_irqrestore(&ha->vport_slock, flags);
6065
6066                 list_for_each_entry(fcport, &vp->vp_fcports, list)
6067                         fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
6068
6069                 spin_lock_irqsave(&ha->vport_slock, flags);
6070                 atomic_dec(&vp->vref_count);
6071         }
6072         spin_unlock_irqrestore(&ha->vport_slock, flags);
6073
6074         if (!ha->flags.eeh_busy) {
6075                 /* Make sure for ISP 82XX IO DMA is complete */
6076                 if (IS_P3P_TYPE(ha)) {
6077                         qla82xx_chip_reset_cleanup(vha);
6078                         ql_log(ql_log_info, vha, 0x00b4,
6079                             "Done chip reset cleanup.\n");
6080
6081                         /* Done waiting for pending commands.
6082                          * Reset the online flag.
6083                          */
6084                         vha->flags.online = 0;
6085                 }
6086
6087                 /* Requeue all commands in outstanding command list. */
6088                 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
6089         }
6090         /* memory barrier */
6091         wmb();
6092 }
6093
6094 /*
6095 *  qla2x00_abort_isp
6096 *      Resets ISP and aborts all outstanding commands.
6097 *
6098 * Input:
6099 *      ha           = adapter block pointer.
6100 *
6101 * Returns:
6102 *      0 = success
6103 */
6104 int
6105 qla2x00_abort_isp(scsi_qla_host_t *vha)
6106 {
6107         int rval;
6108         uint8_t        status = 0;
6109         struct qla_hw_data *ha = vha->hw;
6110         struct scsi_qla_host *vp;
6111         struct req_que *req = ha->req_q_map[0];
6112         unsigned long flags;
6113
6114         if (vha->flags.online) {
6115                 qla2x00_abort_isp_cleanup(vha);
6116
6117                 if (IS_QLA8031(ha)) {
6118                         ql_dbg(ql_dbg_p3p, vha, 0xb05c,
6119                             "Clearing fcoe driver presence.\n");
6120                         if (qla83xx_clear_drv_presence(vha) != QLA_SUCCESS)
6121                                 ql_dbg(ql_dbg_p3p, vha, 0xb073,
6122                                     "Error while clearing DRV-Presence.\n");
6123                 }
6124
6125                 if (unlikely(pci_channel_offline(ha->pdev) &&
6126                     ha->flags.pci_channel_io_perm_failure)) {
6127                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
6128                         status = 0;
6129                         return status;
6130                 }
6131
6132                 ha->isp_ops->get_flash_version(vha, req->ring);
6133
6134                 ha->isp_ops->nvram_config(vha);
6135
6136                 if (!qla2x00_restart_isp(vha)) {
6137                         clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
6138
6139                         if (!atomic_read(&vha->loop_down_timer)) {
6140                                 /*
6141                                  * Issue marker command only when we are going
6142                                  * to start the I/O .
6143                                  */
6144                                 vha->marker_needed = 1;
6145                         }
6146
6147                         vha->flags.online = 1;
6148
6149                         ha->isp_ops->enable_intrs(ha);
6150
6151                         ha->isp_abort_cnt = 0;
6152                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
6153
6154                         if (IS_QLA81XX(ha) || IS_QLA8031(ha))
6155                                 qla2x00_get_fw_version(vha);
6156                         if (ha->fce) {
6157                                 ha->flags.fce_enabled = 1;
6158                                 memset(ha->fce, 0,
6159                                     fce_calc_size(ha->fce_bufs));
6160                                 rval = qla2x00_enable_fce_trace(vha,
6161                                     ha->fce_dma, ha->fce_bufs, ha->fce_mb,
6162                                     &ha->fce_bufs);
6163                                 if (rval) {
6164                                         ql_log(ql_log_warn, vha, 0x8033,
6165                                             "Unable to reinitialize FCE "
6166                                             "(%d).\n", rval);
6167                                         ha->flags.fce_enabled = 0;
6168                                 }
6169                         }
6170
6171                         if (ha->eft) {
6172                                 memset(ha->eft, 0, EFT_SIZE);
6173                                 rval = qla2x00_enable_eft_trace(vha,
6174                                     ha->eft_dma, EFT_NUM_BUFFERS);
6175                                 if (rval) {
6176                                         ql_log(ql_log_warn, vha, 0x8034,
6177                                             "Unable to reinitialize EFT "
6178                                             "(%d).\n", rval);
6179                                 }
6180                         }
6181                 } else {        /* failed the ISP abort */
6182                         vha->flags.online = 1;
6183                         if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
6184                                 if (ha->isp_abort_cnt == 0) {
6185                                         ql_log(ql_log_fatal, vha, 0x8035,
6186                                             "ISP error recover failed - "
6187                                             "board disabled.\n");
6188                                         /*
6189                                          * The next call disables the board
6190                                          * completely.
6191                                          */
6192                                         ha->isp_ops->reset_adapter(vha);
6193                                         vha->flags.online = 0;
6194                                         clear_bit(ISP_ABORT_RETRY,
6195                                             &vha->dpc_flags);
6196                                         status = 0;
6197                                 } else { /* schedule another ISP abort */
6198                                         ha->isp_abort_cnt--;
6199                                         ql_dbg(ql_dbg_taskm, vha, 0x8020,
6200                                             "ISP abort - retry remaining %d.\n",
6201                                             ha->isp_abort_cnt);
6202                                         status = 1;
6203                                 }
6204                         } else {
6205                                 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
6206                                 ql_dbg(ql_dbg_taskm, vha, 0x8021,
6207                                     "ISP error recovery - retrying (%d) "
6208                                     "more times.\n", ha->isp_abort_cnt);
6209                                 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
6210                                 status = 1;
6211                         }
6212                 }
6213
6214         }
6215
6216         if (!status) {
6217                 ql_dbg(ql_dbg_taskm, vha, 0x8022, "%s succeeded.\n", __func__);
6218                 qla2x00_configure_hba(vha);
6219                 spin_lock_irqsave(&ha->vport_slock, flags);
6220                 list_for_each_entry(vp, &ha->vp_list, list) {
6221                         if (vp->vp_idx) {
6222                                 atomic_inc(&vp->vref_count);
6223                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
6224
6225                                 qla2x00_vp_abort_isp(vp);
6226
6227                                 spin_lock_irqsave(&ha->vport_slock, flags);
6228                                 atomic_dec(&vp->vref_count);
6229                         }
6230                 }
6231                 spin_unlock_irqrestore(&ha->vport_slock, flags);
6232
6233                 if (IS_QLA8031(ha)) {
6234                         ql_dbg(ql_dbg_p3p, vha, 0xb05d,
6235                             "Setting back fcoe driver presence.\n");
6236                         if (qla83xx_set_drv_presence(vha) != QLA_SUCCESS)
6237                                 ql_dbg(ql_dbg_p3p, vha, 0xb074,
6238                                     "Error while setting DRV-Presence.\n");
6239                 }
6240         } else {
6241                 ql_log(ql_log_warn, vha, 0x8023, "%s **** FAILED ****.\n",
6242                        __func__);
6243         }
6244
6245         return(status);
6246 }
6247
6248 /*
6249 *  qla2x00_restart_isp
6250 *      restarts the ISP after a reset
6251 *
6252 * Input:
6253 *      ha = adapter block pointer.
6254 *
6255 * Returns:
6256 *      0 = success
6257 */
6258 static int
6259 qla2x00_restart_isp(scsi_qla_host_t *vha)
6260 {
6261         int status = 0;
6262         struct qla_hw_data *ha = vha->hw;
6263         struct req_que *req = ha->req_q_map[0];
6264         struct rsp_que *rsp = ha->rsp_q_map[0];
6265
6266         /* If firmware needs to be loaded */
6267         if (qla2x00_isp_firmware(vha)) {
6268                 vha->flags.online = 0;
6269                 status = ha->isp_ops->chip_diag(vha);
6270                 if (!status)
6271                         status = qla2x00_setup_chip(vha);
6272         }
6273
6274         if (!status && !(status = qla2x00_init_rings(vha))) {
6275                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
6276                 ha->flags.chip_reset_done = 1;
6277
6278                 /* Initialize the queues in use */
6279                 qla25xx_init_queues(ha);
6280
6281                 status = qla2x00_fw_ready(vha);
6282                 if (!status) {
6283                         /* Issue a marker after FW becomes ready. */
6284                         qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
6285                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
6286                 }
6287
6288                 /* if no cable then assume it's good */
6289                 if ((vha->device_flags & DFLG_NO_CABLE))
6290                         status = 0;
6291         }
6292         return (status);
6293 }
6294
6295 static int
6296 qla25xx_init_queues(struct qla_hw_data *ha)
6297 {
6298         struct rsp_que *rsp = NULL;
6299         struct req_que *req = NULL;
6300         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
6301         int ret = -1;
6302         int i;
6303
6304         for (i = 1; i < ha->max_rsp_queues; i++) {
6305                 rsp = ha->rsp_q_map[i];
6306                 if (rsp && test_bit(i, ha->rsp_qid_map)) {
6307                         rsp->options &= ~BIT_0;
6308                         ret = qla25xx_init_rsp_que(base_vha, rsp);
6309                         if (ret != QLA_SUCCESS)
6310                                 ql_dbg(ql_dbg_init, base_vha, 0x00ff,
6311                                     "%s Rsp que: %d init failed.\n",
6312                                     __func__, rsp->id);
6313                         else
6314                                 ql_dbg(ql_dbg_init, base_vha, 0x0100,
6315                                     "%s Rsp que: %d inited.\n",
6316                                     __func__, rsp->id);
6317                 }
6318         }
6319         for (i = 1; i < ha->max_req_queues; i++) {
6320                 req = ha->req_q_map[i];
6321                 if (req && test_bit(i, ha->req_qid_map)) {
6322                         /* Clear outstanding commands array. */
6323                         req->options &= ~BIT_0;
6324                         ret = qla25xx_init_req_que(base_vha, req);
6325                         if (ret != QLA_SUCCESS)
6326                                 ql_dbg(ql_dbg_init, base_vha, 0x0101,
6327                                     "%s Req que: %d init failed.\n",
6328                                     __func__, req->id);
6329                         else
6330                                 ql_dbg(ql_dbg_init, base_vha, 0x0102,
6331                                     "%s Req que: %d inited.\n",
6332                                     __func__, req->id);
6333                 }
6334         }
6335         return ret;
6336 }
6337
6338 /*
6339 * qla2x00_reset_adapter
6340 *      Reset adapter.
6341 *
6342 * Input:
6343 *      ha = adapter block pointer.
6344 */
6345 void
6346 qla2x00_reset_adapter(scsi_qla_host_t *vha)
6347 {
6348         unsigned long flags = 0;
6349         struct qla_hw_data *ha = vha->hw;
6350         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
6351
6352         vha->flags.online = 0;
6353         ha->isp_ops->disable_intrs(ha);
6354
6355         spin_lock_irqsave(&ha->hardware_lock, flags);
6356         WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
6357         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
6358         WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
6359         RD_REG_WORD(&reg->hccr);                        /* PCI Posting. */
6360         spin_unlock_irqrestore(&ha->hardware_lock, flags);
6361 }
6362
6363 void
6364 qla24xx_reset_adapter(scsi_qla_host_t *vha)
6365 {
6366         unsigned long flags = 0;
6367         struct qla_hw_data *ha = vha->hw;
6368         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
6369
6370         if (IS_P3P_TYPE(ha))
6371                 return;
6372
6373         vha->flags.online = 0;
6374         ha->isp_ops->disable_intrs(ha);
6375
6376         spin_lock_irqsave(&ha->hardware_lock, flags);
6377         WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
6378         RD_REG_DWORD(&reg->hccr);
6379         WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
6380         RD_REG_DWORD(&reg->hccr);
6381         spin_unlock_irqrestore(&ha->hardware_lock, flags);
6382
6383         if (IS_NOPOLLING_TYPE(ha))
6384                 ha->isp_ops->enable_intrs(ha);
6385 }
6386
6387 /* On sparc systems, obtain port and node WWN from firmware
6388  * properties.
6389  */
6390 static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha,
6391         struct nvram_24xx *nv)
6392 {
6393 #ifdef CONFIG_SPARC
6394         struct qla_hw_data *ha = vha->hw;
6395         struct pci_dev *pdev = ha->pdev;
6396         struct device_node *dp = pci_device_to_OF_node(pdev);
6397         const u8 *val;
6398         int len;
6399
6400         val = of_get_property(dp, "port-wwn", &len);
6401         if (val && len >= WWN_SIZE)
6402                 memcpy(nv->port_name, val, WWN_SIZE);
6403
6404         val = of_get_property(dp, "node-wwn", &len);
6405         if (val && len >= WWN_SIZE)
6406                 memcpy(nv->node_name, val, WWN_SIZE);
6407 #endif
6408 }
6409
6410 int
6411 qla24xx_nvram_config(scsi_qla_host_t *vha)
6412 {
6413         int   rval;
6414         struct init_cb_24xx *icb;
6415         struct nvram_24xx *nv;
6416         uint32_t *dptr;
6417         uint8_t  *dptr1, *dptr2;
6418         uint32_t chksum;
6419         uint16_t cnt;
6420         struct qla_hw_data *ha = vha->hw;
6421
6422         rval = QLA_SUCCESS;
6423         icb = (struct init_cb_24xx *)ha->init_cb;
6424         nv = ha->nvram;
6425
6426         /* Determine NVRAM starting address. */
6427         if (ha->port_no == 0) {
6428                 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
6429                 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
6430         } else {
6431                 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
6432                 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
6433         }
6434
6435         ha->nvram_size = sizeof(struct nvram_24xx);
6436         ha->vpd_size = FA_NVRAM_VPD_SIZE;
6437
6438         /* Get VPD data into cache */
6439         ha->vpd = ha->nvram + VPD_OFFSET;
6440         ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd,
6441             ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
6442
6443         /* Get NVRAM data into cache and calculate checksum. */
6444         dptr = (uint32_t *)nv;
6445         ha->isp_ops->read_nvram(vha, (uint8_t *)dptr, ha->nvram_base,
6446             ha->nvram_size);
6447         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++, dptr++)
6448                 chksum += le32_to_cpu(*dptr);
6449
6450         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x006a,
6451             "Contents of NVRAM\n");
6452         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x010d,
6453             (uint8_t *)nv, ha->nvram_size);
6454
6455         /* Bad NVRAM data, set defaults parameters. */
6456         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
6457             || nv->id[3] != ' ' ||
6458             nv->nvram_version < cpu_to_le16(ICB_VERSION)) {
6459                 /* Reset NVRAM data. */
6460                 ql_log(ql_log_warn, vha, 0x006b,
6461                     "Inconsistent NVRAM detected: checksum=0x%x id=%c "
6462                     "version=0x%x.\n", chksum, nv->id[0], nv->nvram_version);
6463                 ql_log(ql_log_warn, vha, 0x006c,
6464                     "Falling back to functioning (yet invalid -- WWPN) "
6465                     "defaults.\n");
6466
6467                 /*
6468                  * Set default initialization control block.
6469                  */
6470                 memset(nv, 0, ha->nvram_size);
6471                 nv->nvram_version = cpu_to_le16(ICB_VERSION);
6472                 nv->version = cpu_to_le16(ICB_VERSION);
6473                 nv->frame_payload_size = 2048;
6474                 nv->execution_throttle = cpu_to_le16(0xFFFF);
6475                 nv->exchange_count = cpu_to_le16(0);
6476                 nv->hard_address = cpu_to_le16(124);
6477                 nv->port_name[0] = 0x21;
6478                 nv->port_name[1] = 0x00 + ha->port_no + 1;
6479                 nv->port_name[2] = 0x00;
6480                 nv->port_name[3] = 0xe0;
6481                 nv->port_name[4] = 0x8b;
6482                 nv->port_name[5] = 0x1c;
6483                 nv->port_name[6] = 0x55;
6484                 nv->port_name[7] = 0x86;
6485                 nv->node_name[0] = 0x20;
6486                 nv->node_name[1] = 0x00;
6487                 nv->node_name[2] = 0x00;
6488                 nv->node_name[3] = 0xe0;
6489                 nv->node_name[4] = 0x8b;
6490                 nv->node_name[5] = 0x1c;
6491                 nv->node_name[6] = 0x55;
6492                 nv->node_name[7] = 0x86;
6493                 qla24xx_nvram_wwn_from_ofw(vha, nv);
6494                 nv->login_retry_count = cpu_to_le16(8);
6495                 nv->interrupt_delay_timer = cpu_to_le16(0);
6496                 nv->login_timeout = cpu_to_le16(0);
6497                 nv->firmware_options_1 =
6498                     cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
6499                 nv->firmware_options_2 = cpu_to_le32(2 << 4);
6500                 nv->firmware_options_2 |= cpu_to_le32(BIT_12);
6501                 nv->firmware_options_3 = cpu_to_le32(2 << 13);
6502                 nv->host_p = cpu_to_le32(BIT_11|BIT_10);
6503                 nv->efi_parameters = cpu_to_le32(0);
6504                 nv->reset_delay = 5;
6505                 nv->max_luns_per_target = cpu_to_le16(128);
6506                 nv->port_down_retry_count = cpu_to_le16(30);
6507                 nv->link_down_timeout = cpu_to_le16(30);
6508
6509                 rval = 1;
6510         }
6511
6512         if (qla_tgt_mode_enabled(vha)) {
6513                 /* Don't enable full login after initial LIP */
6514                 nv->firmware_options_1 &= cpu_to_le32(~BIT_13);
6515                 /* Don't enable LIP full login for initiator */
6516                 nv->host_p &= cpu_to_le32(~BIT_10);
6517         }
6518
6519         qlt_24xx_config_nvram_stage1(vha, nv);
6520
6521         /* Reset Initialization control block */
6522         memset(icb, 0, ha->init_cb_size);
6523
6524         /* Copy 1st segment. */
6525         dptr1 = (uint8_t *)icb;
6526         dptr2 = (uint8_t *)&nv->version;
6527         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
6528         while (cnt--)
6529                 *dptr1++ = *dptr2++;
6530
6531         icb->login_retry_count = nv->login_retry_count;
6532         icb->link_down_on_nos = nv->link_down_on_nos;
6533
6534         /* Copy 2nd segment. */
6535         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
6536         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
6537         cnt = (uint8_t *)&icb->reserved_3 -
6538             (uint8_t *)&icb->interrupt_delay_timer;
6539         while (cnt--)
6540                 *dptr1++ = *dptr2++;
6541
6542         /*
6543          * Setup driver NVRAM options.
6544          */
6545         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
6546             "QLA2462");
6547
6548         qlt_24xx_config_nvram_stage2(vha, icb);
6549
6550         if (nv->host_p & cpu_to_le32(BIT_15)) {
6551                 /* Use alternate WWN? */
6552                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
6553                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
6554         }
6555
6556         /* Prepare nodename */
6557         if ((icb->firmware_options_1 & cpu_to_le32(BIT_14)) == 0) {
6558                 /*
6559                  * Firmware will apply the following mask if the nodename was
6560                  * not provided.
6561                  */
6562                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
6563                 icb->node_name[0] &= 0xF0;
6564         }
6565
6566         /* Set host adapter parameters. */
6567         ha->flags.disable_risc_code_load = 0;
6568         ha->flags.enable_lip_reset = 0;
6569         ha->flags.enable_lip_full_login =
6570             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
6571         ha->flags.enable_target_reset =
6572             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
6573         ha->flags.enable_led_scheme = 0;
6574         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
6575
6576         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
6577             (BIT_6 | BIT_5 | BIT_4)) >> 4;
6578
6579         memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
6580             sizeof(ha->fw_seriallink_options24));
6581
6582         /* save HBA serial number */
6583         ha->serial0 = icb->port_name[5];
6584         ha->serial1 = icb->port_name[6];
6585         ha->serial2 = icb->port_name[7];
6586         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
6587         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
6588
6589         icb->execution_throttle = cpu_to_le16(0xFFFF);
6590
6591         ha->retry_count = le16_to_cpu(nv->login_retry_count);
6592
6593         /* Set minimum login_timeout to 4 seconds. */
6594         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
6595                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
6596         if (le16_to_cpu(nv->login_timeout) < 4)
6597                 nv->login_timeout = cpu_to_le16(4);
6598         ha->login_timeout = le16_to_cpu(nv->login_timeout);
6599
6600         /* Set minimum RATOV to 100 tenths of a second. */
6601         ha->r_a_tov = 100;
6602
6603         ha->loop_reset_delay = nv->reset_delay;
6604
6605         /* Link Down Timeout = 0:
6606          *
6607          *      When Port Down timer expires we will start returning
6608          *      I/O's to OS with "DID_NO_CONNECT".
6609          *
6610          * Link Down Timeout != 0:
6611          *
6612          *       The driver waits for the link to come up after link down
6613          *       before returning I/Os to OS with "DID_NO_CONNECT".
6614          */
6615         if (le16_to_cpu(nv->link_down_timeout) == 0) {
6616                 ha->loop_down_abort_time =
6617                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
6618         } else {
6619                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
6620                 ha->loop_down_abort_time =
6621                     (LOOP_DOWN_TIME - ha->link_down_timeout);
6622         }
6623
6624         /* Need enough time to try and get the port back. */
6625         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
6626         if (qlport_down_retry)
6627                 ha->port_down_retry_count = qlport_down_retry;
6628
6629         /* Set login_retry_count */
6630         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
6631         if (ha->port_down_retry_count ==
6632             le16_to_cpu(nv->port_down_retry_count) &&
6633             ha->port_down_retry_count > 3)
6634                 ha->login_retry_count = ha->port_down_retry_count;
6635         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
6636                 ha->login_retry_count = ha->port_down_retry_count;
6637         if (ql2xloginretrycount)
6638                 ha->login_retry_count = ql2xloginretrycount;
6639
6640         /* Enable ZIO. */
6641         if (!vha->flags.init_done) {
6642                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
6643                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
6644                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
6645                     le16_to_cpu(icb->interrupt_delay_timer): 2;
6646         }
6647         icb->firmware_options_2 &= cpu_to_le32(
6648             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
6649         vha->flags.process_response_queue = 0;
6650         if (ha->zio_mode != QLA_ZIO_DISABLED) {
6651                 ha->zio_mode = QLA_ZIO_MODE_6;
6652
6653                 ql_log(ql_log_info, vha, 0x006f,
6654                     "ZIO mode %d enabled; timer delay (%d us).\n",
6655                     ha->zio_mode, ha->zio_timer * 100);
6656
6657                 icb->firmware_options_2 |= cpu_to_le32(
6658                     (uint32_t)ha->zio_mode);
6659                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
6660                 vha->flags.process_response_queue = 1;
6661         }
6662
6663         if (rval) {
6664                 ql_log(ql_log_warn, vha, 0x0070,
6665                     "NVRAM configuration failed.\n");
6666         }
6667         return (rval);
6668 }
6669
6670 uint8_t qla27xx_find_valid_image(struct scsi_qla_host *vha)
6671 {
6672         struct qla27xx_image_status pri_image_status, sec_image_status;
6673         uint8_t valid_pri_image, valid_sec_image;
6674         uint32_t *wptr;
6675         uint32_t cnt, chksum, size;
6676         struct qla_hw_data *ha = vha->hw;
6677
6678         valid_pri_image = valid_sec_image = 1;
6679         ha->active_image = 0;
6680         size = sizeof(struct qla27xx_image_status) / sizeof(uint32_t);
6681
6682         if (!ha->flt_region_img_status_pri) {
6683                 valid_pri_image = 0;
6684                 goto check_sec_image;
6685         }
6686
6687         qla24xx_read_flash_data(vha, (uint32_t *)(&pri_image_status),
6688             ha->flt_region_img_status_pri, size);
6689
6690         if (pri_image_status.signature != QLA27XX_IMG_STATUS_SIGN) {
6691                 ql_dbg(ql_dbg_init, vha, 0x018b,
6692                     "Primary image signature (0x%x) not valid\n",
6693                     pri_image_status.signature);
6694                 valid_pri_image = 0;
6695                 goto check_sec_image;
6696         }
6697
6698         wptr = (uint32_t *)(&pri_image_status);
6699         cnt = size;
6700
6701         for (chksum = 0; cnt--; wptr++)
6702                 chksum += le32_to_cpu(*wptr);
6703
6704         if (chksum) {
6705                 ql_dbg(ql_dbg_init, vha, 0x018c,
6706                     "Checksum validation failed for primary image (0x%x)\n",
6707                     chksum);
6708                 valid_pri_image = 0;
6709         }
6710
6711 check_sec_image:
6712         if (!ha->flt_region_img_status_sec) {
6713                 valid_sec_image = 0;
6714                 goto check_valid_image;
6715         }
6716
6717         qla24xx_read_flash_data(vha, (uint32_t *)(&sec_image_status),
6718             ha->flt_region_img_status_sec, size);
6719
6720         if (sec_image_status.signature != QLA27XX_IMG_STATUS_SIGN) {
6721                 ql_dbg(ql_dbg_init, vha, 0x018d,
6722                     "Secondary image signature(0x%x) not valid\n",
6723                     sec_image_status.signature);
6724                 valid_sec_image = 0;
6725                 goto check_valid_image;
6726         }
6727
6728         wptr = (uint32_t *)(&sec_image_status);
6729         cnt = size;
6730         for (chksum = 0; cnt--; wptr++)
6731                 chksum += le32_to_cpu(*wptr);
6732         if (chksum) {
6733                 ql_dbg(ql_dbg_init, vha, 0x018e,
6734                     "Checksum validation failed for secondary image (0x%x)\n",
6735                     chksum);
6736                 valid_sec_image = 0;
6737         }
6738
6739 check_valid_image:
6740         if (valid_pri_image && (pri_image_status.image_status_mask & 0x1))
6741                 ha->active_image = QLA27XX_PRIMARY_IMAGE;
6742         if (valid_sec_image && (sec_image_status.image_status_mask & 0x1)) {
6743                 if (!ha->active_image ||
6744                     pri_image_status.generation_number <
6745                     sec_image_status.generation_number)
6746                         ha->active_image = QLA27XX_SECONDARY_IMAGE;
6747         }
6748
6749         ql_dbg(ql_dbg_init, vha, 0x018f, "%s image\n",
6750             ha->active_image == 0 ? "default bootld and fw" :
6751             ha->active_image == 1 ? "primary" :
6752             ha->active_image == 2 ? "secondary" :
6753             "Invalid");
6754
6755         return ha->active_image;
6756 }
6757
6758 static int
6759 qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr,
6760     uint32_t faddr)
6761 {
6762         int     rval = QLA_SUCCESS;
6763         int     segments, fragment;
6764         uint32_t *dcode, dlen;
6765         uint32_t risc_addr;
6766         uint32_t risc_size;
6767         uint32_t i;
6768         struct qla_hw_data *ha = vha->hw;
6769         struct req_que *req = ha->req_q_map[0];
6770
6771         ql_dbg(ql_dbg_init, vha, 0x008b,
6772             "FW: Loading firmware from flash (%x).\n", faddr);
6773
6774         rval = QLA_SUCCESS;
6775
6776         segments = FA_RISC_CODE_SEGMENTS;
6777         dcode = (uint32_t *)req->ring;
6778         *srisc_addr = 0;
6779
6780         if (IS_QLA27XX(ha) &&
6781             qla27xx_find_valid_image(vha) == QLA27XX_SECONDARY_IMAGE)
6782                 faddr = ha->flt_region_fw_sec;
6783
6784         /* Validate firmware image by checking version. */
6785         qla24xx_read_flash_data(vha, dcode, faddr + 4, 4);
6786         for (i = 0; i < 4; i++)
6787                 dcode[i] = be32_to_cpu(dcode[i]);
6788         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
6789             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
6790             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
6791                 dcode[3] == 0)) {
6792                 ql_log(ql_log_fatal, vha, 0x008c,
6793                     "Unable to verify the integrity of flash firmware "
6794                     "image.\n");
6795                 ql_log(ql_log_fatal, vha, 0x008d,
6796                     "Firmware data: %08x %08x %08x %08x.\n",
6797                     dcode[0], dcode[1], dcode[2], dcode[3]);
6798
6799                 return QLA_FUNCTION_FAILED;
6800         }
6801
6802         while (segments && rval == QLA_SUCCESS) {
6803                 /* Read segment's load information. */
6804                 qla24xx_read_flash_data(vha, dcode, faddr, 4);
6805
6806                 risc_addr = be32_to_cpu(dcode[2]);
6807                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
6808                 risc_size = be32_to_cpu(dcode[3]);
6809
6810                 fragment = 0;
6811                 while (risc_size > 0 && rval == QLA_SUCCESS) {
6812                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
6813                         if (dlen > risc_size)
6814                                 dlen = risc_size;
6815
6816                         ql_dbg(ql_dbg_init, vha, 0x008e,
6817                             "Loading risc segment@ risc addr %x "
6818                             "number of dwords 0x%x offset 0x%x.\n",
6819                             risc_addr, dlen, faddr);
6820
6821                         qla24xx_read_flash_data(vha, dcode, faddr, dlen);
6822                         for (i = 0; i < dlen; i++)
6823                                 dcode[i] = swab32(dcode[i]);
6824
6825                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
6826                             dlen);
6827                         if (rval) {
6828                                 ql_log(ql_log_fatal, vha, 0x008f,
6829                                     "Failed to load segment %d of firmware.\n",
6830                                     fragment);
6831                                 return QLA_FUNCTION_FAILED;
6832                         }
6833
6834                         faddr += dlen;
6835                         risc_addr += dlen;
6836                         risc_size -= dlen;
6837                         fragment++;
6838                 }
6839
6840                 /* Next segment. */
6841                 segments--;
6842         }
6843
6844         if (!IS_QLA27XX(ha))
6845                 return rval;
6846
6847         if (ha->fw_dump_template)
6848                 vfree(ha->fw_dump_template);
6849         ha->fw_dump_template = NULL;
6850         ha->fw_dump_template_len = 0;
6851
6852         ql_dbg(ql_dbg_init, vha, 0x0161,
6853             "Loading fwdump template from %x\n", faddr);
6854         qla24xx_read_flash_data(vha, dcode, faddr, 7);
6855         risc_size = be32_to_cpu(dcode[2]);
6856         ql_dbg(ql_dbg_init, vha, 0x0162,
6857             "-> array size %x dwords\n", risc_size);
6858         if (risc_size == 0 || risc_size == ~0)
6859                 goto default_template;
6860
6861         dlen = (risc_size - 8) * sizeof(*dcode);
6862         ql_dbg(ql_dbg_init, vha, 0x0163,
6863             "-> template allocating %x bytes...\n", dlen);
6864         ha->fw_dump_template = vmalloc(dlen);
6865         if (!ha->fw_dump_template) {
6866                 ql_log(ql_log_warn, vha, 0x0164,
6867                     "Failed fwdump template allocate %x bytes.\n", risc_size);
6868                 goto default_template;
6869         }
6870
6871         faddr += 7;
6872         risc_size -= 8;
6873         dcode = ha->fw_dump_template;
6874         qla24xx_read_flash_data(vha, dcode, faddr, risc_size);
6875         for (i = 0; i < risc_size; i++)
6876                 dcode[i] = le32_to_cpu(dcode[i]);
6877
6878         if (!qla27xx_fwdt_template_valid(dcode)) {
6879                 ql_log(ql_log_warn, vha, 0x0165,
6880                     "Failed fwdump template validate\n");
6881                 goto default_template;
6882         }
6883
6884         dlen = qla27xx_fwdt_template_size(dcode);
6885         ql_dbg(ql_dbg_init, vha, 0x0166,
6886             "-> template size %x bytes\n", dlen);
6887         if (dlen > risc_size * sizeof(*dcode)) {
6888                 ql_log(ql_log_warn, vha, 0x0167,
6889                     "Failed fwdump template exceeds array by %zx bytes\n",
6890                     (size_t)(dlen - risc_size * sizeof(*dcode)));
6891                 goto default_template;
6892         }
6893         ha->fw_dump_template_len = dlen;
6894         return rval;
6895
6896 default_template:
6897         ql_log(ql_log_warn, vha, 0x0168, "Using default fwdump template\n");
6898         if (ha->fw_dump_template)
6899                 vfree(ha->fw_dump_template);
6900         ha->fw_dump_template = NULL;
6901         ha->fw_dump_template_len = 0;
6902
6903         dlen = qla27xx_fwdt_template_default_size();
6904         ql_dbg(ql_dbg_init, vha, 0x0169,
6905             "-> template allocating %x bytes...\n", dlen);
6906         ha->fw_dump_template = vmalloc(dlen);
6907         if (!ha->fw_dump_template) {
6908                 ql_log(ql_log_warn, vha, 0x016a,
6909                     "Failed fwdump template allocate %x bytes.\n", risc_size);
6910                 goto failed_template;
6911         }
6912
6913         dcode = ha->fw_dump_template;
6914         risc_size = dlen / sizeof(*dcode);
6915         memcpy(dcode, qla27xx_fwdt_template_default(), dlen);
6916         for (i = 0; i < risc_size; i++)
6917                 dcode[i] = be32_to_cpu(dcode[i]);
6918
6919         if (!qla27xx_fwdt_template_valid(ha->fw_dump_template)) {
6920                 ql_log(ql_log_warn, vha, 0x016b,
6921                     "Failed fwdump template validate\n");
6922                 goto failed_template;
6923         }
6924
6925         dlen = qla27xx_fwdt_template_size(ha->fw_dump_template);
6926         ql_dbg(ql_dbg_init, vha, 0x016c,
6927             "-> template size %x bytes\n", dlen);
6928         ha->fw_dump_template_len = dlen;
6929         return rval;
6930
6931 failed_template:
6932         ql_log(ql_log_warn, vha, 0x016d, "Failed default fwdump template\n");
6933         if (ha->fw_dump_template)
6934                 vfree(ha->fw_dump_template);
6935         ha->fw_dump_template = NULL;
6936         ha->fw_dump_template_len = 0;
6937         return rval;
6938 }
6939
6940 #define QLA_FW_URL "http://ldriver.qlogic.com/firmware/"
6941
6942 int
6943 qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
6944 {
6945         int     rval;
6946         int     i, fragment;
6947         uint16_t *wcode, *fwcode;
6948         uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
6949         struct fw_blob *blob;
6950         struct qla_hw_data *ha = vha->hw;
6951         struct req_que *req = ha->req_q_map[0];
6952
6953         /* Load firmware blob. */
6954         blob = qla2x00_request_firmware(vha);
6955         if (!blob) {
6956                 ql_log(ql_log_info, vha, 0x0083,
6957                     "Firmware image unavailable.\n");
6958                 ql_log(ql_log_info, vha, 0x0084,
6959                     "Firmware images can be retrieved from: "QLA_FW_URL ".\n");
6960                 return QLA_FUNCTION_FAILED;
6961         }
6962
6963         rval = QLA_SUCCESS;
6964
6965         wcode = (uint16_t *)req->ring;
6966         *srisc_addr = 0;
6967         fwcode = (uint16_t *)blob->fw->data;
6968         fwclen = 0;
6969
6970         /* Validate firmware image by checking version. */
6971         if (blob->fw->size < 8 * sizeof(uint16_t)) {
6972                 ql_log(ql_log_fatal, vha, 0x0085,
6973                     "Unable to verify integrity of firmware image (%zd).\n",
6974                     blob->fw->size);
6975                 goto fail_fw_integrity;
6976         }
6977         for (i = 0; i < 4; i++)
6978                 wcode[i] = be16_to_cpu(fwcode[i + 4]);
6979         if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
6980             wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
6981                 wcode[2] == 0 && wcode[3] == 0)) {
6982                 ql_log(ql_log_fatal, vha, 0x0086,
6983                     "Unable to verify integrity of firmware image.\n");
6984                 ql_log(ql_log_fatal, vha, 0x0087,
6985                     "Firmware data: %04x %04x %04x %04x.\n",
6986                     wcode[0], wcode[1], wcode[2], wcode[3]);
6987                 goto fail_fw_integrity;
6988         }
6989
6990         seg = blob->segs;
6991         while (*seg && rval == QLA_SUCCESS) {
6992                 risc_addr = *seg;
6993                 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
6994                 risc_size = be16_to_cpu(fwcode[3]);
6995
6996                 /* Validate firmware image size. */
6997                 fwclen += risc_size * sizeof(uint16_t);
6998                 if (blob->fw->size < fwclen) {
6999                         ql_log(ql_log_fatal, vha, 0x0088,
7000                             "Unable to verify integrity of firmware image "
7001                             "(%zd).\n", blob->fw->size);
7002                         goto fail_fw_integrity;
7003                 }
7004
7005                 fragment = 0;
7006                 while (risc_size > 0 && rval == QLA_SUCCESS) {
7007                         wlen = (uint16_t)(ha->fw_transfer_size >> 1);
7008                         if (wlen > risc_size)
7009                                 wlen = risc_size;
7010                         ql_dbg(ql_dbg_init, vha, 0x0089,
7011                             "Loading risc segment@ risc addr %x number of "
7012                             "words 0x%x.\n", risc_addr, wlen);
7013
7014                         for (i = 0; i < wlen; i++)
7015                                 wcode[i] = swab16(fwcode[i]);
7016
7017                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
7018                             wlen);
7019                         if (rval) {
7020                                 ql_log(ql_log_fatal, vha, 0x008a,
7021                                     "Failed to load segment %d of firmware.\n",
7022                                     fragment);
7023                                 break;
7024                         }
7025
7026                         fwcode += wlen;
7027                         risc_addr += wlen;
7028                         risc_size -= wlen;
7029                         fragment++;
7030                 }
7031
7032                 /* Next segment. */
7033                 seg++;
7034         }
7035         return rval;
7036
7037 fail_fw_integrity:
7038         return QLA_FUNCTION_FAILED;
7039 }
7040
7041 static int
7042 qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
7043 {
7044         int     rval;
7045         int     segments, fragment;
7046         uint32_t *dcode, dlen;
7047         uint32_t risc_addr;
7048         uint32_t risc_size;
7049         uint32_t i;
7050         struct fw_blob *blob;
7051         const uint32_t *fwcode;
7052         uint32_t fwclen;
7053         struct qla_hw_data *ha = vha->hw;
7054         struct req_que *req = ha->req_q_map[0];
7055
7056         /* Load firmware blob. */
7057         blob = qla2x00_request_firmware(vha);
7058         if (!blob) {
7059                 ql_log(ql_log_warn, vha, 0x0090,
7060                     "Firmware image unavailable.\n");
7061                 ql_log(ql_log_warn, vha, 0x0091,
7062                     "Firmware images can be retrieved from: "
7063                     QLA_FW_URL ".\n");
7064
7065                 return QLA_FUNCTION_FAILED;
7066         }
7067
7068         ql_dbg(ql_dbg_init, vha, 0x0092,
7069             "FW: Loading via request-firmware.\n");
7070
7071         rval = QLA_SUCCESS;
7072
7073         segments = FA_RISC_CODE_SEGMENTS;
7074         dcode = (uint32_t *)req->ring;
7075         *srisc_addr = 0;
7076         fwcode = (uint32_t *)blob->fw->data;
7077         fwclen = 0;
7078
7079         /* Validate firmware image by checking version. */
7080         if (blob->fw->size < 8 * sizeof(uint32_t)) {
7081                 ql_log(ql_log_fatal, vha, 0x0093,
7082                     "Unable to verify integrity of firmware image (%zd).\n",
7083                     blob->fw->size);
7084                 return QLA_FUNCTION_FAILED;
7085         }
7086         for (i = 0; i < 4; i++)
7087                 dcode[i] = be32_to_cpu(fwcode[i + 4]);
7088         if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
7089             dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
7090             (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
7091                 dcode[3] == 0)) {
7092                 ql_log(ql_log_fatal, vha, 0x0094,
7093                     "Unable to verify integrity of firmware image (%zd).\n",
7094                     blob->fw->size);
7095                 ql_log(ql_log_fatal, vha, 0x0095,
7096                     "Firmware data: %08x %08x %08x %08x.\n",
7097                     dcode[0], dcode[1], dcode[2], dcode[3]);
7098                 return QLA_FUNCTION_FAILED;
7099         }
7100
7101         while (segments && rval == QLA_SUCCESS) {
7102                 risc_addr = be32_to_cpu(fwcode[2]);
7103                 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
7104                 risc_size = be32_to_cpu(fwcode[3]);
7105
7106                 /* Validate firmware image size. */
7107                 fwclen += risc_size * sizeof(uint32_t);
7108                 if (blob->fw->size < fwclen) {
7109                         ql_log(ql_log_fatal, vha, 0x0096,
7110                             "Unable to verify integrity of firmware image "
7111                             "(%zd).\n", blob->fw->size);
7112                         return QLA_FUNCTION_FAILED;
7113                 }
7114
7115                 fragment = 0;
7116                 while (risc_size > 0 && rval == QLA_SUCCESS) {
7117                         dlen = (uint32_t)(ha->fw_transfer_size >> 2);
7118                         if (dlen > risc_size)
7119                                 dlen = risc_size;
7120
7121                         ql_dbg(ql_dbg_init, vha, 0x0097,
7122                             "Loading risc segment@ risc addr %x "
7123                             "number of dwords 0x%x.\n", risc_addr, dlen);
7124
7125                         for (i = 0; i < dlen; i++)
7126                                 dcode[i] = swab32(fwcode[i]);
7127
7128                         rval = qla2x00_load_ram(vha, req->dma, risc_addr,
7129                             dlen);
7130                         if (rval) {
7131                                 ql_log(ql_log_fatal, vha, 0x0098,
7132                                     "Failed to load segment %d of firmware.\n",
7133                                     fragment);
7134                                 return QLA_FUNCTION_FAILED;
7135                         }
7136
7137                         fwcode += dlen;
7138                         risc_addr += dlen;
7139                         risc_size -= dlen;
7140                         fragment++;
7141                 }
7142
7143                 /* Next segment. */
7144                 segments--;
7145         }
7146
7147         if (!IS_QLA27XX(ha))
7148                 return rval;
7149
7150         if (ha->fw_dump_template)
7151                 vfree(ha->fw_dump_template);
7152         ha->fw_dump_template = NULL;
7153         ha->fw_dump_template_len = 0;
7154
7155         ql_dbg(ql_dbg_init, vha, 0x171,
7156             "Loading fwdump template from %x\n",
7157             (uint32_t)((void *)fwcode - (void *)blob->fw->data));
7158         risc_size = be32_to_cpu(fwcode[2]);
7159         ql_dbg(ql_dbg_init, vha, 0x172,
7160             "-> array size %x dwords\n", risc_size);
7161         if (risc_size == 0 || risc_size == ~0)
7162                 goto default_template;
7163
7164         dlen = (risc_size - 8) * sizeof(*fwcode);
7165         ql_dbg(ql_dbg_init, vha, 0x0173,
7166             "-> template allocating %x bytes...\n", dlen);
7167         ha->fw_dump_template = vmalloc(dlen);
7168         if (!ha->fw_dump_template) {
7169                 ql_log(ql_log_warn, vha, 0x0174,
7170                     "Failed fwdump template allocate %x bytes.\n", risc_size);
7171                 goto default_template;
7172         }
7173
7174         fwcode += 7;
7175         risc_size -= 8;
7176         dcode = ha->fw_dump_template;
7177         for (i = 0; i < risc_size; i++)
7178                 dcode[i] = le32_to_cpu(fwcode[i]);
7179
7180         if (!qla27xx_fwdt_template_valid(dcode)) {
7181                 ql_log(ql_log_warn, vha, 0x0175,
7182                     "Failed fwdump template validate\n");
7183                 goto default_template;
7184         }
7185
7186         dlen = qla27xx_fwdt_template_size(dcode);
7187         ql_dbg(ql_dbg_init, vha, 0x0176,
7188             "-> template size %x bytes\n", dlen);
7189         if (dlen > risc_size * sizeof(*fwcode)) {
7190                 ql_log(ql_log_warn, vha, 0x0177,
7191                     "Failed fwdump template exceeds array by %zx bytes\n",
7192                     (size_t)(dlen - risc_size * sizeof(*fwcode)));
7193                 goto default_template;
7194         }
7195         ha->fw_dump_template_len = dlen;
7196         return rval;
7197
7198 default_template:
7199         ql_log(ql_log_warn, vha, 0x0178, "Using default fwdump template\n");
7200         if (ha->fw_dump_template)
7201                 vfree(ha->fw_dump_template);
7202         ha->fw_dump_template = NULL;
7203         ha->fw_dump_template_len = 0;
7204
7205         dlen = qla27xx_fwdt_template_default_size();
7206         ql_dbg(ql_dbg_init, vha, 0x0179,
7207             "-> template allocating %x bytes...\n", dlen);
7208         ha->fw_dump_template = vmalloc(dlen);
7209         if (!ha->fw_dump_template) {
7210                 ql_log(ql_log_warn, vha, 0x017a,
7211                     "Failed fwdump template allocate %x bytes.\n", risc_size);
7212                 goto failed_template;
7213         }
7214
7215         dcode = ha->fw_dump_template;
7216         risc_size = dlen / sizeof(*fwcode);
7217         fwcode = qla27xx_fwdt_template_default();
7218         for (i = 0; i < risc_size; i++)
7219                 dcode[i] = be32_to_cpu(fwcode[i]);
7220
7221         if (!qla27xx_fwdt_template_valid(ha->fw_dump_template)) {
7222                 ql_log(ql_log_warn, vha, 0x017b,
7223                     "Failed fwdump template validate\n");
7224                 goto failed_template;
7225         }
7226
7227         dlen = qla27xx_fwdt_template_size(ha->fw_dump_template);
7228         ql_dbg(ql_dbg_init, vha, 0x017c,
7229             "-> template size %x bytes\n", dlen);
7230         ha->fw_dump_template_len = dlen;
7231         return rval;
7232
7233 failed_template:
7234         ql_log(ql_log_warn, vha, 0x017d, "Failed default fwdump template\n");
7235         if (ha->fw_dump_template)
7236                 vfree(ha->fw_dump_template);
7237         ha->fw_dump_template = NULL;
7238         ha->fw_dump_template_len = 0;
7239         return rval;
7240 }
7241
7242 int
7243 qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
7244 {
7245         int rval;
7246
7247         if (ql2xfwloadbin == 1)
7248                 return qla81xx_load_risc(vha, srisc_addr);
7249
7250         /*
7251          * FW Load priority:
7252          * 1) Firmware via request-firmware interface (.bin file).
7253          * 2) Firmware residing in flash.
7254          */
7255         rval = qla24xx_load_risc_blob(vha, srisc_addr);
7256         if (rval == QLA_SUCCESS)
7257                 return rval;
7258
7259         return qla24xx_load_risc_flash(vha, srisc_addr,
7260             vha->hw->flt_region_fw);
7261 }
7262
7263 int
7264 qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
7265 {
7266         int rval;
7267         struct qla_hw_data *ha = vha->hw;
7268
7269         if (ql2xfwloadbin == 2)
7270                 goto try_blob_fw;
7271
7272         /*
7273          * FW Load priority:
7274          * 1) Firmware residing in flash.
7275          * 2) Firmware via request-firmware interface (.bin file).
7276          * 3) Golden-Firmware residing in flash -- limited operation.
7277          */
7278         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw);
7279         if (rval == QLA_SUCCESS)
7280                 return rval;
7281
7282 try_blob_fw:
7283         rval = qla24xx_load_risc_blob(vha, srisc_addr);
7284         if (rval == QLA_SUCCESS || !ha->flt_region_gold_fw)
7285                 return rval;
7286
7287         ql_log(ql_log_info, vha, 0x0099,
7288             "Attempting to fallback to golden firmware.\n");
7289         rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_gold_fw);
7290         if (rval != QLA_SUCCESS)
7291                 return rval;
7292
7293         ql_log(ql_log_info, vha, 0x009a, "Update operational firmware.\n");
7294         ha->flags.running_gold_fw = 1;
7295         return rval;
7296 }
7297
7298 void
7299 qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
7300 {
7301         int ret, retries;
7302         struct qla_hw_data *ha = vha->hw;
7303
7304         if (ha->flags.pci_channel_io_perm_failure)
7305                 return;
7306         if (!IS_FWI2_CAPABLE(ha))
7307                 return;
7308         if (!ha->fw_major_version)
7309                 return;
7310         if (!ha->flags.fw_started)
7311                 return;
7312
7313         ret = qla2x00_stop_firmware(vha);
7314         for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
7315             ret != QLA_INVALID_COMMAND && retries ; retries--) {
7316                 ha->isp_ops->reset_chip(vha);
7317                 if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS)
7318                         continue;
7319                 if (qla2x00_setup_chip(vha) != QLA_SUCCESS)
7320                         continue;
7321                 ql_log(ql_log_info, vha, 0x8015,
7322                     "Attempting retry of stop-firmware command.\n");
7323                 ret = qla2x00_stop_firmware(vha);
7324         }
7325
7326         QLA_FW_STOPPED(ha);
7327         ha->flags.fw_init_done = 0;
7328 }
7329
7330 int
7331 qla24xx_configure_vhba(scsi_qla_host_t *vha)
7332 {
7333         int rval = QLA_SUCCESS;
7334         int rval2;
7335         uint16_t mb[MAILBOX_REGISTER_COUNT];
7336         struct qla_hw_data *ha = vha->hw;
7337         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
7338         struct req_que *req;
7339         struct rsp_que *rsp;
7340
7341         if (!vha->vp_idx)
7342                 return -EINVAL;
7343
7344         rval = qla2x00_fw_ready(base_vha);
7345         if (vha->qpair)
7346                 req = vha->qpair->req;
7347         else
7348                 req = ha->req_q_map[0];
7349         rsp = req->rsp;
7350
7351         if (rval == QLA_SUCCESS) {
7352                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
7353                 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
7354         }
7355
7356         vha->flags.management_server_logged_in = 0;
7357
7358         /* Login to SNS first */
7359         rval2 = ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb,
7360             BIT_1);
7361         if (rval2 != QLA_SUCCESS || mb[0] != MBS_COMMAND_COMPLETE) {
7362                 if (rval2 == QLA_MEMORY_ALLOC_FAILED)
7363                         ql_dbg(ql_dbg_init, vha, 0x0120,
7364                             "Failed SNS login: loop_id=%x, rval2=%d\n",
7365                             NPH_SNS, rval2);
7366                 else
7367                         ql_dbg(ql_dbg_init, vha, 0x0103,
7368                             "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
7369                             "mb[2]=%x mb[6]=%x mb[7]=%x.\n",
7370                             NPH_SNS, mb[0], mb[1], mb[2], mb[6], mb[7]);
7371                 return (QLA_FUNCTION_FAILED);
7372         }
7373
7374         atomic_set(&vha->loop_down_timer, 0);
7375         atomic_set(&vha->loop_state, LOOP_UP);
7376         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
7377         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
7378         rval = qla2x00_loop_resync(base_vha);
7379
7380         return rval;
7381 }
7382
7383 /* 84XX Support **************************************************************/
7384
7385 static LIST_HEAD(qla_cs84xx_list);
7386 static DEFINE_MUTEX(qla_cs84xx_mutex);
7387
7388 static struct qla_chip_state_84xx *
7389 qla84xx_get_chip(struct scsi_qla_host *vha)
7390 {
7391         struct qla_chip_state_84xx *cs84xx;
7392         struct qla_hw_data *ha = vha->hw;
7393
7394         mutex_lock(&qla_cs84xx_mutex);
7395
7396         /* Find any shared 84xx chip. */
7397         list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
7398                 if (cs84xx->bus == ha->pdev->bus) {
7399                         kref_get(&cs84xx->kref);
7400                         goto done;
7401                 }
7402         }
7403
7404         cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
7405         if (!cs84xx)
7406                 goto done;
7407
7408         kref_init(&cs84xx->kref);
7409         spin_lock_init(&cs84xx->access_lock);
7410         mutex_init(&cs84xx->fw_update_mutex);
7411         cs84xx->bus = ha->pdev->bus;
7412
7413         list_add_tail(&cs84xx->list, &qla_cs84xx_list);
7414 done:
7415         mutex_unlock(&qla_cs84xx_mutex);
7416         return cs84xx;
7417 }
7418
7419 static void
7420 __qla84xx_chip_release(struct kref *kref)
7421 {
7422         struct qla_chip_state_84xx *cs84xx =
7423             container_of(kref, struct qla_chip_state_84xx, kref);
7424
7425         mutex_lock(&qla_cs84xx_mutex);
7426         list_del(&cs84xx->list);
7427         mutex_unlock(&qla_cs84xx_mutex);
7428         kfree(cs84xx);
7429 }
7430
7431 void
7432 qla84xx_put_chip(struct scsi_qla_host *vha)
7433 {
7434         struct qla_hw_data *ha = vha->hw;
7435         if (ha->cs84xx)
7436                 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
7437 }
7438
7439 static int
7440 qla84xx_init_chip(scsi_qla_host_t *vha)
7441 {
7442         int rval;
7443         uint16_t status[2];
7444         struct qla_hw_data *ha = vha->hw;
7445
7446         mutex_lock(&ha->cs84xx->fw_update_mutex);
7447
7448         rval = qla84xx_verify_chip(vha, status);
7449
7450         mutex_unlock(&ha->cs84xx->fw_update_mutex);
7451
7452         return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED:
7453             QLA_SUCCESS;
7454 }
7455
7456 /* 81XX Support **************************************************************/
7457
7458 int
7459 qla81xx_nvram_config(scsi_qla_host_t *vha)
7460 {
7461         int   rval;
7462         struct init_cb_81xx *icb;
7463         struct nvram_81xx *nv;
7464         uint32_t *dptr;
7465         uint8_t  *dptr1, *dptr2;
7466         uint32_t chksum;
7467         uint16_t cnt;
7468         struct qla_hw_data *ha = vha->hw;
7469
7470         rval = QLA_SUCCESS;
7471         icb = (struct init_cb_81xx *)ha->init_cb;
7472         nv = ha->nvram;
7473
7474         /* Determine NVRAM starting address. */
7475         ha->nvram_size = sizeof(struct nvram_81xx);
7476         ha->vpd_size = FA_NVRAM_VPD_SIZE;
7477         if (IS_P3P_TYPE(ha) || IS_QLA8031(ha))
7478                 ha->vpd_size = FA_VPD_SIZE_82XX;
7479
7480         /* Get VPD data into cache */
7481         ha->vpd = ha->nvram + VPD_OFFSET;
7482         ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_vpd << 2,
7483             ha->vpd_size);
7484
7485         /* Get NVRAM data into cache and calculate checksum. */
7486         ha->isp_ops->read_optrom(vha, ha->nvram, ha->flt_region_nvram << 2,
7487             ha->nvram_size);
7488         dptr = (uint32_t *)nv;
7489         for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++, dptr++)
7490                 chksum += le32_to_cpu(*dptr);
7491
7492         ql_dbg(ql_dbg_init + ql_dbg_buffer, vha, 0x0111,
7493             "Contents of NVRAM:\n");
7494         ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0112,
7495             (uint8_t *)nv, ha->nvram_size);
7496
7497         /* Bad NVRAM data, set defaults parameters. */
7498         if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
7499             || nv->id[3] != ' ' ||
7500             nv->nvram_version < cpu_to_le16(ICB_VERSION)) {
7501                 /* Reset NVRAM data. */
7502                 ql_log(ql_log_info, vha, 0x0073,
7503                     "Inconsistent NVRAM detected: checksum=0x%x id=%c "
7504                     "version=0x%x.\n", chksum, nv->id[0],
7505                     le16_to_cpu(nv->nvram_version));
7506                 ql_log(ql_log_info, vha, 0x0074,
7507                     "Falling back to functioning (yet invalid -- WWPN) "
7508                     "defaults.\n");
7509
7510                 /*
7511                  * Set default initialization control block.
7512                  */
7513                 memset(nv, 0, ha->nvram_size);
7514                 nv->nvram_version = cpu_to_le16(ICB_VERSION);
7515                 nv->version = cpu_to_le16(ICB_VERSION);
7516                 nv->frame_payload_size = 2048;
7517                 nv->execution_throttle = cpu_to_le16(0xFFFF);
7518                 nv->exchange_count = cpu_to_le16(0);
7519                 nv->port_name[0] = 0x21;
7520                 nv->port_name[1] = 0x00 + ha->port_no + 1;
7521                 nv->port_name[2] = 0x00;
7522                 nv->port_name[3] = 0xe0;
7523                 nv->port_name[4] = 0x8b;
7524                 nv->port_name[5] = 0x1c;
7525                 nv->port_name[6] = 0x55;
7526                 nv->port_name[7] = 0x86;
7527                 nv->node_name[0] = 0x20;
7528                 nv->node_name[1] = 0x00;
7529                 nv->node_name[2] = 0x00;
7530                 nv->node_name[3] = 0xe0;
7531                 nv->node_name[4] = 0x8b;
7532                 nv->node_name[5] = 0x1c;
7533                 nv->node_name[6] = 0x55;
7534                 nv->node_name[7] = 0x86;
7535                 nv->login_retry_count = cpu_to_le16(8);
7536                 nv->interrupt_delay_timer = cpu_to_le16(0);
7537                 nv->login_timeout = cpu_to_le16(0);
7538                 nv->firmware_options_1 =
7539                     cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
7540                 nv->firmware_options_2 = cpu_to_le32(2 << 4);
7541                 nv->firmware_options_2 |= cpu_to_le32(BIT_12);
7542                 nv->firmware_options_3 = cpu_to_le32(2 << 13);
7543                 nv->host_p = cpu_to_le32(BIT_11|BIT_10);
7544                 nv->efi_parameters = cpu_to_le32(0);
7545                 nv->reset_delay = 5;
7546                 nv->max_luns_per_target = cpu_to_le16(128);
7547                 nv->port_down_retry_count = cpu_to_le16(30);
7548                 nv->link_down_timeout = cpu_to_le16(180);
7549                 nv->enode_mac[0] = 0x00;
7550                 nv->enode_mac[1] = 0xC0;
7551                 nv->enode_mac[2] = 0xDD;
7552                 nv->enode_mac[3] = 0x04;
7553                 nv->enode_mac[4] = 0x05;
7554                 nv->enode_mac[5] = 0x06 + ha->port_no + 1;
7555
7556                 rval = 1;
7557         }
7558
7559         if (IS_T10_PI_CAPABLE(ha))
7560                 nv->frame_payload_size &= ~7;
7561
7562         qlt_81xx_config_nvram_stage1(vha, nv);
7563
7564         /* Reset Initialization control block */
7565         memset(icb, 0, ha->init_cb_size);
7566
7567         /* Copy 1st segment. */
7568         dptr1 = (uint8_t *)icb;
7569         dptr2 = (uint8_t *)&nv->version;
7570         cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
7571         while (cnt--)
7572                 *dptr1++ = *dptr2++;
7573
7574         icb->login_retry_count = nv->login_retry_count;
7575
7576         /* Copy 2nd segment. */
7577         dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
7578         dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
7579         cnt = (uint8_t *)&icb->reserved_5 -
7580             (uint8_t *)&icb->interrupt_delay_timer;
7581         while (cnt--)
7582                 *dptr1++ = *dptr2++;
7583
7584         memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac));
7585         /* Some boards (with valid NVRAMs) still have NULL enode_mac!! */
7586         if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) {
7587                 icb->enode_mac[0] = 0x00;
7588                 icb->enode_mac[1] = 0xC0;
7589                 icb->enode_mac[2] = 0xDD;
7590                 icb->enode_mac[3] = 0x04;
7591                 icb->enode_mac[4] = 0x05;
7592                 icb->enode_mac[5] = 0x06 + ha->port_no + 1;
7593         }
7594
7595         /* Use extended-initialization control block. */
7596         memcpy(ha->ex_init_cb, &nv->ex_version, sizeof(*ha->ex_init_cb));
7597
7598         /*
7599          * Setup driver NVRAM options.
7600          */
7601         qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
7602             "QLE8XXX");
7603
7604         qlt_81xx_config_nvram_stage2(vha, icb);
7605
7606         /* Use alternate WWN? */
7607         if (nv->host_p & cpu_to_le32(BIT_15)) {
7608                 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
7609                 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
7610         }
7611
7612         /* Prepare nodename */
7613         if ((icb->firmware_options_1 & cpu_to_le32(BIT_14)) == 0) {
7614                 /*
7615                  * Firmware will apply the following mask if the nodename was
7616                  * not provided.
7617                  */
7618                 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
7619                 icb->node_name[0] &= 0xF0;
7620         }
7621
7622         /* Set host adapter parameters. */
7623         ha->flags.disable_risc_code_load = 0;
7624         ha->flags.enable_lip_reset = 0;
7625         ha->flags.enable_lip_full_login =
7626             le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
7627         ha->flags.enable_target_reset =
7628             le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
7629         ha->flags.enable_led_scheme = 0;
7630         ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
7631
7632         ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
7633             (BIT_6 | BIT_5 | BIT_4)) >> 4;
7634
7635         /* save HBA serial number */
7636         ha->serial0 = icb->port_name[5];
7637         ha->serial1 = icb->port_name[6];
7638         ha->serial2 = icb->port_name[7];
7639         memcpy(vha->node_name, icb->node_name, WWN_SIZE);
7640         memcpy(vha->port_name, icb->port_name, WWN_SIZE);
7641
7642         icb->execution_throttle = cpu_to_le16(0xFFFF);
7643
7644         ha->retry_count = le16_to_cpu(nv->login_retry_count);
7645
7646         /* Set minimum login_timeout to 4 seconds. */
7647         if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
7648                 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
7649         if (le16_to_cpu(nv->login_timeout) < 4)
7650                 nv->login_timeout = cpu_to_le16(4);
7651         ha->login_timeout = le16_to_cpu(nv->login_timeout);
7652
7653         /* Set minimum RATOV to 100 tenths of a second. */
7654         ha->r_a_tov = 100;
7655
7656         ha->loop_reset_delay = nv->reset_delay;
7657
7658         /* Link Down Timeout = 0:
7659          *
7660          *      When Port Down timer expires we will start returning
7661          *      I/O's to OS with "DID_NO_CONNECT".
7662          *
7663          * Link Down Timeout != 0:
7664          *
7665          *       The driver waits for the link to come up after link down
7666          *       before returning I/Os to OS with "DID_NO_CONNECT".
7667          */
7668         if (le16_to_cpu(nv->link_down_timeout) == 0) {
7669                 ha->loop_down_abort_time =
7670                     (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
7671         } else {
7672                 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
7673                 ha->loop_down_abort_time =
7674                     (LOOP_DOWN_TIME - ha->link_down_timeout);
7675         }
7676
7677         /* Need enough time to try and get the port back. */
7678         ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
7679         if (qlport_down_retry)
7680                 ha->port_down_retry_count = qlport_down_retry;
7681
7682         /* Set login_retry_count */
7683         ha->login_retry_count  = le16_to_cpu(nv->login_retry_count);
7684         if (ha->port_down_retry_count ==
7685             le16_to_cpu(nv->port_down_retry_count) &&
7686             ha->port_down_retry_count > 3)
7687                 ha->login_retry_count = ha->port_down_retry_count;
7688         else if (ha->port_down_retry_count > (int)ha->login_retry_count)
7689                 ha->login_retry_count = ha->port_down_retry_count;
7690         if (ql2xloginretrycount)
7691                 ha->login_retry_count = ql2xloginretrycount;
7692
7693         /* if not running MSI-X we need handshaking on interrupts */
7694         if (!vha->hw->flags.msix_enabled && (IS_QLA83XX(ha) || IS_QLA27XX(ha)))
7695                 icb->firmware_options_2 |= cpu_to_le32(BIT_22);
7696
7697         /* Enable ZIO. */
7698         if (!vha->flags.init_done) {
7699                 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
7700                     (BIT_3 | BIT_2 | BIT_1 | BIT_0);
7701                 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
7702                     le16_to_cpu(icb->interrupt_delay_timer): 2;
7703         }
7704         icb->firmware_options_2 &= cpu_to_le32(
7705             ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
7706         vha->flags.process_response_queue = 0;
7707         if (ha->zio_mode != QLA_ZIO_DISABLED) {
7708                 ha->zio_mode = QLA_ZIO_MODE_6;
7709
7710                 ql_log(ql_log_info, vha, 0x0075,
7711                     "ZIO mode %d enabled; timer delay (%d us).\n",
7712                     ha->zio_mode,
7713                     ha->zio_timer * 100);
7714
7715                 icb->firmware_options_2 |= cpu_to_le32(
7716                     (uint32_t)ha->zio_mode);
7717                 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
7718                 vha->flags.process_response_queue = 1;
7719         }
7720
7721          /* enable RIDA Format2 */
7722         if (qla_tgt_mode_enabled(vha) || qla_dual_mode_enabled(vha))
7723                 icb->firmware_options_3 |= BIT_0;
7724
7725         if (IS_QLA27XX(ha)) {
7726                 icb->firmware_options_3 |= BIT_8;
7727                 ql_dbg(ql_log_info, vha, 0x0075,
7728                     "Enabling direct connection.\n");
7729         }
7730
7731         if (rval) {
7732                 ql_log(ql_log_warn, vha, 0x0076,
7733                     "NVRAM configuration failed.\n");
7734         }
7735         return (rval);
7736 }
7737
7738 int
7739 qla82xx_restart_isp(scsi_qla_host_t *vha)
7740 {
7741         int status, rval;
7742         struct qla_hw_data *ha = vha->hw;
7743         struct req_que *req = ha->req_q_map[0];
7744         struct rsp_que *rsp = ha->rsp_q_map[0];
7745         struct scsi_qla_host *vp;
7746         unsigned long flags;
7747
7748         status = qla2x00_init_rings(vha);
7749         if (!status) {
7750                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
7751                 ha->flags.chip_reset_done = 1;
7752
7753                 status = qla2x00_fw_ready(vha);
7754                 if (!status) {
7755                         /* Issue a marker after FW becomes ready. */
7756                         qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
7757                         vha->flags.online = 1;
7758                         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
7759                 }
7760
7761                 /* if no cable then assume it's good */
7762                 if ((vha->device_flags & DFLG_NO_CABLE))
7763                         status = 0;
7764         }
7765
7766         if (!status) {
7767                 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
7768
7769                 if (!atomic_read(&vha->loop_down_timer)) {
7770                         /*
7771                          * Issue marker command only when we are going
7772                          * to start the I/O .
7773                          */
7774                         vha->marker_needed = 1;
7775                 }
7776
7777                 ha->isp_ops->enable_intrs(ha);
7778
7779                 ha->isp_abort_cnt = 0;
7780                 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
7781
7782                 /* Update the firmware version */
7783                 status = qla82xx_check_md_needed(vha);
7784
7785                 if (ha->fce) {
7786                         ha->flags.fce_enabled = 1;
7787                         memset(ha->fce, 0,
7788                             fce_calc_size(ha->fce_bufs));
7789                         rval = qla2x00_enable_fce_trace(vha,
7790                             ha->fce_dma, ha->fce_bufs, ha->fce_mb,
7791                             &ha->fce_bufs);
7792                         if (rval) {
7793                                 ql_log(ql_log_warn, vha, 0x8001,
7794                                     "Unable to reinitialize FCE (%d).\n",
7795                                     rval);
7796                                 ha->flags.fce_enabled = 0;
7797                         }
7798                 }
7799
7800                 if (ha->eft) {
7801                         memset(ha->eft, 0, EFT_SIZE);
7802                         rval = qla2x00_enable_eft_trace(vha,
7803                             ha->eft_dma, EFT_NUM_BUFFERS);
7804                         if (rval) {
7805                                 ql_log(ql_log_warn, vha, 0x8010,
7806                                     "Unable to reinitialize EFT (%d).\n",
7807                                     rval);
7808                         }
7809                 }
7810         }
7811
7812         if (!status) {
7813                 ql_dbg(ql_dbg_taskm, vha, 0x8011,
7814                     "qla82xx_restart_isp succeeded.\n");
7815
7816                 spin_lock_irqsave(&ha->vport_slock, flags);
7817                 list_for_each_entry(vp, &ha->vp_list, list) {
7818                         if (vp->vp_idx) {
7819                                 atomic_inc(&vp->vref_count);
7820                                 spin_unlock_irqrestore(&ha->vport_slock, flags);
7821
7822                                 qla2x00_vp_abort_isp(vp);
7823
7824                                 spin_lock_irqsave(&ha->vport_slock, flags);
7825                                 atomic_dec(&vp->vref_count);
7826                         }
7827                 }
7828                 spin_unlock_irqrestore(&ha->vport_slock, flags);
7829
7830         } else {
7831                 ql_log(ql_log_warn, vha, 0x8016,
7832                     "qla82xx_restart_isp **** FAILED ****.\n");
7833         }
7834
7835         return status;
7836 }
7837
7838 void
7839 qla81xx_update_fw_options(scsi_qla_host_t *vha)
7840 {
7841         struct qla_hw_data *ha = vha->hw;
7842
7843         /*  Hold status IOCBs until ABTS response received. */
7844         if (ql2xfwholdabts)
7845                 ha->fw_options[3] |= BIT_12;
7846
7847         /* Set Retry FLOGI in case of P2P connection */
7848         if (ha->operating_mode == P2P) {
7849                 ha->fw_options[2] |= BIT_3;
7850                 ql_dbg(ql_dbg_disc, vha, 0x2103,
7851                     "(%s): Setting FLOGI retry BIT in fw_options[2]: 0x%x\n",
7852                         __func__, ha->fw_options[2]);
7853         }
7854
7855         /* Move PUREX, ABTS RX & RIDA to ATIOQ */
7856         if (ql2xmvasynctoatio) {
7857                 if (qla_tgt_mode_enabled(vha) ||
7858                     qla_dual_mode_enabled(vha))
7859                         ha->fw_options[2] |= BIT_11;
7860                 else
7861                         ha->fw_options[2] &= ~BIT_11;
7862         }
7863
7864         if (qla_tgt_mode_enabled(vha) ||
7865             qla_dual_mode_enabled(vha)) {
7866                 /* FW auto send SCSI status during */
7867                 ha->fw_options[1] |= BIT_8;
7868                 ha->fw_options[10] |= (u16)SAM_STAT_BUSY << 8;
7869
7870                 /* FW perform Exchange validation */
7871                 ha->fw_options[2] |= BIT_4;
7872         } else {
7873                 ha->fw_options[1]  &= ~BIT_8;
7874                 ha->fw_options[10] &= 0x00ff;
7875
7876                 ha->fw_options[2] &= ~BIT_4;
7877         }
7878
7879         if (ql2xetsenable) {
7880                 /* Enable ETS Burst. */
7881                 memset(ha->fw_options, 0, sizeof(ha->fw_options));
7882                 ha->fw_options[2] |= BIT_9;
7883         }
7884
7885         ql_dbg(ql_dbg_init, vha, 0x00e9,
7886             "%s, add FW options 1-3 = 0x%04x 0x%04x 0x%04x mode %x\n",
7887             __func__, ha->fw_options[1], ha->fw_options[2],
7888             ha->fw_options[3], vha->host->active_mode);
7889
7890         qla2x00_set_fw_options(vha, ha->fw_options);
7891 }
7892
7893 /*
7894  * qla24xx_get_fcp_prio
7895  *      Gets the fcp cmd priority value for the logged in port.
7896  *      Looks for a match of the port descriptors within
7897  *      each of the fcp prio config entries. If a match is found,
7898  *      the tag (priority) value is returned.
7899  *
7900  * Input:
7901  *      vha = scsi host structure pointer.
7902  *      fcport = port structure pointer.
7903  *
7904  * Return:
7905  *      non-zero (if found)
7906  *      -1 (if not found)
7907  *
7908  * Context:
7909  *      Kernel context
7910  */
7911 static int
7912 qla24xx_get_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
7913 {
7914         int i, entries;
7915         uint8_t pid_match, wwn_match;
7916         int priority;
7917         uint32_t pid1, pid2;
7918         uint64_t wwn1, wwn2;
7919         struct qla_fcp_prio_entry *pri_entry;
7920         struct qla_hw_data *ha = vha->hw;
7921
7922         if (!ha->fcp_prio_cfg || !ha->flags.fcp_prio_enabled)
7923                 return -1;
7924
7925         priority = -1;
7926         entries = ha->fcp_prio_cfg->num_entries;
7927         pri_entry = &ha->fcp_prio_cfg->entry[0];
7928
7929         for (i = 0; i < entries; i++) {
7930                 pid_match = wwn_match = 0;
7931
7932                 if (!(pri_entry->flags & FCP_PRIO_ENTRY_VALID)) {
7933                         pri_entry++;
7934                         continue;
7935                 }
7936
7937                 /* check source pid for a match */
7938                 if (pri_entry->flags & FCP_PRIO_ENTRY_SPID_VALID) {
7939                         pid1 = pri_entry->src_pid & INVALID_PORT_ID;
7940                         pid2 = vha->d_id.b24 & INVALID_PORT_ID;
7941                         if (pid1 == INVALID_PORT_ID)
7942                                 pid_match++;
7943                         else if (pid1 == pid2)
7944                                 pid_match++;
7945                 }
7946
7947                 /* check destination pid for a match */
7948                 if (pri_entry->flags & FCP_PRIO_ENTRY_DPID_VALID) {
7949                         pid1 = pri_entry->dst_pid & INVALID_PORT_ID;
7950                         pid2 = fcport->d_id.b24 & INVALID_PORT_ID;
7951                         if (pid1 == INVALID_PORT_ID)
7952                                 pid_match++;
7953                         else if (pid1 == pid2)
7954                                 pid_match++;
7955                 }
7956
7957                 /* check source WWN for a match */
7958                 if (pri_entry->flags & FCP_PRIO_ENTRY_SWWN_VALID) {
7959                         wwn1 = wwn_to_u64(vha->port_name);
7960                         wwn2 = wwn_to_u64(pri_entry->src_wwpn);
7961                         if (wwn2 == (uint64_t)-1)
7962                                 wwn_match++;
7963                         else if (wwn1 == wwn2)
7964                                 wwn_match++;
7965                 }
7966
7967                 /* check destination WWN for a match */
7968                 if (pri_entry->flags & FCP_PRIO_ENTRY_DWWN_VALID) {
7969                         wwn1 = wwn_to_u64(fcport->port_name);
7970                         wwn2 = wwn_to_u64(pri_entry->dst_wwpn);
7971                         if (wwn2 == (uint64_t)-1)
7972                                 wwn_match++;
7973                         else if (wwn1 == wwn2)
7974                                 wwn_match++;
7975                 }
7976
7977                 if (pid_match == 2 || wwn_match == 2) {
7978                         /* Found a matching entry */
7979                         if (pri_entry->flags & FCP_PRIO_ENTRY_TAG_VALID)
7980                                 priority = pri_entry->tag;
7981                         break;
7982                 }
7983
7984                 pri_entry++;
7985         }
7986
7987         return priority;
7988 }
7989
7990 /*
7991  * qla24xx_update_fcport_fcp_prio
7992  *      Activates fcp priority for the logged in fc port
7993  *
7994  * Input:
7995  *      vha = scsi host structure pointer.
7996  *      fcp = port structure pointer.
7997  *
7998  * Return:
7999  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
8000  *
8001  * Context:
8002  *      Kernel context.
8003  */
8004 int
8005 qla24xx_update_fcport_fcp_prio(scsi_qla_host_t *vha, fc_port_t *fcport)
8006 {
8007         int ret;
8008         int priority;
8009         uint16_t mb[5];
8010
8011         if (fcport->port_type != FCT_TARGET ||
8012             fcport->loop_id == FC_NO_LOOP_ID)
8013                 return QLA_FUNCTION_FAILED;
8014
8015         priority = qla24xx_get_fcp_prio(vha, fcport);
8016         if (priority < 0)
8017                 return QLA_FUNCTION_FAILED;
8018
8019         if (IS_P3P_TYPE(vha->hw)) {
8020                 fcport->fcp_prio = priority & 0xf;
8021                 return QLA_SUCCESS;
8022         }
8023
8024         ret = qla24xx_set_fcp_prio(vha, fcport->loop_id, priority, mb);
8025         if (ret == QLA_SUCCESS) {
8026                 if (fcport->fcp_prio != priority)
8027                         ql_dbg(ql_dbg_user, vha, 0x709e,
8028                             "Updated FCP_CMND priority - value=%d loop_id=%d "
8029                             "port_id=%02x%02x%02x.\n", priority,
8030                             fcport->loop_id, fcport->d_id.b.domain,
8031                             fcport->d_id.b.area, fcport->d_id.b.al_pa);
8032                 fcport->fcp_prio = priority & 0xf;
8033         } else
8034                 ql_dbg(ql_dbg_user, vha, 0x704f,
8035                     "Unable to update FCP_CMND priority - ret=0x%x for "
8036                     "loop_id=%d port_id=%02x%02x%02x.\n", ret, fcport->loop_id,
8037                     fcport->d_id.b.domain, fcport->d_id.b.area,
8038                     fcport->d_id.b.al_pa);
8039         return  ret;
8040 }
8041
8042 /*
8043  * qla24xx_update_all_fcp_prio
8044  *      Activates fcp priority for all the logged in ports
8045  *
8046  * Input:
8047  *      ha = adapter block pointer.
8048  *
8049  * Return:
8050  *      QLA_SUCCESS or QLA_FUNCTION_FAILED
8051  *
8052  * Context:
8053  *      Kernel context.
8054  */
8055 int
8056 qla24xx_update_all_fcp_prio(scsi_qla_host_t *vha)
8057 {
8058         int ret;
8059         fc_port_t *fcport;
8060
8061         ret = QLA_FUNCTION_FAILED;
8062         /* We need to set priority for all logged in ports */
8063         list_for_each_entry(fcport, &vha->vp_fcports, list)
8064                 ret = qla24xx_update_fcport_fcp_prio(vha, fcport);
8065
8066         return ret;
8067 }
8068
8069 struct qla_qpair *qla2xxx_create_qpair(struct scsi_qla_host *vha, int qos,
8070         int vp_idx, bool startqp)
8071 {
8072         int rsp_id = 0;
8073         int  req_id = 0;
8074         int i;
8075         struct qla_hw_data *ha = vha->hw;
8076         uint16_t qpair_id = 0;
8077         struct qla_qpair *qpair = NULL;
8078         struct qla_msix_entry *msix;
8079
8080         if (!(ha->fw_attributes & BIT_6) || !ha->flags.msix_enabled) {
8081                 ql_log(ql_log_warn, vha, 0x00181,
8082                     "FW/Driver is not multi-queue capable.\n");
8083                 return NULL;
8084         }
8085
8086         if (ql2xmqsupport || ql2xnvmeenable) {
8087                 qpair = kzalloc(sizeof(struct qla_qpair), GFP_KERNEL);
8088                 if (qpair == NULL) {
8089                         ql_log(ql_log_warn, vha, 0x0182,
8090                             "Failed to allocate memory for queue pair.\n");
8091                         return NULL;
8092                 }
8093                 memset(qpair, 0, sizeof(struct qla_qpair));
8094
8095                 qpair->hw = vha->hw;
8096                 qpair->vha = vha;
8097                 qpair->qp_lock_ptr = &qpair->qp_lock;
8098                 spin_lock_init(&qpair->qp_lock);
8099                 qpair->use_shadow_reg = IS_SHADOW_REG_CAPABLE(ha) ? 1 : 0;
8100
8101                 /* Assign available que pair id */
8102                 mutex_lock(&ha->mq_lock);
8103                 qpair_id = find_first_zero_bit(ha->qpair_qid_map, ha->max_qpairs);
8104                 if (ha->num_qpairs >= ha->max_qpairs) {
8105                         mutex_unlock(&ha->mq_lock);
8106                         ql_log(ql_log_warn, vha, 0x0183,
8107                             "No resources to create additional q pair.\n");
8108                         goto fail_qid_map;
8109                 }
8110                 ha->num_qpairs++;
8111                 set_bit(qpair_id, ha->qpair_qid_map);
8112                 ha->queue_pair_map[qpair_id] = qpair;
8113                 qpair->id = qpair_id;
8114                 qpair->vp_idx = vp_idx;
8115                 qpair->fw_started = ha->flags.fw_started;
8116                 INIT_LIST_HEAD(&qpair->hints_list);
8117                 INIT_LIST_HEAD(&qpair->nvme_done_list);
8118                 qpair->chip_reset = ha->base_qpair->chip_reset;
8119                 qpair->enable_class_2 = ha->base_qpair->enable_class_2;
8120                 qpair->enable_explicit_conf =
8121                     ha->base_qpair->enable_explicit_conf;
8122
8123                 for (i = 0; i < ha->msix_count; i++) {
8124                         msix = &ha->msix_entries[i];
8125                         if (msix->in_use)
8126                                 continue;
8127                         qpair->msix = msix;
8128                         ql_dbg(ql_dbg_multiq, vha, 0xc00f,
8129                             "Vector %x selected for qpair\n", msix->vector);
8130                         break;
8131                 }
8132                 if (!qpair->msix) {
8133                         ql_log(ql_log_warn, vha, 0x0184,
8134                             "Out of MSI-X vectors!.\n");
8135                         goto fail_msix;
8136                 }
8137
8138                 qpair->msix->in_use = 1;
8139                 list_add_tail(&qpair->qp_list_elem, &vha->qp_list);
8140                 qpair->pdev = ha->pdev;
8141                 if (IS_QLA27XX(ha) || IS_QLA83XX(ha))
8142                         qpair->reqq_start_iocbs = qla_83xx_start_iocbs;
8143
8144                 mutex_unlock(&ha->mq_lock);
8145
8146                 /* Create response queue first */
8147                 rsp_id = qla25xx_create_rsp_que(ha, 0, 0, 0, qpair, startqp);
8148                 if (!rsp_id) {
8149                         ql_log(ql_log_warn, vha, 0x0185,
8150                             "Failed to create response queue.\n");
8151                         goto fail_rsp;
8152                 }
8153
8154                 qpair->rsp = ha->rsp_q_map[rsp_id];
8155
8156                 /* Create request queue */
8157                 req_id = qla25xx_create_req_que(ha, 0, vp_idx, 0, rsp_id, qos,
8158                     startqp);
8159                 if (!req_id) {
8160                         ql_log(ql_log_warn, vha, 0x0186,
8161                             "Failed to create request queue.\n");
8162                         goto fail_req;
8163                 }
8164
8165                 qpair->req = ha->req_q_map[req_id];
8166                 qpair->rsp->req = qpair->req;
8167                 qpair->rsp->qpair = qpair;
8168                 /* init qpair to this cpu. Will adjust at run time. */
8169                 qla_cpu_update(qpair, smp_processor_id());
8170
8171                 if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
8172                         if (ha->fw_attributes & BIT_4)
8173                                 qpair->difdix_supported = 1;
8174                 }
8175
8176                 qpair->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
8177                 if (!qpair->srb_mempool) {
8178                         ql_log(ql_log_warn, vha, 0xd036,
8179                             "Failed to create srb mempool for qpair %d\n",
8180                             qpair->id);
8181                         goto fail_mempool;
8182                 }
8183
8184                 /* Mark as online */
8185                 qpair->online = 1;
8186
8187                 if (!vha->flags.qpairs_available)
8188                         vha->flags.qpairs_available = 1;
8189
8190                 ql_dbg(ql_dbg_multiq, vha, 0xc00d,
8191                     "Request/Response queue pair created, id %d\n",
8192                     qpair->id);
8193                 ql_dbg(ql_dbg_init, vha, 0x0187,
8194                     "Request/Response queue pair created, id %d\n",
8195                     qpair->id);
8196         }
8197         return qpair;
8198
8199 fail_mempool:
8200 fail_req:
8201         qla25xx_delete_rsp_que(vha, qpair->rsp);
8202 fail_rsp:
8203         mutex_lock(&ha->mq_lock);
8204         qpair->msix->in_use = 0;
8205         list_del(&qpair->qp_list_elem);
8206         if (list_empty(&vha->qp_list))
8207                 vha->flags.qpairs_available = 0;
8208 fail_msix:
8209         ha->queue_pair_map[qpair_id] = NULL;
8210         clear_bit(qpair_id, ha->qpair_qid_map);
8211         ha->num_qpairs--;
8212         mutex_unlock(&ha->mq_lock);
8213 fail_qid_map:
8214         kfree(qpair);
8215         return NULL;
8216 }
8217
8218 int qla2xxx_delete_qpair(struct scsi_qla_host *vha, struct qla_qpair *qpair)
8219 {
8220         int ret = QLA_FUNCTION_FAILED;
8221         struct qla_hw_data *ha = qpair->hw;
8222
8223         qpair->delete_in_progress = 1;
8224         while (atomic_read(&qpair->ref_count))
8225                 msleep(500);
8226
8227         ret = qla25xx_delete_req_que(vha, qpair->req);
8228         if (ret != QLA_SUCCESS)
8229                 goto fail;
8230
8231         ret = qla25xx_delete_rsp_que(vha, qpair->rsp);
8232         if (ret != QLA_SUCCESS)
8233                 goto fail;
8234
8235         mutex_lock(&ha->mq_lock);
8236         ha->queue_pair_map[qpair->id] = NULL;
8237         clear_bit(qpair->id, ha->qpair_qid_map);
8238         ha->num_qpairs--;
8239         list_del(&qpair->qp_list_elem);
8240         if (list_empty(&vha->qp_list)) {
8241                 vha->flags.qpairs_available = 0;
8242                 vha->flags.qpairs_req_created = 0;
8243                 vha->flags.qpairs_rsp_created = 0;
8244         }
8245         mempool_destroy(qpair->srb_mempool);
8246         kfree(qpair);
8247         mutex_unlock(&ha->mq_lock);
8248
8249         return QLA_SUCCESS;
8250 fail:
8251         return ret;
8252 }