release/src-rt-6.x.4708/linux/linux-2.6.36/drivers/scsi/bfa/bfad_attr.c

   1 /*
   2  * Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
   3  * All rights reserved
   4  * www.brocade.com
   5  *
   6  * Linux driver for Brocade Fibre Channel Host Bus Adapter.
   7  *
   8  * This program is free software; you can redistribute it and/or modify it
   9  * under the terms of the GNU General Public License (GPL) Version 2 as
  10  * published by the Free Software Foundation
  11  *
  12  * This program is distributed in the hope that it will be useful, but
  13  * WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * General Public License for more details.
  16  */
  17
  18 /**
  19  *  bfa_attr.c Linux driver configuration interface module.
  20  */
  21
  22 #include <linux/slab.h>
  23 #include "bfad_drv.h"
  24 #include "bfad_im.h"
  25 #include "bfad_trcmod.h"
  26 #include "bfad_attr.h"
  27
  28 /**
  29  *  FC_transport_template FC transport template
  30  */
  31
  32 /**
  33  * FC transport template entry, get SCSI target port ID.
  34  */
  35 void
  36 bfad_im_get_starget_port_id(struct scsi_target *starget)
  37 {
  38         struct Scsi_Host *shost;
  39         struct bfad_im_port_s *im_port;
  40         struct bfad_s         *bfad;
  41         struct bfad_itnim_s   *itnim = NULL;
  42         u32        fc_id = -1;
  43         unsigned long   flags;
  44
  45         shost = bfad_os_starget_to_shost(starget);
  46         im_port = (struct bfad_im_port_s *) shost->hostdata[0];
  47         bfad = im_port->bfad;
  48         spin_lock_irqsave(&bfad->bfad_lock, flags);
  49
  50         itnim = bfad_os_get_itnim(im_port, starget->id);
  51         if (itnim)
  52                 fc_id = bfa_fcs_itnim_get_fcid(&itnim->fcs_itnim);
  53
  54         fc_starget_port_id(starget) = fc_id;
  55         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
  56 }
  57
  58 /**
  59  * FC transport template entry, get SCSI target nwwn.
  60  */
  61 void
  62 bfad_im_get_starget_node_name(struct scsi_target *starget)
  63 {
  64         struct Scsi_Host *shost;
  65         struct bfad_im_port_s *im_port;
  66         struct bfad_s         *bfad;
  67         struct bfad_itnim_s   *itnim = NULL;
  68         u64             node_name = 0;
  69         unsigned long   flags;
  70
  71         shost = bfad_os_starget_to_shost(starget);
  72         im_port = (struct bfad_im_port_s *) shost->hostdata[0];
  73         bfad = im_port->bfad;
  74         spin_lock_irqsave(&bfad->bfad_lock, flags);
  75
  76         itnim = bfad_os_get_itnim(im_port, starget->id);
  77         if (itnim)
  78                 node_name = bfa_fcs_itnim_get_nwwn(&itnim->fcs_itnim);
  79
  80         fc_starget_node_name(starget) = bfa_os_htonll(node_name);
  81         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
  82 }
  83
  84 /**
  85  * FC transport template entry, get SCSI target pwwn.
  86  */
  87 void
  88 bfad_im_get_starget_port_name(struct scsi_target *starget)
  89 {
  90         struct Scsi_Host *shost;
  91         struct bfad_im_port_s *im_port;
  92         struct bfad_s         *bfad;
  93         struct bfad_itnim_s   *itnim = NULL;
  94         u64             port_name = 0;
  95         unsigned long   flags;
  96
  97         shost = bfad_os_starget_to_shost(starget);
  98         im_port = (struct bfad_im_port_s *) shost->hostdata[0];
  99         bfad = im_port->bfad;
 100         spin_lock_irqsave(&bfad->bfad_lock, flags);
 101
 102         itnim = bfad_os_get_itnim(im_port, starget->id);
 103         if (itnim)
 104                 port_name = bfa_fcs_itnim_get_pwwn(&itnim->fcs_itnim);
 105
 106         fc_starget_port_name(starget) = bfa_os_htonll(port_name);
 107         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 108 }
 109
 110 /**
 111  * FC transport template entry, get SCSI host port ID.
 112  */
 113 void
 114 bfad_im_get_host_port_id(struct Scsi_Host *shost)
 115 {
 116         struct bfad_im_port_s *im_port =
 117                         (struct bfad_im_port_s *) shost->hostdata[0];
 118         struct bfad_port_s    *port = im_port->port;
 119
 120         fc_host_port_id(shost) =
 121                         bfa_os_hton3b(bfa_fcs_port_get_fcid(port->fcs_port));
 122 }
 123
 124
 125
 126
 127
 128 struct Scsi_Host *
 129 bfad_os_starget_to_shost(struct scsi_target *starget)
 130 {
 131         return dev_to_shost(starget->dev.parent);
 132 }
 133
 134 /**
 135  * FC transport template entry, get SCSI host port type.
 136  */
 137 static void
 138 bfad_im_get_host_port_type(struct Scsi_Host *shost)
 139 {
 140         struct bfad_im_port_s *im_port =
 141                         (struct bfad_im_port_s *) shost->hostdata[0];
 142         struct bfad_s         *bfad = im_port->bfad;
 143         struct bfa_pport_attr_s attr;
 144
 145         bfa_fcport_get_attr(&bfad->bfa, &attr);
 146
 147         switch (attr.port_type) {
 148         case BFA_PPORT_TYPE_NPORT:
 149                 fc_host_port_type(shost) = FC_PORTTYPE_NPORT;
 150                 break;
 151         case BFA_PPORT_TYPE_NLPORT:
 152                 fc_host_port_type(shost) = FC_PORTTYPE_NLPORT;
 153                 break;
 154         case BFA_PPORT_TYPE_P2P:
 155                 fc_host_port_type(shost) = FC_PORTTYPE_PTP;
 156                 break;
 157         case BFA_PPORT_TYPE_LPORT:
 158                 fc_host_port_type(shost) = FC_PORTTYPE_LPORT;
 159                 break;
 160         default:
 161                 fc_host_port_type(shost) = FC_PORTTYPE_UNKNOWN;
 162                 break;
 163         }
 164 }
 165
 166 /**
 167  * FC transport template entry, get SCSI host port state.
 168  */
 169 static void
 170 bfad_im_get_host_port_state(struct Scsi_Host *shost)
 171 {
 172         struct bfad_im_port_s *im_port =
 173                         (struct bfad_im_port_s *) shost->hostdata[0];
 174         struct bfad_s         *bfad = im_port->bfad;
 175         struct bfa_pport_attr_s attr;
 176
 177         bfa_fcport_get_attr(&bfad->bfa, &attr);
 178
 179         switch (attr.port_state) {
 180         case BFA_PPORT_ST_LINKDOWN:
 181                 fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
 182                 break;
 183         case BFA_PPORT_ST_LINKUP:
 184                 fc_host_port_state(shost) = FC_PORTSTATE_ONLINE;
 185                 break;
 186         case BFA_PPORT_ST_UNINIT:
 187         case BFA_PPORT_ST_ENABLING_QWAIT:
 188         case BFA_PPORT_ST_ENABLING:
 189         case BFA_PPORT_ST_DISABLING_QWAIT:
 190         case BFA_PPORT_ST_DISABLING:
 191         case BFA_PPORT_ST_DISABLED:
 192         case BFA_PPORT_ST_STOPPED:
 193         case BFA_PPORT_ST_IOCDOWN:
 194         default:
 195                 fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN;
 196                 break;
 197         }
 198 }
 199
 200 /**
 201  * FC transport template entry, get SCSI host active fc4s.
 202  */
 203 static void
 204 bfad_im_get_host_active_fc4s(struct Scsi_Host *shost)
 205 {
 206         struct bfad_im_port_s *im_port =
 207                         (struct bfad_im_port_s *) shost->hostdata[0];
 208         struct bfad_port_s    *port = im_port->port;
 209
 210         memset(fc_host_active_fc4s(shost), 0,
 211                sizeof(fc_host_active_fc4s(shost)));
 212
 213         if (port->supported_fc4s &
 214                 (BFA_PORT_ROLE_FCP_IM | BFA_PORT_ROLE_FCP_TM))
 215                 fc_host_active_fc4s(shost)[2] = 1;
 216
 217         if (port->supported_fc4s & BFA_PORT_ROLE_FCP_IPFC)
 218                 fc_host_active_fc4s(shost)[3] = 0x20;
 219
 220         fc_host_active_fc4s(shost)[7] = 1;
 221 }
 222
 223 /**
 224  * FC transport template entry, get SCSI host link speed.
 225  */
 226 static void
 227 bfad_im_get_host_speed(struct Scsi_Host *shost)
 228 {
 229         struct bfad_im_port_s *im_port =
 230                         (struct bfad_im_port_s *) shost->hostdata[0];
 231         struct bfad_s         *bfad = im_port->bfad;
 232         struct bfa_pport_attr_s attr;
 233         unsigned long   flags;
 234
 235         spin_lock_irqsave(shost->host_lock, flags);
 236         bfa_fcport_get_attr(&bfad->bfa, &attr);
 237         switch (attr.speed) {
 238         case BFA_PPORT_SPEED_8GBPS:
 239                 fc_host_speed(shost) = FC_PORTSPEED_8GBIT;
 240                 break;
 241         case BFA_PPORT_SPEED_4GBPS:
 242                 fc_host_speed(shost) = FC_PORTSPEED_4GBIT;
 243                 break;
 244         case BFA_PPORT_SPEED_2GBPS:
 245                 fc_host_speed(shost) = FC_PORTSPEED_2GBIT;
 246                 break;
 247         case BFA_PPORT_SPEED_1GBPS:
 248                 fc_host_speed(shost) = FC_PORTSPEED_1GBIT;
 249                 break;
 250         default:
 251                 fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN;
 252                 break;
 253         }
 254         spin_unlock_irqrestore(shost->host_lock, flags);
 255 }
 256
 257 /**
 258  * FC transport template entry, get SCSI host port type.
 259  */
 260 static void
 261 bfad_im_get_host_fabric_name(struct Scsi_Host *shost)
 262 {
 263         struct bfad_im_port_s *im_port =
 264                         (struct bfad_im_port_s *) shost->hostdata[0];
 265         struct bfad_port_s    *port = im_port->port;
 266         wwn_t           fabric_nwwn = 0;
 267
 268         fabric_nwwn = bfa_fcs_port_get_fabric_name(port->fcs_port);
 269
 270         fc_host_fabric_name(shost) = bfa_os_htonll(fabric_nwwn);
 271
 272 }
 273
 274 /**
 275  * FC transport template entry, get BFAD statistics.
 276  */
 277 static struct fc_host_statistics *
 278 bfad_im_get_stats(struct Scsi_Host *shost)
 279 {
 280         struct bfad_im_port_s *im_port =
 281                         (struct bfad_im_port_s *) shost->hostdata[0];
 282         struct bfad_s         *bfad = im_port->bfad;
 283         struct bfad_hal_comp fcomp;
 284         struct fc_host_statistics *hstats;
 285         bfa_status_t    rc;
 286         unsigned long   flags;
 287
 288         hstats = &bfad->link_stats;
 289         init_completion(&fcomp.comp);
 290         spin_lock_irqsave(&bfad->bfad_lock, flags);
 291         memset(hstats, 0, sizeof(struct fc_host_statistics));
 292         rc =  bfa_port_get_stats(BFA_FCPORT(&bfad->bfa),
 293                                      (union bfa_pport_stats_u *) hstats,
 294                                      bfad_hcb_comp, &fcomp);
 295         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 296         if (rc != BFA_STATUS_OK)
 297                 return NULL;
 298
 299         wait_for_completion(&fcomp.comp);
 300
 301         return hstats;
 302 }
 303
 304 /**
 305  * FC transport template entry, reset BFAD statistics.
 306  */
 307 static void
 308 bfad_im_reset_stats(struct Scsi_Host *shost)
 309 {
 310         struct bfad_im_port_s *im_port =
 311                         (struct bfad_im_port_s *) shost->hostdata[0];
 312         struct bfad_s         *bfad = im_port->bfad;
 313         struct bfad_hal_comp fcomp;
 314         unsigned long   flags;
 315         bfa_status_t    rc;
 316
 317         init_completion(&fcomp.comp);
 318         spin_lock_irqsave(&bfad->bfad_lock, flags);
 319         rc = bfa_port_clear_stats(BFA_FCPORT(&bfad->bfa), bfad_hcb_comp,
 320                 &fcomp);
 321         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 322
 323         if (rc != BFA_STATUS_OK)
 324                 return;
 325
 326         wait_for_completion(&fcomp.comp);
 327
 328         return;
 329 }
 330
 331 /**
 332  * FC transport template entry, get rport loss timeout.
 333  */
 334 static void
 335 bfad_im_get_rport_loss_tmo(struct fc_rport *rport)
 336 {
 337         struct bfad_itnim_data_s *itnim_data = rport->dd_data;
 338         struct bfad_itnim_s   *itnim = itnim_data->itnim;
 339         struct bfad_s         *bfad = itnim->im->bfad;
 340         unsigned long   flags;
 341
 342         spin_lock_irqsave(&bfad->bfad_lock, flags);
 343         rport->dev_loss_tmo = bfa_fcpim_path_tov_get(&bfad->bfa);
 344         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 345 }
 346
 347 /**
 348  * FC transport template entry, set rport loss timeout.
 349  */
 350 static void
 351 bfad_im_set_rport_loss_tmo(struct fc_rport *rport, u32 timeout)
 352 {
 353         struct bfad_itnim_data_s *itnim_data = rport->dd_data;
 354         struct bfad_itnim_s   *itnim = itnim_data->itnim;
 355         struct bfad_s         *bfad = itnim->im->bfad;
 356         unsigned long   flags;
 357
 358         if (timeout > 0) {
 359                 spin_lock_irqsave(&bfad->bfad_lock, flags);
 360                 bfa_fcpim_path_tov_set(&bfad->bfa, timeout);
 361                 rport->dev_loss_tmo = bfa_fcpim_path_tov_get(&bfad->bfa);
 362                 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 363         }
 364
 365 }
 366
 367 static int
 368 bfad_im_vport_create(struct fc_vport *fc_vport, bool disable)
 369 {
 370         char *vname = fc_vport->symbolic_name;
 371         struct Scsi_Host *shost = fc_vport->shost;
 372         struct bfad_im_port_s *im_port =
 373                 (struct bfad_im_port_s *) shost->hostdata[0];
 374         struct bfad_s *bfad = im_port->bfad;
 375         struct bfa_port_cfg_s port_cfg;
 376         struct bfad_pcfg_s *pcfg;
 377         int status = 0, rc;
 378         unsigned long flags;
 379
 380         memset(&port_cfg, 0, sizeof(port_cfg));
 381         u64_to_wwn(fc_vport->node_name, (u8 *)&port_cfg.nwwn);
 382         u64_to_wwn(fc_vport->port_name, (u8 *)&port_cfg.pwwn);
 383         if (strlen(vname) > 0)
 384                 strcpy((char *)&port_cfg.sym_name, vname);
 385         port_cfg.roles = BFA_PORT_ROLE_FCP_IM;
 386
 387         spin_lock_irqsave(&bfad->bfad_lock, flags);
 388         list_for_each_entry(pcfg, &bfad->pbc_pcfg_list, list_entry) {
 389                 if (port_cfg.pwwn == pcfg->port_cfg.pwwn) {
 390                         port_cfg.preboot_vp = pcfg->port_cfg.preboot_vp;
 391                         break;
 392                 }
 393         }
 394         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 395
 396         rc = bfad_vport_create(bfad, 0, &port_cfg, &fc_vport->dev);
 397         if (rc == BFA_STATUS_OK) {
 398                 struct bfad_vport_s *vport;
 399                 struct bfa_fcs_vport_s *fcs_vport;
 400                 struct Scsi_Host *vshost;
 401
 402                 spin_lock_irqsave(&bfad->bfad_lock, flags);
 403                 fcs_vport = bfa_fcs_vport_lookup(&bfad->bfa_fcs, 0,
 404                                         port_cfg.pwwn);
 405                 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 406                 if (fcs_vport == NULL)
 407                         return VPCERR_BAD_WWN;
 408
 409                 fc_vport_set_state(fc_vport, FC_VPORT_ACTIVE);
 410                 if (disable) {
 411                         spin_lock_irqsave(&bfad->bfad_lock, flags);
 412                         bfa_fcs_vport_stop(fcs_vport);
 413                         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 414                         fc_vport_set_state(fc_vport, FC_VPORT_DISABLED);
 415                 }
 416
 417                 vport = fcs_vport->vport_drv;
 418                 vshost = vport->drv_port.im_port->shost;
 419                 fc_host_node_name(vshost) = wwn_to_u64((u8 *)&port_cfg.nwwn);
 420                 fc_host_port_name(vshost) = wwn_to_u64((u8 *)&port_cfg.pwwn);
 421                 fc_vport->dd_data = vport;
 422                 vport->drv_port.im_port->fc_vport = fc_vport;
 423         } else if (rc == BFA_STATUS_INVALID_WWN)
 424                 return VPCERR_BAD_WWN;
 425         else if (rc == BFA_STATUS_VPORT_EXISTS)
 426                 return VPCERR_BAD_WWN;
 427         else if (rc == BFA_STATUS_VPORT_MAX)
 428                 return VPCERR_NO_FABRIC_SUPP;
 429         else if (rc == BFA_STATUS_VPORT_WWN_BP)
 430                 return VPCERR_BAD_WWN;
 431         else
 432                 return FC_VPORT_FAILED;
 433
 434         return status;
 435 }
 436
 437 static int
 438 bfad_im_vport_delete(struct fc_vport *fc_vport)
 439 {
 440         struct bfad_vport_s *vport = (struct bfad_vport_s *)fc_vport->dd_data;
 441         struct bfad_im_port_s *im_port =
 442                         (struct bfad_im_port_s *) vport->drv_port.im_port;
 443         struct bfad_s *bfad = im_port->bfad;
 444         struct bfad_port_s *port;
 445         struct bfa_fcs_vport_s *fcs_vport;
 446         struct Scsi_Host *vshost;
 447         wwn_t   pwwn;
 448         int rc;
 449         unsigned long flags;
 450         struct completion fcomp;
 451
 452         if (im_port->flags & BFAD_PORT_DELETE)
 453                 goto free_scsi_host;
 454
 455         port = im_port->port;
 456
 457         vshost = vport->drv_port.im_port->shost;
 458         u64_to_wwn(fc_host_port_name(vshost), (u8 *)&pwwn);
 459
 460         spin_lock_irqsave(&bfad->bfad_lock, flags);
 461         fcs_vport = bfa_fcs_vport_lookup(&bfad->bfa_fcs, 0, pwwn);
 462         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 463
 464         if (fcs_vport == NULL)
 465                 return VPCERR_BAD_WWN;
 466
 467         vport->drv_port.flags |= BFAD_PORT_DELETE;
 468
 469         vport->comp_del = &fcomp;
 470         init_completion(vport->comp_del);
 471
 472         spin_lock_irqsave(&bfad->bfad_lock, flags);
 473         rc = bfa_fcs_vport_delete(&vport->fcs_vport);
 474         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 475
 476         if (rc == BFA_STATUS_PBC) {
 477                 vport->drv_port.flags &= ~BFAD_PORT_DELETE;
 478                 vport->comp_del = NULL;
 479                 return -1;
 480         }
 481
 482         wait_for_completion(vport->comp_del);
 483
 484 free_scsi_host:
 485         bfad_os_scsi_host_free(bfad, im_port);
 486
 487         kfree(vport);
 488
 489         return 0;
 490 }
 491
 492 static int
 493 bfad_im_vport_disable(struct fc_vport *fc_vport, bool disable)
 494 {
 495         struct bfad_vport_s *vport;
 496         struct bfad_s *bfad;
 497         struct bfa_fcs_vport_s *fcs_vport;
 498         struct Scsi_Host *vshost;
 499         wwn_t   pwwn;
 500         unsigned long flags;
 501
 502         vport = (struct bfad_vport_s *)fc_vport->dd_data;
 503         bfad = vport->drv_port.bfad;
 504         vshost = vport->drv_port.im_port->shost;
 505         u64_to_wwn(fc_host_port_name(vshost), (u8 *)&pwwn);
 506
 507         spin_lock_irqsave(&bfad->bfad_lock, flags);
 508         fcs_vport = bfa_fcs_vport_lookup(&bfad->bfa_fcs, 0, pwwn);
 509         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 510
 511         if (fcs_vport == NULL)
 512                 return VPCERR_BAD_WWN;
 513
 514         if (disable) {
 515                 bfa_fcs_vport_stop(fcs_vport);
 516                 fc_vport_set_state(fc_vport, FC_VPORT_DISABLED);
 517         } else {
 518                 bfa_fcs_vport_start(fcs_vport);
 519                 fc_vport_set_state(fc_vport, FC_VPORT_ACTIVE);
 520         }
 521
 522         return 0;
 523 }
 524
 525 struct fc_function_template bfad_im_fc_function_template = {
 526
 527         /* Target dynamic attributes */
 528         .get_starget_port_id = bfad_im_get_starget_port_id,
 529         .show_starget_port_id = 1,
 530         .get_starget_node_name = bfad_im_get_starget_node_name,
 531         .show_starget_node_name = 1,
 532         .get_starget_port_name = bfad_im_get_starget_port_name,
 533         .show_starget_port_name = 1,
 534
 535         /* Host dynamic attribute */
 536         .get_host_port_id = bfad_im_get_host_port_id,
 537         .show_host_port_id = 1,
 538
 539         /* Host fixed attributes */
 540         .show_host_node_name = 1,
 541         .show_host_port_name = 1,
 542         .show_host_supported_classes = 1,
 543         .show_host_supported_fc4s = 1,
 544         .show_host_supported_speeds = 1,
 545         .show_host_maxframe_size = 1,
 546
 547         /* More host dynamic attributes */
 548         .show_host_port_type = 1,
 549         .get_host_port_type = bfad_im_get_host_port_type,
 550         .show_host_port_state = 1,
 551         .get_host_port_state = bfad_im_get_host_port_state,
 552         .show_host_active_fc4s = 1,
 553         .get_host_active_fc4s = bfad_im_get_host_active_fc4s,
 554         .show_host_speed = 1,
 555         .get_host_speed = bfad_im_get_host_speed,
 556         .show_host_fabric_name = 1,
 557         .get_host_fabric_name = bfad_im_get_host_fabric_name,
 558
 559         .show_host_symbolic_name = 1,
 560
 561         /* Statistics */
 562         .get_fc_host_stats = bfad_im_get_stats,
 563         .reset_fc_host_stats = bfad_im_reset_stats,
 564
 565         /* Allocation length for host specific data */
 566         .dd_fcrport_size = sizeof(struct bfad_itnim_data_s *),
 567
 568         /* Remote port fixed attributes */
 569         .show_rport_maxframe_size = 1,
 570         .show_rport_supported_classes = 1,
 571         .show_rport_dev_loss_tmo = 1,
 572         .get_rport_dev_loss_tmo = bfad_im_get_rport_loss_tmo,
 573         .set_rport_dev_loss_tmo = bfad_im_set_rport_loss_tmo,
 574
 575         .vport_create = bfad_im_vport_create,
 576         .vport_delete = bfad_im_vport_delete,
 577         .vport_disable = bfad_im_vport_disable,
 578 };
 579
 580 struct fc_function_template bfad_im_vport_fc_function_template = {
 581
 582         /* Target dynamic attributes */
 583         .get_starget_port_id = bfad_im_get_starget_port_id,
 584         .show_starget_port_id = 1,
 585         .get_starget_node_name = bfad_im_get_starget_node_name,
 586         .show_starget_node_name = 1,
 587         .get_starget_port_name = bfad_im_get_starget_port_name,
 588         .show_starget_port_name = 1,
 589
 590         /* Host dynamic attribute */
 591         .get_host_port_id = bfad_im_get_host_port_id,
 592         .show_host_port_id = 1,
 593
 594         /* Host fixed attributes */
 595         .show_host_node_name = 1,
 596         .show_host_port_name = 1,
 597         .show_host_supported_classes = 1,
 598         .show_host_supported_fc4s = 1,
 599         .show_host_supported_speeds = 1,
 600         .show_host_maxframe_size = 1,
 601
 602         /* More host dynamic attributes */
 603         .show_host_port_type = 1,
 604         .get_host_port_type = bfad_im_get_host_port_type,
 605         .show_host_port_state = 1,
 606         .get_host_port_state = bfad_im_get_host_port_state,
 607         .show_host_active_fc4s = 1,
 608         .get_host_active_fc4s = bfad_im_get_host_active_fc4s,
 609         .show_host_speed = 1,
 610         .get_host_speed = bfad_im_get_host_speed,
 611         .show_host_fabric_name = 1,
 612         .get_host_fabric_name = bfad_im_get_host_fabric_name,
 613
 614         .show_host_symbolic_name = 1,
 615
 616         /* Statistics */
 617         .get_fc_host_stats = bfad_im_get_stats,
 618         .reset_fc_host_stats = bfad_im_reset_stats,
 619
 620         /* Allocation length for host specific data */
 621         .dd_fcrport_size = sizeof(struct bfad_itnim_data_s *),
 622
 623         /* Remote port fixed attributes */
 624         .show_rport_maxframe_size = 1,
 625         .show_rport_supported_classes = 1,
 626         .show_rport_dev_loss_tmo = 1,
 627         .get_rport_dev_loss_tmo = bfad_im_get_rport_loss_tmo,
 628         .set_rport_dev_loss_tmo = bfad_im_set_rport_loss_tmo,
 629 };
 630
 631 /**
 632  *  Scsi_Host_attrs SCSI host attributes
 633  */
 634 static ssize_t
 635 bfad_im_serial_num_show(struct device *dev, struct device_attribute *attr,
 636                          char *buf)
 637 {
 638         struct Scsi_Host *shost = class_to_shost(dev);
 639         struct bfad_im_port_s *im_port =
 640                         (struct bfad_im_port_s *) shost->hostdata[0];
 641         struct bfad_s         *bfad = im_port->bfad;
 642         char serial_num[BFA_ADAPTER_SERIAL_NUM_LEN];
 643
 644         bfa_get_adapter_serial_num(&bfad->bfa, serial_num);
 645         return snprintf(buf, PAGE_SIZE, "%s\n", serial_num);
 646 }
 647
 648 static ssize_t
 649 bfad_im_model_show(struct device *dev, struct device_attribute *attr,
 650                         char *buf)
 651 {
 652         struct Scsi_Host *shost = class_to_shost(dev);
 653         struct bfad_im_port_s *im_port =
 654                         (struct bfad_im_port_s *) shost->hostdata[0];
 655         struct bfad_s         *bfad = im_port->bfad;
 656         char model[BFA_ADAPTER_MODEL_NAME_LEN];
 657
 658         bfa_get_adapter_model(&bfad->bfa, model);
 659         return snprintf(buf, PAGE_SIZE, "%s\n", model);
 660 }
 661
 662 static ssize_t
 663 bfad_im_model_desc_show(struct device *dev, struct device_attribute *attr,
 664                                  char *buf)
 665 {
 666         struct Scsi_Host *shost = class_to_shost(dev);
 667         struct bfad_im_port_s *im_port =
 668                         (struct bfad_im_port_s *) shost->hostdata[0];
 669         struct bfad_s         *bfad = im_port->bfad;
 670         char model_descr[BFA_ADAPTER_MODEL_DESCR_LEN];
 671
 672         bfa_get_adapter_model(&bfad->bfa, model_descr);
 673         return snprintf(buf, PAGE_SIZE, "%s\n", model_descr);
 674 }
 675
 676 static ssize_t
 677 bfad_im_node_name_show(struct device *dev, struct device_attribute *attr,
 678                                  char *buf)
 679 {
 680         struct Scsi_Host *shost = class_to_shost(dev);
 681         struct bfad_im_port_s *im_port =
 682                         (struct bfad_im_port_s *) shost->hostdata[0];
 683         struct bfad_port_s    *port = im_port->port;
 684         u64        nwwn;
 685
 686         nwwn = bfa_fcs_port_get_nwwn(port->fcs_port);
 687         return snprintf(buf, PAGE_SIZE, "0x%llx\n", bfa_os_htonll(nwwn));
 688 }
 689
 690 static ssize_t
 691 bfad_im_symbolic_name_show(struct device *dev, struct device_attribute *attr,
 692                                  char *buf)
 693 {
 694         struct Scsi_Host *shost = class_to_shost(dev);
 695         struct bfad_im_port_s *im_port =
 696                         (struct bfad_im_port_s *) shost->hostdata[0];
 697         struct bfad_s         *bfad = im_port->bfad;
 698         char model[BFA_ADAPTER_MODEL_NAME_LEN];
 699         char fw_ver[BFA_VERSION_LEN];
 700
 701         bfa_get_adapter_model(&bfad->bfa, model);
 702         bfa_get_adapter_fw_ver(&bfad->bfa, fw_ver);
 703         return snprintf(buf, PAGE_SIZE, "Brocade %s FV%s DV%s\n",
 704                 model, fw_ver, BFAD_DRIVER_VERSION);
 705 }
 706
 707 static ssize_t
 708 bfad_im_hw_version_show(struct device *dev, struct device_attribute *attr,
 709                                 char *buf)
 710 {
 711         struct Scsi_Host *shost = class_to_shost(dev);
 712         struct bfad_im_port_s *im_port =
 713                         (struct bfad_im_port_s *) shost->hostdata[0];
 714         struct bfad_s         *bfad = im_port->bfad;
 715         char hw_ver[BFA_VERSION_LEN];
 716
 717         bfa_get_pci_chip_rev(&bfad->bfa, hw_ver);
 718         return snprintf(buf, PAGE_SIZE, "%s\n", hw_ver);
 719 }
 720
 721 static ssize_t
 722 bfad_im_drv_version_show(struct device *dev, struct device_attribute *attr,
 723                                 char *buf)
 724 {
 725         return snprintf(buf, PAGE_SIZE, "%s\n", BFAD_DRIVER_VERSION);
 726 }
 727
 728 static ssize_t
 729 bfad_im_optionrom_version_show(struct device *dev,
 730                          struct device_attribute *attr, char *buf)
 731 {
 732         struct Scsi_Host *shost = class_to_shost(dev);
 733         struct bfad_im_port_s *im_port =
 734                         (struct bfad_im_port_s *) shost->hostdata[0];
 735         struct bfad_s         *bfad = im_port->bfad;
 736         char optrom_ver[BFA_VERSION_LEN];
 737
 738         bfa_get_adapter_optrom_ver(&bfad->bfa, optrom_ver);
 739         return snprintf(buf, PAGE_SIZE, "%s\n", optrom_ver);
 740 }
 741
 742 static ssize_t
 743 bfad_im_fw_version_show(struct device *dev, struct device_attribute *attr,
 744                                  char *buf)
 745 {
 746         struct Scsi_Host *shost = class_to_shost(dev);
 747         struct bfad_im_port_s *im_port =
 748                         (struct bfad_im_port_s *) shost->hostdata[0];
 749         struct bfad_s         *bfad = im_port->bfad;
 750         char fw_ver[BFA_VERSION_LEN];
 751
 752         bfa_get_adapter_fw_ver(&bfad->bfa, fw_ver);
 753         return snprintf(buf, PAGE_SIZE, "%s\n", fw_ver);
 754 }
 755
 756 static ssize_t
 757 bfad_im_num_of_ports_show(struct device *dev, struct device_attribute *attr,
 758                                 char *buf)
 759 {
 760         struct Scsi_Host *shost = class_to_shost(dev);
 761         struct bfad_im_port_s *im_port =
 762                         (struct bfad_im_port_s *) shost->hostdata[0];
 763         struct bfad_s         *bfad = im_port->bfad;
 764
 765         return snprintf(buf, PAGE_SIZE, "%d\n",
 766                 bfa_get_nports(&bfad->bfa));
 767 }
 768
 769 static ssize_t
 770 bfad_im_drv_name_show(struct device *dev, struct device_attribute *attr,
 771                                 char *buf)
 772 {
 773         return snprintf(buf, PAGE_SIZE, "%s\n", BFAD_DRIVER_NAME);
 774 }
 775
 776 static ssize_t
 777 bfad_im_num_of_discovered_ports_show(struct device *dev,
 778                         struct device_attribute *attr, char *buf)
 779 {
 780         struct Scsi_Host *shost = class_to_shost(dev);
 781         struct bfad_im_port_s *im_port =
 782                         (struct bfad_im_port_s *) shost->hostdata[0];
 783         struct bfad_port_s    *port = im_port->port;
 784         struct bfad_s         *bfad = im_port->bfad;
 785         int        nrports = 2048;
 786         wwn_t          *rports = NULL;
 787         unsigned long   flags;
 788
 789         rports = kzalloc(sizeof(wwn_t) * nrports , GFP_ATOMIC);
 790         if (rports == NULL)
 791                 return -ENOMEM;
 792
 793         spin_lock_irqsave(&bfad->bfad_lock, flags);
 794         bfa_fcs_port_get_rports(port->fcs_port, rports, &nrports);
 795         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 796         kfree(rports);
 797
 798         return snprintf(buf, PAGE_SIZE, "%d\n", nrports);
 799 }
 800
 801 static          DEVICE_ATTR(serial_number, S_IRUGO,
 802                                 bfad_im_serial_num_show, NULL);
 803 static          DEVICE_ATTR(model, S_IRUGO, bfad_im_model_show, NULL);
 804 static          DEVICE_ATTR(model_description, S_IRUGO,
 805                                 bfad_im_model_desc_show, NULL);
 806 static          DEVICE_ATTR(node_name, S_IRUGO, bfad_im_node_name_show, NULL);
 807 static          DEVICE_ATTR(symbolic_name, S_IRUGO,
 808                                 bfad_im_symbolic_name_show, NULL);
 809 static          DEVICE_ATTR(hardware_version, S_IRUGO,
 810                                 bfad_im_hw_version_show, NULL);
 811 static          DEVICE_ATTR(driver_version, S_IRUGO,
 812                                 bfad_im_drv_version_show, NULL);
 813 static          DEVICE_ATTR(option_rom_version, S_IRUGO,
 814                                 bfad_im_optionrom_version_show, NULL);
 815 static          DEVICE_ATTR(firmware_version, S_IRUGO,
 816                                 bfad_im_fw_version_show, NULL);
 817 static          DEVICE_ATTR(number_of_ports, S_IRUGO,
 818                                 bfad_im_num_of_ports_show, NULL);
 819 static          DEVICE_ATTR(driver_name, S_IRUGO, bfad_im_drv_name_show, NULL);
 820 static          DEVICE_ATTR(number_of_discovered_ports, S_IRUGO,
 821                                 bfad_im_num_of_discovered_ports_show, NULL);
 822
 823 struct device_attribute *bfad_im_host_attrs[] = {
 824         &dev_attr_serial_number,
 825         &dev_attr_model,
 826         &dev_attr_model_description,
 827         &dev_attr_node_name,
 828         &dev_attr_symbolic_name,
 829         &dev_attr_hardware_version,
 830         &dev_attr_driver_version,
 831         &dev_attr_option_rom_version,
 832         &dev_attr_firmware_version,
 833         &dev_attr_number_of_ports,
 834         &dev_attr_driver_name,
 835         &dev_attr_number_of_discovered_ports,
 836         NULL,
 837 };
 838
 839 struct device_attribute *bfad_im_vport_attrs[] = {
 840     &dev_attr_serial_number,
 841     &dev_attr_model,
 842     &dev_attr_model_description,
 843     &dev_attr_node_name,
 844     &dev_attr_symbolic_name,
 845     &dev_attr_hardware_version,
 846     &dev_attr_driver_version,
 847     &dev_attr_option_rom_version,
 848     &dev_attr_firmware_version,
 849     &dev_attr_number_of_ports,
 850     &dev_attr_driver_name,
 851     &dev_attr_number_of_discovered_ports,
 852     NULL,
 853 };