drivers/scsi/bfa/bfad_attr.c

   1 /*
   2  * Copyright (c) 2005-2010 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 "bfad_drv.h"
  23 #include "bfad_im.h"
  24
  25 /*
  26  * FC transport template entry, get SCSI target port ID.
  27  */
  28 static void
  29 bfad_im_get_starget_port_id(struct scsi_target *starget)
  30 {
  31         struct Scsi_Host *shost;
  32         struct bfad_im_port_s *im_port;
  33         struct bfad_s         *bfad;
  34         struct bfad_itnim_s   *itnim = NULL;
  35         u32        fc_id = -1;
  36         unsigned long   flags;
  37
  38         shost = dev_to_shost(starget->dev.parent);
  39         im_port = (struct bfad_im_port_s *) shost->hostdata[0];
  40         bfad = im_port->bfad;
  41         spin_lock_irqsave(&bfad->bfad_lock, flags);
  42
  43         itnim = bfad_get_itnim(im_port, starget->id);
  44         if (itnim)
  45                 fc_id = bfa_fcs_itnim_get_fcid(&itnim->fcs_itnim);
  46
  47         fc_starget_port_id(starget) = fc_id;
  48         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
  49 }
  50
  51 /*
  52  * FC transport template entry, get SCSI target nwwn.
  53  */
  54 static void
  55 bfad_im_get_starget_node_name(struct scsi_target *starget)
  56 {
  57         struct Scsi_Host *shost;
  58         struct bfad_im_port_s *im_port;
  59         struct bfad_s         *bfad;
  60         struct bfad_itnim_s   *itnim = NULL;
  61         u64             node_name = 0;
  62         unsigned long   flags;
  63
  64         shost = dev_to_shost(starget->dev.parent);
  65         im_port = (struct bfad_im_port_s *) shost->hostdata[0];
  66         bfad = im_port->bfad;
  67         spin_lock_irqsave(&bfad->bfad_lock, flags);
  68
  69         itnim = bfad_get_itnim(im_port, starget->id);
  70         if (itnim)
  71                 node_name = bfa_fcs_itnim_get_nwwn(&itnim->fcs_itnim);
  72
  73         fc_starget_node_name(starget) = cpu_to_be64(node_name);
  74         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
  75 }
  76
  77 /*
  78  * FC transport template entry, get SCSI target pwwn.
  79  */
  80 static void
  81 bfad_im_get_starget_port_name(struct scsi_target *starget)
  82 {
  83         struct Scsi_Host *shost;
  84         struct bfad_im_port_s *im_port;
  85         struct bfad_s         *bfad;
  86         struct bfad_itnim_s   *itnim = NULL;
  87         u64             port_name = 0;
  88         unsigned long   flags;
  89
  90         shost = dev_to_shost(starget->dev.parent);
  91         im_port = (struct bfad_im_port_s *) shost->hostdata[0];
  92         bfad = im_port->bfad;
  93         spin_lock_irqsave(&bfad->bfad_lock, flags);
  94
  95         itnim = bfad_get_itnim(im_port, starget->id);
  96         if (itnim)
  97                 port_name = bfa_fcs_itnim_get_pwwn(&itnim->fcs_itnim);
  98
  99         fc_starget_port_name(starget) = cpu_to_be64(port_name);
 100         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 101 }
 102
 103 /*
 104  * FC transport template entry, get SCSI host port ID.
 105  */
 106 static void
 107 bfad_im_get_host_port_id(struct Scsi_Host *shost)
 108 {
 109         struct bfad_im_port_s *im_port =
 110                         (struct bfad_im_port_s *) shost->hostdata[0];
 111         struct bfad_port_s    *port = im_port->port;
 112
 113         fc_host_port_id(shost) =
 114                         bfa_hton3b(bfa_fcs_lport_get_fcid(port->fcs_port));
 115 }
 116
 117 /*
 118  * FC transport template entry, get SCSI host port type.
 119  */
 120 static void
 121 bfad_im_get_host_port_type(struct Scsi_Host *shost)
 122 {
 123         struct bfad_im_port_s *im_port =
 124                         (struct bfad_im_port_s *) shost->hostdata[0];
 125         struct bfad_s         *bfad = im_port->bfad;
 126         struct bfa_lport_attr_s port_attr;
 127
 128         bfa_fcs_lport_get_attr(&bfad->bfa_fcs.fabric.bport, &port_attr);
 129
 130         switch (port_attr.port_type) {
 131         case BFA_PORT_TYPE_NPORT:
 132                 fc_host_port_type(shost) = FC_PORTTYPE_NPORT;
 133                 break;
 134         case BFA_PORT_TYPE_NLPORT:
 135                 fc_host_port_type(shost) = FC_PORTTYPE_NLPORT;
 136                 break;
 137         case BFA_PORT_TYPE_P2P:
 138                 fc_host_port_type(shost) = FC_PORTTYPE_PTP;
 139                 break;
 140         case BFA_PORT_TYPE_LPORT:
 141                 fc_host_port_type(shost) = FC_PORTTYPE_LPORT;
 142                 break;
 143         default:
 144                 fc_host_port_type(shost) = FC_PORTTYPE_UNKNOWN;
 145                 break;
 146         }
 147 }
 148
 149 /*
 150  * FC transport template entry, get SCSI host port state.
 151  */
 152 static void
 153 bfad_im_get_host_port_state(struct Scsi_Host *shost)
 154 {
 155         struct bfad_im_port_s *im_port =
 156                         (struct bfad_im_port_s *) shost->hostdata[0];
 157         struct bfad_s         *bfad = im_port->bfad;
 158         struct bfa_port_attr_s attr;
 159
 160         bfa_fcport_get_attr(&bfad->bfa, &attr);
 161
 162         switch (attr.port_state) {
 163         case BFA_PORT_ST_LINKDOWN:
 164                 fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
 165                 break;
 166         case BFA_PORT_ST_LINKUP:
 167                 fc_host_port_state(shost) = FC_PORTSTATE_ONLINE;
 168                 break;
 169         case BFA_PORT_ST_DISABLED:
 170         case BFA_PORT_ST_STOPPED:
 171         case BFA_PORT_ST_IOCDOWN:
 172         case BFA_PORT_ST_IOCDIS:
 173                 fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE;
 174                 break;
 175         case BFA_PORT_ST_UNINIT:
 176         case BFA_PORT_ST_ENABLING_QWAIT:
 177         case BFA_PORT_ST_ENABLING:
 178         case BFA_PORT_ST_DISABLING_QWAIT:
 179         case BFA_PORT_ST_DISABLING:
 180         default:
 181                 fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN;
 182                 break;
 183         }
 184 }
 185
 186 /*
 187  * FC transport template entry, get SCSI host active fc4s.
 188  */
 189 static void
 190 bfad_im_get_host_active_fc4s(struct Scsi_Host *shost)
 191 {
 192         struct bfad_im_port_s *im_port =
 193                         (struct bfad_im_port_s *) shost->hostdata[0];
 194         struct bfad_port_s    *port = im_port->port;
 195
 196         memset(fc_host_active_fc4s(shost), 0,
 197                sizeof(fc_host_active_fc4s(shost)));
 198
 199         if (port->supported_fc4s & BFA_LPORT_ROLE_FCP_IM)
 200                 fc_host_active_fc4s(shost)[2] = 1;
 201
 202         fc_host_active_fc4s(shost)[7] = 1;
 203 }
 204
 205 /*
 206  * FC transport template entry, get SCSI host link speed.
 207  */
 208 static void
 209 bfad_im_get_host_speed(struct Scsi_Host *shost)
 210 {
 211         struct bfad_im_port_s *im_port =
 212                         (struct bfad_im_port_s *) shost->hostdata[0];
 213         struct bfad_s         *bfad = im_port->bfad;
 214         struct bfa_port_attr_s attr;
 215
 216         bfa_fcport_get_attr(&bfad->bfa, &attr);
 217         switch (attr.speed) {
 218         case BFA_PORT_SPEED_10GBPS:
 219                 fc_host_speed(shost) = FC_PORTSPEED_10GBIT;
 220                 break;
 221         case BFA_PORT_SPEED_16GBPS:
 222                 fc_host_speed(shost) = FC_PORTSPEED_16GBIT;
 223                 break;
 224         case BFA_PORT_SPEED_8GBPS:
 225                 fc_host_speed(shost) = FC_PORTSPEED_8GBIT;
 226                 break;
 227         case BFA_PORT_SPEED_4GBPS:
 228                 fc_host_speed(shost) = FC_PORTSPEED_4GBIT;
 229                 break;
 230         case BFA_PORT_SPEED_2GBPS:
 231                 fc_host_speed(shost) = FC_PORTSPEED_2GBIT;
 232                 break;
 233         case BFA_PORT_SPEED_1GBPS:
 234                 fc_host_speed(shost) = FC_PORTSPEED_1GBIT;
 235                 break;
 236         default:
 237                 fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN;
 238                 break;
 239         }
 240 }
 241
 242 /*
 243  * FC transport template entry, get SCSI host port type.
 244  */
 245 static void
 246 bfad_im_get_host_fabric_name(struct Scsi_Host *shost)
 247 {
 248         struct bfad_im_port_s *im_port =
 249                         (struct bfad_im_port_s *) shost->hostdata[0];
 250         struct bfad_port_s    *port = im_port->port;
 251         wwn_t           fabric_nwwn = 0;
 252
 253         fabric_nwwn = bfa_fcs_lport_get_fabric_name(port->fcs_port);
 254
 255         fc_host_fabric_name(shost) = cpu_to_be64(fabric_nwwn);
 256
 257 }
 258
 259 /*
 260  * FC transport template entry, get BFAD statistics.
 261  */
 262 static struct fc_host_statistics *
 263 bfad_im_get_stats(struct Scsi_Host *shost)
 264 {
 265         struct bfad_im_port_s *im_port =
 266                         (struct bfad_im_port_s *) shost->hostdata[0];
 267         struct bfad_s         *bfad = im_port->bfad;
 268         struct bfad_hal_comp fcomp;
 269         union bfa_port_stats_u *fcstats;
 270         struct fc_host_statistics *hstats;
 271         bfa_status_t    rc;
 272         unsigned long   flags;
 273
 274         fcstats = kzalloc(sizeof(union bfa_port_stats_u), GFP_KERNEL);
 275         if (fcstats == NULL)
 276                 return NULL;
 277
 278         hstats = &bfad->link_stats;
 279         init_completion(&fcomp.comp);
 280         spin_lock_irqsave(&bfad->bfad_lock, flags);
 281         memset(hstats, 0, sizeof(struct fc_host_statistics));
 282         rc = bfa_port_get_stats(BFA_FCPORT(&bfad->bfa),
 283                                 fcstats, bfad_hcb_comp, &fcomp);
 284         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 285         if (rc != BFA_STATUS_OK)
 286                 return NULL;
 287
 288         wait_for_completion(&fcomp.comp);
 289
 290         /* Fill the fc_host_statistics structure */
 291         hstats->seconds_since_last_reset = fcstats->fc.secs_reset;
 292         hstats->tx_frames = fcstats->fc.tx_frames;
 293         hstats->tx_words  = fcstats->fc.tx_words;
 294         hstats->rx_frames = fcstats->fc.rx_frames;
 295         hstats->rx_words  = fcstats->fc.rx_words;
 296         hstats->lip_count = fcstats->fc.lip_count;
 297         hstats->nos_count = fcstats->fc.nos_count;
 298         hstats->error_frames = fcstats->fc.error_frames;
 299         hstats->dumped_frames = fcstats->fc.dropped_frames;
 300         hstats->link_failure_count = fcstats->fc.link_failures;
 301         hstats->loss_of_sync_count = fcstats->fc.loss_of_syncs;
 302         hstats->loss_of_signal_count = fcstats->fc.loss_of_signals;
 303         hstats->prim_seq_protocol_err_count = fcstats->fc.primseq_errs;
 304         hstats->invalid_crc_count = fcstats->fc.invalid_crcs;
 305
 306         kfree(fcstats);
 307         return hstats;
 308 }
 309
 310 /*
 311  * FC transport template entry, reset BFAD statistics.
 312  */
 313 static void
 314 bfad_im_reset_stats(struct Scsi_Host *shost)
 315 {
 316         struct bfad_im_port_s *im_port =
 317                         (struct bfad_im_port_s *) shost->hostdata[0];
 318         struct bfad_s         *bfad = im_port->bfad;
 319         struct bfad_hal_comp fcomp;
 320         unsigned long   flags;
 321         bfa_status_t    rc;
 322
 323         init_completion(&fcomp.comp);
 324         spin_lock_irqsave(&bfad->bfad_lock, flags);
 325         rc = bfa_port_clear_stats(BFA_FCPORT(&bfad->bfa), bfad_hcb_comp,
 326                                         &fcomp);
 327         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 328
 329         if (rc != BFA_STATUS_OK)
 330                 return;
 331
 332         wait_for_completion(&fcomp.comp);
 333
 334         return;
 335 }
 336
 337 /*
 338  * FC transport template entry, get rport loss timeout.
 339  */
 340 static void
 341 bfad_im_get_rport_loss_tmo(struct fc_rport *rport)
 342 {
 343         struct bfad_itnim_data_s *itnim_data = rport->dd_data;
 344         struct bfad_itnim_s   *itnim = itnim_data->itnim;
 345         struct bfad_s         *bfad = itnim->im->bfad;
 346         unsigned long   flags;
 347
 348         spin_lock_irqsave(&bfad->bfad_lock, flags);
 349         rport->dev_loss_tmo = bfa_fcpim_path_tov_get(&bfad->bfa);
 350         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 351 }
 352
 353 /*
 354  * FC transport template entry, set rport loss timeout.
 355  */
 356 static void
 357 bfad_im_set_rport_loss_tmo(struct fc_rport *rport, u32 timeout)
 358 {
 359         struct bfad_itnim_data_s *itnim_data = rport->dd_data;
 360         struct bfad_itnim_s   *itnim = itnim_data->itnim;
 361         struct bfad_s         *bfad = itnim->im->bfad;
 362         unsigned long   flags;
 363
 364         if (timeout > 0) {
 365                 spin_lock_irqsave(&bfad->bfad_lock, flags);
 366                 bfa_fcpim_path_tov_set(&bfad->bfa, timeout);
 367                 rport->dev_loss_tmo = bfa_fcpim_path_tov_get(&bfad->bfa);
 368                 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 369         }
 370
 371 }
 372
 373 static int
 374 bfad_im_vport_create(struct fc_vport *fc_vport, bool disable)
 375 {
 376         char *vname = fc_vport->symbolic_name;
 377         struct Scsi_Host *shost = fc_vport->shost;
 378         struct bfad_im_port_s *im_port =
 379                 (struct bfad_im_port_s *) shost->hostdata[0];
 380         struct bfad_s *bfad = im_port->bfad;
 381         struct bfa_lport_cfg_s port_cfg;
 382         struct bfad_vport_s *vp;
 383         int status = 0, rc;
 384         unsigned long flags;
 385
 386         memset(&port_cfg, 0, sizeof(port_cfg));
 387         u64_to_wwn(fc_vport->node_name, (u8 *)&port_cfg.nwwn);
 388         u64_to_wwn(fc_vport->port_name, (u8 *)&port_cfg.pwwn);
 389         if (strlen(vname) > 0)
 390                 strcpy((char *)&port_cfg.sym_name, vname);
 391         port_cfg.roles = BFA_LPORT_ROLE_FCP_IM;
 392
 393         spin_lock_irqsave(&bfad->bfad_lock, flags);
 394         list_for_each_entry(vp, &bfad->pbc_vport_list, list_entry) {
 395                 if (port_cfg.pwwn ==
 396                                 vp->fcs_vport.lport.port_cfg.pwwn) {
 397                         port_cfg.preboot_vp =
 398                                 vp->fcs_vport.lport.port_cfg.preboot_vp;
 399                         break;
 400                 }
 401         }
 402         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 403
 404         rc = bfad_vport_create(bfad, 0, &port_cfg, &fc_vport->dev);
 405         if (rc == BFA_STATUS_OK) {
 406                 struct bfad_vport_s *vport;
 407                 struct bfa_fcs_vport_s *fcs_vport;
 408                 struct Scsi_Host *vshost;
 409
 410                 spin_lock_irqsave(&bfad->bfad_lock, flags);
 411                 fcs_vport = bfa_fcs_vport_lookup(&bfad->bfa_fcs, 0,
 412                                         port_cfg.pwwn);
 413                 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 414                 if (fcs_vport == NULL)
 415                         return VPCERR_BAD_WWN;
 416
 417                 fc_vport_set_state(fc_vport, FC_VPORT_ACTIVE);
 418                 if (disable) {
 419                         spin_lock_irqsave(&bfad->bfad_lock, flags);
 420                         bfa_fcs_vport_stop(fcs_vport);
 421                         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 422                         fc_vport_set_state(fc_vport, FC_VPORT_DISABLED);
 423                 }
 424
 425                 vport = fcs_vport->vport_drv;
 426                 vshost = vport->drv_port.im_port->shost;
 427                 fc_host_node_name(vshost) = wwn_to_u64((u8 *)&port_cfg.nwwn);
 428                 fc_host_port_name(vshost) = wwn_to_u64((u8 *)&port_cfg.pwwn);
 429                 fc_vport->dd_data = vport;
 430                 vport->drv_port.im_port->fc_vport = fc_vport;
 431         } else if (rc == BFA_STATUS_INVALID_WWN)
 432                 return VPCERR_BAD_WWN;
 433         else if (rc == BFA_STATUS_VPORT_EXISTS)
 434                 return VPCERR_BAD_WWN;
 435         else if (rc == BFA_STATUS_VPORT_MAX)
 436                 return VPCERR_NO_FABRIC_SUPP;
 437         else if (rc == BFA_STATUS_VPORT_WWN_BP)
 438                 return VPCERR_BAD_WWN;
 439         else
 440                 return FC_VPORT_FAILED;
 441
 442         return status;
 443 }
 444
 445 static int
 446 bfad_im_vport_delete(struct fc_vport *fc_vport)
 447 {
 448         struct bfad_vport_s *vport = (struct bfad_vport_s *)fc_vport->dd_data;
 449         struct bfad_im_port_s *im_port =
 450                         (struct bfad_im_port_s *) vport->drv_port.im_port;
 451         struct bfad_s *bfad = im_port->bfad;
 452         struct bfad_port_s *port;
 453         struct bfa_fcs_vport_s *fcs_vport;
 454         struct Scsi_Host *vshost;
 455         wwn_t   pwwn;
 456         int rc;
 457         unsigned long flags;
 458         struct completion fcomp;
 459
 460         if (im_port->flags & BFAD_PORT_DELETE)
 461                 goto free_scsi_host;
 462
 463         port = im_port->port;
 464
 465         vshost = vport->drv_port.im_port->shost;
 466         u64_to_wwn(fc_host_port_name(vshost), (u8 *)&pwwn);
 467
 468         spin_lock_irqsave(&bfad->bfad_lock, flags);
 469         fcs_vport = bfa_fcs_vport_lookup(&bfad->bfa_fcs, 0, pwwn);
 470         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 471
 472         if (fcs_vport == NULL)
 473                 return VPCERR_BAD_WWN;
 474
 475         vport->drv_port.flags |= BFAD_PORT_DELETE;
 476
 477         vport->comp_del = &fcomp;
 478         init_completion(vport->comp_del);
 479
 480         spin_lock_irqsave(&bfad->bfad_lock, flags);
 481         rc = bfa_fcs_vport_delete(&vport->fcs_vport);
 482         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 483
 484         if (rc == BFA_STATUS_PBC) {
 485                 vport->drv_port.flags &= ~BFAD_PORT_DELETE;
 486                 vport->comp_del = NULL;
 487                 return -1;
 488         }
 489
 490         wait_for_completion(vport->comp_del);
 491
 492 free_scsi_host:
 493         bfad_scsi_host_free(bfad, im_port);
 494
 495         kfree(vport);
 496
 497         return 0;
 498 }
 499
 500 static int
 501 bfad_im_vport_disable(struct fc_vport *fc_vport, bool disable)
 502 {
 503         struct bfad_vport_s *vport;
 504         struct bfad_s *bfad;
 505         struct bfa_fcs_vport_s *fcs_vport;
 506         struct Scsi_Host *vshost;
 507         wwn_t   pwwn;
 508         unsigned long flags;
 509
 510         vport = (struct bfad_vport_s *)fc_vport->dd_data;
 511         bfad = vport->drv_port.bfad;
 512         vshost = vport->drv_port.im_port->shost;
 513         u64_to_wwn(fc_host_port_name(vshost), (u8 *)&pwwn);
 514
 515         spin_lock_irqsave(&bfad->bfad_lock, flags);
 516         fcs_vport = bfa_fcs_vport_lookup(&bfad->bfa_fcs, 0, pwwn);
 517         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 518
 519         if (fcs_vport == NULL)
 520                 return VPCERR_BAD_WWN;
 521
 522         if (disable) {
 523                 bfa_fcs_vport_stop(fcs_vport);
 524                 fc_vport_set_state(fc_vport, FC_VPORT_DISABLED);
 525         } else {
 526                 bfa_fcs_vport_start(fcs_vport);
 527                 fc_vport_set_state(fc_vport, FC_VPORT_ACTIVE);
 528         }
 529
 530         return 0;
 531 }
 532
 533 struct fc_function_template bfad_im_fc_function_template = {
 534
 535         /* Target dynamic attributes */
 536         .get_starget_port_id = bfad_im_get_starget_port_id,
 537         .show_starget_port_id = 1,
 538         .get_starget_node_name = bfad_im_get_starget_node_name,
 539         .show_starget_node_name = 1,
 540         .get_starget_port_name = bfad_im_get_starget_port_name,
 541         .show_starget_port_name = 1,
 542
 543         /* Host dynamic attribute */
 544         .get_host_port_id = bfad_im_get_host_port_id,
 545         .show_host_port_id = 1,
 546
 547         /* Host fixed attributes */
 548         .show_host_node_name = 1,
 549         .show_host_port_name = 1,
 550         .show_host_supported_classes = 1,
 551         .show_host_supported_fc4s = 1,
 552         .show_host_supported_speeds = 1,
 553         .show_host_maxframe_size = 1,
 554
 555         /* More host dynamic attributes */
 556         .show_host_port_type = 1,
 557         .get_host_port_type = bfad_im_get_host_port_type,
 558         .show_host_port_state = 1,
 559         .get_host_port_state = bfad_im_get_host_port_state,
 560         .show_host_active_fc4s = 1,
 561         .get_host_active_fc4s = bfad_im_get_host_active_fc4s,
 562         .show_host_speed = 1,
 563         .get_host_speed = bfad_im_get_host_speed,
 564         .show_host_fabric_name = 1,
 565         .get_host_fabric_name = bfad_im_get_host_fabric_name,
 566
 567         .show_host_symbolic_name = 1,
 568
 569         /* Statistics */
 570         .get_fc_host_stats = bfad_im_get_stats,
 571         .reset_fc_host_stats = bfad_im_reset_stats,
 572
 573         /* Allocation length for host specific data */
 574         .dd_fcrport_size = sizeof(struct bfad_itnim_data_s *),
 575
 576         /* Remote port fixed attributes */
 577         .show_rport_maxframe_size = 1,
 578         .show_rport_supported_classes = 1,
 579         .show_rport_dev_loss_tmo = 1,
 580         .get_rport_dev_loss_tmo = bfad_im_get_rport_loss_tmo,
 581         .set_rport_dev_loss_tmo = bfad_im_set_rport_loss_tmo,
 582
 583         .vport_create = bfad_im_vport_create,
 584         .vport_delete = bfad_im_vport_delete,
 585         .vport_disable = bfad_im_vport_disable,
 586         .bsg_request = bfad_im_bsg_request,
 587         .bsg_timeout = bfad_im_bsg_timeout,
 588 };
 589
 590 struct fc_function_template bfad_im_vport_fc_function_template = {
 591
 592         /* Target dynamic attributes */
 593         .get_starget_port_id = bfad_im_get_starget_port_id,
 594         .show_starget_port_id = 1,
 595         .get_starget_node_name = bfad_im_get_starget_node_name,
 596         .show_starget_node_name = 1,
 597         .get_starget_port_name = bfad_im_get_starget_port_name,
 598         .show_starget_port_name = 1,
 599
 600         /* Host dynamic attribute */
 601         .get_host_port_id = bfad_im_get_host_port_id,
 602         .show_host_port_id = 1,
 603
 604         /* Host fixed attributes */
 605         .show_host_node_name = 1,
 606         .show_host_port_name = 1,
 607         .show_host_supported_classes = 1,
 608         .show_host_supported_fc4s = 1,
 609         .show_host_supported_speeds = 1,
 610         .show_host_maxframe_size = 1,
 611
 612         /* More host dynamic attributes */
 613         .show_host_port_type = 1,
 614         .get_host_port_type = bfad_im_get_host_port_type,
 615         .show_host_port_state = 1,
 616         .get_host_port_state = bfad_im_get_host_port_state,
 617         .show_host_active_fc4s = 1,
 618         .get_host_active_fc4s = bfad_im_get_host_active_fc4s,
 619         .show_host_speed = 1,
 620         .get_host_speed = bfad_im_get_host_speed,
 621         .show_host_fabric_name = 1,
 622         .get_host_fabric_name = bfad_im_get_host_fabric_name,
 623
 624         .show_host_symbolic_name = 1,
 625
 626         /* Statistics */
 627         .get_fc_host_stats = bfad_im_get_stats,
 628         .reset_fc_host_stats = bfad_im_reset_stats,
 629
 630         /* Allocation length for host specific data */
 631         .dd_fcrport_size = sizeof(struct bfad_itnim_data_s *),
 632
 633         /* Remote port fixed attributes */
 634         .show_rport_maxframe_size = 1,
 635         .show_rport_supported_classes = 1,
 636         .show_rport_dev_loss_tmo = 1,
 637         .get_rport_dev_loss_tmo = bfad_im_get_rport_loss_tmo,
 638         .set_rport_dev_loss_tmo = bfad_im_set_rport_loss_tmo,
 639 };
 640
 641 /*
 642  *  Scsi_Host_attrs SCSI host attributes
 643  */
 644 static ssize_t
 645 bfad_im_serial_num_show(struct device *dev, struct device_attribute *attr,
 646                          char *buf)
 647 {
 648         struct Scsi_Host *shost = class_to_shost(dev);
 649         struct bfad_im_port_s *im_port =
 650                         (struct bfad_im_port_s *) shost->hostdata[0];
 651         struct bfad_s *bfad = im_port->bfad;
 652         char serial_num[BFA_ADAPTER_SERIAL_NUM_LEN];
 653
 654         bfa_get_adapter_serial_num(&bfad->bfa, serial_num);
 655         return snprintf(buf, PAGE_SIZE, "%s\n", serial_num);
 656 }
 657
 658 static ssize_t
 659 bfad_im_model_show(struct device *dev, struct device_attribute *attr,
 660                         char *buf)
 661 {
 662         struct Scsi_Host *shost = class_to_shost(dev);
 663         struct bfad_im_port_s *im_port =
 664                         (struct bfad_im_port_s *) shost->hostdata[0];
 665         struct bfad_s *bfad = im_port->bfad;
 666         char model[BFA_ADAPTER_MODEL_NAME_LEN];
 667
 668         bfa_get_adapter_model(&bfad->bfa, model);
 669         return snprintf(buf, PAGE_SIZE, "%s\n", model);
 670 }
 671
 672 static ssize_t
 673 bfad_im_model_desc_show(struct device *dev, struct device_attribute *attr,
 674                                  char *buf)
 675 {
 676         struct Scsi_Host *shost = class_to_shost(dev);
 677         struct bfad_im_port_s *im_port =
 678                         (struct bfad_im_port_s *) shost->hostdata[0];
 679         struct bfad_s *bfad = im_port->bfad;
 680         char model[BFA_ADAPTER_MODEL_NAME_LEN];
 681         char model_descr[BFA_ADAPTER_MODEL_DESCR_LEN];
 682         int nports = 0;
 683
 684         bfa_get_adapter_model(&bfad->bfa, model);
 685         nports = bfa_get_nports(&bfad->bfa);
 686         if (!strcmp(model, "Brocade-425"))
 687                 snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
 688                         "Brocade 4Gbps PCIe dual port FC HBA");
 689         else if (!strcmp(model, "Brocade-825"))
 690                 snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
 691                         "Brocade 8Gbps PCIe dual port FC HBA");
 692         else if (!strcmp(model, "Brocade-42B"))
 693                 snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
 694                         "Brocade 4Gbps PCIe dual port FC HBA for HP");
 695         else if (!strcmp(model, "Brocade-82B"))
 696                 snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
 697                         "Brocade 8Gbps PCIe dual port FC HBA for HP");
 698         else if (!strcmp(model, "Brocade-1010"))
 699                 snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
 700                         "Brocade 10Gbps single port CNA");
 701         else if (!strcmp(model, "Brocade-1020"))
 702                 snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
 703                         "Brocade 10Gbps dual port CNA");
 704         else if (!strcmp(model, "Brocade-1007"))
 705                 snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
 706                         "Brocade 10Gbps CNA for IBM Blade Center");
 707         else if (!strcmp(model, "Brocade-415"))
 708                 snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
 709                         "Brocade 4Gbps PCIe single port FC HBA");
 710         else if (!strcmp(model, "Brocade-815"))
 711                 snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
 712                         "Brocade 8Gbps PCIe single port FC HBA");
 713         else if (!strcmp(model, "Brocade-41B"))
 714                 snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
 715                         "Brocade 4Gbps PCIe single port FC HBA for HP");
 716         else if (!strcmp(model, "Brocade-81B"))
 717                 snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
 718                         "Brocade 8Gbps PCIe single port FC HBA for HP");
 719         else if (!strcmp(model, "Brocade-804"))
 720                 snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
 721                         "Brocade 8Gbps FC HBA for HP Bladesystem C-class");
 722         else if (!strcmp(model, "Brocade-902") ||
 723                  !strcmp(model, "Brocade-1741"))
 724                 snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
 725                         "Brocade 10Gbps CNA for Dell M-Series Blade Servers");
 726         else if (strstr(model, "Brocade-1560")) {
 727                 if (nports == 1)
 728                         snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
 729                                 "Brocade 16Gbps PCIe single port FC HBA");
 730                 else
 731                         snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
 732                                 "Brocade 16Gbps PCIe dual port FC HBA");
 733         } else if (strstr(model, "Brocade-1710")) {
 734                 if (nports == 1)
 735                         snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
 736                                 "Brocade 10Gbps single port CNA");
 737                 else
 738                         snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
 739                                 "Brocade 10Gbps dual port CNA");
 740         } else if (strstr(model, "Brocade-1860")) {
 741                 if (nports == 1 && bfa_ioc_is_cna(&bfad->bfa.ioc))
 742                         snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
 743                                 "Brocade 10Gbps single port CNA");
 744                 else if (nports == 1 && !bfa_ioc_is_cna(&bfad->bfa.ioc))
 745                         snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
 746                                 "Brocade 16Gbps PCIe single port FC HBA");
 747                 else if (nports == 2 && bfa_ioc_is_cna(&bfad->bfa.ioc))
 748                         snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
 749                                 "Brocade 10Gbps dual port CNA");
 750                 else if (nports == 2 && !bfa_ioc_is_cna(&bfad->bfa.ioc))
 751                         snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
 752                                 "Brocade 16Gbps PCIe dual port FC HBA");
 753         } else
 754                 snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
 755                         "Invalid Model");
 756
 757         return snprintf(buf, PAGE_SIZE, "%s\n", model_descr);
 758 }
 759
 760 static ssize_t
 761 bfad_im_node_name_show(struct device *dev, struct device_attribute *attr,
 762                                  char *buf)
 763 {
 764         struct Scsi_Host *shost = class_to_shost(dev);
 765         struct bfad_im_port_s *im_port =
 766                         (struct bfad_im_port_s *) shost->hostdata[0];
 767         struct bfad_port_s    *port = im_port->port;
 768         u64        nwwn;
 769
 770         nwwn = bfa_fcs_lport_get_nwwn(port->fcs_port);
 771         return snprintf(buf, PAGE_SIZE, "0x%llx\n", cpu_to_be64(nwwn));
 772 }
 773
 774 static ssize_t
 775 bfad_im_symbolic_name_show(struct device *dev, struct device_attribute *attr,
 776                                  char *buf)
 777 {
 778         struct Scsi_Host *shost = class_to_shost(dev);
 779         struct bfad_im_port_s *im_port =
 780                         (struct bfad_im_port_s *) shost->hostdata[0];
 781         struct bfad_s *bfad = im_port->bfad;
 782         struct bfa_lport_attr_s port_attr;
 783         char symname[BFA_SYMNAME_MAXLEN];
 784
 785         bfa_fcs_lport_get_attr(&bfad->bfa_fcs.fabric.bport, &port_attr);
 786         strncpy(symname, port_attr.port_cfg.sym_name.symname,
 787                         BFA_SYMNAME_MAXLEN);
 788         return snprintf(buf, PAGE_SIZE, "%s\n", symname);
 789 }
 790
 791 static ssize_t
 792 bfad_im_hw_version_show(struct device *dev, struct device_attribute *attr,
 793                                 char *buf)
 794 {
 795         struct Scsi_Host *shost = class_to_shost(dev);
 796         struct bfad_im_port_s *im_port =
 797                         (struct bfad_im_port_s *) shost->hostdata[0];
 798         struct bfad_s *bfad = im_port->bfad;
 799         char hw_ver[BFA_VERSION_LEN];
 800
 801         bfa_get_pci_chip_rev(&bfad->bfa, hw_ver);
 802         return snprintf(buf, PAGE_SIZE, "%s\n", hw_ver);
 803 }
 804
 805 static ssize_t
 806 bfad_im_drv_version_show(struct device *dev, struct device_attribute *attr,
 807                                 char *buf)
 808 {
 809         return snprintf(buf, PAGE_SIZE, "%s\n", BFAD_DRIVER_VERSION);
 810 }
 811
 812 static ssize_t
 813 bfad_im_optionrom_version_show(struct device *dev,
 814                          struct device_attribute *attr, char *buf)
 815 {
 816         struct Scsi_Host *shost = class_to_shost(dev);
 817         struct bfad_im_port_s *im_port =
 818                         (struct bfad_im_port_s *) shost->hostdata[0];
 819         struct bfad_s *bfad = im_port->bfad;
 820         char optrom_ver[BFA_VERSION_LEN];
 821
 822         bfa_get_adapter_optrom_ver(&bfad->bfa, optrom_ver);
 823         return snprintf(buf, PAGE_SIZE, "%s\n", optrom_ver);
 824 }
 825
 826 static ssize_t
 827 bfad_im_fw_version_show(struct device *dev, struct device_attribute *attr,
 828                                  char *buf)
 829 {
 830         struct Scsi_Host *shost = class_to_shost(dev);
 831         struct bfad_im_port_s *im_port =
 832                         (struct bfad_im_port_s *) shost->hostdata[0];
 833         struct bfad_s *bfad = im_port->bfad;
 834         char fw_ver[BFA_VERSION_LEN];
 835
 836         bfa_get_adapter_fw_ver(&bfad->bfa, fw_ver);
 837         return snprintf(buf, PAGE_SIZE, "%s\n", fw_ver);
 838 }
 839
 840 static ssize_t
 841 bfad_im_num_of_ports_show(struct device *dev, struct device_attribute *attr,
 842                                 char *buf)
 843 {
 844         struct Scsi_Host *shost = class_to_shost(dev);
 845         struct bfad_im_port_s *im_port =
 846                         (struct bfad_im_port_s *) shost->hostdata[0];
 847         struct bfad_s *bfad = im_port->bfad;
 848
 849         return snprintf(buf, PAGE_SIZE, "%d\n",
 850                         bfa_get_nports(&bfad->bfa));
 851 }
 852
 853 static ssize_t
 854 bfad_im_drv_name_show(struct device *dev, struct device_attribute *attr,
 855                                 char *buf)
 856 {
 857         return snprintf(buf, PAGE_SIZE, "%s\n", BFAD_DRIVER_NAME);
 858 }
 859
 860 static ssize_t
 861 bfad_im_num_of_discovered_ports_show(struct device *dev,
 862                         struct device_attribute *attr, char *buf)
 863 {
 864         struct Scsi_Host *shost = class_to_shost(dev);
 865         struct bfad_im_port_s *im_port =
 866                         (struct bfad_im_port_s *) shost->hostdata[0];
 867         struct bfad_port_s    *port = im_port->port;
 868         struct bfad_s         *bfad = im_port->bfad;
 869         int        nrports = 2048;
 870         wwn_t          *rports = NULL;
 871         unsigned long   flags;
 872
 873         rports = kzalloc(sizeof(wwn_t) * nrports , GFP_ATOMIC);
 874         if (rports == NULL)
 875                 return snprintf(buf, PAGE_SIZE, "Failed\n");
 876
 877         spin_lock_irqsave(&bfad->bfad_lock, flags);
 878         bfa_fcs_lport_get_rports(port->fcs_port, rports, &nrports);
 879         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 880         kfree(rports);
 881
 882         return snprintf(buf, PAGE_SIZE, "%d\n", nrports);
 883 }
 884
 885 static          DEVICE_ATTR(serial_number, S_IRUGO,
 886                                 bfad_im_serial_num_show, NULL);
 887 static          DEVICE_ATTR(model, S_IRUGO, bfad_im_model_show, NULL);
 888 static          DEVICE_ATTR(model_description, S_IRUGO,
 889                                 bfad_im_model_desc_show, NULL);
 890 static          DEVICE_ATTR(node_name, S_IRUGO, bfad_im_node_name_show, NULL);
 891 static          DEVICE_ATTR(symbolic_name, S_IRUGO,
 892                                 bfad_im_symbolic_name_show, NULL);
 893 static          DEVICE_ATTR(hardware_version, S_IRUGO,
 894                                 bfad_im_hw_version_show, NULL);
 895 static          DEVICE_ATTR(driver_version, S_IRUGO,
 896                                 bfad_im_drv_version_show, NULL);
 897 static          DEVICE_ATTR(option_rom_version, S_IRUGO,
 898                                 bfad_im_optionrom_version_show, NULL);
 899 static          DEVICE_ATTR(firmware_version, S_IRUGO,
 900                                 bfad_im_fw_version_show, NULL);
 901 static          DEVICE_ATTR(number_of_ports, S_IRUGO,
 902                                 bfad_im_num_of_ports_show, NULL);
 903 static          DEVICE_ATTR(driver_name, S_IRUGO, bfad_im_drv_name_show, NULL);
 904 static          DEVICE_ATTR(number_of_discovered_ports, S_IRUGO,
 905                                 bfad_im_num_of_discovered_ports_show, NULL);
 906
 907 struct device_attribute *bfad_im_host_attrs[] = {
 908         &dev_attr_serial_number,
 909         &dev_attr_model,
 910         &dev_attr_model_description,
 911         &dev_attr_node_name,
 912         &dev_attr_symbolic_name,
 913         &dev_attr_hardware_version,
 914         &dev_attr_driver_version,
 915         &dev_attr_option_rom_version,
 916         &dev_attr_firmware_version,
 917         &dev_attr_number_of_ports,
 918         &dev_attr_driver_name,
 919         &dev_attr_number_of_discovered_ports,
 920         NULL,
 921 };
 922
 923 struct device_attribute *bfad_im_vport_attrs[] = {
 924         &dev_attr_serial_number,
 925         &dev_attr_model,
 926         &dev_attr_model_description,
 927         &dev_attr_node_name,
 928         &dev_attr_symbolic_name,
 929         &dev_attr_hardware_version,
 930         &dev_attr_driver_version,
 931         &dev_attr_option_rom_version,
 932         &dev_attr_firmware_version,
 933         &dev_attr_number_of_ports,
 934         &dev_attr_driver_name,
 935         &dev_attr_number_of_discovered_ports,
 936         NULL,
 937 };
 938
 939