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, set rport loss timeout.
 339  * Update dev_loss_tmo based on the value pushed down by the stack
 340  * In case it is lesser than path_tov of driver, set it to path_tov + 1
 341  * to ensure that the driver times out before the application
 342  */
 343 static void
 344 bfad_im_set_rport_loss_tmo(struct fc_rport *rport, u32 timeout)
 345 {
 346         struct bfad_itnim_data_s *itnim_data = rport->dd_data;
 347         struct bfad_itnim_s   *itnim = itnim_data->itnim;
 348         struct bfad_s         *bfad = itnim->im->bfad;
 349         uint16_t path_tov = bfa_fcpim_path_tov_get(&bfad->bfa);
 350
 351         rport->dev_loss_tmo = timeout;
 352         if (timeout < path_tov)
 353                 rport->dev_loss_tmo = path_tov + 1;
 354 }
 355
 356 static int
 357 bfad_im_vport_create(struct fc_vport *fc_vport, bool disable)
 358 {
 359         char *vname = fc_vport->symbolic_name;
 360         struct Scsi_Host *shost = fc_vport->shost;
 361         struct bfad_im_port_s *im_port =
 362                 (struct bfad_im_port_s *) shost->hostdata[0];
 363         struct bfad_s *bfad = im_port->bfad;
 364         struct bfa_lport_cfg_s port_cfg;
 365         struct bfad_vport_s *vp;
 366         int status = 0, rc;
 367         unsigned long flags;
 368
 369         memset(&port_cfg, 0, sizeof(port_cfg));
 370         u64_to_wwn(fc_vport->node_name, (u8 *)&port_cfg.nwwn);
 371         u64_to_wwn(fc_vport->port_name, (u8 *)&port_cfg.pwwn);
 372         if (strlen(vname) > 0)
 373                 strcpy((char *)&port_cfg.sym_name, vname);
 374         port_cfg.roles = BFA_LPORT_ROLE_FCP_IM;
 375
 376         spin_lock_irqsave(&bfad->bfad_lock, flags);
 377         list_for_each_entry(vp, &bfad->pbc_vport_list, list_entry) {
 378                 if (port_cfg.pwwn ==
 379                                 vp->fcs_vport.lport.port_cfg.pwwn) {
 380                         port_cfg.preboot_vp =
 381                                 vp->fcs_vport.lport.port_cfg.preboot_vp;
 382                         break;
 383                 }
 384         }
 385         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 386
 387         rc = bfad_vport_create(bfad, 0, &port_cfg, &fc_vport->dev);
 388         if (rc == BFA_STATUS_OK) {
 389                 struct bfad_vport_s *vport;
 390                 struct bfa_fcs_vport_s *fcs_vport;
 391                 struct Scsi_Host *vshost;
 392
 393                 spin_lock_irqsave(&bfad->bfad_lock, flags);
 394                 fcs_vport = bfa_fcs_vport_lookup(&bfad->bfa_fcs, 0,
 395                                         port_cfg.pwwn);
 396                 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 397                 if (fcs_vport == NULL)
 398                         return VPCERR_BAD_WWN;
 399
 400                 fc_vport_set_state(fc_vport, FC_VPORT_ACTIVE);
 401                 if (disable) {
 402                         spin_lock_irqsave(&bfad->bfad_lock, flags);
 403                         bfa_fcs_vport_stop(fcs_vport);
 404                         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 405                         fc_vport_set_state(fc_vport, FC_VPORT_DISABLED);
 406                 }
 407
 408                 vport = fcs_vport->vport_drv;
 409                 vshost = vport->drv_port.im_port->shost;
 410                 fc_host_node_name(vshost) = wwn_to_u64((u8 *)&port_cfg.nwwn);
 411                 fc_host_port_name(vshost) = wwn_to_u64((u8 *)&port_cfg.pwwn);
 412                 fc_host_supported_classes(vshost) = FC_COS_CLASS3;
 413
 414                 memset(fc_host_supported_fc4s(vshost), 0,
 415                         sizeof(fc_host_supported_fc4s(vshost)));
 416
 417                 /* For FCP type 0x08 */
 418                 if (supported_fc4s & BFA_LPORT_ROLE_FCP_IM)
 419                         fc_host_supported_fc4s(vshost)[2] = 1;
 420
 421                 /* For fibre channel services type 0x20 */
 422                 fc_host_supported_fc4s(vshost)[7] = 1;
 423
 424                 fc_host_supported_speeds(vshost) =
 425                                 bfad_im_supported_speeds(&bfad->bfa);
 426                 fc_host_maxframe_size(vshost) =
 427                                 bfa_fcport_get_maxfrsize(&bfad->bfa);
 428
 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 int
 446 bfad_im_issue_fc_host_lip(struct Scsi_Host *shost)
 447 {
 448         struct bfad_im_port_s *im_port =
 449                         (struct bfad_im_port_s *) shost->hostdata[0];
 450         struct bfad_s *bfad = im_port->bfad;
 451         struct bfad_hal_comp fcomp;
 452         unsigned long flags;
 453         uint32_t status;
 454
 455         init_completion(&fcomp.comp);
 456         spin_lock_irqsave(&bfad->bfad_lock, flags);
 457         status = bfa_port_disable(&bfad->bfa.modules.port,
 458                                         bfad_hcb_comp, &fcomp);
 459         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 460
 461         if (status != BFA_STATUS_OK)
 462                 return -EIO;
 463
 464         wait_for_completion(&fcomp.comp);
 465         if (fcomp.status != BFA_STATUS_OK)
 466                 return -EIO;
 467
 468         spin_lock_irqsave(&bfad->bfad_lock, flags);
 469         status = bfa_port_enable(&bfad->bfa.modules.port,
 470                                         bfad_hcb_comp, &fcomp);
 471         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 472         if (status != BFA_STATUS_OK)
 473                 return -EIO;
 474
 475         wait_for_completion(&fcomp.comp);
 476         if (fcomp.status != BFA_STATUS_OK)
 477                 return -EIO;
 478
 479         return 0;
 480 }
 481
 482 static int
 483 bfad_im_vport_delete(struct fc_vport *fc_vport)
 484 {
 485         struct bfad_vport_s *vport = (struct bfad_vport_s *)fc_vport->dd_data;
 486         struct bfad_im_port_s *im_port =
 487                         (struct bfad_im_port_s *) vport->drv_port.im_port;
 488         struct bfad_s *bfad = im_port->bfad;
 489         struct bfad_port_s *port;
 490         struct bfa_fcs_vport_s *fcs_vport;
 491         struct Scsi_Host *vshost;
 492         wwn_t   pwwn;
 493         int rc;
 494         unsigned long flags;
 495         struct completion fcomp;
 496
 497         if (im_port->flags & BFAD_PORT_DELETE) {
 498                 bfad_scsi_host_free(bfad, im_port);
 499                 list_del(&vport->list_entry);
 500                 kfree(vport);
 501                 return 0;
 502         }
 503
 504         port = im_port->port;
 505
 506         vshost = vport->drv_port.im_port->shost;
 507         u64_to_wwn(fc_host_port_name(vshost), (u8 *)&pwwn);
 508
 509         spin_lock_irqsave(&bfad->bfad_lock, flags);
 510         fcs_vport = bfa_fcs_vport_lookup(&bfad->bfa_fcs, 0, pwwn);
 511         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 512
 513         if (fcs_vport == NULL)
 514                 return VPCERR_BAD_WWN;
 515
 516         vport->drv_port.flags |= BFAD_PORT_DELETE;
 517
 518         vport->comp_del = &fcomp;
 519         init_completion(vport->comp_del);
 520
 521         spin_lock_irqsave(&bfad->bfad_lock, flags);
 522         rc = bfa_fcs_vport_delete(&vport->fcs_vport);
 523         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 524
 525         if (rc == BFA_STATUS_PBC) {
 526                 vport->drv_port.flags &= ~BFAD_PORT_DELETE;
 527                 vport->comp_del = NULL;
 528                 return -1;
 529         }
 530
 531         wait_for_completion(vport->comp_del);
 532
 533         bfad_scsi_host_free(bfad, im_port);
 534         list_del(&vport->list_entry);
 535         kfree(vport);
 536
 537         return 0;
 538 }
 539
 540 static int
 541 bfad_im_vport_disable(struct fc_vport *fc_vport, bool disable)
 542 {
 543         struct bfad_vport_s *vport;
 544         struct bfad_s *bfad;
 545         struct bfa_fcs_vport_s *fcs_vport;
 546         struct Scsi_Host *vshost;
 547         wwn_t   pwwn;
 548         unsigned long flags;
 549
 550         vport = (struct bfad_vport_s *)fc_vport->dd_data;
 551         bfad = vport->drv_port.bfad;
 552         vshost = vport->drv_port.im_port->shost;
 553         u64_to_wwn(fc_host_port_name(vshost), (u8 *)&pwwn);
 554
 555         spin_lock_irqsave(&bfad->bfad_lock, flags);
 556         fcs_vport = bfa_fcs_vport_lookup(&bfad->bfa_fcs, 0, pwwn);
 557         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 558
 559         if (fcs_vport == NULL)
 560                 return VPCERR_BAD_WWN;
 561
 562         if (disable) {
 563                 bfa_fcs_vport_stop(fcs_vport);
 564                 fc_vport_set_state(fc_vport, FC_VPORT_DISABLED);
 565         } else {
 566                 bfa_fcs_vport_start(fcs_vport);
 567                 fc_vport_set_state(fc_vport, FC_VPORT_ACTIVE);
 568         }
 569
 570         return 0;
 571 }
 572
 573 void
 574 bfad_im_vport_set_symbolic_name(struct fc_vport *fc_vport)
 575 {
 576         struct bfad_vport_s *vport = (struct bfad_vport_s *)fc_vport->dd_data;
 577         struct bfad_im_port_s *im_port =
 578                         (struct bfad_im_port_s *)vport->drv_port.im_port;
 579         struct bfad_s *bfad = im_port->bfad;
 580         struct Scsi_Host *vshost = vport->drv_port.im_port->shost;
 581         char *sym_name = fc_vport->symbolic_name;
 582         struct bfa_fcs_vport_s *fcs_vport;
 583         wwn_t   pwwn;
 584         unsigned long flags;
 585
 586         u64_to_wwn(fc_host_port_name(vshost), (u8 *)&pwwn);
 587
 588         spin_lock_irqsave(&bfad->bfad_lock, flags);
 589         fcs_vport = bfa_fcs_vport_lookup(&bfad->bfa_fcs, 0, pwwn);
 590         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 591
 592         if (fcs_vport == NULL)
 593                 return;
 594
 595         spin_lock_irqsave(&bfad->bfad_lock, flags);
 596         if (strlen(sym_name) > 0)
 597                 bfa_fcs_lport_set_symname(&fcs_vport->lport, sym_name);
 598         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 599 }
 600
 601 struct fc_function_template bfad_im_fc_function_template = {
 602
 603         /* Target dynamic attributes */
 604         .get_starget_port_id = bfad_im_get_starget_port_id,
 605         .show_starget_port_id = 1,
 606         .get_starget_node_name = bfad_im_get_starget_node_name,
 607         .show_starget_node_name = 1,
 608         .get_starget_port_name = bfad_im_get_starget_port_name,
 609         .show_starget_port_name = 1,
 610
 611         /* Host dynamic attribute */
 612         .get_host_port_id = bfad_im_get_host_port_id,
 613         .show_host_port_id = 1,
 614
 615         /* Host fixed attributes */
 616         .show_host_node_name = 1,
 617         .show_host_port_name = 1,
 618         .show_host_supported_classes = 1,
 619         .show_host_supported_fc4s = 1,
 620         .show_host_supported_speeds = 1,
 621         .show_host_maxframe_size = 1,
 622
 623         /* More host dynamic attributes */
 624         .show_host_port_type = 1,
 625         .get_host_port_type = bfad_im_get_host_port_type,
 626         .show_host_port_state = 1,
 627         .get_host_port_state = bfad_im_get_host_port_state,
 628         .show_host_active_fc4s = 1,
 629         .get_host_active_fc4s = bfad_im_get_host_active_fc4s,
 630         .show_host_speed = 1,
 631         .get_host_speed = bfad_im_get_host_speed,
 632         .show_host_fabric_name = 1,
 633         .get_host_fabric_name = bfad_im_get_host_fabric_name,
 634
 635         .show_host_symbolic_name = 1,
 636
 637         /* Statistics */
 638         .get_fc_host_stats = bfad_im_get_stats,
 639         .reset_fc_host_stats = bfad_im_reset_stats,
 640
 641         /* Allocation length for host specific data */
 642         .dd_fcrport_size = sizeof(struct bfad_itnim_data_s *),
 643
 644         /* Remote port fixed attributes */
 645         .show_rport_maxframe_size = 1,
 646         .show_rport_supported_classes = 1,
 647         .show_rport_dev_loss_tmo = 1,
 648         .set_rport_dev_loss_tmo = bfad_im_set_rport_loss_tmo,
 649         .issue_fc_host_lip = bfad_im_issue_fc_host_lip,
 650         .vport_create = bfad_im_vport_create,
 651         .vport_delete = bfad_im_vport_delete,
 652         .vport_disable = bfad_im_vport_disable,
 653         .set_vport_symbolic_name = bfad_im_vport_set_symbolic_name,
 654         .bsg_request = bfad_im_bsg_request,
 655         .bsg_timeout = bfad_im_bsg_timeout,
 656 };
 657
 658 struct fc_function_template bfad_im_vport_fc_function_template = {
 659
 660         /* Target dynamic attributes */
 661         .get_starget_port_id = bfad_im_get_starget_port_id,
 662         .show_starget_port_id = 1,
 663         .get_starget_node_name = bfad_im_get_starget_node_name,
 664         .show_starget_node_name = 1,
 665         .get_starget_port_name = bfad_im_get_starget_port_name,
 666         .show_starget_port_name = 1,
 667
 668         /* Host dynamic attribute */
 669         .get_host_port_id = bfad_im_get_host_port_id,
 670         .show_host_port_id = 1,
 671
 672         /* Host fixed attributes */
 673         .show_host_node_name = 1,
 674         .show_host_port_name = 1,
 675         .show_host_supported_classes = 1,
 676         .show_host_supported_fc4s = 1,
 677         .show_host_supported_speeds = 1,
 678         .show_host_maxframe_size = 1,
 679
 680         /* More host dynamic attributes */
 681         .show_host_port_type = 1,
 682         .get_host_port_type = bfad_im_get_host_port_type,
 683         .show_host_port_state = 1,
 684         .get_host_port_state = bfad_im_get_host_port_state,
 685         .show_host_active_fc4s = 1,
 686         .get_host_active_fc4s = bfad_im_get_host_active_fc4s,
 687         .show_host_speed = 1,
 688         .get_host_speed = bfad_im_get_host_speed,
 689         .show_host_fabric_name = 1,
 690         .get_host_fabric_name = bfad_im_get_host_fabric_name,
 691
 692         .show_host_symbolic_name = 1,
 693
 694         /* Statistics */
 695         .get_fc_host_stats = bfad_im_get_stats,
 696         .reset_fc_host_stats = bfad_im_reset_stats,
 697
 698         /* Allocation length for host specific data */
 699         .dd_fcrport_size = sizeof(struct bfad_itnim_data_s *),
 700
 701         /* Remote port fixed attributes */
 702         .show_rport_maxframe_size = 1,
 703         .show_rport_supported_classes = 1,
 704         .show_rport_dev_loss_tmo = 1,
 705         .set_rport_dev_loss_tmo = bfad_im_set_rport_loss_tmo,
 706 };
 707
 708 /*
 709  *  Scsi_Host_attrs SCSI host attributes
 710  */
 711 static ssize_t
 712 bfad_im_serial_num_show(struct device *dev, struct device_attribute *attr,
 713                          char *buf)
 714 {
 715         struct Scsi_Host *shost = class_to_shost(dev);
 716         struct bfad_im_port_s *im_port =
 717                         (struct bfad_im_port_s *) shost->hostdata[0];
 718         struct bfad_s *bfad = im_port->bfad;
 719         char serial_num[BFA_ADAPTER_SERIAL_NUM_LEN];
 720
 721         bfa_get_adapter_serial_num(&bfad->bfa, serial_num);
 722         return snprintf(buf, PAGE_SIZE, "%s\n", serial_num);
 723 }
 724
 725 static ssize_t
 726 bfad_im_model_show(struct device *dev, struct device_attribute *attr,
 727                         char *buf)
 728 {
 729         struct Scsi_Host *shost = class_to_shost(dev);
 730         struct bfad_im_port_s *im_port =
 731                         (struct bfad_im_port_s *) shost->hostdata[0];
 732         struct bfad_s *bfad = im_port->bfad;
 733         char model[BFA_ADAPTER_MODEL_NAME_LEN];
 734
 735         bfa_get_adapter_model(&bfad->bfa, model);
 736         return snprintf(buf, PAGE_SIZE, "%s\n", model);
 737 }
 738
 739 static ssize_t
 740 bfad_im_model_desc_show(struct device *dev, struct device_attribute *attr,
 741                                  char *buf)
 742 {
 743         struct Scsi_Host *shost = class_to_shost(dev);
 744         struct bfad_im_port_s *im_port =
 745                         (struct bfad_im_port_s *) shost->hostdata[0];
 746         struct bfad_s *bfad = im_port->bfad;
 747         char model[BFA_ADAPTER_MODEL_NAME_LEN];
 748         char model_descr[BFA_ADAPTER_MODEL_DESCR_LEN];
 749         int nports = 0;
 750
 751         bfa_get_adapter_model(&bfad->bfa, model);
 752         nports = bfa_get_nports(&bfad->bfa);
 753         if (!strcmp(model, "Brocade-425"))
 754                 snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
 755                         "Brocade 4Gbps PCIe dual port FC HBA");
 756         else if (!strcmp(model, "Brocade-825"))
 757                 snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
 758                         "Brocade 8Gbps PCIe dual port FC HBA");
 759         else if (!strcmp(model, "Brocade-42B"))
 760                 snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
 761                         "Brocade 4Gbps PCIe dual port FC HBA for HP");
 762         else if (!strcmp(model, "Brocade-82B"))
 763                 snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
 764                         "Brocade 8Gbps PCIe dual port FC HBA for HP");
 765         else if (!strcmp(model, "Brocade-1010"))
 766                 snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
 767                         "Brocade 10Gbps single port CNA");
 768         else if (!strcmp(model, "Brocade-1020"))
 769                 snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
 770                         "Brocade 10Gbps dual port CNA");
 771         else if (!strcmp(model, "Brocade-1007"))
 772                 snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
 773                         "Brocade 10Gbps CNA for IBM Blade Center");
 774         else if (!strcmp(model, "Brocade-415"))
 775                 snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
 776                         "Brocade 4Gbps PCIe single port FC HBA");
 777         else if (!strcmp(model, "Brocade-815"))
 778                 snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
 779                         "Brocade 8Gbps PCIe single port FC HBA");
 780         else if (!strcmp(model, "Brocade-41B"))
 781                 snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
 782                         "Brocade 4Gbps PCIe single port FC HBA for HP");
 783         else if (!strcmp(model, "Brocade-81B"))
 784                 snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
 785                         "Brocade 8Gbps PCIe single port FC HBA for HP");
 786         else if (!strcmp(model, "Brocade-804"))
 787                 snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
 788                         "Brocade 8Gbps FC HBA for HP Bladesystem C-class");
 789         else if (!strcmp(model, "Brocade-1741"))
 790                 snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
 791                         "Brocade 10Gbps CNA for Dell M-Series Blade Servers");
 792         else if (strstr(model, "Brocade-1860")) {
 793                 if (nports == 1 && bfa_ioc_is_cna(&bfad->bfa.ioc))
 794                         snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
 795                                 "Brocade 10Gbps single port CNA");
 796                 else if (nports == 1 && !bfa_ioc_is_cna(&bfad->bfa.ioc))
 797                         snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
 798                                 "Brocade 16Gbps PCIe single port FC HBA");
 799                 else if (nports == 2 && bfa_ioc_is_cna(&bfad->bfa.ioc))
 800                         snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
 801                                 "Brocade 10Gbps dual port CNA");
 802                 else if (nports == 2 && !bfa_ioc_is_cna(&bfad->bfa.ioc))
 803                         snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
 804                                 "Brocade 16Gbps PCIe dual port FC HBA");
 805         } else if (!strcmp(model, "Brocade-1867")) {
 806                 if (nports == 1 && !bfa_ioc_is_cna(&bfad->bfa.ioc))
 807                         snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
 808                                 "Brocade 16Gbps PCIe single port FC HBA for IBM");
 809                 else if (nports == 2 && !bfa_ioc_is_cna(&bfad->bfa.ioc))
 810                         snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
 811                                 "Brocade 16Gbps PCIe dual port FC HBA for IBM");
 812         } else
 813                 snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
 814                         "Invalid Model");
 815
 816         return snprintf(buf, PAGE_SIZE, "%s\n", model_descr);
 817 }
 818
 819 static ssize_t
 820 bfad_im_node_name_show(struct device *dev, struct device_attribute *attr,
 821                                  char *buf)
 822 {
 823         struct Scsi_Host *shost = class_to_shost(dev);
 824         struct bfad_im_port_s *im_port =
 825                         (struct bfad_im_port_s *) shost->hostdata[0];
 826         struct bfad_port_s    *port = im_port->port;
 827         u64        nwwn;
 828
 829         nwwn = bfa_fcs_lport_get_nwwn(port->fcs_port);
 830         return snprintf(buf, PAGE_SIZE, "0x%llx\n", cpu_to_be64(nwwn));
 831 }
 832
 833 static ssize_t
 834 bfad_im_symbolic_name_show(struct device *dev, struct device_attribute *attr,
 835                                  char *buf)
 836 {
 837         struct Scsi_Host *shost = class_to_shost(dev);
 838         struct bfad_im_port_s *im_port =
 839                         (struct bfad_im_port_s *) shost->hostdata[0];
 840         struct bfad_s *bfad = im_port->bfad;
 841         struct bfa_lport_attr_s port_attr;
 842         char symname[BFA_SYMNAME_MAXLEN];
 843
 844         bfa_fcs_lport_get_attr(&bfad->bfa_fcs.fabric.bport, &port_attr);
 845         strncpy(symname, port_attr.port_cfg.sym_name.symname,
 846                         BFA_SYMNAME_MAXLEN);
 847         return snprintf(buf, PAGE_SIZE, "%s\n", symname);
 848 }
 849
 850 static ssize_t
 851 bfad_im_hw_version_show(struct device *dev, struct device_attribute *attr,
 852                                 char *buf)
 853 {
 854         struct Scsi_Host *shost = class_to_shost(dev);
 855         struct bfad_im_port_s *im_port =
 856                         (struct bfad_im_port_s *) shost->hostdata[0];
 857         struct bfad_s *bfad = im_port->bfad;
 858         char hw_ver[BFA_VERSION_LEN];
 859
 860         bfa_get_pci_chip_rev(&bfad->bfa, hw_ver);
 861         return snprintf(buf, PAGE_SIZE, "%s\n", hw_ver);
 862 }
 863
 864 static ssize_t
 865 bfad_im_drv_version_show(struct device *dev, struct device_attribute *attr,
 866                                 char *buf)
 867 {
 868         return snprintf(buf, PAGE_SIZE, "%s\n", BFAD_DRIVER_VERSION);
 869 }
 870
 871 static ssize_t
 872 bfad_im_optionrom_version_show(struct device *dev,
 873                          struct device_attribute *attr, char *buf)
 874 {
 875         struct Scsi_Host *shost = class_to_shost(dev);
 876         struct bfad_im_port_s *im_port =
 877                         (struct bfad_im_port_s *) shost->hostdata[0];
 878         struct bfad_s *bfad = im_port->bfad;
 879         char optrom_ver[BFA_VERSION_LEN];
 880
 881         bfa_get_adapter_optrom_ver(&bfad->bfa, optrom_ver);
 882         return snprintf(buf, PAGE_SIZE, "%s\n", optrom_ver);
 883 }
 884
 885 static ssize_t
 886 bfad_im_fw_version_show(struct device *dev, struct device_attribute *attr,
 887                                  char *buf)
 888 {
 889         struct Scsi_Host *shost = class_to_shost(dev);
 890         struct bfad_im_port_s *im_port =
 891                         (struct bfad_im_port_s *) shost->hostdata[0];
 892         struct bfad_s *bfad = im_port->bfad;
 893         char fw_ver[BFA_VERSION_LEN];
 894
 895         bfa_get_adapter_fw_ver(&bfad->bfa, fw_ver);
 896         return snprintf(buf, PAGE_SIZE, "%s\n", fw_ver);
 897 }
 898
 899 static ssize_t
 900 bfad_im_num_of_ports_show(struct device *dev, struct device_attribute *attr,
 901                                 char *buf)
 902 {
 903         struct Scsi_Host *shost = class_to_shost(dev);
 904         struct bfad_im_port_s *im_port =
 905                         (struct bfad_im_port_s *) shost->hostdata[0];
 906         struct bfad_s *bfad = im_port->bfad;
 907
 908         return snprintf(buf, PAGE_SIZE, "%d\n",
 909                         bfa_get_nports(&bfad->bfa));
 910 }
 911
 912 static ssize_t
 913 bfad_im_drv_name_show(struct device *dev, struct device_attribute *attr,
 914                                 char *buf)
 915 {
 916         return snprintf(buf, PAGE_SIZE, "%s\n", BFAD_DRIVER_NAME);
 917 }
 918
 919 static ssize_t
 920 bfad_im_num_of_discovered_ports_show(struct device *dev,
 921                         struct device_attribute *attr, char *buf)
 922 {
 923         struct Scsi_Host *shost = class_to_shost(dev);
 924         struct bfad_im_port_s *im_port =
 925                         (struct bfad_im_port_s *) shost->hostdata[0];
 926         struct bfad_port_s    *port = im_port->port;
 927         struct bfad_s         *bfad = im_port->bfad;
 928         int        nrports = 2048;
 929         struct bfa_rport_qualifier_s *rports = NULL;
 930         unsigned long   flags;
 931
 932         rports = kzalloc(sizeof(struct bfa_rport_qualifier_s) * nrports,
 933                          GFP_ATOMIC);
 934         if (rports == NULL)
 935                 return snprintf(buf, PAGE_SIZE, "Failed\n");
 936
 937         spin_lock_irqsave(&bfad->bfad_lock, flags);
 938         bfa_fcs_lport_get_rport_quals(port->fcs_port, rports, &nrports);
 939         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 940         kfree(rports);
 941
 942         return snprintf(buf, PAGE_SIZE, "%d\n", nrports);
 943 }
 944
 945 static          DEVICE_ATTR(serial_number, S_IRUGO,
 946                                 bfad_im_serial_num_show, NULL);
 947 static          DEVICE_ATTR(model, S_IRUGO, bfad_im_model_show, NULL);
 948 static          DEVICE_ATTR(model_description, S_IRUGO,
 949                                 bfad_im_model_desc_show, NULL);
 950 static          DEVICE_ATTR(node_name, S_IRUGO, bfad_im_node_name_show, NULL);
 951 static          DEVICE_ATTR(symbolic_name, S_IRUGO,
 952                                 bfad_im_symbolic_name_show, NULL);
 953 static          DEVICE_ATTR(hardware_version, S_IRUGO,
 954                                 bfad_im_hw_version_show, NULL);
 955 static          DEVICE_ATTR(driver_version, S_IRUGO,
 956                                 bfad_im_drv_version_show, NULL);
 957 static          DEVICE_ATTR(option_rom_version, S_IRUGO,
 958                                 bfad_im_optionrom_version_show, NULL);
 959 static          DEVICE_ATTR(firmware_version, S_IRUGO,
 960                                 bfad_im_fw_version_show, NULL);
 961 static          DEVICE_ATTR(number_of_ports, S_IRUGO,
 962                                 bfad_im_num_of_ports_show, NULL);
 963 static          DEVICE_ATTR(driver_name, S_IRUGO, bfad_im_drv_name_show, NULL);
 964 static          DEVICE_ATTR(number_of_discovered_ports, S_IRUGO,
 965                                 bfad_im_num_of_discovered_ports_show, NULL);
 966
 967 struct device_attribute *bfad_im_host_attrs[] = {
 968         &dev_attr_serial_number,
 969         &dev_attr_model,
 970         &dev_attr_model_description,
 971         &dev_attr_node_name,
 972         &dev_attr_symbolic_name,
 973         &dev_attr_hardware_version,
 974         &dev_attr_driver_version,
 975         &dev_attr_option_rom_version,
 976         &dev_attr_firmware_version,
 977         &dev_attr_number_of_ports,
 978         &dev_attr_driver_name,
 979         &dev_attr_number_of_discovered_ports,
 980         NULL,
 981 };
 982
 983 struct device_attribute *bfad_im_vport_attrs[] = {
 984         &dev_attr_serial_number,
 985         &dev_attr_model,
 986         &dev_attr_model_description,
 987         &dev_attr_node_name,
 988         &dev_attr_symbolic_name,
 989         &dev_attr_hardware_version,
 990         &dev_attr_driver_version,
 991         &dev_attr_option_rom_version,
 992         &dev_attr_firmware_version,
 993         &dev_attr_number_of_ports,
 994         &dev_attr_driver_name,
 995         &dev_attr_number_of_discovered_ports,
 996         NULL,
 997 };
 998
 999