[SCSI] bfa: fix regular sparse check warnings.
[pandora-kernel.git] / 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_os_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_os_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_os_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_os_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_8GBPS:
222                 fc_host_speed(shost) = FC_PORTSPEED_8GBIT;
223                 break;
224         case BFA_PORT_SPEED_4GBPS:
225                 fc_host_speed(shost) = FC_PORTSPEED_4GBIT;
226                 break;
227         case BFA_PORT_SPEED_2GBPS:
228                 fc_host_speed(shost) = FC_PORTSPEED_2GBIT;
229                 break;
230         case BFA_PORT_SPEED_1GBPS:
231                 fc_host_speed(shost) = FC_PORTSPEED_1GBIT;
232                 break;
233         default:
234                 fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN;
235                 break;
236         }
237 }
238
239 /*
240  * FC transport template entry, get SCSI host port type.
241  */
242 static void
243 bfad_im_get_host_fabric_name(struct Scsi_Host *shost)
244 {
245         struct bfad_im_port_s *im_port =
246                         (struct bfad_im_port_s *) shost->hostdata[0];
247         struct bfad_port_s    *port = im_port->port;
248         wwn_t           fabric_nwwn = 0;
249
250         fabric_nwwn = bfa_fcs_lport_get_fabric_name(port->fcs_port);
251
252         fc_host_fabric_name(shost) = cpu_to_be64(fabric_nwwn);
253
254 }
255
256 /*
257  * FC transport template entry, get BFAD statistics.
258  */
259 static struct fc_host_statistics *
260 bfad_im_get_stats(struct Scsi_Host *shost)
261 {
262         struct bfad_im_port_s *im_port =
263                         (struct bfad_im_port_s *) shost->hostdata[0];
264         struct bfad_s         *bfad = im_port->bfad;
265         struct bfad_hal_comp fcomp;
266         union bfa_port_stats_u *fcstats;
267         struct fc_host_statistics *hstats;
268         bfa_status_t    rc;
269         unsigned long   flags;
270
271         fcstats = kzalloc(sizeof(union bfa_port_stats_u), GFP_KERNEL);
272         if (fcstats == NULL)
273                 return NULL;
274
275         hstats = &bfad->link_stats;
276         init_completion(&fcomp.comp);
277         spin_lock_irqsave(&bfad->bfad_lock, flags);
278         memset(hstats, 0, sizeof(struct fc_host_statistics));
279         rc = bfa_port_get_stats(BFA_FCPORT(&bfad->bfa),
280                                 fcstats, bfad_hcb_comp, &fcomp);
281         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
282         if (rc != BFA_STATUS_OK)
283                 return NULL;
284
285         wait_for_completion(&fcomp.comp);
286
287         /* Fill the fc_host_statistics structure */
288         hstats->seconds_since_last_reset = fcstats->fc.secs_reset;
289         hstats->tx_frames = fcstats->fc.tx_frames;
290         hstats->tx_words  = fcstats->fc.tx_words;
291         hstats->rx_frames = fcstats->fc.rx_frames;
292         hstats->rx_words  = fcstats->fc.rx_words;
293         hstats->lip_count = fcstats->fc.lip_count;
294         hstats->nos_count = fcstats->fc.nos_count;
295         hstats->error_frames = fcstats->fc.error_frames;
296         hstats->dumped_frames = fcstats->fc.dropped_frames;
297         hstats->link_failure_count = fcstats->fc.link_failures;
298         hstats->loss_of_sync_count = fcstats->fc.loss_of_syncs;
299         hstats->loss_of_signal_count = fcstats->fc.loss_of_signals;
300         hstats->prim_seq_protocol_err_count = fcstats->fc.primseq_errs;
301         hstats->invalid_crc_count = fcstats->fc.invalid_crcs;
302
303         kfree(fcstats);
304         return hstats;
305 }
306
307 /*
308  * FC transport template entry, reset BFAD statistics.
309  */
310 static void
311 bfad_im_reset_stats(struct Scsi_Host *shost)
312 {
313         struct bfad_im_port_s *im_port =
314                         (struct bfad_im_port_s *) shost->hostdata[0];
315         struct bfad_s         *bfad = im_port->bfad;
316         struct bfad_hal_comp fcomp;
317         unsigned long   flags;
318         bfa_status_t    rc;
319
320         init_completion(&fcomp.comp);
321         spin_lock_irqsave(&bfad->bfad_lock, flags);
322         rc = bfa_port_clear_stats(BFA_FCPORT(&bfad->bfa), bfad_hcb_comp,
323                                         &fcomp);
324         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
325
326         if (rc != BFA_STATUS_OK)
327                 return;
328
329         wait_for_completion(&fcomp.comp);
330
331         return;
332 }
333
334 /*
335  * FC transport template entry, get rport loss timeout.
336  */
337 static void
338 bfad_im_get_rport_loss_tmo(struct fc_rport *rport)
339 {
340         struct bfad_itnim_data_s *itnim_data = rport->dd_data;
341         struct bfad_itnim_s   *itnim = itnim_data->itnim;
342         struct bfad_s         *bfad = itnim->im->bfad;
343         unsigned long   flags;
344
345         spin_lock_irqsave(&bfad->bfad_lock, flags);
346         rport->dev_loss_tmo = bfa_fcpim_path_tov_get(&bfad->bfa);
347         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
348 }
349
350 /*
351  * FC transport template entry, set rport loss timeout.
352  */
353 static void
354 bfad_im_set_rport_loss_tmo(struct fc_rport *rport, u32 timeout)
355 {
356         struct bfad_itnim_data_s *itnim_data = rport->dd_data;
357         struct bfad_itnim_s   *itnim = itnim_data->itnim;
358         struct bfad_s         *bfad = itnim->im->bfad;
359         unsigned long   flags;
360
361         if (timeout > 0) {
362                 spin_lock_irqsave(&bfad->bfad_lock, flags);
363                 bfa_fcpim_path_tov_set(&bfad->bfa, timeout);
364                 rport->dev_loss_tmo = bfa_fcpim_path_tov_get(&bfad->bfa);
365                 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
366         }
367
368 }
369
370 static int
371 bfad_im_vport_create(struct fc_vport *fc_vport, bool disable)
372 {
373         char *vname = fc_vport->symbolic_name;
374         struct Scsi_Host *shost = fc_vport->shost;
375         struct bfad_im_port_s *im_port =
376                 (struct bfad_im_port_s *) shost->hostdata[0];
377         struct bfad_s *bfad = im_port->bfad;
378         struct bfa_lport_cfg_s port_cfg;
379         struct bfad_vport_s *vp;
380         int status = 0, rc;
381         unsigned long flags;
382
383         memset(&port_cfg, 0, sizeof(port_cfg));
384         u64_to_wwn(fc_vport->node_name, (u8 *)&port_cfg.nwwn);
385         u64_to_wwn(fc_vport->port_name, (u8 *)&port_cfg.pwwn);
386         if (strlen(vname) > 0)
387                 strcpy((char *)&port_cfg.sym_name, vname);
388         port_cfg.roles = BFA_LPORT_ROLE_FCP_IM;
389
390         spin_lock_irqsave(&bfad->bfad_lock, flags);
391         list_for_each_entry(vp, &bfad->pbc_vport_list, list_entry) {
392                 if (port_cfg.pwwn ==
393                                 vp->fcs_vport.lport.port_cfg.pwwn) {
394                         port_cfg.preboot_vp =
395                                 vp->fcs_vport.lport.port_cfg.preboot_vp;
396                         break;
397                 }
398         }
399         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
400
401         rc = bfad_vport_create(bfad, 0, &port_cfg, &fc_vport->dev);
402         if (rc == BFA_STATUS_OK) {
403                 struct bfad_vport_s *vport;
404                 struct bfa_fcs_vport_s *fcs_vport;
405                 struct Scsi_Host *vshost;
406
407                 spin_lock_irqsave(&bfad->bfad_lock, flags);
408                 fcs_vport = bfa_fcs_vport_lookup(&bfad->bfa_fcs, 0,
409                                         port_cfg.pwwn);
410                 spin_unlock_irqrestore(&bfad->bfad_lock, flags);
411                 if (fcs_vport == NULL)
412                         return VPCERR_BAD_WWN;
413
414                 fc_vport_set_state(fc_vport, FC_VPORT_ACTIVE);
415                 if (disable) {
416                         spin_lock_irqsave(&bfad->bfad_lock, flags);
417                         bfa_fcs_vport_stop(fcs_vport);
418                         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
419                         fc_vport_set_state(fc_vport, FC_VPORT_DISABLED);
420                 }
421
422                 vport = fcs_vport->vport_drv;
423                 vshost = vport->drv_port.im_port->shost;
424                 fc_host_node_name(vshost) = wwn_to_u64((u8 *)&port_cfg.nwwn);
425                 fc_host_port_name(vshost) = wwn_to_u64((u8 *)&port_cfg.pwwn);
426                 fc_vport->dd_data = vport;
427                 vport->drv_port.im_port->fc_vport = fc_vport;
428         } else if (rc == BFA_STATUS_INVALID_WWN)
429                 return VPCERR_BAD_WWN;
430         else if (rc == BFA_STATUS_VPORT_EXISTS)
431                 return VPCERR_BAD_WWN;
432         else if (rc == BFA_STATUS_VPORT_MAX)
433                 return VPCERR_NO_FABRIC_SUPP;
434         else if (rc == BFA_STATUS_VPORT_WWN_BP)
435                 return VPCERR_BAD_WWN;
436         else
437                 return FC_VPORT_FAILED;
438
439         return status;
440 }
441
442 static int
443 bfad_im_vport_delete(struct fc_vport *fc_vport)
444 {
445         struct bfad_vport_s *vport = (struct bfad_vport_s *)fc_vport->dd_data;
446         struct bfad_im_port_s *im_port =
447                         (struct bfad_im_port_s *) vport->drv_port.im_port;
448         struct bfad_s *bfad = im_port->bfad;
449         struct bfad_port_s *port;
450         struct bfa_fcs_vport_s *fcs_vport;
451         struct Scsi_Host *vshost;
452         wwn_t   pwwn;
453         int rc;
454         unsigned long flags;
455         struct completion fcomp;
456
457         if (im_port->flags & BFAD_PORT_DELETE)
458                 goto free_scsi_host;
459
460         port = im_port->port;
461
462         vshost = vport->drv_port.im_port->shost;
463         u64_to_wwn(fc_host_port_name(vshost), (u8 *)&pwwn);
464
465         spin_lock_irqsave(&bfad->bfad_lock, flags);
466         fcs_vport = bfa_fcs_vport_lookup(&bfad->bfa_fcs, 0, pwwn);
467         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
468
469         if (fcs_vport == NULL)
470                 return VPCERR_BAD_WWN;
471
472         vport->drv_port.flags |= BFAD_PORT_DELETE;
473
474         vport->comp_del = &fcomp;
475         init_completion(vport->comp_del);
476
477         spin_lock_irqsave(&bfad->bfad_lock, flags);
478         rc = bfa_fcs_vport_delete(&vport->fcs_vport);
479         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
480
481         if (rc == BFA_STATUS_PBC) {
482                 vport->drv_port.flags &= ~BFAD_PORT_DELETE;
483                 vport->comp_del = NULL;
484                 return -1;
485         }
486
487         wait_for_completion(vport->comp_del);
488
489 free_scsi_host:
490         bfad_os_scsi_host_free(bfad, im_port);
491
492         kfree(vport);
493
494         return 0;
495 }
496
497 static int
498 bfad_im_vport_disable(struct fc_vport *fc_vport, bool disable)
499 {
500         struct bfad_vport_s *vport;
501         struct bfad_s *bfad;
502         struct bfa_fcs_vport_s *fcs_vport;
503         struct Scsi_Host *vshost;
504         wwn_t   pwwn;
505         unsigned long flags;
506
507         vport = (struct bfad_vport_s *)fc_vport->dd_data;
508         bfad = vport->drv_port.bfad;
509         vshost = vport->drv_port.im_port->shost;
510         u64_to_wwn(fc_host_port_name(vshost), (u8 *)&pwwn);
511
512         spin_lock_irqsave(&bfad->bfad_lock, flags);
513         fcs_vport = bfa_fcs_vport_lookup(&bfad->bfa_fcs, 0, pwwn);
514         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
515
516         if (fcs_vport == NULL)
517                 return VPCERR_BAD_WWN;
518
519         if (disable) {
520                 bfa_fcs_vport_stop(fcs_vport);
521                 fc_vport_set_state(fc_vport, FC_VPORT_DISABLED);
522         } else {
523                 bfa_fcs_vport_start(fcs_vport);
524                 fc_vport_set_state(fc_vport, FC_VPORT_ACTIVE);
525         }
526
527         return 0;
528 }
529
530 struct fc_function_template bfad_im_fc_function_template = {
531
532         /* Target dynamic attributes */
533         .get_starget_port_id = bfad_im_get_starget_port_id,
534         .show_starget_port_id = 1,
535         .get_starget_node_name = bfad_im_get_starget_node_name,
536         .show_starget_node_name = 1,
537         .get_starget_port_name = bfad_im_get_starget_port_name,
538         .show_starget_port_name = 1,
539
540         /* Host dynamic attribute */
541         .get_host_port_id = bfad_im_get_host_port_id,
542         .show_host_port_id = 1,
543
544         /* Host fixed attributes */
545         .show_host_node_name = 1,
546         .show_host_port_name = 1,
547         .show_host_supported_classes = 1,
548         .show_host_supported_fc4s = 1,
549         .show_host_supported_speeds = 1,
550         .show_host_maxframe_size = 1,
551
552         /* More host dynamic attributes */
553         .show_host_port_type = 1,
554         .get_host_port_type = bfad_im_get_host_port_type,
555         .show_host_port_state = 1,
556         .get_host_port_state = bfad_im_get_host_port_state,
557         .show_host_active_fc4s = 1,
558         .get_host_active_fc4s = bfad_im_get_host_active_fc4s,
559         .show_host_speed = 1,
560         .get_host_speed = bfad_im_get_host_speed,
561         .show_host_fabric_name = 1,
562         .get_host_fabric_name = bfad_im_get_host_fabric_name,
563
564         .show_host_symbolic_name = 1,
565
566         /* Statistics */
567         .get_fc_host_stats = bfad_im_get_stats,
568         .reset_fc_host_stats = bfad_im_reset_stats,
569
570         /* Allocation length for host specific data */
571         .dd_fcrport_size = sizeof(struct bfad_itnim_data_s *),
572
573         /* Remote port fixed attributes */
574         .show_rport_maxframe_size = 1,
575         .show_rport_supported_classes = 1,
576         .show_rport_dev_loss_tmo = 1,
577         .get_rport_dev_loss_tmo = bfad_im_get_rport_loss_tmo,
578         .set_rport_dev_loss_tmo = bfad_im_set_rport_loss_tmo,
579
580         .vport_create = bfad_im_vport_create,
581         .vport_delete = bfad_im_vport_delete,
582         .vport_disable = bfad_im_vport_disable,
583 };
584
585 struct fc_function_template bfad_im_vport_fc_function_template = {
586
587         /* Target dynamic attributes */
588         .get_starget_port_id = bfad_im_get_starget_port_id,
589         .show_starget_port_id = 1,
590         .get_starget_node_name = bfad_im_get_starget_node_name,
591         .show_starget_node_name = 1,
592         .get_starget_port_name = bfad_im_get_starget_port_name,
593         .show_starget_port_name = 1,
594
595         /* Host dynamic attribute */
596         .get_host_port_id = bfad_im_get_host_port_id,
597         .show_host_port_id = 1,
598
599         /* Host fixed attributes */
600         .show_host_node_name = 1,
601         .show_host_port_name = 1,
602         .show_host_supported_classes = 1,
603         .show_host_supported_fc4s = 1,
604         .show_host_supported_speeds = 1,
605         .show_host_maxframe_size = 1,
606
607         /* More host dynamic attributes */
608         .show_host_port_type = 1,
609         .get_host_port_type = bfad_im_get_host_port_type,
610         .show_host_port_state = 1,
611         .get_host_port_state = bfad_im_get_host_port_state,
612         .show_host_active_fc4s = 1,
613         .get_host_active_fc4s = bfad_im_get_host_active_fc4s,
614         .show_host_speed = 1,
615         .get_host_speed = bfad_im_get_host_speed,
616         .show_host_fabric_name = 1,
617         .get_host_fabric_name = bfad_im_get_host_fabric_name,
618
619         .show_host_symbolic_name = 1,
620
621         /* Statistics */
622         .get_fc_host_stats = bfad_im_get_stats,
623         .reset_fc_host_stats = bfad_im_reset_stats,
624
625         /* Allocation length for host specific data */
626         .dd_fcrport_size = sizeof(struct bfad_itnim_data_s *),
627
628         /* Remote port fixed attributes */
629         .show_rport_maxframe_size = 1,
630         .show_rport_supported_classes = 1,
631         .show_rport_dev_loss_tmo = 1,
632         .get_rport_dev_loss_tmo = bfad_im_get_rport_loss_tmo,
633         .set_rport_dev_loss_tmo = bfad_im_set_rport_loss_tmo,
634 };
635
636 /*
637  *  Scsi_Host_attrs SCSI host attributes
638  */
639 static ssize_t
640 bfad_im_serial_num_show(struct device *dev, struct device_attribute *attr,
641                          char *buf)
642 {
643         struct Scsi_Host *shost = class_to_shost(dev);
644         struct bfad_im_port_s *im_port =
645                         (struct bfad_im_port_s *) shost->hostdata[0];
646         struct bfad_s *bfad = im_port->bfad;
647         char serial_num[BFA_ADAPTER_SERIAL_NUM_LEN];
648
649         bfa_get_adapter_serial_num(&bfad->bfa, serial_num);
650         return snprintf(buf, PAGE_SIZE, "%s\n", serial_num);
651 }
652
653 static ssize_t
654 bfad_im_model_show(struct device *dev, struct device_attribute *attr,
655                         char *buf)
656 {
657         struct Scsi_Host *shost = class_to_shost(dev);
658         struct bfad_im_port_s *im_port =
659                         (struct bfad_im_port_s *) shost->hostdata[0];
660         struct bfad_s *bfad = im_port->bfad;
661         char model[BFA_ADAPTER_MODEL_NAME_LEN];
662
663         bfa_get_adapter_model(&bfad->bfa, model);
664         return snprintf(buf, PAGE_SIZE, "%s\n", model);
665 }
666
667 static ssize_t
668 bfad_im_model_desc_show(struct device *dev, struct device_attribute *attr,
669                                  char *buf)
670 {
671         struct Scsi_Host *shost = class_to_shost(dev);
672         struct bfad_im_port_s *im_port =
673                         (struct bfad_im_port_s *) shost->hostdata[0];
674         struct bfad_s *bfad = im_port->bfad;
675         char model[BFA_ADAPTER_MODEL_NAME_LEN];
676         char model_descr[BFA_ADAPTER_MODEL_DESCR_LEN];
677
678         bfa_get_adapter_model(&bfad->bfa, model);
679         if (!strcmp(model, "Brocade-425"))
680                 snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
681                         "Brocade 4Gbps PCIe dual port FC HBA");
682         else if (!strcmp(model, "Brocade-825"))
683                 snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
684                         "Brocade 8Gbps PCIe dual port FC HBA");
685         else if (!strcmp(model, "Brocade-42B"))
686                 snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
687                         "HP 4Gbps PCIe dual port FC HBA");
688         else if (!strcmp(model, "Brocade-82B"))
689                 snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
690                         "HP 8Gbps PCIe dual port FC HBA");
691         else if (!strcmp(model, "Brocade-1010"))
692                 snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
693                         "Brocade 10Gbps single port CNA");
694         else if (!strcmp(model, "Brocade-1020"))
695                 snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
696                         "Brocade 10Gbps dual port CNA");
697         else if (!strcmp(model, "Brocade-1007"))
698                 snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
699                         "Brocade 10Gbps CNA");
700         else if (!strcmp(model, "Brocade-415"))
701                 snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
702                         "Brocade 4Gbps PCIe single port FC HBA");
703         else if (!strcmp(model, "Brocade-815"))
704                 snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
705                         "Brocade 8Gbps PCIe single port FC HBA");
706         else if (!strcmp(model, "Brocade-41B"))
707                 snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
708                         "HP 4Gbps PCIe single port FC HBA");
709         else if (!strcmp(model, "Brocade-81B"))
710                 snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
711                         "HP 8Gbps PCIe single port FC HBA");
712         else if (!strcmp(model, "Brocade-804"))
713                 snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
714                         "HP Bladesystem C-class 8Gbps FC HBA");
715         else if (!strcmp(model, "Brocade-902"))
716                 snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
717                         "Brocade 10Gbps CNA");
718         else
719                 snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
720                         "Invalid Model");
721
722         return snprintf(buf, PAGE_SIZE, "%s\n", model_descr);
723 }
724
725 static ssize_t
726 bfad_im_node_name_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_port_s    *port = im_port->port;
733         u64        nwwn;
734
735         nwwn = bfa_fcs_lport_get_nwwn(port->fcs_port);
736         return snprintf(buf, PAGE_SIZE, "0x%llx\n", cpu_to_be64(nwwn));
737 }
738
739 static ssize_t
740 bfad_im_symbolic_name_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         struct bfa_lport_attr_s port_attr;
748         char symname[BFA_SYMNAME_MAXLEN];
749
750         bfa_fcs_lport_get_attr(&bfad->bfa_fcs.fabric.bport, &port_attr);
751         strncpy(symname, port_attr.port_cfg.sym_name.symname,
752                         BFA_SYMNAME_MAXLEN);
753         return snprintf(buf, PAGE_SIZE, "%s\n", symname);
754 }
755
756 static ssize_t
757 bfad_im_hw_version_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         char hw_ver[BFA_VERSION_LEN];
765
766         bfa_get_pci_chip_rev(&bfad->bfa, hw_ver);
767         return snprintf(buf, PAGE_SIZE, "%s\n", hw_ver);
768 }
769
770 static ssize_t
771 bfad_im_drv_version_show(struct device *dev, struct device_attribute *attr,
772                                 char *buf)
773 {
774         return snprintf(buf, PAGE_SIZE, "%s\n", BFAD_DRIVER_VERSION);
775 }
776
777 static ssize_t
778 bfad_im_optionrom_version_show(struct device *dev,
779                          struct device_attribute *attr, char *buf)
780 {
781         struct Scsi_Host *shost = class_to_shost(dev);
782         struct bfad_im_port_s *im_port =
783                         (struct bfad_im_port_s *) shost->hostdata[0];
784         struct bfad_s *bfad = im_port->bfad;
785         char optrom_ver[BFA_VERSION_LEN];
786
787         bfa_get_adapter_optrom_ver(&bfad->bfa, optrom_ver);
788         return snprintf(buf, PAGE_SIZE, "%s\n", optrom_ver);
789 }
790
791 static ssize_t
792 bfad_im_fw_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 fw_ver[BFA_VERSION_LEN];
800
801         bfa_get_adapter_fw_ver(&bfad->bfa, fw_ver);
802         return snprintf(buf, PAGE_SIZE, "%s\n", fw_ver);
803 }
804
805 static ssize_t
806 bfad_im_num_of_ports_show(struct device *dev, struct device_attribute *attr,
807                                 char *buf)
808 {
809         struct Scsi_Host *shost = class_to_shost(dev);
810         struct bfad_im_port_s *im_port =
811                         (struct bfad_im_port_s *) shost->hostdata[0];
812         struct bfad_s *bfad = im_port->bfad;
813
814         return snprintf(buf, PAGE_SIZE, "%d\n",
815                         bfa_get_nports(&bfad->bfa));
816 }
817
818 static ssize_t
819 bfad_im_drv_name_show(struct device *dev, struct device_attribute *attr,
820                                 char *buf)
821 {
822         return snprintf(buf, PAGE_SIZE, "%s\n", BFAD_DRIVER_NAME);
823 }
824
825 static ssize_t
826 bfad_im_num_of_discovered_ports_show(struct device *dev,
827                         struct device_attribute *attr, char *buf)
828 {
829         struct Scsi_Host *shost = class_to_shost(dev);
830         struct bfad_im_port_s *im_port =
831                         (struct bfad_im_port_s *) shost->hostdata[0];
832         struct bfad_port_s    *port = im_port->port;
833         struct bfad_s         *bfad = im_port->bfad;
834         int        nrports = 2048;
835         wwn_t          *rports = NULL;
836         unsigned long   flags;
837
838         rports = kzalloc(sizeof(wwn_t) * nrports , GFP_ATOMIC);
839         if (rports == NULL)
840                 return snprintf(buf, PAGE_SIZE, "Failed\n");
841
842         spin_lock_irqsave(&bfad->bfad_lock, flags);
843         bfa_fcs_lport_get_rports(port->fcs_port, rports, &nrports);
844         spin_unlock_irqrestore(&bfad->bfad_lock, flags);
845         kfree(rports);
846
847         return snprintf(buf, PAGE_SIZE, "%d\n", nrports);
848 }
849
850 static          DEVICE_ATTR(serial_number, S_IRUGO,
851                                 bfad_im_serial_num_show, NULL);
852 static          DEVICE_ATTR(model, S_IRUGO, bfad_im_model_show, NULL);
853 static          DEVICE_ATTR(model_description, S_IRUGO,
854                                 bfad_im_model_desc_show, NULL);
855 static          DEVICE_ATTR(node_name, S_IRUGO, bfad_im_node_name_show, NULL);
856 static          DEVICE_ATTR(symbolic_name, S_IRUGO,
857                                 bfad_im_symbolic_name_show, NULL);
858 static          DEVICE_ATTR(hardware_version, S_IRUGO,
859                                 bfad_im_hw_version_show, NULL);
860 static          DEVICE_ATTR(driver_version, S_IRUGO,
861                                 bfad_im_drv_version_show, NULL);
862 static          DEVICE_ATTR(option_rom_version, S_IRUGO,
863                                 bfad_im_optionrom_version_show, NULL);
864 static          DEVICE_ATTR(firmware_version, S_IRUGO,
865                                 bfad_im_fw_version_show, NULL);
866 static          DEVICE_ATTR(number_of_ports, S_IRUGO,
867                                 bfad_im_num_of_ports_show, NULL);
868 static          DEVICE_ATTR(driver_name, S_IRUGO, bfad_im_drv_name_show, NULL);
869 static          DEVICE_ATTR(number_of_discovered_ports, S_IRUGO,
870                                 bfad_im_num_of_discovered_ports_show, NULL);
871
872 struct device_attribute *bfad_im_host_attrs[] = {
873         &dev_attr_serial_number,
874         &dev_attr_model,
875         &dev_attr_model_description,
876         &dev_attr_node_name,
877         &dev_attr_symbolic_name,
878         &dev_attr_hardware_version,
879         &dev_attr_driver_version,
880         &dev_attr_option_rom_version,
881         &dev_attr_firmware_version,
882         &dev_attr_number_of_ports,
883         &dev_attr_driver_name,
884         &dev_attr_number_of_discovered_ports,
885         NULL,
886 };
887
888 struct device_attribute *bfad_im_vport_attrs[] = {
889         &dev_attr_serial_number,
890         &dev_attr_model,
891         &dev_attr_model_description,
892         &dev_attr_node_name,
893         &dev_attr_symbolic_name,
894         &dev_attr_hardware_version,
895         &dev_attr_driver_version,
896         &dev_attr_option_rom_version,
897         &dev_attr_firmware_version,
898         &dev_attr_number_of_ports,
899         &dev_attr_driver_name,
900         &dev_attr_number_of_discovered_ports,
901         NULL,
902 };
903
904