[SCSI] bfa: Fix crash when symb name set for offline vport
[linux-drm-fsl-dcu.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_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