xref: /linux/drivers/scsi/bfa/bfad_attr.c (revision cc04a46f11ea046ed53e2c832ae29e4790f7e35f)
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 
1000