xref: /openbmc/linux/drivers/scsi/bfa/bfad_attr.c (revision ab87cc97)
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
4  * Copyright (c) 2014- QLogic Corporation.
5  * All rights reserved
6  * www.qlogic.com
7  *
8  * Linux driver for QLogic BR-series Fibre Channel Host Bus Adapter.
9  */
10 
11 /*
12  *  bfa_attr.c Linux driver configuration interface module.
13  */
14 
15 #include "bfad_drv.h"
16 #include "bfad_im.h"
17 
18 /*
19  * FC transport template entry, get SCSI target port ID.
20  */
21 static void
22 bfad_im_get_starget_port_id(struct scsi_target *starget)
23 {
24 	struct Scsi_Host *shost;
25 	struct bfad_im_port_s *im_port;
26 	struct bfad_s         *bfad;
27 	struct bfad_itnim_s   *itnim = NULL;
28 	u32        fc_id = -1;
29 	unsigned long   flags;
30 
31 	shost = dev_to_shost(starget->dev.parent);
32 	im_port = (struct bfad_im_port_s *) shost->hostdata[0];
33 	bfad = im_port->bfad;
34 	spin_lock_irqsave(&bfad->bfad_lock, flags);
35 
36 	itnim = bfad_get_itnim(im_port, starget->id);
37 	if (itnim)
38 		fc_id = bfa_fcs_itnim_get_fcid(&itnim->fcs_itnim);
39 
40 	fc_starget_port_id(starget) = fc_id;
41 	spin_unlock_irqrestore(&bfad->bfad_lock, flags);
42 }
43 
44 /*
45  * FC transport template entry, get SCSI target nwwn.
46  */
47 static void
48 bfad_im_get_starget_node_name(struct scsi_target *starget)
49 {
50 	struct Scsi_Host *shost;
51 	struct bfad_im_port_s *im_port;
52 	struct bfad_s         *bfad;
53 	struct bfad_itnim_s   *itnim = NULL;
54 	u64             node_name = 0;
55 	unsigned long   flags;
56 
57 	shost = dev_to_shost(starget->dev.parent);
58 	im_port = (struct bfad_im_port_s *) shost->hostdata[0];
59 	bfad = im_port->bfad;
60 	spin_lock_irqsave(&bfad->bfad_lock, flags);
61 
62 	itnim = bfad_get_itnim(im_port, starget->id);
63 	if (itnim)
64 		node_name = bfa_fcs_itnim_get_nwwn(&itnim->fcs_itnim);
65 
66 	fc_starget_node_name(starget) = cpu_to_be64(node_name);
67 	spin_unlock_irqrestore(&bfad->bfad_lock, flags);
68 }
69 
70 /*
71  * FC transport template entry, get SCSI target pwwn.
72  */
73 static void
74 bfad_im_get_starget_port_name(struct scsi_target *starget)
75 {
76 	struct Scsi_Host *shost;
77 	struct bfad_im_port_s *im_port;
78 	struct bfad_s         *bfad;
79 	struct bfad_itnim_s   *itnim = NULL;
80 	u64             port_name = 0;
81 	unsigned long   flags;
82 
83 	shost = dev_to_shost(starget->dev.parent);
84 	im_port = (struct bfad_im_port_s *) shost->hostdata[0];
85 	bfad = im_port->bfad;
86 	spin_lock_irqsave(&bfad->bfad_lock, flags);
87 
88 	itnim = bfad_get_itnim(im_port, starget->id);
89 	if (itnim)
90 		port_name = bfa_fcs_itnim_get_pwwn(&itnim->fcs_itnim);
91 
92 	fc_starget_port_name(starget) = cpu_to_be64(port_name);
93 	spin_unlock_irqrestore(&bfad->bfad_lock, flags);
94 }
95 
96 /*
97  * FC transport template entry, get SCSI host port ID.
98  */
99 static void
100 bfad_im_get_host_port_id(struct Scsi_Host *shost)
101 {
102 	struct bfad_im_port_s *im_port =
103 			(struct bfad_im_port_s *) shost->hostdata[0];
104 	struct bfad_port_s    *port = im_port->port;
105 
106 	fc_host_port_id(shost) =
107 			bfa_hton3b(bfa_fcs_lport_get_fcid(port->fcs_port));
108 }
109 
110 /*
111  * FC transport template entry, get SCSI host port type.
112  */
113 static void
114 bfad_im_get_host_port_type(struct Scsi_Host *shost)
115 {
116 	struct bfad_im_port_s *im_port =
117 			(struct bfad_im_port_s *) shost->hostdata[0];
118 	struct bfad_s         *bfad = im_port->bfad;
119 	struct bfa_lport_attr_s port_attr;
120 
121 	bfa_fcs_lport_get_attr(&bfad->bfa_fcs.fabric.bport, &port_attr);
122 
123 	switch (port_attr.port_type) {
124 	case BFA_PORT_TYPE_NPORT:
125 		fc_host_port_type(shost) = FC_PORTTYPE_NPORT;
126 		break;
127 	case BFA_PORT_TYPE_NLPORT:
128 		fc_host_port_type(shost) = FC_PORTTYPE_NLPORT;
129 		break;
130 	case BFA_PORT_TYPE_P2P:
131 		fc_host_port_type(shost) = FC_PORTTYPE_PTP;
132 		break;
133 	case BFA_PORT_TYPE_LPORT:
134 		fc_host_port_type(shost) = FC_PORTTYPE_LPORT;
135 		break;
136 	default:
137 		fc_host_port_type(shost) = FC_PORTTYPE_UNKNOWN;
138 		break;
139 	}
140 }
141 
142 /*
143  * FC transport template entry, get SCSI host port state.
144  */
145 static void
146 bfad_im_get_host_port_state(struct Scsi_Host *shost)
147 {
148 	struct bfad_im_port_s *im_port =
149 			(struct bfad_im_port_s *) shost->hostdata[0];
150 	struct bfad_s         *bfad = im_port->bfad;
151 	struct bfa_port_attr_s attr;
152 
153 	bfa_fcport_get_attr(&bfad->bfa, &attr);
154 
155 	switch (attr.port_state) {
156 	case BFA_PORT_ST_LINKDOWN:
157 		fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
158 		break;
159 	case BFA_PORT_ST_LINKUP:
160 		fc_host_port_state(shost) = FC_PORTSTATE_ONLINE;
161 		break;
162 	case BFA_PORT_ST_DISABLED:
163 	case BFA_PORT_ST_STOPPED:
164 	case BFA_PORT_ST_IOCDOWN:
165 	case BFA_PORT_ST_IOCDIS:
166 		fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE;
167 		break;
168 	case BFA_PORT_ST_UNINIT:
169 	case BFA_PORT_ST_ENABLING_QWAIT:
170 	case BFA_PORT_ST_ENABLING:
171 	case BFA_PORT_ST_DISABLING_QWAIT:
172 	case BFA_PORT_ST_DISABLING:
173 	default:
174 		fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN;
175 		break;
176 	}
177 }
178 
179 /*
180  * FC transport template entry, get SCSI host active fc4s.
181  */
182 static void
183 bfad_im_get_host_active_fc4s(struct Scsi_Host *shost)
184 {
185 	struct bfad_im_port_s *im_port =
186 			(struct bfad_im_port_s *) shost->hostdata[0];
187 	struct bfad_port_s    *port = im_port->port;
188 
189 	memset(fc_host_active_fc4s(shost), 0,
190 	       sizeof(fc_host_active_fc4s(shost)));
191 
192 	if (port->supported_fc4s & BFA_LPORT_ROLE_FCP_IM)
193 		fc_host_active_fc4s(shost)[2] = 1;
194 
195 	fc_host_active_fc4s(shost)[7] = 1;
196 }
197 
198 /*
199  * FC transport template entry, get SCSI host link speed.
200  */
201 static void
202 bfad_im_get_host_speed(struct Scsi_Host *shost)
203 {
204 	struct bfad_im_port_s *im_port =
205 			(struct bfad_im_port_s *) shost->hostdata[0];
206 	struct bfad_s         *bfad = im_port->bfad;
207 	struct bfa_port_attr_s attr;
208 
209 	bfa_fcport_get_attr(&bfad->bfa, &attr);
210 	switch (attr.speed) {
211 	case BFA_PORT_SPEED_10GBPS:
212 		fc_host_speed(shost) = FC_PORTSPEED_10GBIT;
213 		break;
214 	case BFA_PORT_SPEED_16GBPS:
215 		fc_host_speed(shost) = FC_PORTSPEED_16GBIT;
216 		break;
217 	case BFA_PORT_SPEED_8GBPS:
218 		fc_host_speed(shost) = FC_PORTSPEED_8GBIT;
219 		break;
220 	case BFA_PORT_SPEED_4GBPS:
221 		fc_host_speed(shost) = FC_PORTSPEED_4GBIT;
222 		break;
223 	case BFA_PORT_SPEED_2GBPS:
224 		fc_host_speed(shost) = FC_PORTSPEED_2GBIT;
225 		break;
226 	case BFA_PORT_SPEED_1GBPS:
227 		fc_host_speed(shost) = FC_PORTSPEED_1GBIT;
228 		break;
229 	default:
230 		fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN;
231 		break;
232 	}
233 }
234 
235 /*
236  * FC transport template entry, get SCSI host port type.
237  */
238 static void
239 bfad_im_get_host_fabric_name(struct Scsi_Host *shost)
240 {
241 	struct bfad_im_port_s *im_port =
242 			(struct bfad_im_port_s *) shost->hostdata[0];
243 	struct bfad_port_s    *port = im_port->port;
244 	wwn_t           fabric_nwwn = 0;
245 
246 	fabric_nwwn = bfa_fcs_lport_get_fabric_name(port->fcs_port);
247 
248 	fc_host_fabric_name(shost) = cpu_to_be64(fabric_nwwn);
249 
250 }
251 
252 /*
253  * FC transport template entry, get BFAD statistics.
254  */
255 static struct fc_host_statistics *
256 bfad_im_get_stats(struct Scsi_Host *shost)
257 {
258 	struct bfad_im_port_s *im_port =
259 			(struct bfad_im_port_s *) shost->hostdata[0];
260 	struct bfad_s         *bfad = im_port->bfad;
261 	struct bfad_hal_comp fcomp;
262 	union bfa_port_stats_u *fcstats;
263 	struct fc_host_statistics *hstats;
264 	bfa_status_t    rc;
265 	unsigned long   flags;
266 
267 	fcstats = kzalloc(sizeof(union bfa_port_stats_u), GFP_KERNEL);
268 	if (fcstats == NULL)
269 		return NULL;
270 
271 	hstats = &bfad->link_stats;
272 	init_completion(&fcomp.comp);
273 	spin_lock_irqsave(&bfad->bfad_lock, flags);
274 	memset(hstats, 0, sizeof(struct fc_host_statistics));
275 	rc = bfa_port_get_stats(BFA_FCPORT(&bfad->bfa),
276 				fcstats, bfad_hcb_comp, &fcomp);
277 	spin_unlock_irqrestore(&bfad->bfad_lock, flags);
278 	if (rc != BFA_STATUS_OK)
279 		return NULL;
280 
281 	wait_for_completion(&fcomp.comp);
282 
283 	/* Fill the fc_host_statistics structure */
284 	hstats->seconds_since_last_reset = fcstats->fc.secs_reset;
285 	hstats->tx_frames = fcstats->fc.tx_frames;
286 	hstats->tx_words  = fcstats->fc.tx_words;
287 	hstats->rx_frames = fcstats->fc.rx_frames;
288 	hstats->rx_words  = fcstats->fc.rx_words;
289 	hstats->lip_count = fcstats->fc.lip_count;
290 	hstats->nos_count = fcstats->fc.nos_count;
291 	hstats->error_frames = fcstats->fc.error_frames;
292 	hstats->dumped_frames = fcstats->fc.dropped_frames;
293 	hstats->link_failure_count = fcstats->fc.link_failures;
294 	hstats->loss_of_sync_count = fcstats->fc.loss_of_syncs;
295 	hstats->loss_of_signal_count = fcstats->fc.loss_of_signals;
296 	hstats->prim_seq_protocol_err_count = fcstats->fc.primseq_errs;
297 	hstats->invalid_crc_count = fcstats->fc.invalid_crcs;
298 
299 	kfree(fcstats);
300 	return hstats;
301 }
302 
303 /*
304  * FC transport template entry, reset BFAD statistics.
305  */
306 static void
307 bfad_im_reset_stats(struct Scsi_Host *shost)
308 {
309 	struct bfad_im_port_s *im_port =
310 			(struct bfad_im_port_s *) shost->hostdata[0];
311 	struct bfad_s         *bfad = im_port->bfad;
312 	struct bfad_hal_comp fcomp;
313 	unsigned long   flags;
314 	bfa_status_t    rc;
315 
316 	init_completion(&fcomp.comp);
317 	spin_lock_irqsave(&bfad->bfad_lock, flags);
318 	rc = bfa_port_clear_stats(BFA_FCPORT(&bfad->bfa), bfad_hcb_comp,
319 					&fcomp);
320 	spin_unlock_irqrestore(&bfad->bfad_lock, flags);
321 
322 	if (rc != BFA_STATUS_OK)
323 		return;
324 
325 	wait_for_completion(&fcomp.comp);
326 
327 	return;
328 }
329 
330 /*
331  * FC transport template entry, set rport loss timeout.
332  * Update dev_loss_tmo based on the value pushed down by the stack
333  * In case it is lesser than path_tov of driver, set it to path_tov + 1
334  * to ensure that the driver times out before the application
335  */
336 static void
337 bfad_im_set_rport_loss_tmo(struct fc_rport *rport, u32 timeout)
338 {
339 	struct bfad_itnim_data_s *itnim_data = rport->dd_data;
340 	struct bfad_itnim_s   *itnim = itnim_data->itnim;
341 	struct bfad_s         *bfad = itnim->im->bfad;
342 	uint16_t path_tov = bfa_fcpim_path_tov_get(&bfad->bfa);
343 
344 	rport->dev_loss_tmo = timeout;
345 	if (timeout < path_tov)
346 		rport->dev_loss_tmo = path_tov + 1;
347 }
348 
349 static int
350 bfad_im_vport_create(struct fc_vport *fc_vport, bool disable)
351 {
352 	char *vname = fc_vport->symbolic_name;
353 	struct Scsi_Host *shost = fc_vport->shost;
354 	struct bfad_im_port_s *im_port =
355 		(struct bfad_im_port_s *) shost->hostdata[0];
356 	struct bfad_s *bfad = im_port->bfad;
357 	struct bfa_lport_cfg_s port_cfg;
358 	struct bfad_vport_s *vp;
359 	int status = 0, rc;
360 	unsigned long flags;
361 
362 	memset(&port_cfg, 0, sizeof(port_cfg));
363 	u64_to_wwn(fc_vport->node_name, (u8 *)&port_cfg.nwwn);
364 	u64_to_wwn(fc_vport->port_name, (u8 *)&port_cfg.pwwn);
365 	if (strlen(vname) > 0)
366 		strcpy((char *)&port_cfg.sym_name, vname);
367 	port_cfg.roles = BFA_LPORT_ROLE_FCP_IM;
368 
369 	spin_lock_irqsave(&bfad->bfad_lock, flags);
370 	list_for_each_entry(vp, &bfad->pbc_vport_list, list_entry) {
371 		if (port_cfg.pwwn ==
372 				vp->fcs_vport.lport.port_cfg.pwwn) {
373 			port_cfg.preboot_vp =
374 				vp->fcs_vport.lport.port_cfg.preboot_vp;
375 			break;
376 		}
377 	}
378 	spin_unlock_irqrestore(&bfad->bfad_lock, flags);
379 
380 	rc = bfad_vport_create(bfad, 0, &port_cfg, &fc_vport->dev);
381 	if (rc == BFA_STATUS_OK) {
382 		struct bfad_vport_s *vport;
383 		struct bfa_fcs_vport_s *fcs_vport;
384 		struct Scsi_Host *vshost;
385 
386 		spin_lock_irqsave(&bfad->bfad_lock, flags);
387 		fcs_vport = bfa_fcs_vport_lookup(&bfad->bfa_fcs, 0,
388 					port_cfg.pwwn);
389 		spin_unlock_irqrestore(&bfad->bfad_lock, flags);
390 		if (fcs_vport == NULL)
391 			return VPCERR_BAD_WWN;
392 
393 		fc_vport_set_state(fc_vport, FC_VPORT_ACTIVE);
394 		if (disable) {
395 			spin_lock_irqsave(&bfad->bfad_lock, flags);
396 			bfa_fcs_vport_stop(fcs_vport);
397 			spin_unlock_irqrestore(&bfad->bfad_lock, flags);
398 			fc_vport_set_state(fc_vport, FC_VPORT_DISABLED);
399 		}
400 
401 		vport = fcs_vport->vport_drv;
402 		vshost = vport->drv_port.im_port->shost;
403 		fc_host_node_name(vshost) = wwn_to_u64((u8 *)&port_cfg.nwwn);
404 		fc_host_port_name(vshost) = wwn_to_u64((u8 *)&port_cfg.pwwn);
405 		fc_host_supported_classes(vshost) = FC_COS_CLASS3;
406 
407 		memset(fc_host_supported_fc4s(vshost), 0,
408 			sizeof(fc_host_supported_fc4s(vshost)));
409 
410 		/* For FCP type 0x08 */
411 		if (supported_fc4s & BFA_LPORT_ROLE_FCP_IM)
412 			fc_host_supported_fc4s(vshost)[2] = 1;
413 
414 		/* For fibre channel services type 0x20 */
415 		fc_host_supported_fc4s(vshost)[7] = 1;
416 
417 		fc_host_supported_speeds(vshost) =
418 				bfad_im_supported_speeds(&bfad->bfa);
419 		fc_host_maxframe_size(vshost) =
420 				bfa_fcport_get_maxfrsize(&bfad->bfa);
421 
422 		fc_vport->dd_data = vport;
423 		vport->drv_port.im_port->fc_vport = fc_vport;
424 	} else if (rc == BFA_STATUS_INVALID_WWN)
425 		return VPCERR_BAD_WWN;
426 	else if (rc == BFA_STATUS_VPORT_EXISTS)
427 		return VPCERR_BAD_WWN;
428 	else if (rc == BFA_STATUS_VPORT_MAX)
429 		return VPCERR_NO_FABRIC_SUPP;
430 	else if (rc == BFA_STATUS_VPORT_WWN_BP)
431 		return VPCERR_BAD_WWN;
432 	else
433 		return FC_VPORT_FAILED;
434 
435 	return status;
436 }
437 
438 int
439 bfad_im_issue_fc_host_lip(struct Scsi_Host *shost)
440 {
441 	struct bfad_im_port_s *im_port =
442 			(struct bfad_im_port_s *) shost->hostdata[0];
443 	struct bfad_s *bfad = im_port->bfad;
444 	struct bfad_hal_comp fcomp;
445 	unsigned long flags;
446 	uint32_t status;
447 
448 	init_completion(&fcomp.comp);
449 	spin_lock_irqsave(&bfad->bfad_lock, flags);
450 	status = bfa_port_disable(&bfad->bfa.modules.port,
451 					bfad_hcb_comp, &fcomp);
452 	spin_unlock_irqrestore(&bfad->bfad_lock, flags);
453 
454 	if (status != BFA_STATUS_OK)
455 		return -EIO;
456 
457 	wait_for_completion(&fcomp.comp);
458 	if (fcomp.status != BFA_STATUS_OK)
459 		return -EIO;
460 
461 	spin_lock_irqsave(&bfad->bfad_lock, flags);
462 	status = bfa_port_enable(&bfad->bfa.modules.port,
463 					bfad_hcb_comp, &fcomp);
464 	spin_unlock_irqrestore(&bfad->bfad_lock, flags);
465 	if (status != BFA_STATUS_OK)
466 		return -EIO;
467 
468 	wait_for_completion(&fcomp.comp);
469 	if (fcomp.status != BFA_STATUS_OK)
470 		return -EIO;
471 
472 	return 0;
473 }
474 
475 static int
476 bfad_im_vport_delete(struct fc_vport *fc_vport)
477 {
478 	struct bfad_vport_s *vport = (struct bfad_vport_s *)fc_vport->dd_data;
479 	struct bfad_im_port_s *im_port =
480 			(struct bfad_im_port_s *) vport->drv_port.im_port;
481 	struct bfad_s *bfad = im_port->bfad;
482 	struct bfa_fcs_vport_s *fcs_vport;
483 	struct Scsi_Host *vshost;
484 	wwn_t   pwwn;
485 	int rc;
486 	unsigned long flags;
487 	struct completion fcomp;
488 
489 	if (im_port->flags & BFAD_PORT_DELETE) {
490 		bfad_scsi_host_free(bfad, im_port);
491 		list_del(&vport->list_entry);
492 		kfree(vport);
493 		return 0;
494 	}
495 
496 	vshost = vport->drv_port.im_port->shost;
497 	u64_to_wwn(fc_host_port_name(vshost), (u8 *)&pwwn);
498 
499 	spin_lock_irqsave(&bfad->bfad_lock, flags);
500 	fcs_vport = bfa_fcs_vport_lookup(&bfad->bfa_fcs, 0, pwwn);
501 	spin_unlock_irqrestore(&bfad->bfad_lock, flags);
502 
503 	if (fcs_vport == NULL)
504 		return VPCERR_BAD_WWN;
505 
506 	vport->drv_port.flags |= BFAD_PORT_DELETE;
507 
508 	vport->comp_del = &fcomp;
509 	init_completion(vport->comp_del);
510 
511 	spin_lock_irqsave(&bfad->bfad_lock, flags);
512 	rc = bfa_fcs_vport_delete(&vport->fcs_vport);
513 	spin_unlock_irqrestore(&bfad->bfad_lock, flags);
514 
515 	if (rc == BFA_STATUS_PBC) {
516 		vport->drv_port.flags &= ~BFAD_PORT_DELETE;
517 		vport->comp_del = NULL;
518 		return -1;
519 	}
520 
521 	wait_for_completion(vport->comp_del);
522 
523 	bfad_scsi_host_free(bfad, im_port);
524 	list_del(&vport->list_entry);
525 	kfree(vport);
526 
527 	return 0;
528 }
529 
530 static int
531 bfad_im_vport_disable(struct fc_vport *fc_vport, bool disable)
532 {
533 	struct bfad_vport_s *vport;
534 	struct bfad_s *bfad;
535 	struct bfa_fcs_vport_s *fcs_vport;
536 	struct Scsi_Host *vshost;
537 	wwn_t   pwwn;
538 	unsigned long flags;
539 
540 	vport = (struct bfad_vport_s *)fc_vport->dd_data;
541 	bfad = vport->drv_port.bfad;
542 	vshost = vport->drv_port.im_port->shost;
543 	u64_to_wwn(fc_host_port_name(vshost), (u8 *)&pwwn);
544 
545 	spin_lock_irqsave(&bfad->bfad_lock, flags);
546 	fcs_vport = bfa_fcs_vport_lookup(&bfad->bfa_fcs, 0, pwwn);
547 	spin_unlock_irqrestore(&bfad->bfad_lock, flags);
548 
549 	if (fcs_vport == NULL)
550 		return VPCERR_BAD_WWN;
551 
552 	if (disable) {
553 		bfa_fcs_vport_stop(fcs_vport);
554 		fc_vport_set_state(fc_vport, FC_VPORT_DISABLED);
555 	} else {
556 		bfa_fcs_vport_start(fcs_vport);
557 		fc_vport_set_state(fc_vport, FC_VPORT_ACTIVE);
558 	}
559 
560 	return 0;
561 }
562 
563 void
564 bfad_im_vport_set_symbolic_name(struct fc_vport *fc_vport)
565 {
566 	struct bfad_vport_s *vport = (struct bfad_vport_s *)fc_vport->dd_data;
567 	struct bfad_im_port_s *im_port =
568 			(struct bfad_im_port_s *)vport->drv_port.im_port;
569 	struct bfad_s *bfad = im_port->bfad;
570 	struct Scsi_Host *vshost = vport->drv_port.im_port->shost;
571 	char *sym_name = fc_vport->symbolic_name;
572 	struct bfa_fcs_vport_s *fcs_vport;
573 	wwn_t	pwwn;
574 	unsigned long flags;
575 
576 	u64_to_wwn(fc_host_port_name(vshost), (u8 *)&pwwn);
577 
578 	spin_lock_irqsave(&bfad->bfad_lock, flags);
579 	fcs_vport = bfa_fcs_vport_lookup(&bfad->bfa_fcs, 0, pwwn);
580 	spin_unlock_irqrestore(&bfad->bfad_lock, flags);
581 
582 	if (fcs_vport == NULL)
583 		return;
584 
585 	spin_lock_irqsave(&bfad->bfad_lock, flags);
586 	if (strlen(sym_name) > 0)
587 		bfa_fcs_lport_set_symname(&fcs_vport->lport, sym_name);
588 	spin_unlock_irqrestore(&bfad->bfad_lock, flags);
589 }
590 
591 struct fc_function_template bfad_im_fc_function_template = {
592 
593 	/* Target dynamic attributes */
594 	.get_starget_port_id = bfad_im_get_starget_port_id,
595 	.show_starget_port_id = 1,
596 	.get_starget_node_name = bfad_im_get_starget_node_name,
597 	.show_starget_node_name = 1,
598 	.get_starget_port_name = bfad_im_get_starget_port_name,
599 	.show_starget_port_name = 1,
600 
601 	/* Host dynamic attribute */
602 	.get_host_port_id = bfad_im_get_host_port_id,
603 	.show_host_port_id = 1,
604 
605 	/* Host fixed attributes */
606 	.show_host_node_name = 1,
607 	.show_host_port_name = 1,
608 	.show_host_supported_classes = 1,
609 	.show_host_supported_fc4s = 1,
610 	.show_host_supported_speeds = 1,
611 	.show_host_maxframe_size = 1,
612 
613 	/* More host dynamic attributes */
614 	.show_host_port_type = 1,
615 	.get_host_port_type = bfad_im_get_host_port_type,
616 	.show_host_port_state = 1,
617 	.get_host_port_state = bfad_im_get_host_port_state,
618 	.show_host_active_fc4s = 1,
619 	.get_host_active_fc4s = bfad_im_get_host_active_fc4s,
620 	.show_host_speed = 1,
621 	.get_host_speed = bfad_im_get_host_speed,
622 	.show_host_fabric_name = 1,
623 	.get_host_fabric_name = bfad_im_get_host_fabric_name,
624 
625 	.show_host_symbolic_name = 1,
626 
627 	/* Statistics */
628 	.get_fc_host_stats = bfad_im_get_stats,
629 	.reset_fc_host_stats = bfad_im_reset_stats,
630 
631 	/* Allocation length for host specific data */
632 	.dd_fcrport_size = sizeof(struct bfad_itnim_data_s *),
633 
634 	/* Remote port fixed attributes */
635 	.show_rport_maxframe_size = 1,
636 	.show_rport_supported_classes = 1,
637 	.show_rport_dev_loss_tmo = 1,
638 	.set_rport_dev_loss_tmo = bfad_im_set_rport_loss_tmo,
639 	.issue_fc_host_lip = bfad_im_issue_fc_host_lip,
640 	.vport_create = bfad_im_vport_create,
641 	.vport_delete = bfad_im_vport_delete,
642 	.vport_disable = bfad_im_vport_disable,
643 	.set_vport_symbolic_name = bfad_im_vport_set_symbolic_name,
644 	.bsg_request = bfad_im_bsg_request,
645 	.bsg_timeout = bfad_im_bsg_timeout,
646 };
647 
648 struct fc_function_template bfad_im_vport_fc_function_template = {
649 
650 	/* Target dynamic attributes */
651 	.get_starget_port_id = bfad_im_get_starget_port_id,
652 	.show_starget_port_id = 1,
653 	.get_starget_node_name = bfad_im_get_starget_node_name,
654 	.show_starget_node_name = 1,
655 	.get_starget_port_name = bfad_im_get_starget_port_name,
656 	.show_starget_port_name = 1,
657 
658 	/* Host dynamic attribute */
659 	.get_host_port_id = bfad_im_get_host_port_id,
660 	.show_host_port_id = 1,
661 
662 	/* Host fixed attributes */
663 	.show_host_node_name = 1,
664 	.show_host_port_name = 1,
665 	.show_host_supported_classes = 1,
666 	.show_host_supported_fc4s = 1,
667 	.show_host_supported_speeds = 1,
668 	.show_host_maxframe_size = 1,
669 
670 	/* More host dynamic attributes */
671 	.show_host_port_type = 1,
672 	.get_host_port_type = bfad_im_get_host_port_type,
673 	.show_host_port_state = 1,
674 	.get_host_port_state = bfad_im_get_host_port_state,
675 	.show_host_active_fc4s = 1,
676 	.get_host_active_fc4s = bfad_im_get_host_active_fc4s,
677 	.show_host_speed = 1,
678 	.get_host_speed = bfad_im_get_host_speed,
679 	.show_host_fabric_name = 1,
680 	.get_host_fabric_name = bfad_im_get_host_fabric_name,
681 
682 	.show_host_symbolic_name = 1,
683 
684 	/* Statistics */
685 	.get_fc_host_stats = bfad_im_get_stats,
686 	.reset_fc_host_stats = bfad_im_reset_stats,
687 
688 	/* Allocation length for host specific data */
689 	.dd_fcrport_size = sizeof(struct bfad_itnim_data_s *),
690 
691 	/* Remote port fixed attributes */
692 	.show_rport_maxframe_size = 1,
693 	.show_rport_supported_classes = 1,
694 	.show_rport_dev_loss_tmo = 1,
695 	.set_rport_dev_loss_tmo = bfad_im_set_rport_loss_tmo,
696 };
697 
698 /*
699  *  Scsi_Host_attrs SCSI host attributes
700  */
701 static ssize_t
702 bfad_im_serial_num_show(struct device *dev, struct device_attribute *attr,
703 			 char *buf)
704 {
705 	struct Scsi_Host *shost = class_to_shost(dev);
706 	struct bfad_im_port_s *im_port =
707 			(struct bfad_im_port_s *) shost->hostdata[0];
708 	struct bfad_s *bfad = im_port->bfad;
709 	char serial_num[BFA_ADAPTER_SERIAL_NUM_LEN];
710 
711 	bfa_get_adapter_serial_num(&bfad->bfa, serial_num);
712 	return snprintf(buf, PAGE_SIZE, "%s\n", serial_num);
713 }
714 
715 static ssize_t
716 bfad_im_model_show(struct device *dev, struct device_attribute *attr,
717 			char *buf)
718 {
719 	struct Scsi_Host *shost = class_to_shost(dev);
720 	struct bfad_im_port_s *im_port =
721 			(struct bfad_im_port_s *) shost->hostdata[0];
722 	struct bfad_s *bfad = im_port->bfad;
723 	char model[BFA_ADAPTER_MODEL_NAME_LEN];
724 
725 	bfa_get_adapter_model(&bfad->bfa, model);
726 	return snprintf(buf, PAGE_SIZE, "%s\n", model);
727 }
728 
729 static ssize_t
730 bfad_im_model_desc_show(struct device *dev, struct device_attribute *attr,
731 				 char *buf)
732 {
733 	struct Scsi_Host *shost = class_to_shost(dev);
734 	struct bfad_im_port_s *im_port =
735 			(struct bfad_im_port_s *) shost->hostdata[0];
736 	struct bfad_s *bfad = im_port->bfad;
737 	char model[BFA_ADAPTER_MODEL_NAME_LEN];
738 	char model_descr[BFA_ADAPTER_MODEL_DESCR_LEN];
739 	int nports = 0;
740 
741 	bfa_get_adapter_model(&bfad->bfa, model);
742 	nports = bfa_get_nports(&bfad->bfa);
743 	if (!strcmp(model, "QLogic-425"))
744 		snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
745 			"QLogic BR-series 4Gbps PCIe dual port FC HBA");
746 	else if (!strcmp(model, "QLogic-825"))
747 		snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
748 			"QLogic BR-series 8Gbps PCIe dual port FC HBA");
749 	else if (!strcmp(model, "QLogic-42B"))
750 		snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
751 			"QLogic BR-series 4Gbps PCIe dual port FC HBA for HP");
752 	else if (!strcmp(model, "QLogic-82B"))
753 		snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
754 			"QLogic BR-series 8Gbps PCIe dual port FC HBA for HP");
755 	else if (!strcmp(model, "QLogic-1010"))
756 		snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
757 			"QLogic BR-series 10Gbps single port CNA");
758 	else if (!strcmp(model, "QLogic-1020"))
759 		snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
760 			"QLogic BR-series 10Gbps dual port CNA");
761 	else if (!strcmp(model, "QLogic-1007"))
762 		snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
763 			"QLogic BR-series 10Gbps CNA for IBM Blade Center");
764 	else if (!strcmp(model, "QLogic-415"))
765 		snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
766 			"QLogic BR-series 4Gbps PCIe single port FC HBA");
767 	else if (!strcmp(model, "QLogic-815"))
768 		snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
769 			"QLogic BR-series 8Gbps PCIe single port FC HBA");
770 	else if (!strcmp(model, "QLogic-41B"))
771 		snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
772 			"QLogic BR-series 4Gbps PCIe single port FC HBA for HP");
773 	else if (!strcmp(model, "QLogic-81B"))
774 		snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
775 			"QLogic BR-series 8Gbps PCIe single port FC HBA for HP");
776 	else if (!strcmp(model, "QLogic-804"))
777 		snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
778 			"QLogic BR-series 8Gbps FC HBA for HP Bladesystem C-class");
779 	else if (!strcmp(model, "QLogic-1741"))
780 		snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
781 			"QLogic BR-series 10Gbps CNA for Dell M-Series Blade Servers");
782 	else if (strstr(model, "QLogic-1860")) {
783 		if (nports == 1 && bfa_ioc_is_cna(&bfad->bfa.ioc))
784 			snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
785 				"QLogic BR-series 10Gbps single port CNA");
786 		else if (nports == 1 && !bfa_ioc_is_cna(&bfad->bfa.ioc))
787 			snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
788 				"QLogic BR-series 16Gbps PCIe single port FC HBA");
789 		else if (nports == 2 && bfa_ioc_is_cna(&bfad->bfa.ioc))
790 			snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
791 				"QLogic BR-series 10Gbps dual port CNA");
792 		else if (nports == 2 && !bfa_ioc_is_cna(&bfad->bfa.ioc))
793 			snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
794 				"QLogic BR-series 16Gbps PCIe dual port FC HBA");
795 	} else if (!strcmp(model, "QLogic-1867")) {
796 		if (nports == 1 && !bfa_ioc_is_cna(&bfad->bfa.ioc))
797 			snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
798 				"QLogic BR-series 16Gbps PCIe single port FC HBA for IBM");
799 		else if (nports == 2 && !bfa_ioc_is_cna(&bfad->bfa.ioc))
800 			snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
801 				"QLogic BR-series 16Gbps PCIe dual port FC HBA for IBM");
802 	} else
803 		snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
804 			"Invalid Model");
805 
806 	return snprintf(buf, PAGE_SIZE, "%s\n", model_descr);
807 }
808 
809 static ssize_t
810 bfad_im_node_name_show(struct device *dev, struct device_attribute *attr,
811 				 char *buf)
812 {
813 	struct Scsi_Host *shost = class_to_shost(dev);
814 	struct bfad_im_port_s *im_port =
815 			(struct bfad_im_port_s *) shost->hostdata[0];
816 	struct bfad_port_s    *port = im_port->port;
817 	u64        nwwn;
818 
819 	nwwn = bfa_fcs_lport_get_nwwn(port->fcs_port);
820 	return snprintf(buf, PAGE_SIZE, "0x%llx\n", cpu_to_be64(nwwn));
821 }
822 
823 static ssize_t
824 bfad_im_symbolic_name_show(struct device *dev, struct device_attribute *attr,
825 				 char *buf)
826 {
827 	struct Scsi_Host *shost = class_to_shost(dev);
828 	struct bfad_im_port_s *im_port =
829 			(struct bfad_im_port_s *) shost->hostdata[0];
830 	struct bfad_s *bfad = im_port->bfad;
831 	struct bfa_lport_attr_s port_attr;
832 	char symname[BFA_SYMNAME_MAXLEN];
833 
834 	bfa_fcs_lport_get_attr(&bfad->bfa_fcs.fabric.bport, &port_attr);
835 	strlcpy(symname, port_attr.port_cfg.sym_name.symname,
836 			BFA_SYMNAME_MAXLEN);
837 	return snprintf(buf, PAGE_SIZE, "%s\n", symname);
838 }
839 
840 static ssize_t
841 bfad_im_hw_version_show(struct device *dev, struct device_attribute *attr,
842 				char *buf)
843 {
844 	struct Scsi_Host *shost = class_to_shost(dev);
845 	struct bfad_im_port_s *im_port =
846 			(struct bfad_im_port_s *) shost->hostdata[0];
847 	struct bfad_s *bfad = im_port->bfad;
848 	char hw_ver[BFA_VERSION_LEN];
849 
850 	bfa_get_pci_chip_rev(&bfad->bfa, hw_ver);
851 	return snprintf(buf, PAGE_SIZE, "%s\n", hw_ver);
852 }
853 
854 static ssize_t
855 bfad_im_drv_version_show(struct device *dev, struct device_attribute *attr,
856 				char *buf)
857 {
858 	return snprintf(buf, PAGE_SIZE, "%s\n", BFAD_DRIVER_VERSION);
859 }
860 
861 static ssize_t
862 bfad_im_optionrom_version_show(struct device *dev,
863 			 struct device_attribute *attr, char *buf)
864 {
865 	struct Scsi_Host *shost = class_to_shost(dev);
866 	struct bfad_im_port_s *im_port =
867 			(struct bfad_im_port_s *) shost->hostdata[0];
868 	struct bfad_s *bfad = im_port->bfad;
869 	char optrom_ver[BFA_VERSION_LEN];
870 
871 	bfa_get_adapter_optrom_ver(&bfad->bfa, optrom_ver);
872 	return snprintf(buf, PAGE_SIZE, "%s\n", optrom_ver);
873 }
874 
875 static ssize_t
876 bfad_im_fw_version_show(struct device *dev, struct device_attribute *attr,
877 				 char *buf)
878 {
879 	struct Scsi_Host *shost = class_to_shost(dev);
880 	struct bfad_im_port_s *im_port =
881 			(struct bfad_im_port_s *) shost->hostdata[0];
882 	struct bfad_s *bfad = im_port->bfad;
883 	char fw_ver[BFA_VERSION_LEN];
884 
885 	bfa_get_adapter_fw_ver(&bfad->bfa, fw_ver);
886 	return snprintf(buf, PAGE_SIZE, "%s\n", fw_ver);
887 }
888 
889 static ssize_t
890 bfad_im_num_of_ports_show(struct device *dev, struct device_attribute *attr,
891 				char *buf)
892 {
893 	struct Scsi_Host *shost = class_to_shost(dev);
894 	struct bfad_im_port_s *im_port =
895 			(struct bfad_im_port_s *) shost->hostdata[0];
896 	struct bfad_s *bfad = im_port->bfad;
897 
898 	return snprintf(buf, PAGE_SIZE, "%d\n",
899 			bfa_get_nports(&bfad->bfa));
900 }
901 
902 static ssize_t
903 bfad_im_drv_name_show(struct device *dev, struct device_attribute *attr,
904 				char *buf)
905 {
906 	return snprintf(buf, PAGE_SIZE, "%s\n", BFAD_DRIVER_NAME);
907 }
908 
909 static ssize_t
910 bfad_im_num_of_discovered_ports_show(struct device *dev,
911 			struct device_attribute *attr, char *buf)
912 {
913 	struct Scsi_Host *shost = class_to_shost(dev);
914 	struct bfad_im_port_s *im_port =
915 			(struct bfad_im_port_s *) shost->hostdata[0];
916 	struct bfad_port_s    *port = im_port->port;
917 	struct bfad_s         *bfad = im_port->bfad;
918 	int        nrports = 2048;
919 	struct bfa_rport_qualifier_s *rports = NULL;
920 	unsigned long   flags;
921 
922 	rports = kcalloc(nrports, sizeof(struct bfa_rport_qualifier_s),
923 			 GFP_ATOMIC);
924 	if (rports == NULL)
925 		return snprintf(buf, PAGE_SIZE, "Failed\n");
926 
927 	spin_lock_irqsave(&bfad->bfad_lock, flags);
928 	bfa_fcs_lport_get_rport_quals(port->fcs_port, rports, &nrports);
929 	spin_unlock_irqrestore(&bfad->bfad_lock, flags);
930 	kfree(rports);
931 
932 	return snprintf(buf, PAGE_SIZE, "%d\n", nrports);
933 }
934 
935 static          DEVICE_ATTR(serial_number, S_IRUGO,
936 				bfad_im_serial_num_show, NULL);
937 static          DEVICE_ATTR(model, S_IRUGO, bfad_im_model_show, NULL);
938 static          DEVICE_ATTR(model_description, S_IRUGO,
939 				bfad_im_model_desc_show, NULL);
940 static          DEVICE_ATTR(node_name, S_IRUGO, bfad_im_node_name_show, NULL);
941 static          DEVICE_ATTR(symbolic_name, S_IRUGO,
942 				bfad_im_symbolic_name_show, NULL);
943 static          DEVICE_ATTR(hardware_version, S_IRUGO,
944 				bfad_im_hw_version_show, NULL);
945 static          DEVICE_ATTR(driver_version, S_IRUGO,
946 				bfad_im_drv_version_show, NULL);
947 static          DEVICE_ATTR(option_rom_version, S_IRUGO,
948 				bfad_im_optionrom_version_show, NULL);
949 static          DEVICE_ATTR(firmware_version, S_IRUGO,
950 				bfad_im_fw_version_show, NULL);
951 static          DEVICE_ATTR(number_of_ports, S_IRUGO,
952 				bfad_im_num_of_ports_show, NULL);
953 static          DEVICE_ATTR(driver_name, S_IRUGO, bfad_im_drv_name_show, NULL);
954 static          DEVICE_ATTR(number_of_discovered_ports, S_IRUGO,
955 				bfad_im_num_of_discovered_ports_show, NULL);
956 
957 struct device_attribute *bfad_im_host_attrs[] = {
958 	&dev_attr_serial_number,
959 	&dev_attr_model,
960 	&dev_attr_model_description,
961 	&dev_attr_node_name,
962 	&dev_attr_symbolic_name,
963 	&dev_attr_hardware_version,
964 	&dev_attr_driver_version,
965 	&dev_attr_option_rom_version,
966 	&dev_attr_firmware_version,
967 	&dev_attr_number_of_ports,
968 	&dev_attr_driver_name,
969 	&dev_attr_number_of_discovered_ports,
970 	NULL,
971 };
972 
973 struct device_attribute *bfad_im_vport_attrs[] = {
974 	&dev_attr_serial_number,
975 	&dev_attr_model,
976 	&dev_attr_model_description,
977 	&dev_attr_node_name,
978 	&dev_attr_symbolic_name,
979 	&dev_attr_hardware_version,
980 	&dev_attr_driver_version,
981 	&dev_attr_option_rom_version,
982 	&dev_attr_firmware_version,
983 	&dev_attr_number_of_ports,
984 	&dev_attr_driver_name,
985 	&dev_attr_number_of_discovered_ports,
986 	NULL,
987 };
988 
989 
990