summaryrefslogtreecommitdiffstats
path: root/drivers/scsi/bfa/bfad_attr.c
blob: 13db3b7bc8737fc949b68129385c5291f3f7c018 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
/*
 * Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
 * Copyright (c) 2014- QLogic Corporation.
 * All rights reserved
 * www.qlogic.com
 *
 * Linux driver for QLogic BR-series Fibre Channel Host Bus Adapter.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License (GPL) Version 2 as
 * published by the Free Software Foundation
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 */

/*
 *  bfa_attr.c Linux driver configuration interface module.
 */

#include "bfad_drv.h"
#include "bfad_im.h"

/*
 * FC transport template entry, get SCSI target port ID.
 */
static void
bfad_im_get_starget_port_id(struct scsi_target *starget)
{
	struct Scsi_Host *shost;
	struct bfad_im_port_s *im_port;
	struct bfad_s         *bfad;
	struct bfad_itnim_s   *itnim = NULL;
	u32        fc_id = -1;
	unsigned long   flags;

	shost = dev_to_shost(starget->dev.parent);
	im_port = (struct bfad_im_port_s *) shost->hostdata[0];
	bfad = im_port->bfad;
	spin_lock_irqsave(&bfad->bfad_lock, flags);

	itnim = bfad_get_itnim(im_port, starget->id);
	if (itnim)
		fc_id = bfa_fcs_itnim_get_fcid(&itnim->fcs_itnim);

	fc_starget_port_id(starget) = fc_id;
	spin_unlock_irqrestore(&bfad->bfad_lock, flags);
}

/*
 * FC transport template entry, get SCSI target nwwn.
 */
static void
bfad_im_get_starget_node_name(struct scsi_target *starget)
{
	struct Scsi_Host *shost;
	struct bfad_im_port_s *im_port;
	struct bfad_s         *bfad;
	struct bfad_itnim_s   *itnim = NULL;
	u64             node_name = 0;
	unsigned long   flags;

	shost = dev_to_shost(starget->dev.parent);
	im_port = (struct bfad_im_port_s *) shost->hostdata[0];
	bfad = im_port->bfad;
	spin_lock_irqsave(&bfad->bfad_lock, flags);

	itnim = bfad_get_itnim(im_port, starget->id);
	if (itnim)
		node_name = bfa_fcs_itnim_get_nwwn(&itnim->fcs_itnim);

	fc_starget_node_name(starget) = cpu_to_be64(node_name);
	spin_unlock_irqrestore(&bfad->bfad_lock, flags);
}

/*
 * FC transport template entry, get SCSI target pwwn.
 */
static void
bfad_im_get_starget_port_name(struct scsi_target *starget)
{
	struct Scsi_Host *shost;
	struct bfad_im_port_s *im_port;
	struct bfad_s         *bfad;
	struct bfad_itnim_s   *itnim = NULL;
	u64             port_name = 0;
	unsigned long   flags;

	shost = dev_to_shost(starget->dev.parent);
	im_port = (struct bfad_im_port_s *) shost->hostdata[0];
	bfad = im_port->bfad;
	spin_lock_irqsave(&bfad->bfad_lock, flags);

	itnim = bfad_get_itnim(im_port, starget->id);
	if (itnim)
		port_name = bfa_fcs_itnim_get_pwwn(&itnim->fcs_itnim);

	fc_starget_port_name(starget) = cpu_to_be64(port_name);
	spin_unlock_irqrestore(&bfad->bfad_lock, flags);
}

/*
 * FC transport template entry, get SCSI host port ID.
 */
static void
bfad_im_get_host_port_id(struct Scsi_Host *shost)
{
	struct bfad_im_port_s *im_port =
			(struct bfad_im_port_s *) shost->hostdata[0];
	struct bfad_port_s    *port = im_port->port;

	fc_host_port_id(shost) =
			bfa_hton3b(bfa_fcs_lport_get_fcid(port->fcs_port));
}

/*
 * FC transport template entry, get SCSI host port type.
 */
static void
bfad_im_get_host_port_type(struct Scsi_Host *shost)
{
	struct bfad_im_port_s *im_port =
			(struct bfad_im_port_s *) shost->hostdata[0];
	struct bfad_s         *bfad = im_port->bfad;
	struct bfa_lport_attr_s port_attr;

	bfa_fcs_lport_get_attr(&bfad->bfa_fcs.fabric.bport, &port_attr);

	switch (port_attr.port_type) {
	case BFA_PORT_TYPE_NPORT:
		fc_host_port_type(shost) = FC_PORTTYPE_NPORT;
		break;
	case BFA_PORT_TYPE_NLPORT:
		fc_host_port_type(shost) = FC_PORTTYPE_NLPORT;
		break;
	case BFA_PORT_TYPE_P2P:
		fc_host_port_type(shost) = FC_PORTTYPE_PTP;
		break;
	case BFA_PORT_TYPE_LPORT:
		fc_host_port_type(shost) = FC_PORTTYPE_LPORT;
		break;
	default:
		fc_host_port_type(shost) = FC_PORTTYPE_UNKNOWN;
		break;
	}
}

/*
 * FC transport template entry, get SCSI host port state.
 */
static void
bfad_im_get_host_port_state(struct Scsi_Host *shost)
{
	struct bfad_im_port_s *im_port =
			(struct bfad_im_port_s *) shost->hostdata[0];
	struct bfad_s         *bfad = im_port->bfad;
	struct bfa_port_attr_s attr;

	bfa_fcport_get_attr(&bfad->bfa, &attr);

	switch (attr.port_state) {
	case BFA_PORT_ST_LINKDOWN:
		fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
		break;
	case BFA_PORT_ST_LINKUP:
		fc_host_port_state(shost) = FC_PORTSTATE_ONLINE;
		break;
	case BFA_PORT_ST_DISABLED:
	case BFA_PORT_ST_STOPPED:
	case BFA_PORT_ST_IOCDOWN:
	case BFA_PORT_ST_IOCDIS:
		fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE;
		break;
	case BFA_PORT_ST_UNINIT:
	case BFA_PORT_ST_ENABLING_QWAIT:
	case BFA_PORT_ST_ENABLING:
	case BFA_PORT_ST_DISABLING_QWAIT:
	case BFA_PORT_ST_DISABLING:
	default:
		fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN;
		break;
	}
}

/*
 * FC transport template entry, get SCSI host active fc4s.
 */
static void
bfad_im_get_host_active_fc4s(struct Scsi_Host *shost)
{
	struct bfad_im_port_s *im_port =
			(struct bfad_im_port_s *) shost->hostdata[0];
	struct bfad_port_s    *port = im_port->port;

	memset(fc_host_active_fc4s(shost), 0,
	       sizeof(fc_host_active_fc4s(shost)));

	if (port->supported_fc4s & BFA_LPORT_ROLE_FCP_IM)
		fc_host_active_fc4s(shost)[2] = 1;

	fc_host_active_fc4s(shost)[7] = 1;
}

/*
 * FC transport template entry, get SCSI host link speed.
 */
static void
bfad_im_get_host_speed(struct Scsi_Host *shost)
{
	struct bfad_im_port_s *im_port =
			(struct bfad_im_port_s *) shost->hostdata[0];
	struct bfad_s         *bfad = im_port->bfad;
	struct bfa_port_attr_s attr;

	bfa_fcport_get_attr(&bfad->bfa, &attr);
	switch (attr.speed) {
	case BFA_PORT_SPEED_10GBPS:
		fc_host_speed(shost) = FC_PORTSPEED_10GBIT;
		break;
	case BFA_PORT_SPEED_16GBPS:
		fc_host_speed(shost) = FC_PORTSPEED_16GBIT;
		break;
	case BFA_PORT_SPEED_8GBPS:
		fc_host_speed(shost) = FC_PORTSPEED_8GBIT;
		break;
	case BFA_PORT_SPEED_4GBPS:
		fc_host_speed(shost) = FC_PORTSPEED_4GBIT;
		break;
	case BFA_PORT_SPEED_2GBPS:
		fc_host_speed(shost) = FC_PORTSPEED_2GBIT;
		break;
	case BFA_PORT_SPEED_1GBPS:
		fc_host_speed(shost) = FC_PORTSPEED_1GBIT;
		break;
	default:
		fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN;
		break;
	}
}

/*
 * FC transport template entry, get SCSI host port type.
 */
static void
bfad_im_get_host_fabric_name(struct Scsi_Host *shost)
{
	struct bfad_im_port_s *im_port =
			(struct bfad_im_port_s *) shost->hostdata[0];
	struct bfad_port_s    *port = im_port->port;
	wwn_t           fabric_nwwn = 0;

	fabric_nwwn = bfa_fcs_lport_get_fabric_name(port->fcs_port);

	fc_host_fabric_name(shost) = cpu_to_be64(fabric_nwwn);

}

/*
 * FC transport template entry, get BFAD statistics.
 */
static struct fc_host_statistics *
bfad_im_get_stats(struct Scsi_Host *shost)
{
	struct bfad_im_port_s *im_port =
			(struct bfad_im_port_s *) shost->hostdata[0];
	struct bfad_s         *bfad = im_port->bfad;
	struct bfad_hal_comp fcomp;
	union bfa_port_stats_u *fcstats;
	struct fc_host_statistics *hstats;
	bfa_status_t    rc;
	unsigned long   flags;

	fcstats = kzalloc(sizeof(union bfa_port_stats_u), GFP_KERNEL);
	if (fcstats == NULL)
		return NULL;

	hstats = &bfad->link_stats;
	init_completion(&fcomp.comp);
	spin_lock_irqsave(&bfad->bfad_lock, flags);
	memset(hstats, 0, sizeof(struct fc_host_statistics));
	rc = bfa_port_get_stats(BFA_FCPORT(&bfad->bfa),
				fcstats, bfad_hcb_comp, &fcomp);
	spin_unlock_irqrestore(&bfad->bfad_lock, flags);
	if (rc != BFA_STATUS_OK)
		return NULL;

	wait_for_completion(&fcomp.comp);

	/* Fill the fc_host_statistics structure */
	hstats->seconds_since_last_reset = fcstats->fc.secs_reset;
	hstats->tx_frames = fcstats->fc.tx_frames;
	hstats->tx_words  = fcstats->fc.tx_words;
	hstats->rx_frames = fcstats->fc.rx_frames;
	hstats->rx_words  = fcstats->fc.rx_words;
	hstats->lip_count = fcstats->fc.lip_count;
	hstats->nos_count = fcstats->fc.nos_count;
	hstats->error_frames = fcstats->fc.error_frames;
	hstats->dumped_frames = fcstats->fc.dropped_frames;
	hstats->link_failure_count = fcstats->fc.link_failures;
	hstats->loss_of_sync_count = fcstats->fc.loss_of_syncs;
	hstats->loss_of_signal_count = fcstats->fc.loss_of_signals;
	hstats->prim_seq_protocol_err_count = fcstats->fc.primseq_errs;
	hstats->invalid_crc_count = fcstats->fc.invalid_crcs;

	kfree(fcstats);
	return hstats;
}

/*
 * FC transport template entry, reset BFAD statistics.
 */
static void
bfad_im_reset_stats(struct Scsi_Host *shost)
{
	struct bfad_im_port_s *im_port =
			(struct bfad_im_port_s *) shost->hostdata[0];
	struct bfad_s         *bfad = im_port->bfad;
	struct bfad_hal_comp fcomp;
	unsigned long   flags;
	bfa_status_t    rc;

	init_completion(&fcomp.comp);
	spin_lock_irqsave(&bfad->bfad_lock, flags);
	rc = bfa_port_clear_stats(BFA_FCPORT(&bfad->bfa), bfad_hcb_comp,
					&fcomp);
	spin_unlock_irqrestore(&bfad->bfad_lock, flags);

	if (rc != BFA_STATUS_OK)
		return;

	wait_for_completion(&fcomp.comp);

	return;
}

/*
 * FC transport template entry, set rport loss timeout.
 * Update dev_loss_tmo based on the value pushed down by the stack
 * In case it is lesser than path_tov of driver, set it to path_tov + 1
 * to ensure that the driver times out before the application
 */
static void
bfad_im_set_rport_loss_tmo(struct fc_rport *rport, u32 timeout)
{
	struct bfad_itnim_data_s *itnim_data = rport->dd_data;
	struct bfad_itnim_s   *itnim = itnim_data->itnim;
	struct bfad_s         *bfad = itnim->im->bfad;
	uint16_t path_tov = bfa_fcpim_path_tov_get(&bfad->bfa);

	rport->dev_loss_tmo = timeout;
	if (timeout < path_tov)
		rport->dev_loss_tmo = path_tov + 1;
}

static int
bfad_im_vport_create(struct fc_vport *fc_vport, bool disable)
{
	char *vname = fc_vport->symbolic_name;
	struct Scsi_Host *shost = fc_vport->shost;
	struct bfad_im_port_s *im_port =
		(struct bfad_im_port_s *) shost->hostdata[0];
	struct bfad_s *bfad = im_port->bfad;
	struct bfa_lport_cfg_s port_cfg;
	struct bfad_vport_s *vp;
	int status = 0, rc;
	unsigned long flags;

	memset(&port_cfg, 0, sizeof(port_cfg));
	u64_to_wwn(fc_vport->node_name, (u8 *)&port_cfg.nwwn);
	u64_to_wwn(fc_vport->port_name, (u8 *)&port_cfg.pwwn);
	if (strlen(vname) > 0)
		strcpy((char *)&port_cfg.sym_name, vname);
	port_cfg.roles = BFA_LPORT_ROLE_FCP_IM;

	spin_lock_irqsave(&bfad->bfad_lock, flags);
	list_for_each_entry(vp, &bfad->pbc_vport_list, list_entry) {
		if (port_cfg.pwwn ==
				vp->fcs_vport.lport.port_cfg.pwwn) {
			port_cfg.preboot_vp =
				vp->fcs_vport.lport.port_cfg.preboot_vp;
			break;
		}
	}
	spin_unlock_irqrestore(&bfad->bfad_lock, flags);

	rc = bfad_vport_create(bfad, 0, &port_cfg, &fc_vport->dev);
	if (rc == BFA_STATUS_OK) {
		struct bfad_vport_s *vport;
		struct bfa_fcs_vport_s *fcs_vport;
		struct Scsi_Host *vshost;

		spin_lock_irqsave(&bfad->bfad_lock, flags);
		fcs_vport = bfa_fcs_vport_lookup(&bfad->bfa_fcs, 0,
					port_cfg.pwwn);
		spin_unlock_irqrestore(&bfad->bfad_lock, flags);
		if (fcs_vport == NULL)
			return VPCERR_BAD_WWN;

		fc_vport_set_state(fc_vport, FC_VPORT_ACTIVE);
		if (disable) {
			spin_lock_irqsave(&bfad->bfad_lock, flags);
			bfa_fcs_vport_stop(fcs_vport);
			spin_unlock_irqrestore(&bfad->bfad_lock, flags);
			fc_vport_set_state(fc_vport, FC_VPORT_DISABLED);
		}

		vport = fcs_vport->vport_drv;
		vshost = vport->drv_port.im_port->shost;
		fc_host_node_name(vshost) = wwn_to_u64((u8 *)&port_cfg.nwwn);
		fc_host_port_name(vshost) = wwn_to_u64((u8 *)&port_cfg.pwwn);
		fc_host_supported_classes(vshost) = FC_COS_CLASS3;

		memset(fc_host_supported_fc4s(vshost), 0,
			sizeof(fc_host_supported_fc4s(vshost)));

		/* For FCP type 0x08 */
		if (supported_fc4s & BFA_LPORT_ROLE_FCP_IM)
			fc_host_supported_fc4s(vshost)[2] = 1;

		/* For fibre channel services type 0x20 */
		fc_host_supported_fc4s(vshost)[7] = 1;

		fc_host_supported_speeds(vshost) =
				bfad_im_supported_speeds(&bfad->bfa);
		fc_host_maxframe_size(vshost) =
				bfa_fcport_get_maxfrsize(&bfad->bfa);

		fc_vport->dd_data = vport;
		vport->drv_port.im_port->fc_vport = fc_vport;
	} else if (rc == BFA_STATUS_INVALID_WWN)
		return VPCERR_BAD_WWN;
	else if (rc == BFA_STATUS_VPORT_EXISTS)
		return VPCERR_BAD_WWN;
	else if (rc == BFA_STATUS_VPORT_MAX)
		return VPCERR_NO_FABRIC_SUPP;
	else if (rc == BFA_STATUS_VPORT_WWN_BP)
		return VPCERR_BAD_WWN;
	else
		return FC_VPORT_FAILED;

	return status;
}

int
bfad_im_issue_fc_host_lip(struct Scsi_Host *shost)
{
	struct bfad_im_port_s *im_port =
			(struct bfad_im_port_s *) shost->hostdata[0];
	struct bfad_s *bfad = im_port->bfad;
	struct bfad_hal_comp fcomp;
	unsigned long flags;
	uint32_t status;

	init_completion(&fcomp.comp);
	spin_lock_irqsave(&bfad->bfad_lock, flags);
	status = bfa_port_disable(&bfad->bfa.modules.port,
					bfad_hcb_comp, &fcomp);
	spin_unlock_irqrestore(&bfad->bfad_lock, flags);

	if (status != BFA_STATUS_OK)
		return -EIO;

	wait_for_completion(&fcomp.comp);
	if (fcomp.status != BFA_STATUS_OK)
		return -EIO;

	spin_lock_irqsave(&bfad->bfad_lock, flags);
	status = bfa_port_enable(&bfad->bfa.modules.port,
					bfad_hcb_comp, &fcomp);
	spin_unlock_irqrestore(&bfad->bfad_lock, flags);
	if (status != BFA_STATUS_OK)
		return -EIO;

	wait_for_completion(&fcomp.comp);
	if (fcomp.status != BFA_STATUS_OK)
		return -EIO;

	return 0;
}

static int
bfad_im_vport_delete(struct fc_vport *fc_vport)
{
	struct bfad_vport_s *vport = (struct bfad_vport_s *)fc_vport->dd_data;
	struct bfad_im_port_s *im_port =
			(struct bfad_im_port_s *) vport->drv_port.im_port;
	struct bfad_s *bfad = im_port->bfad;
	struct bfad_port_s *port;
	struct bfa_fcs_vport_s *fcs_vport;
	struct Scsi_Host *vshost;
	wwn_t   pwwn;
	int rc;
	unsigned long flags;
	struct completion fcomp;

	if (im_port->flags & BFAD_PORT_DELETE) {
		bfad_scsi_host_free(bfad, im_port);
		list_del(&vport->list_entry);
		kfree(vport);
		return 0;
	}

	port = im_port->port;

	vshost = vport->drv_port.im_port->shost;
	u64_to_wwn(fc_host_port_name(vshost), (u8 *)&pwwn);

	spin_lock_irqsave(&bfad->bfad_lock, flags);
	fcs_vport = bfa_fcs_vport_lookup(&bfad->bfa_fcs, 0, pwwn);
	spin_unlock_irqrestore(&bfad->bfad_lock, flags);

	if (fcs_vport == NULL)
		return VPCERR_BAD_WWN;

	vport->drv_port.flags |= BFAD_PORT_DELETE;

	vport->comp_del = &fcomp;
	init_completion(vport->comp_del);

	spin_lock_irqsave(&bfad->bfad_lock, flags);
	rc = bfa_fcs_vport_delete(&vport->fcs_vport);
	spin_unlock_irqrestore(&bfad->bfad_lock, flags);

	if (rc == BFA_STATUS_PBC) {
		vport->drv_port.flags &= ~BFAD_PORT_DELETE;
		vport->comp_del = NULL;
		return -1;
	}

	wait_for_completion(vport->comp_del);

	bfad_scsi_host_free(bfad, im_port);
	list_del(&vport->list_entry);
	kfree(vport);

	return 0;
}

static int
bfad_im_vport_disable(struct fc_vport *fc_vport, bool disable)
{
	struct bfad_vport_s *vport;
	struct bfad_s *bfad;
	struct bfa_fcs_vport_s *fcs_vport;
	struct Scsi_Host *vshost;
	wwn_t   pwwn;
	unsigned long flags;

	vport = (struct bfad_vport_s *)fc_vport->dd_data;
	bfad = vport->drv_port.bfad;
	vshost = vport->drv_port.im_port->shost;
	u64_to_wwn(fc_host_port_name(vshost), (u8 *)&pwwn);

	spin_lock_irqsave(&bfad->bfad_lock, flags);
	fcs_vport = bfa_fcs_vport_lookup(&bfad->bfa_fcs, 0, pwwn);
	spin_unlock_irqrestore(&bfad->bfad_lock, flags);

	if (fcs_vport == NULL)
		return VPCERR_BAD_WWN;

	if (disable) {
		bfa_fcs_vport_stop(fcs_vport);
		fc_vport_set_state(fc_vport, FC_VPORT_DISABLED);
	} else {
		bfa_fcs_vport_start(fcs_vport);
		fc_vport_set_state(fc_vport, FC_VPORT_ACTIVE);
	}

	return 0;
}

void
bfad_im_vport_set_symbolic_name(struct fc_vport *fc_vport)
{
	struct bfad_vport_s *vport = (struct bfad_vport_s *)fc_vport->dd_data;
	struct bfad_im_port_s *im_port =
			(struct bfad_im_port_s *)vport->drv_port.im_port;
	struct bfad_s *bfad = im_port->bfad;
	struct Scsi_Host *vshost = vport->drv_port.im_port->shost;
	char *sym_name = fc_vport->symbolic_name;
	struct bfa_fcs_vport_s *fcs_vport;
	wwn_t	pwwn;
	unsigned long flags;

	u64_to_wwn(fc_host_port_name(vshost), (u8 *)&pwwn);

	spin_lock_irqsave(&bfad->bfad_lock, flags);
	fcs_vport = bfa_fcs_vport_lookup(&bfad->bfa_fcs, 0, pwwn);
	spin_unlock_irqrestore(&bfad->bfad_lock, flags);

	if (fcs_vport == NULL)
		return;

	spin_lock_irqsave(&bfad->bfad_lock, flags);
	if (strlen(sym_name) > 0)
		bfa_fcs_lport_set_symname(&fcs_vport->lport, sym_name);
	spin_unlock_irqrestore(&bfad->bfad_lock, flags);
}

struct fc_function_template bfad_im_fc_function_template = {

	/* Target dynamic attributes */
	.get_starget_port_id = bfad_im_get_starget_port_id,
	.show_starget_port_id = 1,
	.get_starget_node_name = bfad_im_get_starget_node_name,
	.show_starget_node_name = 1,
	.get_starget_port_name = bfad_im_get_starget_port_name,
	.show_starget_port_name = 1,

	/* Host dynamic attribute */
	.get_host_port_id = bfad_im_get_host_port_id,
	.show_host_port_id = 1,

	/* Host fixed attributes */
	.show_host_node_name = 1,
	.show_host_port_name = 1,
	.show_host_supported_classes = 1,
	.show_host_supported_fc4s = 1,
	.show_host_supported_speeds = 1,
	.show_host_maxframe_size = 1,

	/* More host dynamic attributes */
	.show_host_port_type = 1,
	.get_host_port_type = bfad_im_get_host_port_type,
	.show_host_port_state = 1,
	.get_host_port_state = bfad_im_get_host_port_state,
	.show_host_active_fc4s = 1,
	.get_host_active_fc4s = bfad_im_get_host_active_fc4s,
	.show_host_speed = 1,
	.get_host_speed = bfad_im_get_host_speed,
	.show_host_fabric_name = 1,
	.get_host_fabric_name = bfad_im_get_host_fabric_name,

	.show_host_symbolic_name = 1,

	/* Statistics */
	.get_fc_host_stats = bfad_im_get_stats,
	.reset_fc_host_stats = bfad_im_reset_stats,

	/* Allocation length for host specific data */
	.dd_fcrport_size = sizeof(struct bfad_itnim_data_s *),

	/* Remote port fixed attributes */
	.show_rport_maxframe_size = 1,
	.show_rport_supported_classes = 1,
	.show_rport_dev_loss_tmo = 1,
	.set_rport_dev_loss_tmo = bfad_im_set_rport_loss_tmo,
	.issue_fc_host_lip = bfad_im_issue_fc_host_lip,
	.vport_create = bfad_im_vport_create,
	.vport_delete = bfad_im_vport_delete,
	.vport_disable = bfad_im_vport_disable,
	.set_vport_symbolic_name = bfad_im_vport_set_symbolic_name,
	.bsg_request = bfad_im_bsg_request,
	.bsg_timeout = bfad_im_bsg_timeout,
};

struct fc_function_template bfad_im_vport_fc_function_template = {

	/* Target dynamic attributes */
	.get_starget_port_id = bfad_im_get_starget_port_id,
	.show_starget_port_id = 1,
	.get_starget_node_name = bfad_im_get_starget_node_name,
	.show_starget_node_name = 1,
	.get_starget_port_name = bfad_im_get_starget_port_name,
	.show_starget_port_name = 1,

	/* Host dynamic attribute */
	.get_host_port_id = bfad_im_get_host_port_id,
	.show_host_port_id = 1,

	/* Host fixed attributes */
	.show_host_node_name = 1,
	.show_host_port_name = 1,
	.show_host_supported_classes = 1,
	.show_host_supported_fc4s = 1,
	.show_host_supported_speeds = 1,
	.show_host_maxframe_size = 1,

	/* More host dynamic attributes */
	.show_host_port_type = 1,
	.get_host_port_type = bfad_im_get_host_port_type,
	.show_host_port_state = 1,
	.get_host_port_state = bfad_im_get_host_port_state,
	.show_host_active_fc4s = 1,
	.get_host_active_fc4s = bfad_im_get_host_active_fc4s,
	.show_host_speed = 1,
	.get_host_speed = bfad_im_get_host_speed,
	.show_host_fabric_name = 1,
	.get_host_fabric_name = bfad_im_get_host_fabric_name,

	.show_host_symbolic_name = 1,

	/* Statistics */
	.get_fc_host_stats = bfad_im_get_stats,
	.reset_fc_host_stats = bfad_im_reset_stats,

	/* Allocation length for host specific data */
	.dd_fcrport_size = sizeof(struct bfad_itnim_data_s *),

	/* Remote port fixed attributes */
	.show_rport_maxframe_size = 1,
	.show_rport_supported_classes = 1,
	.show_rport_dev_loss_tmo = 1,
	.set_rport_dev_loss_tmo = bfad_im_set_rport_loss_tmo,
};

/*
 *  Scsi_Host_attrs SCSI host attributes
 */
static ssize_t
bfad_im_serial_num_show(struct device *dev, struct device_attribute *attr,
			 char *buf)
{
	struct Scsi_Host *shost = class_to_shost(dev);
	struct bfad_im_port_s *im_port =
			(struct bfad_im_port_s *) shost->hostdata[0];
	struct bfad_s *bfad = im_port->bfad;
	char serial_num[BFA_ADAPTER_SERIAL_NUM_LEN];

	bfa_get_adapter_serial_num(&bfad->bfa, serial_num);
	return snprintf(buf, PAGE_SIZE, "%s\n", serial_num);
}

static ssize_t
bfad_im_model_show(struct device *dev, struct device_attribute *attr,
			char *buf)
{
	struct Scsi_Host *shost = class_to_shost(dev);
	struct bfad_im_port_s *im_port =
			(struct bfad_im_port_s *) shost->hostdata[0];
	struct bfad_s *bfad = im_port->bfad;
	char model[BFA_ADAPTER_MODEL_NAME_LEN];

	bfa_get_adapter_model(&bfad->bfa, model);
	return snprintf(buf, PAGE_SIZE, "%s\n", model);
}

static ssize_t
bfad_im_model_desc_show(struct device *dev, struct device_attribute *attr,
				 char *buf)
{
	struct Scsi_Host *shost = class_to_shost(dev);
	struct bfad_im_port_s *im_port =
			(struct bfad_im_port_s *) shost->hostdata[0];
	struct bfad_s *bfad = im_port->bfad;
	char model[BFA_ADAPTER_MODEL_NAME_LEN];
	char model_descr[BFA_ADAPTER_MODEL_DESCR_LEN];
	int nports = 0;

	bfa_get_adapter_model(&bfad->bfa, model);
	nports = bfa_get_nports(&bfad->bfa);
	if (!strcmp(model, "QLogic-425"))
		snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
			"QLogic BR-series 4Gbps PCIe dual port FC HBA");
	else if (!strcmp(model, "QLogic-825"))
		snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
			"QLogic BR-series 8Gbps PCIe dual port FC HBA");
	else if (!strcmp(model, "QLogic-42B"))
		snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
			"QLogic BR-series 4Gbps PCIe dual port FC HBA for HP");
	else if (!strcmp(model, "QLogic-82B"))
		snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
			"QLogic BR-series 8Gbps PCIe dual port FC HBA for HP");
	else if (!strcmp(model, "QLogic-1010"))
		snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
			"QLogic BR-series 10Gbps single port CNA");
	else if (!strcmp(model, "QLogic-1020"))
		snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
			"QLogic BR-series 10Gbps dual port CNA");
	else if (!strcmp(model, "QLogic-1007"))
		snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
			"QLogic BR-series 10Gbps CNA for IBM Blade Center");
	else if (!strcmp(model, "QLogic-415"))
		snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
			"QLogic BR-series 4Gbps PCIe single port FC HBA");
	else if (!strcmp(model, "QLogic-815"))
		snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
			"QLogic BR-series 8Gbps PCIe single port FC HBA");
	else if (!strcmp(model, "QLogic-41B"))
		snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
			"QLogic BR-series 4Gbps PCIe single port FC HBA for HP");
	else if (!strcmp(model, "QLogic-81B"))
		snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
			"QLogic BR-series 8Gbps PCIe single port FC HBA for HP");
	else if (!strcmp(model, "QLogic-804"))
		snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
			"QLogic BR-series 8Gbps FC HBA for HP Bladesystem C-class");
	else if (!strcmp(model, "QLogic-1741"))
		snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
			"QLogic BR-series 10Gbps CNA for Dell M-Series Blade Servers");
	else if (strstr(model, "QLogic-1860")) {
		if (nports == 1 && bfa_ioc_is_cna(&bfad->bfa.ioc))
			snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
				"QLogic BR-series 10Gbps single port CNA");
		else if (nports == 1 && !bfa_ioc_is_cna(&bfad->bfa.ioc))
			snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
				"QLogic BR-series 16Gbps PCIe single port FC HBA");
		else if (nports == 2 && bfa_ioc_is_cna(&bfad->bfa.ioc))
			snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
				"QLogic BR-series 10Gbps dual port CNA");
		else if (nports == 2 && !bfa_ioc_is_cna(&bfad->bfa.ioc))
			snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
				"QLogic BR-series 16Gbps PCIe dual port FC HBA");
	} else if (!strcmp(model, "QLogic-1867")) {
		if (nports == 1 && !bfa_ioc_is_cna(&bfad->bfa.ioc))
			snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
				"QLogic BR-series 16Gbps PCIe single port FC HBA for IBM");
		else if (nports == 2 && !bfa_ioc_is_cna(&bfad->bfa.ioc))
			snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
				"QLogic BR-series 16Gbps PCIe dual port FC HBA for IBM");
	} else
		snprintf(model_descr, BFA_ADAPTER_MODEL_DESCR_LEN,
			"Invalid Model");

	return snprintf(buf, PAGE_SIZE, "%s\n", model_descr);
}

static ssize_t
bfad_im_node_name_show(struct device *dev, struct device_attribute *attr,
				 char *buf)
{
	struct Scsi_Host *shost = class_to_shost(dev);
	struct bfad_im_port_s *im_port =
			(struct bfad_im_port_s *) shost->hostdata[0];
	struct bfad_port_s    *port = im_port->port;
	u64        nwwn;

	nwwn = bfa_fcs_lport_get_nwwn(port->fcs_port);
	return snprintf(buf, PAGE_SIZE, "0x%llx\n", cpu_to_be64(nwwn));
}

static ssize_t
bfad_im_symbolic_name_show(struct device *dev, struct device_attribute *attr,
				 char *buf)
{
	struct Scsi_Host *shost = class_to_shost(dev);
	struct bfad_im_port_s *im_port =
			(struct bfad_im_port_s *) shost->hostdata[0];
	struct bfad_s *bfad = im_port->bfad;
	struct bfa_lport_attr_s port_attr;
	char symname[BFA_SYMNAME_MAXLEN];

	bfa_fcs_lport_get_attr(&bfad->bfa_fcs.fabric.bport, &port_attr);
	strncpy(symname, port_attr.port_cfg.sym_name.symname,
			BFA_SYMNAME_MAXLEN);
	return snprintf(buf, PAGE_SIZE, "%s\n", symname);
}

static ssize_t
bfad_im_hw_version_show(struct device *dev, struct device_attribute *attr,
				char *buf)
{
	struct Scsi_Host *shost = class_to_shost(dev);
	struct bfad_im_port_s *im_port =
			(struct bfad_im_port_s *) shost->hostdata[0];
	struct bfad_s *bfad = im_port->bfad;
	char hw_ver[BFA_VERSION_LEN];

	bfa_get_pci_chip_rev(&bfad->bfa, hw_ver);
	return snprintf(buf, PAGE_SIZE, "%s\n", hw_ver);
}

static ssize_t
bfad_im_drv_version_show(struct device *dev, struct device_attribute *attr,
				char *buf)
{
	return snprintf(buf, PAGE_SIZE, "%s\n", BFAD_DRIVER_VERSION);
}

static ssize_t
bfad_im_optionrom_version_show(struct device *dev,
			 struct device_attribute *attr, char *buf)
{
	struct Scsi_Host *shost = class_to_shost(dev);
	struct bfad_im_port_s *im_port =
			(struct bfad_im_port_s *) shost->hostdata[0];
	struct bfad_s *bfad = im_port->bfad;
	char optrom_ver[BFA_VERSION_LEN];

	bfa_get_adapter_optrom_ver(&bfad->bfa, optrom_ver);
	return snprintf(buf, PAGE_SIZE, "%s\n", optrom_ver);
}

static ssize_t
bfad_im_fw_version_show(struct device *dev, struct device_attribute *attr,
				 char *buf)
{
	struct Scsi_Host *shost = class_to_shost(dev);
	struct bfad_im_port_s *im_port =
			(struct bfad_im_port_s *) shost->hostdata[0];
	struct bfad_s *bfad = im_port->bfad;
	char fw_ver[BFA_VERSION_LEN];

	bfa_get_adapter_fw_ver(&bfad->bfa, fw_ver);
	return snprintf(buf, PAGE_SIZE, "%s\n", fw_ver);
}

static ssize_t
bfad_im_num_of_ports_show(struct device *dev, struct device_attribute *attr,
				char *buf)
{
	struct Scsi_Host *shost = class_to_shost(dev);
	struct bfad_im_port_s *im_port =
			(struct bfad_im_port_s *) shost->hostdata[0];
	struct bfad_s *bfad = im_port->bfad;

	return snprintf(buf, PAGE_SIZE, "%d\n",
			bfa_get_nports(&bfad->bfa));
}

static ssize_t
bfad_im_drv_name_show(struct device *dev, struct device_attribute *attr,
				char *buf)
{
	return snprintf(buf, PAGE_SIZE, "%s\n", BFAD_DRIVER_NAME);
}

static ssize_t
bfad_im_num_of_discovered_ports_show(struct device *dev,
			struct device_attribute *attr, char *buf)
{
	struct Scsi_Host *shost = class_to_shost(dev);
	struct bfad_im_port_s *im_port =
			(struct bfad_im_port_s *) shost->hostdata[0];
	struct bfad_port_s    *port = im_port->port;
	struct bfad_s         *bfad = im_port->bfad;
	int        nrports = 2048;
	struct bfa_rport_qualifier_s *rports = NULL;
	unsigned long   flags;

	rports = kzalloc(sizeof(struct bfa_rport_qualifier_s) * nrports,
			 GFP_ATOMIC);
	if (rports == NULL)
		return snprintf(buf, PAGE_SIZE, "Failed\n");

	spin_lock_irqsave(&bfad->bfad_lock, flags);
	bfa_fcs_lport_get_rport_quals(port->fcs_port, rports, &nrports);
	spin_unlock_irqrestore(&bfad->bfad_lock, flags);
	kfree(rports);

	return snprintf(buf, PAGE_SIZE, "%d\n", nrports);
}

static          DEVICE_ATTR(serial_number, S_IRUGO,
				bfad_im_serial_num_show, NULL);
static          DEVICE_ATTR(model, S_IRUGO, bfad_im_model_show, NULL);
static          DEVICE_ATTR(model_description, S_IRUGO,
				bfad_im_model_desc_show, NULL);
static          DEVICE_ATTR(node_name, S_IRUGO, bfad_im_node_name_show, NULL);
static          DEVICE_ATTR(symbolic_name, S_IRUGO,
				bfad_im_symbolic_name_show, NULL);
static          DEVICE_ATTR(hardware_version, S_IRUGO,
				bfad_im_hw_version_show, NULL);
static          DEVICE_ATTR(driver_version, S_IRUGO,
				bfad_im_drv_version_show, NULL);
static          DEVICE_ATTR(option_rom_version, S_IRUGO,
				bfad_im_optionrom_version_show, NULL);
static          DEVICE_ATTR(firmware_version, S_IRUGO,
				bfad_im_fw_version_show, NULL);
static          DEVICE_ATTR(number_of_ports, S_IRUGO,
				bfad_im_num_of_ports_show, NULL);
static          DEVICE_ATTR(driver_name, S_IRUGO, bfad_im_drv_name_show, NULL);
static          DEVICE_ATTR(number_of_discovered_ports, S_IRUGO,
				bfad_im_num_of_discovered_ports_show, NULL);

struct device_attribute *bfad_im_host_attrs[] = {
	&dev_attr_serial_number,
	&dev_attr_model,
	&dev_attr_model_description,
	&dev_attr_node_name,
	&dev_attr_symbolic_name,
	&dev_attr_hardware_version,
	&dev_attr_driver_version,
	&dev_attr_option_rom_version,
	&dev_attr_firmware_version,
	&dev_attr_number_of_ports,
	&dev_attr_driver_name,
	&dev_attr_number_of_discovered_ports,
	NULL,
};

struct device_attribute *bfad_im_vport_attrs[] = {
	&dev_attr_serial_number,
	&dev_attr_model,
	&dev_attr_model_description,
	&dev_attr_node_name,
	&dev_attr_symbolic_name,
	&dev_attr_hardware_version,
	&dev_attr_driver_version,
	&dev_attr_option_rom_version,
	&dev_attr_firmware_version,
	&dev_attr_number_of_ports,
	&dev_attr_driver_name,
	&dev_attr_number_of_discovered_ports,
	NULL,
};


OpenPOWER on IntegriCloud