summaryrefslogtreecommitdiff
path: root/drivers/scsi/bfa/bfa_port.c
blob: 079bc77f4102665beddb004323ce16a99f2053c0 (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
/*
 * 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.
 */

#include "bfad_drv.h"
#include "bfa_defs_svc.h"
#include "bfa_port.h"
#include "bfi.h"
#include "bfa_ioc.h"


BFA_TRC_FILE(CNA, PORT);

static void
bfa_port_stats_swap(struct bfa_port_s *port, union bfa_port_stats_u *stats)
{
	u32    *dip = (u32 *) stats;
	__be32    t0, t1;
	int	    i;

	for (i = 0; i < sizeof(union bfa_port_stats_u)/sizeof(u32);
		i += 2) {
		t0 = dip[i];
		t1 = dip[i + 1];
#ifdef __BIG_ENDIAN
		dip[i] = be32_to_cpu(t0);
		dip[i + 1] = be32_to_cpu(t1);
#else
		dip[i] = be32_to_cpu(t1);
		dip[i + 1] = be32_to_cpu(t0);
#endif
	}
}

/*
 * bfa_port_enable_isr()
 *
 *
 * @param[in] port - Pointer to the port module
 *            status - Return status from the f/w
 *
 * @return void
 */
static void
bfa_port_enable_isr(struct bfa_port_s *port, bfa_status_t status)
{
	bfa_trc(port, status);
	port->endis_pending = BFA_FALSE;
	port->endis_cbfn(port->endis_cbarg, status);
}

/*
 * bfa_port_disable_isr()
 *
 *
 * @param[in] port - Pointer to the port module
 *            status - Return status from the f/w
 *
 * @return void
 */
static void
bfa_port_disable_isr(struct bfa_port_s *port, bfa_status_t status)
{
	bfa_trc(port, status);
	port->endis_pending = BFA_FALSE;
	port->endis_cbfn(port->endis_cbarg, status);
}

/*
 * bfa_port_get_stats_isr()
 *
 *
 * @param[in] port - Pointer to the Port module
 *            status - Return status from the f/w
 *
 * @return void
 */
static void
bfa_port_get_stats_isr(struct bfa_port_s *port, bfa_status_t status)
{
	port->stats_status = status;
	port->stats_busy = BFA_FALSE;

	if (status == BFA_STATUS_OK) {
		memcpy(port->stats, port->stats_dma.kva,
		       sizeof(union bfa_port_stats_u));
		bfa_port_stats_swap(port, port->stats);

		port->stats->fc.secs_reset = ktime_get_seconds() - port->stats_reset_time;
	}

	if (port->stats_cbfn) {
		port->stats_cbfn(port->stats_cbarg, status);
		port->stats_cbfn = NULL;
	}
}

/*
 * bfa_port_clear_stats_isr()
 *
 *
 * @param[in] port - Pointer to the Port module
 *            status - Return status from the f/w
 *
 * @return void
 */
static void
bfa_port_clear_stats_isr(struct bfa_port_s *port, bfa_status_t status)
{
	port->stats_status = status;
	port->stats_busy   = BFA_FALSE;

	/*
	* re-initialize time stamp for stats reset
	*/
	port->stats_reset_time = ktime_get_seconds();

	if (port->stats_cbfn) {
		port->stats_cbfn(port->stats_cbarg, status);
		port->stats_cbfn = NULL;
	}
}

/*
 * bfa_port_isr()
 *
 *
 * @param[in] Pointer to the Port module data structure.
 *
 * @return void
 */
static void
bfa_port_isr(void *cbarg, struct bfi_mbmsg_s *m)
{
	struct bfa_port_s *port = (struct bfa_port_s *) cbarg;
	union bfi_port_i2h_msg_u *i2hmsg;

	i2hmsg = (union bfi_port_i2h_msg_u *) m;
	bfa_trc(port, m->mh.msg_id);

	switch (m->mh.msg_id) {
	case BFI_PORT_I2H_ENABLE_RSP:
		if (port->endis_pending == BFA_FALSE)
			break;
		bfa_port_enable_isr(port, i2hmsg->enable_rsp.status);
		break;

	case BFI_PORT_I2H_DISABLE_RSP:
		if (port->endis_pending == BFA_FALSE)
			break;
		bfa_port_disable_isr(port, i2hmsg->disable_rsp.status);
		break;

	case BFI_PORT_I2H_GET_STATS_RSP:
		/* Stats busy flag is still set? (may be cmd timed out) */
		if (port->stats_busy == BFA_FALSE)
			break;
		bfa_port_get_stats_isr(port, i2hmsg->getstats_rsp.status);
		break;

	case BFI_PORT_I2H_CLEAR_STATS_RSP:
		if (port->stats_busy == BFA_FALSE)
			break;
		bfa_port_clear_stats_isr(port, i2hmsg->clearstats_rsp.status);
		break;

	default:
		WARN_ON(1);
	}
}

/*
 * bfa_port_meminfo()
 *
 *
 * @param[in] void
 *
 * @return Size of DMA region
 */
u32
bfa_port_meminfo(void)
{
	return BFA_ROUNDUP(sizeof(union bfa_port_stats_u), BFA_DMA_ALIGN_SZ);
}

/*
 * bfa_port_mem_claim()
 *
 *
 * @param[in] port Port module pointer
 *	      dma_kva Kernel Virtual Address of Port DMA Memory
 *	      dma_pa  Physical Address of Port DMA Memory
 *
 * @return void
 */
void
bfa_port_mem_claim(struct bfa_port_s *port, u8 *dma_kva, u64 dma_pa)
{
	port->stats_dma.kva = dma_kva;
	port->stats_dma.pa  = dma_pa;
}

/*
 * bfa_port_enable()
 *
 *   Send the Port enable request to the f/w
 *
 * @param[in] Pointer to the Port module data structure.
 *
 * @return Status
 */
bfa_status_t
bfa_port_enable(struct bfa_port_s *port, bfa_port_endis_cbfn_t cbfn,
		 void *cbarg)
{
	struct bfi_port_generic_req_s *m;

	/* If port is PBC disabled, return error */
	if (port->pbc_disabled) {
		bfa_trc(port, BFA_STATUS_PBC);
		return BFA_STATUS_PBC;
	}

	if (bfa_ioc_is_disabled(port->ioc)) {
		bfa_trc(port, BFA_STATUS_IOC_DISABLED);
		return BFA_STATUS_IOC_DISABLED;
	}

	if (!bfa_ioc_is_operational(port->ioc)) {
		bfa_trc(port, BFA_STATUS_IOC_FAILURE);
		return BFA_STATUS_IOC_FAILURE;
	}

	/* if port is d-port enabled, return error */
	if (port->dport_enabled) {
		bfa_trc(port, BFA_STATUS_DPORT_ERR);
		return BFA_STATUS_DPORT_ERR;
	}

	if (port->endis_pending) {
		bfa_trc(port, BFA_STATUS_DEVBUSY);
		return BFA_STATUS_DEVBUSY;
	}

	m = (struct bfi_port_generic_req_s *) port->endis_mb.msg;

	port->msgtag++;
	port->endis_cbfn    = cbfn;
	port->endis_cbarg   = cbarg;
	port->endis_pending = BFA_TRUE;

	bfi_h2i_set(m->mh, BFI_MC_PORT, BFI_PORT_H2I_ENABLE_REQ,
		    bfa_ioc_portid(port->ioc));
	bfa_ioc_mbox_queue(port->ioc, &port->endis_mb);

	return BFA_STATUS_OK;
}

/*
 * bfa_port_disable()
 *
 *   Send the Port disable request to the f/w
 *
 * @param[in] Pointer to the Port module data structure.
 *
 * @return Status
 */
bfa_status_t
bfa_port_disable(struct bfa_port_s *port, bfa_port_endis_cbfn_t cbfn,
		  void *cbarg)
{
	struct bfi_port_generic_req_s *m;

	/* If port is PBC disabled, return error */
	if (port->pbc_disabled) {
		bfa_trc(port, BFA_STATUS_PBC);
		return BFA_STATUS_PBC;
	}

	if (bfa_ioc_is_disabled(port->ioc)) {
		bfa_trc(port, BFA_STATUS_IOC_DISABLED);
		return BFA_STATUS_IOC_DISABLED;
	}

	if (!bfa_ioc_is_operational(port->ioc)) {
		bfa_trc(port, BFA_STATUS_IOC_FAILURE);
		return BFA_STATUS_IOC_FAILURE;
	}

	/* if port is d-port enabled, return error */
	if (port->dport_enabled) {
		bfa_trc(port, BFA_STATUS_DPORT_ERR);
		return BFA_STATUS_DPORT_ERR;
	}

	if (port->endis_pending) {
		bfa_trc(port, BFA_STATUS_DEVBUSY);
		return BFA_STATUS_DEVBUSY;
	}

	m = (struct bfi_port_generic_req_s *) port->endis_mb.msg;

	port->msgtag++;
	port->endis_cbfn    = cbfn;
	port->endis_cbarg   = cbarg;
	port->endis_pending = BFA_TRUE;

	bfi_h2i_set(m->mh, BFI_MC_PORT, BFI_PORT_H2I_DISABLE_REQ,
		    bfa_ioc_portid(port->ioc));
	bfa_ioc_mbox_queue(port->ioc, &port->endis_mb);

	return BFA_STATUS_OK;
}

/*
 * bfa_port_get_stats()
 *
 *   Send the request to the f/w to fetch Port statistics.
 *
 * @param[in] Pointer to the Port module data structure.
 *
 * @return Status
 */
bfa_status_t
bfa_port_get_stats(struct bfa_port_s *port, union bfa_port_stats_u *stats,
		    bfa_port_stats_cbfn_t cbfn, void *cbarg)
{
	struct bfi_port_get_stats_req_s *m;

	if (!bfa_ioc_is_operational(port->ioc)) {
		bfa_trc(port, BFA_STATUS_IOC_FAILURE);
		return BFA_STATUS_IOC_FAILURE;
	}

	if (port->stats_busy) {
		bfa_trc(port, BFA_STATUS_DEVBUSY);
		return BFA_STATUS_DEVBUSY;
	}

	m = (struct bfi_port_get_stats_req_s *) port->stats_mb.msg;

	port->stats	  = stats;
	port->stats_cbfn  = cbfn;
	port->stats_cbarg = cbarg;
	port->stats_busy  = BFA_TRUE;
	bfa_dma_be_addr_set(m->dma_addr, port->stats_dma.pa);

	bfi_h2i_set(m->mh, BFI_MC_PORT, BFI_PORT_H2I_GET_STATS_REQ,
		    bfa_ioc_portid(port->ioc));
	bfa_ioc_mbox_queue(port->ioc, &port->stats_mb);

	return BFA_STATUS_OK;
}

/*
 * bfa_port_clear_stats()
 *
 *
 * @param[in] Pointer to the Port module data structure.
 *
 * @return Status
 */
bfa_status_t
bfa_port_clear_stats(struct bfa_port_s *port, bfa_port_stats_cbfn_t cbfn,
		      void *cbarg)
{
	struct bfi_port_generic_req_s *m;

	if (!bfa_ioc_is_operational(port->ioc)) {
		bfa_trc(port, BFA_STATUS_IOC_FAILURE);
		return BFA_STATUS_IOC_FAILURE;
	}

	if (port->stats_busy) {
		bfa_trc(port, BFA_STATUS_DEVBUSY);
		return BFA_STATUS_DEVBUSY;
	}

	m = (struct bfi_port_generic_req_s *) port->stats_mb.msg;

	port->stats_cbfn  = cbfn;
	port->stats_cbarg = cbarg;
	port->stats_busy  = BFA_TRUE;

	bfi_h2i_set(m->mh, BFI_MC_PORT, BFI_PORT_H2I_CLEAR_STATS_REQ,
		    bfa_ioc_portid(port->ioc));
	bfa_ioc_mbox_queue(port->ioc, &port->stats_mb);

	return BFA_STATUS_OK;
}

/*
 * bfa_port_notify()
 *
 * Port module IOC event handler
 *
 * @param[in] Pointer to the Port module data structure.
 * @param[in] IOC event structure
 *
 * @return void
 */
void
bfa_port_notify(void *arg, enum bfa_ioc_event_e event)
{
	struct bfa_port_s *port = (struct bfa_port_s *) arg;

	switch (event) {
	case BFA_IOC_E_DISABLED:
	case BFA_IOC_E_FAILED:
		/* Fail any pending get_stats/clear_stats requests */
		if (port->stats_busy) {
			if (port->stats_cbfn)
				port->stats_cbfn(port->stats_cbarg,
						BFA_STATUS_FAILED);
			port->stats_cbfn = NULL;
			port->stats_busy = BFA_FALSE;
		}

		/* Clear any enable/disable is pending */
		if (port->endis_pending) {
			if (port->endis_cbfn)
				port->endis_cbfn(port->endis_cbarg,
						BFA_STATUS_FAILED);
			port->endis_cbfn = NULL;
			port->endis_pending = BFA_FALSE;
		}

		/* clear D-port mode */
		if (port->dport_enabled)
			bfa_port_set_dportenabled(port, BFA_FALSE);
		break;
	default:
		break;
	}
}

/*
 * bfa_port_attach()
 *
 *
 * @param[in] port - Pointer to the Port module data structure
 *            ioc  - Pointer to the ioc module data structure
 *            dev  - Pointer to the device driver module data structure
 *                   The device driver specific mbox ISR functions have
 *                   this pointer as one of the parameters.
 *            trcmod -
 *
 * @return void
 */
void
bfa_port_attach(struct bfa_port_s *port, struct bfa_ioc_s *ioc,
		 void *dev, struct bfa_trc_mod_s *trcmod)
{
	WARN_ON(!port);

	port->dev    = dev;
	port->ioc    = ioc;
	port->trcmod = trcmod;

	port->stats_busy = BFA_FALSE;
	port->endis_pending = BFA_FALSE;
	port->stats_cbfn = NULL;
	port->endis_cbfn = NULL;
	port->pbc_disabled = BFA_FALSE;
	port->dport_enabled = BFA_FALSE;

	bfa_ioc_mbox_regisr(port->ioc, BFI_MC_PORT, bfa_port_isr, port);
	bfa_q_qe_init(&port->ioc_notify);
	bfa_ioc_notify_init(&port->ioc_notify, bfa_port_notify, port);
	list_add_tail(&port->ioc_notify.qe, &port->ioc->notify_q);

	/*
	 * initialize time stamp for stats reset
	 */
	port->stats_reset_time = ktime_get_seconds();

	bfa_trc(port, 0);
}

/*
 * bfa_port_set_dportenabled();
 *
 * Port module- set pbc disabled flag
 *
 * @param[in] port - Pointer to the Port module data structure
 *
 * @return void
 */
void
bfa_port_set_dportenabled(struct bfa_port_s *port, bfa_boolean_t enabled)
{
	port->dport_enabled = enabled;
}

/*
 *	CEE module specific definitions
 */

/*
 * bfa_cee_get_attr_isr()
 *
 * @brief CEE ISR for get-attributes responses from f/w
 *
 * @param[in] cee - Pointer to the CEE module
 *		    status - Return status from the f/w
 *
 * @return void
 */
static void
bfa_cee_get_attr_isr(struct bfa_cee_s *cee, bfa_status_t status)
{
	struct bfa_cee_lldp_cfg_s *lldp_cfg = &cee->attr->lldp_remote;

	cee->get_attr_status = status;
	bfa_trc(cee, 0);
	if (status == BFA_STATUS_OK) {
		bfa_trc(cee, 0);
		memcpy(cee->attr, cee->attr_dma.kva,
			sizeof(struct bfa_cee_attr_s));
		lldp_cfg->time_to_live = be16_to_cpu(lldp_cfg->time_to_live);
		lldp_cfg->enabled_system_cap =
				be16_to_cpu(lldp_cfg->enabled_system_cap);
	}
	cee->get_attr_pending = BFA_FALSE;
	if (cee->cbfn.get_attr_cbfn) {
		bfa_trc(cee, 0);
		cee->cbfn.get_attr_cbfn(cee->cbfn.get_attr_cbarg, status);
	}
}

/*
 * bfa_cee_get_stats_isr()
 *
 * @brief CEE ISR for get-stats responses from f/w
 *
 * @param[in] cee - Pointer to the CEE module
 *	      status - Return status from the f/w
 *
 * @return void
 */
static void
bfa_cee_get_stats_isr(struct bfa_cee_s *cee, bfa_status_t status)
{
	u32 *buffer;
	int i;

	cee->get_stats_status = status;
	bfa_trc(cee, 0);
	if (status == BFA_STATUS_OK) {
		bfa_trc(cee, 0);
		memcpy(cee->stats, cee->stats_dma.kva,
			sizeof(struct bfa_cee_stats_s));
		/* swap the cee stats */
		buffer = (u32 *)cee->stats;
		for (i = 0; i < (sizeof(struct bfa_cee_stats_s) /
				 sizeof(u32)); i++)
			buffer[i] = cpu_to_be32(buffer[i]);
	}
	cee->get_stats_pending = BFA_FALSE;
	bfa_trc(cee, 0);
	if (cee->cbfn.get_stats_cbfn) {
		bfa_trc(cee, 0);
		cee->cbfn.get_stats_cbfn(cee->cbfn.get_stats_cbarg, status);
	}
}

/*
 * bfa_cee_reset_stats_isr()
 *
 * @brief CEE ISR for reset-stats responses from f/w
 *
 * @param[in] cee - Pointer to the CEE module
 *            status - Return status from the f/w
 *
 * @return void
 */
static void
bfa_cee_reset_stats_isr(struct bfa_cee_s *cee, bfa_status_t status)
{
	cee->reset_stats_status = status;
	cee->reset_stats_pending = BFA_FALSE;
	if (cee->cbfn.reset_stats_cbfn)
		cee->cbfn.reset_stats_cbfn(cee->cbfn.reset_stats_cbarg, status);
}

/*
 * bfa_cee_meminfo()
 *
 * @brief Returns the size of the DMA memory needed by CEE module
 *
 * @param[in] void
 *
 * @return Size of DMA region
 */
u32
bfa_cee_meminfo(void)
{
	return BFA_ROUNDUP(sizeof(struct bfa_cee_attr_s), BFA_DMA_ALIGN_SZ) +
		BFA_ROUNDUP(sizeof(struct bfa_cee_stats_s), BFA_DMA_ALIGN_SZ);
}

/*
 * bfa_cee_mem_claim()
 *
 * @brief Initialized CEE DMA Memory
 *
 * @param[in] cee CEE module pointer
 *            dma_kva Kernel Virtual Address of CEE DMA Memory
 *            dma_pa  Physical Address of CEE DMA Memory
 *
 * @return void
 */
void
bfa_cee_mem_claim(struct bfa_cee_s *cee, u8 *dma_kva, u64 dma_pa)
{
	cee->attr_dma.kva = dma_kva;
	cee->attr_dma.pa = dma_pa;
	cee->stats_dma.kva = dma_kva + BFA_ROUNDUP(
			     sizeof(struct bfa_cee_attr_s), BFA_DMA_ALIGN_SZ);
	cee->stats_dma.pa = dma_pa + BFA_ROUNDUP(
			     sizeof(struct bfa_cee_attr_s), BFA_DMA_ALIGN_SZ);
	cee->attr = (struct bfa_cee_attr_s *) dma_kva;
	cee->stats = (struct bfa_cee_stats_s *) (dma_kva + BFA_ROUNDUP(
			sizeof(struct bfa_cee_attr_s), BFA_DMA_ALIGN_SZ));
}

/*
 * bfa_cee_get_attr()
 *
 * @brief
 *   Send the request to the f/w to fetch CEE attributes.
 *
 * @param[in] Pointer to the CEE module data structure.
 *
 * @return Status
 */

bfa_status_t
bfa_cee_get_attr(struct bfa_cee_s *cee, struct bfa_cee_attr_s *attr,
		 bfa_cee_get_attr_cbfn_t cbfn, void *cbarg)
{
	struct bfi_cee_get_req_s *cmd;

	WARN_ON((cee == NULL) || (cee->ioc == NULL));
	bfa_trc(cee, 0);
	if (!bfa_ioc_is_operational(cee->ioc)) {
		bfa_trc(cee, 0);
		return BFA_STATUS_IOC_FAILURE;
	}
	if (cee->get_attr_pending == BFA_TRUE) {
		bfa_trc(cee, 0);
		return  BFA_STATUS_DEVBUSY;
	}
	cee->get_attr_pending = BFA_TRUE;
	cmd = (struct bfi_cee_get_req_s *) cee->get_cfg_mb.msg;
	cee->attr = attr;
	cee->cbfn.get_attr_cbfn = cbfn;
	cee->cbfn.get_attr_cbarg = cbarg;
	bfi_h2i_set(cmd->mh, BFI_MC_CEE, BFI_CEE_H2I_GET_CFG_REQ,
		bfa_ioc_portid(cee->ioc));
	bfa_dma_be_addr_set(cmd->dma_addr, cee->attr_dma.pa);
	bfa_ioc_mbox_queue(cee->ioc, &cee->get_cfg_mb);

	return BFA_STATUS_OK;
}

/*
 * bfa_cee_get_stats()
 *
 * @brief
 *   Send the request to the f/w to fetch CEE statistics.
 *
 * @param[in] Pointer to the CEE module data structure.
 *
 * @return Status
 */

bfa_status_t
bfa_cee_get_stats(struct bfa_cee_s *cee, struct bfa_cee_stats_s *stats,
		  bfa_cee_get_stats_cbfn_t cbfn, void *cbarg)
{
	struct bfi_cee_get_req_s *cmd;

	WARN_ON((cee == NULL) || (cee->ioc == NULL));

	if (!bfa_ioc_is_operational(cee->ioc)) {
		bfa_trc(cee, 0);
		return BFA_STATUS_IOC_FAILURE;
	}
	if (cee->get_stats_pending == BFA_TRUE) {
		bfa_trc(cee, 0);
		return  BFA_STATUS_DEVBUSY;
	}
	cee->get_stats_pending = BFA_TRUE;
	cmd = (struct bfi_cee_get_req_s *) cee->get_stats_mb.msg;
	cee->stats = stats;
	cee->cbfn.get_stats_cbfn = cbfn;
	cee->cbfn.get_stats_cbarg = cbarg;
	bfi_h2i_set(cmd->mh, BFI_MC_CEE, BFI_CEE_H2I_GET_STATS_REQ,
		bfa_ioc_portid(cee->ioc));
	bfa_dma_be_addr_set(cmd->dma_addr, cee->stats_dma.pa);
	bfa_ioc_mbox_queue(cee->ioc, &cee->get_stats_mb);

	return BFA_STATUS_OK;
}

/*
 * bfa_cee_reset_stats()
 *
 * @brief Clears CEE Stats in the f/w.
 *
 * @param[in] Pointer to the CEE module data structure.
 *
 * @return Status
 */

bfa_status_t
bfa_cee_reset_stats(struct bfa_cee_s *cee,
		    bfa_cee_reset_stats_cbfn_t cbfn, void *cbarg)
{
	struct bfi_cee_reset_stats_s *cmd;

	WARN_ON((cee == NULL) || (cee->ioc == NULL));
	if (!bfa_ioc_is_operational(cee->ioc)) {
		bfa_trc(cee, 0);
		return BFA_STATUS_IOC_FAILURE;
	}
	if (cee->reset_stats_pending == BFA_TRUE) {
		bfa_trc(cee, 0);
		return  BFA_STATUS_DEVBUSY;
	}
	cee->reset_stats_pending = BFA_TRUE;
	cmd = (struct bfi_cee_reset_stats_s *) cee->reset_stats_mb.msg;
	cee->cbfn.reset_stats_cbfn = cbfn;
	cee->cbfn.reset_stats_cbarg = cbarg;
	bfi_h2i_set(cmd->mh, BFI_MC_CEE, BFI_CEE_H2I_RESET_STATS,
		bfa_ioc_portid(cee->ioc));
	bfa_ioc_mbox_queue(cee->ioc, &cee->reset_stats_mb);

	return BFA_STATUS_OK;
}

/*
 * bfa_cee_isrs()
 *
 * @brief Handles Mail-box interrupts for CEE module.
 *
 * @param[in] Pointer to the CEE module data structure.
 *
 * @return void
 */

void
bfa_cee_isr(void *cbarg, struct bfi_mbmsg_s *m)
{
	union bfi_cee_i2h_msg_u *msg;
	struct bfi_cee_get_rsp_s *get_rsp;
	struct bfa_cee_s *cee = (struct bfa_cee_s *) cbarg;
	msg = (union bfi_cee_i2h_msg_u *) m;
	get_rsp = (struct bfi_cee_get_rsp_s *) m;
	bfa_trc(cee, msg->mh.msg_id);
	switch (msg->mh.msg_id) {
	case BFI_CEE_I2H_GET_CFG_RSP:
		bfa_trc(cee, get_rsp->cmd_status);
		bfa_cee_get_attr_isr(cee, get_rsp->cmd_status);
		break;
	case BFI_CEE_I2H_GET_STATS_RSP:
		bfa_cee_get_stats_isr(cee, get_rsp->cmd_status);
		break;
	case BFI_CEE_I2H_RESET_STATS_RSP:
		bfa_cee_reset_stats_isr(cee, get_rsp->cmd_status);
		break;
	default:
		WARN_ON(1);
	}
}

/*
 * bfa_cee_notify()
 *
 * @brief CEE module IOC event handler.
 *
 * @param[in] Pointer to the CEE module data structure.
 * @param[in] IOC event type
 *
 * @return void
 */

void
bfa_cee_notify(void *arg, enum bfa_ioc_event_e event)
{
	struct bfa_cee_s *cee = (struct bfa_cee_s *) arg;

	bfa_trc(cee, event);

	switch (event) {
	case BFA_IOC_E_DISABLED:
	case BFA_IOC_E_FAILED:
		if (cee->get_attr_pending == BFA_TRUE) {
			cee->get_attr_status = BFA_STATUS_FAILED;
			cee->get_attr_pending  = BFA_FALSE;
			if (cee->cbfn.get_attr_cbfn) {
				cee->cbfn.get_attr_cbfn(
					cee->cbfn.get_attr_cbarg,
					BFA_STATUS_FAILED);
			}
		}
		if (cee->get_stats_pending == BFA_TRUE) {
			cee->get_stats_status = BFA_STATUS_FAILED;
			cee->get_stats_pending  = BFA_FALSE;
			if (cee->cbfn.get_stats_cbfn) {
				cee->cbfn.get_stats_cbfn(
				cee->cbfn.get_stats_cbarg,
				BFA_STATUS_FAILED);
			}
		}
		if (cee->reset_stats_pending == BFA_TRUE) {
			cee->reset_stats_status = BFA_STATUS_FAILED;
			cee->reset_stats_pending  = BFA_FALSE;
			if (cee->cbfn.reset_stats_cbfn) {
				cee->cbfn.reset_stats_cbfn(
				cee->cbfn.reset_stats_cbarg,
				BFA_STATUS_FAILED);
			}
		}
		break;

	default:
		break;
	}
}

/*
 * bfa_cee_attach()
 *
 * @brief CEE module-attach API
 *
 * @param[in] cee - Pointer to the CEE module data structure
 *            ioc - Pointer to the ioc module data structure
 *            dev - Pointer to the device driver module data structure
 *                  The device driver specific mbox ISR functions have
 *                  this pointer as one of the parameters.
 *
 * @return void
 */
void
bfa_cee_attach(struct bfa_cee_s *cee, struct bfa_ioc_s *ioc,
		void *dev)
{
	WARN_ON(cee == NULL);
	cee->dev = dev;
	cee->ioc = ioc;

	bfa_ioc_mbox_regisr(cee->ioc, BFI_MC_CEE, bfa_cee_isr, cee);
	bfa_q_qe_init(&cee->ioc_notify);
	bfa_ioc_notify_init(&cee->ioc_notify, bfa_cee_notify, cee);
	list_add_tail(&cee->ioc_notify.qe, &cee->ioc->notify_q);
}