summaryrefslogtreecommitdiffstats
path: root/drivers/net/ethernet/cisco/enic/vnic_devcmd.h
blob: fef5a0a0663d8cf5a79683a8173e11433ac8d1ec (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
/*
 * Copyright 2008-2010 Cisco Systems, Inc.  All rights reserved.
 * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
 *
 * This program is free software; you may redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; version 2 of the License.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 *
 */

#ifndef _VNIC_DEVCMD_H_
#define _VNIC_DEVCMD_H_

#define _CMD_NBITS      14
#define _CMD_VTYPEBITS	10
#define _CMD_FLAGSBITS  6
#define _CMD_DIRBITS	2

#define _CMD_NMASK      ((1 << _CMD_NBITS)-1)
#define _CMD_VTYPEMASK  ((1 << _CMD_VTYPEBITS)-1)
#define _CMD_FLAGSMASK  ((1 << _CMD_FLAGSBITS)-1)
#define _CMD_DIRMASK    ((1 << _CMD_DIRBITS)-1)

#define _CMD_NSHIFT     0
#define _CMD_VTYPESHIFT (_CMD_NSHIFT+_CMD_NBITS)
#define _CMD_FLAGSSHIFT (_CMD_VTYPESHIFT+_CMD_VTYPEBITS)
#define _CMD_DIRSHIFT   (_CMD_FLAGSSHIFT+_CMD_FLAGSBITS)

/*
 * Direction bits (from host perspective).
 */
#define _CMD_DIR_NONE   0U
#define _CMD_DIR_WRITE  1U
#define _CMD_DIR_READ   2U
#define _CMD_DIR_RW     (_CMD_DIR_WRITE | _CMD_DIR_READ)

/*
 * Flag bits.
 */
#define _CMD_FLAGS_NONE 0U
#define _CMD_FLAGS_NOWAIT 1U

/*
 * vNIC type bits.
 */
#define _CMD_VTYPE_NONE  0U
#define _CMD_VTYPE_ENET  1U
#define _CMD_VTYPE_FC    2U
#define _CMD_VTYPE_SCSI  4U
#define _CMD_VTYPE_ALL   (_CMD_VTYPE_ENET | _CMD_VTYPE_FC | _CMD_VTYPE_SCSI)

/*
 * Used to create cmds..
*/
#define _CMDCF(dir, flags, vtype, nr)  \
	(((dir)   << _CMD_DIRSHIFT) | \
	((flags) << _CMD_FLAGSSHIFT) | \
	((vtype) << _CMD_VTYPESHIFT) | \
	((nr)    << _CMD_NSHIFT))
#define _CMDC(dir, vtype, nr)    _CMDCF(dir, 0, vtype, nr)
#define _CMDCNW(dir, vtype, nr)  _CMDCF(dir, _CMD_FLAGS_NOWAIT, vtype, nr)

/*
 * Used to decode cmds..
*/
#define _CMD_DIR(cmd)            (((cmd) >> _CMD_DIRSHIFT) & _CMD_DIRMASK)
#define _CMD_FLAGS(cmd)          (((cmd) >> _CMD_FLAGSSHIFT) & _CMD_FLAGSMASK)
#define _CMD_VTYPE(cmd)          (((cmd) >> _CMD_VTYPESHIFT) & _CMD_VTYPEMASK)
#define _CMD_N(cmd)              (((cmd) >> _CMD_NSHIFT) & _CMD_NMASK)

enum vnic_devcmd_cmd {
	CMD_NONE                = _CMDC(_CMD_DIR_NONE, _CMD_VTYPE_NONE, 0),

	/*
	 * mcpu fw info in mem:
	 * in:
	 *   (u64)a0=paddr to struct vnic_devcmd_fw_info
	 * action:
	 *   Fills in struct vnic_devcmd_fw_info (128 bytes)
	 * note:
	 *   An old definition of CMD_MCPU_FW_INFO
	 */
	CMD_MCPU_FW_INFO_OLD    = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 1),

	/*
	 * mcpu fw info in mem:
	 * in:
	 *   (u64)a0=paddr to struct vnic_devcmd_fw_info
	 *   (u16)a1=size of the structure
	 * out:
	 *	 (u16)a1=0                          for in:a1 = 0,
	 *	         data size actually written for other values.
	 * action:
	 *   Fills in first 128 bytes of vnic_devcmd_fw_info for in:a1 = 0,
	 *            first in:a1 bytes               for 0 < in:a1 <= 132,
	 *            132 bytes                       for other values of in:a1.
	 * note:
	 *   CMD_MCPU_FW_INFO and CMD_MCPU_FW_INFO_OLD have the same enum 1
	 *   for source compatibility.
	 */
	CMD_MCPU_FW_INFO        = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 1),

	/* dev-specific block member:
	 *    in: (u16)a0=offset,(u8)a1=size
	 *    out: a0=value */
	CMD_DEV_SPEC            = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 2),

	/* stats clear */
	CMD_STATS_CLEAR         = _CMDCNW(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 3),

	/* stats dump in mem: (u64)a0=paddr to stats area,
	 *                    (u16)a1=sizeof stats area */
	CMD_STATS_DUMP          = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 4),

	/* set Rx packet filter: (u32)a0=filters (see CMD_PFILTER_*) */
	CMD_PACKET_FILTER	= _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 7),

	/* set Rx packet filter for all: (u32)a0=filters (see CMD_PFILTER_*) */
	CMD_PACKET_FILTER_ALL   = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 7),

	/* hang detection notification */
	CMD_HANG_NOTIFY         = _CMDC(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 8),

	/* MAC address in (u48)a0 */
	CMD_GET_MAC_ADDR        = _CMDC(_CMD_DIR_READ,
					_CMD_VTYPE_ENET | _CMD_VTYPE_FC, 9),

	/* add addr from (u48)a0 */
	CMD_ADDR_ADD            = _CMDCNW(_CMD_DIR_WRITE,
					_CMD_VTYPE_ENET | _CMD_VTYPE_FC, 12),

	/* del addr from (u48)a0 */
	CMD_ADDR_DEL            = _CMDCNW(_CMD_DIR_WRITE,
					_CMD_VTYPE_ENET | _CMD_VTYPE_FC, 13),

	/* add VLAN id in (u16)a0 */
	CMD_VLAN_ADD            = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 14),

	/* del VLAN id in (u16)a0 */
	CMD_VLAN_DEL            = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 15),

	/* nic_cfg (no wait, always succeeds)
	 * in: (u32)a0
	 *
	 * Capability query:
	 * out: (u64) a0 = 1 if a1 is valid
	 *	(u64) a1 = (NIC_CFG bits supported) | (flags << 32)
	 *
	 * flags are CMD_NIC_CFG_CAPF_xxx
	 */
	CMD_NIC_CFG             = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 16),
	/* nic_cfg_chk (will return error if flags are invalid)
	 * in: (u32)a0
	 *
	 * Capability query:
	 * out: (u64) a0 = 1 if a1 is valid
	 *	(u64) a1 = (NIC_CFG bits supported) | (flags << 32)
	 *
	 * flags are CMD_NIC_CFG_CAPF_xxx
	 */
	CMD_NIC_CFG_CHK		= _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 16),

	/* union vnic_rss_key in mem: (u64)a0=paddr, (u16)a1=len */
	CMD_RSS_KEY             = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 17),

	/* union vnic_rss_cpu in mem: (u64)a0=paddr, (u16)a1=len */
	CMD_RSS_CPU             = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 18),

	/* initiate softreset */
	CMD_SOFT_RESET          = _CMDCNW(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 19),

	/* softreset status:
	 *    out: a0=0 reset complete, a0=1 reset in progress */
	CMD_SOFT_RESET_STATUS   = _CMDC(_CMD_DIR_READ, _CMD_VTYPE_ALL, 20),

	/* set struct vnic_devcmd_notify buffer in mem:
	 * in:
	 *   (u64)a0=paddr to notify (set paddr=0 to unset)
	 *   (u32)a1 & 0x00000000ffffffff=sizeof(struct vnic_devcmd_notify)
	 *   (u16)a1 & 0x0000ffff00000000=intr num (-1 for no intr)
	 * out:
	 *   (u32)a1 = effective size
	 */
	CMD_NOTIFY              = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 21),

	/* UNDI API: (u64)a0=paddr to s_PXENV_UNDI_ struct,
	 *           (u8)a1=PXENV_UNDI_xxx */
	CMD_UNDI                = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 22),

	/* initiate open sequence (u32)a0=flags (see CMD_OPENF_*) */
	CMD_OPEN		= _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 23),

	/* open status:
	 *    out: a0=0 open complete, a0=1 open in progress */
	CMD_OPEN_STATUS		= _CMDC(_CMD_DIR_READ, _CMD_VTYPE_ALL, 24),

	/* close vnic */
	CMD_CLOSE		= _CMDC(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 25),

	/* initialize virtual link: (u32)a0=flags (see CMD_INITF_*) */
/***** Replaced by CMD_INIT *****/
	CMD_INIT_v1		= _CMDCNW(_CMD_DIR_READ, _CMD_VTYPE_ALL, 26),

	/* variant of CMD_INIT, with provisioning info
	 *     (u64)a0=paddr of vnic_devcmd_provinfo
	 *     (u32)a1=sizeof provision info */
	CMD_INIT_PROV_INFO	= _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 27),

	/* enable virtual link */
	CMD_ENABLE		= _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 28),

	/* enable virtual link, waiting variant. */
	CMD_ENABLE_WAIT		= _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 28),

	/* disable virtual link */
	CMD_DISABLE		= _CMDC(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 29),

	/* stats dump sum of all vnic stats on same uplink in mem:
	 *     (u64)a0=paddr
	 *     (u16)a1=sizeof stats area */
	CMD_STATS_DUMP_ALL	= _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 30),

	/* init status:
	 *    out: a0=0 init complete, a0=1 init in progress
	 *         if a0=0, a1=errno */
	CMD_INIT_STATUS		= _CMDC(_CMD_DIR_READ, _CMD_VTYPE_ALL, 31),

	/* INT13 API: (u64)a0=paddr to vnic_int13_params struct
	 *            (u32)a1=INT13_CMD_xxx */
	CMD_INT13               = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_FC, 32),

	/* logical uplink enable/disable: (u64)a0: 0/1=disable/enable */
	CMD_LOGICAL_UPLINK      = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 33),

	/* undo initialize of virtual link */
	CMD_DEINIT		= _CMDCNW(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 34),

	/* initialize virtual link: (u32)a0=flags (see CMD_INITF_*) */
	CMD_INIT		= _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 35),

	/* check fw capability of a cmd:
	 * in:  (u32)a0=cmd
	 * out: (u32)a0=errno, 0:valid cmd, a1=supported VNIC_STF_* bits */
	CMD_CAPABILITY		= _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 36),

	/* persistent binding info
	 * in:  (u64)a0=paddr of arg
	 *      (u32)a1=CMD_PERBI_XXX */
	CMD_PERBI		= _CMDC(_CMD_DIR_RW, _CMD_VTYPE_FC, 37),

	/* Interrupt Assert Register functionality
	 * in: (u16)a0=interrupt number to assert
	 */
	CMD_IAR			= _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 38),

	/* initiate hangreset, like softreset after hang detected */
	CMD_HANG_RESET		= _CMDC(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 39),

	/* hangreset status:
	 *    out: a0=0 reset complete, a0=1 reset in progress */
	CMD_HANG_RESET_STATUS   = _CMDC(_CMD_DIR_READ, _CMD_VTYPE_ALL, 40),

	/*
	 * Set hw ingress packet vlan rewrite mode:
	 * in:  (u32)a0=new vlan rewrite mode
	 * out: (u32)a0=old vlan rewrite mode */
	CMD_IG_VLAN_REWRITE_MODE = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ENET, 41),

	/*
	 * in:  (u16)a0=bdf of target vnic
	 *      (u32)a1=cmd to proxy
	 *      a2-a15=args to cmd in a1
	 * out: (u32)a0=status of proxied cmd
	 *      a1-a15=out args of proxied cmd */
	CMD_PROXY_BY_BDF =	_CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 42),

	/*
	 * As for BY_BDF except a0 is index of hvnlink subordinate vnic
	 * or SR-IOV virtual vnic
	 */
	CMD_PROXY_BY_INDEX =    _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 43),

	/*
	 * For HPP toggle:
	 * adapter-info-get
	 * in:  (u64)a0=phsical address of buffer passed in from caller.
	 *      (u16)a1=size of buffer specified in a0.
	 * out: (u64)a0=phsical address of buffer passed in from caller.
	 *      (u16)a1=actual bytes from VIF-CONFIG-INFO TLV, or
	 *              0 if no VIF-CONFIG-INFO TLV was ever received. */
	CMD_CONFIG_INFO_GET     = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 44),

	/* INT13 API: (u64)a0=paddr to vnic_int13_params struct
	 *            (u32)a1=INT13_CMD_xxx
	 */
	CMD_INT13_ALL = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 45),

	/* Set default vlan:
	 * in: (u16)a0=new default vlan
	 *     (u16)a1=zero for overriding vlan with param a0,
	 *		       non-zero for resetting vlan to the default
	 * out: (u16)a0=old default vlan
	 */
	CMD_SET_DEFAULT_VLAN = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 46),

	/* init_prov_info2:
	 * Variant of CMD_INIT_PROV_INFO, where it will not try to enable
	 * the vnic until CMD_ENABLE2 is issued.
	 *     (u64)a0=paddr of vnic_devcmd_provinfo
	 *     (u32)a1=sizeof provision info
	 */
	CMD_INIT_PROV_INFO2  = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 47),

	/* enable2:
	 *      (u32)a0=0                  ==> standby
	 *             =CMD_ENABLE2_ACTIVE ==> active
	 */
	CMD_ENABLE2 = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 48),

	/*
	 * cmd_status:
	 *     Returns the status of the specified command
	 * Input:
	 *     a0 = command for which status is being queried.
	 *          Possible values are:
	 *              CMD_SOFT_RESET
	 *              CMD_HANG_RESET
	 *              CMD_OPEN
	 *              CMD_INIT
	 *              CMD_INIT_PROV_INFO
	 *              CMD_DEINIT
	 *              CMD_INIT_PROV_INFO2
	 *              CMD_ENABLE2
	 * Output:
	 *     if status == STAT_ERROR
	 *        a0 = ERR_ENOTSUPPORTED - status for command in a0 is
	 *                                 not supported
	 *     if status == STAT_NONE
	 *        a0 = status of the devcmd specified in a0 as follows.
	 *             ERR_SUCCESS   - command in a0 completed successfully
	 *             ERR_EINPROGRESS - command in a0 is still in progress
	 */
	CMD_STATUS = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 49),

	/*
	 * Returns interrupt coalescing timer conversion factors.
	 * After calling this devcmd, ENIC driver can convert
	 * interrupt coalescing timer in usec into CPU cycles as follows:
	 *
	 *   intr_timer_cycles = intr_timer_usec * multiplier / divisor
	 *
	 * Interrupt coalescing timer in usecs can be obtained from
	 * CPU cycles as follows:
	 *
	 *   intr_timer_usec = intr_timer_cycles * divisor / multiplier
	 *
	 * in: none
	 * out: (u32)a0 = multiplier
	 *      (u32)a1 = divisor
	 *      (u32)a2 = maximum timer value in usec
	 */
	CMD_INTR_COAL_CONVERT = _CMDC(_CMD_DIR_READ, _CMD_VTYPE_ALL, 50),

	/*
	 * Set the predefined mac address as default
	 * in:
	 *   (u48)a0 = mac addr
	 */
	CMD_SET_MAC_ADDR = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 55),

	/* Update the provisioning info of the given VIF
	 *     (u64)a0=paddr of vnic_devcmd_provinfo
	 *     (u32)a1=sizeof provision info
	 */
	CMD_PROV_INFO_UPDATE = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 56),

	/* Initialization for the devcmd2 interface.
	 * in: (u64) a0 = host result buffer physical address
	 * in: (u16) a1 = number of entries in result buffer
	 */
	CMD_INITIALIZE_DEVCMD2 = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 57),

	/* Add a filter.
	 * in: (u64) a0= filter address
	 *     (u32) a1= size of filter
	 * out: (u32) a0=filter identifier
	 */
	CMD_ADD_FILTER = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ENET, 58),

	/* Delete a filter.
	 * in: (u32) a0=filter identifier
	 */
	CMD_DEL_FILTER = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 59),

	/* Enable a Queue Pair in User space NIC
	 * in: (u32) a0=Queue Pair number
	 *     (u32) a1= command
	 */
	CMD_QP_ENABLE = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 60),

	/* Disable a Queue Pair in User space NIC
	 * in: (u32) a0=Queue Pair number
	 *     (u32) a1= command
	 */
	CMD_QP_DISABLE = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 61),

	/* Stats dump Queue Pair in User space NIC
	 * in: (u32) a0=Queue Pair number
	 *     (u64) a1=host buffer addr for status dump
	 *     (u32) a2=length of the buffer
	 */
	CMD_QP_STATS_DUMP = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 62),

	/* Clear stats for Queue Pair in User space NIC
	 * in: (u32) a0=Queue Pair number
	 */
	CMD_QP_STATS_CLEAR = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 63),

	/* Use this devcmd for agreeing on the highest common version supported
	 * by both driver and fw for features who need such a facility.
	 * in:	(u64) a0 = feature (driver requests for the supported versions
	 *	on this feature)
	 * out: (u64) a0 = bitmap of all supported versions for that feature
	 */
	CMD_GET_SUPP_FEATURE_VER = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ENET, 69),

	/* Control (Enable/Disable) overlay offloads on the given vnic
	 * in: (u8) a0 = OVERLAY_FEATURE_NVGRE : NVGRE
	 *	    a0 = OVERLAY_FEATURE_VXLAN : VxLAN
	 * in: (u8) a1 = OVERLAY_OFFLOAD_ENABLE : Enable or
	 *	    a1 = OVERLAY_OFFLOAD_DISABLE : Disable or
	 *	    a1 = OVERLAY_OFFLOAD_ENABLE_V2 : Enable with version 2
	 */
	CMD_OVERLAY_OFFLOAD_CTRL = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 72),

	/* Configuration of overlay offloads feature on a given vNIC
	 * in: (u8) a0 = DEVCMD_OVERLAY_NVGRE : NVGRE
	 *	    a0 = DEVCMD_OVERLAY_VXLAN : VxLAN
	 * in: (u8) a1 = VXLAN_PORT_UPDATE : VxLAN
	 * in: (u16) a2 = unsigned short int port information
	 */
	CMD_OVERLAY_OFFLOAD_CFG = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 73),
};

/* CMD_ENABLE2 flags */
#define CMD_ENABLE2_STANDBY 0x0
#define CMD_ENABLE2_ACTIVE  0x1

/* flags for CMD_OPEN */
#define CMD_OPENF_OPROM		0x1	/* open coming from option rom */
#define CMD_OPENF_IG_DESCCACHE	0x2	/* Do not flush IG DESC cache */

/* flags for CMD_INIT */
#define CMD_INITF_DEFAULT_MAC	0x1	/* init with default mac addr */

/* flags for CMD_PACKET_FILTER */
#define CMD_PFILTER_DIRECTED		0x01
#define CMD_PFILTER_MULTICAST		0x02
#define CMD_PFILTER_BROADCAST		0x04
#define CMD_PFILTER_PROMISCUOUS		0x08
#define CMD_PFILTER_ALL_MULTICAST	0x10

/* Commands for CMD_QP_ENABLE/CM_QP_DISABLE */
#define CMD_QP_RQWQ                     0x0

/* rewrite modes for CMD_IG_VLAN_REWRITE_MODE */
#define IG_VLAN_REWRITE_MODE_DEFAULT_TRUNK              0
#define IG_VLAN_REWRITE_MODE_UNTAG_DEFAULT_VLAN         1
#define IG_VLAN_REWRITE_MODE_PRIORITY_TAG_DEFAULT_VLAN  2
#define IG_VLAN_REWRITE_MODE_PASS_THRU                  3

enum vnic_devcmd_status {
	STAT_NONE = 0,
	STAT_BUSY = 1 << 0,	/* cmd in progress */
	STAT_ERROR = 1 << 1,	/* last cmd caused error (code in a0) */
};

enum vnic_devcmd_error {
	ERR_SUCCESS = 0,
	ERR_EINVAL = 1,
	ERR_EFAULT = 2,
	ERR_EPERM = 3,
	ERR_EBUSY = 4,
	ERR_ECMDUNKNOWN = 5,
	ERR_EBADSTATE = 6,
	ERR_ENOMEM = 7,
	ERR_ETIMEDOUT = 8,
	ERR_ELINKDOWN = 9,
	ERR_EMAXRES = 10,
	ERR_ENOTSUPPORTED = 11,
	ERR_EINPROGRESS = 12,
	ERR_MAX
};

/*
 * note: hw_version and asic_rev refer to the same thing,
 *       but have different formats. hw_version is
 *       a 32-byte string (e.g. "A2") and asic_rev is
 *       a 16-bit integer (e.g. 0xA2).
 */
struct vnic_devcmd_fw_info {
	char fw_version[32];
	char fw_build[32];
	char hw_version[32];
	char hw_serial_number[32];
	u16 asic_type;
	u16 asic_rev;
};

struct vnic_devcmd_notify {
	u32 csum;		/* checksum over following words */

	u32 link_state;		/* link up == 1 */
	u32 port_speed;		/* effective port speed (rate limit) */
	u32 mtu;		/* MTU */
	u32 msglvl;		/* requested driver msg lvl */
	u32 uif;		/* uplink interface */
	u32 status;		/* status bits (see VNIC_STF_*) */
	u32 error;		/* error code (see ERR_*) for first ERR */
	u32 link_down_cnt;	/* running count of link down transitions */
	u32 perbi_rebuild_cnt;	/* running count of perbi rebuilds */
};
#define VNIC_STF_FATAL_ERR	0x0001	/* fatal fw error */
#define VNIC_STF_STD_PAUSE	0x0002	/* standard link-level pause on */
#define VNIC_STF_PFC_PAUSE	0x0004	/* priority flow control pause on */
/* all supported status flags */
#define VNIC_STF_ALL		(VNIC_STF_FATAL_ERR |\
				 VNIC_STF_STD_PAUSE |\
				 VNIC_STF_PFC_PAUSE |\
				 0)

struct vnic_devcmd_provinfo {
	u8 oui[3];
	u8 type;
	u8 data[0];
};

/* These are used in flags field of different filters to denote
 * valid fields used.
 */
#define FILTER_FIELD_VALID(fld) (1 << (fld - 1))

#define FILTER_FIELDS_USNIC ( \
			FILTER_FIELD_VALID(1) | \
			FILTER_FIELD_VALID(2) | \
			FILTER_FIELD_VALID(3) | \
			FILTER_FIELD_VALID(4))

#define FILTER_FIELDS_IPV4_5TUPLE ( \
			FILTER_FIELD_VALID(1) | \
			FILTER_FIELD_VALID(2) | \
			FILTER_FIELD_VALID(3) | \
			FILTER_FIELD_VALID(4) | \
			FILTER_FIELD_VALID(5))

#define FILTER_FIELDS_MAC_VLAN ( \
			FILTER_FIELD_VALID(1) | \
			FILTER_FIELD_VALID(2))

#define FILTER_FIELD_USNIC_VLAN    FILTER_FIELD_VALID(1)
#define FILTER_FIELD_USNIC_ETHTYPE FILTER_FIELD_VALID(2)
#define FILTER_FIELD_USNIC_PROTO   FILTER_FIELD_VALID(3)
#define FILTER_FIELD_USNIC_ID      FILTER_FIELD_VALID(4)

struct filter_usnic_id {
	u32 flags;
	u16 vlan;
	u16 ethtype;
	u8 proto_version;
	u32 usnic_id;
} __packed;

#define FILTER_FIELD_5TUP_PROTO  FILTER_FIELD_VALID(1)
#define FILTER_FIELD_5TUP_SRC_AD FILTER_FIELD_VALID(2)
#define FILTER_FIELD_5TUP_DST_AD FILTER_FIELD_VALID(3)
#define FILTER_FIELD_5TUP_SRC_PT FILTER_FIELD_VALID(4)
#define FILTER_FIELD_5TUP_DST_PT FILTER_FIELD_VALID(5)

/* Enums for the protocol field. */
enum protocol_e {
	PROTO_UDP = 0,
	PROTO_TCP = 1,
};

struct filter_ipv4_5tuple {
	u32 flags;
	u32 protocol;
	u32 src_addr;
	u32 dst_addr;
	u16 src_port;
	u16 dst_port;
} __packed;

#define FILTER_FIELD_VMQ_VLAN   FILTER_FIELD_VALID(1)
#define FILTER_FIELD_VMQ_MAC    FILTER_FIELD_VALID(2)

struct filter_mac_vlan {
	u32 flags;
	u16 vlan;
	u8 mac_addr[6];
} __packed;

/* Specifies the filter_action type. */
enum {
	FILTER_ACTION_RQ_STEERING = 0,
	FILTER_ACTION_MAX
};

struct filter_action {
	u32 type;
	union {
		u32 rq_idx;
	} u;
} __packed;

/* Specifies the filter type. */
enum filter_type {
	FILTER_USNIC_ID = 0,
	FILTER_IPV4_5TUPLE = 1,
	FILTER_MAC_VLAN = 2,
	FILTER_MAX
};

struct filter {
	u32 type;
	union {
		struct filter_usnic_id usnic;
		struct filter_ipv4_5tuple ipv4;
		struct filter_mac_vlan mac_vlan;
	} u;
} __packed;

enum {
	CLSF_TLV_FILTER = 0,
	CLSF_TLV_ACTION = 1,
};

/* Maximum size of buffer to CMD_ADD_FILTER */
#define FILTER_MAX_BUF_SIZE 100

struct filter_tlv {
	u_int32_t type;
	u_int32_t length;
	u_int32_t val[0];
};

enum {
	CLSF_ADD = 0,
	CLSF_DEL = 1,
};

/*
 * Writing cmd register causes STAT_BUSY to get set in status register.
 * When cmd completes, STAT_BUSY will be cleared.
 *
 * If cmd completed successfully STAT_ERROR will be clear
 * and args registers contain cmd-specific results.
 *
 * If cmd error, STAT_ERROR will be set and args[0] contains error code.
 *
 * status register is read-only.  While STAT_BUSY is set,
 * all other register contents are read-only.
 */

/* Make sizeof(vnic_devcmd) a power-of-2 for I/O BAR. */
#define VNIC_DEVCMD_NARGS 15
struct vnic_devcmd {
	u32 status;			/* RO */
	u32 cmd;			/* RW */
	u64 args[VNIC_DEVCMD_NARGS];	/* RW cmd args (little-endian) */
};

#define DEVCMD2_FNORESULT	0x1	/* Don't copy result to host */

#define VNIC_DEVCMD2_NARGS	VNIC_DEVCMD_NARGS
struct vnic_devcmd2 {
	u16 pad;
	u16 flags;
	u32 cmd;
	u64 args[VNIC_DEVCMD2_NARGS];
};

#define VNIC_DEVCMD2_NRESULTS	VNIC_DEVCMD_NARGS
struct devcmd2_result {
	u64 results[VNIC_DEVCMD2_NRESULTS];
	u32 pad;
	u16 completed_index;
	u8  error;
	u8  color;
};

#define DEVCMD2_RING_SIZE	32
#define DEVCMD2_DESC_SIZE	128

enum overlay_feature_t {
	OVERLAY_FEATURE_NVGRE = 1,
	OVERLAY_FEATURE_VXLAN,
	OVERLAY_FEATURE_MAX,
};

enum overlay_ofld_cmd {
	OVERLAY_OFFLOAD_ENABLE,
	OVERLAY_OFFLOAD_DISABLE,
	OVERLAY_OFFLOAD_ENABLE_P2,
	OVERLAY_OFFLOAD_MAX,
};

#define OVERLAY_CFG_VXLAN_PORT_UPDATE	0

#define ENIC_VXLAN_INNER_IPV6		BIT(0)
#define ENIC_VXLAN_OUTER_IPV6		BIT(1)
#define ENIC_VXLAN_MULTI_WQ		BIT(2)

/* Use this enum to get the supported versions for each of these features
 * If you need to use the devcmd_get_supported_feature_version(), add
 * the new feature into this enum and install function handler in devcmd.c
 */
enum vic_feature_t {
	VIC_FEATURE_VXLAN,
	VIC_FEATURE_RDMA,
	VIC_FEATURE_VXLAN_PATCH,
	VIC_FEATURE_MAX,
};

#endif /* _VNIC_DEVCMD_H_ */