summaryrefslogtreecommitdiff
path: root/drivers/net/cxgb4/t4_msg.h
blob: a550d0c706f3e6d70fe318c9282274355aaa62c5 (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
/*
 * This file is part of the Chelsio T4 Ethernet driver for Linux.
 *
 * Copyright (c) 2003-2010 Chelsio Communications, Inc. All rights reserved.
 *
 * This software is available to you under a choice of one of two
 * licenses.  You may choose to be licensed under the terms of the GNU
 * General Public License (GPL) Version 2, available from the file
 * COPYING in the main directory of this source tree, or the
 * OpenIB.org BSD license below:
 *
 *     Redistribution and use in source and binary forms, with or
 *     without modification, are permitted provided that the following
 *     conditions are met:
 *
 *      - Redistributions of source code must retain the above
 *        copyright notice, this list of conditions and the following
 *        disclaimer.
 *
 *      - Redistributions in binary form must reproduce the above
 *        copyright notice, this list of conditions and the following
 *        disclaimer in the documentation and/or other materials
 *        provided with the distribution.
 *
 * 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 __T4_MSG_H
#define __T4_MSG_H

#include <linux/types.h>

enum {
	CPL_PASS_OPEN_REQ     = 0x1,
	CPL_PASS_ACCEPT_RPL   = 0x2,
	CPL_ACT_OPEN_REQ      = 0x3,
	CPL_SET_TCB_FIELD     = 0x5,
	CPL_GET_TCB           = 0x6,
	CPL_CLOSE_CON_REQ     = 0x8,
	CPL_CLOSE_LISTSRV_REQ = 0x9,
	CPL_ABORT_REQ         = 0xA,
	CPL_ABORT_RPL         = 0xB,
	CPL_RX_DATA_ACK       = 0xD,
	CPL_TX_PKT            = 0xE,
	CPL_L2T_WRITE_REQ     = 0x12,
	CPL_TID_RELEASE       = 0x1A,

	CPL_CLOSE_LISTSRV_RPL = 0x20,
	CPL_L2T_WRITE_RPL     = 0x23,
	CPL_PASS_OPEN_RPL     = 0x24,
	CPL_ACT_OPEN_RPL      = 0x25,
	CPL_PEER_CLOSE        = 0x26,
	CPL_ABORT_REQ_RSS     = 0x2B,
	CPL_ABORT_RPL_RSS     = 0x2D,

	CPL_CLOSE_CON_RPL     = 0x32,
	CPL_ISCSI_HDR         = 0x33,
	CPL_RDMA_CQE          = 0x35,
	CPL_RDMA_CQE_READ_RSP = 0x36,
	CPL_RDMA_CQE_ERR      = 0x37,
	CPL_RX_DATA           = 0x39,
	CPL_SET_TCB_RPL       = 0x3A,
	CPL_RX_PKT            = 0x3B,
	CPL_RX_DDP_COMPLETE   = 0x3F,

	CPL_ACT_ESTABLISH     = 0x40,
	CPL_PASS_ESTABLISH    = 0x41,
	CPL_RX_DATA_DDP       = 0x42,
	CPL_PASS_ACCEPT_REQ   = 0x44,

	CPL_RDMA_READ_REQ     = 0x60,

	CPL_PASS_OPEN_REQ6    = 0x81,
	CPL_ACT_OPEN_REQ6     = 0x83,

	CPL_RDMA_TERMINATE    = 0xA2,
	CPL_RDMA_WRITE        = 0xA4,
	CPL_SGE_EGR_UPDATE    = 0xA5,

	CPL_TRACE_PKT         = 0xB0,

	CPL_FW4_MSG           = 0xC0,
	CPL_FW4_PLD           = 0xC1,
	CPL_FW4_ACK           = 0xC3,

	CPL_FW6_MSG           = 0xE0,
	CPL_FW6_PLD           = 0xE1,
	CPL_TX_PKT_LSO        = 0xED,
	CPL_TX_PKT_XT         = 0xEE,

	NUM_CPL_CMDS
};

enum CPL_error {
	CPL_ERR_NONE               = 0,
	CPL_ERR_TCAM_FULL          = 3,
	CPL_ERR_BAD_LENGTH         = 15,
	CPL_ERR_BAD_ROUTE          = 18,
	CPL_ERR_CONN_RESET         = 20,
	CPL_ERR_CONN_EXIST_SYNRECV = 21,
	CPL_ERR_CONN_EXIST         = 22,
	CPL_ERR_ARP_MISS           = 23,
	CPL_ERR_BAD_SYN            = 24,
	CPL_ERR_CONN_TIMEDOUT      = 30,
	CPL_ERR_XMIT_TIMEDOUT      = 31,
	CPL_ERR_PERSIST_TIMEDOUT   = 32,
	CPL_ERR_FINWAIT2_TIMEDOUT  = 33,
	CPL_ERR_KEEPALIVE_TIMEDOUT = 34,
	CPL_ERR_RTX_NEG_ADVICE     = 35,
	CPL_ERR_PERSIST_NEG_ADVICE = 36,
	CPL_ERR_ABORT_FAILED       = 42,
	CPL_ERR_IWARP_FLM          = 50,
};

enum {
	ULP_MODE_NONE          = 0,
	ULP_MODE_ISCSI         = 2,
	ULP_MODE_RDMA          = 4,
	ULP_MODE_FCOE          = 6,
};

enum {
	ULP_CRC_HEADER = 1 << 0,
	ULP_CRC_DATA   = 1 << 1
};

enum {
	CPL_ABORT_SEND_RST = 0,
	CPL_ABORT_NO_RST,
};

enum {                     /* TX_PKT_XT checksum types */
	TX_CSUM_TCP    = 0,
	TX_CSUM_UDP    = 1,
	TX_CSUM_CRC16  = 4,
	TX_CSUM_CRC32  = 5,
	TX_CSUM_CRC32C = 6,
	TX_CSUM_FCOE   = 7,
	TX_CSUM_TCPIP  = 8,
	TX_CSUM_UDPIP  = 9,
	TX_CSUM_TCPIP6 = 10,
	TX_CSUM_UDPIP6 = 11,
	TX_CSUM_IP     = 12,
};

union opcode_tid {
	__be32 opcode_tid;
	u8 opcode;
};

#define CPL_OPCODE(x) ((x) << 24)
#define MK_OPCODE_TID(opcode, tid) (CPL_OPCODE(opcode) | (tid))
#define OPCODE_TID(cmd) ((cmd)->ot.opcode_tid)
#define GET_TID(cmd) (ntohl(OPCODE_TID(cmd)) & 0xFFFFFF)

/* partitioning of TID fields that also carry a queue id */
#define GET_TID_TID(x) ((x) & 0x3fff)
#define GET_TID_QID(x) (((x) >> 14) & 0x3ff)
#define TID_QID(x)     ((x) << 14)

struct rss_header {
	u8 opcode;
#if defined(__LITTLE_ENDIAN_BITFIELD)
	u8 channel:2;
	u8 filter_hit:1;
	u8 filter_tid:1;
	u8 hash_type:2;
	u8 ipv6:1;
	u8 send2fw:1;
#else
	u8 send2fw:1;
	u8 ipv6:1;
	u8 hash_type:2;
	u8 filter_tid:1;
	u8 filter_hit:1;
	u8 channel:2;
#endif
	__be16 qid;
	__be32 hash_val;
};

struct work_request_hdr {
	__be32 wr_hi;
	__be32 wr_mid;
	__be64 wr_lo;
};

#define WR_HDR struct work_request_hdr wr

struct cpl_pass_open_req {
	WR_HDR;
	union opcode_tid ot;
	__be16 local_port;
	__be16 peer_port;
	__be32 local_ip;
	__be32 peer_ip;
	__be64 opt0;
#define TX_CHAN(x)    ((x) << 2)
#define DELACK(x)     ((x) << 5)
#define ULP_MODE(x)   ((x) << 8)
#define RCV_BUFSIZ(x) ((x) << 12)
#define DSCP(x)       ((x) << 22)
#define SMAC_SEL(x)   ((u64)(x) << 28)
#define L2T_IDX(x)    ((u64)(x) << 36)
#define NAGLE(x)      ((u64)(x) << 49)
#define WND_SCALE(x)  ((u64)(x) << 50)
#define KEEP_ALIVE(x) ((u64)(x) << 54)
#define MSS_IDX(x)    ((u64)(x) << 60)
	__be64 opt1;
#define SYN_RSS_ENABLE   (1 << 0)
#define SYN_RSS_QUEUE(x) ((x) << 2)
#define CONN_POLICY_ASK  (1 << 22)
};

struct cpl_pass_open_req6 {
	WR_HDR;
	union opcode_tid ot;
	__be16 local_port;
	__be16 peer_port;
	__be64 local_ip_hi;
	__be64 local_ip_lo;
	__be64 peer_ip_hi;
	__be64 peer_ip_lo;
	__be64 opt0;
	__be64 opt1;
};

struct cpl_pass_open_rpl {
	union opcode_tid ot;
	u8 rsvd[3];
	u8 status;
};

struct cpl_pass_accept_rpl {
	WR_HDR;
	union opcode_tid ot;
	__be32 opt2;
#define RSS_QUEUE(x)         ((x) << 0)
#define RSS_QUEUE_VALID      (1 << 10)
#define RX_COALESCE_VALID(x) ((x) << 11)
#define RX_COALESCE(x)       ((x) << 12)
#define TX_QUEUE(x)          ((x) << 23)
#define RX_CHANNEL(x)        ((x) << 26)
#define WND_SCALE_EN(x)      ((x) << 28)
#define TSTAMPS_EN(x)        ((x) << 29)
#define SACK_EN(x)           ((x) << 30)
	__be64 opt0;
};

struct cpl_act_open_req {
	WR_HDR;
	union opcode_tid ot;
	__be16 local_port;
	__be16 peer_port;
	__be32 local_ip;
	__be32 peer_ip;
	__be64 opt0;
	__be32 params;
	__be32 opt2;
};

struct cpl_act_open_req6 {
	WR_HDR;
	union opcode_tid ot;
	__be16 local_port;
	__be16 peer_port;
	__be64 local_ip_hi;
	__be64 local_ip_lo;
	__be64 peer_ip_hi;
	__be64 peer_ip_lo;
	__be64 opt0;
	__be32 params;
	__be32 opt2;
};

struct cpl_act_open_rpl {
	union opcode_tid ot;
	__be32 atid_status;
#define GET_AOPEN_STATUS(x) ((x) & 0xff)
#define GET_AOPEN_ATID(x)   (((x) >> 8) & 0xffffff)
};

struct cpl_pass_establish {
	union opcode_tid ot;
	__be32 rsvd;
	__be32 tos_stid;
#define GET_POPEN_TID(x) ((x) & 0xffffff)
#define GET_POPEN_TOS(x) (((x) >> 24) & 0xff)
	__be16 mac_idx;
	__be16 tcp_opt;
#define GET_TCPOPT_WSCALE_OK(x)  (((x) >> 5) & 1)
#define GET_TCPOPT_SACK(x)       (((x) >> 6) & 1)
#define GET_TCPOPT_TSTAMP(x)     (((x) >> 7) & 1)
#define GET_TCPOPT_SND_WSCALE(x) (((x) >> 8) & 0xf)
#define GET_TCPOPT_MSS(x)        (((x) >> 12) & 0xf)
	__be32 snd_isn;
	__be32 rcv_isn;
};

struct cpl_act_establish {
	union opcode_tid ot;
	__be32 rsvd;
	__be32 tos_atid;
	__be16 mac_idx;
	__be16 tcp_opt;
	__be32 snd_isn;
	__be32 rcv_isn;
};

struct cpl_get_tcb {
	WR_HDR;
	union opcode_tid ot;
	__be16 reply_ctrl;
#define QUEUENO(x)    ((x) << 0)
#define REPLY_CHAN(x) ((x) << 14)
#define NO_REPLY(x)   ((x) << 15)
	__be16 cookie;
};

struct cpl_set_tcb_field {
	WR_HDR;
	union opcode_tid ot;
	__be16 reply_ctrl;
	__be16 word_cookie;
#define TCB_WORD(x)   ((x) << 0)
#define TCB_COOKIE(x) ((x) << 5)
	__be64 mask;
	__be64 val;
};

struct cpl_set_tcb_rpl {
	union opcode_tid ot;
	__be16 rsvd;
	u8 cookie;
	u8 status;
	__be64 oldval;
};

struct cpl_close_con_req {
	WR_HDR;
	union opcode_tid ot;
	__be32 rsvd;
};

struct cpl_close_con_rpl {
	union opcode_tid ot;
	u8 rsvd[3];
	u8 status;
	__be32 snd_nxt;
	__be32 rcv_nxt;
};

struct cpl_close_listsvr_req {
	WR_HDR;
	union opcode_tid ot;
	__be16 reply_ctrl;
#define LISTSVR_IPV6 (1 << 14)
	__be16 rsvd;
};

struct cpl_close_listsvr_rpl {
	union opcode_tid ot;
	u8 rsvd[3];
	u8 status;
};

struct cpl_abort_req_rss {
	union opcode_tid ot;
	u8 rsvd[3];
	u8 status;
};

struct cpl_abort_req {
	WR_HDR;
	union opcode_tid ot;
	__be32 rsvd0;
	u8 rsvd1;
	u8 cmd;
	u8 rsvd2[6];
};

struct cpl_abort_rpl_rss {
	union opcode_tid ot;
	u8 rsvd[3];
	u8 status;
};

struct cpl_abort_rpl {
	WR_HDR;
	union opcode_tid ot;
	__be32 rsvd0;
	u8 rsvd1;
	u8 cmd;
	u8 rsvd2[6];
};

struct cpl_peer_close {
	union opcode_tid ot;
	__be32 rcv_nxt;
};

struct cpl_tid_release {
	WR_HDR;
	union opcode_tid ot;
	__be32 rsvd;
};

struct cpl_tx_pkt_core {
	__be32 ctrl0;
#define TXPKT_VF(x)        ((x) << 0)
#define TXPKT_PF(x)        ((x) << 8)
#define TXPKT_VF_VLD       (1 << 11)
#define TXPKT_OVLAN_IDX(x) ((x) << 12)
#define TXPKT_INTF(x)      ((x) << 16)
#define TXPKT_INS_OVLAN    (1 << 21)
#define TXPKT_OPCODE(x)    ((x) << 24)
	__be16 pack;
	__be16 len;
	__be64 ctrl1;
#define TXPKT_CSUM_END(x)   ((x) << 12)
#define TXPKT_CSUM_START(x) ((x) << 20)
#define TXPKT_IPHDR_LEN(x)  ((u64)(x) << 20)
#define TXPKT_CSUM_LOC(x)   ((u64)(x) << 30)
#define TXPKT_ETHHDR_LEN(x) ((u64)(x) << 34)
#define TXPKT_CSUM_TYPE(x)  ((u64)(x) << 40)
#define TXPKT_VLAN(x)       ((u64)(x) << 44)
#define TXPKT_VLAN_VLD      (1ULL << 60)
#define TXPKT_IPCSUM_DIS    (1ULL << 62)
#define TXPKT_L4CSUM_DIS    (1ULL << 63)
};

struct cpl_tx_pkt {
	WR_HDR;
	struct cpl_tx_pkt_core c;
};

#define cpl_tx_pkt_xt cpl_tx_pkt

struct cpl_tx_pkt_lso_core {
	__be32 lso_ctrl;
#define LSO_TCPHDR_LEN(x) ((x) << 0)
#define LSO_IPHDR_LEN(x)  ((x) << 4)
#define LSO_ETHHDR_LEN(x) ((x) << 16)
#define LSO_IPV6(x)       ((x) << 20)
#define LSO_LAST_SLICE    (1 << 22)
#define LSO_FIRST_SLICE   (1 << 23)
#define LSO_OPCODE(x)     ((x) << 24)
	__be16 ipid_ofst;
	__be16 mss;
	__be32 seqno_offset;
	__be32 len;
	/* encapsulated CPL (TX_PKT, TX_PKT_XT or TX_DATA) follows here */
};

struct cpl_tx_pkt_lso {
	WR_HDR;
	struct cpl_tx_pkt_lso_core c;
	/* encapsulated CPL (TX_PKT, TX_PKT_XT or TX_DATA) follows here */
};

struct cpl_iscsi_hdr {
	union opcode_tid ot;
	__be16 pdu_len_ddp;
#define ISCSI_PDU_LEN(x) ((x) & 0x7FFF)
#define ISCSI_DDP        (1 << 15)
	__be16 len;
	__be32 seq;
	__be16 urg;
	u8 rsvd;
	u8 status;
};

struct cpl_rx_data {
	union opcode_tid ot;
	__be16 rsvd;
	__be16 len;
	__be32 seq;
	__be16 urg;
#if defined(__LITTLE_ENDIAN_BITFIELD)
	u8 dack_mode:2;
	u8 psh:1;
	u8 heartbeat:1;
	u8 ddp_off:1;
	u8 :3;
#else
	u8 :3;
	u8 ddp_off:1;
	u8 heartbeat:1;
	u8 psh:1;
	u8 dack_mode:2;
#endif
	u8 status;
};

struct cpl_rx_data_ack {
	WR_HDR;
	union opcode_tid ot;
	__be32 credit_dack;
#define RX_CREDITS(x)   ((x) << 0)
#define RX_FORCE_ACK(x) ((x) << 28)
};

struct cpl_rx_pkt {
	struct rss_header rsshdr;
	u8 opcode;
#if defined(__LITTLE_ENDIAN_BITFIELD)
	u8 iff:4;
	u8 csum_calc:1;
	u8 ipmi_pkt:1;
	u8 vlan_ex:1;
	u8 ip_frag:1;
#else
	u8 ip_frag:1;
	u8 vlan_ex:1;
	u8 ipmi_pkt:1;
	u8 csum_calc:1;
	u8 iff:4;
#endif
	__be16 csum;
	__be16 vlan;
	__be16 len;
	__be32 l2info;
#define RXF_UDP (1 << 22)
#define RXF_TCP (1 << 23)
#define RXF_IP  (1 << 24)
#define RXF_IP6 (1 << 25)
	__be16 hdr_len;
	__be16 err_vec;
};

struct cpl_trace_pkt {
	u8 opcode;
	u8 intf;
#if defined(__LITTLE_ENDIAN_BITFIELD)
	u8 runt:4;
	u8 filter_hit:4;
	u8 :6;
	u8 err:1;
	u8 trunc:1;
#else
	u8 filter_hit:4;
	u8 runt:4;
	u8 trunc:1;
	u8 err:1;
	u8 :6;
#endif
	__be16 rsvd;
	__be16 len;
	__be64 tstamp;
};

struct cpl_l2t_write_req {
	WR_HDR;
	union opcode_tid ot;
	__be16 params;
#define L2T_W_INFO(x)    ((x) << 2)
#define L2T_W_PORT(x)    ((x) << 8)
#define L2T_W_NOREPLY(x) ((x) << 15)
	__be16 l2t_idx;
	__be16 vlan;
	u8 dst_mac[6];
};

struct cpl_l2t_write_rpl {
	union opcode_tid ot;
	u8 status;
	u8 rsvd[3];
};

struct cpl_rdma_terminate {
	union opcode_tid ot;
	__be16 rsvd;
	__be16 len;
};

struct cpl_sge_egr_update {
	__be32 opcode_qid;
#define EGR_QID(x) ((x) & 0x1FFFF)
	__be16 cidx;
	__be16 pidx;
};

struct cpl_fw4_pld {
	u8 opcode;
	u8 rsvd0[3];
	u8 type;
	u8 rsvd1;
	__be16 len;
	__be64 data;
	__be64 rsvd2;
};

struct cpl_fw6_pld {
	u8 opcode;
	u8 rsvd[5];
	__be16 len;
	__be64 data[4];
};

struct cpl_fw4_msg {
	u8 opcode;
	u8 type;
	__be16 rsvd0;
	__be32 rsvd1;
	__be64 data[2];
};

struct cpl_fw4_ack {
	union opcode_tid ot;
	u8 credits;
	u8 rsvd0[2];
	u8 seq_vld;
	__be32 snd_nxt;
	__be32 snd_una;
	__be64 rsvd1;
};

struct cpl_fw6_msg {
	u8 opcode;
	u8 type;
	__be16 rsvd0;
	__be32 rsvd1;
	__be64 data[4];
};

/* cpl_fw6_msg.type values */
enum {
	FW6_TYPE_CMD_RPL = 0,
};

enum {
	ULP_TX_MEM_READ = 2,
	ULP_TX_MEM_WRITE = 3,
	ULP_TX_PKT = 4
};

enum {
	ULP_TX_SC_NOOP = 0x80,
	ULP_TX_SC_IMM  = 0x81,
	ULP_TX_SC_DSGL = 0x82,
	ULP_TX_SC_ISGL = 0x83
};

struct ulptx_sge_pair {
	__be32 len[2];
	__be64 addr[2];
};

struct ulptx_sgl {
	__be32 cmd_nsge;
#define ULPTX_CMD(x) ((x) << 24)
#define ULPTX_NSGE(x) ((x) << 0)
	__be32 len0;
	__be64 addr0;
	struct ulptx_sge_pair sge[0];
};

struct ulp_mem_io {
	WR_HDR;
	__be32 cmd;
#define ULP_MEMIO_ORDER(x) ((x) << 23)
	__be32 len16;             /* command length */
	__be32 dlen;              /* data length in 32-byte units */
#define ULP_MEMIO_DATA_LEN(x) ((x) << 0)
	__be32 lock_addr;
#define ULP_MEMIO_ADDR(x) ((x) << 0)
#define ULP_MEMIO_LOCK(x) ((x) << 31)
};

#endif  /* __T4_MSG_H */