mlx4-abi.h revision 331769 
1/*
2 * Copyright (c) 2007 Cisco, Inc.  All rights reserved.
3 *
4 * This software is available to you under a choice of one of two
5 * licenses.  You may choose to be licensed under the terms of the GNU
6 * General Public License (GPL) Version 2, available from the file
7 * COPYING in the main directory of this source tree, or the
8 * OpenIB.org BSD license below:
9 *
10 *     Redistribution and use in source and binary forms, with or
11 *     without modification, are permitted provided that the following
12 *     conditions are met:
13 *
14 *      - Redistributions of source code must retain the above
15 *        copyright notice, this list of conditions and the following
16 *        disclaimer.
17 *
18 *      - Redistributions in binary form must reproduce the above
19 *        copyright notice, this list of conditions and the following
20 *        disclaimer in the documentation and/or other materials
21 *        provided with the distribution.
22 *
23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
30 * SOFTWARE.
31 */
32
33#ifndef MLX4_ABI_H
34#define MLX4_ABI_H
35
36#include <infiniband/kern-abi.h>
37
38#define MLX4_UVERBS_MIN_ABI_VERSION	2
39#define MLX4_UVERBS_MAX_ABI_VERSION	4
40
41#define MLX4_UVERBS_NO_DEV_CAPS_ABI_VERSION	3
42
43enum {
44	MLX4_USER_DEV_CAP_64B_CQE	= 1L << 0
45};
46
47struct mlx4_alloc_ucontext_resp_v3 {
48	struct ibv_get_context_resp	ibv_resp;
49	__u32				qp_tab_size;
50	__u16				bf_reg_size;
51	__u16				bf_regs_per_page;
52};
53
54enum mlx4_query_dev_ex_resp_mask {
55	MLX4_QUERY_DEV_RESP_MASK_CORE_CLOCK_OFFSET = 1UL << 0,
56};
57
58struct mlx4_alloc_ucontext_resp {
59	struct ibv_get_context_resp	ibv_resp;
60	__u32				dev_caps;
61	__u32				qp_tab_size;
62	__u16				bf_reg_size;
63	__u16				bf_regs_per_page;
64	__u32				cqe_size;
65};
66
67struct mlx4_alloc_pd_resp {
68	struct ibv_alloc_pd_resp	ibv_resp;
69	__u32				pdn;
70	__u32				reserved;
71};
72
73struct mlx4_create_cq {
74	struct ibv_create_cq		ibv_cmd;
75	__u64				buf_addr;
76	__u64				db_addr;
77};
78
79struct mlx4_create_cq_resp {
80	struct ibv_create_cq_resp	ibv_resp;
81	__u32				cqn;
82	__u32				reserved;
83};
84
85struct mlx4_create_cq_ex {
86	struct ibv_create_cq_ex		ibv_cmd;
87	__u64				buf_addr;
88	__u64				db_addr;
89};
90
91struct mlx4_create_cq_resp_ex {
92	struct ibv_create_cq_resp_ex	ibv_resp;
93	__u32				cqn;
94	__u32				reserved;
95};
96
97struct mlx4_resize_cq {
98	struct ibv_resize_cq		ibv_cmd;
99	__u64				buf_addr;
100};
101
102struct mlx4_query_device_ex_resp {
103	struct ibv_query_device_resp_ex ibv_resp;
104	__u32				comp_mask;
105	__u32				response_length;
106	__u64				hca_core_clock_offset;
107};
108
109struct mlx4_query_device_ex {
110	struct ibv_query_device_ex	ibv_cmd;
111};
112
113struct mlx4_create_srq {
114	struct ibv_create_srq		ibv_cmd;
115	__u64				buf_addr;
116	__u64				db_addr;
117};
118
119struct mlx4_create_xsrq {
120	struct ibv_create_xsrq		ibv_cmd;
121	__u64				buf_addr;
122	__u64				db_addr;
123};
124
125struct mlx4_create_srq_resp {
126	struct ibv_create_srq_resp	ibv_resp;
127	__u32				srqn;
128	__u32				reserved;
129};
130
131struct mlx4_create_qp {
132	struct ibv_create_qp		ibv_cmd;
133	__u64				buf_addr;
134	__u64				db_addr;
135	__u8				log_sq_bb_count;
136	__u8				log_sq_stride;
137	__u8				sq_no_prefetch;	/* was reserved in ABI 2 */
138	__u8				reserved[5];
139};
140
141struct mlx4_create_qp_drv_ex {
142	__u64		buf_addr;
143	__u64		db_addr;
144	__u8		log_sq_bb_count;
145	__u8		log_sq_stride;
146	__u8		sq_no_prefetch;	/* was reserved in ABI 2 */
147	__u8		reserved[5];
148};
149
150struct mlx4_create_qp_ex {
151	struct ibv_create_qp_ex		ibv_cmd;
152	struct mlx4_create_qp_drv_ex	drv_ex;
153};
154
155struct mlx4_create_qp_resp_ex {
156	struct ibv_create_qp_resp_ex	ibv_resp;
157};
158
159#endif /* MLX4_ABI_H */
160