mlx4-abi.h revision 277160 
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
41struct mlx4_alloc_ucontext_resp_v3 {
42	struct ibv_get_context_resp	ibv_resp;
43	__u32				qp_tab_size;
44	__u16				bf_reg_size;
45	__u16				bf_regs_per_page;
46};
47
48struct mlx4_alloc_ucontext_resp {
49	struct ibv_get_context_resp	ibv_resp;
50	__u32				dev_caps;
51	__u32				qp_tab_size;
52	__u16				bf_reg_size;
53	__u16				bf_regs_per_page;
54	__u32				cqe_size;
55};
56
57struct mlx4_alloc_pd_resp {
58	struct ibv_alloc_pd_resp	ibv_resp;
59	__u32				pdn;
60	__u32				reserved;
61};
62
63struct mlx4_create_cq {
64	struct ibv_create_cq		ibv_cmd;
65	__u64				buf_addr;
66	__u64				db_addr;
67};
68
69struct mlx4_create_cq_resp {
70	struct ibv_create_cq_resp	ibv_resp;
71	__u32				cqn;
72	__u32				reserved;
73};
74
75struct mlx4_resize_cq {
76	struct ibv_resize_cq		ibv_cmd;
77	__u64				buf_addr;
78};
79
80#ifdef HAVE_IBV_XRC_OPS
81struct mlx4_create_xrc_srq {
82	struct ibv_create_xrc_srq	ibv_cmd;
83	__u64				buf_addr;
84	__u64				db_addr;
85};
86#endif
87
88struct mlx4_create_srq {
89	struct ibv_create_srq		ibv_cmd;
90	__u64				buf_addr;
91	__u64				db_addr;
92};
93
94struct mlx4_create_srq_resp {
95	struct ibv_create_srq_resp	ibv_resp;
96	__u32				srqn;
97	__u32				reserved;
98};
99
100struct mlx4_create_qp {
101	struct ibv_create_qp		ibv_cmd;
102	__u64				buf_addr;
103	__u64				db_addr;
104	__u8				log_sq_bb_count;
105	__u8				log_sq_stride;
106	__u8				sq_no_prefetch;	/* was reserved in ABI 2 */
107	__u8				reserved[5];
108};
109
110#ifdef HAVE_IBV_XRC_OPS
111struct mlx4_open_xrc_domain_resp {
112	struct ibv_open_xrc_domain_resp	ibv_resp;
113	__u32				xrcdn;
114	__u32				reserved;
115};
116#endif
117
118#endif /* MLX4_ABI_H */
119