mlx4-abi.h revision 275228 
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 {
42	struct ibv_get_context_resp	ibv_resp;
43	__u32				dev_caps;
44	__u32				qp_tab_size;
45	__u16				bf_reg_size;
46	__u16				bf_regs_per_page;
47	__u32				cqe_size;
48};
49
50struct mlx4_alloc_pd_resp {
51	struct ibv_alloc_pd_resp	ibv_resp;
52	__u32				pdn;
53	__u32				reserved;
54};
55
56struct mlx4_create_cq {
57	struct ibv_create_cq		ibv_cmd;
58	__u64				buf_addr;
59	__u64				db_addr;
60};
61
62struct mlx4_create_cq_resp {
63	struct ibv_create_cq_resp	ibv_resp;
64	__u32				cqn;
65	__u32				reserved;
66};
67
68struct mlx4_resize_cq {
69	struct ibv_resize_cq		ibv_cmd;
70	__u64				buf_addr;
71};
72
73#ifdef HAVE_IBV_XRC_OPS
74struct mlx4_create_xrc_srq {
75	struct ibv_create_xrc_srq	ibv_cmd;
76	__u64				buf_addr;
77	__u64				db_addr;
78};
79#endif
80
81struct mlx4_create_srq {
82	struct ibv_create_srq		ibv_cmd;
83	__u64				buf_addr;
84	__u64				db_addr;
85};
86
87struct mlx4_create_srq_resp {
88	struct ibv_create_srq_resp	ibv_resp;
89	__u32				srqn;
90	__u32				reserved;
91};
92
93struct mlx4_create_qp {
94	struct ibv_create_qp		ibv_cmd;
95	__u64				buf_addr;
96	__u64				db_addr;
97	__u8				log_sq_bb_count;
98	__u8				log_sq_stride;
99	__u8				sq_no_prefetch;	/* was reserved in ABI 2 */
100	__u8				reserved[5];
101};
102
103#ifdef HAVE_IBV_XRC_OPS
104struct mlx4_open_xrc_domain_resp {
105	struct ibv_open_xrc_domain_resp	ibv_resp;
106	__u32				xrcdn;
107	__u32				reserved;
108};
109#endif
110
111#endif /* MLX4_ABI_H */
112