xref: /NextBSD/contrib/ofed/libmlx4/src/mlx4-abi.h (revision 287e3b14e9552995def1802ec9c5034f4adf28ec)
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 struct 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 
48 struct 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 
57 struct mlx4_alloc_pd_resp {
58 	struct ibv_alloc_pd_resp	ibv_resp;
59 	__u32				pdn;
60 	__u32				reserved;
61 };
62 
63 struct mlx4_create_cq {
64 	struct ibv_create_cq		ibv_cmd;
65 	__u64				buf_addr;
66 	__u64				db_addr;
67 };
68 
69 struct mlx4_create_cq_resp {
70 	struct ibv_create_cq_resp	ibv_resp;
71 	__u32				cqn;
72 	__u32				reserved;
73 };
74 
75 struct mlx4_resize_cq {
76 	struct ibv_resize_cq		ibv_cmd;
77 	__u64				buf_addr;
78 };
79 
80 #ifdef HAVE_IBV_XRC_OPS
81 struct mlx4_create_xrc_srq {
82 	struct ibv_create_xrc_srq	ibv_cmd;
83 	__u64				buf_addr;
84 	__u64				db_addr;
85 };
86 #endif
87 
88 struct mlx4_create_srq {
89 	struct ibv_create_srq		ibv_cmd;
90 	__u64				buf_addr;
91 	__u64				db_addr;
92 };
93 
94 struct mlx4_create_srq_resp {
95 	struct ibv_create_srq_resp	ibv_resp;
96 	__u32				srqn;
97 	__u32				reserved;
98 };
99 
100 struct 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
111 struct 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