xref: /freebsd/sys/ofed/include/uapi/rdma/mlx4-abi.h (revision e8d8bef961a50d4dc22501cde4fb9fb0be1b2532)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause OR GPL-2.0
3  *
4  * Copyright (c) 2007 Cisco Systems, Inc. All rights reserved.
5  * Copyright (c) 2007, 2008 Mellanox Technologies. All rights reserved.
6  *
7  * This software is available to you under a choice of one of two
8  * licenses.  You may choose to be licensed under the terms of the GNU
9  * General Public License (GPL) Version 2, available from the file
10  * COPYING in the main directory of this source tree, or the
11  * OpenIB.org BSD license below:
12  *
13  *     Redistribution and use in source and binary forms, with or
14  *     without modification, are permitted provided that the following
15  *     conditions are met:
16  *
17  *      - Redistributions of source code must retain the above
18  *        copyright notice, this list of conditions and the following
19  *        disclaimer.
20  *
21  *      - Redistributions in binary form must reproduce the above
22  *        copyright notice, this list of conditions and the following
23  *        disclaimer in the documentation and/or other materials
24  *        provided with the distribution.
25  *
26  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
27  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
28  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
29  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
30  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
31  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
32  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
33  * SOFTWARE.
34  *
35  * $FreeBSD$
36  */
37 
38 #ifndef MLX4_ABI_USER_H
39 #define MLX4_ABI_USER_H
40 
41 #ifdef _KERNEL
42 #include <linux/types.h>
43 #else
44 #include <infiniband/types.h>
45 #endif
46 
47 /*
48  * Increment this value if any changes that break userspace ABI
49  * compatibility are made.
50  */
51 
52 #define MLX4_IB_UVERBS_NO_DEV_CAPS_ABI_VERSION	3
53 #define MLX4_IB_UVERBS_ABI_VERSION		4
54 
55 /*
56  * Make sure that all structs defined in this file remain laid out so
57  * that they pack the same way on 32-bit and 64-bit architectures (to
58  * avoid incompatibility between 32-bit userspace and 64-bit kernels).
59  * In particular do not use pointer types -- pass pointers in __u64
60  * instead.
61  */
62 
63 struct mlx4_ib_alloc_ucontext_resp_v3 {
64 	__u32	qp_tab_size;
65 	__u16	bf_reg_size;
66 	__u16	bf_regs_per_page;
67 };
68 
69 struct mlx4_ib_alloc_ucontext_resp {
70 	__u32	dev_caps;
71 	__u32	qp_tab_size;
72 	__u16	bf_reg_size;
73 	__u16	bf_regs_per_page;
74 	__u32	cqe_size;
75 };
76 
77 struct mlx4_ib_alloc_pd_resp {
78 	__u32	pdn;
79 	__u32	reserved;
80 };
81 
82 struct mlx4_ib_create_cq {
83 	__u64	buf_addr;
84 	__u64	db_addr;
85 };
86 
87 struct mlx4_ib_create_cq_resp {
88 	__u32	cqn;
89 	__u32	reserved;
90 };
91 
92 struct mlx4_ib_resize_cq {
93 	__u64	buf_addr;
94 };
95 
96 struct mlx4_ib_create_srq {
97 	__u64	buf_addr;
98 	__u64	db_addr;
99 };
100 
101 struct mlx4_ib_create_srq_resp {
102 	__u32	srqn;
103 	__u32	reserved;
104 };
105 
106 struct mlx4_ib_create_qp {
107 	__u64	buf_addr;
108 	__u64	db_addr;
109 	__u8	log_sq_bb_count;
110 	__u8	log_sq_stride;
111 	__u8	sq_no_prefetch;
112 	__u8	reserved[5];
113 };
114 
115 #endif /* MLX4_ABI_USER_H */
116