xref: /freebsd/sys/ofed/include/uapi/rdma/mlx4-abi.h (revision f0cfa1b168014f56c02b83e5f28412cc5f78d117)
1 /*
2  * Copyright (c) 2007 Cisco Systems, Inc. All rights reserved.
3  * Copyright (c) 2007, 2008 Mellanox Technologies. All rights reserved.
4  *
5  * This software is available to you under a choice of one of two
6  * licenses.  You may choose to be licensed under the terms of the GNU
7  * General Public License (GPL) Version 2, available from the file
8  * COPYING in the main directory of this source tree, or the
9  * OpenIB.org BSD license below:
10  *
11  *     Redistribution and use in source and binary forms, with or
12  *     without modification, are permitted provided that the following
13  *     conditions are met:
14  *
15  *      - Redistributions of source code must retain the above
16  *        copyright notice, this list of conditions and the following
17  *        disclaimer.
18  *
19  *      - Redistributions in binary form must reproduce the above
20  *        copyright notice, this list of conditions and the following
21  *        disclaimer in the documentation and/or other materials
22  *        provided with the distribution.
23  *
24  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
25  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
26  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
27  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
28  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
29  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
30  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
31  * SOFTWARE.
32  */
33 
34 #ifndef MLX4_ABI_USER_H
35 #define MLX4_ABI_USER_H
36 
37 #ifdef _KERNEL
38 #include <linux/types.h>
39 #else
40 #include <infiniband/types.h>
41 #endif
42 
43 /*
44  * Increment this value if any changes that break userspace ABI
45  * compatibility are made.
46  */
47 
48 #define MLX4_IB_UVERBS_NO_DEV_CAPS_ABI_VERSION	3
49 #define MLX4_IB_UVERBS_ABI_VERSION		4
50 
51 /*
52  * Make sure that all structs defined in this file remain laid out so
53  * that they pack the same way on 32-bit and 64-bit architectures (to
54  * avoid incompatibility between 32-bit userspace and 64-bit kernels).
55  * In particular do not use pointer types -- pass pointers in __u64
56  * instead.
57  */
58 
59 struct mlx4_ib_alloc_ucontext_resp_v3 {
60 	__u32	qp_tab_size;
61 	__u16	bf_reg_size;
62 	__u16	bf_regs_per_page;
63 };
64 
65 struct mlx4_ib_alloc_ucontext_resp {
66 	__u32	dev_caps;
67 	__u32	qp_tab_size;
68 	__u16	bf_reg_size;
69 	__u16	bf_regs_per_page;
70 	__u32	cqe_size;
71 };
72 
73 struct mlx4_ib_alloc_pd_resp {
74 	__u32	pdn;
75 	__u32	reserved;
76 };
77 
78 struct mlx4_ib_create_cq {
79 	__u64	buf_addr;
80 	__u64	db_addr;
81 };
82 
83 struct mlx4_ib_create_cq_resp {
84 	__u32	cqn;
85 	__u32	reserved;
86 };
87 
88 struct mlx4_ib_resize_cq {
89 	__u64	buf_addr;
90 };
91 
92 struct mlx4_ib_create_srq {
93 	__u64	buf_addr;
94 	__u64	db_addr;
95 };
96 
97 struct mlx4_ib_create_srq_resp {
98 	__u32	srqn;
99 	__u32	reserved;
100 };
101 
102 struct mlx4_ib_create_qp {
103 	__u64	buf_addr;
104 	__u64	db_addr;
105 	__u8	log_sq_bb_count;
106 	__u8	log_sq_stride;
107 	__u8	sq_no_prefetch;
108 	__u8	reserved[5];
109 };
110 
111 #endif /* MLX4_ABI_USER_H */
112