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_IB_USER_H
35 #define MLX4_IB_USER_H
36 
37 #include <linux/types.h>
38 
39 /*
40  * Increment this value if any changes that break userspace ABI
41  * compatibility are made.
42  */
43 #define MLX4_IB_UVERBS_ABI_VERSION	3
44 
45 /*
46  * Make sure that all structs defined in this file remain laid out so
47  * that they pack the same way on 32-bit and 64-bit architectures (to
48  * avoid incompatibility between 32-bit userspace and 64-bit kernels).
49  * In particular do not use pointer types -- pass pointers in __u64
50  * instead.
51  */
52 
53 struct mlx4_ib_alloc_ucontext_resp {
54 	__u32	qp_tab_size;
55 	__u16	bf_reg_size;
56 	__u16	bf_regs_per_page;
57 };
58 
59 struct mlx4_ib_alloc_pd_resp {
60 	__u32	pdn;
61 	__u32	reserved;
62 };
63 
64 struct mlx4_ib_create_cq {
65 	__u64	buf_addr;
66 	__u64	db_addr;
67 };
68 
69 struct mlx4_ib_create_cq_resp {
70 	__u32	cqn;
71 	__u32	reserved;
72 };
73 
74 struct mlx4_ib_resize_cq {
75 	__u64	buf_addr;
76 };
77 
78 struct mlx4_ib_create_srq {
79 	__u64	buf_addr;
80 	__u64	db_addr;
81 };
82 
83 struct mlx4_ib_create_srq_resp {
84 	__u32	srqn;
85 	__u32	reserved;
86 };
87 
88 struct mlx4_ib_create_qp {
89 	__u64	buf_addr;
90 	__u64	db_addr;
91 	__u8	log_sq_bb_count;
92 	__u8	log_sq_stride;
93 	__u8	sq_no_prefetch;
94 	__u8	reserved[5];
95 };
96 
97 #endif /* MLX4_IB_USER_H */
98