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Linux kernel mirror (for testing)
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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#include <linux/types.h>
38
39/*
40 * Increment this value if any changes that break userspace ABI
41 * compatibility are made.
42 */
43
44#define MLX4_IB_UVERBS_NO_DEV_CAPS_ABI_VERSION 3
45#define MLX4_IB_UVERBS_ABI_VERSION 4
46
47/*
48 * Make sure that all structs defined in this file remain laid out so
49 * that they pack the same way on 32-bit and 64-bit architectures (to
50 * avoid incompatibility between 32-bit userspace and 64-bit kernels).
51 * In particular do not use pointer types -- pass pointers in __u64
52 * instead.
53 */
54
55struct mlx4_ib_alloc_ucontext_resp_v3 {
56 __u32 qp_tab_size;
57 __u16 bf_reg_size;
58 __u16 bf_regs_per_page;
59};
60
61struct mlx4_ib_alloc_ucontext_resp {
62 __u32 dev_caps;
63 __u32 qp_tab_size;
64 __u16 bf_reg_size;
65 __u16 bf_regs_per_page;
66 __u32 cqe_size;
67};
68
69struct mlx4_ib_alloc_pd_resp {
70 __u32 pdn;
71 __u32 reserved;
72};
73
74struct mlx4_ib_create_cq {
75 __u64 buf_addr;
76 __u64 db_addr;
77};
78
79struct mlx4_ib_create_cq_resp {
80 __u32 cqn;
81 __u32 reserved;
82};
83
84struct mlx4_ib_resize_cq {
85 __u64 buf_addr;
86};
87
88struct mlx4_ib_create_srq {
89 __u64 buf_addr;
90 __u64 db_addr;
91};
92
93struct mlx4_ib_create_srq_resp {
94 __u32 srqn;
95 __u32 reserved;
96};
97
98struct mlx4_ib_create_qp_rss {
99 __u64 rx_hash_fields_mask;
100 __u8 rx_hash_function;
101 __u8 reserved[7];
102 __u8 rx_hash_key[40];
103 __u32 comp_mask;
104 __u32 reserved1;
105};
106
107struct mlx4_ib_create_qp {
108 __u64 buf_addr;
109 __u64 db_addr;
110 __u8 log_sq_bb_count;
111 __u8 log_sq_stride;
112 __u8 sq_no_prefetch;
113 __u8 reserved;
114 __u32 inl_recv_sz;
115};
116
117struct mlx4_ib_create_wq {
118 __u64 buf_addr;
119 __u64 db_addr;
120 __u8 log_range_size;
121 __u8 reserved[3];
122 __u32 comp_mask;
123};
124
125struct mlx4_ib_modify_wq {
126 __u32 comp_mask;
127 __u32 reserved;
128};
129
130struct mlx4_ib_create_rwq_ind_tbl_resp {
131 __u32 response_length;
132 __u32 reserved;
133};
134
135/* RX Hash function flags */
136enum mlx4_ib_rx_hash_function_flags {
137 MLX4_IB_RX_HASH_FUNC_TOEPLITZ = 1 << 0,
138};
139
140/*
141 * RX Hash flags, these flags allows to set which incoming packet's field should
142 * participates in RX Hash. Each flag represent certain packet's field,
143 * when the flag is set the field that is represented by the flag will
144 * participate in RX Hash calculation.
145 */
146enum mlx4_ib_rx_hash_fields {
147 MLX4_IB_RX_HASH_SRC_IPV4 = 1 << 0,
148 MLX4_IB_RX_HASH_DST_IPV4 = 1 << 1,
149 MLX4_IB_RX_HASH_SRC_IPV6 = 1 << 2,
150 MLX4_IB_RX_HASH_DST_IPV6 = 1 << 3,
151 MLX4_IB_RX_HASH_SRC_PORT_TCP = 1 << 4,
152 MLX4_IB_RX_HASH_DST_PORT_TCP = 1 << 5,
153 MLX4_IB_RX_HASH_SRC_PORT_UDP = 1 << 6,
154 MLX4_IB_RX_HASH_DST_PORT_UDP = 1 << 7
155};
156
157#endif /* MLX4_ABI_USER_H */