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gerrit-public.fairphone.software / platform / external / kernel-headers / 6e3550f2a1c3909fb75be068f7ae9009f7e8622a / . / original / uapi / rdma / rdma_user_rxe.h
blob: 1de99cfdaf7d394bcc4645e49c489899b6231bb0 [file] [log] [blame]
Christopher Ferris6e3550f2016-12-12 14:51:18 -0800[diff] [blame^]1/*
2 * Copyright (c) 2016 Mellanox Technologies Ltd. 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 RDMA_USER_RXE_H
34#define RDMA_USER_RXE_H
35
36#include <linux/types.h>
37
38union rxe_gid {
39 __u8 raw[16];
40 struct {
41 __be64 subnet_prefix;
42 __be64 interface_id;
43 } global;
44};
45
46struct rxe_global_route {
47 union rxe_gid dgid;
48 __u32 flow_label;
49 __u8 sgid_index;
50 __u8 hop_limit;
51 __u8 traffic_class;
52};
53
54struct rxe_av {
55 __u8 port_num;
56 __u8 network_type;
57 struct rxe_global_route grh;
58 union {
59 struct sockaddr _sockaddr;
60 struct sockaddr_in _sockaddr_in;
61 struct sockaddr_in6 _sockaddr_in6;
62 } sgid_addr, dgid_addr;
63};
64
65struct rxe_send_wr {
66 __u64 wr_id;
67 __u32 num_sge;
68 __u32 opcode;
69 __u32 send_flags;
70 union {
71 __be32 imm_data;
72 __u32 invalidate_rkey;
73 } ex;
74 union {
75 struct {
76 __u64 remote_addr;
77 __u32 rkey;
78 } rdma;
79 struct {
80 __u64 remote_addr;
81 __u64 compare_add;
82 __u64 swap;
83 __u32 rkey;
84 } atomic;
85 struct {
86 __u32 remote_qpn;
87 __u32 remote_qkey;
88 __u16 pkey_index;
89 } ud;
90 struct {
91 struct ib_mr *mr;
92 __u32 key;
93 int access;
94 } reg;
95 } wr;
96};
97
98struct rxe_sge {
99 __u64 addr;
100 __u32 length;
101 __u32 lkey;
102};
103
104struct mminfo {
105 __u64 offset;
106 __u32 size;
107 __u32 pad;
108};
109
110struct rxe_dma_info {
111 __u32 length;
112 __u32 resid;
113 __u32 cur_sge;
114 __u32 num_sge;
115 __u32 sge_offset;
116 union {
117 __u8 inline_data[0];
118 struct rxe_sge sge[0];
119 };
120};
121
122struct rxe_send_wqe {
123 struct rxe_send_wr wr;
124 struct rxe_av av;
125 __u32 status;
126 __u32 state;
127 __u64 iova;
128 __u32 mask;
129 __u32 first_psn;
130 __u32 last_psn;
131 __u32 ack_length;
132 __u32 ssn;
133 __u32 has_rd_atomic;
134 struct rxe_dma_info dma;
135};
136
137struct rxe_recv_wqe {
138 __u64 wr_id;
139 __u32 num_sge;
140 __u32 padding;
141 struct rxe_dma_info dma;
142};
143
144#endif /* RDMA_USER_RXE_H */