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e2be04c7 | 1 | /* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) */ |
8700e3e7 MS |
2 | /* |
3 | * Copyright (c) 2016 Mellanox Technologies Ltd. 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 RDMA_USER_RXE_H | |
35 | #define RDMA_USER_RXE_H | |
36 | ||
37 | #include <linux/types.h> | |
38 | ||
39 | union rxe_gid { | |
40 | __u8 raw[16]; | |
41 | struct { | |
42 | __be64 subnet_prefix; | |
43 | __be64 interface_id; | |
44 | } global; | |
45 | }; | |
46 | ||
47 | struct rxe_global_route { | |
48 | union rxe_gid dgid; | |
49 | __u32 flow_label; | |
50 | __u8 sgid_index; | |
51 | __u8 hop_limit; | |
52 | __u8 traffic_class; | |
53 | }; | |
54 | ||
55 | struct rxe_av { | |
56 | __u8 port_num; | |
57 | __u8 network_type; | |
58 | struct rxe_global_route grh; | |
59 | union { | |
60 | struct sockaddr _sockaddr; | |
61 | struct sockaddr_in _sockaddr_in; | |
62 | struct sockaddr_in6 _sockaddr_in6; | |
63 | } sgid_addr, dgid_addr; | |
64 | }; | |
65 | ||
66 | struct rxe_send_wr { | |
67 | __u64 wr_id; | |
68 | __u32 num_sge; | |
69 | __u32 opcode; | |
70 | __u32 send_flags; | |
71 | union { | |
72 | __be32 imm_data; | |
73 | __u32 invalidate_rkey; | |
74 | } ex; | |
75 | union { | |
76 | struct { | |
77 | __u64 remote_addr; | |
78 | __u32 rkey; | |
79 | } rdma; | |
80 | struct { | |
81 | __u64 remote_addr; | |
82 | __u64 compare_add; | |
83 | __u64 swap; | |
84 | __u32 rkey; | |
85 | } atomic; | |
86 | struct { | |
87 | __u32 remote_qpn; | |
88 | __u32 remote_qkey; | |
89 | __u16 pkey_index; | |
90 | } ud; | |
91 | struct { | |
92 | struct ib_mr *mr; | |
93 | __u32 key; | |
94 | int access; | |
95 | } reg; | |
96 | } wr; | |
97 | }; | |
98 | ||
99 | struct rxe_sge { | |
100 | __u64 addr; | |
101 | __u32 length; | |
102 | __u32 lkey; | |
103 | }; | |
104 | ||
105 | struct mminfo { | |
106 | __u64 offset; | |
107 | __u32 size; | |
108 | __u32 pad; | |
109 | }; | |
110 | ||
111 | struct rxe_dma_info { | |
112 | __u32 length; | |
113 | __u32 resid; | |
114 | __u32 cur_sge; | |
115 | __u32 num_sge; | |
116 | __u32 sge_offset; | |
117 | union { | |
118 | __u8 inline_data[0]; | |
119 | struct rxe_sge sge[0]; | |
120 | }; | |
121 | }; | |
122 | ||
123 | struct rxe_send_wqe { | |
124 | struct rxe_send_wr wr; | |
125 | struct rxe_av av; | |
126 | __u32 status; | |
127 | __u32 state; | |
128 | __u64 iova; | |
129 | __u32 mask; | |
130 | __u32 first_psn; | |
131 | __u32 last_psn; | |
132 | __u32 ack_length; | |
133 | __u32 ssn; | |
134 | __u32 has_rd_atomic; | |
135 | struct rxe_dma_info dma; | |
136 | }; | |
137 | ||
138 | struct rxe_recv_wqe { | |
139 | __u64 wr_id; | |
140 | __u32 num_sge; | |
141 | __u32 padding; | |
142 | struct rxe_dma_info dma; | |
143 | }; | |
144 | ||
145 | #endif /* RDMA_USER_RXE_H */ |