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Diffstat (limited to 'drivers/infiniband/include/ib_user_mad.h')
-rw-r--r-- | drivers/infiniband/include/ib_user_mad.h | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/drivers/infiniband/include/ib_user_mad.h b/drivers/infiniband/include/ib_user_mad.h new file mode 100644 index 000000000000..06ad4a6075fa --- /dev/null +++ b/drivers/infiniband/include/ib_user_mad.h | |||
@@ -0,0 +1,123 @@ | |||
1 | /* | ||
2 | * Copyright (c) 2004 Topspin Communications. 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 | * $Id: ib_user_mad.h 1389 2004-12-27 22:56:47Z roland $ | ||
33 | */ | ||
34 | |||
35 | #ifndef IB_USER_MAD_H | ||
36 | #define IB_USER_MAD_H | ||
37 | |||
38 | #include <linux/types.h> | ||
39 | #include <linux/ioctl.h> | ||
40 | |||
41 | /* | ||
42 | * Increment this value if any changes that break userspace ABI | ||
43 | * compatibility are made. | ||
44 | */ | ||
45 | #define IB_USER_MAD_ABI_VERSION 2 | ||
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 | */ | ||
52 | |||
53 | /** | ||
54 | * ib_user_mad - MAD packet | ||
55 | * @data - Contents of MAD | ||
56 | * @id - ID of agent MAD received with/to be sent with | ||
57 | * @status - 0 on successful receive, ETIMEDOUT if no response | ||
58 | * received (transaction ID in data[] will be set to TID of original | ||
59 | * request) (ignored on send) | ||
60 | * @timeout_ms - Milliseconds to wait for response (unset on receive) | ||
61 | * @qpn - Remote QP number received from/to be sent to | ||
62 | * @qkey - Remote Q_Key to be sent with (unset on receive) | ||
63 | * @lid - Remote lid received from/to be sent to | ||
64 | * @sl - Service level received with/to be sent with | ||
65 | * @path_bits - Local path bits received with/to be sent with | ||
66 | * @grh_present - If set, GRH was received/should be sent | ||
67 | * @gid_index - Local GID index to send with (unset on receive) | ||
68 | * @hop_limit - Hop limit in GRH | ||
69 | * @traffic_class - Traffic class in GRH | ||
70 | * @gid - Remote GID in GRH | ||
71 | * @flow_label - Flow label in GRH | ||
72 | * | ||
73 | * All multi-byte quantities are stored in network (big endian) byte order. | ||
74 | */ | ||
75 | struct ib_user_mad { | ||
76 | __u8 data[256]; | ||
77 | __u32 id; | ||
78 | __u32 status; | ||
79 | __u32 timeout_ms; | ||
80 | __u32 qpn; | ||
81 | __u32 qkey; | ||
82 | __u16 lid; | ||
83 | __u8 sl; | ||
84 | __u8 path_bits; | ||
85 | __u8 grh_present; | ||
86 | __u8 gid_index; | ||
87 | __u8 hop_limit; | ||
88 | __u8 traffic_class; | ||
89 | __u8 gid[16]; | ||
90 | __u32 flow_label; | ||
91 | }; | ||
92 | |||
93 | /** | ||
94 | * ib_user_mad_reg_req - MAD registration request | ||
95 | * @id - Set by the kernel; used to identify agent in future requests. | ||
96 | * @qpn - Queue pair number; must be 0 or 1. | ||
97 | * @method_mask - The caller will receive unsolicited MADs for any method | ||
98 | * where @method_mask = 1. | ||
99 | * @mgmt_class - Indicates which management class of MADs should be receive | ||
100 | * by the caller. This field is only required if the user wishes to | ||
101 | * receive unsolicited MADs, otherwise it should be 0. | ||
102 | * @mgmt_class_version - Indicates which version of MADs for the given | ||
103 | * management class to receive. | ||
104 | * @oui: Indicates IEEE OUI when mgmt_class is a vendor class | ||
105 | * in the range from 0x30 to 0x4f. Otherwise not used. | ||
106 | */ | ||
107 | struct ib_user_mad_reg_req { | ||
108 | __u32 id; | ||
109 | __u32 method_mask[4]; | ||
110 | __u8 qpn; | ||
111 | __u8 mgmt_class; | ||
112 | __u8 mgmt_class_version; | ||
113 | __u8 oui[3]; | ||
114 | }; | ||
115 | |||
116 | #define IB_IOCTL_MAGIC 0x1b | ||
117 | |||
118 | #define IB_USER_MAD_REGISTER_AGENT _IOWR(IB_IOCTL_MAGIC, 1, \ | ||
119 | struct ib_user_mad_reg_req) | ||
120 | |||
121 | #define IB_USER_MAD_UNREGISTER_AGENT _IOW(IB_IOCTL_MAGIC, 2, __u32) | ||
122 | |||
123 | #endif /* IB_USER_MAD_H */ | ||