1 /*
2 * Copyright (c) 2006 - 2009 Mellanox Technology Inc. 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
34 #ifndef IB_DM_MAD_H
35 #define IB_DM_MAD_H
36
37 #include <linux/types.h>
38
39 #include <rdma/ib_mad.h>
40
41 enum {
42 /*
43 * See also section 13.4.7 Status Field, table 115 MAD Common Status
44 * Field Bit Values and also section 16.3.1.1 Status Field in the
45 * InfiniBand Architecture Specification.
46 */
47 DM_MAD_STATUS_UNSUP_METHOD = 0x0008,
48 DM_MAD_STATUS_UNSUP_METHOD_ATTR = 0x000c,
49 DM_MAD_STATUS_INVALID_FIELD = 0x001c,
50 DM_MAD_STATUS_NO_IOC = 0x0100,
51
52 /*
53 * See also the Device Management chapter, section 16.3.3 Attributes,
54 * table 279 Device Management Attributes in the InfiniBand
55 * Architecture Specification.
56 */
57 DM_ATTR_CLASS_PORT_INFO = 0x01,
58 DM_ATTR_IOU_INFO = 0x10,
59 DM_ATTR_IOC_PROFILE = 0x11,
60 DM_ATTR_SVC_ENTRIES = 0x12
61 };
62
63 struct ib_dm_hdr {
64 u8 reserved[28];
65 };
66
67 /*
68 * Structure of management datagram sent by the SRP target implementation.
69 * Contains a management datagram header, reliable multi-packet transaction
70 * protocol (RMPP) header and ib_dm_hdr. Notes:
71 * - The SRP target implementation does not use RMPP or ib_dm_hdr when sending
72 * management datagrams.
73 * - The header size must be exactly 64 bytes (IB_MGMT_DEVICE_HDR), since this
74 * is the header size that is passed to ib_create_send_mad() in ib_srpt.c.
75 * - The maximum supported size for a management datagram when not using RMPP
76 * is 256 bytes -- 64 bytes header and 192 (IB_MGMT_DEVICE_DATA) bytes data.
77 */
78 struct ib_dm_mad {
79 struct ib_mad_hdr mad_hdr;
80 struct ib_rmpp_hdr rmpp_hdr;
81 struct ib_dm_hdr dm_hdr;
82 u8 data[IB_MGMT_DEVICE_DATA];
83 };
84
85 /*
86 * IOUnitInfo as defined in section 16.3.3.3 IOUnitInfo of the InfiniBand
87 * Architecture Specification.
88 */
89 struct ib_dm_iou_info {
90 __be16 change_id;
91 u8 max_controllers;
92 u8 op_rom;
93 u8 controller_list[128];
94 };
95
96 /*
97 * IOControllerprofile as defined in section 16.3.3.4 IOControllerProfile of
98 * the InfiniBand Architecture Specification.
99 */
100 struct ib_dm_ioc_profile {
101 __be64 guid;
102 __be32 vendor_id;
103 __be32 device_id;
104 __be16 device_version;
105 __be16 reserved1;
106 __be32 subsys_vendor_id;
107 __be32 subsys_device_id;
108 __be16 io_class;
109 __be16 io_subclass;
110 __be16 protocol;
111 __be16 protocol_version;
112 __be16 service_conn;
113 __be16 initiators_supported;
114 __be16 send_queue_depth;
115 u8 reserved2;
116 u8 rdma_read_depth;
117 __be32 send_size;
118 __be32 rdma_size;
119 u8 op_cap_mask;
120 u8 svc_cap_mask;
121 u8 num_svc_entries;
122 u8 reserved3[9];
123 u8 id_string[64];
124 };
125
126 struct ib_dm_svc_entry {
127 u8 name[40];
128 __be64 id;
129 };
130
131 /*
132 * See also section 16.3.3.5 ServiceEntries in the InfiniBand Architecture
133 * Specification. See also section B.7, table B.8 in the T10 SRP r16a document.
134 */
135 struct ib_dm_svc_entries {
136 struct ib_dm_svc_entry service_entries[4];
137 };
138
139 #endif