xref: /OK3568_Linux_fs/kernel/drivers/infiniband/ulp/srpt/ib_dm_mad.h (revision 4882a59341e53eb6f0b4789bf948001014eff981) 
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * Copyright (c) 2006 - 2009 Mellanox Technology Inc.  All rights reserved.
3*4882a593Smuzhiyun  *
4*4882a593Smuzhiyun  * This software is available to you under a choice of one of two
5*4882a593Smuzhiyun  * licenses.  You may choose to be licensed under the terms of the GNU
6*4882a593Smuzhiyun  * General Public License (GPL) Version 2, available from the file
7*4882a593Smuzhiyun  * COPYING in the main directory of this source tree, or the
8*4882a593Smuzhiyun  * OpenIB.org BSD license below:
9*4882a593Smuzhiyun  *
10*4882a593Smuzhiyun  *     Redistribution and use in source and binary forms, with or
11*4882a593Smuzhiyun  *     without modification, are permitted provided that the following
12*4882a593Smuzhiyun  *     conditions are met:
13*4882a593Smuzhiyun  *
14*4882a593Smuzhiyun  *      - Redistributions of source code must retain the above
15*4882a593Smuzhiyun  *        copyright notice, this list of conditions and the following
16*4882a593Smuzhiyun  *        disclaimer.
17*4882a593Smuzhiyun  *
18*4882a593Smuzhiyun  *      - Redistributions in binary form must reproduce the above
19*4882a593Smuzhiyun  *        copyright notice, this list of conditions and the following
20*4882a593Smuzhiyun  *        disclaimer in the documentation and/or other materials
21*4882a593Smuzhiyun  *        provided with the distribution.
22*4882a593Smuzhiyun  *
23*4882a593Smuzhiyun  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24*4882a593Smuzhiyun  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25*4882a593Smuzhiyun  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26*4882a593Smuzhiyun  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27*4882a593Smuzhiyun  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28*4882a593Smuzhiyun  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29*4882a593Smuzhiyun  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
30*4882a593Smuzhiyun  * SOFTWARE.
31*4882a593Smuzhiyun  *
32*4882a593Smuzhiyun  */
33*4882a593Smuzhiyun 
34*4882a593Smuzhiyun #ifndef IB_DM_MAD_H
35*4882a593Smuzhiyun #define IB_DM_MAD_H
36*4882a593Smuzhiyun 
37*4882a593Smuzhiyun #include <linux/types.h>
38*4882a593Smuzhiyun 
39*4882a593Smuzhiyun #include <rdma/ib_mad.h>
40*4882a593Smuzhiyun 
41*4882a593Smuzhiyun enum {
42*4882a593Smuzhiyun 	/*
43*4882a593Smuzhiyun 	 * See also section 13.4.7 Status Field, table 115 MAD Common Status
44*4882a593Smuzhiyun 	 * Field Bit Values and also section 16.3.1.1 Status Field in the
45*4882a593Smuzhiyun 	 * InfiniBand Architecture Specification.
46*4882a593Smuzhiyun 	 */
47*4882a593Smuzhiyun 	DM_MAD_STATUS_UNSUP_METHOD = 0x0008,
48*4882a593Smuzhiyun 	DM_MAD_STATUS_UNSUP_METHOD_ATTR = 0x000c,
49*4882a593Smuzhiyun 	DM_MAD_STATUS_INVALID_FIELD = 0x001c,
50*4882a593Smuzhiyun 	DM_MAD_STATUS_NO_IOC = 0x0100,
51*4882a593Smuzhiyun 
52*4882a593Smuzhiyun 	/*
53*4882a593Smuzhiyun 	 * See also the Device Management chapter, section 16.3.3 Attributes,
54*4882a593Smuzhiyun 	 * table 279 Device Management Attributes in the InfiniBand
55*4882a593Smuzhiyun 	 * Architecture Specification.
56*4882a593Smuzhiyun 	 */
57*4882a593Smuzhiyun 	DM_ATTR_CLASS_PORT_INFO = 0x01,
58*4882a593Smuzhiyun 	DM_ATTR_IOU_INFO = 0x10,
59*4882a593Smuzhiyun 	DM_ATTR_IOC_PROFILE = 0x11,
60*4882a593Smuzhiyun 	DM_ATTR_SVC_ENTRIES = 0x12
61*4882a593Smuzhiyun };
62*4882a593Smuzhiyun 
63*4882a593Smuzhiyun struct ib_dm_hdr {
64*4882a593Smuzhiyun 	u8 reserved[28];
65*4882a593Smuzhiyun };
66*4882a593Smuzhiyun 
67*4882a593Smuzhiyun /*
68*4882a593Smuzhiyun  * Structure of management datagram sent by the SRP target implementation.
69*4882a593Smuzhiyun  * Contains a management datagram header, reliable multi-packet transaction
70*4882a593Smuzhiyun  * protocol (RMPP) header and ib_dm_hdr. Notes:
71*4882a593Smuzhiyun  * - The SRP target implementation does not use RMPP or ib_dm_hdr when sending
72*4882a593Smuzhiyun  *   management datagrams.
73*4882a593Smuzhiyun  * - The header size must be exactly 64 bytes (IB_MGMT_DEVICE_HDR), since this
74*4882a593Smuzhiyun  *   is the header size that is passed to ib_create_send_mad() in ib_srpt.c.
75*4882a593Smuzhiyun  * - The maximum supported size for a management datagram when not using RMPP
76*4882a593Smuzhiyun  *   is 256 bytes -- 64 bytes header and 192 (IB_MGMT_DEVICE_DATA) bytes data.
77*4882a593Smuzhiyun  */
78*4882a593Smuzhiyun struct ib_dm_mad {
79*4882a593Smuzhiyun 	struct ib_mad_hdr mad_hdr;
80*4882a593Smuzhiyun 	struct ib_rmpp_hdr rmpp_hdr;
81*4882a593Smuzhiyun 	struct ib_dm_hdr dm_hdr;
82*4882a593Smuzhiyun 	u8 data[IB_MGMT_DEVICE_DATA];
83*4882a593Smuzhiyun };
84*4882a593Smuzhiyun 
85*4882a593Smuzhiyun /*
86*4882a593Smuzhiyun  * IOUnitInfo as defined in section 16.3.3.3 IOUnitInfo of the InfiniBand
87*4882a593Smuzhiyun  * Architecture Specification.
88*4882a593Smuzhiyun  */
89*4882a593Smuzhiyun struct ib_dm_iou_info {
90*4882a593Smuzhiyun 	__be16 change_id;
91*4882a593Smuzhiyun 	u8 max_controllers;
92*4882a593Smuzhiyun 	u8 op_rom;
93*4882a593Smuzhiyun 	u8 controller_list[128];
94*4882a593Smuzhiyun };
95*4882a593Smuzhiyun 
96*4882a593Smuzhiyun /*
97*4882a593Smuzhiyun  * IOControllerprofile as defined in section 16.3.3.4 IOControllerProfile of
98*4882a593Smuzhiyun  * the InfiniBand Architecture Specification.
99*4882a593Smuzhiyun  */
100*4882a593Smuzhiyun struct ib_dm_ioc_profile {
101*4882a593Smuzhiyun 	__be64 guid;
102*4882a593Smuzhiyun 	__be32 vendor_id;
103*4882a593Smuzhiyun 	__be32 device_id;
104*4882a593Smuzhiyun 	__be16 device_version;
105*4882a593Smuzhiyun 	__be16 reserved1;
106*4882a593Smuzhiyun 	__be32 subsys_vendor_id;
107*4882a593Smuzhiyun 	__be32 subsys_device_id;
108*4882a593Smuzhiyun 	__be16 io_class;
109*4882a593Smuzhiyun 	__be16 io_subclass;
110*4882a593Smuzhiyun 	__be16 protocol;
111*4882a593Smuzhiyun 	__be16 protocol_version;
112*4882a593Smuzhiyun 	__be16 service_conn;
113*4882a593Smuzhiyun 	__be16 initiators_supported;
114*4882a593Smuzhiyun 	__be16 send_queue_depth;
115*4882a593Smuzhiyun 	u8 reserved2;
116*4882a593Smuzhiyun 	u8 rdma_read_depth;
117*4882a593Smuzhiyun 	__be32 send_size;
118*4882a593Smuzhiyun 	__be32 rdma_size;
119*4882a593Smuzhiyun 	u8 op_cap_mask;
120*4882a593Smuzhiyun 	u8 svc_cap_mask;
121*4882a593Smuzhiyun 	u8 num_svc_entries;
122*4882a593Smuzhiyun 	u8 reserved3[9];
123*4882a593Smuzhiyun 	u8 id_string[64];
124*4882a593Smuzhiyun };
125*4882a593Smuzhiyun 
126*4882a593Smuzhiyun struct ib_dm_svc_entry {
127*4882a593Smuzhiyun 	u8 name[40];
128*4882a593Smuzhiyun 	__be64 id;
129*4882a593Smuzhiyun };
130*4882a593Smuzhiyun 
131*4882a593Smuzhiyun /*
132*4882a593Smuzhiyun  * See also section 16.3.3.5 ServiceEntries in the InfiniBand Architecture
133*4882a593Smuzhiyun  * Specification. See also section B.7, table B.8 in the T10 SRP r16a document.
134*4882a593Smuzhiyun  */
135*4882a593Smuzhiyun struct ib_dm_svc_entries {
136*4882a593Smuzhiyun 	struct ib_dm_svc_entry service_entries[4];
137*4882a593Smuzhiyun };
138*4882a593Smuzhiyun 
139*4882a593Smuzhiyun #endif
140