Bart Van Assche | a42d985 | 2011-10-14 01:30:46 +0000 | [diff] [blame] | 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 |