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| 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 |
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