1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause OR GPL-2.0 3 * 4 * Copyright (c) 2014 Intel Corporation. All rights reserved. 5 * 6 * This software is available to you under a choice of one of two 7 * licenses. You may choose to be licensed under the terms of the GNU 8 * General Public License (GPL) Version 2, available from the file 9 * COPYING in the main directory of this source tree, or the 10 * OpenIB.org BSD license below: 11 * 12 * Redistribution and use in source and binary forms, with or 13 * without modification, are permitted provided that the following 14 * conditions are met: 15 * 16 * - Redistributions of source code must retain the above 17 * copyright notice, this list of conditions and the following 18 * disclaimer. 19 * 20 * - Redistributions in binary form must reproduce the above 21 * copyright notice, this list of conditions and the following 22 * disclaimer in the documentation and/or other materials 23 * provided with the distribution. 24 * 25 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 26 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 27 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 28 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 29 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 30 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 31 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 32 * SOFTWARE. 33 * 34 * $FreeBSD$ 35 */ 36 37 #if !defined(OPA_SMI_H) 38 #define OPA_SMI_H 39 40 #include <rdma/ib_mad.h> 41 #include <rdma/ib_smi.h> 42 43 #define OPA_SMP_LID_DATA_SIZE 2016 44 #define OPA_SMP_DR_DATA_SIZE 1872 45 #define OPA_SMP_MAX_PATH_HOPS 64 46 47 #define OPA_MAX_VLS 32 48 #define OPA_MAX_SLS 32 49 #define OPA_MAX_SCS 32 50 51 #define OPA_SMI_CLASS_VERSION 0x80 52 53 #define OPA_LID_PERMISSIVE cpu_to_be32(0xFFFFFFFF) 54 55 struct opa_smp { 56 u8 base_version; 57 u8 mgmt_class; 58 u8 class_version; 59 u8 method; 60 __be16 status; 61 u8 hop_ptr; 62 u8 hop_cnt; 63 __be64 tid; 64 __be16 attr_id; 65 __be16 resv; 66 __be32 attr_mod; 67 __be64 mkey; 68 union { 69 struct { 70 uint8_t data[OPA_SMP_LID_DATA_SIZE]; 71 } lid; 72 struct { 73 __be32 dr_slid; 74 __be32 dr_dlid; 75 u8 initial_path[OPA_SMP_MAX_PATH_HOPS]; 76 u8 return_path[OPA_SMP_MAX_PATH_HOPS]; 77 u8 reserved[8]; 78 u8 data[OPA_SMP_DR_DATA_SIZE]; 79 } dr; 80 } route; 81 } __packed; 82 83 84 /* Subnet management attributes */ 85 /* ... */ 86 #define OPA_ATTRIB_ID_NODE_DESCRIPTION cpu_to_be16(0x0010) 87 #define OPA_ATTRIB_ID_NODE_INFO cpu_to_be16(0x0011) 88 #define OPA_ATTRIB_ID_PORT_INFO cpu_to_be16(0x0015) 89 #define OPA_ATTRIB_ID_PARTITION_TABLE cpu_to_be16(0x0016) 90 #define OPA_ATTRIB_ID_SL_TO_SC_MAP cpu_to_be16(0x0017) 91 #define OPA_ATTRIB_ID_VL_ARBITRATION cpu_to_be16(0x0018) 92 #define OPA_ATTRIB_ID_SM_INFO cpu_to_be16(0x0020) 93 #define OPA_ATTRIB_ID_CABLE_INFO cpu_to_be16(0x0032) 94 #define OPA_ATTRIB_ID_AGGREGATE cpu_to_be16(0x0080) 95 #define OPA_ATTRIB_ID_SC_TO_SL_MAP cpu_to_be16(0x0082) 96 #define OPA_ATTRIB_ID_SC_TO_VLR_MAP cpu_to_be16(0x0083) 97 #define OPA_ATTRIB_ID_SC_TO_VLT_MAP cpu_to_be16(0x0084) 98 #define OPA_ATTRIB_ID_SC_TO_VLNT_MAP cpu_to_be16(0x0085) 99 /* ... */ 100 #define OPA_ATTRIB_ID_PORT_STATE_INFO cpu_to_be16(0x0087) 101 /* ... */ 102 #define OPA_ATTRIB_ID_BUFFER_CONTROL_TABLE cpu_to_be16(0x008A) 103 /* ... */ 104 105 struct opa_node_description { 106 u8 data[64]; 107 } __attribute__ ((packed)); 108 109 struct opa_node_info { 110 u8 base_version; 111 u8 class_version; 112 u8 node_type; 113 u8 num_ports; 114 __be32 reserved; 115 __be64 system_image_guid; 116 __be64 node_guid; 117 __be64 port_guid; 118 __be16 partition_cap; 119 __be16 device_id; 120 __be32 revision; 121 u8 local_port_num; 122 u8 vendor_id[3]; /* network byte order */ 123 } __attribute__ ((packed)); 124 125 #define OPA_PARTITION_TABLE_BLK_SIZE 32 126 127 static inline u8 128 opa_get_smp_direction(const struct opa_smp *smp) 129 { 130 return ib_get_smp_direction((const struct ib_smp *)smp); 131 } 132 133 static inline u8 *opa_get_smp_data(struct opa_smp *smp) 134 { 135 if (smp->mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE) 136 return smp->route.dr.data; 137 138 return smp->route.lid.data; 139 } 140 141 static inline size_t opa_get_smp_data_size(const struct opa_smp *smp) 142 { 143 if (smp->mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE) 144 return sizeof(smp->route.dr.data); 145 146 return sizeof(smp->route.lid.data); 147 } 148 149 static inline size_t opa_get_smp_header_size(const struct opa_smp *smp) 150 { 151 if (smp->mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE) 152 return sizeof(*smp) - sizeof(smp->route.dr.data); 153 154 return sizeof(*smp) - sizeof(smp->route.lid.data); 155 } 156 157 #endif /* OPA_SMI_H */ 158