1 /* 2 * Copyright (c) 2014 Intel Corporation. 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 #if !defined(OPA_SMI_H) 34 #define OPA_SMI_H 35 36 #include <rdma/ib_mad.h> 37 #include <rdma/ib_smi.h> 38 39 #define OPA_SMP_LID_DATA_SIZE 2016 40 #define OPA_SMP_DR_DATA_SIZE 1872 41 #define OPA_SMP_MAX_PATH_HOPS 64 42 43 #define OPA_MAX_VLS 32 44 #define OPA_MAX_SLS 32 45 #define OPA_MAX_SCS 32 46 47 #define OPA_SMI_CLASS_VERSION 0x80 48 49 #define OPA_LID_PERMISSIVE cpu_to_be32(0xFFFFFFFF) 50 51 struct opa_smp { 52 u8 base_version; 53 u8 mgmt_class; 54 u8 class_version; 55 u8 method; 56 __be16 status; 57 u8 hop_ptr; 58 u8 hop_cnt; 59 __be64 tid; 60 __be16 attr_id; 61 __be16 resv; 62 __be32 attr_mod; 63 __be64 mkey; 64 union { 65 struct { 66 uint8_t data[OPA_SMP_LID_DATA_SIZE]; 67 } lid; 68 struct { 69 __be32 dr_slid; 70 __be32 dr_dlid; 71 u8 initial_path[OPA_SMP_MAX_PATH_HOPS]; 72 u8 return_path[OPA_SMP_MAX_PATH_HOPS]; 73 u8 reserved[8]; 74 u8 data[OPA_SMP_DR_DATA_SIZE]; 75 } dr; 76 } route; 77 } __packed; 78 79 80 /* Subnet management attributes */ 81 /* ... */ 82 #define OPA_ATTRIB_ID_NODE_DESCRIPTION cpu_to_be16(0x0010) 83 #define OPA_ATTRIB_ID_NODE_INFO cpu_to_be16(0x0011) 84 #define OPA_ATTRIB_ID_PORT_INFO cpu_to_be16(0x0015) 85 #define OPA_ATTRIB_ID_PARTITION_TABLE cpu_to_be16(0x0016) 86 #define OPA_ATTRIB_ID_SL_TO_SC_MAP cpu_to_be16(0x0017) 87 #define OPA_ATTRIB_ID_VL_ARBITRATION cpu_to_be16(0x0018) 88 #define OPA_ATTRIB_ID_SM_INFO cpu_to_be16(0x0020) 89 #define OPA_ATTRIB_ID_CABLE_INFO cpu_to_be16(0x0032) 90 #define OPA_ATTRIB_ID_AGGREGATE cpu_to_be16(0x0080) 91 #define OPA_ATTRIB_ID_SC_TO_SL_MAP cpu_to_be16(0x0082) 92 #define OPA_ATTRIB_ID_SC_TO_VLR_MAP cpu_to_be16(0x0083) 93 #define OPA_ATTRIB_ID_SC_TO_VLT_MAP cpu_to_be16(0x0084) 94 #define OPA_ATTRIB_ID_SC_TO_VLNT_MAP cpu_to_be16(0x0085) 95 /* ... */ 96 #define OPA_ATTRIB_ID_PORT_STATE_INFO cpu_to_be16(0x0087) 97 /* ... */ 98 #define OPA_ATTRIB_ID_BUFFER_CONTROL_TABLE cpu_to_be16(0x008A) 99 /* ... */ 100 101 struct opa_node_description { 102 u8 data[64]; 103 } __attribute__ ((packed)); 104 105 struct opa_node_info { 106 u8 base_version; 107 u8 class_version; 108 u8 node_type; 109 u8 num_ports; 110 __be32 reserved; 111 __be64 system_image_guid; 112 __be64 node_guid; 113 __be64 port_guid; 114 __be16 partition_cap; 115 __be16 device_id; 116 __be32 revision; 117 u8 local_port_num; 118 u8 vendor_id[3]; /* network byte order */ 119 } __attribute__ ((packed)); 120 121 #define OPA_PARTITION_TABLE_BLK_SIZE 32 122 123 static inline u8 124 opa_get_smp_direction(const struct opa_smp *smp) 125 { 126 return ib_get_smp_direction((const struct ib_smp *)smp); 127 } 128 129 static inline u8 *opa_get_smp_data(struct opa_smp *smp) 130 { 131 if (smp->mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE) 132 return smp->route.dr.data; 133 134 return smp->route.lid.data; 135 } 136 137 static inline size_t opa_get_smp_data_size(const struct opa_smp *smp) 138 { 139 if (smp->mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE) 140 return sizeof(smp->route.dr.data); 141 142 return sizeof(smp->route.lid.data); 143 } 144 145 static inline size_t opa_get_smp_header_size(const struct opa_smp *smp) 146 { 147 if (smp->mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE) 148 return sizeof(*smp) - sizeof(smp->route.dr.data); 149 150 return sizeof(*smp) - sizeof(smp->route.lid.data); 151 } 152 153 #endif /* OPA_SMI_H */ 154