125 lines · c
1/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */2/*3 * Copyright (c) 2014 Intel Corporation. All rights reserved.4 */5 6#ifndef OPA_SMI_H7#define OPA_SMI_H8 9#include <rdma/ib_mad.h>10#include <rdma/ib_smi.h>11 12#define OPA_SMP_LID_DATA_SIZE 201613#define OPA_SMP_DR_DATA_SIZE 187214#define OPA_SMP_MAX_PATH_HOPS 6415 16#define OPA_MAX_VLS 3217#define OPA_MAX_SLS 3218#define OPA_MAX_SCS 3219 20#define OPA_LID_PERMISSIVE cpu_to_be32(0xFFFFFFFF)21 22struct opa_smp {23 u8 base_version;24 u8 mgmt_class;25 u8 class_version;26 u8 method;27 __be16 status;28 u8 hop_ptr;29 u8 hop_cnt;30 __be64 tid;31 __be16 attr_id;32 __be16 resv;33 __be32 attr_mod;34 __be64 mkey;35 union {36 struct {37 uint8_t data[OPA_SMP_LID_DATA_SIZE];38 } lid;39 struct {40 __be32 dr_slid;41 __be32 dr_dlid;42 u8 initial_path[OPA_SMP_MAX_PATH_HOPS];43 u8 return_path[OPA_SMP_MAX_PATH_HOPS];44 u8 reserved[8];45 u8 data[OPA_SMP_DR_DATA_SIZE];46 } dr;47 } route;48} __packed;49 50 51/* Subnet management attributes */52/* ... */53#define OPA_ATTRIB_ID_NODE_DESCRIPTION cpu_to_be16(0x0010)54#define OPA_ATTRIB_ID_NODE_INFO cpu_to_be16(0x0011)55#define OPA_ATTRIB_ID_PORT_INFO cpu_to_be16(0x0015)56#define OPA_ATTRIB_ID_PARTITION_TABLE cpu_to_be16(0x0016)57#define OPA_ATTRIB_ID_SL_TO_SC_MAP cpu_to_be16(0x0017)58#define OPA_ATTRIB_ID_VL_ARBITRATION cpu_to_be16(0x0018)59#define OPA_ATTRIB_ID_SM_INFO cpu_to_be16(0x0020)60#define OPA_ATTRIB_ID_CABLE_INFO cpu_to_be16(0x0032)61#define OPA_ATTRIB_ID_AGGREGATE cpu_to_be16(0x0080)62#define OPA_ATTRIB_ID_SC_TO_SL_MAP cpu_to_be16(0x0082)63#define OPA_ATTRIB_ID_SC_TO_VLR_MAP cpu_to_be16(0x0083)64#define OPA_ATTRIB_ID_SC_TO_VLT_MAP cpu_to_be16(0x0084)65#define OPA_ATTRIB_ID_SC_TO_VLNT_MAP cpu_to_be16(0x0085)66/* ... */67#define OPA_ATTRIB_ID_PORT_STATE_INFO cpu_to_be16(0x0087)68/* ... */69#define OPA_ATTRIB_ID_BUFFER_CONTROL_TABLE cpu_to_be16(0x008A)70/* ... */71 72struct opa_node_description {73 u8 data[64];74} __packed;75 76struct opa_node_info {77 u8 base_version;78 u8 class_version;79 u8 node_type;80 u8 num_ports;81 __be32 reserved;82 __be64 system_image_guid;83 __be64 node_guid;84 __be64 port_guid;85 __be16 partition_cap;86 __be16 device_id;87 __be32 revision;88 u8 local_port_num;89 u8 vendor_id[3]; /* network byte order */90} __packed;91 92#define OPA_PARTITION_TABLE_BLK_SIZE 3293 94static inline u895opa_get_smp_direction(struct opa_smp *smp)96{97 return ib_get_smp_direction((struct ib_smp *)smp);98}99 100static inline u8 *opa_get_smp_data(struct opa_smp *smp)101{102 if (smp->mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE)103 return smp->route.dr.data;104 105 return smp->route.lid.data;106}107 108static inline size_t opa_get_smp_data_size(struct opa_smp *smp)109{110 if (smp->mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE)111 return sizeof(smp->route.dr.data);112 113 return sizeof(smp->route.lid.data);114}115 116static inline size_t opa_get_smp_header_size(struct opa_smp *smp)117{118 if (smp->mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE)119 return sizeof(*smp) - sizeof(smp->route.dr.data);120 121 return sizeof(*smp) - sizeof(smp->route.lid.data);122}123 124#endif /* OPA_SMI_H */125