1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Copyright (c) 2014 Intel Corporation. All rights reserved. 4*4882a593Smuzhiyun */ 5*4882a593Smuzhiyun 6*4882a593Smuzhiyun #ifndef OPA_SMI_H 7*4882a593Smuzhiyun #define OPA_SMI_H 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun #include <rdma/ib_mad.h> 10*4882a593Smuzhiyun #include <rdma/ib_smi.h> 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun #define OPA_SMP_LID_DATA_SIZE 2016 13*4882a593Smuzhiyun #define OPA_SMP_DR_DATA_SIZE 1872 14*4882a593Smuzhiyun #define OPA_SMP_MAX_PATH_HOPS 64 15*4882a593Smuzhiyun 16*4882a593Smuzhiyun #define OPA_MAX_VLS 32 17*4882a593Smuzhiyun #define OPA_MAX_SLS 32 18*4882a593Smuzhiyun #define OPA_MAX_SCS 32 19*4882a593Smuzhiyun 20*4882a593Smuzhiyun #define OPA_LID_PERMISSIVE cpu_to_be32(0xFFFFFFFF) 21*4882a593Smuzhiyun 22*4882a593Smuzhiyun struct opa_smp { 23*4882a593Smuzhiyun u8 base_version; 24*4882a593Smuzhiyun u8 mgmt_class; 25*4882a593Smuzhiyun u8 class_version; 26*4882a593Smuzhiyun u8 method; 27*4882a593Smuzhiyun __be16 status; 28*4882a593Smuzhiyun u8 hop_ptr; 29*4882a593Smuzhiyun u8 hop_cnt; 30*4882a593Smuzhiyun __be64 tid; 31*4882a593Smuzhiyun __be16 attr_id; 32*4882a593Smuzhiyun __be16 resv; 33*4882a593Smuzhiyun __be32 attr_mod; 34*4882a593Smuzhiyun __be64 mkey; 35*4882a593Smuzhiyun union { 36*4882a593Smuzhiyun struct { 37*4882a593Smuzhiyun uint8_t data[OPA_SMP_LID_DATA_SIZE]; 38*4882a593Smuzhiyun } lid; 39*4882a593Smuzhiyun struct { 40*4882a593Smuzhiyun __be32 dr_slid; 41*4882a593Smuzhiyun __be32 dr_dlid; 42*4882a593Smuzhiyun u8 initial_path[OPA_SMP_MAX_PATH_HOPS]; 43*4882a593Smuzhiyun u8 return_path[OPA_SMP_MAX_PATH_HOPS]; 44*4882a593Smuzhiyun u8 reserved[8]; 45*4882a593Smuzhiyun u8 data[OPA_SMP_DR_DATA_SIZE]; 46*4882a593Smuzhiyun } dr; 47*4882a593Smuzhiyun } route; 48*4882a593Smuzhiyun } __packed; 49*4882a593Smuzhiyun 50*4882a593Smuzhiyun 51*4882a593Smuzhiyun /* Subnet management attributes */ 52*4882a593Smuzhiyun /* ... */ 53*4882a593Smuzhiyun #define OPA_ATTRIB_ID_NODE_DESCRIPTION cpu_to_be16(0x0010) 54*4882a593Smuzhiyun #define OPA_ATTRIB_ID_NODE_INFO cpu_to_be16(0x0011) 55*4882a593Smuzhiyun #define OPA_ATTRIB_ID_PORT_INFO cpu_to_be16(0x0015) 56*4882a593Smuzhiyun #define OPA_ATTRIB_ID_PARTITION_TABLE cpu_to_be16(0x0016) 57*4882a593Smuzhiyun #define OPA_ATTRIB_ID_SL_TO_SC_MAP cpu_to_be16(0x0017) 58*4882a593Smuzhiyun #define OPA_ATTRIB_ID_VL_ARBITRATION cpu_to_be16(0x0018) 59*4882a593Smuzhiyun #define OPA_ATTRIB_ID_SM_INFO cpu_to_be16(0x0020) 60*4882a593Smuzhiyun #define OPA_ATTRIB_ID_CABLE_INFO cpu_to_be16(0x0032) 61*4882a593Smuzhiyun #define OPA_ATTRIB_ID_AGGREGATE cpu_to_be16(0x0080) 62*4882a593Smuzhiyun #define OPA_ATTRIB_ID_SC_TO_SL_MAP cpu_to_be16(0x0082) 63*4882a593Smuzhiyun #define OPA_ATTRIB_ID_SC_TO_VLR_MAP cpu_to_be16(0x0083) 64*4882a593Smuzhiyun #define OPA_ATTRIB_ID_SC_TO_VLT_MAP cpu_to_be16(0x0084) 65*4882a593Smuzhiyun #define OPA_ATTRIB_ID_SC_TO_VLNT_MAP cpu_to_be16(0x0085) 66*4882a593Smuzhiyun /* ... */ 67*4882a593Smuzhiyun #define OPA_ATTRIB_ID_PORT_STATE_INFO cpu_to_be16(0x0087) 68*4882a593Smuzhiyun /* ... */ 69*4882a593Smuzhiyun #define OPA_ATTRIB_ID_BUFFER_CONTROL_TABLE cpu_to_be16(0x008A) 70*4882a593Smuzhiyun /* ... */ 71*4882a593Smuzhiyun 72*4882a593Smuzhiyun struct opa_node_description { 73*4882a593Smuzhiyun u8 data[64]; 74*4882a593Smuzhiyun } __packed; 75*4882a593Smuzhiyun 76*4882a593Smuzhiyun struct opa_node_info { 77*4882a593Smuzhiyun u8 base_version; 78*4882a593Smuzhiyun u8 class_version; 79*4882a593Smuzhiyun u8 node_type; 80*4882a593Smuzhiyun u8 num_ports; 81*4882a593Smuzhiyun __be32 reserved; 82*4882a593Smuzhiyun __be64 system_image_guid; 83*4882a593Smuzhiyun __be64 node_guid; 84*4882a593Smuzhiyun __be64 port_guid; 85*4882a593Smuzhiyun __be16 partition_cap; 86*4882a593Smuzhiyun __be16 device_id; 87*4882a593Smuzhiyun __be32 revision; 88*4882a593Smuzhiyun u8 local_port_num; 89*4882a593Smuzhiyun u8 vendor_id[3]; /* network byte order */ 90*4882a593Smuzhiyun } __packed; 91*4882a593Smuzhiyun 92*4882a593Smuzhiyun #define OPA_PARTITION_TABLE_BLK_SIZE 32 93*4882a593Smuzhiyun 94*4882a593Smuzhiyun static inline u8 opa_get_smp_direction(struct opa_smp * smp)95*4882a593Smuzhiyunopa_get_smp_direction(struct opa_smp *smp) 96*4882a593Smuzhiyun { 97*4882a593Smuzhiyun return ib_get_smp_direction((struct ib_smp *)smp); 98*4882a593Smuzhiyun } 99*4882a593Smuzhiyun opa_get_smp_data(struct opa_smp * smp)100*4882a593Smuzhiyunstatic inline u8 *opa_get_smp_data(struct opa_smp *smp) 101*4882a593Smuzhiyun { 102*4882a593Smuzhiyun if (smp->mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE) 103*4882a593Smuzhiyun return smp->route.dr.data; 104*4882a593Smuzhiyun 105*4882a593Smuzhiyun return smp->route.lid.data; 106*4882a593Smuzhiyun } 107*4882a593Smuzhiyun opa_get_smp_data_size(struct opa_smp * smp)108*4882a593Smuzhiyunstatic inline size_t opa_get_smp_data_size(struct opa_smp *smp) 109*4882a593Smuzhiyun { 110*4882a593Smuzhiyun if (smp->mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE) 111*4882a593Smuzhiyun return sizeof(smp->route.dr.data); 112*4882a593Smuzhiyun 113*4882a593Smuzhiyun return sizeof(smp->route.lid.data); 114*4882a593Smuzhiyun } 115*4882a593Smuzhiyun opa_get_smp_header_size(struct opa_smp * smp)116*4882a593Smuzhiyunstatic inline size_t opa_get_smp_header_size(struct opa_smp *smp) 117*4882a593Smuzhiyun { 118*4882a593Smuzhiyun if (smp->mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE) 119*4882a593Smuzhiyun return sizeof(*smp) - sizeof(smp->route.dr.data); 120*4882a593Smuzhiyun 121*4882a593Smuzhiyun return sizeof(*smp) - sizeof(smp->route.lid.data); 122*4882a593Smuzhiyun } 123*4882a593Smuzhiyun 124*4882a593Smuzhiyun #endif /* OPA_SMI_H */ 125