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/
usr
/
src
/
linux-headers-6.8.0-36
/
include
/
rdma
/ [
drwxr-xr-x
]
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opa_smi.h
/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ /* * Copyright (c) 2014 Intel Corporation. All rights reserved. */ #ifndef OPA_SMI_H #define OPA_SMI_H #include <rdma/ib_mad.h> #include <rdma/ib_smi.h> #define OPA_SMP_LID_DATA_SIZE 2016 #define OPA_SMP_DR_DATA_SIZE 1872 #define OPA_SMP_MAX_PATH_HOPS 64 #define OPA_MAX_VLS 32 #define OPA_MAX_SLS 32 #define OPA_MAX_SCS 32 #define OPA_LID_PERMISSIVE cpu_to_be32(0xFFFFFFFF) struct opa_smp { u8 base_version; u8 mgmt_class; u8 class_version; u8 method; __be16 status; u8 hop_ptr; u8 hop_cnt; __be64 tid; __be16 attr_id; __be16 resv; __be32 attr_mod; __be64 mkey; union { struct { uint8_t data[OPA_SMP_LID_DATA_SIZE]; } lid; struct { __be32 dr_slid; __be32 dr_dlid; u8 initial_path[OPA_SMP_MAX_PATH_HOPS]; u8 return_path[OPA_SMP_MAX_PATH_HOPS]; u8 reserved[8]; u8 data[OPA_SMP_DR_DATA_SIZE]; } dr; } route; } __packed; /* Subnet management attributes */ /* ... */ #define OPA_ATTRIB_ID_NODE_DESCRIPTION cpu_to_be16(0x0010) #define OPA_ATTRIB_ID_NODE_INFO cpu_to_be16(0x0011) #define OPA_ATTRIB_ID_PORT_INFO cpu_to_be16(0x0015) #define OPA_ATTRIB_ID_PARTITION_TABLE cpu_to_be16(0x0016) #define OPA_ATTRIB_ID_SL_TO_SC_MAP cpu_to_be16(0x0017) #define OPA_ATTRIB_ID_VL_ARBITRATION cpu_to_be16(0x0018) #define OPA_ATTRIB_ID_SM_INFO cpu_to_be16(0x0020) #define OPA_ATTRIB_ID_CABLE_INFO cpu_to_be16(0x0032) #define OPA_ATTRIB_ID_AGGREGATE cpu_to_be16(0x0080) #define OPA_ATTRIB_ID_SC_TO_SL_MAP cpu_to_be16(0x0082) #define OPA_ATTRIB_ID_SC_TO_VLR_MAP cpu_to_be16(0x0083) #define OPA_ATTRIB_ID_SC_TO_VLT_MAP cpu_to_be16(0x0084) #define OPA_ATTRIB_ID_SC_TO_VLNT_MAP cpu_to_be16(0x0085) /* ... */ #define OPA_ATTRIB_ID_PORT_STATE_INFO cpu_to_be16(0x0087) /* ... */ #define OPA_ATTRIB_ID_BUFFER_CONTROL_TABLE cpu_to_be16(0x008A) /* ... */ struct opa_node_description { u8 data[64]; } __packed; struct opa_node_info { u8 base_version; u8 class_version; u8 node_type; u8 num_ports; __be32 reserved; __be64 system_image_guid; __be64 node_guid; __be64 port_guid; __be16 partition_cap; __be16 device_id; __be32 revision; u8 local_port_num; u8 vendor_id[3]; /* network byte order */ } __packed; #define OPA_PARTITION_TABLE_BLK_SIZE 32 static inline u8 opa_get_smp_direction(struct opa_smp *smp) { return ib_get_smp_direction((struct ib_smp *)smp); } static inline u8 *opa_get_smp_data(struct opa_smp *smp) { if (smp->mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE) return smp->route.dr.data; return smp->route.lid.data; } static inline size_t opa_get_smp_data_size(struct opa_smp *smp) { if (smp->mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE) return sizeof(smp->route.dr.data); return sizeof(smp->route.lid.data); } static inline size_t opa_get_smp_header_size(struct opa_smp *smp) { if (smp->mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE) return sizeof(*smp) - sizeof(smp->route.dr.data); return sizeof(*smp) - sizeof(smp->route.lid.data); } #endif /* OPA_SMI_H */
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