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brintos / linux-shallow public Read only

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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