cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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opa_smi.h (3074B)

      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_H
      7#define OPA_SMI_H
      8
      9#include <rdma/ib_mad.h>
     10#include <rdma/ib_smi.h>
     11
     12#define OPA_SMP_LID_DATA_SIZE			2016
     13#define OPA_SMP_DR_DATA_SIZE			1872
     14#define OPA_SMP_MAX_PATH_HOPS			64
     15
     16#define OPA_MAX_VLS				32
     17#define OPA_MAX_SLS				32
     18#define OPA_MAX_SCS				32
     19
     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 32
     93
     94static inline u8
     95opa_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 */