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opa_smi.h
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/* 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 */