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/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
/*
* Copyright (c) 2004 Mellanox Technologies Ltd. All rights reserved.
* Copyright (c) 2004 Infinicon Corporation. All rights reserved.
* Copyright (c) 2004 Intel Corporation. All rights reserved.
* Copyright (c) 2004 Topspin Corporation. All rights reserved.
* Copyright (c) 2004 Voltaire Corporation. All rights reserved.
*/
#ifndef IB_SMI_H
#define IB_SMI_H
#include <rdma/ib_mad.h>
#define IB_SMP_DATA_SIZE 64
#define IB_SMP_MAX_PATH_HOPS 64
struct ib_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;
__be16 dr_slid;
__be16 dr_dlid;
u8 reserved[28];
u8 data[IB_SMP_DATA_SIZE];
u8 initial_path[IB_SMP_MAX_PATH_HOPS];
u8 return_path[IB_SMP_MAX_PATH_HOPS];
} __packed;
#define IB_SMP_DIRECTION cpu_to_be16(0x8000)
/* Subnet management attributes */
#define IB_SMP_ATTR_NOTICE cpu_to_be16(0x0002)
#define IB_SMP_ATTR_NODE_DESC cpu_to_be16(0x0010)
#define IB_SMP_ATTR_NODE_INFO cpu_to_be16(0x0011)
#define IB_SMP_ATTR_SWITCH_INFO cpu_to_be16(0x0012)
#define IB_SMP_ATTR_GUID_INFO cpu_to_be16(0x0014)
#define IB_SMP_ATTR_PORT_INFO cpu_to_be16(0x0015)
#define IB_SMP_ATTR_PKEY_TABLE cpu_to_be16(0x0016)
#define IB_SMP_ATTR_SL_TO_VL_TABLE cpu_to_be16(0x0017)
#define IB_SMP_ATTR_VL_ARB_TABLE cpu_to_be16(0x0018)
#define IB_SMP_ATTR_LINEAR_FORWARD_TABLE cpu_to_be16(0x0019)
#define IB_SMP_ATTR_RANDOM_FORWARD_TABLE cpu_to_be16(0x001A)
#define IB_SMP_ATTR_MCAST_FORWARD_TABLE cpu_to_be16(0x001B)
#define IB_SMP_ATTR_SM_INFO cpu_to_be16(0x0020)
#define IB_SMP_ATTR_VENDOR_DIAG cpu_to_be16(0x0030)
#define IB_SMP_ATTR_LED_INFO cpu_to_be16(0x0031)
#define IB_SMP_ATTR_VENDOR_MASK cpu_to_be16(0xFF00)
struct ib_port_info {
__be64 mkey;
__be64 gid_prefix;
__be16 lid;
__be16 sm_lid;
__be32 cap_mask;
__be16 diag_code;
__be16 mkey_lease_period;
u8 local_port_num;
u8 link_width_enabled;
u8 link_width_supported;
u8 link_width_active;
u8 linkspeed_portstate; /* 4 bits, 4 bits */
u8 portphysstate_linkdown; /* 4 bits, 4 bits */
u8 mkeyprot_resv_lmc; /* 2 bits, 3, 3 */
u8 linkspeedactive_enabled; /* 4 bits, 4 bits */
u8 neighbormtu_mastersmsl; /* 4 bits, 4 bits */
u8 vlcap_inittype; /* 4 bits, 4 bits */
u8 vl_high_limit;
u8 vl_arb_high_cap;
u8 vl_arb_low_cap;
u8 inittypereply_mtucap; /* 4 bits, 4 bits */
u8 vlstallcnt_hoqlife; /* 3 bits, 5 bits */
u8 operationalvl_pei_peo_fpi_fpo; /* 4 bits, 1, 1, 1, 1 */
__be16 mkey_violations;
__be16 pkey_violations;
__be16 qkey_violations;
u8 guid_cap;
u8 clientrereg_resv_subnetto; /* 1 bit, 2 bits, 5 */
u8 resv_resptimevalue; /* 3 bits, 5 bits */
u8 localphyerrors_overrunerrors; /* 4 bits, 4 bits */
__be16 max_credit_hint;
u8 resv;
u8 link_roundtrip_latency[3];
};
struct ib_node_info {
u8 base_version;
u8 class_version;
u8 node_type;
u8 num_ports;
__be64 sys_guid;
__be64 node_guid;
__be64 port_guid;
__be16 partition_cap;
__be16 device_id;
__be32 revision;
u8 local_port_num;
u8 vendor_id[3];
} __packed;
struct ib_vl_weight_elem {
u8 vl; /* IB: VL is low 4 bits, upper 4 bits reserved */
/* OPA: VL is low 5 bits, upper 3 bits reserved */
u8 weight;
};
static inline u8
ib_get_smp_direction(struct ib_smp *smp)
{
return ((smp->status & IB_SMP_DIRECTION) == IB_SMP_DIRECTION);
}
/*
* SM Trap/Notice numbers
*/
#define IB_NOTICE_TRAP_LLI_THRESH cpu_to_be16(129)
#define IB_NOTICE_TRAP_EBO_THRESH cpu_to_be16(130)
#define IB_NOTICE_TRAP_FLOW_UPDATE cpu_to_be16(131)
#define IB_NOTICE_TRAP_CAP_MASK_CHG cpu_to_be16(144)
#define IB_NOTICE_TRAP_SYS_GUID_CHG cpu_to_be16(145)
#define IB_NOTICE_TRAP_BAD_MKEY cpu_to_be16(256)
#define IB_NOTICE_TRAP_BAD_PKEY cpu_to_be16(257)
#define IB_NOTICE_TRAP_BAD_QKEY cpu_to_be16(258)
/*
* Other local changes flags (trap 144).
*/
#define IB_NOTICE_TRAP_LSE_CHG 0x04 /* Link Speed Enable changed */
#define IB_NOTICE_TRAP_LWE_CHG 0x02 /* Link Width Enable changed */
#define IB_NOTICE_TRAP_NODE_DESC_CHG 0x01
/*
* M_Key volation flags in dr_trunc_hop (trap 256).
*/
#define IB_NOTICE_TRAP_DR_NOTICE 0x80
#define IB_NOTICE_TRAP_DR_TRUNC 0x40
/**
* ib_init_query_mad - Initialize query MAD.
* @mad: MAD to initialize.
*/
static inline void ib_init_query_mad(struct ib_smp *mad)
{
mad->base_version = IB_MGMT_BASE_VERSION;
mad->mgmt_class = IB_MGMT_CLASS_SUBN_LID_ROUTED;
mad->class_version = 1;
mad->method = IB_MGMT_METHOD_GET;
}
#endif /* IB_SMI_H */
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