Contributors: 9
Author Tokens Token Proportion Commits Commit Proportion
Guvenc Gulce 517 69.77% 9 37.50%
Karsten Graul 93 12.55% 3 12.50%
Thomas Richter 54 7.29% 1 4.17%
D. Wythe 29 3.91% 2 8.33%
Wen Gu 27 3.64% 4 16.67%
Ursula Braun-Krahl 8 1.08% 2 8.33%
Guangguan Wang 6 0.81% 1 4.17%
Tony Lu 6 0.81% 1 4.17%
Greg Kroah-Hartman 1 0.13% 1 4.17%
Total 741 24

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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
 *  Shared Memory Communications over RDMA (SMC-R) and RoCE
 *
 *  Definitions for generic netlink based configuration of an SMC-R PNET table
 *
 *  Copyright IBM Corp. 2016
 *
 *  Author(s):  Thomas Richter <tmricht@linux.vnet.ibm.com>
 */

#ifndef _UAPI_LINUX_SMC_H_
#define _UAPI_LINUX_SMC_H_

/* Netlink SMC_PNETID attributes */
enum {
	SMC_PNETID_UNSPEC,
	SMC_PNETID_NAME,
	SMC_PNETID_ETHNAME,
	SMC_PNETID_IBNAME,
	SMC_PNETID_IBPORT,
	__SMC_PNETID_MAX,
	SMC_PNETID_MAX = __SMC_PNETID_MAX - 1
};

enum {				/* SMC PNET Table commands */
	SMC_PNETID_GET = 1,
	SMC_PNETID_ADD,
	SMC_PNETID_DEL,
	SMC_PNETID_FLUSH
};

#define SMCR_GENL_FAMILY_NAME		"SMC_PNETID"
#define SMCR_GENL_FAMILY_VERSION	1

/* gennetlink interface to access non-socket information from SMC module */
#define SMC_GENL_FAMILY_NAME		"SMC_GEN_NETLINK"
#define SMC_GENL_FAMILY_VERSION		1

#define SMC_PCI_ID_STR_LEN		16 /* Max length of pci id string */
#define SMC_MAX_HOSTNAME_LEN		32 /* Max length of the hostname */
#define SMC_MAX_UEID			4  /* Max number of user EIDs */
#define SMC_MAX_EID_LEN			32 /* Max length of an EID */

/* SMC_GENL_FAMILY commands */
enum {
	SMC_NETLINK_GET_SYS_INFO = 1,
	SMC_NETLINK_GET_LGR_SMCR,
	SMC_NETLINK_GET_LINK_SMCR,
	SMC_NETLINK_GET_LGR_SMCD,
	SMC_NETLINK_GET_DEV_SMCD,
	SMC_NETLINK_GET_DEV_SMCR,
	SMC_NETLINK_GET_STATS,
	SMC_NETLINK_GET_FBACK_STATS,
	SMC_NETLINK_DUMP_UEID,
	SMC_NETLINK_ADD_UEID,
	SMC_NETLINK_REMOVE_UEID,
	SMC_NETLINK_FLUSH_UEID,
	SMC_NETLINK_DUMP_SEID,
	SMC_NETLINK_ENABLE_SEID,
	SMC_NETLINK_DISABLE_SEID,
	SMC_NETLINK_DUMP_HS_LIMITATION,
	SMC_NETLINK_ENABLE_HS_LIMITATION,
	SMC_NETLINK_DISABLE_HS_LIMITATION,
};

/* SMC_GENL_FAMILY top level attributes */
enum {
	SMC_GEN_UNSPEC,
	SMC_GEN_SYS_INFO,		/* nest */
	SMC_GEN_LGR_SMCR,		/* nest */
	SMC_GEN_LINK_SMCR,		/* nest */
	SMC_GEN_LGR_SMCD,		/* nest */
	SMC_GEN_DEV_SMCD,		/* nest */
	SMC_GEN_DEV_SMCR,		/* nest */
	SMC_GEN_STATS,			/* nest */
	SMC_GEN_FBACK_STATS,		/* nest */
	__SMC_GEN_MAX,
	SMC_GEN_MAX = __SMC_GEN_MAX - 1
};

/* SMC_GEN_SYS_INFO attributes */
enum {
	SMC_NLA_SYS_UNSPEC,
	SMC_NLA_SYS_VER,		/* u8 */
	SMC_NLA_SYS_REL,		/* u8 */
	SMC_NLA_SYS_IS_ISM_V2,		/* u8 */
	SMC_NLA_SYS_LOCAL_HOST,		/* string */
	SMC_NLA_SYS_SEID,		/* string */
	SMC_NLA_SYS_IS_SMCR_V2,		/* u8 */
	__SMC_NLA_SYS_MAX,
	SMC_NLA_SYS_MAX = __SMC_NLA_SYS_MAX - 1
};

/* SMC_NLA_LGR_D_V2_COMMON and SMC_NLA_LGR_R_V2_COMMON nested attributes */
enum {
	SMC_NLA_LGR_V2_VER,		/* u8 */
	SMC_NLA_LGR_V2_REL,		/* u8 */
	SMC_NLA_LGR_V2_OS,		/* u8 */
	SMC_NLA_LGR_V2_NEG_EID,		/* string */
	SMC_NLA_LGR_V2_PEER_HOST,	/* string */
	__SMC_NLA_LGR_V2_MAX,
	SMC_NLA_LGR_V2_MAX = __SMC_NLA_LGR_V2_MAX - 1
};

/* SMC_NLA_LGR_R_V2 nested attributes */
enum {
	SMC_NLA_LGR_R_V2_UNSPEC,
	SMC_NLA_LGR_R_V2_DIRECT,	/* u8 */
	SMC_NLA_LGR_R_V2_MAX_CONNS,	/* u8 */
	SMC_NLA_LGR_R_V2_MAX_LINKS,	/* u8 */
	__SMC_NLA_LGR_R_V2_MAX,
	SMC_NLA_LGR_R_V2_MAX = __SMC_NLA_LGR_R_V2_MAX - 1
};

/* SMC_GEN_LGR_SMCR attributes */
enum {
	SMC_NLA_LGR_R_UNSPEC,
	SMC_NLA_LGR_R_ID,		/* u32 */
	SMC_NLA_LGR_R_ROLE,		/* u8 */
	SMC_NLA_LGR_R_TYPE,		/* u8 */
	SMC_NLA_LGR_R_PNETID,		/* string */
	SMC_NLA_LGR_R_VLAN_ID,		/* u8 */
	SMC_NLA_LGR_R_CONNS_NUM,	/* u32 */
	SMC_NLA_LGR_R_V2_COMMON,	/* nest */
	SMC_NLA_LGR_R_V2,		/* nest */
	SMC_NLA_LGR_R_NET_COOKIE,	/* u64 */
	SMC_NLA_LGR_R_PAD,		/* flag */
	SMC_NLA_LGR_R_BUF_TYPE,		/* u8 */
	SMC_NLA_LGR_R_SNDBUF_ALLOC,	/* uint */
	SMC_NLA_LGR_R_RMB_ALLOC,	/* uint */
	__SMC_NLA_LGR_R_MAX,
	SMC_NLA_LGR_R_MAX = __SMC_NLA_LGR_R_MAX - 1
};

/* SMC_GEN_LINK_SMCR attributes */
enum {
	SMC_NLA_LINK_UNSPEC,
	SMC_NLA_LINK_ID,		/* u8 */
	SMC_NLA_LINK_IB_DEV,		/* string */
	SMC_NLA_LINK_IB_PORT,		/* u8 */
	SMC_NLA_LINK_GID,		/* string */
	SMC_NLA_LINK_PEER_GID,		/* string */
	SMC_NLA_LINK_CONN_CNT,		/* u32 */
	SMC_NLA_LINK_NET_DEV,		/* u32 */
	SMC_NLA_LINK_UID,		/* u32 */
	SMC_NLA_LINK_PEER_UID,		/* u32 */
	SMC_NLA_LINK_STATE,		/* u32 */
	__SMC_NLA_LINK_MAX,
	SMC_NLA_LINK_MAX = __SMC_NLA_LINK_MAX - 1
};

/* SMC_GEN_LGR_SMCD attributes */
enum {
	SMC_NLA_LGR_D_UNSPEC,
	SMC_NLA_LGR_D_ID,		/* u32 */
	SMC_NLA_LGR_D_GID,		/* u64 */
	SMC_NLA_LGR_D_PEER_GID,		/* u64 */
	SMC_NLA_LGR_D_VLAN_ID,		/* u8 */
	SMC_NLA_LGR_D_CONNS_NUM,	/* u32 */
	SMC_NLA_LGR_D_PNETID,		/* string */
	SMC_NLA_LGR_D_CHID,		/* u16 */
	SMC_NLA_LGR_D_PAD,		/* flag */
	SMC_NLA_LGR_D_V2_COMMON,	/* nest */
	SMC_NLA_LGR_D_EXT_GID,		/* u64 */
	SMC_NLA_LGR_D_PEER_EXT_GID,	/* u64 */
	SMC_NLA_LGR_D_SNDBUF_ALLOC,	/* uint */
	SMC_NLA_LGR_D_DMB_ALLOC,	/* uint */
	__SMC_NLA_LGR_D_MAX,
	SMC_NLA_LGR_D_MAX = __SMC_NLA_LGR_D_MAX - 1
};

/* SMC_NLA_DEV_PORT nested attributes */
enum {
	SMC_NLA_DEV_PORT_UNSPEC,
	SMC_NLA_DEV_PORT_PNET_USR,	/* u8 */
	SMC_NLA_DEV_PORT_PNETID,	/* string */
	SMC_NLA_DEV_PORT_NETDEV,	/* u32 */
	SMC_NLA_DEV_PORT_STATE,		/* u8 */
	SMC_NLA_DEV_PORT_VALID,		/* u8 */
	SMC_NLA_DEV_PORT_LNK_CNT,	/* u32 */
	__SMC_NLA_DEV_PORT_MAX,
	SMC_NLA_DEV_PORT_MAX = __SMC_NLA_DEV_PORT_MAX - 1
};

/* SMC_GEN_DEV_SMCD and SMC_GEN_DEV_SMCR attributes */
enum {
	SMC_NLA_DEV_UNSPEC,
	SMC_NLA_DEV_USE_CNT,		/* u32 */
	SMC_NLA_DEV_IS_CRIT,		/* u8 */
	SMC_NLA_DEV_PCI_FID,		/* u32 */
	SMC_NLA_DEV_PCI_CHID,		/* u16 */
	SMC_NLA_DEV_PCI_VENDOR,		/* u16 */
	SMC_NLA_DEV_PCI_DEVICE,		/* u16 */
	SMC_NLA_DEV_PCI_ID,		/* string */
	SMC_NLA_DEV_PORT,		/* nest */
	SMC_NLA_DEV_PORT2,		/* nest */
	SMC_NLA_DEV_IB_NAME,		/* string */
	__SMC_NLA_DEV_MAX,
	SMC_NLA_DEV_MAX = __SMC_NLA_DEV_MAX - 1
};

/* SMC_NLA_STATS_T_TX(RX)_RMB_SIZE nested attributes */
/* SMC_NLA_STATS_TX(RX)PLOAD_SIZE nested attributes */
enum {
	SMC_NLA_STATS_PLOAD_PAD,
	SMC_NLA_STATS_PLOAD_8K,		/* u64 */
	SMC_NLA_STATS_PLOAD_16K,	/* u64 */
	SMC_NLA_STATS_PLOAD_32K,	/* u64 */
	SMC_NLA_STATS_PLOAD_64K,	/* u64 */
	SMC_NLA_STATS_PLOAD_128K,	/* u64 */
	SMC_NLA_STATS_PLOAD_256K,	/* u64 */
	SMC_NLA_STATS_PLOAD_512K,	/* u64 */
	SMC_NLA_STATS_PLOAD_1024K,	/* u64 */
	SMC_NLA_STATS_PLOAD_G_1024K,	/* u64 */
	__SMC_NLA_STATS_PLOAD_MAX,
	SMC_NLA_STATS_PLOAD_MAX = __SMC_NLA_STATS_PLOAD_MAX - 1
};

/* SMC_NLA_STATS_T_TX(RX)_RMB_STATS nested attributes */
enum {
	SMC_NLA_STATS_RMB_PAD,
	SMC_NLA_STATS_RMB_SIZE_SM_PEER_CNT,	/* u64 */
	SMC_NLA_STATS_RMB_SIZE_SM_CNT,		/* u64 */
	SMC_NLA_STATS_RMB_FULL_PEER_CNT,	/* u64 */
	SMC_NLA_STATS_RMB_FULL_CNT,		/* u64 */
	SMC_NLA_STATS_RMB_REUSE_CNT,		/* u64 */
	SMC_NLA_STATS_RMB_ALLOC_CNT,		/* u64 */
	SMC_NLA_STATS_RMB_DGRADE_CNT,		/* u64 */
	__SMC_NLA_STATS_RMB_MAX,
	SMC_NLA_STATS_RMB_MAX = __SMC_NLA_STATS_RMB_MAX - 1
};

/* SMC_NLA_STATS_SMCD_TECH and _SMCR_TECH nested attributes */
enum {
	SMC_NLA_STATS_T_PAD,
	SMC_NLA_STATS_T_TX_RMB_SIZE,	/* nest */
	SMC_NLA_STATS_T_RX_RMB_SIZE,	/* nest */
	SMC_NLA_STATS_T_TXPLOAD_SIZE,	/* nest */
	SMC_NLA_STATS_T_RXPLOAD_SIZE,	/* nest */
	SMC_NLA_STATS_T_TX_RMB_STATS,	/* nest */
	SMC_NLA_STATS_T_RX_RMB_STATS,	/* nest */
	SMC_NLA_STATS_T_CLNT_V1_SUCC,	/* u64 */
	SMC_NLA_STATS_T_CLNT_V2_SUCC,	/* u64 */
	SMC_NLA_STATS_T_SRV_V1_SUCC,	/* u64 */
	SMC_NLA_STATS_T_SRV_V2_SUCC,	/* u64 */
	SMC_NLA_STATS_T_SENDPAGE_CNT,	/* u64 */
	SMC_NLA_STATS_T_SPLICE_CNT,	/* u64 */
	SMC_NLA_STATS_T_CORK_CNT,	/* u64 */
	SMC_NLA_STATS_T_NDLY_CNT,	/* u64 */
	SMC_NLA_STATS_T_URG_DATA_CNT,	/* u64 */
	SMC_NLA_STATS_T_RX_BYTES,	/* u64 */
	SMC_NLA_STATS_T_TX_BYTES,	/* u64 */
	SMC_NLA_STATS_T_RX_CNT,		/* u64 */
	SMC_NLA_STATS_T_TX_CNT,		/* u64 */
	SMC_NLA_STATS_T_RX_RMB_USAGE,	/* uint */
	SMC_NLA_STATS_T_TX_RMB_USAGE,	/* uint */
	__SMC_NLA_STATS_T_MAX,
	SMC_NLA_STATS_T_MAX = __SMC_NLA_STATS_T_MAX - 1
};

/* SMC_GEN_STATS attributes */
enum {
	SMC_NLA_STATS_PAD,
	SMC_NLA_STATS_SMCD_TECH,	/* nest */
	SMC_NLA_STATS_SMCR_TECH,	/* nest */
	SMC_NLA_STATS_CLNT_HS_ERR_CNT,	/* u64 */
	SMC_NLA_STATS_SRV_HS_ERR_CNT,	/* u64 */
	__SMC_NLA_STATS_MAX,
	SMC_NLA_STATS_MAX = __SMC_NLA_STATS_MAX - 1
};

/* SMC_GEN_FBACK_STATS attributes */
enum {
	SMC_NLA_FBACK_STATS_PAD,
	SMC_NLA_FBACK_STATS_TYPE,	/* u8 */
	SMC_NLA_FBACK_STATS_SRV_CNT,	/* u64 */
	SMC_NLA_FBACK_STATS_CLNT_CNT,	/* u64 */
	SMC_NLA_FBACK_STATS_RSN_CODE,	/* u32 */
	SMC_NLA_FBACK_STATS_RSN_CNT,	/* u16 */
	__SMC_NLA_FBACK_STATS_MAX,
	SMC_NLA_FBACK_STATS_MAX = __SMC_NLA_FBACK_STATS_MAX - 1
};

/* SMC_NETLINK_UEID attributes */
enum {
	SMC_NLA_EID_TABLE_UNSPEC,
	SMC_NLA_EID_TABLE_ENTRY,	/* string */
	__SMC_NLA_EID_TABLE_MAX,
	SMC_NLA_EID_TABLE_MAX = __SMC_NLA_EID_TABLE_MAX - 1
};

/* SMC_NETLINK_SEID attributes */
enum {
	SMC_NLA_SEID_UNSPEC,
	SMC_NLA_SEID_ENTRY,	/* string */
	SMC_NLA_SEID_ENABLED,	/* u8 */
	__SMC_NLA_SEID_TABLE_MAX,
	SMC_NLA_SEID_TABLE_MAX = __SMC_NLA_SEID_TABLE_MAX - 1
};

/* SMC_NETLINK_HS_LIMITATION attributes */
enum {
	SMC_NLA_HS_LIMITATION_UNSPEC,
	SMC_NLA_HS_LIMITATION_ENABLED,	/* u8 */
	__SMC_NLA_HS_LIMITATION_MAX,
	SMC_NLA_HS_LIMITATION_MAX = __SMC_NLA_HS_LIMITATION_MAX - 1
};

/* SMC socket options */
#define SMC_LIMIT_HS 1	/* constraint on smc handshake */

#endif /* _UAPI_LINUX_SMC_H */