314 lines · c
1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */2/*3 * Shared Memory Communications over RDMA (SMC-R) and RoCE4 *5 * Definitions for generic netlink based configuration of an SMC-R PNET table6 *7 * Copyright IBM Corp. 20168 *9 * Author(s): Thomas Richter <tmricht@linux.vnet.ibm.com>10 */11 12#ifndef _UAPI_LINUX_SMC_H_13#define _UAPI_LINUX_SMC_H_14 15/* Netlink SMC_PNETID attributes */16enum {17 SMC_PNETID_UNSPEC,18 SMC_PNETID_NAME,19 SMC_PNETID_ETHNAME,20 SMC_PNETID_IBNAME,21 SMC_PNETID_IBPORT,22 __SMC_PNETID_MAX,23 SMC_PNETID_MAX = __SMC_PNETID_MAX - 124};25 26enum { /* SMC PNET Table commands */27 SMC_PNETID_GET = 1,28 SMC_PNETID_ADD,29 SMC_PNETID_DEL,30 SMC_PNETID_FLUSH31};32 33#define SMCR_GENL_FAMILY_NAME "SMC_PNETID"34#define SMCR_GENL_FAMILY_VERSION 135 36/* gennetlink interface to access non-socket information from SMC module */37#define SMC_GENL_FAMILY_NAME "SMC_GEN_NETLINK"38#define SMC_GENL_FAMILY_VERSION 139 40#define SMC_PCI_ID_STR_LEN 16 /* Max length of pci id string */41#define SMC_MAX_HOSTNAME_LEN 32 /* Max length of the hostname */42#define SMC_MAX_UEID 4 /* Max number of user EIDs */43#define SMC_MAX_EID_LEN 32 /* Max length of an EID */44 45/* SMC_GENL_FAMILY commands */46enum {47 SMC_NETLINK_GET_SYS_INFO = 1,48 SMC_NETLINK_GET_LGR_SMCR,49 SMC_NETLINK_GET_LINK_SMCR,50 SMC_NETLINK_GET_LGR_SMCD,51 SMC_NETLINK_GET_DEV_SMCD,52 SMC_NETLINK_GET_DEV_SMCR,53 SMC_NETLINK_GET_STATS,54 SMC_NETLINK_GET_FBACK_STATS,55 SMC_NETLINK_DUMP_UEID,56 SMC_NETLINK_ADD_UEID,57 SMC_NETLINK_REMOVE_UEID,58 SMC_NETLINK_FLUSH_UEID,59 SMC_NETLINK_DUMP_SEID,60 SMC_NETLINK_ENABLE_SEID,61 SMC_NETLINK_DISABLE_SEID,62 SMC_NETLINK_DUMP_HS_LIMITATION,63 SMC_NETLINK_ENABLE_HS_LIMITATION,64 SMC_NETLINK_DISABLE_HS_LIMITATION,65};66 67/* SMC_GENL_FAMILY top level attributes */68enum {69 SMC_GEN_UNSPEC,70 SMC_GEN_SYS_INFO, /* nest */71 SMC_GEN_LGR_SMCR, /* nest */72 SMC_GEN_LINK_SMCR, /* nest */73 SMC_GEN_LGR_SMCD, /* nest */74 SMC_GEN_DEV_SMCD, /* nest */75 SMC_GEN_DEV_SMCR, /* nest */76 SMC_GEN_STATS, /* nest */77 SMC_GEN_FBACK_STATS, /* nest */78 __SMC_GEN_MAX,79 SMC_GEN_MAX = __SMC_GEN_MAX - 180};81 82/* SMC_GEN_SYS_INFO attributes */83enum {84 SMC_NLA_SYS_UNSPEC,85 SMC_NLA_SYS_VER, /* u8 */86 SMC_NLA_SYS_REL, /* u8 */87 SMC_NLA_SYS_IS_ISM_V2, /* u8 */88 SMC_NLA_SYS_LOCAL_HOST, /* string */89 SMC_NLA_SYS_SEID, /* string */90 SMC_NLA_SYS_IS_SMCR_V2, /* u8 */91 __SMC_NLA_SYS_MAX,92 SMC_NLA_SYS_MAX = __SMC_NLA_SYS_MAX - 193};94 95/* SMC_NLA_LGR_D_V2_COMMON and SMC_NLA_LGR_R_V2_COMMON nested attributes */96enum {97 SMC_NLA_LGR_V2_VER, /* u8 */98 SMC_NLA_LGR_V2_REL, /* u8 */99 SMC_NLA_LGR_V2_OS, /* u8 */100 SMC_NLA_LGR_V2_NEG_EID, /* string */101 SMC_NLA_LGR_V2_PEER_HOST, /* string */102 __SMC_NLA_LGR_V2_MAX,103 SMC_NLA_LGR_V2_MAX = __SMC_NLA_LGR_V2_MAX - 1104};105 106/* SMC_NLA_LGR_R_V2 nested attributes */107enum {108 SMC_NLA_LGR_R_V2_UNSPEC,109 SMC_NLA_LGR_R_V2_DIRECT, /* u8 */110 SMC_NLA_LGR_R_V2_MAX_CONNS, /* u8 */111 SMC_NLA_LGR_R_V2_MAX_LINKS, /* u8 */112 __SMC_NLA_LGR_R_V2_MAX,113 SMC_NLA_LGR_R_V2_MAX = __SMC_NLA_LGR_R_V2_MAX - 1114};115 116/* SMC_GEN_LGR_SMCR attributes */117enum {118 SMC_NLA_LGR_R_UNSPEC,119 SMC_NLA_LGR_R_ID, /* u32 */120 SMC_NLA_LGR_R_ROLE, /* u8 */121 SMC_NLA_LGR_R_TYPE, /* u8 */122 SMC_NLA_LGR_R_PNETID, /* string */123 SMC_NLA_LGR_R_VLAN_ID, /* u8 */124 SMC_NLA_LGR_R_CONNS_NUM, /* u32 */125 SMC_NLA_LGR_R_V2_COMMON, /* nest */126 SMC_NLA_LGR_R_V2, /* nest */127 SMC_NLA_LGR_R_NET_COOKIE, /* u64 */128 SMC_NLA_LGR_R_PAD, /* flag */129 SMC_NLA_LGR_R_BUF_TYPE, /* u8 */130 SMC_NLA_LGR_R_SNDBUF_ALLOC, /* uint */131 SMC_NLA_LGR_R_RMB_ALLOC, /* uint */132 __SMC_NLA_LGR_R_MAX,133 SMC_NLA_LGR_R_MAX = __SMC_NLA_LGR_R_MAX - 1134};135 136/* SMC_GEN_LINK_SMCR attributes */137enum {138 SMC_NLA_LINK_UNSPEC,139 SMC_NLA_LINK_ID, /* u8 */140 SMC_NLA_LINK_IB_DEV, /* string */141 SMC_NLA_LINK_IB_PORT, /* u8 */142 SMC_NLA_LINK_GID, /* string */143 SMC_NLA_LINK_PEER_GID, /* string */144 SMC_NLA_LINK_CONN_CNT, /* u32 */145 SMC_NLA_LINK_NET_DEV, /* u32 */146 SMC_NLA_LINK_UID, /* u32 */147 SMC_NLA_LINK_PEER_UID, /* u32 */148 SMC_NLA_LINK_STATE, /* u32 */149 __SMC_NLA_LINK_MAX,150 SMC_NLA_LINK_MAX = __SMC_NLA_LINK_MAX - 1151};152 153/* SMC_GEN_LGR_SMCD attributes */154enum {155 SMC_NLA_LGR_D_UNSPEC,156 SMC_NLA_LGR_D_ID, /* u32 */157 SMC_NLA_LGR_D_GID, /* u64 */158 SMC_NLA_LGR_D_PEER_GID, /* u64 */159 SMC_NLA_LGR_D_VLAN_ID, /* u8 */160 SMC_NLA_LGR_D_CONNS_NUM, /* u32 */161 SMC_NLA_LGR_D_PNETID, /* string */162 SMC_NLA_LGR_D_CHID, /* u16 */163 SMC_NLA_LGR_D_PAD, /* flag */164 SMC_NLA_LGR_D_V2_COMMON, /* nest */165 SMC_NLA_LGR_D_EXT_GID, /* u64 */166 SMC_NLA_LGR_D_PEER_EXT_GID, /* u64 */167 SMC_NLA_LGR_D_SNDBUF_ALLOC, /* uint */168 SMC_NLA_LGR_D_DMB_ALLOC, /* uint */169 __SMC_NLA_LGR_D_MAX,170 SMC_NLA_LGR_D_MAX = __SMC_NLA_LGR_D_MAX - 1171};172 173/* SMC_NLA_DEV_PORT nested attributes */174enum {175 SMC_NLA_DEV_PORT_UNSPEC,176 SMC_NLA_DEV_PORT_PNET_USR, /* u8 */177 SMC_NLA_DEV_PORT_PNETID, /* string */178 SMC_NLA_DEV_PORT_NETDEV, /* u32 */179 SMC_NLA_DEV_PORT_STATE, /* u8 */180 SMC_NLA_DEV_PORT_VALID, /* u8 */181 SMC_NLA_DEV_PORT_LNK_CNT, /* u32 */182 __SMC_NLA_DEV_PORT_MAX,183 SMC_NLA_DEV_PORT_MAX = __SMC_NLA_DEV_PORT_MAX - 1184};185 186/* SMC_GEN_DEV_SMCD and SMC_GEN_DEV_SMCR attributes */187enum {188 SMC_NLA_DEV_UNSPEC,189 SMC_NLA_DEV_USE_CNT, /* u32 */190 SMC_NLA_DEV_IS_CRIT, /* u8 */191 SMC_NLA_DEV_PCI_FID, /* u32 */192 SMC_NLA_DEV_PCI_CHID, /* u16 */193 SMC_NLA_DEV_PCI_VENDOR, /* u16 */194 SMC_NLA_DEV_PCI_DEVICE, /* u16 */195 SMC_NLA_DEV_PCI_ID, /* string */196 SMC_NLA_DEV_PORT, /* nest */197 SMC_NLA_DEV_PORT2, /* nest */198 SMC_NLA_DEV_IB_NAME, /* string */199 __SMC_NLA_DEV_MAX,200 SMC_NLA_DEV_MAX = __SMC_NLA_DEV_MAX - 1201};202 203/* SMC_NLA_STATS_T_TX(RX)_RMB_SIZE nested attributes */204/* SMC_NLA_STATS_TX(RX)PLOAD_SIZE nested attributes */205enum {206 SMC_NLA_STATS_PLOAD_PAD,207 SMC_NLA_STATS_PLOAD_8K, /* u64 */208 SMC_NLA_STATS_PLOAD_16K, /* u64 */209 SMC_NLA_STATS_PLOAD_32K, /* u64 */210 SMC_NLA_STATS_PLOAD_64K, /* u64 */211 SMC_NLA_STATS_PLOAD_128K, /* u64 */212 SMC_NLA_STATS_PLOAD_256K, /* u64 */213 SMC_NLA_STATS_PLOAD_512K, /* u64 */214 SMC_NLA_STATS_PLOAD_1024K, /* u64 */215 SMC_NLA_STATS_PLOAD_G_1024K, /* u64 */216 __SMC_NLA_STATS_PLOAD_MAX,217 SMC_NLA_STATS_PLOAD_MAX = __SMC_NLA_STATS_PLOAD_MAX - 1218};219 220/* SMC_NLA_STATS_T_TX(RX)_RMB_STATS nested attributes */221enum {222 SMC_NLA_STATS_RMB_PAD,223 SMC_NLA_STATS_RMB_SIZE_SM_PEER_CNT, /* u64 */224 SMC_NLA_STATS_RMB_SIZE_SM_CNT, /* u64 */225 SMC_NLA_STATS_RMB_FULL_PEER_CNT, /* u64 */226 SMC_NLA_STATS_RMB_FULL_CNT, /* u64 */227 SMC_NLA_STATS_RMB_REUSE_CNT, /* u64 */228 SMC_NLA_STATS_RMB_ALLOC_CNT, /* u64 */229 SMC_NLA_STATS_RMB_DGRADE_CNT, /* u64 */230 __SMC_NLA_STATS_RMB_MAX,231 SMC_NLA_STATS_RMB_MAX = __SMC_NLA_STATS_RMB_MAX - 1232};233 234/* SMC_NLA_STATS_SMCD_TECH and _SMCR_TECH nested attributes */235enum {236 SMC_NLA_STATS_T_PAD,237 SMC_NLA_STATS_T_TX_RMB_SIZE, /* nest */238 SMC_NLA_STATS_T_RX_RMB_SIZE, /* nest */239 SMC_NLA_STATS_T_TXPLOAD_SIZE, /* nest */240 SMC_NLA_STATS_T_RXPLOAD_SIZE, /* nest */241 SMC_NLA_STATS_T_TX_RMB_STATS, /* nest */242 SMC_NLA_STATS_T_RX_RMB_STATS, /* nest */243 SMC_NLA_STATS_T_CLNT_V1_SUCC, /* u64 */244 SMC_NLA_STATS_T_CLNT_V2_SUCC, /* u64 */245 SMC_NLA_STATS_T_SRV_V1_SUCC, /* u64 */246 SMC_NLA_STATS_T_SRV_V2_SUCC, /* u64 */247 SMC_NLA_STATS_T_SENDPAGE_CNT, /* u64 */248 SMC_NLA_STATS_T_SPLICE_CNT, /* u64 */249 SMC_NLA_STATS_T_CORK_CNT, /* u64 */250 SMC_NLA_STATS_T_NDLY_CNT, /* u64 */251 SMC_NLA_STATS_T_URG_DATA_CNT, /* u64 */252 SMC_NLA_STATS_T_RX_BYTES, /* u64 */253 SMC_NLA_STATS_T_TX_BYTES, /* u64 */254 SMC_NLA_STATS_T_RX_CNT, /* u64 */255 SMC_NLA_STATS_T_TX_CNT, /* u64 */256 SMC_NLA_STATS_T_RX_RMB_USAGE, /* uint */257 SMC_NLA_STATS_T_TX_RMB_USAGE, /* uint */258 __SMC_NLA_STATS_T_MAX,259 SMC_NLA_STATS_T_MAX = __SMC_NLA_STATS_T_MAX - 1260};261 262/* SMC_GEN_STATS attributes */263enum {264 SMC_NLA_STATS_PAD,265 SMC_NLA_STATS_SMCD_TECH, /* nest */266 SMC_NLA_STATS_SMCR_TECH, /* nest */267 SMC_NLA_STATS_CLNT_HS_ERR_CNT, /* u64 */268 SMC_NLA_STATS_SRV_HS_ERR_CNT, /* u64 */269 __SMC_NLA_STATS_MAX,270 SMC_NLA_STATS_MAX = __SMC_NLA_STATS_MAX - 1271};272 273/* SMC_GEN_FBACK_STATS attributes */274enum {275 SMC_NLA_FBACK_STATS_PAD,276 SMC_NLA_FBACK_STATS_TYPE, /* u8 */277 SMC_NLA_FBACK_STATS_SRV_CNT, /* u64 */278 SMC_NLA_FBACK_STATS_CLNT_CNT, /* u64 */279 SMC_NLA_FBACK_STATS_RSN_CODE, /* u32 */280 SMC_NLA_FBACK_STATS_RSN_CNT, /* u16 */281 __SMC_NLA_FBACK_STATS_MAX,282 SMC_NLA_FBACK_STATS_MAX = __SMC_NLA_FBACK_STATS_MAX - 1283};284 285/* SMC_NETLINK_UEID attributes */286enum {287 SMC_NLA_EID_TABLE_UNSPEC,288 SMC_NLA_EID_TABLE_ENTRY, /* string */289 __SMC_NLA_EID_TABLE_MAX,290 SMC_NLA_EID_TABLE_MAX = __SMC_NLA_EID_TABLE_MAX - 1291};292 293/* SMC_NETLINK_SEID attributes */294enum {295 SMC_NLA_SEID_UNSPEC,296 SMC_NLA_SEID_ENTRY, /* string */297 SMC_NLA_SEID_ENABLED, /* u8 */298 __SMC_NLA_SEID_TABLE_MAX,299 SMC_NLA_SEID_TABLE_MAX = __SMC_NLA_SEID_TABLE_MAX - 1300};301 302/* SMC_NETLINK_HS_LIMITATION attributes */303enum {304 SMC_NLA_HS_LIMITATION_UNSPEC,305 SMC_NLA_HS_LIMITATION_ENABLED, /* u8 */306 __SMC_NLA_HS_LIMITATION_MAX,307 SMC_NLA_HS_LIMITATION_MAX = __SMC_NLA_HS_LIMITATION_MAX - 1308};309 310/* SMC socket options */311#define SMC_LIMIT_HS 1 /* constraint on smc handshake */312 313#endif /* _UAPI_LINUX_SMC_H */314