include/uapi/linux/smc.h

   1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
   2 /*
   3  *  Shared Memory Communications over RDMA (SMC-R) and RoCE
   4  *
   5  *  Definitions for generic netlink based configuration of an SMC-R PNET table
   6  *
   7  *  Copyright IBM Corp. 2016
   8  *
   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 */
  16 enum {
  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 - 1
  24 };
  25
  26 enum {                          /* SMC PNET Table commands */
  27         SMC_PNETID_GET = 1,
  28         SMC_PNETID_ADD,
  29         SMC_PNETID_DEL,
  30         SMC_PNETID_FLUSH
  31 };
  32
  33 #define SMCR_GENL_FAMILY_NAME           "SMC_PNETID"
  34 #define SMCR_GENL_FAMILY_VERSION        1
  35
  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         1
  39
  40 #define SMC_PCI_ID_STR_LEN              16 /* Max length of pci id string */
  41
  42 /* SMC_GENL_FAMILY commands */
  43 enum {
  44         SMC_NETLINK_GET_SYS_INFO = 1,
  45         SMC_NETLINK_GET_LGR_SMCR,
  46         SMC_NETLINK_GET_LINK_SMCR,
  47         SMC_NETLINK_GET_LGR_SMCD,
  48         SMC_NETLINK_GET_DEV_SMCD,
  49         SMC_NETLINK_GET_DEV_SMCR,
  50         SMC_NETLINK_GET_STATS,
  51         SMC_NETLINK_GET_FBACK_STATS,
  52 };
  53
  54 /* SMC_GENL_FAMILY top level attributes */
  55 enum {
  56         SMC_GEN_UNSPEC,
  57         SMC_GEN_SYS_INFO,               /* nest */
  58         SMC_GEN_LGR_SMCR,               /* nest */
  59         SMC_GEN_LINK_SMCR,              /* nest */
  60         SMC_GEN_LGR_SMCD,               /* nest */
  61         SMC_GEN_DEV_SMCD,               /* nest */
  62         SMC_GEN_DEV_SMCR,               /* nest */
  63         SMC_GEN_STATS,                  /* nest */
  64         SMC_GEN_FBACK_STATS,            /* nest */
  65         __SMC_GEN_MAX,
  66         SMC_GEN_MAX = __SMC_GEN_MAX - 1
  67 };
  68
  69 /* SMC_GEN_SYS_INFO attributes */
  70 enum {
  71         SMC_NLA_SYS_UNSPEC,
  72         SMC_NLA_SYS_VER,                /* u8 */
  73         SMC_NLA_SYS_REL,                /* u8 */
  74         SMC_NLA_SYS_IS_ISM_V2,          /* u8 */
  75         SMC_NLA_SYS_LOCAL_HOST,         /* string */
  76         SMC_NLA_SYS_SEID,               /* string */
  77         __SMC_NLA_SYS_MAX,
  78         SMC_NLA_SYS_MAX = __SMC_NLA_SYS_MAX - 1
  79 };
  80
  81 /* SMC_NLA_LGR_V2 nested attributes */
  82 enum {
  83         SMC_NLA_LGR_V2_VER,             /* u8 */
  84         SMC_NLA_LGR_V2_REL,             /* u8 */
  85         SMC_NLA_LGR_V2_OS,              /* u8 */
  86         SMC_NLA_LGR_V2_NEG_EID,         /* string */
  87         SMC_NLA_LGR_V2_PEER_HOST,       /* string */
  88 };
  89
  90 /* SMC_GEN_LGR_SMCR attributes */
  91 enum {
  92         SMC_NLA_LGR_R_UNSPEC,
  93         SMC_NLA_LGR_R_ID,               /* u32 */
  94         SMC_NLA_LGR_R_ROLE,             /* u8 */
  95         SMC_NLA_LGR_R_TYPE,             /* u8 */
  96         SMC_NLA_LGR_R_PNETID,           /* string */
  97         SMC_NLA_LGR_R_VLAN_ID,          /* u8 */
  98         SMC_NLA_LGR_R_CONNS_NUM,        /* u32 */
  99         __SMC_NLA_LGR_R_MAX,
 100         SMC_NLA_LGR_R_MAX = __SMC_NLA_LGR_R_MAX - 1
 101 };
 102
 103 /* SMC_GEN_LINK_SMCR attributes */
 104 enum {
 105         SMC_NLA_LINK_UNSPEC,
 106         SMC_NLA_LINK_ID,                /* u8 */
 107         SMC_NLA_LINK_IB_DEV,            /* string */
 108         SMC_NLA_LINK_IB_PORT,           /* u8 */
 109         SMC_NLA_LINK_GID,               /* string */
 110         SMC_NLA_LINK_PEER_GID,          /* string */
 111         SMC_NLA_LINK_CONN_CNT,          /* u32 */
 112         SMC_NLA_LINK_NET_DEV,           /* u32 */
 113         SMC_NLA_LINK_UID,               /* u32 */
 114         SMC_NLA_LINK_PEER_UID,          /* u32 */
 115         SMC_NLA_LINK_STATE,             /* u32 */
 116         __SMC_NLA_LINK_MAX,
 117         SMC_NLA_LINK_MAX = __SMC_NLA_LINK_MAX - 1
 118 };
 119
 120 /* SMC_GEN_LGR_SMCD attributes */
 121 enum {
 122         SMC_NLA_LGR_D_UNSPEC,
 123         SMC_NLA_LGR_D_ID,               /* u32 */
 124         SMC_NLA_LGR_D_GID,              /* u64 */
 125         SMC_NLA_LGR_D_PEER_GID,         /* u64 */
 126         SMC_NLA_LGR_D_VLAN_ID,          /* u8 */
 127         SMC_NLA_LGR_D_CONNS_NUM,        /* u32 */
 128         SMC_NLA_LGR_D_PNETID,           /* string */
 129         SMC_NLA_LGR_D_CHID,             /* u16 */
 130         SMC_NLA_LGR_D_PAD,              /* flag */
 131         SMC_NLA_LGR_V2,                 /* nest */
 132         __SMC_NLA_LGR_D_MAX,
 133         SMC_NLA_LGR_D_MAX = __SMC_NLA_LGR_D_MAX - 1
 134 };
 135
 136 /* SMC_NLA_DEV_PORT nested attributes */
 137 enum {
 138         SMC_NLA_DEV_PORT_UNSPEC,
 139         SMC_NLA_DEV_PORT_PNET_USR,      /* u8 */
 140         SMC_NLA_DEV_PORT_PNETID,        /* string */
 141         SMC_NLA_DEV_PORT_NETDEV,        /* u32 */
 142         SMC_NLA_DEV_PORT_STATE,         /* u8 */
 143         SMC_NLA_DEV_PORT_VALID,         /* u8 */
 144         SMC_NLA_DEV_PORT_LNK_CNT,       /* u32 */
 145         __SMC_NLA_DEV_PORT_MAX,
 146         SMC_NLA_DEV_PORT_MAX = __SMC_NLA_DEV_PORT_MAX - 1
 147 };
 148
 149 /* SMC_GEN_DEV_SMCD and SMC_GEN_DEV_SMCR attributes */
 150 enum {
 151         SMC_NLA_DEV_UNSPEC,
 152         SMC_NLA_DEV_USE_CNT,            /* u32 */
 153         SMC_NLA_DEV_IS_CRIT,            /* u8 */
 154         SMC_NLA_DEV_PCI_FID,            /* u32 */
 155         SMC_NLA_DEV_PCI_CHID,           /* u16 */
 156         SMC_NLA_DEV_PCI_VENDOR,         /* u16 */
 157         SMC_NLA_DEV_PCI_DEVICE,         /* u16 */
 158         SMC_NLA_DEV_PCI_ID,             /* string */
 159         SMC_NLA_DEV_PORT,               /* nest */
 160         SMC_NLA_DEV_PORT2,              /* nest */
 161         SMC_NLA_DEV_IB_NAME,            /* string */
 162         __SMC_NLA_DEV_MAX,
 163         SMC_NLA_DEV_MAX = __SMC_NLA_DEV_MAX - 1
 164 };
 165
 166 /* SMC_NLA_STATS_T_TX(RX)_RMB_SIZE nested attributes */
 167 /* SMC_NLA_STATS_TX(RX)PLOAD_SIZE nested attributes */
 168 enum {
 169         SMC_NLA_STATS_PLOAD_PAD,
 170         SMC_NLA_STATS_PLOAD_8K,         /* u64 */
 171         SMC_NLA_STATS_PLOAD_16K,        /* u64 */
 172         SMC_NLA_STATS_PLOAD_32K,        /* u64 */
 173         SMC_NLA_STATS_PLOAD_64K,        /* u64 */
 174         SMC_NLA_STATS_PLOAD_128K,       /* u64 */
 175         SMC_NLA_STATS_PLOAD_256K,       /* u64 */
 176         SMC_NLA_STATS_PLOAD_512K,       /* u64 */
 177         SMC_NLA_STATS_PLOAD_1024K,      /* u64 */
 178         SMC_NLA_STATS_PLOAD_G_1024K,    /* u64 */
 179         __SMC_NLA_STATS_PLOAD_MAX,
 180         SMC_NLA_STATS_PLOAD_MAX = __SMC_NLA_STATS_PLOAD_MAX - 1
 181 };
 182
 183 /* SMC_NLA_STATS_T_TX(RX)_RMB_STATS nested attributes */
 184 enum {
 185         SMC_NLA_STATS_RMB_PAD,
 186         SMC_NLA_STATS_RMB_SIZE_SM_PEER_CNT,     /* u64 */
 187         SMC_NLA_STATS_RMB_SIZE_SM_CNT,          /* u64 */
 188         SMC_NLA_STATS_RMB_FULL_PEER_CNT,        /* u64 */
 189         SMC_NLA_STATS_RMB_FULL_CNT,             /* u64 */
 190         SMC_NLA_STATS_RMB_REUSE_CNT,            /* u64 */
 191         SMC_NLA_STATS_RMB_ALLOC_CNT,            /* u64 */
 192         SMC_NLA_STATS_RMB_DGRADE_CNT,           /* u64 */
 193         __SMC_NLA_STATS_RMB_MAX,
 194         SMC_NLA_STATS_RMB_MAX = __SMC_NLA_STATS_RMB_MAX - 1
 195 };
 196
 197 /* SMC_NLA_STATS_SMCD_TECH and _SMCR_TECH nested attributes */
 198 enum {
 199         SMC_NLA_STATS_T_PAD,
 200         SMC_NLA_STATS_T_TX_RMB_SIZE,    /* nest */
 201         SMC_NLA_STATS_T_RX_RMB_SIZE,    /* nest */
 202         SMC_NLA_STATS_T_TXPLOAD_SIZE,   /* nest */
 203         SMC_NLA_STATS_T_RXPLOAD_SIZE,   /* nest */
 204         SMC_NLA_STATS_T_TX_RMB_STATS,   /* nest */
 205         SMC_NLA_STATS_T_RX_RMB_STATS,   /* nest */
 206         SMC_NLA_STATS_T_CLNT_V1_SUCC,   /* u64 */
 207         SMC_NLA_STATS_T_CLNT_V2_SUCC,   /* u64 */
 208         SMC_NLA_STATS_T_SRV_V1_SUCC,    /* u64 */
 209         SMC_NLA_STATS_T_SRV_V2_SUCC,    /* u64 */
 210         SMC_NLA_STATS_T_SENDPAGE_CNT,   /* u64 */
 211         SMC_NLA_STATS_T_SPLICE_CNT,     /* u64 */
 212         SMC_NLA_STATS_T_CORK_CNT,       /* u64 */
 213         SMC_NLA_STATS_T_NDLY_CNT,       /* u64 */
 214         SMC_NLA_STATS_T_URG_DATA_CNT,   /* u64 */
 215         SMC_NLA_STATS_T_RX_BYTES,       /* u64 */
 216         SMC_NLA_STATS_T_TX_BYTES,       /* u64 */
 217         SMC_NLA_STATS_T_RX_CNT,         /* u64 */
 218         SMC_NLA_STATS_T_TX_CNT,         /* u64 */
 219         __SMC_NLA_STATS_T_MAX,
 220         SMC_NLA_STATS_T_MAX = __SMC_NLA_STATS_T_MAX - 1
 221 };
 222
 223 /* SMC_GEN_STATS attributes */
 224 enum {
 225         SMC_NLA_STATS_PAD,
 226         SMC_NLA_STATS_SMCD_TECH,        /* nest */
 227         SMC_NLA_STATS_SMCR_TECH,        /* nest */
 228         SMC_NLA_STATS_CLNT_HS_ERR_CNT,  /* u64 */
 229         SMC_NLA_STATS_SRV_HS_ERR_CNT,   /* u64 */
 230         __SMC_NLA_STATS_MAX,
 231         SMC_NLA_STATS_MAX = __SMC_NLA_STATS_MAX - 1
 232 };
 233
 234 /* SMC_GEN_FBACK_STATS attributes */
 235 enum {
 236         SMC_NLA_FBACK_STATS_PAD,
 237         SMC_NLA_FBACK_STATS_TYPE,       /* u8 */
 238         SMC_NLA_FBACK_STATS_SRV_CNT,    /* u64 */
 239         SMC_NLA_FBACK_STATS_CLNT_CNT,   /* u64 */
 240         SMC_NLA_FBACK_STATS_RSN_CODE,   /* u32 */
 241         SMC_NLA_FBACK_STATS_RSN_CNT,    /* u16 */
 242         __SMC_NLA_FBACK_STATS_MAX,
 243         SMC_NLA_FBACK_STATS_MAX = __SMC_NLA_FBACK_STATS_MAX - 1
 244 };
 245 #endif /* _UAPI_LINUX_SMC_H */