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 };
  51
  52 /* SMC_GENL_FAMILY top level attributes */
  53 enum {
  54         SMC_GEN_UNSPEC,
  55         SMC_GEN_SYS_INFO,               /* nest */
  56         SMC_GEN_LGR_SMCR,               /* nest */
  57         SMC_GEN_LINK_SMCR,              /* nest */
  58         SMC_GEN_LGR_SMCD,               /* nest */
  59         SMC_GEN_DEV_SMCD,               /* nest */
  60         SMC_GEN_DEV_SMCR,               /* nest */
  61         __SMC_GEN_MAX,
  62         SMC_GEN_MAX = __SMC_GEN_MAX - 1
  63 };
  64
  65 /* SMC_GEN_SYS_INFO attributes */
  66 enum {
  67         SMC_NLA_SYS_UNSPEC,
  68         SMC_NLA_SYS_VER,                /* u8 */
  69         SMC_NLA_SYS_REL,                /* u8 */
  70         SMC_NLA_SYS_IS_ISM_V2,          /* u8 */
  71         SMC_NLA_SYS_LOCAL_HOST,         /* string */
  72         SMC_NLA_SYS_SEID,               /* string */
  73         __SMC_NLA_SYS_MAX,
  74         SMC_NLA_SYS_MAX = __SMC_NLA_SYS_MAX - 1
  75 };
  76
  77 /* SMC_NLA_LGR_V2 nested attributes */
  78 enum {
  79         SMC_NLA_LGR_V2_VER,             /* u8 */
  80         SMC_NLA_LGR_V2_REL,             /* u8 */
  81         SMC_NLA_LGR_V2_OS,              /* u8 */
  82         SMC_NLA_LGR_V2_NEG_EID,         /* string */
  83         SMC_NLA_LGR_V2_PEER_HOST,       /* string */
  84 };
  85
  86 /* SMC_GEN_LGR_SMCR attributes */
  87 enum {
  88         SMC_NLA_LGR_R_UNSPEC,
  89         SMC_NLA_LGR_R_ID,               /* u32 */
  90         SMC_NLA_LGR_R_ROLE,             /* u8 */
  91         SMC_NLA_LGR_R_TYPE,             /* u8 */
  92         SMC_NLA_LGR_R_PNETID,           /* string */
  93         SMC_NLA_LGR_R_VLAN_ID,          /* u8 */
  94         SMC_NLA_LGR_R_CONNS_NUM,        /* u32 */
  95         __SMC_NLA_LGR_R_MAX,
  96         SMC_NLA_LGR_R_MAX = __SMC_NLA_LGR_R_MAX - 1
  97 };
  98
  99 /* SMC_GEN_LINK_SMCR attributes */
 100 enum {
 101         SMC_NLA_LINK_UNSPEC,
 102         SMC_NLA_LINK_ID,                /* u8 */
 103         SMC_NLA_LINK_IB_DEV,            /* string */
 104         SMC_NLA_LINK_IB_PORT,           /* u8 */
 105         SMC_NLA_LINK_GID,               /* string */
 106         SMC_NLA_LINK_PEER_GID,          /* string */
 107         SMC_NLA_LINK_CONN_CNT,          /* u32 */
 108         SMC_NLA_LINK_NET_DEV,           /* u32 */
 109         SMC_NLA_LINK_UID,               /* u32 */
 110         SMC_NLA_LINK_PEER_UID,          /* u32 */
 111         SMC_NLA_LINK_STATE,             /* u32 */
 112         __SMC_NLA_LINK_MAX,
 113         SMC_NLA_LINK_MAX = __SMC_NLA_LINK_MAX - 1
 114 };
 115
 116 /* SMC_GEN_LGR_SMCD attributes */
 117 enum {
 118         SMC_NLA_LGR_D_UNSPEC,
 119         SMC_NLA_LGR_D_ID,               /* u32 */
 120         SMC_NLA_LGR_D_GID,              /* u64 */
 121         SMC_NLA_LGR_D_PEER_GID,         /* u64 */
 122         SMC_NLA_LGR_D_VLAN_ID,          /* u8 */
 123         SMC_NLA_LGR_D_CONNS_NUM,        /* u32 */
 124         SMC_NLA_LGR_D_PNETID,           /* string */
 125         SMC_NLA_LGR_D_CHID,             /* u16 */
 126         SMC_NLA_LGR_D_PAD,              /* flag */
 127         SMC_NLA_LGR_V2,                 /* nest */
 128         __SMC_NLA_LGR_D_MAX,
 129         SMC_NLA_LGR_D_MAX = __SMC_NLA_LGR_D_MAX - 1
 130 };
 131
 132 /* SMC_NLA_DEV_PORT nested attributes */
 133 enum {
 134         SMC_NLA_DEV_PORT_UNSPEC,
 135         SMC_NLA_DEV_PORT_PNET_USR,      /* u8 */
 136         SMC_NLA_DEV_PORT_PNETID,        /* string */
 137         SMC_NLA_DEV_PORT_NETDEV,        /* u32 */
 138         SMC_NLA_DEV_PORT_STATE,         /* u8 */
 139         SMC_NLA_DEV_PORT_VALID,         /* u8 */
 140         SMC_NLA_DEV_PORT_LNK_CNT,       /* u32 */
 141         __SMC_NLA_DEV_PORT_MAX,
 142         SMC_NLA_DEV_PORT_MAX = __SMC_NLA_DEV_PORT_MAX - 1
 143 };
 144
 145 /* SMC_GEN_DEV_SMCD and SMC_GEN_DEV_SMCR attributes */
 146 enum {
 147         SMC_NLA_DEV_UNSPEC,
 148         SMC_NLA_DEV_USE_CNT,            /* u32 */
 149         SMC_NLA_DEV_IS_CRIT,            /* u8 */
 150         SMC_NLA_DEV_PCI_FID,            /* u32 */
 151         SMC_NLA_DEV_PCI_CHID,           /* u16 */
 152         SMC_NLA_DEV_PCI_VENDOR,         /* u16 */
 153         SMC_NLA_DEV_PCI_DEVICE,         /* u16 */
 154         SMC_NLA_DEV_PCI_ID,             /* string */
 155         SMC_NLA_DEV_PORT,               /* nest */
 156         SMC_NLA_DEV_PORT2,              /* nest */
 157         SMC_NLA_DEV_IB_NAME,            /* string */
 158         __SMC_NLA_DEV_MAX,
 159         SMC_NLA_DEV_MAX = __SMC_NLA_DEV_MAX - 1
 160 };
 161
 162 #endif /* _UAPI_LINUX_SMC_H */