LXR qemu/contrib/rdmacm-mux/rdmacm-mux.h

   1/*
   2 * QEMU paravirtual RDMA - rdmacm-mux declarations
   3 *
   4 * Copyright (C) 2018 Oracle
   5 * Copyright (C) 2018 Red Hat Inc
   6 *
   7 * Authors:
   8 *     Yuval Shaia <yuval.shaia@oracle.com>
   9 *     Marcel Apfelbaum <marcel@redhat.com>
  10 *
  11 * This work is licensed under the terms of the GNU GPL, version 2 or later.
  12 * See the COPYING file in the top-level directory.
  13 *
  14 */
  15
  16#ifndef RDMACM_MUX_H
  17#define RDMACM_MUX_H
  18
  19#include "linux/if.h"
  20#include <infiniband/verbs.h>
  21#include <infiniband/umad.h>
  22#include <rdma/rdma_user_cm.h>
  23
  24typedef enum RdmaCmMuxMsgType {
  25    RDMACM_MUX_MSG_TYPE_REQ   = 0,
  26    RDMACM_MUX_MSG_TYPE_RESP  = 1,
  27} RdmaCmMuxMsgType;
  28
  29typedef enum RdmaCmMuxOpCode {
  30    RDMACM_MUX_OP_CODE_REG   = 0,
  31    RDMACM_MUX_OP_CODE_UNREG = 1,
  32    RDMACM_MUX_OP_CODE_MAD   = 2,
  33} RdmaCmMuxOpCode;
  34
  35typedef enum RdmaCmMuxErrCode {
  36    RDMACM_MUX_ERR_CODE_OK        = 0,
  37    RDMACM_MUX_ERR_CODE_EINVAL    = 1,
  38    RDMACM_MUX_ERR_CODE_EEXIST    = 2,
  39    RDMACM_MUX_ERR_CODE_EACCES    = 3,
  40    RDMACM_MUX_ERR_CODE_ENOTFOUND = 4,
  41} RdmaCmMuxErrCode;
  42
  43typedef struct RdmaCmMuxHdr {
  44    RdmaCmMuxMsgType msg_type;
  45    RdmaCmMuxOpCode op_code;
  46    union ibv_gid sgid;
  47    RdmaCmMuxErrCode err_code;
  48} RdmaCmUHdr;
  49
  50typedef struct RdmaCmUMad {
  51    struct ib_user_mad hdr;
  52    char mad[RDMA_MAX_PRIVATE_DATA];
  53} RdmaCmUMad;
  54
  55typedef struct RdmaCmMuxMsg {
  56    RdmaCmUHdr hdr;
  57    int umad_len;
  58    RdmaCmUMad umad;
  59} RdmaCmMuxMsg;
  60
  61#endif
  62