LXR qemu/hw/rdma/rdma_backend

   1/*
   2 *  RDMA device: Definitions of Backend Device structures
   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 RDMA_BACKEND_DEFS_H
  17#define RDMA_BACKEND_DEFS_H
  18
  19#include <infiniband/verbs.h>
  20#include "qemu/thread.h"
  21
  22typedef struct RdmaDeviceResources RdmaDeviceResources;
  23
  24typedef struct RdmaBackendThread {
  25    QemuThread thread;
  26    QemuMutex mutex;
  27    bool run; /* Set by thread manager to let thread know it should exit */
  28    bool is_running; /* Set by the thread to report its status */
  29} RdmaBackendThread;
  30
  31typedef struct RdmaBackendDev {
  32    struct ibv_device_attr dev_attr;
  33    RdmaBackendThread comp_thread;
  34    union ibv_gid gid;
  35    PCIDevice *dev;
  36    RdmaDeviceResources *rdma_dev_res;
  37    struct ibv_device *ib_dev;
  38    struct ibv_context *context;
  39    struct ibv_comp_channel *channel;
  40    uint8_t port_num;
  41    uint8_t backend_gid_idx;
  42} RdmaBackendDev;
  43
  44typedef struct RdmaBackendPD {
  45    struct ibv_pd *ibpd;
  46} RdmaBackendPD;
  47
  48typedef struct RdmaBackendMR {
  49    struct ibv_pd *ibpd;
  50    struct ibv_mr *ibmr;
  51} RdmaBackendMR;
  52
  53typedef struct RdmaBackendCQ {
  54    RdmaBackendDev *backend_dev;
  55    struct ibv_cq *ibcq;
  56} RdmaBackendCQ;
  57
  58typedef struct RdmaBackendQP {
  59    struct ibv_pd *ibpd;
  60    struct ibv_qp *ibqp;
  61} RdmaBackendQP;
  62
  63#endif
  64