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 "qemu/thread.h"
  20#include "chardev/char-fe.h"
  21#include <infiniband/verbs.h>
  22#include "contrib/rdmacm-mux/rdmacm-mux.h"
  23#include "rdma_utils.h"
  24
  25typedef struct RdmaDeviceResources RdmaDeviceResources;
  26
  27typedef struct RdmaBackendThread {
  28    QemuThread thread;
  29    bool run; /* Set by thread manager to let thread know it should exit */
  30    bool is_running; /* Set by the thread to report its status */
  31} RdmaBackendThread;
  32
  33typedef struct RdmaCmMux {
  34    CharBackend *chr_be;
  35    int can_receive;
  36} RdmaCmMux;
  37
  38typedef struct RdmaBackendDev {
  39    RdmaBackendThread comp_thread;
  40    PCIDevice *dev;
  41    RdmaDeviceResources *rdma_dev_res;
  42    struct ibv_device *ib_dev;
  43    struct ibv_context *context;
  44    struct ibv_comp_channel *channel;
  45    uint8_t port_num;
  46    RdmaProtectedGQueue recv_mads_list;
  47    RdmaCmMux rdmacm_mux;
  48} RdmaBackendDev;
  49
  50typedef struct RdmaBackendPD {
  51    struct ibv_pd *ibpd;
  52} RdmaBackendPD;
  53
  54typedef struct RdmaBackendMR {
  55    struct ibv_pd *ibpd;
  56    struct ibv_mr *ibmr;
  57} RdmaBackendMR;
  58
  59typedef struct RdmaBackendCQ {
  60    RdmaBackendDev *backend_dev;
  61    struct ibv_cq *ibcq;
  62} RdmaBackendCQ;
  63
  64typedef struct RdmaBackendQP {
  65    struct ibv_pd *ibpd;
  66    struct ibv_qp *ibqp;
  67    uint8_t sgid_idx;
  68    RdmaProtectedGSList cqe_ctx_list;
  69} RdmaBackendQP;
  70
  71typedef struct RdmaBackendSRQ {
  72    struct ibv_srq *ibsrq;
  73    RdmaProtectedGSList cqe_ctx_list;
  74} RdmaBackendSRQ;
  75
  76#endif
  77