hw/rdma/rdma_backend_defs.h

   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
  22 typedef struct RdmaDeviceResources RdmaDeviceResources;
  23
  24 typedef 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
  31 typedef 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
  44 typedef struct RdmaBackendPD {
  45     struct ibv_pd *ibpd;
  46 } RdmaBackendPD;
  47
  48 typedef struct RdmaBackendMR {
  49     struct ibv_pd *ibpd;
  50     struct ibv_mr *ibmr;
  51 } RdmaBackendMR;
  52
  53 typedef struct RdmaBackendCQ {
  54     RdmaBackendDev *backend_dev;
  55     struct ibv_cq *ibcq;
  56 } RdmaBackendCQ;
  57
  58 typedef struct RdmaBackendQP {
  59     struct ibv_pd *ibpd;
  60     struct ibv_qp *ibqp;
  61 } RdmaBackendQP;
  62
  63 #endif