cachepc-qemu

Fork of AMDESE/qemu with changes for cachepc side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-qemu
Log | Files | Refs | Submodules | LICENSE | sfeed.txt

vhost-user-blk.h (1511B)

      1/*
      2 * vhost-user-blk host device
      3 * Copyright(C) 2017 Intel Corporation.
      4 *
      5 * Authors:
      6 *  Changpeng Liu <changpeng.liu@intel.com>
      7 *
      8 * Based on vhost-scsi.h, Copyright IBM, Corp. 2011
      9 *
     10 * This work is licensed under the terms of the GNU LGPL, version 2 or later.
     11 * See the COPYING.LIB file in the top-level directory.
     12 *
     13 */
     14
     15#ifndef VHOST_USER_BLK_H
     16#define VHOST_USER_BLK_H
     17
     18#include "standard-headers/linux/virtio_blk.h"
     19#include "hw/block/block.h"
     20#include "chardev/char-fe.h"
     21#include "hw/virtio/vhost.h"
     22#include "hw/virtio/vhost-user.h"
     23#include "qom/object.h"
     24
     25#define TYPE_VHOST_USER_BLK "vhost-user-blk"
     26OBJECT_DECLARE_SIMPLE_TYPE(VHostUserBlk, VHOST_USER_BLK)
     27
     28#define VHOST_USER_BLK_AUTO_NUM_QUEUES UINT16_MAX
     29
     30struct VHostUserBlk {
     31    VirtIODevice parent_obj;
     32    CharBackend chardev;
     33    int32_t bootindex;
     34    struct virtio_blk_config blkcfg;
     35    uint16_t num_queues;
     36    uint32_t queue_size;
     37    uint32_t config_wce;
     38    struct vhost_dev dev;
     39    struct vhost_inflight *inflight;
     40    VhostUserState vhost_user;
     41    struct vhost_virtqueue *vhost_vqs;
     42    VirtQueue **virtqs;
     43
     44    /*
     45     * There are at least two steps of initialization of the
     46     * vhost-user device. The first is a "connect" step and
     47     * second is a "start" step. Make a separation between
     48     * those initialization phases by using two fields.
     49     */
     50    /* vhost_user_blk_connect/vhost_user_blk_disconnect */
     51    bool connected;
     52    /* vhost_user_blk_start/vhost_user_blk_stop */
     53    bool started_vu;
     54};
     55
     56#endif