mirror of
https://github.com/qemu/qemu.git
synced 2025-10-31 12:07:31 +00:00
f1c25f295d
No reason to have this be a separate field. This also makes it more akin to what the virtio-blk device does. Signed-off-by: Daniil Tatianin <d-tatianin@yandex-team.ru> Reviewed-by: Raphael Norwitz <raphael.norwitz@nutanix.com> Message-Id: <20220906073111.353245-5-d-tatianin@yandex-team.ru> Reviewed-by: Raphael Norwitz <raphael.norwitz@nutanix.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
56 lines
1.5 KiB
C
56 lines
1.5 KiB
C
/*
|
|
* vhost-user-blk host device
|
|
* Copyright(C) 2017 Intel Corporation.
|
|
*
|
|
* Authors:
|
|
* Changpeng Liu <changpeng.liu@intel.com>
|
|
*
|
|
* Based on vhost-scsi.h, Copyright IBM, Corp. 2011
|
|
*
|
|
* This work is licensed under the terms of the GNU LGPL, version 2 or later.
|
|
* See the COPYING.LIB file in the top-level directory.
|
|
*
|
|
*/
|
|
|
|
#ifndef VHOST_USER_BLK_H
|
|
#define VHOST_USER_BLK_H
|
|
|
|
#include "standard-headers/linux/virtio_blk.h"
|
|
#include "hw/block/block.h"
|
|
#include "chardev/char-fe.h"
|
|
#include "hw/virtio/vhost.h"
|
|
#include "hw/virtio/vhost-user.h"
|
|
#include "qom/object.h"
|
|
|
|
#define TYPE_VHOST_USER_BLK "vhost-user-blk"
|
|
OBJECT_DECLARE_SIMPLE_TYPE(VHostUserBlk, VHOST_USER_BLK)
|
|
|
|
#define VHOST_USER_BLK_AUTO_NUM_QUEUES UINT16_MAX
|
|
|
|
struct VHostUserBlk {
|
|
VirtIODevice parent_obj;
|
|
CharBackend chardev;
|
|
int32_t bootindex;
|
|
struct virtio_blk_config blkcfg;
|
|
uint16_t num_queues;
|
|
uint32_t queue_size;
|
|
struct vhost_dev dev;
|
|
struct vhost_inflight *inflight;
|
|
VhostUserState vhost_user;
|
|
struct vhost_virtqueue *vhost_vqs;
|
|
VirtQueue **virtqs;
|
|
|
|
/*
|
|
* There are at least two steps of initialization of the
|
|
* vhost-user device. The first is a "connect" step and
|
|
* second is a "start" step. Make a separation between
|
|
* those initialization phases by using two fields.
|
|
*/
|
|
/* vhost_user_blk_connect/vhost_user_blk_disconnect */
|
|
bool connected;
|
|
/* vhost_user_blk_start/vhost_user_blk_stop */
|
|
bool started_vu;
|
|
};
|
|
|
|
#endif
|