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Marc-André Lureau
1b21518f73
The actual backend is "Chardev", CharBackend is the frontend side of it (whatever talks to the backend), let's rename it for readability. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Link: https://lore.kernel.org/r/20251022074612.1258413-1-marcandre.lureau@redhat.com Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
58 lines
1.5 KiB
C
58 lines
1.5 KiB
C
/*
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* vhost-user-blk host device
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* Copyright(C) 2017 Intel Corporation.
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*
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* Authors:
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* Changpeng Liu <changpeng.liu@intel.com>
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*
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* Based on vhost-scsi.h, Copyright IBM, Corp. 2011
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*
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* This work is licensed under the terms of the GNU LGPL, version 2 or later.
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* See the COPYING.LIB file in the top-level directory.
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*
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*/
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#ifndef VHOST_USER_BLK_H
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#define VHOST_USER_BLK_H
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#include "standard-headers/linux/virtio_blk.h"
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#include "hw/block/block.h"
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#include "chardev/char-fe.h"
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#include "hw/virtio/vhost.h"
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#include "hw/virtio/vhost-user.h"
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#include "qom/object.h"
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#define TYPE_VHOST_USER_BLK "vhost-user-blk"
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OBJECT_DECLARE_SIMPLE_TYPE(VHostUserBlk, VHOST_USER_BLK)
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#define VHOST_USER_BLK_AUTO_NUM_QUEUES UINT16_MAX
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struct VHostUserBlk {
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VirtIODevice parent_obj;
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CharFrontend chardev;
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int32_t bootindex;
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struct virtio_blk_config blkcfg;
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uint16_t num_queues;
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uint32_t queue_size;
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struct vhost_dev dev;
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struct vhost_inflight *inflight;
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VhostUserState vhost_user;
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struct vhost_virtqueue *vhost_vqs;
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VirtQueue **virtqs;
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/*
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* There are at least two steps of initialization of the
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* vhost-user device. The first is a "connect" step and
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* second is a "start" step. Make a separation between
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* those initialization phases by using two fields.
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*/
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/* vhost_user_blk_connect/vhost_user_blk_disconnect */
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bool connected;
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/* vhost_user_blk_start/vhost_user_blk_stop */
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bool started_vu;
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bool skip_get_vring_base_on_force_shutdown;
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};
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#endif
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