25b1d45a19
Read only feature shouldn't be negotiable, because if the backend device reported Read only feature supported, QEMU host driver shouldn't change backend's RO attribute. While here, also enable the vhost-user-blk test utility to test RO feature. Signed-off-by: Changpeng Liu <changpeng.liu@intel.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
43 lines
1.0 KiB
C
43 lines
1.0 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 "qemu-common.h"
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#include "hw/qdev.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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#define TYPE_VHOST_USER_BLK "vhost-user-blk"
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#define VHOST_USER_BLK(obj) \
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OBJECT_CHECK(VHostUserBlk, (obj), TYPE_VHOST_USER_BLK)
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typedef struct VHostUserBlk {
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VirtIODevice parent_obj;
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CharBackend 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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uint32_t config_wce;
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struct vhost_dev dev;
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VhostUserState *vhost_user;
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} VHostUserBlk;
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#endif
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