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virtio: Introduce started flag to VirtioDevice

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The virtio 1.0 transitional devices support driver uses the device
before setting the DRIVER_OK status bit. So we introduce a started
flag to indicate whether driver has started the device or not.

Signed-off-by: Xie Yongji <xieyongji@baidu.com>
Signed-off-by: Zhang Yu <zhangyu31@baidu.com>
Message-Id: <20190320112646.3712-2-xieyongji@baidu.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Xie Yongji 2019-03-20 19:26:40 +08:00 • committed by Michael S. Tsirkin
parent ed1be66bfc
commit badaf79cfd
2 changed files with 52 additions and 2 deletions
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2
include/hw/virtio/virtio.h
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@ -105,6 +105,8 @@ struct VirtIODevice
uint16_t device_id;
bool vm_running;
bool broken; /* device in invalid state, needs reset */
bool started;
bool start_on_kick; /* virtio 1.0 transitional devices support that */
VMChangeStateEntry *vmstate;
char *bus_name;
uint8_t device_endian;