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virtio: increase the queue limit to 1024

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Increase the queue limit to 1024. But virtio-ccw and s390-virtio won't
support this, this is done through failing device_plugged() for those
two transports if the number of virtqueues is greater than 64.

Signed-off-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Jason Wang 2015-05-29 14:15:32 +08:00 committed by Michael S. Tsirkin
parent 87b3bd1c85
commit b829c2a98f
1 changed files with 1 additions and 1 deletions
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2
include/hw/virtio/virtio.h
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@ -48,7 +48,7 @@ typedef struct VirtQueueElement
struct iovec out_sg[VIRTQUEUE_MAX_SIZE];
} VirtQueueElement;
#define VIRTIO_QUEUE_MAX 64
#define VIRTIO_QUEUE_MAX 1024
#define VIRTIO_NO_VECTOR 0xffff