On 31/07/2017 16:51, Stefan Hajnoczi wrote:
> typedef enum VhostUserRequest {
> ...
>
> /* Submitted by the vhost-user master when the guest writes to
> * virtio config space and also after live migration on the
> * destination host.
> */
> VHOST_USER_SET_CONFIG,
>
> /* Submitted by the vhost-user master to fetch the contents of the
> * virtio config space. The vhost-user master may cache the
> * contents to avoid repeated VHOST_USER_GET_CONFIG calls.
> */
> VHOST_USER_GET_CONFIG,
>
> ...
> };
Also:
/* Submitted by the vhost-user master if it would like to
* be informed of virtio config space changes. The slave
* signals the eventfd whenever config space is modified.
*/
VHOST_USER_SET_CONFIG_FD,
Paolo
> struct VuDev {
> ...
> int config_change_fd;
> ...
> };
