Re: [Qemu-devel] [PATCH] vhost-vsock: report QMP event when set running

["Michael S. Tsirkin" <mst@redhat.com>]

On Tue, Jul 30, 2019 at 12:24:27PM +0000, N. B. wrote:
> From: Ning Bo <n.b@live.com>
> 
> Report vsock running event so that the upper application can
> control boot sequence.
> see https://github.com/kata-containers/runtime/pull/1918
> 
> Signed-off-by: Ning Bo <ning.bo9@zte.com.cn>

Cc Stefan.

Stefan, are you willing to maintain virtio/vhost-vsock in qemu, too?

If yes let's add an entry to MAINTAINERS, ok?

> ---
>  hw/virtio/vhost-vsock.c |  3 +++
>  qapi/char.json          | 22 ++++++++++++++++++++++
>  2 files changed, 25 insertions(+)
> 
> diff --git a/hw/virtio/vhost-vsock.c b/hw/virtio/vhost-vsock.c
> index 0371493..a5920fd 100644
> --- a/hw/virtio/vhost-vsock.c
> +++ b/hw/virtio/vhost-vsock.c
> @@ -22,6 +22,7 @@
>  #include "qemu/iov.h"
>  #include "qemu/module.h"
>  #include "monitor/monitor.h"
> +#include "qapi/qapi-events-char.h"
>  
>  enum {
>      VHOST_VSOCK_SAVEVM_VERSION = 0,
> @@ -68,6 +69,8 @@ static int vhost_vsock_set_running(VHostVSock *vsock, int start)
>      if (ret < 0) {
>          return -errno;
>      }
> +    qapi_event_send_vsock_running(vsock->conf.guest_cid, start != 0);
> +
>      return 0;
>  }
>  
> diff --git a/qapi/char.json b/qapi/char.json
> index a6e81ac..0958dd1 100644
> --- a/qapi/char.json
> +++ b/qapi/char.json
> @@ -570,3 +570,25 @@
>  { 'event': 'VSERPORT_CHANGE',
>    'data': { 'id': 'str',
>              'open': 'bool' } }
> +
> +##
> +# @VSOCK_RUNNING:
> +#
> +# Emitted when the guest be set running.
> +#
> +# @cid: guest context ID
> +#
> +# @running: true if the vsock be set running
> +#
> +# Since: v4.1.0
> +#
> +# Example:
> +#
> +# <- { "event": "VSOCK_RUNNING",
> +#      "data": { "cid": "123456", "running": true },
> +#      "timestamp": { "seconds": 1401385907, "microseconds": 422329 } }
> +#
> +##
> +{ 'event': 'VSOCK_RUNNING',
> +  'data': { 'cid': 'uint64',
> +            'running': 'bool' } }
> -- 
> 2.9.5