On Wed, Aug 26, 2020 at 07:46:33PM +0200, Guennadi Liakhovetski wrote: > VHOST_VSOCK_SET_RUNNING is used by the vhost vsock driver to perform > crucial VirtQueue initialisation, like assigning .private fields and > calling vhost_vq_init_access(), and clean up. However, this ioctl is > actually extremely useful for any vhost driver, that doesn't have a > side channel to inform it of a status change, e.g. upon a guest > reboot. This patch makes that ioctl generic, while preserving its > numeric value and also keeping the original alias. > > Signed-off-by: Guennadi Liakhovetski <guennadi.liakhovetski@xxxxxxxxxxxxxxx> > --- > include/uapi/linux/vhost.h | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > diff --git a/include/uapi/linux/vhost.h b/include/uapi/linux/vhost.h > index 75232185324a..11a4948b6216 100644 > --- a/include/uapi/linux/vhost.h > +++ b/include/uapi/linux/vhost.h > @@ -97,6 +97,8 @@ > #define VHOST_SET_BACKEND_FEATURES _IOW(VHOST_VIRTIO, 0x25, __u64) > #define VHOST_GET_BACKEND_FEATURES _IOR(VHOST_VIRTIO, 0x26, __u64) > > +#define VHOST_SET_RUNNING _IOW(VHOST_VIRTIO, 0x61, int) > + I don't see it used in the next patches and as such should be part of another series. > /* VHOST_NET specific defines */ > > /* Attach virtio net ring to a raw socket, or tap device. > @@ -118,7 +120,7 @@ > /* VHOST_VSOCK specific defines */ > > #define VHOST_VSOCK_SET_GUEST_CID _IOW(VHOST_VIRTIO, 0x60, __u64) > -#define VHOST_VSOCK_SET_RUNNING _IOW(VHOST_VIRTIO, 0x61, int) > +#define VHOST_VSOCK_SET_RUNNING VHOST_SET_RUNNING > > /* VHOST_VDPA specific defines */ > > -- > 2.28.0 >
