(CCing virtio-comment, since this proposes adding a field to a struct that is standardized[1] in the VIRTIO spec, so changes to the Linux implementation should presumably be coordinated with changes to the spec.)
[1]: https://docs.oasis-open.org/virtio/virtio/v1.3/csd01/virtio-v1.3-csd01.html#x1-4780004 On Fri, May 17, 2024 at 10:46:03PM +0800, Xuewei Niu wrote: > The "order" field determines the location of the device in the linked list, > the device with CID 4, having a smallest order, is in the first place, and > so forth. > > Rules: > > * It doesn’t have to be continuous; > * It cannot exist conflicts; > * It is optional for the mode of a single device, but is required for the > mode of multiple devices. > > Signed-off-by: Xuewei Niu <niuxuewei....@antgroup.com> > --- > include/uapi/linux/virtio_vsock.h | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/include/uapi/linux/virtio_vsock.h > b/include/uapi/linux/virtio_vsock.h > index 64738838bee5..b62ec7d2ab1e 100644 > --- a/include/uapi/linux/virtio_vsock.h > +++ b/include/uapi/linux/virtio_vsock.h > @@ -43,6 +43,7 @@ > > struct virtio_vsock_config { > __le64 guest_cid; > + __le64 order; > } __attribute__((packed)); > > enum virtio_vsock_event_id { > -- > 2.34.1 >
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