| Message ID | 1488519630-89058-3-git-send-email-wei.w.wang@intel.com |
|---|---|
| State | New |
| Headers | show |
On Fri, Mar 03, 2017 at 01:40:27PM +0800, Wei Wang wrote: > From: Liang Li <liang.z.li@intel.com> > > Add a new feature bit, VIRTIO_BALLOON_F_CHUNK_TRANSFER. Please check > the implementation patch commit for details about this feature. better squash into next patch. > Signed-off-by: Liang Li <liang.z.li@intel.com> > Signed-off-by: Wei Wang <wei.w.wang@intel.com> > Cc: Michael S. Tsirkin <mst@redhat.com> > Cc: Paolo Bonzini <pbonzini@redhat.com> > Cc: Cornelia Huck <cornelia.huck@de.ibm.com> > Cc: Amit Shah <amit.shah@redhat.com> > Cc: Dave Hansen <dave.hansen@intel.com> > Cc: Andrea Arcangeli <aarcange@redhat.com> > Cc: David Hildenbrand <david@redhat.com> > Cc: Liang Li <liliang324@gmail.com> > Cc: Wei Wang <wei.w.wang@intel.com> > --- > include/uapi/linux/virtio_balloon.h | 12 ++++++++++++ > 1 file changed, 12 insertions(+) > > diff --git a/include/uapi/linux/virtio_balloon.h b/include/uapi/linux/virtio_balloon.h > index 343d7dd..ed627b2 100644 > --- a/include/uapi/linux/virtio_balloon.h > +++ b/include/uapi/linux/virtio_balloon.h > @@ -34,10 +34,14 @@ > #define VIRTIO_BALLOON_F_MUST_TELL_HOST 0 /* Tell before reclaiming pages */ > #define VIRTIO_BALLOON_F_STATS_VQ 1 /* Memory Stats virtqueue */ > #define VIRTIO_BALLOON_F_DEFLATE_ON_OOM 2 /* Deflate balloon on OOM */ > +#define VIRTIO_BALLOON_F_CHUNK_TRANSFER 3 /* Transfer pages in chunks */ > > /* Size of a PFN in the balloon interface. */ > #define VIRTIO_BALLOON_PFN_SHIFT 12 > > +/* Shift to get a chunk size */ > +#define VIRTIO_BALLOON_CHUNK_SIZE_SHIFT 12 > + > struct virtio_balloon_config { > /* Number of pages host wants Guest to give up. */ > __u32 num_pages; > @@ -82,4 +86,12 @@ struct virtio_balloon_stat { > __virtio64 val; > } __attribute__((packed)); > > +/* Response header structure */ > +struct virtio_balloon_resp_hdr { > + u8 cmd; > + u8 flag; > + __le16 id; /* cmd id */ > + __le32 data_len; /* Payload len in bytes */ > +}; > + > #endif /* _LINUX_VIRTIO_BALLOON_H */ > -- > 2.7.4
On 03/08/2017 12:01 PM, Michael S. Tsirkin wrote: > On Fri, Mar 03, 2017 at 01:40:27PM +0800, Wei Wang wrote: >> From: Liang Li <liang.z.li@intel.com> >> >> Add a new feature bit, VIRTIO_BALLOON_F_CHUNK_TRANSFER. Please check >> the implementation patch commit for details about this feature. > > better squash into next patch. OK, will do. Best, Wei
diff --git a/include/uapi/linux/virtio_balloon.h b/include/uapi/linux/virtio_balloon.h index 343d7dd..ed627b2 100644 --- a/include/uapi/linux/virtio_balloon.h +++ b/include/uapi/linux/virtio_balloon.h @@ -34,10 +34,14 @@ #define VIRTIO_BALLOON_F_MUST_TELL_HOST 0 /* Tell before reclaiming pages */ #define VIRTIO_BALLOON_F_STATS_VQ 1 /* Memory Stats virtqueue */ #define VIRTIO_BALLOON_F_DEFLATE_ON_OOM 2 /* Deflate balloon on OOM */ +#define VIRTIO_BALLOON_F_CHUNK_TRANSFER 3 /* Transfer pages in chunks */ /* Size of a PFN in the balloon interface. */ #define VIRTIO_BALLOON_PFN_SHIFT 12 +/* Shift to get a chunk size */ +#define VIRTIO_BALLOON_CHUNK_SIZE_SHIFT 12 + struct virtio_balloon_config { /* Number of pages host wants Guest to give up. */ __u32 num_pages; @@ -82,4 +86,12 @@ struct virtio_balloon_stat { __virtio64 val; } __attribute__((packed)); +/* Response header structure */ +struct virtio_balloon_resp_hdr { + u8 cmd; + u8 flag; + __le16 id; /* cmd id */ + __le32 data_len; /* Payload len in bytes */ +}; + #endif /* _LINUX_VIRTIO_BALLOON_H */