Update the new feature bit definition for virtio balloon and
the page bitmap header, request header struct to keep consistent
with kernel side.
Signed-off-by: Liang Li <liang.z.li@xxxxxxxxx>
---
include/standard-headers/linux/virtio_balloon.h | 41 +++++++++++++++++++++++++
1 file changed, 41 insertions(+)
diff --git a/include/standard-headers/linux/virtio_balloon.h b/include/standard-headers/linux/virtio_balloon.h
index 9d06ccd..797a868 100644
--- a/include/standard-headers/linux/virtio_balloon.h
+++ b/include/standard-headers/linux/virtio_balloon.h
@@ -34,6 +34,8 @@
#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_PAGE_BITMAP 3 /* Send page info with bitmap */
+#define VIRTIO_BALLOON_F_MISC_VQ 4 /* Misc info virtqueue */
/* Size of a PFN in the balloon interface. */
#define VIRTIO_BALLOON_PFN_SHIFT 12
@@ -82,4 +84,43 @@ struct virtio_balloon_stat {
__virtio64 val;
} QEMU_PACKED;
+/* Page bitmap header structure */
+struct balloon_bmap_hdr {
+ /* Used to distinguish different request */
+ __virtio16 cmd;
+ /* Shift width of page in the bitmap */
+ __virtio16 page_shift;
+ /* flag used to identify different status */
+ __virtio16 flag;
+ /* Reserved */
+ __virtio16 reserved;
+ /* ID of the request */
+ __virtio64 req_id;
+ /* The pfn of 0 bit in the bitmap */
+ __virtio64 start_pfn;
+ /* The length of the bitmap, in bytes */
+ __virtio64 bmap_len;
+};
+
+enum balloon_req_id {
+ /* Get free pages information */
+ BALLOON_GET_FREE_PAGES,
+};
+
+enum balloon_flag {
+ /* Have more data for a request */
+ BALLOON_FLAG_CONT,
+ /* No more data for a request */
+ BALLOON_FLAG_DONE,
+};
+
+struct balloon_req_hdr {
+ /* Used to distinguish different request */
+ __virtio16 cmd;
+ /* Reserved */
+ __virtio16 reserved[3];
+ /* Request parameter */
+ __virtio64 param;
+};
+
#endif /* _LINUX_VIRTIO_BALLOON_H */
--
1.8.3.1
--
To unsubscribe from this list: send the line "unsubscribe kvm" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
