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Diffstat (limited to 'linux-headers/include/linux/virtio_balloon.h')
-rw-r--r--linux-headers/include/linux/virtio_balloon.h18
1 files changed, 13 insertions, 5 deletions
diff --git a/linux-headers/include/linux/virtio_balloon.h b/linux-headers/include/linux/virtio_balloon.h
index a1966cd..ddaa45e 100644
--- a/linux-headers/include/linux/virtio_balloon.h
+++ b/linux-headers/include/linux/virtio_balloon.h
@@ -36,6 +36,7 @@
#define VIRTIO_BALLOON_F_DEFLATE_ON_OOM 2 /* Deflate balloon on OOM */
#define VIRTIO_BALLOON_F_FREE_PAGE_HINT 3 /* VQ to report free pages */
#define VIRTIO_BALLOON_F_PAGE_POISON 4 /* Guest is using page poisoning */
+#define VIRTIO_BALLOON_F_REPORTING 5 /* Page reporting virtqueue */
/* Size of a PFN in the balloon interface. */
#define VIRTIO_BALLOON_PFN_SHIFT 12
@@ -44,13 +45,20 @@
#define VIRTIO_BALLOON_CMD_ID_DONE 1
struct virtio_balloon_config {
/* Number of pages host wants Guest to give up. */
- __u32 num_pages;
+ __le32 num_pages;
/* Number of pages we've actually got in balloon. */
- __u32 actual;
- /* Free page report command id, readonly by guest */
- __u32 free_page_report_cmd_id;
+ __le32 actual;
+ /*
+ * Free page hint command id, readonly by guest.
+ * Was previously named free_page_report_cmd_id so we
+ * need to carry that name for legacy support.
+ */
+ union {
+ __le32 free_page_hint_cmd_id;
+ __le32 free_page_report_cmd_id; /* deprecated */
+ };
/* Stores PAGE_POISON if page poisoning is in use */
- __u32 poison_val;
+ __le32 poison_val;
};
#define VIRTIO_BALLOON_S_SWAP_IN 0 /* Amount of memory swapped in */