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[Qemu-devel] [QEMU v2 2/9] virtio-balloon: update linux head file
From: |
Liang Li |
Subject: |
[Qemu-devel] [QEMU v2 2/9] virtio-balloon: update linux head file |
Date: |
Fri, 15 Jul 2016 10:47:22 +0800 |
Update the new feature bit definition and the page bitmap header
struct to keep consistent with kernel side.
Signed-off-by: Liang Li <address@hidden>
---
include/standard-headers/linux/virtio_balloon.h | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)
diff --git a/include/standard-headers/linux/virtio_balloon.h
b/include/standard-headers/linux/virtio_balloon.h
index 9d06ccd..d577359 100644
--- a/include/standard-headers/linux/virtio_balloon.h
+++ b/include/standard-headers/linux/virtio_balloon.h
@@ -34,6 +34,7 @@
#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 */
/* Size of a PFN in the balloon interface. */
#define VIRTIO_BALLOON_PFN_SHIFT 12
@@ -82,4 +83,22 @@ 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;
+};
+
#endif /* _LINUX_VIRTIO_BALLOON_H */
--
1.9.1
- [Qemu-devel] [QEMU v2 0/9] Fast (de)inflating & fast live migration, Liang Li, 2016/07/14
- [Qemu-devel] [QEMU v2 1/9] virtio-balloon: Remove needless precompiled directive, Liang Li, 2016/07/14
- [Qemu-devel] [QEMU v2 2/9] virtio-balloon: update linux head file,
Liang Li <=
- [Qemu-devel] [QEMU v2 4/9] virtio-balloon: update linux head file for new feature, Liang Li, 2016/07/14
- [Qemu-devel] [QEMU v2 3/9] virtio-balloon: speed up inflating & deflating process, Liang Li, 2016/07/14
- [Qemu-devel] [QEMU v2 7/9] bitmap: Add a new bitmap_move function, Liang Li, 2016/07/14
- [Qemu-devel] [QEMU v2 6/9] balloon: migrate vq elem to destination, Liang Li, 2016/07/14
- [Qemu-devel] [QEMU v2 5/9] balloon: get free page info from guest, Liang Li, 2016/07/14
- [Qemu-devel] [QEMU v2 8/9] kvm: Add two new arch specific functions, Liang Li, 2016/07/14
- [Qemu-devel] [QEMU v2 9/9] migration: skip free pages during live migration, Liang Li, 2016/07/14
- Re: [Qemu-devel] [QEMU v2 0/9] Fast (de)inflating & fast live migration, Li, Liang Z, 2016/07/21