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authorPeter Maydell <peter.maydell@linaro.org>2019-02-05 16:52:19 +0000
committerPeter Maydell <peter.maydell@linaro.org>2019-02-05 16:52:19 +0000
commit68df0c30edf0b9766a2364cbf12328db3d7284e8 (patch)
treed003c5c13b706c3ac97547eb21aa3d0261f41b57 /include/standard-headers/linux/virtio_balloon.h
parent01a9a51ffaf4699827ea6425cb2b834a356e159d (diff)
parent8bafafcc292925f75eb55c6da2815ca131999570 (diff)
downloadfocaccia-qemu-68df0c30edf0b9766a2364cbf12328db3d7284e8.tar.gz
focaccia-qemu-68df0c30edf0b9766a2364cbf12328db3d7284e8.zip
Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging
pci, pc, virtio: fixes, cleanups, features

vhost user blk discard/write zeroes features
misc cleanups and fixes all over the place

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

# gpg: Signature made Tue 05 Feb 2019 16:00:20 GMT
# gpg:                using RSA key 281F0DB8D28D5469
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" [full]
# gpg:                 aka "Michael S. Tsirkin <mst@redhat.com>" [full]
# Primary key fingerprint: 0270 606B 6F3C DF3D 0B17  0970 C350 3912 AFBE 8E67
#      Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA  8A0D 281F 0DB8 D28D 5469

* remotes/mst/tags/for_upstream:
  contrib/libvhost-user: cleanup casts
  r2d: fix build on mingw
  mmap-alloc: fix hugetlbfs misaligned length in ppc64
  mmap-alloc: unfold qemu_ram_mmap()
  i386, acpi: cleanup build_facs by removing second unused argument
  fw_cfg: fix the life cycle and the name of "qemu_extra_params_fw"
  acpi: Make TPM 2.0 with TIS available as MSFT0101
  hw/virtio: Use CONFIG_VIRTIO_PCI switch instead of CONFIG_PCI
  vhost-user-blk: add discard/write zeroes features support
  contrib/vhost-user-blk: fix the compilation issue
  pci/msi: export msi_is_masked()
  intel_iommu: reset intr_enabled when system reset
  intel_iommu: fix operator in vtd_switch_address_space
  hw: virtio-pci: drop DO_UPCAST
  include: update Linux headers to 4.21-rc1/5.0-rc1
  scripts/update-linux-headers.sh: adjust for Linux 4.21-rc1 (or 5.0-rc1)
  contrib/libvhost-user: switch to uint64_t
  virtio: add checks for the size of the indirect table

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'include/standard-headers/linux/virtio_balloon.h')
-rw-r--r--include/standard-headers/linux/virtio_balloon.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/standard-headers/linux/virtio_balloon.h b/include/standard-headers/linux/virtio_balloon.h
index 4dbb7dc6c0..9375ca2a70 100644
--- a/include/standard-headers/linux/virtio_balloon.h
+++ b/include/standard-headers/linux/virtio_balloon.h
@@ -34,15 +34,23 @@
 #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_FREE_PAGE_HINT	3 /* VQ to report free pages */
+#define VIRTIO_BALLOON_F_PAGE_POISON	4 /* Guest is using page poisoning */
 
 /* Size of a PFN in the balloon interface. */
 #define VIRTIO_BALLOON_PFN_SHIFT 12
 
+#define VIRTIO_BALLOON_CMD_ID_STOP	0
+#define VIRTIO_BALLOON_CMD_ID_DONE	1
 struct virtio_balloon_config {
 	/* Number of pages host wants Guest to give up. */
 	uint32_t num_pages;
 	/* Number of pages we've actually got in balloon. */
 	uint32_t actual;
+	/* Free page report command id, readonly by guest */
+	uint32_t free_page_report_cmd_id;
+	/* Stores PAGE_POISON if page poisoning is in use */
+	uint32_t poison_val;
 };
 
 #define VIRTIO_BALLOON_S_SWAP_IN  0   /* Amount of memory swapped in */