diff --git a/src/virtio/virtio-gpu/virgl_hw.h b/src/virtio/virtio-gpu/virgl_hw.h
index 8310e25f96c..94997a3b005 100644
--- a/src/virtio/virtio-gpu/virgl_hw.h
+++ b/src/virtio/virtio-gpu/virgl_hw.h
@@ -409,6 +409,7 @@ enum virgl_formats {
 /* These are used by the capability_bits_v2 field in virgl_caps_v2. */
 #define VIRGL_CAP_V2_BLEND_EQUATION       (1 << 0)
 #define VIRGL_CAP_V2_UNTYPED_RESOURCE     (1 << 1)
+#define VIRGL_CAP_V2_VIDEO_MEMORY         (1 << 2)
 
 /* virgl bind flags - these are compatible with mesa 10.5 gallium.
  * but are fixed, no other should be passed to virgl either.
@@ -560,6 +561,7 @@ struct virgl_caps_v2 {
         uint32_t host_feature_check_version;
         struct virgl_supported_format_mask supported_readback_formats;
         struct virgl_supported_format_mask scanout;
+        uint32_t max_video_memory;
         uint32_t capability_bits_v2;
 };