1 files changed, 12 insertions, 0 deletions
diff --git a/OvmfPkg/Include/IndustryStandard/Virtio10.h b/OvmfPkg/Include/IndustryStandard/Virtio10.h
index 2c60be2b7c..a1712247e0 100644
--- a/OvmfPkg/Include/IndustryStandard/Virtio10.h
+++ b/OvmfPkg/Include/IndustryStandard/Virtio10.h
@@ -81,4 +81,16 @@ typedef struct {
 #define VIRTIO_F_VERSION_1      BIT32
 #define VIRTIO_F_IOMMU_PLATFORM BIT33
 
+//
+// MMIO VirtIo Header Offsets
+//
+#define VIRTIO_MMIO_OFFSET_QUEUE_READY                0x44
+#define VIRTIO_MMIO_OFFSET_QUEUE_DESC_LO              0x80
+#define VIRTIO_MMIO_OFFSET_QUEUE_DESC_HI              0x84
+#define VIRTIO_MMIO_OFFSET_QUEUE_AVAIL_LO             0x90
+#define VIRTIO_MMIO_OFFSET_QUEUE_AVAIL_HI             0x94
+#define VIRTIO_MMIO_OFFSET_QUEUE_USED_LO              0xa0
+#define VIRTIO_MMIO_OFFSET_QUEUE_USED_HI              0xa4
+#define VIRTIO_MMIO_OFFSET_CONFIG_GENERATION          0xfc
+
 #endif // _VIRTIO_1_0_H_