[edk2-devel] [PATCH v2 1/4] OvmfPkg/Virtio10: Add virtio-mmio 1.0 defines

[Gerd Hoffmann]

Add defines for the config space offsets for virtio 1.0 mmio transport.

Signed-off-by: Gerd Hoffmann <kraxel at redhat.com>
Reviewed-by: Philippe Mathieu-Daude <philmd at redhat.com>
---
 OvmfPkg/Include/IndustryStandard/Virtio10.h | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/OvmfPkg/Include/IndustryStandard/Virtio10.h b/OvmfPkg/Include/IndustryStandard/Virtio10.h
index 2c60be2b7c0c..a1712247e054 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_
-- 
2.31.1



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