[PATCH v3 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@...>
Reviewed-by: Philippe Mathieu-Daude <philmd@...>
---
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