1 files changed, 79 insertions, 0 deletions
diff --git a/roms/edk2/OvmfPkg/Include/IndustryStandard/Virtio10.h b/roms/edk2/OvmfPkg/Include/IndustryStandard/Virtio10.h
new file mode 100644
index 000000000..3c1592d1f
--- /dev/null
+++ b/roms/edk2/OvmfPkg/Include/IndustryStandard/Virtio10.h
@@ -0,0 +1,79 @@
+/** @file
+  Definitions from the VirtIo 1.0 specification (csprd05).
+
+  Copyright (C) 2016, Red Hat, Inc.
+  Copyright (C) 2017, AMD, Inc.
+
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+
+#ifndef _VIRTIO_1_0_H_
+#define _VIRTIO_1_0_H_
+
+#include <IndustryStandard/Pci23.h>
+#include <IndustryStandard/Virtio095.h>
+
+//
+// Subsystem Device IDs (to be) introduced in VirtIo 1.0
+//
+#define VIRTIO_SUBSYSTEM_GPU_DEVICE         16
+
+//
+// Structures for parsing the VirtIo 1.0 specific PCI capabilities from the
+// config space
+//
+#pragma pack (1)
+typedef struct {
+  EFI_PCI_CAPABILITY_VENDOR_HDR VendorHdr;
+  UINT8  ConfigType; // Identifies the specific VirtIo 1.0 config structure
+  UINT8  Bar;        // The BAR that contains the structure
+  UINT8  Padding[3];
+  UINT32 Offset;     // Offset within Bar until the start of the structure
+  UINT32 Length;     // Length of the structure
+} VIRTIO_PCI_CAP;
+#pragma pack ()
+
+//
+// Values for the VIRTIO_PCI_CAP.ConfigType field
+//
+#define VIRTIO_PCI_CAP_COMMON_CFG 1 // Common configuration
+#define VIRTIO_PCI_CAP_NOTIFY_CFG 2 // Notifications
+#define VIRTIO_PCI_CAP_DEVICE_CFG 4 // Device specific configuration
+
+//
+// Structure pointed-to by Bar and Offset in VIRTIO_PCI_CAP when ConfigType is
+// VIRTIO_PCI_CAP_COMMON_CFG
+//
+#pragma pack (1)
+typedef struct {
+  UINT32 DeviceFeatureSelect;
+  UINT32 DeviceFeature;
+  UINT32 DriverFeatureSelect;
+  UINT32 DriverFeature;
+  UINT16 MsixConfig;
+  UINT16 NumQueues;
+  UINT8  DeviceStatus;
+  UINT8  ConfigGeneration;
+  UINT16 QueueSelect;
+  UINT16 QueueSize;
+  UINT16 QueueMsixVector;
+  UINT16 QueueEnable;
+  UINT16 QueueNotifyOff;
+  UINT64 QueueDesc;
+  UINT64 QueueAvail;
+  UINT64 QueueUsed;
+} VIRTIO_PCI_COMMON_CFG;
+#pragma pack ()
+
+//
+// VirtIo 1.0 device status bits
+//
+#define VSTAT_FEATURES_OK BIT3
+
+//
+// VirtIo 1.0 reserved (device-independent) feature bits
+//
+#define VIRTIO_F_VERSION_1      BIT32
+#define VIRTIO_F_IOMMU_PLATFORM BIT33
+
+#endif // _VIRTIO_1_0_H_