1 files changed, 65 insertions, 0 deletions
diff --git a/OvmfPkg/Include/Library/VirtioMmioDeviceLib.h b/OvmfPkg/Include/Library/VirtioMmioDeviceLib.h
new file mode 100644
index 000000000..73e5a9e8d
--- /dev/null
+++ b/OvmfPkg/Include/Library/VirtioMmioDeviceLib.h
@@ -0,0 +1,65 @@
+/** @file
+
+  Definitions for the VirtIo MMIO Device Library
+
+  Copyright (C) 2013, ARM Ltd
+
+  This program and the accompanying materials are licensed and made available
+  under the terms and conditions of the BSD License which accompanies this
+  distribution. The full text of the license may be found at
+  http://opensource.org/licenses/bsd-license.php
+
+  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, WITHOUT
+  WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#ifndef _VIRTIO_MMIO_DEVICE_LIB_H_
+#define _VIRTIO_MMIO_DEVICE_LIB_H_
+
+/**
+
+  Initialize VirtIo Device and Install VIRTIO_DEVICE_PROTOCOL protocol
+
+  @param[in] BaseAddress  Base Address of the VirtIo MMIO Device
+
+  @param[in] Handle       Handle of the device the driver should be attached to.
+
+  @retval EFI_SUCCESS           The VirtIo Device has been installed
+                                successfully.
+
+  @retval EFI_OUT_OF_RESOURCES  The function failed too allocate memory require
+                                by the Virtio MMIO device initialization.
+
+  @retval EFI_UNSUPPORTED       BaseAddress does not point to a VirtIo MMIO
+                                device.
+
+  @return                       Status code returned by InstallProtocolInterface
+                                Boot Service function.
+
+**/
+EFI_STATUS
+VirtioMmioInstallDevice (
+  IN PHYSICAL_ADDRESS       BaseAddress,
+  IN EFI_HANDLE             Handle
+  );
+
+/**
+
+  Uninstall the VirtIo Device
+
+  @param[in] Handle       Handle of the device where the VirtIo Device protocol
+                          should have been installed.
+
+  @retval EFI_SUCCESS     The device has been un-initialized successfully.
+
+  @return                 Status code returned by UninstallProtocolInterface
+                          Boot Service function.
+
+**/
+EFI_STATUS
+VirtioMmioUninstallDevice (
+  IN EFI_HANDLE             Handle
+  );
+
+#endif // _VIRTIO_MMIO_DEVICE_LIB_H_