1 files changed, 53 insertions, 0 deletions
diff --git a/roms/edk2/OvmfPkg/Include/Library/XenPlatformLib.h b/roms/edk2/OvmfPkg/Include/Library/XenPlatformLib.h
new file mode 100644
index 000000000..8b8c0d057
--- /dev/null
+++ b/roms/edk2/OvmfPkg/Include/Library/XenPlatformLib.h
@@ -0,0 +1,53 @@
+/** @file
+  Get information about Xen
+
+  This library simply allow to find out if OVMF is running under Xen and
+  allow to get more information when it is the case.
+
+  Copyright (c) 2019, Citrix Systems, Inc.
+
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef _XEN_PLATFORM_LIB_H_
+#define _XEN_PLATFORM_LIB_H_
+
+#include <Guid/XenInfo.h>
+
+/**
+  This function detects if OVMF is running on Xen.
+
+  @retval TRUE    OVMF is running on Xen
+  @retval FALSE   Xen has not been detected
+**/
+BOOLEAN
+EFIAPI
+XenDetected (
+  VOID
+  );
+
+/**
+  This function detect if OVMF have started via the PVH entry point.
+
+  @retval TRUE  PVH entry point as been used
+  @retval FALSE OVMF have started via the HVM route
+**/
+BOOLEAN
+EFIAPI
+XenPvhDetected (
+  VOID
+  );
+
+/**
+  This function return a pointer to the XenInfo HOB.
+
+  @return  XenInfo pointer or NULL if not available
+**/
+EFI_XEN_INFO *
+EFIAPI
+XenGetInfoHOB (
+  VOID
+  );
+
+#endif