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diff --git a/OvmfPkg/XenBusDxe/GrantTable.h b/OvmfPkg/XenBusDxe/GrantTable.h
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-/** @file
- Grant Table function declaration.
-
- Grant Table are used to grant access to certain page of the current
- VM to an other VM.
-
- Copyright (C) 2014, Citrix 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 __GNTTAB_H__
-#define __GNTTAB_H__
-
-#include <IndustryStandard/Xen/grant_table.h>
-
-/**
- Initialize the Grant Table at the address MmioAddr.
-
- @param Dev A pointer to XENBUS_DEVICE.
- @param MmioAddr An address where the grant table can be mapped into
- the guest.
-**/
-VOID
-XenGrantTableInit (
- IN XENBUS_DEVICE *Dev
- );
-
-/**
- Desinitilize the Grant Table.
-**/
-VOID
-XenGrantTableDeinit (
- IN XENBUS_DEVICE *Dev
- );
-
-/**
- Grant access to the page Frame to the domain DomainId.
-
- @param This A pointer to XENBUS_PROTOCOL instance.
- @param DomainId ID of the domain to grant acces to.
- @param Frame Frame Number of the page to grant access to.
- @param ReadOnly Provide read-only or read-write access.
- @param RefPtr Reference number of the grant will be writen to this pointer.
-**/
-EFI_STATUS
-EFIAPI
-XenBusGrantAccess (
- IN XENBUS_PROTOCOL *This,
- IN domid_t DomainId,
- IN UINTN Frame, // MFN
- IN BOOLEAN ReadOnly,
- OUT grant_ref_t *RefPtr
- );
-
-/**
- End access to grant Ref, previously return by XenBusGrantAccess.
-
- @param This A pointer to XENBUS_PROTOCOL instance.
- @param Ref Reference numeber of a grant previously returned by
- XenBusGrantAccess.
-**/
-EFI_STATUS
-EFIAPI
-XenBusGrantEndAccess (
- IN XENBUS_PROTOCOL *This,
- IN grant_ref_t Ref
- );
-
-#endif /* !__GNTTAB_H__ */