UefiCpuPkg: Move AsmRelocateApLoopStart from Mpfuncs.nasm to AmdSev.nasm

[mirror_edk2.git] / OvmfPkg / Include / Library / XenIoMmioLib.h

/** @file\r
*  Manage XenBus device path and I/O handles\r
*\r
*  Copyright (c) 2015, Linaro Ltd. All rights reserved.<BR>\r
*\r
*  SPDX-License-Identifier: BSD-2-Clause-Patent\r
*\r
**/\r
\r
#ifndef _XENIO_MMIO_DEVICE_LIB_H_\r
#define _XENIO_MMIO_DEVICE_LIB_H_\r
\r
/**\r
\r
  Install the XENBUS_ROOT_DEVICE_PATH and XENIO_PROTOCOL protocols on\r
  the handle pointed to by @Handle, or on a new handle if it points to\r
  NULL\r
\r
  @param  Handle                Pointer to the handle to install the protocols\r
                                on, may point to a NULL handle.\r
\r
  @param  GrantTableAddress     The address of the Xen grant table\r
\r
  @retval EFI_SUCCESS           Protocols were installed successfully\r
\r
  @retval EFI_OUT_OF_RESOURCES  The function failed to allocate memory required\r
                                by the XenIo MMIO and device path protocols\r
\r
  @return                       Status code returned by the boot service\r
                                InstallMultipleProtocolInterfaces ()\r
\r
**/\r
EFI_STATUS\r
XenIoMmioInstall (\r
  IN OUT   EFI_HANDLE            *Handle,\r
  IN       EFI_PHYSICAL_ADDRESS  GrantTableAddress\r
  );\r
\r
/**\r
\r
  Uninstall the XENBUS_ROOT_DEVICE_PATH and XENIO_PROTOCOL protocols\r
\r
  @param  Handle          Handle onto which the protocols have been installed\r
                          earlier by XenIoMmioInstall ()\r
\r
  @retval EFI_SUCCESS     Protocols were uninstalled successfully\r
\r
  @return                 Status code returned by the boot service\r
                          UninstallMultipleProtocolInterfaces ()\r
\r
**/\r
EFI_STATUS\r
XenIoMmioUninstall (\r
  IN       EFI_HANDLE  Handle\r
  );\r
\r
#endif\r