OvmfPkg: Introduce XenBus Protocol.

[mirror_edk2.git] / OvmfPkg / XenBusDxe / XenBusDxe.h

/** @file\r
  Function declaration and internal data for XenBusDxe.\r
\r
  Copyright (C) 2014, Citrix Ltd.\r
\r
  This program and the accompanying materials\r
  are licensed and made available under the terms and conditions of the BSD License\r
  which accompanies this distribution.  The full text of the license may be found at\r
  http://opensource.org/licenses/bsd-license.php\r
\r
  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
\r
**/\r
\r
#ifndef __EFI_XENBUS_DXE_H__\r
#define __EFI_XENBUS_DXE_H__\r
\r
#include <Uefi.h>\r
\r
//\r
// Xen interface version used\r
//\r
#define  __XEN_INTERFACE_VERSION__ 0x00040400\r
\r
//\r
// Libraries\r
//\r
#include <Library/UefiBootServicesTableLib.h>\r
#include <Library/MemoryAllocationLib.h>\r
#include <Library/BaseMemoryLib.h>\r
#include <Library/BaseLib.h>\r
#include <Library/UefiLib.h>\r
#include <Library/DevicePathLib.h>\r
#include <Library/DebugLib.h>\r
\r
\r
//\r
// UEFI Driver Model Protocols\r
//\r
#include <Protocol/DriverBinding.h>\r
\r
\r
//\r
// Consumed Protocols\r
//\r
#include <Protocol/PciIo.h>\r
\r
\r
//\r
// Produced Protocols\r
//\r
#include <Protocol/XenBus.h>\r
\r
\r
//\r
// Driver Version\r
//\r
#define XENBUS_DXE_VERSION  0x00000010\r
\r
\r
//\r
// Protocol instances\r
//\r
extern EFI_DRIVER_BINDING_PROTOCOL  gXenBusDxeDriverBinding;\r
extern EFI_COMPONENT_NAME2_PROTOCOL  gXenBusDxeComponentName2;\r
extern EFI_COMPONENT_NAME_PROTOCOL  gXenBusDxeComponentName;\r
\r
\r
//\r
// Include files with function prototypes\r
//\r
#include "DriverBinding.h"\r
#include "ComponentName.h"\r
\r
//\r
// Other stuff\r
//\r
#include <IndustryStandard/Xen/xen.h>\r
\r
#define PCI_VENDOR_ID_XEN                0x5853\r
#define PCI_DEVICE_ID_XEN_PLATFORM       0x0001\r
\r
\r
typedef struct _XENBUS_DEVICE XENBUS_DEVICE;\r
\r
// Have the state of the driver.\r
#define XENBUS_DEVICE_SIGNATURE SIGNATURE_32 ('X','B','s','t')\r
struct _XENBUS_DEVICE {\r
  UINT32                        Signature;\r
  EFI_DRIVER_BINDING_PROTOCOL   *This;\r
  EFI_HANDLE                    ControllerHandle;\r
  EFI_PCI_IO_PROTOCOL           *PciIo;\r
  EFI_EVENT                     ExitBootEvent;\r
\r
  VOID                          *Hyperpage;\r
  shared_info_t                 *SharedInfo;\r
};\r
\r
#endif\r