mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-12-01 12:53:27 +01:00
123 lines
2.8 KiB
C
123 lines
2.8 KiB
C
|
/** @file
|
||
|
Function declaration and internal data for XenBusDxe.
|
||
|
|
||
|
Copyright (C) 2014, Citrix Ltd.
|
||
|
|
||
|
SPDX-License-Identifier: BSD-2-Clause-Patent
|
||
|
|
||
|
**/
|
||
|
|
||
|
#ifndef __EFI_XENBUS_DXE_H__
|
||
|
#define __EFI_XENBUS_DXE_H__
|
||
|
|
||
|
#include <Uefi.h>
|
||
|
|
||
|
//
|
||
|
// Libraries
|
||
|
//
|
||
|
#include <Library/UefiBootServicesTableLib.h>
|
||
|
#include <Library/MemoryAllocationLib.h>
|
||
|
#include <Library/BaseMemoryLib.h>
|
||
|
#include <Library/BaseLib.h>
|
||
|
#include <Library/UefiLib.h>
|
||
|
#include <Library/DevicePathLib.h>
|
||
|
#include <Library/DebugLib.h>
|
||
|
#include <Library/PcdLib.h>
|
||
|
|
||
|
//
|
||
|
// UEFI Driver Model Protocols
|
||
|
//
|
||
|
#include <Protocol/DriverBinding.h>
|
||
|
|
||
|
//
|
||
|
// Consumed Protocols
|
||
|
//
|
||
|
#include <Protocol/XenIo.h>
|
||
|
|
||
|
//
|
||
|
// Produced Protocols
|
||
|
//
|
||
|
#include <Protocol/XenBus.h>
|
||
|
|
||
|
//
|
||
|
// Driver Version
|
||
|
//
|
||
|
#define XENBUS_DXE_VERSION 0x00000010
|
||
|
|
||
|
//
|
||
|
// Protocol instances
|
||
|
//
|
||
|
extern EFI_DRIVER_BINDING_PROTOCOL gXenBusDxeDriverBinding;
|
||
|
extern EFI_COMPONENT_NAME2_PROTOCOL gXenBusDxeComponentName2;
|
||
|
extern EFI_COMPONENT_NAME_PROTOCOL gXenBusDxeComponentName;
|
||
|
|
||
|
//
|
||
|
// Include files with function prototypes
|
||
|
//
|
||
|
#include "DriverBinding.h"
|
||
|
#include "ComponentName.h"
|
||
|
|
||
|
//
|
||
|
// Other stuff
|
||
|
//
|
||
|
#include <IndustryStandard/Xen/xen.h>
|
||
|
|
||
|
typedef struct _XENBUS_DEVICE_PATH XENBUS_DEVICE_PATH;
|
||
|
typedef struct _XENBUS_DEVICE XENBUS_DEVICE;
|
||
|
|
||
|
// Have the state of the driver.
|
||
|
#define XENBUS_DEVICE_SIGNATURE SIGNATURE_32 ('X','B','s','t')
|
||
|
struct _XENBUS_DEVICE {
|
||
|
UINT32 Signature;
|
||
|
EFI_DRIVER_BINDING_PROTOCOL *This;
|
||
|
EFI_HANDLE ControllerHandle;
|
||
|
XENIO_PROTOCOL *XenIo;
|
||
|
EFI_EVENT ExitBootEvent;
|
||
|
EFI_DEVICE_PATH_PROTOCOL *DevicePath;
|
||
|
LIST_ENTRY ChildList;
|
||
|
|
||
|
shared_info_t *SharedInfo;
|
||
|
};
|
||
|
|
||
|
// There is one of this struct allocated for every child.
|
||
|
#define XENBUS_PRIVATE_DATA_SIGNATURE SIGNATURE_32 ('X', 'B', 'p', 'd')
|
||
|
typedef struct {
|
||
|
UINTN Signature;
|
||
|
LIST_ENTRY Link;
|
||
|
EFI_HANDLE Handle;
|
||
|
XENBUS_PROTOCOL XenBusIo;
|
||
|
XENBUS_DEVICE *Dev;
|
||
|
XENBUS_DEVICE_PATH *DevicePath;
|
||
|
} XENBUS_PRIVATE_DATA;
|
||
|
|
||
|
#define XENBUS_PRIVATE_DATA_FROM_THIS(a) \
|
||
|
CR (a, XENBUS_PRIVATE_DATA, XenBusIo, XENBUS_PRIVATE_DATA_SIGNATURE)
|
||
|
#define XENBUS_PRIVATE_DATA_FROM_LINK(a) \
|
||
|
CR (a, XENBUS_PRIVATE_DATA, Link, XENBUS_PRIVATE_DATA_SIGNATURE)
|
||
|
|
||
|
/*
|
||
|
* Helpers
|
||
|
*/
|
||
|
|
||
|
/**
|
||
|
Atomically test and clear a bit.
|
||
|
|
||
|
@param Bit Bit index to test in *Address
|
||
|
@param Address The Address to the buffer that contain the bit to test.
|
||
|
|
||
|
@return Value of the Bit before it was cleared.
|
||
|
**/
|
||
|
INT32
|
||
|
EFIAPI
|
||
|
TestAndClearBit (
|
||
|
IN INT32 Bit,
|
||
|
IN VOID *Address
|
||
|
);
|
||
|
|
||
|
CHAR8 *
|
||
|
AsciiStrDup (
|
||
|
IN CONST CHAR8 *Str
|
||
|
);
|
||
|
|
||
|
#endif
|