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/** @file
Declarations and macros for the console abstraction.
Copyright (c) 2010 - 2011, Intel Corporation. All rights reserved.<BR>
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.
Depends on <kfile.h>, <Device/Device.h>, <Protocol/SimpleTextIn.h>, <Uefi/UefiBaseType.h>
**/
#ifndef _DEVICE_UEFI_CONSOLE_H
#define _DEVICE_UEFI_CONSOLE_H
#include <kfile.h>
#include <Device/Device.h>
typedef struct {
UINT32 Column;
UINT32 Row;
} CursorXY;
typedef union {
UINT64 Offset;
CursorXY XYpos;
} XYoffset;
/* The members Cookie through Abstraction, inclusive, are the same type and order
for all instance structures.
All instance structures must be a multiple of sizeof(UINTN) bytes long
*/
typedef struct {
UINT32 Cookie; ///< Special value identifying this as a valid ConInstance
UINT32 InstanceNum; ///< Which instance is this? Zero-based.
EFI_HANDLE Dev; ///< Pointer to either Input or Output Protocol.
DeviceNode *Parent; ///< Points to the parent Device Node.
struct fileops Abstraction; ///< Pointers to functions implementing this device's abstraction.
UINTN Reserved_1; // Ensure that next member starts on an 8-byte boundary
UINT64 NumRead; ///< Number of characters Read.
UINT64 NumWritten; ///< Number of characters Written.
EFI_INPUT_KEY UnGetKey; ///< One-key pushback, for poll().
UINT32 Reserved_2; // Force the struct to be a multiple of 8-bytes long
} ConInstance;
__BEGIN_DECLS
int
EFIAPI
da_ConOpen(
IN DeviceNode *DevNode,
IN struct __filedes *filp,
IN int DevInstance,
IN CHAR16 *Path,
IN CHAR16 *MPath
);
__END_DECLS
#endif /* _DEVICE_UEFI_CONSOLE_H */
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