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/** @file
EFI MEBx Protocol
@copyright
Copyright (c) 1999 - 2012 Intel Corporation. All rights reserved
This software and associated documentation (if any) is furnished
under a license and may only be used or copied in accordance
with the terms of the license. Except as permitted by such
license, no part of this software or documentation may be
reproduced, stored in a retrieval system, or transmitted in any
form or by any means without the express written consent of
Intel Corporation.
This file contains a 'Sample Driver' and is licensed as such
under the terms of your license agreement with Intel or your
vendor. This file may be modified by the user, subject to
the additional terms of the license agreement
**/
#ifndef _MEBX_PROTOCOL_H
#define _MEBX_PROTOCOL_H
#define MEBX_CALLBACK_INFO_SIGNATURE EFI_SIGNATURE_32 ('m', 'e', 'b', 'x')
#define MEBX_CALLBACK_INFO_FROM_THIS(a) CR (a, MEBX_CALLBACK_INFO, DriverCallback, MEBX_CALLBACK_INFO_SIGNATURE)
#ifndef INTEL_MEBX_PROTOCOL_GUID
#define INTEL_MEBX_PROTOCOL_GUID \
{ \
0x01ab1829, 0xcecd, 0x4cfa, 0xa1, 0x8c, 0xea, 0x75, 0xd6, 0x6f, 0x3e, 0x74 \
}
#endif
typedef
EFI_STATUS
(EFIAPI *EFI_MEBX_API_ENTRY_POINT) (
IN UINT32 BiosParams,
OUT UINT32 *MebxReturnValue
);
typedef struct _MEBX_VER {
UINT16 Major;
UINT16 Minor;
UINT16 Hotfix;
UINT16 Build;
} MEBX_VER;
typedef enum {
MEBX_GRAPHICS_AUTO = 0,
MEBX_GRAPHICS_640X480,
MEBX_GRAPHICS_800X600,
MEBX_GRAPHICS_1024X768
} MEBX_GRAPHICS_MODE;
typedef enum {
MEBX_TEXT_AUTO = 0,
MEBX_TEXT_80X25,
MEBX_TEXT_100X31
} MEBX_TEXT_MODE;
typedef struct _EFI_MEBX_PROTOCOL {
MEBX_VER MebxVersion;
EFI_MEBX_API_ENTRY_POINT CoreMebxEntry;
} EFI_MEBX_PROTOCOL;
typedef struct _MEBX_INSTANCE {
EFI_HANDLE Handle;
EFI_MEBX_PROTOCOL MebxProtocol;
} MEBX_INSTANCE;
extern EFI_GUID gEfiMebxProtocolGuid;
#endif
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