117 lines
3.8 KiB
C
117 lines
3.8 KiB
C
/** @file
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EFI MEBx Protocol
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@copyright
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INTEL CONFIDENTIAL
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Copyright 1999 - 2018 Intel Corporation.
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The source code contained or described herein and all documents related to the
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source code ("Material") are owned by Intel Corporation or its suppliers or
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licensors. Title to the Material remains with Intel Corporation or its suppliers
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and licensors. The Material may contain trade secrets and proprietary and
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confidential information of Intel Corporation and its suppliers and licensors,
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and is protected by worldwide copyright and trade secret laws and treaty
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provisions. No part of the Material may be used, copied, reproduced, modified,
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published, uploaded, posted, transmitted, distributed, or disclosed in any way
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without Intel's prior express written permission.
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No license under any patent, copyright, trade secret or other intellectual
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property right is granted to or conferred upon you by disclosure or delivery
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of the Materials, either expressly, by implication, inducement, estoppel or
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otherwise. Any license under such intellectual property rights must be
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express and approved by Intel in writing.
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Unless otherwise agreed by Intel in writing, you may not remove or alter
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this notice or any other notice embedded in Materials by Intel or
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Intel's suppliers or licensors in any way.
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This file contains an 'Intel Peripheral Driver' and is uniquely identified as
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"Intel Reference Module" and is licensed for Intel CPUs and chipsets under
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the terms of your license agreement with Intel or your vendor. This file may
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be modified by the user, subject to additional terms of the license agreement.
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@par Specification Reference:
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**/
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#ifndef _MEBX_PROTOCOL_H
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#define _MEBX_PROTOCOL_H
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typedef struct {
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UINT16 MebxNonUiTextMode : 4;
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UINT16 MebxUiTextMode : 4;
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UINT16 MebxGraphicsMode : 4;
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UINT16 Rsvd : 4;
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} MEBX_OEM_RESOLUTION_SETTINGS;
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typedef struct {
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UINT16 BpfVersion; ///< Bios Parameter Frame Version
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UINT8 CpuReplacementTimeout; ///< Cpu Replacement Timeout
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UINT8 ActiveRemoteAssistanceProcess; ///< Activate CIRA
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UINT8 CiraTimeout; ///< CIRA Timeout
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UINT16 OemFlags; ///< OEM specified AMT support options
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UINT32 UsbProvisionData; ///< 32 bit flat pointer to USB Config Strcuture
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MEBX_OEM_RESOLUTION_SETTINGS OemResolutionSettings; ///< OEM resolution settings
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UINT8 MebxDefaultSol; ///< Informs if this is first BIOS Boot
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} MEBX_BPF;
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//
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// Header is a legacy leftover from older MEBx versions.
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// Currently MEBx ignores this header.
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//
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typedef struct {
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UINT32 Reserved[4];
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} USB_PROVISION_HEADER;
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typedef struct {
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UINT32 BiosCmd : 8;
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UINT32 BiosCmdData : 8;
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UINT32 MebxStatusCode : 16;
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} MEBX_EXIT_CODE;
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/**
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Function for invoking MEBX binary
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@param[in] BiosParams MebxBiosParams flat data
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@param[out] MebxReturnValue MebxExitCode returned by Mebx
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@retval EFI_SUCCESS Command succeeded
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**/
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typedef
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EFI_STATUS
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(EFIAPI *MEBX_API_ENTRY_POINT) (
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IN MEBX_BPF *BiosParams,
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OUT MEBX_EXIT_CODE *MebxReturnValue
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);
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typedef struct {
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UINT16 Major;
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UINT16 Minor;
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UINT16 Hotfix;
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UINT16 Build;
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} MEBX_VER;
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typedef enum {
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MEBX_GRAPHICS_AUTO = 0,
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MEBX_GRAPHICS_640X480,
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MEBX_GRAPHICS_800X600,
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MEBX_GRAPHICS_1024X768
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} MEBX_GRAPHICS_MODE;
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typedef enum {
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MEBX_TEXT_AUTO = 0,
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MEBX_TEXT_80X25,
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MEBX_TEXT_100X31
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} MEBX_TEXT_MODE;
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/**
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MEBX protocol
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The interface for invoking MEBX binary
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**/
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typedef struct {
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MEBX_VER MebxVersion;
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MEBX_API_ENTRY_POINT CoreMebxEntry;
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} MEBX_PROTOCOL;
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extern EFI_GUID gMebxProtocolGuid;
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#endif
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