зеркало из https://github.com/microsoft/lsvmtools.git
102 строки
2.5 KiB
C
102 строки
2.5 KiB
C
/*
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**==============================================================================
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**
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** LSVMTools
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**
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** MIT License
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**
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** Copyright (c) Microsoft Corporation. All rights reserved.
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**
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** Permission is hereby granted, free of charge, to any person obtaining a copy
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** of this software and associated documentation files (the "Software"), to deal
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** in the Software without restriction, including without limitation the rights
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** to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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** copies of the Software, and to permit persons to whom the Software is
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** furnished to do so, subject to the following conditions:
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**
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** The above copyright notice and this permission notice shall be included in
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** all copies or substantial portions of the Software.
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**
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** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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** IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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** FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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** AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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** LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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** OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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** SOFTWARE
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**
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**==============================================================================
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*/
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#ifndef _efibio_h
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#define _efibio_h
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#include "config.h"
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#include <lsvmutils/eficommon.h>
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#define BIO_MAGIC 0x99c3a120
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typedef struct _EFI_BIO
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{
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UINT32 magic;
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EFI_HANDLE imageHandle;
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EFI_HANDLE handle;
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EFI_BLOCK_IO* blockIO;
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}
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EFI_BIO;
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typedef BOOLEAN (*MatchBIO)(
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EFI_BIO* bio,
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void* data);
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EFI_BIO* OpenBIO(
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EFI_HANDLE imageHandle,
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MatchBIO match,
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void* matchData);
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BOOLEAN ValidBIO(
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const EFI_BIO* bio);
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EFI_STATUS CloseBIO(
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EFI_BIO* bio);
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static __inline UINTN BlockSizeBIO(
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EFI_BIO* bio)
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{
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if (ValidBIO(bio))
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return (UINTN)bio->blockIO->Media->BlockSize;
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return 0;
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}
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static __inline UINTN LastBlockBIO(
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const EFI_BIO* bio)
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{
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if (ValidBIO(bio))
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return (UINTN)bio->blockIO->Media->LastBlock;
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return 0;
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}
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EFI_STATUS ReadBIO(
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EFI_BIO* bio,
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UINTN blkno,
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void* data,
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UINTN size);
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EFI_STATUS WriteBIO(
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EFI_BIO* bio,
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UINTN blkno,
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const void* data,
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UINTN size);
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EFI_STATUS LocateBlockIOHandles(
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EFI_HANDLE** handles,
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UINTN* numHandles);
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EFI_STATUS OpenBlockIOProtocol(
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EFI_HANDLE imageHandle,
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EFI_HANDLE handle,
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EFI_BLOCK_IO** blockIO);
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#endif /* _efibio_h */
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