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fsw_efi.h
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fsw_efi.h
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/* $Id: fsw_efi.h $ */
/** @file
* fsw_efi.h - EFI host environment header.
*/
/*
* Copyright (C) 2010 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*/
/*-
* This code is based on:
*
* Copyright (c) 2006 Christoph Pfisterer
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the
* distribution.
*
* * Neither the name of Christoph Pfisterer nor the names of the
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _FSW_EFI_H_
#define _FSW_EFI_H_
#include "fsw_core.h"
/**
* EFI Host: Private per-volume structure.
*/
typedef struct {
UINT64 Signature; //!< Used to identify this structure
EFI_SIMPLE_FILE_SYSTEM_PROTOCOL FileSystem; //!< Published EFI protocol interface structure
EFI_HANDLE Handle; //!< The device handle the protocol is attached to
EFI_DISK_IO_PROTOCOL *DiskIo; //!< The Disk I/O protocol we use for disk access
UINT32 MediaId; //!< The media ID from the Block I/O protocol
EFI_STATUS LastIOStatus; //!< Last status from Disk I/O
struct fsw_volume *vol; //!< FSW volume structure
} FSW_VOLUME_DATA;
/** Signature for the volume structure. */
#define FSW_VOLUME_DATA_SIGNATURE SIGNATURE_32 ('f', 's', 'w', 'V')
/** Access macro for the volume structure. */
#define FSW_VOLUME_FROM_VOL_INTERFACE(a) CR (a, FSW_VOLUME_DATA, FileSystem, FSW_VOLUME_DATA_SIGNATURE)
/**
* EFI Host: Private structure for a EFI_FILE interface.
*/
typedef struct {
UINT64 Signature; //!< Used to identify this structure
EFI_FILE FileHandle; //!< Published EFI protocol interface structure
UINTN Type; //!< File type used for dispatching
struct fsw_shandle shand; //!< FSW handle for this file
} FSW_FILE_DATA;
/** File type: regular file. */
#define FSW_EFI_FILE_KIND_FILE (0)
/** File type: directory. */
#define FSW_EFI_FILE_KIND_DIR (1)
/** Signature for the file handle structure. */
#define FSW_FILE_DATA_SIGNATURE SIGNATURE_32 ('f', 's', 'w', 'F')
/** Access macro for the file handle structure. */
#define FSW_FILE_FROM_FILE_HANDLE(a) CR (a, FSW_FILE_DATA, FileHandle, FSW_FILE_DATA_SIGNATURE)
//
// Library functions
//
VOID fsw_efi_decode_time(OUT EFI_TIME *EfiTime, IN UINT32 UnixTime);
UINTN fsw_efi_strsize(struct fsw_string *s);
VOID fsw_efi_strcpy(CHAR16 *Dest, struct fsw_string *src);
#endif