| 1 | /* $Id: fsw_efi.h 62500 2016-07-22 19:06:59Z vboxsync $ */
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| 2 | /** @file
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| 3 | * fsw_efi.h - EFI host environment header.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2010-2016 Oracle Corporation
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| 8 | *
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| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | * available from http://www.virtualbox.org. This file is free software;
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| 11 | * you can redistribute it and/or modify it under the terms of the GNU
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| 12 | * General Public License (GPL) as published by the Free Software
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| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | *
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| 17 | * The contents of this file may alternatively be used under the terms
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| 18 | * of the Common Development and Distribution License Version 1.0
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| 19 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
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| 20 | * VirtualBox OSE distribution, in which case the provisions of the
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| 21 | * CDDL are applicable instead of those of the GPL.
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| 22 | *
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| 23 | * You may elect to license modified versions of this file under the
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| 24 | * terms and conditions of either the GPL or the CDDL or both.
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| 25 | */
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| 26 |
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| 27 | /*-
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| 28 | * This code is based on:
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| 29 | *
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| 30 | * Copyright (c) 2006 Christoph Pfisterer
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| 31 | *
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| 32 | * Redistribution and use in source and binary forms, with or without
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| 33 | * modification, are permitted provided that the following conditions are
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| 34 | * met:
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| 35 | *
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| 36 | * * Redistributions of source code must retain the above copyright
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| 37 | * notice, this list of conditions and the following disclaimer.
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| 38 | *
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| 39 | * * Redistributions in binary form must reproduce the above copyright
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| 40 | * notice, this list of conditions and the following disclaimer in the
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| 41 | * documentation and/or other materials provided with the
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| 42 | * distribution.
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| 43 | *
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| 44 | * * Neither the name of Christoph Pfisterer nor the names of the
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| 45 | * contributors may be used to endorse or promote products derived
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| 46 | * from this software without specific prior written permission.
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| 47 | *
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| 48 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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| 49 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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| 50 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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| 51 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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| 52 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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| 53 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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| 54 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 55 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 56 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 57 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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| 58 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 59 | */
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| 60 |
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| 61 | #ifndef _FSW_EFI_H_
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| 62 | #define _FSW_EFI_H_
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| 63 |
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| 64 | #include "fsw_core.h"
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| 65 |
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| 66 |
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| 67 | /**
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| 68 | * EFI Host: Private per-volume structure.
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| 69 | */
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| 70 |
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| 71 | typedef struct {
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| 72 | UINT64 Signature; //!< Used to identify this structure
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| 73 |
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| 74 | EFI_FILE_IO_INTERFACE FileSystem; //!< Published EFI protocol interface structure
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| 75 |
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| 76 | EFI_HANDLE Handle; //!< The device handle the protocol is attached to
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| 77 | EFI_DISK_IO *DiskIo; //!< The Disk I/O protocol we use for disk access
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| 78 | UINT32 MediaId; //!< The media ID from the Block I/O protocol
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| 79 | EFI_STATUS LastIOStatus; //!< Last status from Disk I/O
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| 80 |
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| 81 | struct fsw_volume *vol; //!< FSW volume structure
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| 82 |
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| 83 | } FSW_VOLUME_DATA;
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| 84 |
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| 85 | /** Signature for the volume structure. */
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| 86 | #define FSW_VOLUME_DATA_SIGNATURE EFI_SIGNATURE_32 ('f', 's', 'w', 'V')
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| 87 | /** Access macro for the volume structure. */
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| 88 | #define FSW_VOLUME_FROM_FILE_SYSTEM(a) CR (a, FSW_VOLUME_DATA, FileSystem, FSW_VOLUME_DATA_SIGNATURE)
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| 89 |
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| 90 | /**
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| 91 | * EFI Host: Private structure for a EFI_FILE interface.
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| 92 | */
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| 93 |
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| 94 | typedef struct {
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| 95 | UINT64 Signature; //!< Used to identify this structure
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| 96 |
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| 97 | EFI_FILE FileHandle; //!< Published EFI protocol interface structure
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| 98 |
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| 99 | UINTN Type; //!< File type used for dispatching
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| 100 | struct fsw_shandle shand; //!< FSW handle for this file
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| 101 |
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| 102 | } FSW_FILE_DATA;
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| 103 |
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| 104 | /** File type: regular file. */
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| 105 | #define FSW_EFI_FILE_TYPE_FILE (0)
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| 106 | /** File type: directory. */
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| 107 | #define FSW_EFI_FILE_TYPE_DIR (1)
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| 108 |
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| 109 | /** Signature for the file handle structure. */
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| 110 | #define FSW_FILE_DATA_SIGNATURE EFI_SIGNATURE_32 ('f', 's', 'w', 'F')
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| 111 | /** Access macro for the file handle structure. */
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| 112 | #define FSW_FILE_FROM_FILE_HANDLE(a) CR (a, FSW_FILE_DATA, FileHandle, FSW_FILE_DATA_SIGNATURE)
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| 113 |
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| 114 |
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| 115 | //
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| 116 | // Library functions
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| 117 | //
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| 118 |
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| 119 | VOID fsw_efi_decode_time(OUT EFI_TIME *EfiTime, IN UINT32 UnixTime);
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| 120 |
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| 121 | UINTN fsw_efi_strsize(struct fsw_string *s);
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| 122 | VOID fsw_efi_strcpy(CHAR16 *Dest, struct fsw_string *src);
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| 123 |
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| 124 |
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| 125 | #endif
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