reactos/boot/freeldr/freeldr/include/fs.h

/*
 *  FreeLoader
 *  Copyright (C) 1998-2003  Brian Palmer  <brianp@sginet.com>
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License along
 *  with this program; if not, write to the Free Software Foundation, Inc.,
 *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

#pragma once

#define SECTOR_SIZE 512

typedef struct tagDEVVTBL
{
    ARC_CLOSE Close;
    ARC_GET_FILE_INFORMATION GetFileInformation;
    ARC_OPEN Open;
    ARC_READ Read;
    ARC_SEEK Seek;
    PCWSTR ServiceName;
} DEVVTBL;

#define MAX_FDS 60

ARC_STATUS ArcOpen(CHAR* Path, OPENMODE OpenMode, ULONG* FileId);
ARC_STATUS ArcClose(ULONG FileId);
ARC_STATUS ArcRead(ULONG FileId, VOID* Buffer, ULONG N, ULONG* Count);
ARC_STATUS ArcSeek(ULONG FileId, LARGE_INTEGER* Position, SEEKMODE SeekMode);
ARC_STATUS ArcGetFileInformation(ULONG FileId, FILEINFORMATION* Information);

VOID  FileSystemError(PCSTR ErrorString);

ARC_STATUS
FsOpenFile(
    IN PCSTR FileName,
    IN PCSTR DefaultPath OPTIONAL,
    IN OPENMODE OpenMode,
    OUT PULONG FileId);

ULONG FsGetNumPathParts(PCSTR Path);
VOID  FsGetFirstNameFromPath(PCHAR Buffer, PCSTR Path);

VOID FsRegisterDevice(CHAR* Prefix, const DEVVTBL* FuncTable);
PCWSTR FsGetServiceName(ULONG FileId);
VOID  FsSetDeviceSpecific(ULONG FileId, VOID* Specific);
VOID* FsGetDeviceSpecific(ULONG FileId);
ULONG FsGetDeviceId(ULONG FileId);
VOID  FsInit(VOID);