boot/freeldr/freeldr/include/fs.h

   1 /*
   2  *  FreeLoader
   3  *  Copyright (C) 1998-2003  Brian Palmer  <brianp@sginet.com>
   4  *
   5  *  This program is free software; you can redistribute it and/or modify
   6  *  it under the terms of the GNU General Public License as published by
   7  *  the Free Software Foundation; either version 2 of the License, or
   8  *  (at your option) any later version.
   9  *
  10  *  This program is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *  GNU General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU General Public License along
  16  *  with this program; if not, write to the Free Software Foundation, Inc.,
  17  *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18  */
  19
  20 #pragma once
  21
  22 #define SECTOR_SIZE 512
  23
  24 typedef struct tagDEVVTBL
  25 {
  26     ARC_CLOSE Close;
  27     ARC_GET_FILE_INFORMATION GetFileInformation;
  28     ARC_OPEN Open;
  29     ARC_READ Read;
  30     ARC_SEEK Seek;
  31     PCWSTR ServiceName;
  32 } DEVVTBL;
  33
  34 #define MAX_FDS 60
  35
  36 ARC_STATUS ArcOpen(CHAR* Path, OPENMODE OpenMode, ULONG* FileId);
  37 ARC_STATUS ArcClose(ULONG FileId);
  38 ARC_STATUS ArcRead(ULONG FileId, VOID* Buffer, ULONG N, ULONG* Count);
  39 ARC_STATUS ArcSeek(ULONG FileId, LARGE_INTEGER* Position, SEEKMODE SeekMode);
  40 ARC_STATUS ArcGetFileInformation(ULONG FileId, FILEINFORMATION* Information);
  41
  42 VOID  FileSystemError(PCSTR ErrorString);
  43
  44 ARC_STATUS
  45 FsOpenFile(
  46     IN PCSTR FileName,
  47     IN PCSTR DefaultPath OPTIONAL,
  48     IN OPENMODE OpenMode,
  49     OUT PULONG FileId);
  50
  51 ULONG FsGetNumPathParts(PCSTR Path);
  52 VOID  FsGetFirstNameFromPath(PCHAR Buffer, PCSTR Path);
  53
  54 VOID FsRegisterDevice(CHAR* Prefix, const DEVVTBL* FuncTable);
  55 PCWSTR FsGetServiceName(ULONG FileId);
  56 VOID  FsSetDeviceSpecific(ULONG FileId, VOID* Specific);
  57 VOID* FsGetDeviceSpecific(ULONG FileId);
  58 ULONG FsGetDeviceId(ULONG FileId);
  59 VOID  FsInit(VOID);