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175 lines
3.1 KiB
175 lines
3.1 KiB
/*++
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Copyright (c) 1991 Microsoft Corporation
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Module Name:
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CdfsBoot.h
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Abstract:
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This module defines globally used procedure and data structures used
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by Cdfs boot.
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Author:
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Brian Andrew [BrianAn] 05-Aug-1991
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Revision History:
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--*/
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#ifndef _CDFSBOOT_
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#define _CDFSBOOT_
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#define MAX_CDROM_READ (16 * CD_SECTOR_SIZE)
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typedef struct _CDFS_STRUCTURE_CONTEXT {
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//
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// The following field is the sector offset of the start of
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// directory data.
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//
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ULONG RootDirSectorOffset;
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//
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// The following field is the start of the sector containing the
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// this directory.
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//
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ULONG RootDirDiskOffset;
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//
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// The following field is the size of the directory.
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//
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ULONG RootDirSize;
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//
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// The following field is the sector offset of the start of
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// directory data.
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//
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ULONG DirSectorOffset;
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//
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// The following field is the start of the sector containing the
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// this directory.
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//
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ULONG DirDiskOffset;
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//
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// The following field is the size of the directory.
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//
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ULONG DirSize;
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//
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// The following field indicates the size of the disk Logical Blocks.
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//
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ULONG LbnBlockSize;
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//
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// The following field indicates the number of logical blocks on the
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// disk.
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//
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ULONG LogicalBlockCount;
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//
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// The following indicates whether this is an Iso or Hsg disk.
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//
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BOOLEAN IsIsoVol;
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} CDFS_STRUCTURE_CONTEXT, *PCDFS_STRUCTURE_CONTEXT;
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//
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// Define Cdfs file context structure.
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//
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typedef struct _CDFS_FILE_CONTEXT {
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//
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// The following is the disk offset of the read position for the
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// start of the file. This may include the above number of non-file
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// bytes.
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//
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ULONG DiskOffset;
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//
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// The following field contains the size of the file, in bytes.
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//
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ULONG FileSize;
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//
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// The following field indicates whether this is a directory.
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//
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BOOLEAN IsDirectory;
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} CDFS_FILE_CONTEXT, *PCDFS_FILE_CONTEXT;
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//
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// Define file I/O prototypes.
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//
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ARC_STATUS
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CdfsClose (
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IN ULONG FileId
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);
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ARC_STATUS
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CdfsOpen (
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IN CHAR * FIRMWARE_PTR OpenPath,
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IN OPEN_MODE OpenMode,
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OUT ULONG * FIRMWARE_PTR FileId
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);
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ARC_STATUS
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CdfsRead (
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IN ULONG FileId,
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OUT VOID * FIRMWARE_PTR Buffer,
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IN ULONG Length,
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OUT ULONG * FIRMWARE_PTR Count
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);
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ARC_STATUS
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CdfsSeek (
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IN ULONG FileId,
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IN LARGE_INTEGER * FIRMWARE_PTR Offset,
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IN SEEK_MODE SeekMode
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);
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ARC_STATUS
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CdfsWrite (
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IN ULONG FileId,
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IN VOID * FIRMWARE_PTR Buffer,
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IN ULONG Length,
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OUT ULONG * FIRMWARE_PTR Count
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);
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ARC_STATUS
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CdfsGetFileInformation (
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IN ULONG FileId,
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OUT FILE_INFORMATION * FIRMWARE_PTR Buffer
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);
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ARC_STATUS
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CdfsSetFileInformation (
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IN ULONG FileId,
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IN ULONG AttributeFlags,
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IN ULONG AttributeMask
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);
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ARC_STATUS
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CdfsInitialize(
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VOID
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);
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#endif // _CDFSBOOT_
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