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177 lines
5.1 KiB
177 lines
5.1 KiB
/*++
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Copyright (c) Microsoft Corporation. All rights reserved.
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Module Name:
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ntddvol.h
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Abstract:
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This header file defines the IOCTLs supported by Windows NT volumes.
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Author:
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Norbert Kusters 15-April-1998
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Notes:
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Revision History:
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--*/
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#ifndef _NTDDVOL_
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#define _NTDDVOL_
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#if _MSC_VER > 1000
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#pragma once
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifndef IOCTL_VOLUME_BASE
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// begin_winioctl
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//
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// These IOCTLs are handled by hard disk volumes.
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//
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#define IOCTL_VOLUME_BASE ((ULONG) 'V')
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#define IOCTL_VOLUME_GET_VOLUME_DISK_EXTENTS CTL_CODE(IOCTL_VOLUME_BASE, 0, METHOD_BUFFERED, FILE_ANY_ACCESS)
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#define IOCTL_VOLUME_IS_CLUSTERED CTL_CODE(IOCTL_VOLUME_BASE, 12, METHOD_BUFFERED, FILE_ANY_ACCESS)
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//
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// Disk extent definition.
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//
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typedef struct _DISK_EXTENT {
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ULONG DiskNumber;
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LARGE_INTEGER StartingOffset;
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LARGE_INTEGER ExtentLength;
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} DISK_EXTENT, *PDISK_EXTENT;
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//
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// Output structure for IOCTL_VOLUME_GET_VOLUME_DISK_EXTENTS.
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//
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typedef struct _VOLUME_DISK_EXTENTS {
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ULONG NumberOfDiskExtents;
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DISK_EXTENT Extents[1];
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} VOLUME_DISK_EXTENTS, *PVOLUME_DISK_EXTENTS;
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// end_winioctl
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#endif
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//
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// These IOCTLs are to support cluster services.
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//
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#define IOCTL_VOLUME_SUPPORTS_ONLINE_OFFLINE CTL_CODE(IOCTL_VOLUME_BASE, 1, METHOD_BUFFERED, FILE_ANY_ACCESS)
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#define IOCTL_VOLUME_ONLINE CTL_CODE(IOCTL_VOLUME_BASE, 2, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS)
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#define IOCTL_VOLUME_OFFLINE CTL_CODE(IOCTL_VOLUME_BASE, 3, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS)
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#define IOCTL_VOLUME_IS_OFFLINE CTL_CODE(IOCTL_VOLUME_BASE, 4, METHOD_BUFFERED, FILE_ANY_ACCESS)
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#define IOCTL_VOLUME_IS_IO_CAPABLE CTL_CODE(IOCTL_VOLUME_BASE, 5, METHOD_BUFFERED, FILE_ANY_ACCESS)
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#define IOCTL_VOLUME_QUERY_FAILOVER_SET CTL_CODE(IOCTL_VOLUME_BASE, 6, METHOD_BUFFERED, FILE_ANY_ACCESS)
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//
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// Output structure for IOCTL_VOLUME_QUERY_FAILOVER_SET.
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//
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typedef struct _VOLUME_FAILOVER_SET {
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ULONG NumberOfDisks;
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ULONG DiskNumbers[1];
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} VOLUME_FAILOVER_SET, *PVOLUME_FAILOVER_SET;
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//
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// More IOCTLs for hard disk volumes.
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//
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#define IOCTL_VOLUME_QUERY_VOLUME_NUMBER CTL_CODE(IOCTL_VOLUME_BASE, 7, METHOD_BUFFERED, FILE_ANY_ACCESS)
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#define IOCTL_VOLUME_LOGICAL_TO_PHYSICAL CTL_CODE(IOCTL_VOLUME_BASE, 8, METHOD_BUFFERED, FILE_ANY_ACCESS)
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#define IOCTL_VOLUME_PHYSICAL_TO_LOGICAL CTL_CODE(IOCTL_VOLUME_BASE, 9, METHOD_BUFFERED, FILE_ANY_ACCESS)
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#define IOCTL_VOLUME_IS_PARTITION CTL_CODE(IOCTL_VOLUME_BASE, 10, METHOD_BUFFERED, FILE_ANY_ACCESS)
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#define IOCTL_VOLUME_READ_PLEX CTL_CODE(IOCTL_VOLUME_BASE, 11, METHOD_OUT_DIRECT, FILE_READ_ACCESS)
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//
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// Output structure for IOCTL_VOLUME_QUERY_VOLUME_NUMBER. If the volume
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// manager name is less than 8 characters then it should be padded with
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// blanks (0x20).
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//
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typedef struct _VOLUME_NUMBER {
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ULONG VolumeNumber;
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WCHAR VolumeManagerName[8];
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} VOLUME_NUMBER, *PVOLUME_NUMBER;
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//
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// Input structure for IOCTL_VOLUME_LOGICAL_TO_PHYSICAL.
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// Output structure for IOCTL_VOLUME_PHYSICAL_TO_LOGICAL.
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//
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typedef struct _VOLUME_LOGICAL_OFFSET {
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LONGLONG LogicalOffset;
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} VOLUME_LOGICAL_OFFSET, *PVOLUME_LOGICAL_OFFSET;
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//
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// Input structure for IOCTL_VOLUME_PHYSICAL_TO_LOGICAL.
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//
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typedef struct _VOLUME_PHYSICAL_OFFSET {
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ULONG DiskNumber;
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LONGLONG Offset;
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} VOLUME_PHYSICAL_OFFSET, *PVOLUME_PHYSICAL_OFFSET;
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//
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// Output structure for IOCTL_VOLUME_LOGICAL_TO_PHYSICAL.
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//
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typedef struct _VOLUME_PHYSICAL_OFFSETS {
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ULONG NumberOfPhysicalOffsets;
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VOLUME_PHYSICAL_OFFSET PhysicalOffset[1];
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} VOLUME_PHYSICAL_OFFSETS, *PVOLUME_PHYSICAL_OFFSETS;
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//
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// Input structure for IOCTL_VOLUME_READ_PLEX.
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//
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typedef struct _VOLUME_READ_PLEX_INPUT {
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LARGE_INTEGER ByteOffset;
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ULONG Length;
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ULONG PlexNumber;
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} VOLUME_READ_PLEX_INPUT, *PVOLUME_READ_PLEX_INPUT;
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//
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// IOCTLs for setting and getting GPT attributes on volumes.
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//
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#define IOCTL_VOLUME_SET_GPT_ATTRIBUTES CTL_CODE(IOCTL_VOLUME_BASE, 13, METHOD_BUFFERED, FILE_ANY_ACCESS)
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#define IOCTL_VOLUME_GET_GPT_ATTRIBUTES CTL_CODE(IOCTL_VOLUME_BASE, 14, METHOD_BUFFERED, FILE_ANY_ACCESS)
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//
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// Input structure for IOCTL_VOLUME_SET_GPT_ATTRIBUTES.
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//
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typedef struct _VOLUME_SET_GPT_ATTRIBUTES_INFORMATION {
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ULONGLONG GptAttributes;
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BOOLEAN RevertOnClose;
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BOOLEAN ApplyToAllConnectedVolumes;
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USHORT Reserved1; // Must be 0.
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ULONG Reserved2; // Must be 0.
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} VOLUME_SET_GPT_ATTRIBUTES_INFORMATION, *PVOLUME_SET_GPT_ATTRIBUTES_INFORMATION;
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//
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// Output structure for IOCTL_VOLUME_GET_GPT_ATTRIBUTES.
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//
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typedef struct _VOLUME_GET_GPT_ATTRIBUTES_INFORMATION {
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ULONGLONG GptAttributes;
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} VOLUME_GET_GPT_ATTRIBUTES_INFORMATION, *PVOLUME_GET_GPT_ATTRIBUTES_INFORMATION;
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#ifdef __cplusplus
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}
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#endif
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#endif // _NTDDVOL_
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