windows-nt/Source/XPSP1/NT/published/sdk/inc/mountmgr.h

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2020-09-26 03:20:57 -05:00
/*++
Copyright (c) 1997-1999 Microsoft Corporation
Module Name:
mountmgr.h
Abstract:
This file defines the external mount point interface for administering
mount points.
Author:
norbertk
Revision History:
--*/
#ifndef _MOUNTMGR_
#define _MOUNTMGR_
#if _MSC_VER > 1000
#pragma once
#endif
#ifndef FAR
#define FAR
#endif
#define MOUNTMGR_DEVICE_NAME L"\\Device\\MountPointManager"
#define MOUNTMGR_DOS_DEVICE_NAME L"\\\\.\\MountPointManager"
#define MOUNTMGRCONTROLTYPE ((ULONG) 'm')
#define MOUNTDEVCONTROLTYPE ((ULONG) 'M')
//
// These are the IOCTLs supported by the mount point manager.
//
#define IOCTL_MOUNTMGR_CREATE_POINT CTL_CODE(MOUNTMGRCONTROLTYPE, 0, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS)
#define IOCTL_MOUNTMGR_DELETE_POINTS CTL_CODE(MOUNTMGRCONTROLTYPE, 1, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS)
#define IOCTL_MOUNTMGR_QUERY_POINTS CTL_CODE(MOUNTMGRCONTROLTYPE, 2, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_MOUNTMGR_DELETE_POINTS_DBONLY CTL_CODE(MOUNTMGRCONTROLTYPE, 3, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS)
#define IOCTL_MOUNTMGR_NEXT_DRIVE_LETTER CTL_CODE(MOUNTMGRCONTROLTYPE, 4, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS)
#define IOCTL_MOUNTMGR_AUTO_DL_ASSIGNMENTS CTL_CODE(MOUNTMGRCONTROLTYPE, 5, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS)
#define IOCTL_MOUNTMGR_VOLUME_MOUNT_POINT_CREATED CTL_CODE(MOUNTMGRCONTROLTYPE, 6, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS)
#define IOCTL_MOUNTMGR_VOLUME_MOUNT_POINT_DELETED CTL_CODE(MOUNTMGRCONTROLTYPE, 7, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS)
#define IOCTL_MOUNTMGR_CHANGE_NOTIFY CTL_CODE(MOUNTMGRCONTROLTYPE, 8, METHOD_BUFFERED, FILE_READ_ACCESS)
#define IOCTL_MOUNTMGR_KEEP_LINKS_WHEN_OFFLINE CTL_CODE(MOUNTMGRCONTROLTYPE, 9, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS)
#define IOCTL_MOUNTMGR_CHECK_UNPROCESSED_VOLUMES CTL_CODE(MOUNTMGRCONTROLTYPE, 10, METHOD_BUFFERED, FILE_READ_ACCESS)
#define IOCTL_MOUNTMGR_VOLUME_ARRIVAL_NOTIFICATION CTL_CODE(MOUNTMGRCONTROLTYPE, 11, METHOD_BUFFERED, FILE_READ_ACCESS)
#define IOCTL_MOUNTMGR_QUERY_DOS_VOLUME_PATH CTL_CODE(MOUNTMGRCONTROLTYPE, 12, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_MOUNTMGR_QUERY_DOS_VOLUME_PATHS CTL_CODE(MOUNTMGRCONTROLTYPE, 13, METHOD_BUFFERED, FILE_ANY_ACCESS)
//
// Input structure for IOCTL_MOUNTMGR_CREATE_POINT.
//
typedef struct _MOUNTMGR_CREATE_POINT_INPUT {
USHORT SymbolicLinkNameOffset;
USHORT SymbolicLinkNameLength;
USHORT DeviceNameOffset;
USHORT DeviceNameLength;
} MOUNTMGR_CREATE_POINT_INPUT, *PMOUNTMGR_CREATE_POINT_INPUT;
//
// Input structure for IOCTL_MOUNTMGR_DELETE_POINTS,
// IOCTL_MOUNTMGR_QUERY_POINTS, and IOCTL_MOUNTMGR_DELETE_POINTS_DBONLY.
//
typedef struct _MOUNTMGR_MOUNT_POINT {
ULONG SymbolicLinkNameOffset;
USHORT SymbolicLinkNameLength;
ULONG UniqueIdOffset;
USHORT UniqueIdLength;
ULONG DeviceNameOffset;
USHORT DeviceNameLength;
} MOUNTMGR_MOUNT_POINT, *PMOUNTMGR_MOUNT_POINT;
//
// Output structure for IOCTL_MOUNTMGR_DELETE_POINTS,
// IOCTL_MOUNTMGR_QUERY_POINTS, and IOCTL_MOUNTMGR_DELETE_POINTS_DBONLY.
//
typedef struct _MOUNTMGR_MOUNT_POINTS {
ULONG Size;
ULONG NumberOfMountPoints;
MOUNTMGR_MOUNT_POINT MountPoints[1];
} MOUNTMGR_MOUNT_POINTS, *PMOUNTMGR_MOUNT_POINTS;
//
// Input structure for IOCTL_MOUNTMGR_NEXT_DRIVE_LETTER.
//
typedef struct _MOUNTMGR_DRIVE_LETTER_TARGET {
USHORT DeviceNameLength;
WCHAR DeviceName[1];
} MOUNTMGR_DRIVE_LETTER_TARGET, *PMOUNTMGR_DRIVE_LETTER_TARGET;
//
// Output structure for IOCTL_MOUNTMGR_NEXT_DRIVE_LETTER.
//
typedef struct _MOUNTMGR_DRIVE_LETTER_INFORMATION {
BOOLEAN DriveLetterWasAssigned;
UCHAR CurrentDriveLetter;
} MOUNTMGR_DRIVE_LETTER_INFORMATION, *PMOUNTMGR_DRIVE_LETTER_INFORMATION;
//
// Input structure for IOCTL_MOUNTMGR_VOLUME_MOUNT_POINT_CREATED and
// IOCTL_MOUNTMGR_VOLUME_MOUNT_POINT_DELETED.
//
typedef struct _MOUNTMGR_VOLUME_MOUNT_POINT {
USHORT SourceVolumeNameOffset;
USHORT SourceVolumeNameLength;
USHORT TargetVolumeNameOffset;
USHORT TargetVolumeNameLength;
} MOUNTMGR_VOLUME_MOUNT_POINT, *PMOUNTMGR_VOLUME_MOUNT_POINT;
//
// Input structure for IOCTL_MOUNTMGR_CHANGE_NOTIFY.
// Output structure for IOCTL_MOUNTMGR_CHANGE_NOTIFY.
//
typedef struct _MOUNTMGR_CHANGE_NOTIFY_INFO {
ULONG EpicNumber;
} MOUNTMGR_CHANGE_NOTIFY_INFO, *PMOUNTMGR_CHANGE_NOTIFY_INFO;
//
// Input structure for IOCTL_MOUNTMGR_KEEP_LINKS_WHEN_OFFLINE,
// IOCTL_MOUNTMGR_VOLUME_ARRIVAL_NOTIFICATION,
// IOCTL_MOUNTMGR_QUERY_DOS_VOLUME_PATH, and
// IOCTL_MOUNTMGR_QUERY_DOS_VOLUME_PATHS.
//
typedef struct _MOUNTMGR_TARGET_NAME {
USHORT DeviceNameLength;
WCHAR DeviceName[1];
} MOUNTMGR_TARGET_NAME, *PMOUNTMGR_TARGET_NAME;
//
// Output structure for IOCTL_MOUNTMGR_QUERY_DOS_VOLUME_PATH and
// IOCTL_MOUNTMGR_QUERY_DOS_VOLUME_PATHS.
//
typedef struct _MOUNTMGR_VOLUME_PATHS {
ULONG MultiSzLength;
WCHAR MultiSz[1];
} MOUNTMGR_VOLUME_PATHS, *PMOUNTMGR_VOLUME_PATHS;
//
// Macro that defines what a "drive letter" mount point is. This macro can
// be used to scan the result from QUERY_POINTS to discover which mount points
// are find "drive letter" mount points.
//
#define MOUNTMGR_IS_DRIVE_LETTER(s) ( \
(s)->Length == 28 && \
(s)->Buffer[0] == '\\' && \
(s)->Buffer[1] == 'D' && \
(s)->Buffer[2] == 'o' && \
(s)->Buffer[3] == 's' && \
(s)->Buffer[4] == 'D' && \
(s)->Buffer[5] == 'e' && \
(s)->Buffer[6] == 'v' && \
(s)->Buffer[7] == 'i' && \
(s)->Buffer[8] == 'c' && \
(s)->Buffer[9] == 'e' && \
(s)->Buffer[10] == 's' && \
(s)->Buffer[11] == '\\' && \
(s)->Buffer[12] >= 'A' && \
(s)->Buffer[12] <= 'Z' && \
(s)->Buffer[13] == ':')
//
// Macro that defines what a "volume name" mount point is. This macro can
// be used to scan the result from QUERY_POINTS to discover which mount points
// are "volume name" mount points.
//
#define MOUNTMGR_IS_VOLUME_NAME(s) ( \
((s)->Length == 96 || ((s)->Length == 98 && (s)->Buffer[48] == '\\')) && \
(s)->Buffer[0] == '\\' && \
((s)->Buffer[1] == '?' || (s)->Buffer[1] == '\\') && \
(s)->Buffer[2] == '?' && \
(s)->Buffer[3] == '\\' && \
(s)->Buffer[4] == 'V' && \
(s)->Buffer[5] == 'o' && \
(s)->Buffer[6] == 'l' && \
(s)->Buffer[7] == 'u' && \
(s)->Buffer[8] == 'm' && \
(s)->Buffer[9] == 'e' && \
(s)->Buffer[10] == '{' && \
(s)->Buffer[19] == '-' && \
(s)->Buffer[24] == '-' && \
(s)->Buffer[29] == '-' && \
(s)->Buffer[34] == '-' && \
(s)->Buffer[47] == '}' \
)
#define MOUNTMGR_IS_DOS_VOLUME_NAME(s) ( \
MOUNTMGR_IS_VOLUME_NAME(s) && \
(s)->Length == 96 && \
(s)->Buffer[1] == '\\' \
)
#define MOUNTMGR_IS_DOS_VOLUME_NAME_WB(s) ( \
MOUNTMGR_IS_VOLUME_NAME(s) && \
(s)->Length == 98 && \
(s)->Buffer[1] == '\\' \
)
#define MOUNTMGR_IS_NT_VOLUME_NAME(s) ( \
MOUNTMGR_IS_VOLUME_NAME(s) && \
(s)->Length == 96 && \
(s)->Buffer[1] == '?' \
)
#define MOUNTMGR_IS_NT_VOLUME_NAME_WB(s) ( \
MOUNTMGR_IS_VOLUME_NAME(s) && \
(s)->Length == 98 && \
(s)->Buffer[1] == '?' \
)
//
// The following IOCTL is supported by mounted devices.
//
#define IOCTL_MOUNTDEV_QUERY_DEVICE_NAME CTL_CODE(MOUNTDEVCONTROLTYPE, 2, METHOD_BUFFERED, FILE_ANY_ACCESS)
//
// Output structure for IOCTL_MOUNTDEV_QUERY_DEVICE_NAME.
//
typedef struct _MOUNTDEV_NAME {
USHORT NameLength;
WCHAR Name[1];
} MOUNTDEV_NAME, *PMOUNTDEV_NAME;
//
// Devices that wish to be mounted should report this GUID in
// IoRegisterDeviceInterface.
//
DEFINE_GUID(MOUNTDEV_MOUNTED_DEVICE_GUID, 0x53f5630d, 0xb6bf, 0x11d0, 0x94, 0xf2, 0x00, 0xa0, 0xc9, 0x1e, 0xfb, 0x8b);
#endif