mingw-w64-headers/ddk/include/ddk/mountmgr.h

#ifndef _MOUNTMGR_
#define _MOUNTMGR_

#if (NTDDI_VERSION >= NTDDI_WIN2K)

#if defined(DEFINE_GUID)
DEFINE_GUID(MOUNTDEV_MOUNTED_DEVICE_GUID, 0x53F5630D, 0xB6BF, 0x11D0, 0x94, 0xF2, 0x00, 0xA0, 0xC9, 0x1E, 0xFB, 0x8B);
#endif

#define MOUNTMGR_DEVICE_NAME L"\\Device\\MountPointManager"
#define MOUNTMGR_DOS_DEVICE_NAME L"\\\\.\\MountPointManager"
#define MOUNTMGRCONTROLTYPE ((ULONG) 'm')
#define MOUNTDEVCONTROLTYPE ((ULONG) 'M')

#define IOCTL_MOUNTMGR_DEFINE_UNIX_DRIVE CTL_CODE(MOUNTMGRCONTROLTYPE, 32, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS)
#define IOCTL_MOUNTMGR_QUERY_UNIX_DRIVE  CTL_CODE(MOUNTMGRCONTROLTYPE, 33, METHOD_BUFFERED, FILE_READ_ACCESS)

struct mountmgr_unix_drive {
  ULONG  size;
  ULONG  type;
  WCHAR  letter;
  USHORT mount_point_offset;
  USHORT device_offset;
};

#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_MOUNTDEV_QUERY_DEVICE_NAME \
  CTL_CODE(MOUNTDEVCONTROLTYPE, 2, METHOD_BUFFERED, FILE_ANY_ACCESS)

#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] == ':')

#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] == '}')

typedef struct _MOUNTMGR_CREATE_POINT_INPUT {
  USHORT SymbolicLinkNameOffset;
  USHORT SymbolicLinkNameLength;
  USHORT DeviceNameOffset;
  USHORT DeviceNameLength;
} MOUNTMGR_CREATE_POINT_INPUT, *PMOUNTMGR_CREATE_POINT_INPUT;

typedef struct _MOUNTMGR_MOUNT_POINT {
  ULONG SymbolicLinkNameOffset;
  USHORT SymbolicLinkNameLength;
  ULONG UniqueIdOffset;
  USHORT UniqueIdLength;
  ULONG DeviceNameOffset;
  USHORT DeviceNameLength;
} MOUNTMGR_MOUNT_POINT, *PMOUNTMGR_MOUNT_POINT;

typedef struct _MOUNTMGR_MOUNT_POINTS {
  ULONG Size;
  ULONG NumberOfMountPoints;
  MOUNTMGR_MOUNT_POINT MountPoints[1];
} MOUNTMGR_MOUNT_POINTS, *PMOUNTMGR_MOUNT_POINTS;

typedef struct _MOUNTMGR_DRIVE_LETTER_TARGET {
  USHORT DeviceNameLength;
  WCHAR DeviceName[1];
} MOUNTMGR_DRIVE_LETTER_TARGET, *PMOUNTMGR_DRIVE_LETTER_TARGET;

typedef struct _MOUNTMGR_DRIVE_LETTER_INFORMATION {
  BOOLEAN DriveLetterWasAssigned;
  UCHAR CurrentDriveLetter;
} MOUNTMGR_DRIVE_LETTER_INFORMATION, *PMOUNTMGR_DRIVE_LETTER_INFORMATION;

typedef struct _MOUNTMGR_VOLUME_MOUNT_POINT {
  USHORT SourceVolumeNameOffset;
  USHORT SourceVolumeNameLength;
  USHORT TargetVolumeNameOffset;
  USHORT TargetVolumeNameLength;
} MOUNTMGR_VOLUME_MOUNT_POINT, *PMOUNTMGR_VOLUME_MOUNT_POINT;

typedef struct _MOUNTMGR_CHANGE_NOTIFY_INFO {
  ULONG EpicNumber;
} MOUNTMGR_CHANGE_NOTIFY_INFO, *PMOUNTMGR_CHANGE_NOTIFY_INFO;

typedef struct _MOUNTMGR_TARGET_NAME {
  USHORT DeviceNameLength;
  WCHAR DeviceName[1];
} MOUNTMGR_TARGET_NAME, *PMOUNTMGR_TARGET_NAME;

typedef struct _MOUNTDEV_NAME {
  USHORT NameLength;
  WCHAR Name[1];
} MOUNTDEV_NAME, *PMOUNTDEV_NAME;

#endif /* (NTDDI_VERSION >= NTDDI_WIN2K) */

#if (NTDDI_VERSION >= NTDDI_WINXP)

#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)

#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] == '?')

typedef struct _MOUNTMGR_VOLUME_PATHS {
  ULONG MultiSzLength;
  WCHAR MultiSz[1];
} MOUNTMGR_VOLUME_PATHS, *PMOUNTMGR_VOLUME_PATHS;

#endif /* (NTDDI_VERSION >= NTDDI_WINXP) */

#if (NTDDI_VERSION >= NTDDI_WS03)

#define IOCTL_MOUNTMGR_SCRUB_REGISTRY \
  CTL_CODE(MOUNTMGRCONTROLTYPE, 14, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS)
#define IOCTL_MOUNTMGR_QUERY_AUTO_MOUNT \
  CTL_CODE(MOUNTMGRCONTROLTYPE, 15, METHOD_BUFFERED, FILE_ANY_ACCESS)
#define IOCTL_MOUNTMGR_SET_AUTO_MOUNT \
  CTL_CODE(MOUNTMGRCONTROLTYPE, 16, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS)

typedef enum _MOUNTMGR_AUTO_MOUNT_STATE {
  Disabled = 0,
  Enabled
} MOUNTMGR_AUTO_MOUNT_STATE;

typedef struct _MOUNTMGR_QUERY_AUTO_MOUNT {
  MOUNTMGR_AUTO_MOUNT_STATE CurrentState;
} MOUNTMGR_QUERY_AUTO_MOUNT, *PMOUNTMGR_QUERY_AUTO_MOUNT;

typedef struct _MOUNTMGR_SET_AUTO_MOUNT {
  MOUNTMGR_AUTO_MOUNT_STATE NewState;
} MOUNTMGR_SET_AUTO_MOUNT, *PMOUNTMGR_SET_AUTO_MOUNT;

#endif /* (NTDDI_VERSION >= NTDDI_WS03) */

#if (NTDDI_VERSION >= NTDDI_WIN7)

#define IOCTL_MOUNTMGR_BOOT_DL_ASSIGNMENT \
  CTL_CODE(MOUNTMGRCONTROLTYPE, 17, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS)
#define IOCTL_MOUNTMGR_TRACELOG_CACHE \
  CTL_CODE(MOUNTMGRCONTROLTYPE, 18, METHOD_BUFFERED, FILE_READ_ACCESS)

#endif /* (NTDDI_VERSION >= NTDDI_WIN7) */

#endif /* _MOUNTMGR_ */