FILE_FS_DEVICE_INFORMATION

2OO1, 2O January

typedef struct _FILE_FS_DEVICE_INFORMATION {

  DEVICE_TYPE             DeviceType;
  ULONG                   Characteristics;

} FILE_FS_DEVICE_INFORMATION, *PFILE_FS_DEVICE_INFORMATION;

FILE_FS_DEVICE_INFORMATION represents output buffer in a call to NtQueryVolumeInformationFile with FileFsDeviceInformation information class. Structure is avaiable in <ntddk.h> header file from Win2000 DDK.

DeviceType

Numeric device types are defined in <ntddk.h> as FILE_DEVICE_* precompiler definitions.

Characteristics

Or-ed bit mask of device characteristic. Can be one of:

FILE_REMOVABLE_MEDIA
FILE_READ_ONLY_DEVICE
FILE_FLOPPY_DISKETTE
FILE_WRITE_ONCE_MEDIA
FILE_REMOTE_DEVICE
FILE_DEVICE_IS_MOUNTED
FILE_VIRTUAL_VOLUME
FILE_AUTOGENERATED_DEVICE_NAME

FILE_DEVICE_SECURE_OPEN

Documented by:

Tomasz Nowak

Requirements:

Library: ntdll.lib

Undocumented functions of NTDLL

DeviceType

Characteristics