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STORAGE_DIAGNOSTIC_REQUEST structure (ntddstor.h)

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Describes a diagnostic request about the storage driver stack. The STORAGE_DIAGNOSTIC_REQUEST structure is provided in the input buffer of an IOCTL_STORAGE_DIAGNOSTIC request.

Syntax

typedef struct _STORAGE_DIAGNOSTIC_REQUEST {
  ULONG                          Version;
  ULONG                          Size;
  ULONG                          Flags;
  STORAGE_DIAGNOSTIC_TARGET_TYPE TargetType;
  STORAGE_DIAGNOSTIC_LEVEL       Level;
} STORAGE_DIAGNOSTIC_REQUEST, *PSTORAGE_DIAGNOSTIC_REQUEST;

Members

Version

Version of this structure.

Size

Specifies the whole size of the structure and the associated data buffer.

Flags

Specifies the request flag.

TargetType

Specifies the request target type. See definitions for STORAGE_DIAGNOSTIC_TARGET_TYPE.

Level

Specifies the Diagnostic level. See definitions for STORAGE_DIAGNOSTIC_LEVEL.

Requirements

Requirement Value
Minimum supported client Available starting with Windows 10, version 1709.
Header ntddstor.h

See also

IOCTL_STORAGE_DIAGNOSTIC

STORAGE_DIAGNOSTIC_DATA

STORAGE_DIAGNOSTIC_LEVEL

STORAGE_DIAGNOSTIC_TARGET_TYPE