1 files changed, 62 insertions, 0 deletions
diff --git a/src/corelib/io/qntdll_p.h b/src/corelib/io/qntdll_p.h
new file mode 100644
index 0000000000..1669d4a6dd
--- /dev/null
+++ b/src/corelib/io/qntdll_p.h
@@ -0,0 +1,62 @@
+// Copyright (C) 2021 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
+
+#ifndef QNTDLL_P_H
+#define QNTDLL_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include <QtCore/private/qglobal_p.h>
+
+#include <winternl.h>
+
+QT_BEGIN_NAMESPACE
+
+// keep the following structure as is, taken from
+// https://docs.microsoft.com/en-us/windows-hardware/drivers/ddi/ntddk/ns-ntddk-_file_fs_sector_size_information
+// Unfortunately we can't include the ntddk.h header, so we duplicate the code here.
+typedef struct _FILE_FS_SECTOR_SIZE_INFORMATION {
+    ULONG LogicalBytesPerSector;
+    ULONG PhysicalBytesPerSectorForAtomicity;
+    ULONG PhysicalBytesPerSectorForPerformance;
+    ULONG FileSystemEffectivePhysicalBytesPerSectorForAtomicity;
+    ULONG Flags;
+    ULONG ByteOffsetForSectorAlignment;
+    ULONG ByteOffsetForPartitionAlignment;
+} FILE_FS_SECTOR_SIZE_INFORMATION, *PFILE_FS_SECTOR_SIZE_INFORMATION;
+
+#if !defined(Q_CC_MINGW)
+// keep the following enumeration as is, taken from
+// https://docs.microsoft.com/en-us/windows-hardware/drivers/ddi/wdm/ne-wdm-_fsinfoclass
+// Unfortunately we can't include the wdm.h header, so we duplicate the code here.
+typedef enum _FSINFOCLASS {
+    FileFsVolumeInformation,
+    FileFsLabelInformation,
+    FileFsSizeInformation,
+    FileFsDeviceInformation,
+    FileFsAttributeInformation,
+    FileFsControlInformation,
+    FileFsFullSizeInformation,
+    FileFsObjectIdInformation,
+    FileFsDriverPathInformation,
+    FileFsVolumeFlagsInformation,
+    FileFsSectorSizeInformation,
+    FileFsDataCopyInformation,
+    FileFsMetadataSizeInformation,
+    FileFsFullSizeInformationEx,
+    FileFsMaximumInformation
+} FS_INFORMATION_CLASS, *PFS_INFORMATION_CLASS;
+#endif
+
+QT_END_NAMESPACE
+
+#endif // QNTDLL_P_H