// ntdddisk.h

typedef struct _DISK_COPY_DATA_PARAMETERS {
  LARGE_INTEGER SourceOffset;
  LARGE_INTEGER DestinationOffset;
  LARGE_INTEGER CopyLength;
  ULONGLONG     Reserved;
} DISK_COPY_DATA_PARAMETERS, *PDISK_COPY_DATA_PARAMETERS;
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Windows Driver Kit DDI reference (ns-ntdddisk-_disk_copy_data_parameters)

_DISK_COPY_DATA_PARAMETERS structure

Description

DISK_COPY_DATA_PARAMETERS is used with IOCTL_DISK_COPY_DATA to copy data from one area of the disk to another.

Members

`SourceOffset`

Contains the byte offset of the source for the copy. This number must be sector-aligned.

`DestinationOffset`

Contains the byte offset of the destination of the copy. This number must be sector-aligned.

`CopyLength`

Contains the number of bytes to copy. This number must be sector-aligned.

`Reserved`

Must be zero.

Remarks

The source and destination areas must not overlap.

DISK_COPY_DATA_PARAMETERS - NtDoc