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NI:ntdddisk.IOCTL_DISK_GET_DRIVE_GEOMETRY |
IOCTL_DISK_GET_DRIVE_GEOMETRY (ntdddisk.h) |
Returns information about the physical disk's geometry (media type, number of cylinders, tracks per cylinder, sectors per track, and bytes per sector). |
storage\ioctl_disk_get_drive_geometry.htm |
storage |
03/29/2018 |
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IOCTL_DISK_GET_DRIVE_GEOMETRY, IOCTL_DISK_GET_DRIVE_GEOMETRY control, IOCTL_DISK_GET_DRIVE_GEOMETRY control code [Storage Devices], k307_e6bc4a05-f2cf-40f7-9632-b78da2087662.xml, ntdddisk/IOCTL_DISK_GET_DRIVE_GEOMETRY, storage.ioctl_disk_get_drive_geometry |
ntdddisk.h |
Ntdddisk.h |
Windows |
Windows |
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Returns information about the physical disk's geometry (media type, number of cylinders, tracks per cylinder, sectors per track, and bytes per sector).
None
None
The driver returns the DISK_GEOMETRY data in the buffer at Irp->AssociatedIrp.SystemBuffer.
Parameters.DeviceIoControl.OutputBufferLength in the I/O stack location of the IRP indicates the size, in bytes, of the buffer, which must be >= sizeof(DISK_GEOMETRY).
The Information field is set to the size, in bytes, of the returned data. The Status field can be set to STATUS_SUCCESS, or possibly to STATUS_UNRECOGNIZED_MEDIA, STATUS_INVALID_PARAMETER, STATUS_INVALID_DEVICE_REQUEST, STATUS_INFO_LENGTH_MISMATCH, STATUS_INSUFFICIENT_RESOURCES, or STATUS_BUFFER_TOO_SMALL.