# DADisk.h ## Overview See the Overview section above for header-level documentation. ## Overview ### Included Headers - - - ## Topics ### Miscellaneous [`func DADiskCopyDescription(DADisk) -> CFDictionary?`](/documentation/DiskArbitration/DADiskCopyDescription(_:)) Obtains the Disk Arbitration description of the specified disk. [`func DADiskCopyIOMedia(DADisk) -> io_service_t`](/documentation/DiskArbitration/DADiskCopyIOMedia(_:)) Obtains the I/O Kit media object for the specified disk. [`func DADiskCopyWholeDisk(DADisk) -> DADisk?`](/documentation/DiskArbitration/DADiskCopyWholeDisk(_:)) Obtain the associated whole disk object for the specified disk. [`func DADiskCreateFromBSDName(CFAllocator?, DASession, UnsafePointer) -> DADisk?`](/documentation/DiskArbitration/DADiskCreateFromBSDName(_:_:_:)) Creates a new disk object. [`func DADiskCreateFromIOMedia(CFAllocator?, DASession, io_service_t) -> DADisk?`](/documentation/DiskArbitration/DADiskCreateFromIOMedia(_:_:_:)) Creates a new disk object. [`func DADiskCreateFromVolumePath(CFAllocator?, DASession, CFURL) -> DADisk?`](/documentation/DiskArbitration/DADiskCreateFromVolumePath(_:_:_:)) Creates a new disk object. [`func DADiskGetBSDName(DADisk) -> UnsafePointer?`](/documentation/DiskArbitration/DADiskGetBSDName(_:)) Obtains the BSD device name for the specified disk. [`func DADiskGetTypeID() -> CFTypeID`](/documentation/DiskArbitration/DADiskGetTypeID()) Returns the type identifier of all DADisk instances. ### Data Types [`class DADisk`](/documentation/DiskArbitration/DADisk) Type of a reference to DADisk instances. --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)