---
title: GetPreparation
framework: DriverKit
role: symbol
role_heading: Instance Method
platforms: [DriverKit, iOS, iPadOS, macOS]
path: driverkit/iodmacommand/3645793-getpreparation
---

# GetPreparation

## Declaration

```occ
virtual kern_return_t GetPreparation(uint64_t *offset, uint64_t *length, IOMemoryDescriptor **memory);
```

## See Also

### Performing Internal Operations

- [CompleteDMA](completedma.md)
- [PerformOperation](performoperation.md)
- [PrepareForDMA](preparefordma.md)