---
title: GetPreparation
framework: driverkit
role: symbol
role_heading: Instance Method
path: driverkit/iodmacommand/getpreparation
---

# GetPreparation

## Declaration

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

## See Also

### Performing Internal Operations

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