---
title: dmaCommandOperation
framework: kernel
role: symbol
role_heading: Instance Method
path: kernel/iomemorydescriptor/1442040-dmacommandoperation
---

# dmaCommandOperation

## Declaration

```occ
virtual IOReturn dmaCommandOperation(DMACommandOps op, void *vData, UInt dataSize);
```

## See Also

### Operating on the Memory

- [performOperation](kernel/iomemorydescriptor/1812840-performoperation.md)
- [performOperation](kernel/iomemorydescriptor/1441761-performoperation.md)