---
title: initDMAChannel
framework: kernel
role: symbol
role_heading: Instance Method
path: kernel/iodmacontroller/1485777-initdmachannel
---

# initDMAChannel

## Declaration

```occ
virtual IOReturn initDMAChannel(IOService *provider, IODMAEventSource *dmaES, UInt32 *dmaIndex, UInt32 reqIndex);
```