---
title: asyncRead
framework: kernel
role: symbol
role_heading: Instance Method
path: kernel/iofirewirecontroller/1457166-asyncread
---

# asyncRead

## Declaration

```occ
virtual IOReturn asyncRead(UInt32 generation, UInt16 nodeID, UInt16 addrHi, UInt32 addrLo, int speed, int label, int size, IOFWAsyncCommand *cmd);
```