---
title: doRead
framework: kernel
role: symbol
role_heading: Instance Method
path: kernel/iofwpseudoaddressspace/1584056-doread
---

# doRead

## Declaration

```occ
virtual UInt32 doRead(UInt16 nodeID, IOFWSpeed & speed, FWAddress addr, UInt32 len, IOMemoryDescriptor **buf, IOByteCount *offset, IOFWRequestRefCon reqrefcon);
```