---
title: getFireWirePhysicalBufferMask
framework: kernel
role: symbol
role_heading: Instance Method
path: kernel/iofirewirebus/1571448-getfirewirephysicalbuffermask
---

# getFireWirePhysicalBufferMask

## Declaration

```occ
UInt64 getFireWirePhysicalBufferMask(void);
```