---
title: kIOMemoryMapReadOnly
framework: driverkit
role: symbol
role_heading: Enumeration Case
path: driverkit/kiomemorymapreadonly
---

# kIOMemoryMapReadOnly

The memory maps as read-only.

## Declaration

```occ
kIOMemoryMapReadOnly
```

## See Also

### Options

- [kIOMemoryMapFixedAddress](driverkit/kiomemorymapfixedaddress.md)
- [kIOMemoryMapCacheModeDefault](driverkit/kiomemorymapcachemodedefault.md)
- [kIOMemoryMapCacheModeInhibit](driverkit/kiomemorymapcachemodeinhibit.md)
- [kIOMemoryMapCacheModeCopyback](driverkit/kiomemorymapcachemodecopyback.md)
- [kIOMemoryMapCacheModeWriteThrough](driverkit/kiomemorymapcachemodewritethrough.md)