1# full\_uhdf<a name="EN-US_TOPIC_0000001138458641"></a> 2 3- [Introduction](#section11660541593) 4- [Directory Structure](#section161941989596) 5- [Repositories Involved](#section1371113476307) 6 7## Introduction<a name="section11660541593"></a> 8 9This repository stores the code and compilation scripts for the user-mode Hardware Driver Foundation \(HDF\) of the OpenHarmony driver subsystem and provides basic capabilities for the HDF. 10 11## Directory Structure<a name="section161941989596"></a> 12 13``` 14/drivers/hdf_core/adapter/uhdf2 15├── config # Configuration parsing module 16├── hdi # Driver HDIs 17├── host # Host environment module 18├── include # Header files 19├── ipc # IPC module 20├── manager # Management module 21├── osal # Compilation scripts for adapting to the POSIX APIs 22├── security # Security module 23└── shared # Code shared by the host and manager modules 24``` 25 26## Repositories Involved<a name="section1371113476307"></a> 27 28[Driver subsystem](https://gitee.com/openharmony/docs/blob/master/en/readme/driver.md) 29 30[drivers\_framework](https://gitee.com/openharmony/drivers_framework/blob/master/README.md) 31 32[drivers\_adapter](https://gitee.com/openharmony/drivers_adapter/blob/master/README.md) 33 34[drivers\_adapter\_khdf\_linux](https://gitee.com/openharmony/drivers_adapter_khdf_linux/blob/master/README.md) 35 36