| # Drivers |
| |
| Important: This section contains information that is specific to the new |
| version of the driver framework (DFv2). |
| |
| Drivers provide software interfaces for communicating with hardware (or virtual) |
| devices that are embedded in or connected to a system. In Fuchsia, drivers are |
| user-space [components][components]. Like any other Fuchsia component, a driver |
| is software that exposes and receives FIDL capabilities to and from other |
| components in the system. Using these FIDL calls, Fuchsia components interact |
| with drivers, which are bound to specific devices in the system. |
| |
| Similar to Fuchsia’s component framework, which manages Fuchsia components, the |
| [driver framework][driver-framework] manages the lifecycle and topology of |
| all devices (known as [nodes][nodes]) and drivers in a Fuchsia system. |
| |
| ## Table of contents |
| |
| * [**Driver framework (DFv2)**][driver-framework]: Explains the core concepts |
| and structure of Fuchsia's new driver framework. |
| * [**Comparison between DFv1 and DFv2**][dfv1-and-dfv2]: Compares the two |
| versions of Fuchsia's driver framework. |
| * [**Drivers and nodes**][nodes]: Explains the fundamental concepts of nodes, |
| which are the building blocks in DFv2. |
| * [**Driver binding**][driver-binding]: Explains the process of how the driver |
| manager matches and binds a driver to a node. |
| * [**Driver communication**][driver-communication]: Explains different |
| communication methods: driver-to-driver and non-driver-to-driver. |
| * [**Mapping a device's memory in a driver**][mapping-memory]: Explains |
| how a device's memory region is mapped in a driver host. |
| * [**Driver dispatcher and threads**][driver-dispatcher]: Explains how |
| dispatchers allow drivers to schedule asynchronous work on threads. |
| * [**Driver dispatcher performance**][driver-dispatcher-performance]: |
| Discusses performance aspects of a dispatcher's inlined and non-inlined |
| calls. |
| |
| To learn more about creating DFv2 drivers, see the |
| [**DFv2 driver development**][dfv2-overview] section. |
| |
| <!-- Reference links --> |
| |
| [components]: /docs/concepts/components/v2/README.md |
| [driver-framework]: driver_framework.md |
| [dfv1-and-dfv2]: comparison_between_dfv1_and_dfv2.md |
| [nodes]: drivers_and_nodes.md |
| [driver-binding]: driver_binding.md |
| [driver-communication]: driver_communication.md |
| [mapping-memory]: mapping-a-devices-memory-in-a-driver.md |
| [driver-dispatcher]: driver-dispatcher-and-threads.md |
| [driver-dispatcher-performance]: driver-dispatcher-performance.md |
| [dfv2-overview]: /docs/development/drivers/dfv2-overview.md |
