DriverKit

1. Essentials

   Covers Implementing drivers, system extensions, and kexts, Creating drivers for iPadOS.

2. Entitlements

   Covers Requesting Entitlements for DriverKit Development, com.apple.developer.driverkit, com.apple.developer.driverkit.userclient-access, com.apple.developer.driverkit.allow-any-userclient-access.

3. Samples

   Covers DriverKit sample code.

4. Services

   Covers Creating a Driver Using the DriverKit SDK, Debugging and testing system extensions, IOService.

5. Event management

   Covers IODispatchQueue, IOInterruptDispatchSource, IOTimerDispatchSource, IODataQueueDispatchSource.

6. Memory management

   Covers IOBufferMemoryDescriptor, IOMemoryDescriptor, IOMemoryMap, Memory Utilities.

7. Registry data types

   Covers OSArray, OSDictionary, OSBoolean, OSData.

8. External drivers

   Covers IOUserClient, IOUserServer, com.apple.developer.driverkit.userclient-access, Communicating between a DriverKit extension and a client app.

9. Runtime support

   Covers OSDynamicCast, OSRequiredCast, IMPL, TYPE.

10. Classes

    Covers IOHistogramReporter, IOReportLegend, IOReporter, IOServiceStateNotificationDispatchSource.

11. Reference

    Covers DriverKit Structures, DriverKit Enumerations, DriverKit Constants, DriverKit Functions.

12. Macros

    Covers Macros, IOKIT, IOPhysSize, IOPhysical32.

Each section links to the official page. Titles and summaries by Extra Credit; the docs belong to their authors.

• DiskImageKit System
• Dispatch System
• Distributed App Frameworks
• dnssd System
• DocC Developer Tools
• DockKit App Services
• Endpoint Security System
• EnergyKit App Frameworks
• Enterprise Program API Developer Tools
• Evaluations App Frameworks
• EventKit App Services
• EventKit UI App Services