• Does Your Driver Belong in the Kernel?

• What’s My Class?

• Workloops vs. Interrupt Handlers

• IOMemoryDescriptor vs. kvtophys

• C++ Driver Model

• Data Types

• ioctl Handling

• sysctl and syscall Handling

• Interrupt Priority Levels ( IPL/SPL) vs. IOLock Locks

• IOLog vs. multi-level logging

• Asynchronicity and Synchronous Returns

• timeout, sleep and untimeout

• Namespace Pollution

• Using Data Structures to Avoid Cross-Instance Namespace Pollution

• Using Macros to Avoid Cross-Driver Namespace Pollution

• Data Type Size Differences

• Handling C to C++ Callbacks