Chapter 9: Device Driver/Kernel Interface

• "Important Data Types" describes the data types that are exchanged between the kernel and a driver.

• "Important Header Files" summarizes the C header files that are frequently included in a driver source file.

• "Memory Allocation" describes the kernel functions for general memory allocation, for allocation of objects of specific types, and for resource suballocation.

• "Transferring Data" describes the functions for transferring data between a driver and a buffer in the address space of either the kernel or a user process.

• "Managing Virtual and Physical Addresses" discusses the translation from virtual to physical storage locations for DMA.

• "User Process Administration" discusses process signalling and authentication.

• "Waiting and Mutual Exclusion" describes and summarizes a wide array of functions you can use for those purposes.

Debugging and logging	Chapter 11, "Testing and Debugging a Driver."
EISA Bus	Chapter 17, "EISA Device Drivers"
GIO Bus	Chapter 18, "GIO Device Drivers"
PIO bus	(((nonexistent Chap 19 -- next release)))
SCSI bus	Chapter 15, "SCSI Device Drivers"
STREAMS drivers	Chapter 19, "STREAMS Drivers"
VME bus	Chapter 14, "Services for VME Drivers"

Important Data Types

Important Header Files

Memory Allocation

Transferring Data

Managing Virtual and Physical Addresses

User Process Administration

Waiting and Mutual Exclusion