• Before You Begin

• I/O Kit Features

• Design Principles of the I/O Kit

• Limitations of the I/O Kit

• Language Choice

• Using Namespaces in an I/O Kit Driver

• Using Static Constructors in an I/O Kit Driver

• The Parts of the I/O Kit

• Frameworks and Libraries

• Applications and Tools

• Other I/O Kit Resources

• Should You Program in the Kernel?

• When Code Should Reside in the Kernel

• Alternatives to Kernel-Resident Code

• Driver Layering

• Families and Drivers

• Drivers and Nubs

• The Anatomy of an I/O Connection

• The Runtime Environment of Device Drivers

• Runtime Features

• Kernel Programming Constraints

• The I/O Registry and the I/O Catalog

• Driver Matching

• The I/O Kit Class Hierarchy

• The OS Classes

• The General I/O Kit Classes

• The I/O Kit Family Classes

• Controlling Devices From Outside the Kernel

• The Device-Interface Mechanism

• POSIX Device Files

• I/O Registry Architecture and Construction

• The I/O Registry Explorer

• Driver Personalities and Matching Languages

• Driver Matching and Loading

• Driver Matching

• Device Probing

• Driver Loading

• Device Matching

• The libkern Base Classes

• Object Creation and Disposal (OSObject)

• Object Construction

• Object Retention and Disposal

• Runtime Type Information (OSMetaClass)

• Object Construction and Dynamic Allocation

• Type Casting, Object Introspection, and Class Information

• Defining C++ Classes in libkern

• The I/O Kit Base Classes

• Dynamic Driver Registration (IORegistryEntry)

• Basic Driver Behavior (IOService)

• Driver Object Life Cycle

• Driver Matching and Loading

• Driver Status Change

• Driver Shutdown

• Provider Matching

• Notification and Messaging

• Driver Accessors

• Other IOService Features

• Drivers and Families

• Families As Libraries

• Library Versioning

• Library Loading

• The Programmatic Structure of Families

• Typical Classes

• Naming and Coding Conventions

• Creating An I/O Kit Family

• Work Loops

• Work Loop Architecture

• Shared and Dedicated Work Loops

• Examples of Obtaining Work Loops

• Event Sources

• Handling Interrupts

• Interrupt Handling in the I/O Kit

• Setting Up an Interrupt Handler Attached to a Work Loop

• Filter Interrupt Event Sources

• Using Interrupt Handlers With No Work Loops

• Handling Timer Events

• I/O Requests and Command Gates

• Up Calls and Down Calls

• Setting Up and Using Command Gates

• Completion Chaining

• Handling I/O Transfers

• Memory Descriptors and Memory Cursors

• Memory in an I/O Request

• Issues With 64-Bit System Architectures

• Address Translation on 64-Bit System Architectures

• Supporting DMA on 64-Bit System Architectures

• Relaying I/O Requests

• More on Memory Descriptors

• More on Memory Cursors

• DMA and System Memory

• Dealing With Hardware Constraints

• IOMemoryCursor Subclasses

• Power Events

• The Power Plane: A Hierarchy of Power Dependencies

• Devices and Power States

• Deciding How to Implement Power Management in Your Driver

• Implementing Basic Power Management

• Implementing Advanced Power Management

• Defining and Using Multiple Power States

• Changing the Power State of a Device

• Responding to a Power State–Change Request

• Initiating a Power-State Change

• Implementing Idleness Determination and Idle Power Saving

• Receiving Notification of Power-State Changes in Other Devices

• Receiving Shutdown and Restart Notifications

• Keeping Power On for Future Device Attachment

• The Phases of Device Removal

• Making Drivers Inactive

• Clearing I/O Queues

• Detaching and Releasing Objects

• The following chart presents the class hierarchy of all I/O Kit classes that are not members of a specific family. See the preceding appendix, “I/O Kit Family Reference” for the class hierarchy charts of most families.

• System Internals

• Websites - Online Resources

• ADB

• ATA and ATAPI

• Audio

• FireWire

• Graphics

• A Note on NDRV Compatibility

• HID

• Network

• PC Card

• PCI and AGP

• SBP-2

• SCSI Parallel

• SCSI Architecture Model

• Serial

• Storage

• IOMedia Filter Schemes

• Partition Schemes

• IOMedia Properties

• Accessing IOMedia From Applications

• USB

• Devices Without I/O Kit Families

• Imaging Devices

• Digital Video

• Sequential Access Devices (Tape Drives)

• Telephony Devices

• Vendor-Specific Devices