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Writing Device Drivers

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Solaris 2.4 Driver Developer AnswerBook

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Writing Device Drivers

Cover
Credits
Contents
Figures
Tables
Preface
1 Overview of the SunOS Kernel
- What is the Kernel?
- Multithreading
- Virtual Memory
- Special Files
- Dynamic Loading of Kernel Modules
- Overview of the Solaris 2.x DDI/DKI
2 Hardware Overview
- SPARC Processor Issues
- x86 Processor Issues
- System Memory Model
- SPARC Memory Model
- Bus Architectures
- Bus Specifics
- Device Issues
- The PROM on SPARC Machines
- Reading and Writing
3 Overview of SunOS Device Drivers
- What is a Device Driver?
- Types of Device Drivers
- Device Issues
- Driver Interfaces
- Callback functions
- Interrupt Handling
- Driver Context
- Printing Messages
- Dynamic Memory Allocation
- Software State Management
- Properties
- Driver Layout
- The C Language and Compiler Modes
4 Multithreading
- Threads
- Multiprocessing Changes Since SunOS 4.x
- Locking Primitives
- Thread Synchronization
- Choosing a Locking Scheme
5 Autoconfiguration
- Overview
- State Structure
- Data Structures
- Device Configuration
6 Interrupt Handlers
- Overview
- Types of Interrupts
- Registering Interrupts
- Responsibilities of an Interrupt Handler
- State Structure
- Handling High-Level Interrupts
7 DMA
- The DMA Model
- Types of Device DMA
- DMA and DVMA
- Handles, Windows, Segments and Cookies
- DMA Operations
- Cancelling DMA Callbacks
- Synchronizing Memory Objects
- Allocating Private DMA Buffers
8 Drivers for Character Devices
- Entry Points
- Autoconfiguration
- Controlling Device Access
- I/O Request Handling
- Mapping Device Memory
- Multiplexing I/O on File Descriptors
- Miscellaneous I/O Control
9 Drivers for Block Devices
- File I/O
- State Structure
- Entry Points
- Autoconfiguration
- Controlling Device Access
- Data Transfers
- Synchronous Data Transfers
- Asynchronous Data Transfers
- Miscellaneous Entry Points
10 SCSI Target Drivers
- Overview
- Reference Documents
- Sun Common SCSI Architecture Overview
- SCSA Functions
- SCSA Compatibility Functions
- SCSI Target Drivers
- Building and Transporting a Command
11 Device Context Management
- What Is A Device Context?
- Context Management Model
- Context Management Operation
12 Loading and Unloading Drivers
- Preparing for Installation
- Installing and Removing Drivers
- Removing the Driver
- Loading Drivers
- Getting the Driver Module's ID
- Unloading Drivers
13 Debugging
- Machine Configuration
- Coding Hints
- Using Existing Drivers
- Debugging Tools
- Testing
A Converting a Device Driver to SunOS 5.4
- Before Starting the Conversion
- Development Environment
- Overview of Changes
- Conversion Notes
B Advanced Topics
- Multithreading
- Sun Disk Device Drivers
- SCSA
C Summary of Solaris 2.4 DDI/DKI Services
- buf (9S) Handling
- Copying Data
- Device Access
- Device Configuration
- Device Information
- DMA Handling
- Flow of Control
- Interrupt Handling
- Kernel Statistics
- Memory Allocation
- Polling
- Printing System Messages
- Process Signaling
- Properties
- Register and Memory Mapping
- I/O Port Access
- SCSI and SCSA
- Soft State Management
- String Manipulation
- System Information
- Thread Synchronization
- Timing
- uio (9S) Handling
- Utility Functions
D Sample Driver Source Code Listings
Index