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Writing Device Drivers
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Part I Designing Device Drivers for the Solaris Platform

1.  Overview of Solaris Device Drivers

2.  Solaris Kernel and Device Tree

3.  Multithreading

Locking Primitives

Storage Classes of Driver Data

Mutual-Exclusion Locks

Setting Up Mutexes

Using Mutexes

Readers/Writer Locks


Thread Synchronization

Condition Variables in Thread Synchronization

Initializing Condition Variables

Waiting for the Condition

Signaling the Condition

cv_wait() and cv_timedwait() Functions

cv_wait_sig() Function

cv_timedwait_sig() Function

Choosing a Locking Scheme

Potential Locking Pitfalls

Threads Unable to Receive Signals

4.  Properties

5.  Managing Events and Queueing Tasks

6.  Driver Autoconfiguration

7.  Device Access: Programmed I/O

8.  Interrupt Handlers

9.  Direct Memory Access (DMA)

10.  Mapping Device and Kernel Memory

11.  Device Context Management

12.  Power Management

13.  Hardening Solaris Drivers

14.  Layered Driver Interface (LDI)

Part II Designing Specific Kinds of Device Drivers

15.  Drivers for Character Devices

16.  Drivers for Block Devices

17.  SCSI Target Drivers

18.  SCSI Host Bus Adapter Drivers

19.  Drivers for Network Devices

20.  USB Drivers

Part III Building a Device Driver

21.  Compiling, Loading, Packaging, and Testing Drivers

22.  Debugging, Testing, and Tuning Device Drivers

23.  Recommended Coding Practices

Part IV Appendixes

A.  Hardware Overview

B.  Summary of Solaris DDI/DKI Services

C.  Making a Device Driver 64-Bit Ready

D.  Console Frame Buffer Drivers


Chapter 3


This chapter describes the locking primitives and thread synchronization mechanisms of the Solaris multithreaded kernel. You should design device drivers to take advantage of multithreading. This chapter provides information on the following subjects: