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Writing Device Drivers     Oracle Solaris 11.1 Information Library
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Part I Designing Device Drivers for the Oracle Solaris Platform

1.  Overview of Oracle Solaris Device Drivers

2.  Oracle 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 Oracle 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

21.  SR-IOV Drivers

Part III Building a Device Driver

22.  Compiling, Loading, Packaging, and Testing Drivers

23.  Debugging, Testing, and Tuning Device Drivers

24.  Recommended Coding Practices

Part IV Appendixes

A.  Hardware Overview

B.  Summary of Oracle Solaris DDI/DKI Services

C.  Making a Device Driver 64-Bit Ready

D.  Console Frame Buffer Drivers

E.  pci.conf File


Chapter 3


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