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Writing Device Drivers     Oracle Solaris 11 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

4.  Properties

5.  Managing Events and Queueing Tasks

6.  Driver Autoconfiguration

Driver Loading and Unloading

Data Structures Required for Drivers

modlinkage Structure

modldrv Structure

dev_ops Structure

cb_ops Structure

Loadable Driver Interfaces

_init() Example

_fini() Example

_info() Example

Device Configuration Concepts

Device Instances and Instance Numbers

Minor Nodes and Minor Numbers

probe() Entry Point

attach() Entry Point

Driver Soft-State Management

Lock Variable and Conditional Variable Initialization

Creating Minor Device Nodes

Deferred Attach

detach() Entry Point

getinfo() Entry Point

Using Device IDs

Registering Device IDs

Registering a Device-Supplied ID

Registering a Fabricated ID

Unregistering Device IDs

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 6

Driver Autoconfiguration

Autoconfiguration means the driver loads code and static data into memory. This information is then registered with the system. Autoconfiguration also involves attaching individual device instances that are controlled by the driver.

This chapter provides information on the following subjects: