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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

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)

LDI Overview

Kernel Interfaces

Layered Identifiers - Kernel Device Consumers

Layered Driver Handles - Target Devices

Opening and Closing Target Devices

Accessing Target Devices

Retrieving Target Device Information

Retrieving Target Device Property Values

Receiving Asynchronous Device Event Notification

LDI Kernel Interfaces Example

Device Configuration File

Driver Source File

How to Build and Load the Layered Driver

Test the Layered Driver

User Interfaces

Device Information Library Interfaces

Print System Configuration Command Interfaces

Device User Command Interfaces

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 14

Layered Driver Interface (LDI)

The LDI is a set of DDI/DKI that enables a kernel module to access other devices in the system. The LDI also enables you to determine which devices are currently being used by kernel modules.

This chapter covers the following topics: