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Writing Device Drivers     Oracle Solaris 11.1 Information Library
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Document Information


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

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

Introduction to 64-Bit Driver Design

General Conversion Steps

Use Fixed-Width Types for Hardware Registers

Use Fixed-Width Common Access Functions

Check and Extend Use of Derived Types

Check Changed Fields in DDI Data Structures

buf Structure Changes


ddi_dma_cookie Structure Changes

csi_arq_status Structure Changes

scsi_pkt Structure Changes

Check Changed Arguments of DDI Functions

getrbuf() Argument Changes

drv_getparm() Argument Changes

delay() and timeout() Argument Changes

rmallocmap() and rmallocmap_wait() Argument Changes

scsi_alloc_consistent_buf() Argument Changes

uiomove() Argument Changes

cv_timedwait() and cv_timedwait_sig() Argument Changes

ddi_device_copy() Argument Changes

ddi_device_zero() Argument Changes

ddi_dma_mem_alloc() Argument Changes

Modify Routines That Handle Data Sharing

Data Sharing in ioctl()

Data Sharing in devmap()

Data Sharing in mmap()

Check Structures with 64-bit Long Data Types on x86-Based Platforms

Well Known ioctl Interfaces

Device Sizes

D.  Console Frame Buffer Drivers

E.  pci.conf File


Appendix C

Making a Device Driver 64-Bit Ready

This appendix provides information for device driver writers who are converting their device drivers to support the 64-bit kernel. It presents the differences between 32-bit and 64-bit device drivers and describes the steps to convert 32-bit device drivers to 64-bit. This information is specific to regular character and block device drivers only.

This appendix provides information on the following subjects: