AIX Version 4.3 Kernel Extensions and Device Support Programming Concepts

<BODY BGCOLOR="FCFBF0"> <CENTER> <FONT COLOR="#A62A2A" SIZE="+2"> </FONT> </CENTER> <HR> <H1><a href="edition.htm#A3709082916vang">First Edition (October 1997)</a></H1> <H1><a href="trademar.htm#ZWHNp23bstue">Trademarks and Acknowledgements</a></H1> <H1><a href="about.htm#C34726D206sylv">About This Book</a></H1> <H1><a href="kernenvi.htm#A23C0f19a">Chapter 1. Kernel Environment</a></H1> <H2><a href="kernexbi.htm#A23C0f1a0">Understanding Kernel Extension Binding</a></H2> <H2><a href="execenvi.htm#A23C0f1d3">Understanding Execution Environments</a></H2> <H2><a href="kernthre.htm#w2PAjbbmanu">Understanding Kernel Threads</a></H2> <H2><a href="kernproc.htm#A23C0f21f">Using Kernel Processes</a></H2> <H2><a href="usermode.htm#A23C0f21c">Accessing User-Mode Data While in Kernel Mode</a></H2> <H2><a href="locking.htm#xpM180chri">Understanding Locking</a></H2> <H2><a href="exceptio.htm#A23C0f1e1">Understanding Exception Handling</a></H2> <H2><a href="64bitker.htm#816971354sls">64-bit Kernel Extension Development </a></H2> <H1><a href="systemca.htm#YRK1350chri">Chapter 2. System Calls</a></H1> <H2><a href="syscalle.htm#xIj270chri">Understanding System Call Execution</a></H2> <H2><a href="syscallt.htm#A68C017254">System Calls Available to Kernel Extensions</a></H2> <H1><a href="virtualf.htm#A26C01021c">Chapter 3. Virtual File Systems</a></H1> <H2><a href="logicalf.htm#A26C01022c">Logical File System Overview</a></H2> <H2><a href="virtualg.htm#A26C010241">Virtual File System Overview</a></H2> <H2><a href="datastru.htm#A26C0102a4">Understanding Data Structures and Header Files for Virtual File Systems</a></H2> <H2><a href="configvi.htm#A10C0b01d">Configuring a Virtual File System</a></H2> <H1><a href="kernsvcs.htm#eOg1b0jean">Chapter 4. Kernel Services</a></H1> <H2><a href="iokernsv.htm#A8eKc0jean">I/O Kernel Services</a></H2> <H2><a href="blockioc.htm#qoT370chri">Block I/O Buffer Cache Kernel Services: Overview</a></H2> <H2><a href="interrup.htm#A7C0a521">Understanding Interrupts</a></H2> <H2><a href="dmatrans.htm#A71C0177a6">Understanding DMA Transfers</a></H2> <H2><a href="kernexdd.htm#VbK320jean">Kernel Extension and Device Driver Management Kernel Services</a></H2> <H2><a href="lockkern.htm#KtGHibthom">Locking Kernel Services</a></H2> <H2><a href="fdescrip.htm#D73A6D9151emil">File Descriptor Management Services</a></H2> <H2><a href="logicalg.htm#cfK240jean">Logical File System Kernel Services</a></H2> <H2><a href="memoryke.htm#A339C966a4">Memory Kernel Services</a></H2> <H2><a href="virtualm.htm#A91C019ceb">Understanding Virtual Memory Manager Interfaces</a></H2> <H2><a href="msgqueue.htm#q0ifrz4jean">Message Queue Kernel Services</a></H2> <H2><a href="networkk.htm#A7SZ20jean">Network Kernel Services</a></H2> <H2><a href="procexce.htm#A339C966ad">Process and Exception Management Kernel Services</a></H2> <H2><a href="raskerns.htm#JSx270jean">RAS Kernel Services</a></H2> <H2><a href="security.htm#A283X918fb">Security Kernel Services</a></H2> <H2><a href="timertod.htm#mcI0chris">Timer and Time-of-Day Kernel Services</a></H2> <H2><a href="finegran.htm#A275X9361f">Using Fine Granularity Timer Services and Structures</a></H2> <H2><a href="multipro.htm#nT4Ci32fthom">Using Multiprocessor-Safe Timer Services</a></H2> <H2><a href="vfskerns.htm#vcK100jean">Virtual File System (VFS) Kernel Services</a></H2> <H1><a href="asyncios.htm#kVuPp3d1stue">Chapter 5. Asynchronous I/O Subsystem</a></H1> <H1><a href="deviceco.htm#A4d56110chri">Chapter 6. Device Configuration Subsystem</a></H1> <H2><a href="devicecp.htm#A2sI80jean">Device Configuration Database Overview</a></H2> <H2><a href="devicecq.htm#uyI370jean">Basic Device Configuration Procedures Overview</a></H2> <H2><a href="devconfi.htm#A2fI3a0jean">Device Configuration Manager Overview</a></H2> <H2><a href="devsubcl.htm#nCI310jean">Device Classes, Subclasses, and Types Overview</a></H2> <H2><a href="writdevm.htm#A49C013b8e">Writing a Device Method</a></H2> <H2><a href="devmetho.htm#A86C0194a6">Understanding Device Methods Interfaces</a></H2> <H2><a href="devstate.htm#A86C01949a">Understanding Device States</a></H2> <H2><a href="addunsup.htm#A4ce280jean">Adding an Unsupported Device to the System</a></H2> <H2><a href="devchild.htm#A87C0196ab">Understanding Device Dependencies and Child Devices</a></H2> <H2><a href="accessde.htm#A86C0194cf">Accessing Device Attributes</a></H2> <H2><a href="ddsover.htm#A8Bg1160mary">Device Dependent Structure (DDS) Overview</a></H2> <H2><a href="lsdevcon.htm#A234X9159">List of Device Configuration Commands</a></H2> <H2><a href="lsdevcoo.htm#A227X922d">List of Device Configuration Subroutines</a></H2> <H1><a href="commiosu.htm#A2C0974f">Chapter 7. Communications I/O Subsystem</a></H1> <H2><a href="commphys.htm#A12C0bb35">Communications Physical Device Handler Model Overview</a></H2> <H2><a href="statcomm.htm#A7C0a68a">Status Blocks for Communications Device Handlers Overview</a></H2> <H2><a href="mpqpdevh.htm#A14C0c2f7">MPQP Device Handler Interface Overview</a></H2> <H2><a href="serialop.htm#hZt11donna">Serial Optical Link Device Handler Overview</a></H2> <H2><a href="configse.htm#A4423karen">Configuring the Serial Optical Link Device Driver</a></H2> <H2><a href="forumcom.htm#A2ECE008394joyc">Forum-Compliant ATM LAN Emulation Device Driver</a></H2> <H2><a href="fddidd.htm#E54E1E8965virg">Fiber Distributed Data Interface (FDDI) Device Driver</a></H2> <H2><a href="hp8fc8to.htm#hJaNk126virg">High-Performance (8fc8) Token-Ring Device Driver</a></H2> <H2><a href="hp8fa2to.htm#A2rAQk385virg">High-Performance (8fa2) Token-Ring Device Driver</a></H2> <H2><a href="pcitoken.htm#gevBm130joyc">PCI Token-Ring High Performance (14101800) Device Driver</a></H2> <H2><a href="ethernet.htm#GnAQk263virg">Ethernet High-Performance LAN Adapter, Integrated Ethernet, 10/100 Mbps Ethernet TX MCA, and PCI Ethernet Device Drivers</a></H2> <H1><a href="graphici.htm#A1xhJj357bob">Chapter 8. Graphic Input Devices Subsystem</a></H1> <H1><a href="lowfunct.htm#CF14BF7988judy">Chapter 9. Low Function Terminal Subsystem</a></H1> <H2><a href="lowfuncu.htm#D934A6F558stew">Low Function Terminal Interface Functional Description </a></H2> <H2><a href="componlo.htm#D934A74173stew">Components Affected by the Low Function Terminal Interface</a></H2> <H2><a href="accented.htm#A354C988d8">Accented Characters</a></H2> <H1><a href="logivalv.htm#A156C11f">Chapter 10. Logical Volume Subsystem</a></H1> <H2><a href="logicalv.htm#A156C174">Understanding the Logical Volume Device Driver</a></H2> <H2><a href="logvolba.htm#A156C1bf">Understanding Logical Volumes and Bad Blocks</a></H2> <H2><a href="mwccent.htm#A156C1df">Changing the mwcc_entries Variable</a></H2> <H1><a href="printerm.htm#ujY2a0jean">Chapter 11. Printer Addition Management Subsystem</a></H1> <H2><a href="newprint.htm#eVbe0jean">Adding a New Printer Type to Your System</a></H2> <H2><a href="printerd.htm#g1d20jean">Adding a Printer Definition</a></H2> <H2><a href="printfor.htm#tyb300jean">Adding a Printer Formatter to the Printer Backend</a></H2> <H2><a href="prtembed.htm#M1e6250chri">Understanding Embedded References in Printer Attribute Strings</a></H2> <H1><a href="smsysint.htm#A3DE07B7673janb">Chapter 12. Small Computer System Interface Subsystem</a></H1> <H2><a href="scsisubs.htm">SCSI Subsystem Overview</a></H2> <H2><a href="scsiasyn.htm#A143C1242">Understanding SCSI Asynchronous Event Handling</a></H2> <H2><a href="scsierro.htm#A24C0f54a">SCSI Error Recovery</a></H2> <H2><a href="scsitran.htm#A24C0f571">A Typical Initiator-Mode SCSI Driver Transaction Sequence</a></H2> <H2><a href="scsiddcm.htm#A24C0f54f">Understanding SCSI Device Driver Internal Commands</a></H2> <H2><a href="execiore.htm#A25C0fd96">Understanding the Execution of Initiator I/O Requests</a></H2> <H2><a href="scsicmdt.htm#A9FDC7E3430raga">SCSI Command Tag Queuing</a></H2> <H2><a href="scbuf.htm#DlM2320chri">Understanding the sc_buf Structure</a></H2> <H2><a href="scsidesi.htm#A24C0f578">Other SCSI Design Considerations</a></H2> <H2><a href="scsitarg.htm#A140C1938">SCSI Target-Mode Overview</a></H2> <H2><a href="scsiddio.htm#A24C0f553">Required SCSI Adapter Device Driver ioctl Commands</a></H2> <H1><a href="idesubsy.htm#F953B39893joyc">Chapter 13. Integrated Device Electronics (IDE) Subsystem</a></H1> <H2><a href="ideerror.htm#F953B46282joyc">IDE Error Recovery</a></H2> <H2><a href="idetrans.htm#F953B52322joyc">A Typical IDE Driver Transaction Sequence</a></H2> <H2><a href="ideddcmd.htm#F953B5E185joyc">IDE Device Driver Internal Commands</a></H2> <H2><a href="execiorf.htm#F953B6A214joyc">Execution of I/O Requests</a></H2> <H2><a href="ataidebu.htm#F953B76774joyc">ataide_buf Structure</a></H2> <H2><a href="idedesig.htm#F953B84925joyc">Other IDE Design Considerations</a></H2> <H2><a href="ideddioc.htm#F953B92565joyc">Required IDE Adapter Device Driver ioctl Commands</a></H2> <H1><a href="serialdi.htm#dasdkm1">Chapter 14. Serial Direct Access Storage Device Subsystem</a></H1> <H1><a href="debugtoo.htm#A5y7nh36dmary">Chapter 15. Debugging Tools</a></H1> <H2><a href="sysdump.htm#Yy7nh2cemary">System Dump</a></H2> <H2><a href="crashcmd.htm#dy7nha3mary">The crash Command</a></H2> <H2><a href="kerndebu.htm#fy7nh3c4mary">Kernel Debug Program</a></H2> <H2><a href="kerndebv.htm#E440C58384virg">Kernel Debug Program Commands</a></H2> <H2><a href="mapstool.htm#BFBE904363joy">Maps and Listings as Tools for the Kernel Debug Program</a></H2> <H2><a href="usekernd.htm#ec8Pf1a3smil">Using the Kernel Debug Program</a></H2> <H2><a href="errormsg.htm#A334F0a3">Error Messages for the Kernel Debug Program</a></H2> <H2><a href="errorlog.htm#jy7nh2f1mary">Error Logging</a></H2> <H2><a href="debugper.htm#ny7nhd4mary">Debug and Performance Tracing</a></H2> <H2><a href="mods.htm#911971500sls">Memory Overlay Detection System (MODS)</a></H2> <H1><a href="lskernsv.htm#CoH3e0chri">Appendix A. Alphabetical List of Kernel Services</a></H1>