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Allocating and sharing memory with user space from an I/O Kit driver
(HTML)
( )
QA1197: Describes the preferred technique for allocating and sharing buffers in an I/O Kit kernel driver.
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Technical Q&As |
2008-10-13
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AudioCDSample
(HTML)
(DMG)
(ZIP)
Demonstrates how to discover audio CDs and access the TOC information presented by the CD-DA filesystem.
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Sample Code |
2005-10-04
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Boot Blocks
(HTML)
Deprecated - DV03: Warns that Boot Block form and function will change and describes undocumented Boot Blocks features.
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Technical Notes |
1987-03-01
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Booting after invoking the Open Firmware user interface
(HTML)
()
HW48: Tells how to boot a system after entering the Open Firmware user interface.
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Technical Q&As |
1999-02-15
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Building Universal I/O Kit Drivers
(HTML)
TN2163: How to build a universal I/O Kit kernel driver while avoiding common pitfalls.
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Technical Notes |
2008-08-18
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CD-ROM Detection
(HTML)
(DMG)
(ZIP)
Shows how to determine whether a drive is a CD-ROM drive.
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Sample Code |
2003-01-14
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CD-ROM Driver Calls
(HTML)
Deprecated - DV22: Discusses public interface to Apple CD-ROM driver and supersedes information in AppleCD SC Developer's Guide.
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Technical Notes |
2000-08-14
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CDROMSample
(HTML)
(DMG)
(ZIP)
Demonstrates how to find CD-ROM media and read sectors from that media on Mac OS X.
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Sample Code |
2006-01-31
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CustomMediaIcons
(HTML)
(DMG)
(ZIP)
Providing custom media icons for storage
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Sample Code |
2007-07-10
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Detecting a CD-ROM
(HTML)
()
DV18: Demonstrates CD-ROM drive detection.
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Technical Q&As |
1997-01-31
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Device File Access Guide for Storage Devices
(HTML)
(PDF)
Guidelines for using I/O Kit and POSIX functions to develop applications that communicate with storage devices.
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Guides |
2007-03-06
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Disk Arbitration Framework Reference
(HTML)
Describes Disc Arbitration API, which includes information on mount/unmount notification and dissent.
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Reference |
2008-04-08
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The dreaded "incompatible flag -framework" error
(HTML)
QA1096: Explains how to eliminate the incompatible flag -framework error in Project Builder.
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Technical Q&As |
2001-12-05
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Generating a Non-Maskable Interrupt (NMI)
(HTML)
()
QA1264: Explains how to generate a non-maskable interrupt (NMI) on modern Macintosh systems.
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Technical Q&As |
2008-10-13
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Getting a List of Drivers & LUNs (logical unit numbers)
(HTML)
Deprecated - DV04: Describes a legacy Mac OS technique for obtaining a list of SCSI Parallel drivers, devices, and LUNs.
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Technical Q&As |
1995-07-01
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I/O Kit Framework Reference
(HTML)
Describes the I/O Kit classes that support non-kernel access to I/O Kit objects through the device-interface mechanism.
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Reference |
2009-03-04
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Installing an I/O Kit KEXT Without Rebooting
(HTML)
QA1319: Describes the state of the art of installing I/O Kit kernel extensions (KEXTs) without requiring a restart.
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Technical Q&As |
2003-10-28
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IODeviceTree and the I/O Registry
(HTML)
()
QA1120: Describes the IODeviceTree plane in the Mac OS X I/O Registry.
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Technical Q&As |
2008-09-18
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IOKit Framework Headers
(HTML)
()
QA1107: Describes the differences between the headers in IOKit.framework and the I/O Kit headers in Kernel.framework.
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Technical Q&As |
2002-01-15
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Kernel Framework Reference
(HTML)
Describes the APIs and classes (including I/O Kit families) that support kernel-resident device drivers.
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Reference |
2009-01-06
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Legacy Devices
(HTML)
HW84: Discusses why legacy devices with hard-wired I/O addresses may not work properly with Open Firmware.
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Technical Q&As |
2000-03-20
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Mass Storage Device Driver Programming Guide
(HTML)
(PDF)
Background and task information about developing kernel-resident drivers for mass storage devices.
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Guides |
2007-04-03
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Multipathing with FibreChannel on Mac OS X
(HTML)
TN2173: An explanation on how FibreChannel multipathing works on Mac OS X and how to design storage hardware to take advantage of it
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Technical Notes |
2007-03-23
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The "packages" node in the device tree
(HTML)
HW90: Describes the "packages" node in the Open Firmware device tree.
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Technical Q&As |
2006-02-22
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Power Management; Policy Maker vs. Power Controller
(HTML)
()
QA1121: Describes the differences between a Power Management Policy Maker and a Power Management Power Controller.
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Technical Q&As |
2002-02-13
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Retain Counts of io_object_t Objects in IOKit.framework
(HTML)
()
QA1195: Distinguishes between the retain counts of an I/O Kit kernel object and its io_object_t user space proxy.
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Technical Q&As |
2008-09-24
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SampleFilterScheme
(HTML)
(DMG)
(ZIP)
Demonstrates a simple filter scheme which passes all operations through to its provider unchanged.
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Sample Code |
2006-01-03
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A SCSI little secret
(HTML)
HW81: Details what to expect when accessing the motherboard SCSI bus on the Blue & White G3.
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Technical Q&As |
1999-12-20
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SCSIHBAEmulator
(HTML)
(DMG)
(ZIP)
Demonstration of how to implement a virtual parallel tasking SCSI host bus adapter (HBA)
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Sample Code |
2007-02-20
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SCSIOldAndNew
(HTML)
(DMG)
(ZIP)
Demonstrates a backward-compatible technique for communicating with SCSI parallel devices on Mac OS X.
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Sample Code |
2006-12-07
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SDRAM Problems With Self-Powered USB Devices
(HTML)
()
HW82: Alerts that non-compliant, self-powered USB devices plugged into a G4, can cause problems with low-voltage-sensitive SDRAM .
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Technical Q&As |
2003-08-21
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Secrets of the GPT
(HTML)
TN2166: Describes the new partition map format used by Intel-based Macintosh computers.
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Technical Notes |
2006-11-06
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Sending SCSI or ATA commands to storage devices
(HTML)
()
QA1179: Explains that Mac OS X does not implement SCSI or ATA pass-through for many mass storage devices.
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Technical Q&As |
2005-05-10
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SimpleUserClient
(HTML)
(DMG)
(ZIP)
Shows how to create a user client for an I/O Kit kernel driver.
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Sample Code |
2008-08-27
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SMARTQuery
(HTML)
(DMG)
(ZIP)
Demonstration of how to access and use S.M.A.R.T. disk monitoring functionality
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Sample Code |
2007-05-30
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Understanding and Debugging Kernel Panics
(HTML)
()
TN2063: Addresses kernel panics: what they are and how to debug the code that caused the panic.
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Technical Notes |
2008-08-14
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USBPrivateDataSample
(HTML)
(DMG)
(ZIP)
Demonstrates notifications when a USB device is hotplugged and associating arbitrary data with each device.
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Sample Code |
2006-10-16
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VendorSpecificType00
(HTML)
(DMG)
(ZIP)
Demonstrates how to access vendor-specific storage device functionality using a simple interface from user space code.
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Sample Code |
2006-10-02
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VolumeToBSDNode
(HTML)
(DMG)
(ZIP)
Shows how to iterate across all mounted volumes and retrieve their BSD node names.
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Sample Code |
2006-10-16
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What are configuration variables in Open Firmware?
(HTML)
()
HW38: Defines the configuration variables in Open Firmware.
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Technical Q&As |
1999-02-15
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What are snag keys in Open Firmware?
(HTML)
()
HW35: Explains Open Firmware snag keys, including examples of their function.
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Technical Q&As |
1999-02-15
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Which Machines Support Driver Services Library and the MP Nanokernel?
(HTML)
()
HW63: Lists the systems that do and don't support the Driver Services Library and the MP Nanokernel.
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Technical Q&As |
1999-07-12
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Xserve G5 PCI Hardware RAID Card
(PDF)
Explains how to install the card in an Xserve G5 and how to set up a RAID volume.
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Guides |
2005-01-03
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Xserve G5 Using the Hardware RAID PCI Card
(PDF)
Explains how to use the software provided with the Hardware RAID PCI Card to configure and manage RAID operations.
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Guides |
2005-01-03
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Xserve RAID User's Guide
(PDF)
Explains how to install the Xserve RAID system, connect it to a host system, and configure RAID storage.
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Guides |
2005-01-03
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