SGI® Altix® Architecture Considerations for Linux® Device Drivers
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SGI® Altix® Architecture Considerations for Linux® Device Drivers
Document Number: 007-4763-001
Front Matter
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List of Figures
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Table of Contents
About This Guide
Related Resources
Obtaining Publications
Reader Comments
1.
Altix Architecture and Linux Device Drivers
Legacy Functionality
Special Architectural Considerations
Itanium 2 Processors and Altix System Addresses
System Physical Memory Addresses
Bus Addresses - PCI/PCI-X Buses
Programmable IO Read/Write Addresses
Device Driver Interrupt Registration - IRQs
Direct Memory Access Addresses (DMA)
Posted PIO write Calls
2.
Memory Operation Ordering on SGI Altix Systems
Memory Ordering
Release Semantics
Acquire Semantics
Memory Fencing
Index