February 2003
Intermediate to advanced
592 pages
11h 47m
English
Content preview from HyperTransport™ System Architecture
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Discovering a Device's Interrupt Requirements
HT defines an interrupt capability block as illustrated in Figure 8-1 on page 201. The presence of the capability block in configuration space indicates that the HT device uses interrupts. This block, named the Interrupt Discovery and Configuration Capability block, defines the number of interrupt sources each HyperTransport technology function can generate. This block also allows software to configure each interrupt independently.
Figure 8-1. Interrupt Capability Block Indicates that the Device Supports Interrupts
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