Hardware Platform Interface
The Hardware Platform Interface (HPI) is an open specification that defines an application programming interface (API) for platform management of computer systems. The API supports tasks including reading temperature or voltage sensors built into a processor, configuring hardware registers, accessing system inventory information like model numbers and serial numbers, and performing more complex activities, such as upgrading system firmware or diagnosing system failures.
HPI is designed for use with fault-tolerant and modular high-availability computer systems, which typically include automatic fault detection features and hardware redundancy so that they can provide continuous Service Availability. Additional features common in hardware platforms used for high-availability applications include online serviceability and upgradeability via hot-swappable modules.
The HPI specification is developed and published by the Service Availability Forum (SA Forum) and made freely available to the public.
Read more about Hardware Platform Interface: History, HPI Architecture, Management Instruments, Resource-level Capabilities, Domain Functions, Hot-swap Management, Backward Compatibility, HPI To XTCA Mapping Specification, HPI Implementations
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