24–28 Aug 2020
US/Pacific timezone

Allowing device drivers to enable PCI capabilities vs IOMMU

26 Aug 2020, 09:35
15m
Microconference2/Virtual-Room (LPC Virtual)

Microconference2/Virtual-Room

LPC Virtual

150
VFIO/IOMMU/PCI MC VFIO/IOMMU/PCI MC

Speakers

Ashok Raj Baolu Lu

Description

Current implementation allows IOMMU to automatically enable certain PCI features that require IOMMU co-ordination. For various reasons to ensure ordering etc. But new use cases such as Scalable IOV, and also a way to quirk behavior due to bugs could be managed on the device vs adding a certain quirk table and such. Provides more control to support new requirements from modern devices such as devices that support SIOV.

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