PCI: Cache PRI and PASID bits in pci_dev

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Device drivers need to check if an IOMMU enabled ATS, PRI and PASID in
order to know when they can use the SVM API.  Cache PRI and PASID bits in
the pci_dev structure, similarly to what is currently done for ATS.

Signed-off-by: Jean-Philippe Brucker <jean-philippe.brucker@arm.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>

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Jean-Philippe Brucker 2017-05-30 09:25:48 -07:00 • committed by Bjorn Helgaas

parent 2ea659a9ef

commit a4f4fa681a

2 changed files with 25 additions and 0 deletions

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23

drivers/pci/ats.c

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2

include/linux/pci.h

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