Messages in this thread | | | From | Yoder Stuart-B08248 <> | Subject | RE: [PATCH 1/4] iommu: Add iommu_device_group callback and iommu_group sysfs entry | Date | Thu, 1 Dec 2011 14:02:06 +0000 |
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> > That way the domain information is available generically (can be match > > with pci_domain_nr() for example), and sysfs can then be layed out as > > > > /sys/bus/pci/groups/<domain>/<id> > > > > Which is nicer than having enormous id's > > Seems fine to me (although I missed /sys/bus/pci/groups/ introduction), except that I think > the freescale folks aren't interested in PCI which is one reason why the thing is just an > opaque id.
We are interested in PCI, but non-PCI as well. All DMA devices, have a globally unique "logical I/O device number" (LIODN) which will map to a group # for us.
Stuart
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