iommu/intel: Implement iommu_device_group

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We generally have BDF granularity for devices, so we just need
to make sure devices aren't hidden behind PCIe-to-PCI bridges.
We can then make up a group number that's simply the concatenated
seg|bus|dev|fn so we don't have to track them (not that users
should depend on that).

Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Acked-By: David Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>

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Alex Williamson 2011-10-21 15:56:11 -04:00 • committed by Joerg Roedel

parent 1460432cb5

commit 70ae6f0d55

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drivers/iommu/intel-iommu.c

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