iommu: iommu_get_group_resv_regions

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Introduce iommu_get_group_resv_regions whose role consists in
enumerating all devices from the group and collecting their
reserved regions. The list is sorted and overlaps between
regions of the same type are handled by merging the regions.

Signed-off-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Tomasz Nowicki <tomasz.nowicki@caviumnetworks.com>
Tested-by: Tomasz Nowicki <tomasz.nowicki@caviumnetworks.com>
Tested-by: Bharat Bhushan <bharat.bhushan@nxp.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>

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Eric Auger 2017-01-19 20:57:51 +00:00 • committed by Will Deacon

parent 544a25d904

commit 6c65fb318e

2 changed files with 106 additions and 0 deletions

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98

drivers/iommu/iommu.c

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8

include/linux/iommu.h

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