iommu/amd: Declare MSI and HT regions as reserved IOVA regions
This patch registers the MSI and HT regions as non mappable reserved regions. They will be exposed in the iommu-group sysfs. For direct-mapped regions let's also use iommu_alloc_resv_region(). Signed-off-by: NEric Auger <eric.auger@redhat.com> Signed-off-by: NWill Deacon <will.deacon@arm.com>
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