tree 1417afde67742fdf8fa8c14d66ea7aea6a8c53b8
parent 2bf9a0a12749b2c45964020795859d4a1f228a1d
author Wan Zongshun <Vincent.Wan@amd.com> 1459515964 -0400
committer Joerg Roedel <jroedel@suse.de> 1460028582 +0200

iommu/amd: Manage iommu_group for ACPI HID devices

This patch creates a new function for finding or creating an IOMMU
group for acpihid(ACPI Hardware ID) device.

The acpihid devices with the same devid will be put into same group and
there will have the same domain id and share the same page table.

Signed-off-by: Wan Zongshun <Vincent.Wan@amd.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>