iommu/amd: Manage iommu_group for ACPI HID devices

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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>

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Wan Zongshun 2016-04-01 09:06:04 -04:00 • committed by Joerg Roedel

parent 2bf9a0a127

commit b097d11a0f

1 changed files with 32 additions and 1 deletions

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drivers/iommu/amd_iommu.c

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