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Julien Grall authored
Add IOMMU helpers to support device tree assignment/deassignment. This patch introduces 2 new fields in the dt_device_node: - is_protected: Does the device is protected by an IOMMU - domain_list: Pointer to the next device assigned to the same domain This commit contains only support to protected a device with DOM0. Device passthrough to another guest won't work out-of-box. Signed-off-by: Julien Grall <julien.grall@linaro.org> Acked-by: Jan Beulich <jbeulich@suse.com> Acked-by: Ian Campbell <ian.campbell@citrix.com> Cc: Xiantao Zhang <xiantao.zhang@intel.com>
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