What:		/sys/class/iommu/ummu.<x>/ummu_bypass_mpam/bp_partid
Date:		Oct 2025
KernelVersion:	6.6
Contact:	Jingbin Wu <wujingbin2@huawei.com>
Description:
		The partID value used by the MPAM function in the bypass UMMU
		scenario. Format: %x.

What:		/sys/class/iommu/ummu.<x>/ummu_bypass_mpam/bp_pmg
Date:		Oct 2025
KernelVersion:	6.6
Contact:	Jingbin Wu <wujingbin2@huawei.com>
Description:
		The PMG value used by the MPAM function in the bypass UMMU scenario.
		Format: %x.

What:		/sys/class/iommu/ummu.<x>/ummu_bypass_mpam/bp_run
Date:		Oct 2025
KernelVersion:	6.6
Contact:	Jingbin Wu <wujingbin2@huawei.com>
Description:
		After setting the bp_partid and bp_pmg values, write 1 to bp_run to
		apply these values to the UMMU device. These values define the IO
		regions that bypass the UMMU device in the bypass UMMU scenario.

What:		/sys/class/iommu/ummu.<x>/ummu_bypass_mpam/bp_mpam_info
Date:		Oct 2025
KernelVersion:	6.6
Contact:	Jingbin Wu <wujingbin2@huawei.com>
Description:
		Retrieve the currently active MPAM configuration from the UMMU device.
