linux - linux

	Commit message (Collapse)	Author	Age	Files	Lines
*	iommu: Add iommu_error class event to iommu trace	Shuah Khan	2013-09-25	1	-0/+3
\| \| \| \| \| \| \| \| \| \| \| \|	iommu_error class event can be enabled to trigger when an iommu error occurs. This trace event is intended to be called to report the error information. Trace information includes driver name, device name, iova, and flags. iommu_error:io_page_fault Signed-off-by: Shuah Khan <shuah.kh@samsung.com> Signed-off-by: Joerg Roedel <joro@8bytes.org>
*	iommu: Add event tracing feature to iommu	Shuah Khan	2013-09-24	1	-0/+24
	Add tracing feature to iommu to report various iommu events. Classes iommu_group, iommu_device, and iommu_map_unmap are defined. iommu_group class events can be enabled to trigger when devices get added to and removed from an iommu group. Trace information includes iommu group id and device name. iommu:add_device_to_group iommu:remove_device_from_group iommu_device class events can be enabled to trigger when devices are attached to and detached from a domain. Trace information includes device name. iommu:attach_device_to_domain iommu:detach_device_from_domain iommu_map_unmap class events can be enabled to trigger when iommu map and unmap iommu ops. Trace information includes iova, physical address (map event only), and size. iommu:map iommu:unmap Signed-off-by: Shuah Khan <shuah.kh@samsung.com> Signed-off-by: Joerg Roedel <joro@8bytes.org>