diff options
Diffstat (limited to 'drivers/iommu')
| -rw-r--r-- | drivers/iommu/Makefile | 1 | ||||
| -rw-r--r-- | drivers/iommu/iommu-traces.c | 24 | ||||
| -rw-r--r-- | drivers/iommu/iommu.c | 1 |
3 files changed, 26 insertions, 0 deletions
diff --git a/drivers/iommu/Makefile b/drivers/iommu/Makefile index 14c1f47..5d58bf1 100644 --- a/drivers/iommu/Makefile +++ b/drivers/iommu/Makefile @@ -1,4 +1,5 @@ obj-$(CONFIG_IOMMU_API) += iommu.o +obj-$(CONFIG_IOMMU_API) += iommu-traces.o obj-$(CONFIG_OF_IOMMU) += of_iommu.o obj-$(CONFIG_MSM_IOMMU) += msm_iommu.o msm_iommu_dev.o obj-$(CONFIG_AMD_IOMMU) += amd_iommu.o amd_iommu_init.o diff --git a/drivers/iommu/iommu-traces.c b/drivers/iommu/iommu-traces.c new file mode 100644 index 0000000..a2af60f --- /dev/null +++ b/drivers/iommu/iommu-traces.c @@ -0,0 +1,24 @@ +/* + * iommu trace points + * + * Copyright (C) 2013 Shuah Khan <shuah.kh@samsung.com> + * + */ + +#include <linux/string.h> +#include <linux/types.h> + +#define CREATE_TRACE_POINTS +#include <trace/events/iommu.h> + +/* iommu_group_event */ +EXPORT_TRACEPOINT_SYMBOL_GPL(add_device_to_group); +EXPORT_TRACEPOINT_SYMBOL_GPL(remove_device_from_group); + +/* iommu_device_event */ +EXPORT_TRACEPOINT_SYMBOL_GPL(attach_device_to_domain); +EXPORT_TRACEPOINT_SYMBOL_GPL(detach_device_from_domain); + +/* iommu_map_unmap */ +EXPORT_TRACEPOINT_SYMBOL_GPL(map); +EXPORT_TRACEPOINT_SYMBOL_GPL(unmap); diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c index fbe9ca7..58f6a16 100644 --- a/drivers/iommu/iommu.c +++ b/drivers/iommu/iommu.c @@ -29,6 +29,7 @@ #include <linux/idr.h> #include <linux/notifier.h> #include <linux/err.h> +#include <trace/events/iommu.h> static struct kset *iommu_group_kset; static struct ida iommu_group_ida; |