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/*
* iommu trace points
*
* Copyright (C) 2013 Shuah Khan <shuah.kh@samsung.com>
*
*/
#undef TRACE_SYSTEM
#define TRACE_SYSTEM iommu
#if !defined(_TRACE_IOMMU_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_IOMMU_H
#include <linux/tracepoint.h>
#include <linux/pci.h>
struct device;
DECLARE_EVENT_CLASS(iommu_group_event,
TP_PROTO(int group_id, struct device *dev),
TP_ARGS(group_id, dev),
TP_STRUCT__entry(
__field(int, gid)
__string(device, dev_name(dev))
),
TP_fast_assign(
__entry->gid = group_id;
__assign_str(device, dev_name(dev));
),
TP_printk("IOMMU: groupID=%d device=%s",
__entry->gid, __get_str(device)
)
);
DEFINE_EVENT(iommu_group_event, add_device_to_group,
TP_PROTO(int group_id, struct device *dev),
TP_ARGS(group_id, dev)
);
DEFINE_EVENT(iommu_group_event, remove_device_from_group,
TP_PROTO(int group_id, struct device *dev),
TP_ARGS(group_id, dev)
);
DECLARE_EVENT_CLASS(iommu_device_event,
TP_PROTO(struct device *dev),
TP_ARGS(dev),
TP_STRUCT__entry(
__string(device, dev_name(dev))
),
TP_fast_assign(
__assign_str(device, dev_name(dev));
),
TP_printk("IOMMU: device=%s", __get_str(device)
)
);
DEFINE_EVENT(iommu_device_event, attach_device_to_domain,
TP_PROTO(struct device *dev),
TP_ARGS(dev)
);
DEFINE_EVENT(iommu_device_event, detach_device_from_domain,
TP_PROTO(struct device *dev),
TP_ARGS(dev)
);
TRACE_EVENT(map,
TP_PROTO(unsigned long iova, phys_addr_t paddr, size_t size),
TP_ARGS(iova, paddr, size),
TP_STRUCT__entry(
__field(u64, iova)
__field(u64, paddr)
__field(size_t, size)
),
TP_fast_assign(
__entry->iova = iova;
__entry->paddr = paddr;
__entry->size = size;
),
TP_printk("IOMMU: iova=0x%016llx paddr=0x%016llx size=%zu",
__entry->iova, __entry->paddr, __entry->size
)
);
TRACE_EVENT(unmap,
TP_PROTO(unsigned long iova, size_t size, size_t unmapped_size),
TP_ARGS(iova, size, unmapped_size),
TP_STRUCT__entry(
__field(u64, iova)
__field(size_t, size)
__field(size_t, unmapped_size)
),
TP_fast_assign(
__entry->iova = iova;
__entry->size = size;
__entry->unmapped_size = unmapped_size;
),
TP_printk("IOMMU: iova=0x%016llx size=%zu unmapped_size=%zu",
__entry->iova, __entry->size, __entry->unmapped_size
)
);
DECLARE_EVENT_CLASS(iommu_error,
TP_PROTO(struct device *dev, unsigned long iova, int flags),
TP_ARGS(dev, iova, flags),
TP_STRUCT__entry(
__string(device, dev_name(dev))
__string(driver, dev_driver_string(dev))
__field(u64, iova)
__field(int, flags)
),
TP_fast_assign(
__assign_str(device, dev_name(dev));
__assign_str(driver, dev_driver_string(dev));
__entry->iova = iova;
__entry->flags = flags;
),
TP_printk("IOMMU:%s %s iova=0x%016llx flags=0x%04x",
__get_str(driver), __get_str(device),
__entry->iova, __entry->flags
)
);
DEFINE_EVENT(iommu_error, io_page_fault,
TP_PROTO(struct device *dev, unsigned long iova, int flags),
TP_ARGS(dev, iova, flags)
);
#endif /* _TRACE_IOMMU_H */
/* This part must be outside protection */
#include <trace/define_trace.h>
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