/*
* iommu trace points
*
* Copyright (C) 2013 Shuah Khan <[email protected]>
*
*/
#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)
);

DECLARE_EVENT_CLASS(iommu_map_unmap,

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(int, size)
),

TP_fast_assign(
__entry->iova = iova;
__entry->paddr = paddr;
__entry->size = size;
),

TP_printk("IOMMU: iova=0x%016llx paddr=0x%016llx size=0x%x",
__entry->iova, __entry->paddr, __entry->size
)
);

DEFINE_EVENT(iommu_map_unmap, map,

TP_PROTO(unsigned long iova, phys_addr_t paddr, size_t size),

TP_ARGS(iova, paddr, size)
);

DEFINE_EVENT_PRINT(iommu_map_unmap, unmap,

TP_PROTO(unsigned long iova, phys_addr_t paddr, size_t size),

TP_ARGS(iova, paddr, size),

TP_printk("IOMMU: iova=0x%016llx size=0x%x",
__entry->iova, __entry->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>