Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / include / trace / events / iommu.h

diff --git a/kernel/include/trace/events/iommu.h b/kernel/include/trace/events/iommu.h
new file mode 100644 (file)
index 0000000..2c7befb
--- /dev/null
+++ b/kernel/include/trace/events/iommu.h
@@ -0,0 +1,167 @@
+/*
+ * 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>