include/trace/events/iommu.h

   1 /*
   2  * iommu trace points
   3  *
   4  * Copyright (C) 2013 Shuah Khan <shuah.kh@samsung.com>
   5  *
   6  */
   7 #undef TRACE_SYSTEM
   8 #define TRACE_SYSTEM iommu
   9
  10 #if !defined(_TRACE_IOMMU_H) || defined(TRACE_HEADER_MULTI_READ)
  11 #define _TRACE_IOMMU_H
  12
  13 #include <linux/tracepoint.h>
  14
  15 struct device;
  16
  17 DECLARE_EVENT_CLASS(iommu_group_event,
  18
  19         TP_PROTO(int group_id, struct device *dev),
  20
  21         TP_ARGS(group_id, dev),
  22
  23         TP_STRUCT__entry(
  24                 __field(int, gid)
  25                 __string(device, dev_name(dev))
  26         ),
  27
  28         TP_fast_assign(
  29                 __entry->gid = group_id;
  30                 __assign_str(device, dev_name(dev));
  31         ),
  32
  33         TP_printk("IOMMU: groupID=%d device=%s",
  34                         __entry->gid, __get_str(device)
  35         )
  36 );
  37
  38 DEFINE_EVENT(iommu_group_event, add_device_to_group,
  39
  40         TP_PROTO(int group_id, struct device *dev),
  41
  42         TP_ARGS(group_id, dev)
  43
  44 );
  45
  46 DEFINE_EVENT(iommu_group_event, remove_device_from_group,
  47
  48         TP_PROTO(int group_id, struct device *dev),
  49
  50         TP_ARGS(group_id, dev)
  51 );
  52
  53 DECLARE_EVENT_CLASS(iommu_device_event,
  54
  55         TP_PROTO(struct device *dev),
  56
  57         TP_ARGS(dev),
  58
  59         TP_STRUCT__entry(
  60                 __string(device, dev_name(dev))
  61         ),
  62
  63         TP_fast_assign(
  64                 __assign_str(device, dev_name(dev));
  65         ),
  66
  67         TP_printk("IOMMU: device=%s", __get_str(device)
  68         )
  69 );
  70
  71 DEFINE_EVENT(iommu_device_event, attach_device_to_domain,
  72
  73         TP_PROTO(struct device *dev),
  74
  75         TP_ARGS(dev)
  76 );
  77
  78 DEFINE_EVENT(iommu_device_event, detach_device_from_domain,
  79
  80         TP_PROTO(struct device *dev),
  81
  82         TP_ARGS(dev)
  83 );
  84
  85 TRACE_EVENT(map,
  86
  87         TP_PROTO(unsigned long iova, phys_addr_t paddr, size_t size),
  88
  89         TP_ARGS(iova, paddr, size),
  90
  91         TP_STRUCT__entry(
  92                 __field(u64, iova)
  93                 __field(u64, paddr)
  94                 __field(size_t, size)
  95         ),
  96
  97         TP_fast_assign(
  98                 __entry->iova = iova;
  99                 __entry->paddr = paddr;
 100                 __entry->size = size;
 101         ),
 102
 103         TP_printk("IOMMU: iova=0x%016llx paddr=0x%016llx size=%zu",
 104                         __entry->iova, __entry->paddr, __entry->size
 105         )
 106 );
 107
 108 TRACE_EVENT(unmap,
 109
 110         TP_PROTO(unsigned long iova, size_t size, size_t unmapped_size),
 111
 112         TP_ARGS(iova, size, unmapped_size),
 113
 114         TP_STRUCT__entry(
 115                 __field(u64, iova)
 116                 __field(size_t, size)
 117                 __field(size_t, unmapped_size)
 118         ),
 119
 120         TP_fast_assign(
 121                 __entry->iova = iova;
 122                 __entry->size = size;
 123                 __entry->unmapped_size = unmapped_size;
 124         ),
 125
 126         TP_printk("IOMMU: iova=0x%016llx size=%zu unmapped_size=%zu",
 127                         __entry->iova, __entry->size, __entry->unmapped_size
 128         )
 129 );
 130
 131 DECLARE_EVENT_CLASS(iommu_error,
 132
 133         TP_PROTO(struct device *dev, unsigned long iova, int flags),
 134
 135         TP_ARGS(dev, iova, flags),
 136
 137         TP_STRUCT__entry(
 138                 __string(device, dev_name(dev))
 139                 __string(driver, dev_driver_string(dev))
 140                 __field(u64, iova)
 141                 __field(int, flags)
 142         ),
 143
 144         TP_fast_assign(
 145                 __assign_str(device, dev_name(dev));
 146                 __assign_str(driver, dev_driver_string(dev));
 147                 __entry->iova = iova;
 148                 __entry->flags = flags;
 149         ),
 150
 151         TP_printk("IOMMU:%s %s iova=0x%016llx flags=0x%04x",
 152                         __get_str(driver), __get_str(device),
 153                         __entry->iova, __entry->flags
 154         )
 155 );
 156
 157 DEFINE_EVENT(iommu_error, io_page_fault,
 158
 159         TP_PROTO(struct device *dev, unsigned long iova, int flags),
 160
 161         TP_ARGS(dev, iova, flags)
 162 );
 163 #endif /* _TRACE_IOMMU_H */
 164
 165 /* This part must be outside protection */
 166 #include <trace/define_trace.h>