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