1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * iommu trace points 4 * 5 * Copyright (C) 2013 Shuah Khan <shuah.kh@samsung.com> 6 * 7 */ 8 #undef TRACE_SYSTEM 9 #define TRACE_SYSTEM iommu 10 11 #if !defined(_TRACE_IOMMU_H) || defined(TRACE_HEADER_MULTI_READ) 12 #define _TRACE_IOMMU_H 13 14 #include <linux/tracepoint.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); 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); 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 TRACE_EVENT(map, 80 81 TP_PROTO(unsigned long iova, phys_addr_t paddr, size_t size), 82 83 TP_ARGS(iova, paddr, size), 84 85 TP_STRUCT__entry( 86 __field(u64, iova) 87 __field(u64, paddr) 88 __field(size_t, size) 89 ), 90 91 TP_fast_assign( 92 __entry->iova = iova; 93 __entry->paddr = paddr; 94 __entry->size = size; 95 ), 96 97 TP_printk("IOMMU: iova=0x%016llx - 0x%016llx paddr=0x%016llx size=%zu", 98 __entry->iova, __entry->iova + __entry->size, __entry->paddr, 99 __entry->size 100 ) 101 ); 102 103 TRACE_EVENT(unmap, 104 105 TP_PROTO(unsigned long iova, size_t size, size_t unmapped_size), 106 107 TP_ARGS(iova, size, unmapped_size), 108 109 TP_STRUCT__entry( 110 __field(u64, iova) 111 __field(size_t, size) 112 __field(size_t, unmapped_size) 113 ), 114 115 TP_fast_assign( 116 __entry->iova = iova; 117 __entry->size = size; 118 __entry->unmapped_size = unmapped_size; 119 ), 120 121 TP_printk("IOMMU: iova=0x%016llx - 0x%016llx size=%zu unmapped_size=%zu", 122 __entry->iova, __entry->iova + __entry->size, 123 __entry->size, __entry->unmapped_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); 142 __assign_str(driver); 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