1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * Intel IOMMU trace support 4 * 5 * Copyright (C) 2019 Intel Corporation 6 * 7 * Author: Lu Baolu <baolu.lu@linux.intel.com> 8 */ 9 #ifdef CONFIG_INTEL_IOMMU 10 #undef TRACE_SYSTEM 11 #define TRACE_SYSTEM intel_iommu 12 13 #if !defined(_TRACE_INTEL_IOMMU_H) || defined(TRACE_HEADER_MULTI_READ) 14 #define _TRACE_INTEL_IOMMU_H 15 16 #include <linux/tracepoint.h> 17 #include <linux/intel-iommu.h> 18 19 DECLARE_EVENT_CLASS(dma_map, 20 TP_PROTO(struct device *dev, dma_addr_t dev_addr, phys_addr_t phys_addr, 21 size_t size), 22 23 TP_ARGS(dev, dev_addr, phys_addr, size), 24 25 TP_STRUCT__entry( 26 __string(dev_name, dev_name(dev)) 27 __field(dma_addr_t, dev_addr) 28 __field(phys_addr_t, phys_addr) 29 __field(size_t, size) 30 ), 31 32 TP_fast_assign( 33 __assign_str(dev_name, dev_name(dev)); 34 __entry->dev_addr = dev_addr; 35 __entry->phys_addr = phys_addr; 36 __entry->size = size; 37 ), 38 39 TP_printk("dev=%s dev_addr=0x%llx phys_addr=0x%llx size=%zu", 40 __get_str(dev_name), 41 (unsigned long long)__entry->dev_addr, 42 (unsigned long long)__entry->phys_addr, 43 __entry->size) 44 ); 45 46 DEFINE_EVENT(dma_map, map_single, 47 TP_PROTO(struct device *dev, dma_addr_t dev_addr, phys_addr_t phys_addr, 48 size_t size), 49 TP_ARGS(dev, dev_addr, phys_addr, size) 50 ); 51 52 DEFINE_EVENT(dma_map, bounce_map_single, 53 TP_PROTO(struct device *dev, dma_addr_t dev_addr, phys_addr_t phys_addr, 54 size_t size), 55 TP_ARGS(dev, dev_addr, phys_addr, size) 56 ); 57 58 DECLARE_EVENT_CLASS(dma_unmap, 59 TP_PROTO(struct device *dev, dma_addr_t dev_addr, size_t size), 60 61 TP_ARGS(dev, dev_addr, size), 62 63 TP_STRUCT__entry( 64 __string(dev_name, dev_name(dev)) 65 __field(dma_addr_t, dev_addr) 66 __field(size_t, size) 67 ), 68 69 TP_fast_assign( 70 __assign_str(dev_name, dev_name(dev)); 71 __entry->dev_addr = dev_addr; 72 __entry->size = size; 73 ), 74 75 TP_printk("dev=%s dev_addr=0x%llx size=%zu", 76 __get_str(dev_name), 77 (unsigned long long)__entry->dev_addr, 78 __entry->size) 79 ); 80 81 DEFINE_EVENT(dma_unmap, unmap_single, 82 TP_PROTO(struct device *dev, dma_addr_t dev_addr, size_t size), 83 TP_ARGS(dev, dev_addr, size) 84 ); 85 86 DEFINE_EVENT(dma_unmap, unmap_sg, 87 TP_PROTO(struct device *dev, dma_addr_t dev_addr, size_t size), 88 TP_ARGS(dev, dev_addr, size) 89 ); 90 91 DEFINE_EVENT(dma_unmap, bounce_unmap_single, 92 TP_PROTO(struct device *dev, dma_addr_t dev_addr, size_t size), 93 TP_ARGS(dev, dev_addr, size) 94 ); 95 96 DECLARE_EVENT_CLASS(dma_map_sg, 97 TP_PROTO(struct device *dev, int index, int total, 98 struct scatterlist *sg), 99 100 TP_ARGS(dev, index, total, sg), 101 102 TP_STRUCT__entry( 103 __string(dev_name, dev_name(dev)) 104 __field(dma_addr_t, dev_addr) 105 __field(phys_addr_t, phys_addr) 106 __field(size_t, size) 107 __field(int, index) 108 __field(int, total) 109 ), 110 111 TP_fast_assign( 112 __assign_str(dev_name, dev_name(dev)); 113 __entry->dev_addr = sg->dma_address; 114 __entry->phys_addr = sg_phys(sg); 115 __entry->size = sg->dma_length; 116 __entry->index = index; 117 __entry->total = total; 118 ), 119 120 TP_printk("dev=%s [%d/%d] dev_addr=0x%llx phys_addr=0x%llx size=%zu", 121 __get_str(dev_name), __entry->index, __entry->total, 122 (unsigned long long)__entry->dev_addr, 123 (unsigned long long)__entry->phys_addr, 124 __entry->size) 125 ); 126 127 DEFINE_EVENT(dma_map_sg, map_sg, 128 TP_PROTO(struct device *dev, int index, int total, 129 struct scatterlist *sg), 130 TP_ARGS(dev, index, total, sg) 131 ); 132 133 DEFINE_EVENT(dma_map_sg, bounce_map_sg, 134 TP_PROTO(struct device *dev, int index, int total, 135 struct scatterlist *sg), 136 TP_ARGS(dev, index, total, sg) 137 ); 138 #endif /* _TRACE_INTEL_IOMMU_H */ 139 140 /* This part must be outside protection */ 141 #include <trace/define_trace.h> 142 #endif /* CONFIG_INTEL_IOMMU */ 143
