David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame^] | 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, map_sg, |
| 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 | DEFINE_EVENT(dma_map, bounce_map_single, |
| 59 | TP_PROTO(struct device *dev, dma_addr_t dev_addr, phys_addr_t phys_addr, |
| 60 | size_t size), |
| 61 | TP_ARGS(dev, dev_addr, phys_addr, size) |
| 62 | ); |
| 63 | |
| 64 | DECLARE_EVENT_CLASS(dma_unmap, |
| 65 | TP_PROTO(struct device *dev, dma_addr_t dev_addr, size_t size), |
| 66 | |
| 67 | TP_ARGS(dev, dev_addr, size), |
| 68 | |
| 69 | TP_STRUCT__entry( |
| 70 | __string(dev_name, dev_name(dev)) |
| 71 | __field(dma_addr_t, dev_addr) |
| 72 | __field(size_t, size) |
| 73 | ), |
| 74 | |
| 75 | TP_fast_assign( |
| 76 | __assign_str(dev_name, dev_name(dev)); |
| 77 | __entry->dev_addr = dev_addr; |
| 78 | __entry->size = size; |
| 79 | ), |
| 80 | |
| 81 | TP_printk("dev=%s dev_addr=0x%llx size=%zu", |
| 82 | __get_str(dev_name), |
| 83 | (unsigned long long)__entry->dev_addr, |
| 84 | __entry->size) |
| 85 | ); |
| 86 | |
| 87 | DEFINE_EVENT(dma_unmap, unmap_single, |
| 88 | TP_PROTO(struct device *dev, dma_addr_t dev_addr, size_t size), |
| 89 | TP_ARGS(dev, dev_addr, size) |
| 90 | ); |
| 91 | |
| 92 | DEFINE_EVENT(dma_unmap, unmap_sg, |
| 93 | TP_PROTO(struct device *dev, dma_addr_t dev_addr, size_t size), |
| 94 | TP_ARGS(dev, dev_addr, size) |
| 95 | ); |
| 96 | |
| 97 | DEFINE_EVENT(dma_unmap, bounce_unmap_single, |
| 98 | TP_PROTO(struct device *dev, dma_addr_t dev_addr, size_t size), |
| 99 | TP_ARGS(dev, dev_addr, size) |
| 100 | ); |
| 101 | |
| 102 | #endif /* _TRACE_INTEL_IOMMU_H */ |
| 103 | |
| 104 | /* This part must be outside protection */ |
| 105 | #include <trace/define_trace.h> |
| 106 | #endif /* CONFIG_INTEL_IOMMU */ |