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Diffstat (limited to '')
| -rw-r--r-- | include/trace/events/intel_iommu.h | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/include/trace/events/intel_iommu.h b/include/trace/events/intel_iommu.h new file mode 100644 index 000000000..112bd0648 --- /dev/null +++ b/include/trace/events/intel_iommu.h @@ -0,0 +1,142 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Intel IOMMU trace support + * + * Copyright (C) 2019 Intel Corporation + * + * Author: Lu Baolu <baolu.lu@linux.intel.com> + */ +#ifdef CONFIG_INTEL_IOMMU +#undef TRACE_SYSTEM +#define TRACE_SYSTEM intel_iommu + +#if !defined(_TRACE_INTEL_IOMMU_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_INTEL_IOMMU_H + +#include <linux/tracepoint.h> +#include <linux/intel-iommu.h> + +DECLARE_EVENT_CLASS(dma_map, + TP_PROTO(struct device *dev, dma_addr_t dev_addr, phys_addr_t phys_addr, + size_t size), + + TP_ARGS(dev, dev_addr, phys_addr, size), + + TP_STRUCT__entry( + __string(dev_name, dev_name(dev)) + __field(dma_addr_t, dev_addr) + __field(phys_addr_t, phys_addr) + __field(size_t, size) + ), + + TP_fast_assign( + __assign_str(dev_name, dev_name(dev)); + __entry->dev_addr = dev_addr; + __entry->phys_addr = phys_addr; + __entry->size = size; + ), + + TP_printk("dev=%s dev_addr=0x%llx phys_addr=0x%llx size=%zu", + __get_str(dev_name), + (unsigned long long)__entry->dev_addr, + (unsigned long long)__entry->phys_addr, + __entry->size) +); + +DEFINE_EVENT(dma_map, map_single, + TP_PROTO(struct device *dev, dma_addr_t dev_addr, phys_addr_t phys_addr, + size_t size), + TP_ARGS(dev, dev_addr, phys_addr, size) +); + +DEFINE_EVENT(dma_map, bounce_map_single, + TP_PROTO(struct device *dev, dma_addr_t dev_addr, phys_addr_t phys_addr, + size_t size), + TP_ARGS(dev, dev_addr, phys_addr, size) +); + +DECLARE_EVENT_CLASS(dma_unmap, + TP_PROTO(struct device *dev, dma_addr_t dev_addr, size_t size), + + TP_ARGS(dev, dev_addr, size), + + TP_STRUCT__entry( + __string(dev_name, dev_name(dev)) + __field(dma_addr_t, dev_addr) + __field(size_t, size) + ), + + TP_fast_assign( + __assign_str(dev_name, dev_name(dev)); + __entry->dev_addr = dev_addr; + __entry->size = size; + ), + + TP_printk("dev=%s dev_addr=0x%llx size=%zu", + __get_str(dev_name), + (unsigned long long)__entry->dev_addr, + __entry->size) +); + +DEFINE_EVENT(dma_unmap, unmap_single, + TP_PROTO(struct device *dev, dma_addr_t dev_addr, size_t size), + TP_ARGS(dev, dev_addr, size) +); + +DEFINE_EVENT(dma_unmap, unmap_sg, + TP_PROTO(struct device *dev, dma_addr_t dev_addr, size_t size), + TP_ARGS(dev, dev_addr, size) +); + +DEFINE_EVENT(dma_unmap, bounce_unmap_single, + TP_PROTO(struct device *dev, dma_addr_t dev_addr, size_t size), + TP_ARGS(dev, dev_addr, size) +); + +DECLARE_EVENT_CLASS(dma_map_sg, + TP_PROTO(struct device *dev, int index, int total, + struct scatterlist *sg), + + TP_ARGS(dev, index, total, sg), + + TP_STRUCT__entry( + __string(dev_name, dev_name(dev)) + __field(dma_addr_t, dev_addr) + __field(phys_addr_t, phys_addr) + __field(size_t, size) + __field(int, index) + __field(int, total) + ), + + TP_fast_assign( + __assign_str(dev_name, dev_name(dev)); + __entry->dev_addr = sg->dma_address; + __entry->phys_addr = sg_phys(sg); + __entry->size = sg->dma_length; + __entry->index = index; + __entry->total = total; + ), + + TP_printk("dev=%s [%d/%d] dev_addr=0x%llx phys_addr=0x%llx size=%zu", + __get_str(dev_name), __entry->index, __entry->total, + (unsigned long long)__entry->dev_addr, + (unsigned long long)__entry->phys_addr, + __entry->size) +); + +DEFINE_EVENT(dma_map_sg, map_sg, + TP_PROTO(struct device *dev, int index, int total, + struct scatterlist *sg), + TP_ARGS(dev, index, total, sg) +); + +DEFINE_EVENT(dma_map_sg, bounce_map_sg, + TP_PROTO(struct device *dev, int index, int total, + struct scatterlist *sg), + TP_ARGS(dev, index, total, sg) +); +#endif /* _TRACE_INTEL_IOMMU_H */ + +/* This part must be outside protection */ +#include <trace/define_trace.h> +#endif /* CONFIG_INTEL_IOMMU */ |