Viewing file:  intel_iommu.h (2.58 KB) -rw-r--r--
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/* 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, map_sg,
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)
);
#endif /* _TRACE_INTEL_IOMMU_H */
/* This part must be outside protection */
#include <trace/define_trace.h>
#endif /* CONFIG_INTEL_IOMMU */
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