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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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984d03adc9
Current map_sg stores trace message in a coarse manner. This extends it so that more detailed messages could be traced. The map_sg trace message looks like: map_sg: dev=0000:00:17.0 [1/9] dev_addr=0xf8f90000 phys_addr=0x158051000 size=4096 map_sg: dev=0000:00:17.0 [2/9] dev_addr=0xf8f91000 phys_addr=0x15a858000 size=4096 map_sg: dev=0000:00:17.0 [3/9] dev_addr=0xf8f92000 phys_addr=0x15aa13000 size=4096 map_sg: dev=0000:00:17.0 [4/9] dev_addr=0xf8f93000 phys_addr=0x1570f1000 size=8192 map_sg: dev=0000:00:17.0 [5/9] dev_addr=0xf8f95000 phys_addr=0x15c6d0000 size=4096 map_sg: dev=0000:00:17.0 [6/9] dev_addr=0xf8f96000 phys_addr=0x157194000 size=4096 map_sg: dev=0000:00:17.0 [7/9] dev_addr=0xf8f97000 phys_addr=0x169552000 size=4096 map_sg: dev=0000:00:17.0 [8/9] dev_addr=0xf8f98000 phys_addr=0x169dde000 size=4096 map_sg: dev=0000:00:17.0 [9/9] dev_addr=0xf8f99000 phys_addr=0x148351000 size=4096 Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com> Signed-off-by: Joerg Roedel <jroedel@suse.de>
143 lines
3.5 KiB
C
143 lines
3.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Intel IOMMU trace support
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*
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* Copyright (C) 2019 Intel Corporation
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*
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* Author: Lu Baolu <baolu.lu@linux.intel.com>
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*/
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#ifdef CONFIG_INTEL_IOMMU
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#undef TRACE_SYSTEM
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#define TRACE_SYSTEM intel_iommu
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#if !defined(_TRACE_INTEL_IOMMU_H) || defined(TRACE_HEADER_MULTI_READ)
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#define _TRACE_INTEL_IOMMU_H
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#include <linux/tracepoint.h>
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#include <linux/intel-iommu.h>
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DECLARE_EVENT_CLASS(dma_map,
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TP_PROTO(struct device *dev, dma_addr_t dev_addr, phys_addr_t phys_addr,
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size_t size),
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TP_ARGS(dev, dev_addr, phys_addr, size),
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TP_STRUCT__entry(
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__string(dev_name, dev_name(dev))
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__field(dma_addr_t, dev_addr)
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__field(phys_addr_t, phys_addr)
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__field(size_t, size)
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),
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TP_fast_assign(
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__assign_str(dev_name, dev_name(dev));
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__entry->dev_addr = dev_addr;
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__entry->phys_addr = phys_addr;
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__entry->size = size;
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),
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TP_printk("dev=%s dev_addr=0x%llx phys_addr=0x%llx size=%zu",
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__get_str(dev_name),
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(unsigned long long)__entry->dev_addr,
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(unsigned long long)__entry->phys_addr,
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__entry->size)
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);
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DEFINE_EVENT(dma_map, map_single,
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TP_PROTO(struct device *dev, dma_addr_t dev_addr, phys_addr_t phys_addr,
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size_t size),
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TP_ARGS(dev, dev_addr, phys_addr, size)
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);
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DEFINE_EVENT(dma_map, bounce_map_single,
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TP_PROTO(struct device *dev, dma_addr_t dev_addr, phys_addr_t phys_addr,
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size_t size),
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TP_ARGS(dev, dev_addr, phys_addr, size)
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);
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DECLARE_EVENT_CLASS(dma_unmap,
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TP_PROTO(struct device *dev, dma_addr_t dev_addr, size_t size),
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TP_ARGS(dev, dev_addr, size),
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TP_STRUCT__entry(
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__string(dev_name, dev_name(dev))
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__field(dma_addr_t, dev_addr)
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__field(size_t, size)
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),
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TP_fast_assign(
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__assign_str(dev_name, dev_name(dev));
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__entry->dev_addr = dev_addr;
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__entry->size = size;
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),
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TP_printk("dev=%s dev_addr=0x%llx size=%zu",
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__get_str(dev_name),
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(unsigned long long)__entry->dev_addr,
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__entry->size)
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);
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DEFINE_EVENT(dma_unmap, unmap_single,
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TP_PROTO(struct device *dev, dma_addr_t dev_addr, size_t size),
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TP_ARGS(dev, dev_addr, size)
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);
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DEFINE_EVENT(dma_unmap, unmap_sg,
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TP_PROTO(struct device *dev, dma_addr_t dev_addr, size_t size),
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TP_ARGS(dev, dev_addr, size)
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);
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DEFINE_EVENT(dma_unmap, bounce_unmap_single,
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TP_PROTO(struct device *dev, dma_addr_t dev_addr, size_t size),
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TP_ARGS(dev, dev_addr, size)
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);
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DECLARE_EVENT_CLASS(dma_map_sg,
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TP_PROTO(struct device *dev, int index, int total,
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struct scatterlist *sg),
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TP_ARGS(dev, index, total, sg),
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TP_STRUCT__entry(
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__string(dev_name, dev_name(dev))
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__field(dma_addr_t, dev_addr)
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__field(phys_addr_t, phys_addr)
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__field(size_t, size)
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__field(int, index)
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__field(int, total)
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),
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TP_fast_assign(
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__assign_str(dev_name, dev_name(dev));
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__entry->dev_addr = sg->dma_address;
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__entry->phys_addr = sg_phys(sg);
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__entry->size = sg->dma_length;
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__entry->index = index;
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__entry->total = total;
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),
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TP_printk("dev=%s [%d/%d] dev_addr=0x%llx phys_addr=0x%llx size=%zu",
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__get_str(dev_name), __entry->index, __entry->total,
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(unsigned long long)__entry->dev_addr,
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(unsigned long long)__entry->phys_addr,
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__entry->size)
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);
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DEFINE_EVENT(dma_map_sg, map_sg,
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TP_PROTO(struct device *dev, int index, int total,
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struct scatterlist *sg),
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TP_ARGS(dev, index, total, sg)
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);
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DEFINE_EVENT(dma_map_sg, bounce_map_sg,
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TP_PROTO(struct device *dev, int index, int total,
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struct scatterlist *sg),
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TP_ARGS(dev, index, total, sg)
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);
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#endif /* _TRACE_INTEL_IOMMU_H */
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/* This part must be outside protection */
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#include <trace/define_trace.h>
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#endif /* CONFIG_INTEL_IOMMU */
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