From: Lu Baolu <baolu.lu@linux.intel.com> To: David Woodhouse <dwmw2@infradead.org>, Joerg Roedel <joro@8bytes.org>, Bjorn Helgaas <bhelgaas@google.com>, Christoph Hellwig <hch@lst.de> Cc: ashok.raj@intel.com, jacob.jun.pan@intel.com, alan.cox@intel.com, kevin.tian@intel.com, mika.westerberg@linux.intel.com, Ingo Molnar <mingo@redhat.com>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, pengfei.xu@intel.com, Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>, Marek Szyprowski <m.szyprowski@samsung.com>, Robin Murphy <robin.murphy@arm.com>, Jonathan Corbet <corbet@lwn.net>, Boris Ostrovsky <boris.ostrovsky@oracle.com>, Juergen Gross <jgross@suse.com>, Stefano Stabellini <sstabellini@kernel.org>, Steven Rostedt <rostedt@goodmis.org>, iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org, Lu Baolu <baolu.lu@linux.intel.com>, Jacob Pan <jacob.jun.pan@linux.intel.com> Subject: [PATCH v6 7/8] iommu/vt-d: Add trace events for device dma map/unmap Date: Tue, 30 Jul 2019 12:52:28 +0800 [thread overview] Message-ID: <20190730045229.3826-8-baolu.lu@linux.intel.com> (raw) In-Reply-To: <20190730045229.3826-1-baolu.lu@linux.intel.com> This adds trace support for the Intel IOMMU driver. It also declares some events which could be used to trace the events when an IOVA is being mapped or unmapped in a domain. Cc: Ashok Raj <ashok.raj@intel.com> Cc: Jacob Pan <jacob.jun.pan@linux.intel.com> Cc: Kevin Tian <kevin.tian@intel.com> Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com> Reviewed-by: Steven Rostedt (VMware) <rostedt@goodmis.org> --- drivers/iommu/Makefile | 1 + drivers/iommu/intel-trace.c | 14 +++++ include/trace/events/intel_iommu.h | 95 ++++++++++++++++++++++++++++++ 3 files changed, 110 insertions(+) create mode 100644 drivers/iommu/intel-trace.c create mode 100644 include/trace/events/intel_iommu.h diff --git a/drivers/iommu/Makefile b/drivers/iommu/Makefile index f13f36ae1af6..bfe27b2755bd 100644 --- a/drivers/iommu/Makefile +++ b/drivers/iommu/Makefile @@ -17,6 +17,7 @@ obj-$(CONFIG_ARM_SMMU) += arm-smmu.o obj-$(CONFIG_ARM_SMMU_V3) += arm-smmu-v3.o obj-$(CONFIG_DMAR_TABLE) += dmar.o obj-$(CONFIG_INTEL_IOMMU) += intel-iommu.o intel-pasid.o +obj-$(CONFIG_INTEL_IOMMU) += intel-trace.o obj-$(CONFIG_INTEL_IOMMU_DEBUGFS) += intel-iommu-debugfs.o obj-$(CONFIG_INTEL_IOMMU_SVM) += intel-svm.o obj-$(CONFIG_IPMMU_VMSA) += ipmmu-vmsa.o diff --git a/drivers/iommu/intel-trace.c b/drivers/iommu/intel-trace.c new file mode 100644 index 000000000000..bfb6a6e37a88 --- /dev/null +++ b/drivers/iommu/intel-trace.c @@ -0,0 +1,14 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Intel IOMMU trace support + * + * Copyright (C) 2019 Intel Corporation + * + * Author: Lu Baolu <baolu.lu@linux.intel.com> + */ + +#include <linux/string.h> +#include <linux/types.h> + +#define CREATE_TRACE_POINTS +#include <trace/events/intel_iommu.h> diff --git a/include/trace/events/intel_iommu.h b/include/trace/events/intel_iommu.h new file mode 100644 index 000000000000..3fdeaad93b2e --- /dev/null +++ b/include/trace/events/intel_iommu.h @@ -0,0 +1,95 @@ +/* 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, 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) +); + +DEFINE_EVENT(dma_map, bounce_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) +); + +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, bounce_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, bounce_unmap_sg, + 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 */ -- 2.17.1
WARNING: multiple messages have this Message-ID (diff)
From: Lu Baolu <baolu.lu@linux.intel.com> To: David Woodhouse <dwmw2@infradead.org>, Joerg Roedel <joro@8bytes.org>, Bjorn Helgaas <bhelgaas@google.com>, Christoph Hellwig <hch@lst.de> Cc: Juergen Gross <jgross@suse.com>, kevin.tian@intel.com, Stefano Stabellini <sstabellini@kernel.org>, ashok.raj@intel.com, Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>, alan.cox@intel.com, Jonathan Corbet <corbet@lwn.net>, Robin Murphy <robin.murphy@arm.com>, Steven Rostedt <rostedt@goodmis.org>, linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, pengfei.xu@intel.com, Ingo Molnar <mingo@redhat.com>, jacob.jun.pan@intel.com, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Boris Ostrovsky <boris.ostrovsky@oracle.com>, mika.westerberg@linux.intel.com Subject: [PATCH v6 7/8] iommu/vt-d: Add trace events for device dma map/unmap Date: Tue, 30 Jul 2019 12:52:28 +0800 [thread overview] Message-ID: <20190730045229.3826-8-baolu.lu@linux.intel.com> (raw) In-Reply-To: <20190730045229.3826-1-baolu.lu@linux.intel.com> This adds trace support for the Intel IOMMU driver. It also declares some events which could be used to trace the events when an IOVA is being mapped or unmapped in a domain. Cc: Ashok Raj <ashok.raj@intel.com> Cc: Jacob Pan <jacob.jun.pan@linux.intel.com> Cc: Kevin Tian <kevin.tian@intel.com> Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com> Reviewed-by: Steven Rostedt (VMware) <rostedt@goodmis.org> --- drivers/iommu/Makefile | 1 + drivers/iommu/intel-trace.c | 14 +++++ include/trace/events/intel_iommu.h | 95 ++++++++++++++++++++++++++++++ 3 files changed, 110 insertions(+) create mode 100644 drivers/iommu/intel-trace.c create mode 100644 include/trace/events/intel_iommu.h diff --git a/drivers/iommu/Makefile b/drivers/iommu/Makefile index f13f36ae1af6..bfe27b2755bd 100644 --- a/drivers/iommu/Makefile +++ b/drivers/iommu/Makefile @@ -17,6 +17,7 @@ obj-$(CONFIG_ARM_SMMU) += arm-smmu.o obj-$(CONFIG_ARM_SMMU_V3) += arm-smmu-v3.o obj-$(CONFIG_DMAR_TABLE) += dmar.o obj-$(CONFIG_INTEL_IOMMU) += intel-iommu.o intel-pasid.o +obj-$(CONFIG_INTEL_IOMMU) += intel-trace.o obj-$(CONFIG_INTEL_IOMMU_DEBUGFS) += intel-iommu-debugfs.o obj-$(CONFIG_INTEL_IOMMU_SVM) += intel-svm.o obj-$(CONFIG_IPMMU_VMSA) += ipmmu-vmsa.o diff --git a/drivers/iommu/intel-trace.c b/drivers/iommu/intel-trace.c new file mode 100644 index 000000000000..bfb6a6e37a88 --- /dev/null +++ b/drivers/iommu/intel-trace.c @@ -0,0 +1,14 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Intel IOMMU trace support + * + * Copyright (C) 2019 Intel Corporation + * + * Author: Lu Baolu <baolu.lu@linux.intel.com> + */ + +#include <linux/string.h> +#include <linux/types.h> + +#define CREATE_TRACE_POINTS +#include <trace/events/intel_iommu.h> diff --git a/include/trace/events/intel_iommu.h b/include/trace/events/intel_iommu.h new file mode 100644 index 000000000000..3fdeaad93b2e --- /dev/null +++ b/include/trace/events/intel_iommu.h @@ -0,0 +1,95 @@ +/* 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, 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) +); + +DEFINE_EVENT(dma_map, bounce_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) +); + +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, bounce_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, bounce_unmap_sg, + 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 */ -- 2.17.1 _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu
next prev parent reply other threads:[~2019-07-30 4:53 UTC|newest] Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-07-30 4:52 [PATCH v6 0/8] iommu: Bounce page for untrusted devices Lu Baolu 2019-07-30 4:52 ` Lu Baolu 2019-07-30 4:52 ` [PATCH v6 1/8] iommu/vt-d: Don't switch off swiotlb if use direct dma Lu Baolu 2019-07-30 4:52 ` Lu Baolu 2019-07-30 4:52 ` [PATCH v6 2/8] PCI: Add dev_is_untrusted helper Lu Baolu 2019-07-30 4:52 ` Lu Baolu 2019-07-30 4:52 ` [PATCH v6 3/8] swiotlb: Split size parameter to map/unmap APIs Lu Baolu 2019-07-30 4:52 ` Lu Baolu 2019-07-30 4:52 ` [PATCH v6 4/8] swiotlb: Zero out bounce buffer for untrusted device Lu Baolu 2019-07-30 4:52 ` Lu Baolu 2019-07-30 4:52 ` [PATCH v6 5/8] iommu: Add bounce page APIs Lu Baolu 2019-07-30 4:52 ` Lu Baolu 2019-08-14 8:38 ` Joerg Roedel 2019-08-14 8:38 ` Joerg Roedel 2019-08-15 6:15 ` Lu Baolu 2019-08-15 6:15 ` Lu Baolu 2019-08-15 15:48 ` Joerg Roedel 2019-08-15 15:48 ` Joerg Roedel 2019-08-16 2:45 ` Lu Baolu 2019-08-16 2:45 ` Lu Baolu 2019-08-16 4:46 ` Christoph Hellwig 2019-08-16 4:46 ` Christoph Hellwig 2019-08-18 3:07 ` Lu Baolu 2019-08-18 3:07 ` Lu Baolu 2019-07-30 4:52 ` [PATCH v6 6/8] iommu/vt-d: Check whether device requires bounce buffer Lu Baolu 2019-07-30 4:52 ` Lu Baolu 2019-07-30 4:52 ` Lu Baolu [this message] 2019-07-30 4:52 ` [PATCH v6 7/8] iommu/vt-d: Add trace events for device dma map/unmap Lu Baolu 2019-07-30 4:52 ` [PATCH v6 8/8] iommu/vt-d: Use bounce buffer for untrusted devices Lu Baolu 2019-07-30 4:52 ` Lu Baolu
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