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From: Eric Auger <eric.auger@redhat.com>
To: eric.auger.pro@gmail.com, eric.auger@redhat.com,
	iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org,
	kvm@vger.kernel.org, kvmarm@lists.cs.columbia.edu,
	joro@8bytes.org, alex.williamson@redhat.com,
	jacob.jun.pan@linux.intel.com, yi.l.liu@intel.com,
	jean-philippe.brucker@arm.com, will.deacon@arm.com,
	robin.murphy@arm.com
Cc: marc.zyngier@arm.com, kevin.tian@intel.com,
	vincent.stehle@arm.com, ashok.raj@intel.com
Subject: [PATCH v8 06/29] trace/iommu: Add sva trace events
Date: Sun, 26 May 2019 18:09:41 +0200
Message-ID: <20190526161004.25232-7-eric.auger@redhat.com> (raw)
In-Reply-To: <20190526161004.25232-1-eric.auger@redhat.com>

From: Jean-Philippe Brucker <jean-philippe.brucker@arm.com>

For development only, trace I/O page faults and responses.

Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
[JPB: removed the invalidate trace event, that will be added later]
Signed-off-by: Jean-Philippe Brucker <jean-philippe.brucker@arm.com>
---
 include/trace/events/iommu.h | 87 ++++++++++++++++++++++++++++++++++++
 1 file changed, 87 insertions(+)

diff --git a/include/trace/events/iommu.h b/include/trace/events/iommu.h
index 72b4582322ff..c8de147a1a41 100644
--- a/include/trace/events/iommu.h
+++ b/include/trace/events/iommu.h
@@ -12,6 +12,8 @@
 #define _TRACE_IOMMU_H
 
 #include <linux/tracepoint.h>
+#include <linux/iommu.h>
+#include <uapi/linux/iommu.h>
 
 struct device;
 
@@ -161,6 +163,91 @@ DEFINE_EVENT(iommu_error, io_page_fault,
 
 	TP_ARGS(dev, iova, flags)
 );
+
+TRACE_EVENT(dev_fault,
+
+	TP_PROTO(struct device *dev,  struct iommu_fault *evt),
+
+	TP_ARGS(dev, evt),
+
+	TP_STRUCT__entry(
+		__string(device, dev_name(dev))
+		__field(int, type)
+		__field(int, reason)
+		__field(u64, addr)
+		__field(u64, fetch_addr)
+		__field(u32, pasid)
+		__field(u32, grpid)
+		__field(u32, flags)
+		__field(u32, prot)
+	),
+
+	TP_fast_assign(
+		__assign_str(device, dev_name(dev));
+		__entry->type = evt->type;
+		if (evt->type == IOMMU_FAULT_DMA_UNRECOV) {
+			__entry->reason		= evt->event.reason;
+			__entry->flags		= evt->event.flags;
+			__entry->pasid		= evt->event.pasid;
+			__entry->grpid		= 0;
+			__entry->prot		= evt->event.perm;
+			__entry->addr		= evt->event.addr;
+			__entry->fetch_addr	= evt->event.fetch_addr;
+		} else {
+			__entry->reason		= 0;
+			__entry->flags		= evt->prm.flags;
+			__entry->pasid		= evt->prm.pasid;
+			__entry->grpid		= evt->prm.grpid;
+			__entry->prot		= evt->prm.perm;
+			__entry->addr		= evt->prm.addr;
+			__entry->fetch_addr	= 0;
+		}
+	),
+
+	TP_printk("IOMMU:%s type=%d reason=%d addr=0x%016llx fetch=0x%016llx pasid=%d group=%d flags=%x prot=%d",
+		__get_str(device),
+		__entry->type,
+		__entry->reason,
+		__entry->addr,
+		__entry->fetch_addr,
+		__entry->pasid,
+		__entry->grpid,
+		__entry->flags,
+		__entry->prot
+	)
+);
+
+TRACE_EVENT(dev_page_response,
+
+	TP_PROTO(struct device *dev,  struct page_response_msg *msg),
+
+	TP_ARGS(dev, msg),
+
+	TP_STRUCT__entry(
+		__string(device, dev_name(dev))
+		__field(int, code)
+		__field(u64, addr)
+		__field(u32, pasid)
+		__field(u32, grpid)
+	),
+
+	TP_fast_assign(
+		__assign_str(device, dev_name(dev));
+		__entry->code = msg->resp_code;
+		__entry->addr = msg->addr;
+		__entry->pasid = msg->pasid;
+		__entry->grpid = msg->grpid;
+	),
+
+	TP_printk("IOMMU:%s code=%d addr=0x%016llx pasid=%d group=%d",
+		__get_str(device),
+		__entry->code,
+		__entry->addr,
+		__entry->pasid,
+		__entry->grpid
+	)
+);
+
 #endif /* _TRACE_IOMMU_H */
 
 /* This part must be outside protection */
-- 
2.20.1

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  parent reply index

Thread overview: 64+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-26 16:09 [PATCH v8 00/29] SMMUv3 Nested Stage Setup Eric Auger
2019-05-26 16:09 ` [PATCH v8 01/29] driver core: Add per device iommu param Eric Auger
2019-05-26 16:09 ` [PATCH v8 02/29] iommu: Introduce device fault data Eric Auger
2019-05-26 16:09 ` [PATCH v8 03/29] iommu: Introduce device fault report API Eric Auger
2019-05-26 16:09 ` [PATCH v8 04/29] iommu: Add recoverable fault reporting Eric Auger
2019-06-03 22:31   ` Alex Williamson
2019-06-04 15:48     ` Jacob Pan
2019-05-26 16:09 ` [PATCH v8 05/29] iommu: Add a timeout parameter for PRQ response Eric Auger
2019-06-03 22:32   ` Alex Williamson
2019-06-04 10:52     ` Jean-Philippe Brucker
2019-06-04 15:50       ` Jacob Pan
2019-05-26 16:09 ` Eric Auger [this message]
2019-05-26 16:09 ` [PATCH v8 07/29] iommu: Use device fault trace event Eric Auger
2019-05-26 16:09 ` [PATCH v8 08/29] iommu: Introduce attach/detach_pasid_table API Eric Auger
2019-05-26 16:09 ` [PATCH v8 09/29] iommu: Introduce cache_invalidate API Eric Auger
2019-05-26 16:09 ` [PATCH v8 10/29] iommu: Introduce bind/unbind_guest_msi Eric Auger
2019-05-26 16:09 ` [PATCH v8 11/29] iommu/arm-smmu-v3: Maintain a SID->device structure Eric Auger
2019-05-26 16:09 ` [PATCH v8 12/29] iommu/smmuv3: Dynamically allocate s1_cfg and s2_cfg Eric Auger
2019-05-26 16:09 ` [PATCH v8 13/29] iommu/smmuv3: Get prepared for nested stage support Eric Auger
2019-05-26 16:09 ` [PATCH v8 14/29] iommu/smmuv3: Implement attach/detach_pasid_table Eric Auger
2019-05-26 16:09 ` [PATCH v8 15/29] iommu/smmuv3: Introduce __arm_smmu_tlb_inv_asid/s1_range_nosync Eric Auger
2019-05-26 16:09 ` [PATCH v8 16/29] iommu/smmuv3: Implement cache_invalidate Eric Auger
2019-05-26 16:09 ` [PATCH v8 17/29] dma-iommu: Implement NESTED_MSI cookie Eric Auger
2019-05-26 16:09 ` [PATCH v8 18/29] iommu/smmuv3: Nested mode single MSI doorbell per domain enforcement Eric Auger
2019-05-26 16:09 ` [PATCH v8 19/29] iommu/smmuv3: Enforce incompatibility between nested mode and HW MSI regions Eric Auger
2019-05-26 16:09 ` [PATCH v8 20/29] iommu/smmuv3: Implement bind/unbind_guest_msi Eric Auger
2019-05-26 16:09 ` [PATCH v8 21/29] iommu/smmuv3: Report non recoverable faults Eric Auger
2019-05-26 16:09 ` [PATCH v8 22/29] vfio: VFIO_IOMMU_ATTACH/DETACH_PASID_TABLE Eric Auger
2019-06-03 22:32   ` Alex Williamson
2019-05-26 16:09 ` [PATCH v8 23/29] vfio: VFIO_IOMMU_CACHE_INVALIDATE Eric Auger
2019-06-14 12:38   ` Liu, Yi L
2019-06-14 13:17     ` Auger Eric
2019-05-26 16:09 ` [PATCH v8 24/29] vfio: VFIO_IOMMU_BIND/UNBIND_MSI Eric Auger
2019-06-03 22:32   ` Alex Williamson
2019-06-07  8:30     ` Auger Eric
2019-05-26 16:10 ` [PATCH v8 25/29] vfio-pci: Add a new VFIO_REGION_TYPE_NESTED region type Eric Auger
2019-06-03 22:31   ` Alex Williamson
2019-06-07  8:28     ` Auger Eric
2019-06-07 12:47       ` Jean-Philippe Brucker
2019-06-07 16:29       ` Alex Williamson
2019-05-26 16:10 ` [PATCH v8 26/29] vfio-pci: Register an iommu fault handler Eric Auger
2019-06-03 22:31   ` Alex Williamson
2019-06-04 16:11     ` Auger Eric
2019-06-05 22:45       ` Jacob Pan
2019-06-06 18:54         ` Jean-Philippe Brucker
2019-06-06 20:29           ` Jacob Pan
2019-06-07  7:02             ` Auger Eric
2019-06-07 10:28             ` Jean-Philippe Brucker
2019-06-07 17:43               ` Jacob Pan
2019-06-10 12:45                 ` Jean-Philippe Brucker
2019-06-10 21:31                   ` Jacob Pan
2019-06-11 13:14                     ` Jean-Philippe Brucker
2019-06-12 18:53                       ` Jacob Pan
2019-06-18 14:04                         ` Jean-Philippe Brucker
2019-06-19  0:19                           ` Jacob Pan
2019-06-19 11:44                             ` Jean-Philippe Brucker
2019-07-11 13:07                           ` Auger Eric
2019-06-07 12:48   ` Jean-Philippe Brucker
2019-06-07 14:18     ` Auger Eric
2019-05-26 16:10 ` [PATCH v8 27/29] vfio_pci: Allow to mmap the fault queue Eric Auger
2019-05-26 16:10 ` [PATCH v8 28/29] vfio-pci: Add VFIO_PCI_DMA_FAULT_IRQ_INDEX Eric Auger
2019-06-03 22:31   ` Alex Williamson
2019-06-04 16:11     ` Auger Eric
2019-05-26 16:10 ` [PATCH v8 29/29] vfio: Document nested stage control Eric Auger

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