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Diffstat (limited to 'drivers/vfio/pci/trace.h')
-rw-r--r--drivers/vfio/pci/trace.h98
1 files changed, 98 insertions, 0 deletions
diff --git a/drivers/vfio/pci/trace.h b/drivers/vfio/pci/trace.h
new file mode 100644
index 0000000000..b2aa986ab9
--- /dev/null
+++ b/drivers/vfio/pci/trace.h
@@ -0,0 +1,98 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * VFIO PCI mmap/mmap_fault tracepoints
+ *
+ * Copyright (C) 2018 IBM Corp. All rights reserved.
+ * Author: Alexey Kardashevskiy <aik@ozlabs.ru>
+ */
+
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM vfio_pci
+
+#if !defined(_TRACE_VFIO_PCI_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_VFIO_PCI_H
+
+#include <linux/tracepoint.h>
+
+TRACE_EVENT(vfio_pci_nvgpu_mmap_fault,
+ TP_PROTO(struct pci_dev *pdev, unsigned long hpa, unsigned long ua,
+ vm_fault_t ret),
+ TP_ARGS(pdev, hpa, ua, ret),
+
+ TP_STRUCT__entry(
+ __field(const char *, name)
+ __field(unsigned long, hpa)
+ __field(unsigned long, ua)
+ __field(int, ret)
+ ),
+
+ TP_fast_assign(
+ __entry->name = dev_name(&pdev->dev),
+ __entry->hpa = hpa;
+ __entry->ua = ua;
+ __entry->ret = ret;
+ ),
+
+ TP_printk("%s: %lx -> %lx ret=%d", __entry->name, __entry->hpa,
+ __entry->ua, __entry->ret)
+);
+
+TRACE_EVENT(vfio_pci_nvgpu_mmap,
+ TP_PROTO(struct pci_dev *pdev, unsigned long hpa, unsigned long ua,
+ unsigned long size, int ret),
+ TP_ARGS(pdev, hpa, ua, size, ret),
+
+ TP_STRUCT__entry(
+ __field(const char *, name)
+ __field(unsigned long, hpa)
+ __field(unsigned long, ua)
+ __field(unsigned long, size)
+ __field(int, ret)
+ ),
+
+ TP_fast_assign(
+ __entry->name = dev_name(&pdev->dev),
+ __entry->hpa = hpa;
+ __entry->ua = ua;
+ __entry->size = size;
+ __entry->ret = ret;
+ ),
+
+ TP_printk("%s: %lx -> %lx size=%lx ret=%d", __entry->name, __entry->hpa,
+ __entry->ua, __entry->size, __entry->ret)
+);
+
+TRACE_EVENT(vfio_pci_npu2_mmap,
+ TP_PROTO(struct pci_dev *pdev, unsigned long hpa, unsigned long ua,
+ unsigned long size, int ret),
+ TP_ARGS(pdev, hpa, ua, size, ret),
+
+ TP_STRUCT__entry(
+ __field(const char *, name)
+ __field(unsigned long, hpa)
+ __field(unsigned long, ua)
+ __field(unsigned long, size)
+ __field(int, ret)
+ ),
+
+ TP_fast_assign(
+ __entry->name = dev_name(&pdev->dev),
+ __entry->hpa = hpa;
+ __entry->ua = ua;
+ __entry->size = size;
+ __entry->ret = ret;
+ ),
+
+ TP_printk("%s: %lx -> %lx size=%lx ret=%d", __entry->name, __entry->hpa,
+ __entry->ua, __entry->size, __entry->ret)
+);
+
+#endif /* _TRACE_VFIO_PCI_H */
+
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH ../../drivers/vfio/pci
+#undef TRACE_INCLUDE_FILE
+#define TRACE_INCLUDE_FILE trace
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>