1 files changed, 102 insertions, 0 deletions

diff --git a/drivers/vfio/pci/trace.h b/drivers/vfio/pci/trace.h
new file mode 100644
index 000000000000..228ccdb8d1c8
--- /dev/null
+++ b/drivers/vfio/pci/trace.h
@@ -0,0 +1,102 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * VFIO PCI mmap/mmap_fault tracepoints
+ *
+ * Copyright (C) 2018 IBM Corp.  All rights reserved.
+ *     Author: Alexey Kardashevskiy <aik@ozlabs.ru>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#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 .
+#undef TRACE_INCLUDE_FILE
+#define TRACE_INCLUDE_FILE trace
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>