1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Register read and write tracepoints
4 *
5 * Copyright (c) 2021-2022 Qualcomm Innovation Center, Inc. All rights reserved.
6 */
7
8#include <linux/ftrace.h>
9#include <linux/module.h>
10#include <linux/io.h>
11
12#define CREATE_TRACE_POINTS
13#include <trace/events/rwmmio.h>
14
15#ifdef CONFIG_TRACE_MMIO_ACCESS
16void log_write_mmio(u64 val, u8 width, volatile void __iomem *addr,
17		    unsigned long caller_addr, unsigned long caller_addr0)
18{
19	trace_rwmmio_write(caller_addr, caller_addr0, val, width, addr);
20}
21EXPORT_SYMBOL_GPL(log_write_mmio);
22EXPORT_TRACEPOINT_SYMBOL_GPL(rwmmio_write);
23
24void log_post_write_mmio(u64 val, u8 width, volatile void __iomem *addr,
25			 unsigned long caller_addr, unsigned long caller_addr0)
26{
27	trace_rwmmio_post_write(caller_addr, caller_addr0, val, width, addr);
28}
29EXPORT_SYMBOL_GPL(log_post_write_mmio);
30EXPORT_TRACEPOINT_SYMBOL_GPL(rwmmio_post_write);
31
32void log_read_mmio(u8 width, const volatile void __iomem *addr,
33		   unsigned long caller_addr, unsigned long caller_addr0)
34{
35	trace_rwmmio_read(caller_addr, caller_addr0, width, addr);
36}
37EXPORT_SYMBOL_GPL(log_read_mmio);
38EXPORT_TRACEPOINT_SYMBOL_GPL(rwmmio_read);
39
40void log_post_read_mmio(u64 val, u8 width, const volatile void __iomem *addr,
41			unsigned long caller_addr, unsigned long caller_addr0)
42{
43	trace_rwmmio_post_read(caller_addr, caller_addr0, val, width, addr);
44}
45EXPORT_SYMBOL_GPL(log_post_read_mmio);
46EXPORT_TRACEPOINT_SYMBOL_GPL(rwmmio_post_read);
47#endif /* CONFIG_TRACE_MMIO_ACCESS */
48