48 lines
1.5 KiB
C
48 lines
1.5 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
|
|
/*
|
|
* Register read and write tracepoints
|
|
*
|
|
* Copyright (c) 2021-2022 Qualcomm Innovation Center, Inc. All rights reserved.
|
|
*/
|
|
|
|
#include <linux/ftrace.h>
|
|
#include <linux/module.h>
|
|
#include <asm-generic/io.h>
|
|
|
|
#define CREATE_TRACE_POINTS
|
|
#include <trace/events/rwmmio.h>
|
|
|
|
#ifdef CONFIG_TRACE_MMIO_ACCESS
|
|
void log_write_mmio(u64 val, u8 width, volatile void __iomem *addr,
|
|
unsigned long caller_addr, unsigned long caller_addr0)
|
|
{
|
|
trace_rwmmio_write(caller_addr, caller_addr0, val, width, addr);
|
|
}
|
|
EXPORT_SYMBOL_GPL(log_write_mmio);
|
|
EXPORT_TRACEPOINT_SYMBOL_GPL(rwmmio_write);
|
|
|
|
void log_post_write_mmio(u64 val, u8 width, volatile void __iomem *addr,
|
|
unsigned long caller_addr, unsigned long caller_addr0)
|
|
{
|
|
trace_rwmmio_post_write(caller_addr, caller_addr0, val, width, addr);
|
|
}
|
|
EXPORT_SYMBOL_GPL(log_post_write_mmio);
|
|
EXPORT_TRACEPOINT_SYMBOL_GPL(rwmmio_post_write);
|
|
|
|
void log_read_mmio(u8 width, const volatile void __iomem *addr,
|
|
unsigned long caller_addr, unsigned long caller_addr0)
|
|
{
|
|
trace_rwmmio_read(caller_addr, caller_addr0, width, addr);
|
|
}
|
|
EXPORT_SYMBOL_GPL(log_read_mmio);
|
|
EXPORT_TRACEPOINT_SYMBOL_GPL(rwmmio_read);
|
|
|
|
void log_post_read_mmio(u64 val, u8 width, const volatile void __iomem *addr,
|
|
unsigned long caller_addr, unsigned long caller_addr0)
|
|
{
|
|
trace_rwmmio_post_read(caller_addr, caller_addr0, val, width, addr);
|
|
}
|
|
EXPORT_SYMBOL_GPL(log_post_read_mmio);
|
|
EXPORT_TRACEPOINT_SYMBOL_GPL(rwmmio_post_read);
|
|
#endif /* CONFIG_TRACE_MMIO_ACCESS */
|