/* SPDX-License-Identifier: GPL-2.0 */
|
/*
|
* Copyright (c) 2021, The Linux Foundation. All rights reserved.
|
*/
|
#ifndef __LOG_MMIORW_H__
|
#define __LOG_MMIORW_H__
|
|
#include <linux/types.h>
|
#include <linux/atomic.h>
|
#include <linux/tracepoint-defs.h>
|
|
/*
|
* TODO - io.h is included in NVHE files and these tracepoints are getting
|
* enabled for NVHE too. To avoid these tracepoints enabling in NHVE below
|
* condition is introduced.
|
* !(defined(__DISABLE_TRACE_MMIO__))
|
*/
|
#if IS_ENABLED(CONFIG_TRACE_MMIO_ACCESS) && !(defined(__DISABLE_TRACE_MMIO__))
|
DECLARE_TRACEPOINT(rwmmio_write);
|
DECLARE_TRACEPOINT(rwmmio_read);
|
DECLARE_TRACEPOINT(rwmmio_post_read);
|
|
void __log_write_mmio(u64 val, u8 width, volatile void __iomem *addr);
|
void __log_read_mmio(u8 width, const volatile void __iomem *addr);
|
void __log_post_read_mmio(u64 val, u8 width, const volatile void __iomem *addr);
|
|
#define log_write_mmio(val, width, addr) \
|
do { \
|
if (tracepoint_enabled(rwmmio_write)) \
|
__log_write_mmio(val, width, addr); \
|
} while (0)
|
|
#define log_read_mmio(width, addr) \
|
do { \
|
if (tracepoint_enabled(rwmmio_read)) \
|
__log_read_mmio(width, addr); \
|
} while (0)
|
|
#define log_post_read_mmio(val, width, addr) \
|
do { \
|
if (tracepoint_enabled(rwmmio_post_read)) \
|
__log_post_read_mmio(val, width, addr); \
|
} while (0)
|
|
#else
|
static inline void log_write_mmio(u64 val, u8 width, volatile void __iomem *addr)
|
{ }
|
static inline void log_read_mmio(u8 width, const volatile void __iomem *addr)
|
{ }
|
static inline void log_post_read_mmio(u64 val, u8 width, const volatile void __iomem *addr)
|
{ }
|
#endif /* CONFIG_TRACE_MMIO_ACCESS */
|
|
#endif /* __LOG_MMIORW_H__ */
|
