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- /* 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__ */
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