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asm-generic/io.h can be replaced with linux/io.h and the file will still build correctly. It is an asm-generic file which should be avoided if possible. Link: https://lkml.kernel.org/r/20231221-tracereadwrite-v1-1-a434f25180c7@google.com Signed-off-by: Tanzir Hasan <tanzirh@google.com> Suggested-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
48 lines
1.5 KiB
C
48 lines
1.5 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Register read and write tracepoints
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*
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* Copyright (c) 2021-2022 Qualcomm Innovation Center, Inc. All rights reserved.
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*/
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#include <linux/ftrace.h>
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#include <linux/module.h>
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#include <linux/io.h>
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#define CREATE_TRACE_POINTS
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#include <trace/events/rwmmio.h>
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#ifdef CONFIG_TRACE_MMIO_ACCESS
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void log_write_mmio(u64 val, u8 width, volatile void __iomem *addr,
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unsigned long caller_addr, unsigned long caller_addr0)
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{
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trace_rwmmio_write(caller_addr, caller_addr0, val, width, addr);
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}
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EXPORT_SYMBOL_GPL(log_write_mmio);
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EXPORT_TRACEPOINT_SYMBOL_GPL(rwmmio_write);
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void log_post_write_mmio(u64 val, u8 width, volatile void __iomem *addr,
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unsigned long caller_addr, unsigned long caller_addr0)
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{
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trace_rwmmio_post_write(caller_addr, caller_addr0, val, width, addr);
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}
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EXPORT_SYMBOL_GPL(log_post_write_mmio);
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EXPORT_TRACEPOINT_SYMBOL_GPL(rwmmio_post_write);
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void log_read_mmio(u8 width, const volatile void __iomem *addr,
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unsigned long caller_addr, unsigned long caller_addr0)
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{
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trace_rwmmio_read(caller_addr, caller_addr0, width, addr);
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}
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EXPORT_SYMBOL_GPL(log_read_mmio);
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EXPORT_TRACEPOINT_SYMBOL_GPL(rwmmio_read);
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void log_post_read_mmio(u64 val, u8 width, const volatile void __iomem *addr,
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unsigned long caller_addr, unsigned long caller_addr0)
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{
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trace_rwmmio_post_read(caller_addr, caller_addr0, val, width, addr);
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}
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EXPORT_SYMBOL_GPL(log_post_read_mmio);
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EXPORT_TRACEPOINT_SYMBOL_GPL(rwmmio_post_read);
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#endif /* CONFIG_TRACE_MMIO_ACCESS */
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