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47 lines
1.3 KiB
47 lines
1.3 KiB
// 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 <asm-generic/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) |
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{ |
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trace_rwmmio_write(caller_addr, 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) |
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{ |
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trace_rwmmio_post_write(caller_addr, 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) |
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{ |
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trace_rwmmio_read(caller_addr, 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) |
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{ |
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trace_rwmmio_post_read(caller_addr, 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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