| // 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 */ |