diff options
| author | Jani Nikula <jani.nikula@intel.com> | 2022-08-29 14:44:38 +0300 |
|---|---|---|
| committer | Jani Nikula <jani.nikula@intel.com> | 2022-08-29 15:14:59 +0300 |
| commit | 917bda9ab155032a02be1a57ebd4d949ae9e1528 (patch) | |
| tree | 7758d62783f5fb81777c37d0ad4e26eea6312c0f /lib/trace_readwrite.c | |
| parent | 95086cb969b2cb8abe4984457f219ec70d24052e (diff) | |
| parent | 2c2d7a67defa198a8b8148dbaddc9e5554efebc8 (diff) | |
Merge drm/drm-next into drm-intel-next
Sync drm-intel-next with v6.0-rc as well as recent drm-intel-gt-next.
Since drm-next does not have commit f0c70d41e4e8 ("drm/i915/guc: remove
runtime info printing from time stamp logging") yet, only
drm-intel-gt-next, will need to do that as part of the merge here to
build.
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Diffstat (limited to 'lib/trace_readwrite.c')
| -rw-r--r-- | lib/trace_readwrite.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/lib/trace_readwrite.c b/lib/trace_readwrite.c new file mode 100644 index 000000000000..88637038b30c --- /dev/null +++ b/lib/trace_readwrite.c @@ -0,0 +1,47 @@ +// 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) +{ + trace_rwmmio_write(caller_addr, 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) +{ + trace_rwmmio_post_write(caller_addr, 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) +{ + trace_rwmmio_read(caller_addr, 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) +{ + trace_rwmmio_post_read(caller_addr, val, width, addr); +} +EXPORT_SYMBOL_GPL(log_post_read_mmio); +EXPORT_TRACEPOINT_SYMBOL_GPL(rwmmio_post_read); +#endif /* CONFIG_TRACE_MMIO_ACCESS */ |