linux.git/sound/soc/sof/debug.c, branch v5.16 Linux kernel source tree ASoC: SOF: debug: Print out the fw_state along with the DSP dump 2021-10-07T14:45:33+00:00 Peter Ujfalusi peter.ujfalusi@linux.intel.com 2021-10-06T11:06:37+00:00 c05ec07143998d8505a054378f8d5b287648c9bf The fw state can be an important information along with the DSP dump. Print it out before the dump. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com> Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com> Link: https://lore.kernel.org/r/20211006110645.26679-12-peter.ujfalusi@linux.intel.com Signed-off-by: Mark Brown <broonie@kernel.org> 
The fw state can be an important information along with the DSP dump.
Print it out before the dump.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Link: https://lore.kernel.org/r/20211006110645.26679-12-peter.ujfalusi@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
ASoC: SOF: debug: Add SOF_DBG_DUMP_OPTIONAL flag for DSP dumping 2021-10-07T14:45:29+00:00 Peter Ujfalusi peter.ujfalusi@linux.intel.com 2021-10-06T11:06:34+00:00 34346a383de96e9fcecb1906d711fc1b09d9b90a The new SOF_DBG_DUMP_OPTIONAL flag can be used to mark a DSP dump that should only be printed when the SOF_DBG_PRINT_ALL_DUMPS sof_core_debug flag is set, otherwise it should be ignored and not printed. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com> Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com> Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Link: https://lore.kernel.org/r/20211006110645.26679-9-peter.ujfalusi@linux.intel.com Signed-off-by: Mark Brown <broonie@kernel.org> 
The new SOF_DBG_DUMP_OPTIONAL flag can be used to mark a DSP dump that
should only be printed when the SOF_DBG_PRINT_ALL_DUMPS sof_core_debug
flag is set, otherwise it should be ignored and not printed.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20211006110645.26679-9-peter.ujfalusi@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
ASoC: SOF: debug/ops: Move the IPC and DSP dump functions out from the header 2021-10-07T14:45:28+00:00 Peter Ujfalusi peter.ujfalusi@linux.intel.com 2021-10-06T11:06:33+00:00 360fa3234e9205306b7730d9afa64c8c3f909160 To be usable in platform code, move the IPC and DSP dump function to debug.c and export it in a similar way as the snd_sof_handle_fw_exception() Make the snd_sof_ipc_dump() static as it is only used in debug.c Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com> Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com> Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Link: https://lore.kernel.org/r/20211006110645.26679-8-peter.ujfalusi@linux.intel.com Signed-off-by: Mark Brown <broonie@kernel.org> 
To be usable in platform code, move the IPC and DSP dump function to
debug.c and export it in a similar way as the snd_sof_handle_fw_exception()

Make the snd_sof_ipc_dump() static as it is only used in debug.c

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20211006110645.26679-8-peter.ujfalusi@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
ASoC: SOF: Print the dbg_dump and ipc_dump once to reduce kernel log noise 2021-10-07T14:45:25+00:00 Peter Ujfalusi peter.ujfalusi@linux.intel.com 2021-10-06T11:06:30+00:00 9ff90859b95f6c85ce2d671ecd1e95e91dbe7f15 Do not print the dump more than once to keep the kernel log cleaner in case of a firmware failure. When the DSP is rebooted due to suspend or runtime_suspend reset the flags to re-enable the dump prints. Add also a debug flag to print all dumps to get more coverage if needed. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com> Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com> Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Link: https://lore.kernel.org/r/20211006110645.26679-5-peter.ujfalusi@linux.intel.com Signed-off-by: Mark Brown <broonie@kernel.org> 
Do not print the dump more than once to keep the kernel log cleaner in case
of a firmware failure.

When the DSP is rebooted due to suspend or runtime_suspend reset the flags
to re-enable the dump prints.

Add also a debug flag to print all dumps to get more coverage if needed.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20211006110645.26679-5-peter.ujfalusi@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
ASoC: SOF: debug: Swap the dsp_dump and ipc_dump sequence for fw_exception 2021-10-07T14:45:22+00:00 Peter Ujfalusi peter.ujfalusi@linux.intel.com 2021-10-06T11:06:28+00:00 e85c26eca639f3cf0ad989756f0eac2045391bb6 snd_sof_dsp_panic() only prints dsp_dump followed by flushing the DMA trace buffer. To retain similar 'sequence' first do an ipc_dump then the dsp_dump and finally flush the trace buffer in case of fw_exception. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com> Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com> Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Link: https://lore.kernel.org/r/20211006110645.26679-3-peter.ujfalusi@linux.intel.com Signed-off-by: Mark Brown <broonie@kernel.org> 
snd_sof_dsp_panic() only prints dsp_dump followed by flushing the DMA trace
buffer.

To retain similar 'sequence' first do an ipc_dump then the dsp_dump and
finally flush the trace buffer in case of fw_exception.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20211006110645.26679-3-peter.ujfalusi@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
ASoC: SOF: probe: Merge and clean up the probe and compress files 2021-09-16T13:04:13+00:00 Peter Ujfalusi peter.ujfalusi@linux.intel.com 2021-09-16T10:32:09+00:00 7bbdda8009001d66611314e67a3f498d4b412c64 The probe debug functionality is implemented via compress support and it was spread across two set of files: probe.c/h compress.c/h Merge the two files into sof-probes.s/h and clean them up by removing unused struct definitions, functions. We can also move most of the functions static as they are only used internally. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com> Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com> Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com> Link: https://lore.kernel.org/r/20210916103211.1573-5-peter.ujfalusi@linux.intel.com Signed-off-by: Mark Brown <broonie@kernel.org> 
The probe debug functionality is implemented via compress support and it
was spread across two set of files:
probe.c/h
compress.c/h

Merge the two files into sof-probes.s/h and clean them up by removing
unused struct definitions, functions. We can also move most of the
functions static as they are only used internally.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Link: https://lore.kernel.org/r/20210916103211.1573-5-peter.ujfalusi@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
ASoC: SOF: debug: No need to export the snd_sof_debugfs_io_item() 2021-09-15T15:25:09+00:00 Peter Ujfalusi peter.ujfalusi@linux.intel.com 2021-09-15T12:21:16+00:00 bde4f08cff47632f0a52e15a613365e26608d003 The snd_sof_debugfs_io_item() only used within debug.c, no need to export it. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com> Reviewed-by: Daniel Baluta <daniel.baluta@gmail.com> Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com> Reviewed-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com> Link: https://lore.kernel.org/r/20210915122116.18317-13-peter.ujfalusi@linux.intel.com Signed-off-by: Mark Brown <broonie@kernel.org> 
The snd_sof_debugfs_io_item() only used within debug.c, no need to export
it.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Daniel Baluta <daniel.baluta@gmail.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
Link: https://lore.kernel.org/r/20210915122116.18317-13-peter.ujfalusi@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
ASoC: SOF: debug: Add generic API and ops for DSP regions 2021-09-15T15:25:05+00:00 Peter Ujfalusi peter.ujfalusi@linux.intel.com 2021-09-15T12:21:12+00:00 07e833b473e417f13c5a62aa6f63dbbd3028d277 Add new debugfs_add_region_item along with a generic wrapper snd_sof_debugfs_add_region_item() to abstract away the DSP regions related debugfs support. At the same commit add iomem based generic implementation for the new ops Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com> Reviewed-by: Daniel Baluta <daniel.baluta@gmail.com> Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com> Reviewed-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com> Link: https://lore.kernel.org/r/20210915122116.18317-9-peter.ujfalusi@linux.intel.com Signed-off-by: Mark Brown <broonie@kernel.org> 
Add new debugfs_add_region_item along with a generic wrapper
snd_sof_debugfs_add_region_item() to abstract away the DSP regions related
debugfs support.

At the same commit add iomem based generic implementation for the new ops

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Daniel Baluta <daniel.baluta@gmail.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
Link: https://lore.kernel.org/r/20210915122116.18317-9-peter.ujfalusi@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
ASoC: SOF: remove superfluous NULL check in debugfs read 2021-03-16T13:25:46+00:00 Guennadi Liakhovetski guennadi.liakhovetski@linux.intel.com 2021-03-15T16:39:32+00:00 97f53046d746bef513d5fbaac53eedb011968407 When reading from IPC flood debugfs entries no need to check whether .cache_buf is NULL - it's impossible since otherwise the initialisation would have failed. This also fixes a klocwork reported issue: passed to function and may be dereferenced there by passing argument 2 to function 'memcpy' at line 510. sound/soc/sof/debug.c:510 | sof_dfsentry_read() Reported-by: Keqiao Zhang <keqiao.zhang@intel.com> Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com> Reviewed-by: Xiuli Pan <xiulipan@outlook.com> Signed-off-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com> Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Link: https://lore.kernel.org/r/20210315163932.18663-4-pierre-louis.bossart@linux.intel.com Signed-off-by: Mark Brown <broonie@kernel.org> 
When reading from IPC flood debugfs entries no need to check whether
.cache_buf is NULL - it's impossible since otherwise the initialisation
would have failed. This also fixes a klocwork reported issue:

passed to function and may be dereferenced there by passing argument 2
to function 'memcpy' at line 510.
sound/soc/sof/debug.c:510 | sof_dfsentry_read()

Reported-by: Keqiao Zhang <keqiao.zhang@intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Xiuli Pan <xiulipan@outlook.com>
Signed-off-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20210315163932.18663-4-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
ASoC: SOF: only allocate debugfs cache buffers for IPC flood entries 2021-03-16T13:25:45+00:00 Guennadi Liakhovetski guennadi.liakhovetski@linux.intel.com 2021-03-15T16:39:31+00:00 72c35856b5edc3f734be5699e9f6737190a1d897 snd_sof_debugfs_buf_item() is an exported function and is called from different locations to initialise different debugfs entries. However .cache_buf is only needed for IPC flood entries. Limit allocations respectively. Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com> Reviewed-by: Xiuli Pan <xiulipan@outlook.com> Signed-off-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com> Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Link: https://lore.kernel.org/r/20210315163932.18663-3-pierre-louis.bossart@linux.intel.com Signed-off-by: Mark Brown <broonie@kernel.org> 
snd_sof_debugfs_buf_item() is an exported function and is called from
different locations to initialise different debugfs entries. However
.cache_buf is only needed for IPC flood entries. Limit allocations
respectively.

Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Xiuli Pan <xiulipan@outlook.com>
Signed-off-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20210315163932.18663-3-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>