On Tuesday 06 June 2017 05:16:44 Andy Lutomirski wrote: > Many laptops (and maybe servers?) have embedded WMI Binary MOF > metadata. We do not yet have open-source tools for processing the > data, although one is in the works thanks to Pali: > > https://github.com/pali/bmfdec > > There is currently no interface to get the data in the first place. > By exposing it, we facilitate the development of new tools. > > Signed-off-by: Andy Lutomirski <luto@xxxxxxxxxx> > Cc: Andy Lutomirski <luto@xxxxxxxxxxxxxx> > Cc: Mario Limonciello <mario_limonciello@xxxxxxxx> > Cc: Pali Rohár <pali.rohar@xxxxxxxxx> > Cc: linux-kernel@xxxxxxxxxxxxxxx > Cc: platform-driver-x86@xxxxxxxxxxxxxxx > Cc: linux-acpi@xxxxxxxxxxxxxxx > [dvhart: make sysfs mof binary read only, fixup comment block format] > [dvhart: use bmof terminology and dev_err instead of dev_warn] > Acked-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx> > Signed-off-by: Darren Hart (VMware) <dvhart@xxxxxxxxxxxxx> > --- > since-v1: > * address Pali's comments: > * update the cover letter for clarity and accuracy > * update mof->bmof and MOF to Binary MOF throughout the patch > * use dev_err instead of dev_warn in wmi_bmof_probe > > > drivers/platform/x86/Kconfig | 12 ++++ > drivers/platform/x86/Makefile | 1 + > drivers/platform/x86/wmi-bmof.c | 125 Another suggestion (unrelated to this patch): For working with ACPI-WMI, this binary MOF buffer is not enough. It is needed also content of _WDG buffer. What about exporting it too via sysfs? Probably not part of of wmi-bmof driver, but wmi driver itself. -- Pali Rohár pali.rohar@xxxxxxxxx
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