Commit f52153ab authored by Sourabh Jain's avatar Sourabh Jain Committed by Michael Ellerman
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Documentation/ABI: Add ABI documentation for /sys/kernel/fadump_* 



Add missing ABI documentation for existing FADump sysfs files.

Signed-off-by: default avatarSourabh Jain <sourabhjain@linux.ibm.com>
Reviewed-by: default avatarHari Bathini <hbathini@linux.ibm.com>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20191211160910.21656-2-sourabhjain@linux.ibm.com
parent ba32f4b0

Documentation/ABI/testing/sysfs-kernel-fadump_enabled

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What:		/sys/kernel/fadump_enabled

Date:		Feb 2012

Contact:	linuxppc-dev@lists.ozlabs.org

Description:	read only

		Primarily used to identify whether the FADump is enabled in

		the kernel or not.

User:		Kdump service

Documentation/ABI/testing/sysfs-kernel-fadump_registered

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What:		/sys/kernel/fadump_registered

Date:		Feb 2012

Contact:	linuxppc-dev@lists.ozlabs.org

Description:	read/write

		Helps to control the dump collect feature from userspace.

		Setting 1 to this file enables the system to collect the

		dump and 0 to disable it.

User:		Kdump service

Documentation/ABI/testing/sysfs-kernel-fadump_release_mem

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What:		/sys/kernel/fadump_release_mem

Date:		Feb 2012

Contact:	linuxppc-dev@lists.ozlabs.org

Description:	write only

		This is a special sysfs file and only available when

		the system is booted to capture the vmcore using FADump.

		It is used to release the memory reserved by FADump to

		save the crash dump.

Documentation/ABI/testing/sysfs-kernel-fadump_release_opalcore

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What:		/sys/kernel/fadump_release_opalcore

Date:		Sep 2019

Contact:	linuxppc-dev@lists.ozlabs.org

Description:	write only

		The sysfs file is available when the system is booted to

		collect the dump on OPAL based machine. It used to release

		the memory used to collect the opalcore.

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