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Documentation/ABI: Add ABI documentation for /sys/kernel/fadump_*

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Add missing ABI documentation for existing FADump sysfs files.

Signed-off-by: Sourabh Jain <sourabhjain@linux.ibm.com>
Reviewed-by: Hari Bathini <hbathini@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20191211160910.21656-2-sourabhjain@linux.ibm.com
This commit is contained in:
Sourabh Jain 2019-12-11 21:39:05 +05:30 committed by Michael Ellerman
parent ba32f4b021
commit f52153ab38
4 changed files with 30 additions and 0 deletions
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7
Documentation/ABI/testing/sysfs-kernel-fadump_enabled Normal file
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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

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Documentation/ABI/testing/sysfs-kernel-fadump_registered Normal file
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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

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Documentation/ABI/testing/sysfs-kernel-fadump_release_mem Normal file
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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.

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Documentation/ABI/testing/sysfs-kernel-fadump_release_opalcore Normal file
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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.