From f52153ab383f04a45c38d8a7f55a4249477b20df Mon Sep 17 00:00:00 2001
From: Sourabh Jain <sourabhjain@linux.ibm.com>
Date: Wed, 11 Dec 2019 21:39:05 +0530
Subject: [PATCH 1/6] Documentation/ABI: Add ABI documentation for
/sys/kernel/fadump_*
References: bsc#1160018 ltc#182902 jsc#SLE-9099
Patch-mainline: v5.7-rc1
Git-commit: f52153ab383f04a45c38d8a7f55a4249477b20df
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
Acked-by: Michal Suchanek <msuchanek@suse.de>
---
Documentation/ABI/testing/sysfs-kernel-fadump_enabled | 7 +++++++
Documentation/ABI/testing/sysfs-kernel-fadump_registered | 8 ++++++++
Documentation/ABI/testing/sysfs-kernel-fadump_release_mem | 8 ++++++++
.../ABI/testing/sysfs-kernel-fadump_release_opalcore | 7 +++++++
4 files changed, 30 insertions(+)
create mode 100644 Documentation/ABI/testing/sysfs-kernel-fadump_enabled
create mode 100644 Documentation/ABI/testing/sysfs-kernel-fadump_registered
create mode 100644 Documentation/ABI/testing/sysfs-kernel-fadump_release_mem
create mode 100644 Documentation/ABI/testing/sysfs-kernel-fadump_release_opalcore
diff --git a/Documentation/ABI/testing/sysfs-kernel-fadump_enabled b/Documentation/ABI/testing/sysfs-kernel-fadump_enabled
new file mode 100644
index 000000000000..f73632b1c006
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-kernel-fadump_enabled
@@ -0,0 +1,7 @@
+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
diff --git a/Documentation/ABI/testing/sysfs-kernel-fadump_registered b/Documentation/ABI/testing/sysfs-kernel-fadump_registered
new file mode 100644
index 000000000000..dcf925e53f0f
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-kernel-fadump_registered
@@ -0,0 +1,8 @@
+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
diff --git a/Documentation/ABI/testing/sysfs-kernel-fadump_release_mem b/Documentation/ABI/testing/sysfs-kernel-fadump_release_mem
new file mode 100644
index 000000000000..9c20d64ab48d
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-kernel-fadump_release_mem
@@ -0,0 +1,8 @@
+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.
diff --git a/Documentation/ABI/testing/sysfs-kernel-fadump_release_opalcore b/Documentation/ABI/testing/sysfs-kernel-fadump_release_opalcore
new file mode 100644
index 000000000000..53313c1d4e7a
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-kernel-fadump_release_opalcore
@@ -0,0 +1,7 @@
+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.
--
2.23.0