Add the missing ABI documentation for the already available fadump
sysfs files.

Signed-off-by: Sourabh Jain <sourabhj...@linux.ibm.com>
---
 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-...@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..972e8c427ad4
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-kernel-fadump_registered
@@ -0,0 +1,8 @@
+What:          /sys/kernel/fadump/fadump_registered
+Date:          Feb 2012
+Contact:       linuxppc-...@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-...@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-...@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.
-- 
2.17.2

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