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Date:   Sat,  9 Nov 2019 17:53:36 +0530
From:   Sourabh Jain <sourabhjain@...ux.ibm.com>
To:     mpe@...erman.id.au
Cc:     mahesh@...ux.vnet.ibm.com, hbathini@...ux.ibm.com,
        linux-kernel@...r.kernel.org, linuxppc-dev@...abs.org,
        corbet@....net, linux-doc@...r.kernel.org,
        Sourabh Jain <sourabhjain@...ux.ibm.com>
Subject: [PATCH v3 1/4] Documentation/ABI: add ABI documentation for /sys/kernel/fadump_*

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

Signed-off-by: Sourabh Jain <sourabhjain@...ux.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-dev@...ts.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@...ts.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@...ts.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@...ts.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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