[RFC v2 15/16] docs: add luo documentation

[Pasha Tatashin <pasha.tatashin@xxxxxxxxxx>]

Add the main documentation file for the Live Update Orchestrator
subsystem at Documentation/admin-guide/liveupdate.rst.

The new file is included in the main
Documentation/admin-guide/index.rst table of contents.

Signed-off-by: Pasha Tatashin <pasha.tatashin@xxxxxxxxxx>
---
 Documentation/admin-guide/index.rst      |  1 +
 Documentation/admin-guide/liveupdate.rst | 62 ++++++++++++++++++++++++
 2 files changed, 63 insertions(+)
 create mode 100644 Documentation/admin-guide/liveupdate.rst

diff --git a/Documentation/admin-guide/index.rst b/Documentation/admin-guide/index.rst
index 259d79fbeb94..3f59ccf32760 100644
--- a/Documentation/admin-guide/index.rst
+++ b/Documentation/admin-guide/index.rst
@@ -95,6 +95,7 @@ likely to be of interest on almost any system.
    cgroup-v2
    cgroup-v1/index
    cpu-load
+   liveupdate
    mm/index
    module-signing
    namespaces/index
diff --git a/Documentation/admin-guide/liveupdate.rst b/Documentation/admin-guide/liveupdate.rst
new file mode 100644
index 000000000000..bff9475d2518
--- /dev/null
+++ b/Documentation/admin-guide/liveupdate.rst
@@ -0,0 +1,62 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+==============================
+Live Update Orchestrator (LUO)
+==============================
+:Author: Pasha Tatashin <pasha.tatashin@xxxxxxxxxx>
+
+.. kernel-doc:: drivers/misc/liveupdate/luo_core.c
+   :doc: Live Update Orchestrator (LUO)
+
+LUO Subsystems Participation
+============================
+.. kernel-doc:: drivers/misc/liveupdate/luo_subsystems.c
+   :doc: LUO Subsystems support
+
+LUO Preserving File Descriptors
+===============================
+.. kernel-doc:: drivers/misc/liveupdate/luo_files.c
+   :doc: LUO file descriptors
+
+LUO ioctl interface
+===================
+.. kernel-doc:: drivers/misc/liveupdate/luo_ioctl.c
+   :doc: LUO ioctl Interface
+
+LUO sysfs interface
+===================
+.. kernel-doc:: drivers/misc/liveupdate/luo_sysfs.c
+   :doc: LUO sysfs interface
+
+LUO selftests ioctl
+===================
+.. kernel-doc:: drivers/misc/liveupdate/luo_selftests.c
+   :doc: LUO Selftests
+
+ioctl uAPI
+===========
+.. kernel-doc:: include/uapi/linux/liveupdate.h
+
+Public API
+==========
+.. kernel-doc:: include/linux/liveupdate.h
+
+.. kernel-doc:: drivers/misc/liveupdate/luo_core.c
+   :export:
+
+.. kernel-doc:: drivers/misc/liveupdate/luo_subsystems.c
+   :export:
+
+.. kernel-doc:: drivers/misc/liveupdate/luo_files.c
+   :export:
+
+Internal API
+============
+.. kernel-doc:: drivers/misc/liveupdate/luo_core.c
+   :internal:
+
+.. kernel-doc:: drivers/misc/liveupdate/luo_subsystems.c
+   :internal:
+
+.. kernel-doc:: drivers/misc/liveupdate/luo_files.c
+   :internal:
-- 
2.49.0.1101.gccaa498523-goog