[PATCH 1/2] docs: module: start adding some docs for MODULE_ macros.
Dave Airlie
airlied at gmail.com
Wed Apr 26 04:29:05 UTC 2023
From: Dave Airlie <airlied at redhat.com>
In order to add a new macro, Luis suggested converting some docs
for the new ones.
This tries to keep exisiting module_init, module_exit where they are,
and adds the new docs to the module section.
Cc: linux-doc at vger.kernel.org
Cc: Jonathan Corbet <corbet at lwn.net>
Cc: Luis Chamberlain <mcgrof at kernel.org>
Cc: linux-modules at vger.kernel.org
Signed-off-by: Dave Airlie <airlied at redhat.com>
---
Documentation/core-api/kernel-api.rst | 3 ++
Documentation/driver-api/basics.rst | 2 +-
include/linux/module.h | 76 ++++++++++++++++++---------
3 files changed, 54 insertions(+), 27 deletions(-)
diff --git a/Documentation/core-api/kernel-api.rst b/Documentation/core-api/kernel-api.rst
index 62f961610773..0b78b1a3e8a2 100644
--- a/Documentation/core-api/kernel-api.rst
+++ b/Documentation/core-api/kernel-api.rst
@@ -226,6 +226,9 @@ Module Loading
.. kernel-doc:: kernel/kmod.c
:export:
+.. kernel-doc:: include/linux/module.h
+ :no-identifiers: module_init module_exit klp_modinfo
+
Inter Module support
--------------------
diff --git a/Documentation/driver-api/basics.rst b/Documentation/driver-api/basics.rst
index 4b4d8e28d3be..fea42d6cad80 100644
--- a/Documentation/driver-api/basics.rst
+++ b/Documentation/driver-api/basics.rst
@@ -5,7 +5,7 @@ Driver Entry and Exit points
----------------------------
.. kernel-doc:: include/linux/module.h
- :internal:
+ :identifiers: module_init module_exit
Driver device table
-------------------
diff --git a/include/linux/module.h b/include/linux/module.h
index 4435ad9439ab..f9d072a7e198 100644
--- a/include/linux/module.h
+++ b/include/linux/module.h
@@ -182,23 +182,27 @@ extern void cleanup_module(void);
#define MODULE_FILE MODULE_INFO(file, KBUILD_MODFILE);
#endif
-/*
+/**
+ * MODULE_LICENSE - module license
+ * @_license: license covering this module.
+ *
* The following license idents are currently accepted as indicating free
* software modules
*
- * "GPL" [GNU Public License v2]
- * "GPL v2" [GNU Public License v2]
- * "GPL and additional rights" [GNU Public License v2 rights and more]
- * "Dual BSD/GPL" [GNU Public License v2
- * or BSD license choice]
- * "Dual MIT/GPL" [GNU Public License v2
- * or MIT license choice]
- * "Dual MPL/GPL" [GNU Public License v2
- * or Mozilla license choice]
+ * "GPL" [GNU Public License v2]
*
- * The following other idents are available
+ * "GPL v2" [GNU Public License v2]
*
- * "Proprietary" [Non free products]
+ * "GPL and additional rights" [GNU Public License v2 rights and more]
+ *
+ * "Dual BSD/GPL" [GNU Public License v2 or BSD license choice]
+ *
+ * "Dual MIT/GPL" [GNU Public License v2 or MIT license choice]
+ *
+ * "Dual MPL/GPL" [GNU Public License v2 or Mozilla license choice]
+ *
+ * The following other idents are available
+ * "Proprietary" [Non free products]
*
* Both "GPL v2" and "GPL" (the latter also in dual licensed strings) are
* merely stating that the module is licensed under the GPL v2, but are not
@@ -221,20 +225,26 @@ extern void cleanup_module(void);
* is a GPL combined work.
*
* This exists for several reasons
- * 1. So modinfo can show license info for users wanting to vet their setup
- * is free
+ *
+ * 1. So modinfo can show license info for users wanting to vet their setup is free
+ *
* 2. So the community can ignore bug reports including proprietary modules
+ *
* 3. So vendors can do likewise based on their own policies
*/
#define MODULE_LICENSE(_license) MODULE_FILE MODULE_INFO(license, _license)
-/*
- * Author(s), use "Name <email>" or just "Name", for multiple
- * authors use multiple MODULE_AUTHOR() statements/lines.
+/**
+ * MODULE_AUTHOR - Module author
+ * @_author: Author(s), use "Name <email>" or just "Name", for multiple
+ * authors use multiple MODULE_AUTHOR() statements/lines.
*/
#define MODULE_AUTHOR(_author) MODULE_INFO(author, _author)
-/* What your module does. */
+/**
+ * MODULE_DESCRIPTION - Module description
+ * @_description: What your module does.
+ */
#define MODULE_DESCRIPTION(_description) MODULE_INFO(description, _description)
#ifdef MODULE
@@ -246,19 +256,23 @@ extern typeof(name) __mod_##type##__##name##_device_table \
#define MODULE_DEVICE_TABLE(type, name)
#endif
-/* Version of form [<epoch>:]<version>[-<extra-version>].
+/**
+ * MODULE_VERSION: version of module
+ * @_version: version in the form below
+ *
+ * Version of form [<epoch>:]<version>[-<extra-version>].
* Or for CVS/RCS ID version, everything but the number is stripped.
* <epoch>: A (small) unsigned integer which allows you to start versions
* anew. If not mentioned, it's zero. eg. "2:1.0" is after
* "1:2.0".
-
+ *
* <version>: The <version> may contain only alphanumerics and the
- * character `.'. Ordered by numeric sort for numeric parts,
+ * character '.'. Ordered by numeric sort for numeric parts,
* ascii sort for ascii parts (as per RPM or DEB algorithm).
-
+ *
* <extraversion>: Like <version>, but inserted for local
* customizations, eg "rh3" or "rusty1".
-
+ *
* Using this automatically adds a checksum of the .c files and the
* local headers in "srcversion".
*/
@@ -284,11 +298,21 @@ extern typeof(name) __mod_##type##__##name##_device_table \
}
#endif
-/* Optional firmware file (or files) needed by the module
- * format is simply firmware file name. Multiple firmware
- * files require multiple MODULE_FIRMWARE() specifiers */
+/**
+ * MODULE_FIRMWARE - Optional firmware files needed by the module
+ * @_firmware: firmware file name
+ *
+ * Multiple firmware files require multiple MODULE_FIRMWARE() specifiers.
+ */
#define MODULE_FIRMWARE(_firmware) MODULE_INFO(firmware, _firmware)
+/**
+ * MODULE_IMPORT_NS - Set the symbol namespace for the module.
+ * @ns: symbol namespace to import the module into.
+ *
+ * This adds a modinfo tag 'import_ns' to the module. This is observed
+ * by userspace at module loading time.
+ */
#define MODULE_IMPORT_NS(ns) MODULE_INFO(import_ns, __stringify(ns))
struct notifier_block;
--
2.39.2
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