[Skiboot] [PATCH 023/110] doc: prettify OPAL_PRD_MSG

[Stewart Smith]

Signed-off-by: Stewart Smith <stewart at linux.ibm.com>
---
 doc/opal-api/opal-messages.rst    |  4 +++-
 doc/opal-api/opal-prd-msg-113.rst | 10 +++++++++-
 2 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/doc/opal-api/opal-messages.rst b/doc/opal-api/opal-messages.rst
index b023622d2d26..e7de77d96850 100644
--- a/doc/opal-api/opal-messages.rst
+++ b/doc/opal-api/opal-messages.rst
@@ -134,6 +134,8 @@ requested and a forced shutdown will happen in future. Host OS can use
 OPAL_GET_DPO_STATUS API to query OPAL the number of seconds remaining
 before a forced poweroff will occur.
 
+.. _OPAL_MSG_PRD:
+
 OPAL_MSG_PRD
 ------------
 
@@ -177,7 +179,7 @@ struct opal_prd_msg: ::
 	};
 
 Responses from the kernel use the same message format, but are passed
-through the opal_prd_msg call.
+through the :ref:`OPAL_PRD_MSG` call.
 
 OPAL_MSG_OCC
 ------------
diff --git a/doc/opal-api/opal-prd-msg-113.rst b/doc/opal-api/opal-prd-msg-113.rst
index 0cda30aa5285..91d30aca7552 100644
--- a/doc/opal-api/opal-prd-msg-113.rst
+++ b/doc/opal-api/opal-prd-msg-113.rst
@@ -1,8 +1,16 @@
+.. _OPAL_PRD_MSG:
+
 OPAL_PRD_MSG
 ============
 
+.. code-block:: c
+
+   #define OPAL_PRD_MSG				113
+
+   int64_t opal_prd_msg(struct opal_prd_msg *msg);
+
 The OPAL_PRD_MSG call is used to pass a struct opal_prd_msg from the HBRT
-code into opal, and is paired with the OPAL_PRD_MSG message type.
+code into opal, and is paired with the :ref:`OPAL_PRD_MSG` message type.
 
 Parameters
 ----------
-- 
2.21.0