QAPI patches patches for 2025-04-08

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Merge tag 'pull-qapi-2025-04-08' of https://repo.or.cz/qemu/armbru into staging

QAPI patches patches for 2025-04-08

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# gpg: Signature made Tue 08 Apr 2025 03:08:33 EDT
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# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>" [full]
# gpg:                 aka "Markus Armbruster <armbru@pond.sub.org>" [full]
# Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867  4E5F 3870 B400 EB91 8653

* tag 'pull-qapi-2025-04-08' of https://repo.or.cz/qemu/armbru:
  qga/qapi-schema: Add a proper introduction
  storage-daemon/qapi/qapi-schema: Add a proper introduction
  qapi/qapi-schema: Address the introduction's bit rot
  qapi/qapi-schema: Update introduction for example notation
  docs/sphinx/qmp_lexer: Highlight elisions like comments, not prompts
  docs/sphinx/qmp_lexer: Generalize elision syntax
  docs/devel/qapi-code-gen: Improve the part on qmp-example directive
  docs/interop: Sanitize QMP reference manuals TOC
  docs/interop: Delete "QEMU Guest Agent Protocol Reference" TOC
  qapi/rocker: Tidy up query-rocker-of-dpa-flows example
  docs/devel/qapi-code-gen: Tidy up whitespace

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

docs/devel/qapi-code-gen.rst

@@ -763,8 +763,8 @@ Names beginning with ``x-`` used to signify "experimental".  This
 convention has been replaced by special feature "unstable".
 
 Pragmas ``command-name-exceptions`` and ``member-name-exceptions`` let
-you violate naming rules.  Use for new code is strongly discouraged. See
+you violate naming rules.  Use for new code is strongly discouraged.
-`Pragma directives`_ for details.
+See `Pragma directives`_ for details.
 
 
 Downstream extensions
@@ -1013,7 +1013,7 @@ like this::
 document the success and the error response, respectively.
 
 "Errors" sections should be formatted as an rST list, each entry
-detailing a relevant error condition. For example::
+detailing a relevant error condition.  For example::
 
  # Errors:
  #     - If @device does not exist, DeviceNotFound
@@ -1026,31 +1026,28 @@ definition.
 QMP).  In other sections, the text is formatted, and rST markup can be
 used.
 
-QMP Examples can be added by using the ``.. qmp-example::``
+QMP Examples can be added by using the ``.. qmp-example::`` directive.
-directive. In its simplest form, this can be used to contain a single
+In its simplest form, this can be used to contain a single QMP code
-QMP code block which accepts standard JSON syntax with additional server
+block which accepts standard JSON syntax with additional server
-directionality indicators (``->`` and ``<-``), and elisions (``...``).
+directionality indicators (``->`` and ``<-``), and elisions.  An
+elision is commonly ``...``, but it can also be or a pair of ``...``
+with text in between.
 
 Optionally, a plaintext title may be provided by using the ``:title:``
-directive option. If the title is omitted, the example title will
+directive option.  If the title is omitted, the example title will
 default to "Example:".
 
 A simple QMP example::
 
   # .. qmp-example::
-  #    :title: Using query-block
   #
-  #    -> { "execute": "query-block" }
+  #     -> { "execute": "query-name" }
-  #    <- { ... }
+  #     <- { "return": { "name": "Fred" } }
 
-More complex or multi-step examples where exposition is needed before or
+More complex or multi-step examples where exposition is needed before
-between QMP code blocks can be created by using the ``:annotated:``
+or between QMP code blocks can be created by using the ``:annotated:``
-directive option. When using this option, nested QMP code blocks must be
+directive option.  When using this option, nested QMP code blocks must
-entered explicitly with rST's ``::`` syntax.
+be entered explicitly with rST's ``::`` syntax.
-
-Highlighting in non-QMP languages can be accomplished by using the
-``.. code-block:: lang`` directive, and non-highlighted text can be
-achieved by omitting the language argument.
 
 For example::
 
@@ -1061,11 +1058,21 @@ For example::
   #    This is a more complex example that can use
   #    ``arbitrary rST syntax`` in its exposition::
   #
-  #      -> { "execute": "query-block" }
+  #     -> { "execute": "query-block" }
-  #      <- { ... }
+  #     <- { "return": [
+  #             {
+  #               "device": "ide0-hd0",
+  #               ...
+  #             }
+  #             ... more ...
+  #          ] }
   #
   #    Above, lengthy output has been omitted for brevity.
 
+Highlighting in non-QMP languages can be accomplished by using the
+``.. code-block:: lang`` directive, and non-highlighted text can be
+achieved by omitting the language argument.
+
 
 Examples of complete definition documentation::
 
@@ -1466,7 +1473,9 @@ As an example, we'll use the following schema, which describes a
 single complex user-defined type, along with command which takes a
 list of that type as a parameter, and returns a single element of that
 type.  The user is responsible for writing the implementation of
-qmp_my_command(); everything else is produced by the generator. ::
+qmp_my_command(); everything else is produced by the generator.
+
+::
 
     $ cat example-schema.json
     { 'struct': 'UserDefOne',

docs/interop/qemu-ga-ref.rst

@@ -1,9 +1,6 @@
 QEMU Guest Agent Protocol Reference
 ===================================
 
-.. contents::
-   :depth: 3
-
 .. qapi-doc:: qga/qapi-schema.json
    :transmogrify:
    :namespace: QGA

docs/interop/qemu-qmp-ref.rst

@@ -4,7 +4,7 @@ QEMU QMP Reference Manual
 =========================
 
 .. contents::
-   :depth: 3
+   :local:
 
 .. qapi-doc:: qapi/qapi-schema.json
    :transmogrify:

docs/interop/qemu-storage-daemon-qmp-ref.rst

@@ -2,7 +2,7 @@ QEMU Storage Daemon QMP Reference Manual
 ========================================
 
 .. contents::
-   :depth: 3
+   :local:
 
 .. qapi-doc:: storage-daemon/qapi/qapi-schema.json
    :transmogrify:

docs/sphinx/qmp_lexer.py

@@ -24,7 +24,7 @@ class QMPExampleMarkersLexer(RegexLexer):
         'root': [
             (r'-> ', token.Generic.Prompt),
             (r'<- ', token.Generic.Prompt),
-            (r' ?\.{3} ?', token.Generic.Prompt),
+            (r'\.{3}( .* \.{3})?', token.Comment.Multiline),
         ]
     }
 

qapi/qapi-schema.json

@@ -3,37 +3,24 @@
 ##
 # = Introduction
 #
-# This document describes all commands currently supported by QMP.
+# This manual describes the commands and events supported by the QEMU
+# Monitor Protocol (QMP).
 #
 # For locating a particular item, please see the `qapi-qmp-index`.
 #
-# Most of the time their usage is exactly the same as in the user
+# The following notation is used in examples:
-# Monitor, this means that any other document which also describe
-# commands (the manpage, QEMU's manual, etc) can and should be
-# consulted.
 #
-# QMP has two types of commands: regular and query commands.  Regular
+# .. qmp-example::
-# commands usually change the Virtual Machine's state someway, while
-# query commands just return information.  The sections below are
-# divided accordingly.
 #
-# It's important to observe that all communication examples are
+#   -> ... text sent by client (commands) ...
-# formatted in a reader-friendly way, so that they're easier to
+#   <- ... text sent by server (command responses and events) ...
-# understand.  However, in real protocol usage, they're emitted as a
-# single line.
 #
-# Also, the following notation is used to denote data flow:
+# Example text is formatted for readability.  However, in real
-#
+# protocol usage, its commonly emitted as a single line.
-# Example:
-#
-# ::
-#
-#   -> data issued by the Client
-#   <- Server data response
 #
 # Please refer to the
 # :doc:`QEMU Machine Protocol Specification </interop/qmp-spec>`
-# for detailed information on the Server command and response formats.
+# for the general format of commands, responses, and events.
 ##
 
 { 'include': 'pragma.json' }

qapi/rocker.json

@@ -254,7 +254,7 @@
 #                       "action": {"goto-tbl": 10},
 #                       "mask": {"in-pport": 4294901760}
 #                      },
-#                      {...},
+#                      ...
 #        ]}
 ##
 { 'command': 'query-rocker-of-dpa-flows',

qga/qapi-schema.json

@@ -2,10 +2,24 @@
 # vim: filetype=python
 
 ##
-# = QEMU guest agent protocol commands and structs
+# This manual describes the commands supported by the QEMU Guest
+# Agent Protocol.
 #
-# For a concise listing of all commands, events, and types in the QEMU
+# For locating  a particular item, please see the `qapi-qga-index`.
-# guest agent, please consult the `qapi-qga-index`.
+#
+# The following notation is used in examples:
+#
+# .. qmp-example::
+#
+#   -> ... text sent by client (commands) ...
+#   <- ... text sent by server (command responses and events) ...
+#
+# Example text is formatted for readability.  However, in real
+# protocol usage, its commonly emitted as a single line.
+#
+# Please refer to the
+# :doc:`QEMU Machine Protocol Specification </interop/qmp-spec>`
+# for the general format of commands, responses, and events.
 ##
 
 { 'pragma': { 'doc-required': true } }

storage-daemon/qapi/qapi-schema.json

@@ -14,10 +14,26 @@
 # storage daemon.
 
 ##
-# = QEMU storage daemon protocol commands and structs
+# = Introduction
 #
-# For a concise listing of all commands, events, and types in the QEMU
+# This manual describes the commands and events supported by the QEMU
-# storage daemon, please consult the `qapi-qsd-index`.
+# storage daemon QMP.
+#
+# For locating a particular item, please see the `qapi-qsd-index`.
+#
+# The following notation is used in examples:
+#
+# .. qmp-example::
+#
+#   -> ... text sent by client (commands) ...
+#   <- ... text sent by server (command responses and events) ...
+#
+# Example text is formatted for readability.  However, in real
+# protocol usage, its commonly emitted as a single line.
+#
+# Please refer to the
+# :doc:`QEMU Machine Protocol Specification </interop/qmp-spec>`
+# for the general format of commands, responses, and events.
 ##
 
 

tests/qapi-schema/doc-good.json

@@ -212,7 +212,7 @@
 #
 #    -> "this example"
 #
-#    <- "has no title"
+#    <- ... has no title ...
 ##
 { 'command': 'cmd-boxed', 'boxed': true,
   'data': 'Object',

tests/qapi-schema/doc-good.out

@@ -217,7 +217,7 @@ another feature
 
    -> "this example"
 
-   <- "has no title"
+   <- ... has no title ...
 doc symbol=EVT_BOXED
     body=
 

tests/qapi-schema/doc-good.txt

@@ -264,7 +264,7 @@ Example::
 
    -> "this example"
 
-   <- "has no title"
+   <- ... has no title ...
 
 
 "EVT_BOXED" (Event)