Commit Graph
70 Commits
Author SHA1 Message Date
John SnowandMarkus Armbruster a3763337ad qapi: add cross-references to block layer
Signed-off-by: John Snow <jsnow@redhat.com>
Message-ID: <20250711054005.60969-4-jsnow@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
[Two unwanted cross-references dropped]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2025-07-14 12:55:17 +02:00
John SnowandMarkus Armbruster f7296f8de5 qapi: rephrase return docs to avoid type name
"Returns: <description>" is rendered like "Return: <Type> –
<description>".  Mentioning the type in the description again is
commonly redundant.  Rephrase such descriptions not to.

Well, I tried. Maybe not very hard. Sorry!

Signed-off-by: John Snow <jsnow@redhat.com>
Message-ID: <20250711051045.51110-5-jsnow@redhat.com>
Acked-by: Markus Armbruster <armbru@redhat.com>
[Commit message amended to explain why]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2025-07-14 12:35:39 +02:00
John SnowandMarkus Armbruster 6c10778826 docs/sphinx: remove special parsing for freeform sections
Remove the QAPI doc section heading syntax, use plain rST section
headings instead.

Tests and documentation are updated to match.

Interestingly, Plain rST headings work fine before this patch, except
for over- and underlining with '=', which the doc parser rejected as
invalid QAPI doc section heading in free-form comments.

Signed-off-by: John Snow <jsnow@redhat.com>
Message-ID: <20250618165353.1980365-5-jsnow@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
[Add more detail to commit message]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2025-07-14 10:08:27 +02:00
Markus Armbruster 83691fa069 qapi: Fix capitalization in doc comments
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20250527073916.1243024-8-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
2025-06-03 08:34:57 +02:00
Pierrick BouvierandMarkus Armbruster e1a80c3241 qapi: use imperative style in documentation
As requested by Markus:
> We prefer imperative mood "Return" over "Returns".

Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Message-ID: <20250522190542.588267-14-pierrick.bouvier@linaro.org>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
[Change several more]
2025-05-28 18:59:12 +02:00
Markus Armbruster 01bed0ff14 qapi: Refill doc comments to conform to conventions
Sweep the entire documentation again.  Last done in commit
209e64d9ed (qapi: Refill doc comments to conform to current
conventions).

To check the generated documentation does not change, I compared the
generated HTML before and after this commit with "wdiff -3".  Finds no
differences.  Comparing with diff is not useful, as the reflown
paragraphs are visible there.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20240729065220.860163-1-armbru@redhat.com>
[Straightforward conflict with commit 442110bc6f resolved]
2024-08-05 09:31:51 +02:00
John SnowandMarkus Armbruster 6f07c59fb1 qapi: convert "Example" sections with longer prose
These examples require longer explanations or have explanations that
require markup to look reasonable when rendered and so use the longer
form of the ".. qmp-example::" directive.

By using the :annotated: option, the content in the example block is
assumed *not* to be a code block literal and is instead parsed as normal
rST - with the exception that any code literal blocks after `::` will
assumed to be a QMP code literal block.

Note: There's one title-less conversion in this patch that comes along
for the ride because it's part of a larger "Examples" block that was
better to convert all at once.

See commit-5: "docs/qapidoc: create qmp-example directive", for a
              detailed explanation of this custom directive syntax.

See commit+1: "qapi: remove "Example" doc section" for a detailed
              explanation of why.

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20240717021312.606116-9-jsnow@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2024-07-17 10:20:53 +02:00
John SnowandMarkus Armbruster a9eab6e2e6 qapi: convert "Example" sections with titles
When an Example section has a brief explanation, convert it to a
qmp-example:: section using the :title: option.

Rule of thumb: If the title can fit on a single line and requires no rST
markup, it's a good candidate for using the :title: option of
qmp-example.

In this patch, trailing punctuation is removed from the title section
for consistent headline aesthetics. In just one case, specifics of the
example are removed to make the title read better.

See commit-4: "docs/qapidoc: create qmp-example directive", for a
              detailed explanation of this custom directive syntax.

See commit+2: "qapi: remove "Example" doc section" for a detailed
              explanation of why.

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20240717021312.606116-8-jsnow@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2024-07-17 10:20:53 +02:00
John SnowandMarkus Armbruster 14b48aaab9 qapi: convert "Example" sections without titles
Use the no-option form of ".. qmp-example::" to convert any Examples
that do not have any form of caption or explanation whatsoever. Note
that in a few cases, example sections are split into two or more
separate example blocks. This is only done stylistically to create a
delineation between two or more logically independent examples.

See commit-3: "docs/qapidoc: create qmp-example directive", for a
              detailed explanation of this custom directive syntax.

See commit+3: "qapi: remove "Example" doc section" for a detailed
              explanation of why.

Note: an empty "TODO" line was added to announce-self to keep the
example from floating up into the body; this will be addressed more
rigorously in the new qapidoc generator.

Signed-off-by: John Snow <jsnow@redhat.com>
Message-ID: <20240717021312.606116-7-jsnow@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
[Markup fixed in one place]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2024-07-17 10:20:53 +02:00
John SnowandMarkus Armbruster d461c27973 qapi: convert "Note" sections to plain rST
We do not need a dedicated section for notes. By eliminating a specially
parsed section, these notes can be treated as normal rST paragraphs in
the new QMP reference manual, and can be placed and styled much more
flexibly.

Convert all existing "Note" and "Notes" sections to pure rST. As part of
the conversion, capitalize the first letter of each sentence and add
trailing punctuation where appropriate to ensure notes look sensible and
consistent in rendered HTML documentation. Markup is also re-aligned to
the de-facto standard of 3 spaces for directives.

Update docs/devel/qapi-code-gen.rst to reflect the new paradigm, and
update the QAPI parser to prohibit "Note" sections while suggesting a
new syntax. The exact formatting to use is a matter of taste, but a good
candidate is simply:

.. note:: lorem ipsum ...
   ... dolor sit amet ...
   ... consectetur adipiscing elit ...

... but there are other choices, too. The Sphinx readthedocs theme
offers theming for the following forms (capitalization unimportant); all
are adorned with a (!) symbol () in the title bar for rendered HTML
docs.

See
https://sphinx-rtd-theme.readthedocs.io/en/stable/demo/demo.html#admonitions
for examples of each directive/admonition in use.

These are rendered in orange:

.. Attention:: ...
.. Caution:: ...
.. WARNING:: ...

These are rendered in red:

.. DANGER:: ...
.. Error:: ...

These are rendered in green:

.. Hint:: ...
.. Important:: ...
.. Tip:: ...

These are rendered in blue:

.. Note:: ...
.. admonition:: custom title

   admonition body text

This patch uses ".. note::" almost everywhere, with just two "caution"
directives. Several instances of "Notes:" have been converted to
merely ".. note::", or multiple ".. note::" where appropriate.
".. admonition:: notes" is used in a few places where we had an
ordered list of multiple notes that would not make sense as
standalone/separate admonitions.  Two "Note:" following "Example:"
have been turned into ordinary paragraphs within the example.

NOTE: Because qapidoc.py does not attempt to preserve source ordering of
sections, the conversion of Notes from a "tagged section" to an
"untagged section" means that rendering order for some notes *may
change* as a result of this patch. The forthcoming qapidoc.py rewrite
strictly preserves source ordering in the rendered documentation, so
this issue will be rectified in the new generator.

Signed-off-by: John Snow <jsnow@redhat.com>
Acked-by: Stefan Hajnoczi <stefanha@redhat.com> [for block*.json]
Message-ID: <20240626222128.406106-11-jsnow@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
[Commit message clarified slightly, period added to one more note]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2024-07-06 08:58:24 +02:00
Markus Armbruster 209e64d9ed qapi: Refill doc comments to conform to current conventions
For legibility, wrap text paragraphs so every line is at most 70
characters long.

To check the generated documentation does not change, I compared the
generated HTML before and after this commit with "wdiff -3".  Finds no
differences.  Comparing with diff is not useful, as the refilled
paragraphs are visible there.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20240322140910.328840-11-armbru@redhat.com>
2024-03-26 06:36:08 +01:00
Markus Armbruster b5e29402f1 qapi: Tidy up block-latency-histogram-set documentation some more
Commit a937b6aa73 (qapi: Reformat doc comments to conform to current
conventions) reflowed some text that should have been left alone.
Revert that.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20240322140910.328840-4-armbru@redhat.com>
2024-03-26 06:36:08 +01:00
Markus Armbruster 53d5c36d8d qapi: Delete useless "Returns" sections
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20240227113921.236097-6-armbru@redhat.com>
2024-03-04 07:12:40 +01:00
Markus Armbruster 2746f060be qapi: Move error documentation to new "Errors" sections
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20240227113921.236097-5-armbru@redhat.com>
2024-03-04 07:12:40 +01:00
Markus Armbruster d23055b8db qapi: Require descriptions and tagged sections to be indented
By convention, we indent the second and subsequent lines of
descriptions and tagged sections, except for examples.

Turn this into a hard rule, and apply it to examples, too.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20240216145841.2099240-11-armbru@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
[Straightforward conflicts in qapi/migration.json resolved]
2024-02-26 10:43:56 +01:00
Markus Armbruster 9e272073e1 qapi: Reformat recent doc comments to conform to current conventions
Since commit a937b6aa73 (qapi: Reformat doc comments to conform to
current conventions), a number of comments not conforming to the
current formatting conventions were added.  No problem, just sweep
the entire documentation once more.

To check the generated documentation does not change, I compared the
generated HTML before and after this commit with "wdiff -3".  Finds no
differences.  Comparing with diff is not useful, as the reflown
paragraphs are visible there.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20230720071610.1096458-7-armbru@redhat.com>
2023-07-26 14:51:36 +02:00
Markus Armbruster e893b9e3b3 qapi/block: Tidy up block-latency-histogram-set documentation
Examples come out like

    Example

       set new histograms for all io types with intervals [0, 10), [10,
       50), [50, 100), [100, +inf):

The sentence "set new histograms ..." starts with a lower case letter.
Capitalize it.  Same for the other examples.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20230720071610.1096458-3-armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2023-07-26 14:51:36 +02:00
Sam LiandStefan Hajnoczi 52eb76f4b1 block: add accounting for zone append operation
Taking account of the new zone append write operation for zoned devices,
BLOCK_ACCT_ZONE_APPEND enum is introduced as other I/O request type (read,
write, flush).

Signed-off-by: Sam Li <faithilikerun@gmail.com>
Message-id: 20230508051916.178322-3-faithilikerun@gmail.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2023-05-15 08:18:10 -04:00
Markus Armbruster a937b6aa73 qapi: Reformat doc comments to conform to current conventions
Change

    # @name: Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed
    #        do eiusmod tempor incididunt ut labore et dolore magna aliqua.

to

    # @name: Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed
    #     do eiusmod tempor incididunt ut labore et dolore magna aliqua.

See recent commit "qapi: Relax doc string @name: description
indentation rules" for rationale.

Reflow paragraphs to 70 columns width, and consistently use two spaces
to separate sentences.

To check the generated documentation does not change, I compared the
generated HTML before and after this commit with "wdiff -3".  Finds no
differences.  Comparing with diff is not useful, as the reflown
paragraphs are visible there.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20230428105429.1687850-18-armbru@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Acked-by: Lukas Straub <lukasstraub2@web.de>
[Straightforward conflicts in qapi/audio.json qapi/misc-target.json
qapi/run-state.json resolved]
2023-05-10 10:01:01 +02:00
Markus Armbruster 37fa48a4cb qapi: Tidy up examples
A few examples neglect to prefix QMP input with '->'.  Fix that.

Two examples have extra space after '<-'.  Delete it.

A few examples neglect to show output.  Provide some.  The example
output for query-vcpu-dirty-limit could use further improvement.  Add
a TODO comment.

Use "Examples:" instead of "Example:" where multiple examples are
given.

One example section numbers its two examples.  Not done elsewhere;
drop.

Another example section separates them with "or".  Likewise.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20230425064223.820979-8-armbru@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
2023-04-28 11:48:34 +02:00
Paolo Bonzini f55ba8018c block: add more commands to preconfig mode
Of the block device commands, those that are available outside system
emulators do not require a fully constructed machine by definition.
Allow running them before machine initialization has concluded.

Of the ones that are available inside system emulation, allow querying
the PR managers, and setting up accounting and throttling.

Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-06-14 16:50:30 +02:00
Andrea BolognaniandMarkus Armbruster c0ac533b6f qapi: Stop using whitespace for alignment in comments
Perfectly aligned things look pretty, but keeping them that
way as the schema evolves requires churn, and in some cases
newly-added lines are not aligned properly.

Overall, trying to align things is just not worth the trouble.

Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Message-Id: <20220503073737.84223-8-abologna@redhat.com>
Message-Id: <20220503073737.84223-9-abologna@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
[Two patches squashed together]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2022-05-16 07:26:25 +02:00
Andrea BolognaniandMarkus Armbruster 23e4645258 qapi: Drop unnecessary whitespace in comments
The only instances that get changed are those in which the
additional whitespace was not (or couldn't possibly be) used for
alignment purposes.

Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Message-Id: <20220503073737.84223-7-abologna@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2022-05-16 07:22:28 +02:00
Andrea BolognaniandMarkus Armbruster 15cc783cfb qapi: Drop unnecessary empty lines outside of comments
Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20220503073737.84223-6-abologna@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2022-05-16 07:22:28 +02:00
Andrea BolognaniandMarkus Armbruster c6487a8887 qapi: Drop unnecessary empty lines in comments
Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20220503073737.84223-5-abologna@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2022-05-16 07:22:28 +02:00