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authorMarkus Armbruster <armbru@redhat.com>2024-02-27 12:56:17 +0100
committerMarkus Armbruster <armbru@redhat.com>2024-03-04 07:12:40 +0100
commit8a62ef7bd97c40e9f112d6c808898f907b11f65e (patch)
tree121cb6651405b877a9b9c24abd9393d8a5cc74b1 /docs/devel
parent59807e2098a1987f24f2f8c32c8db7f84077a0a5 (diff)
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docs/devel/writing-monitor-commands: Minor improvements
Avoid "JSON" when talking about the QAPI schema syntax. Capitalize QEMU. Don't claim all HMP commands live in monitor/hmp-cmds.c (this was never true). Fix punctuation and drop inappropriate "the" here and there. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-ID: <20240227115617.237875-3-armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
Diffstat (limited to 'docs/devel')
-rw-r--r--docs/devel/writing-monitor-commands.rst32
1 files changed, 15 insertions, 17 deletions
diff --git a/docs/devel/writing-monitor-commands.rst b/docs/devel/writing-monitor-commands.rst
index cd57f46..930da5c 100644
--- a/docs/devel/writing-monitor-commands.rst
+++ b/docs/devel/writing-monitor-commands.rst
@@ -115,8 +115,7 @@ the bottom::
##
{ 'command': 'hello-world' }
-The "command" keyword defines a new QMP command. It's an JSON object. All
-schema entries are JSON objects. The line above will instruct the QAPI to
+The "command" keyword defines a new QMP command. It instructs QAPI to
generate any prototypes and the necessary code to marshal and unmarshal
protocol data.
@@ -138,16 +137,16 @@ There are a few things to be noticed:
3. It takes an "Error \*\*" argument. This is required. Later we will see how to
return errors and take additional arguments. The Error argument should not
be touched if the command doesn't return errors
-4. We won't add the function's prototype. That's automatically done by the QAPI
+4. We won't add the function's prototype. That's automatically done by QAPI
5. Printing to the terminal is discouraged for QMP commands, we do it here
because it's the easiest way to demonstrate a QMP command
-You're done. Now build qemu, run it as suggested in the "Testing" section,
+You're done. Now build QEMU, run it as suggested in the "Testing" section,
and then type the following QMP command::
{ "execute": "hello-world" }
-Then check the terminal running qemu and look for the "Hello, world" string. If
+Then check the terminal running QEMU and look for the "Hello, world" string. If
you don't see it then something went wrong.
@@ -201,7 +200,7 @@ There are two important details to be noticed:
2. The C implementation signature must follow the schema's argument ordering,
which is defined by the "data" member
-Time to test our new version of the "hello-world" command. Build qemu, run it as
+Time to test our new version of the "hello-world" command. Build QEMU, run it as
described in the "Testing" section and then send two commands::
{ "execute": "hello-world" }
@@ -210,13 +209,13 @@ described in the "Testing" section and then send two commands::
}
}
- { "execute": "hello-world", "arguments": { "message": "We love qemu" } }
+ { "execute": "hello-world", "arguments": { "message": "We love QEMU" } }
{
"return": {
}
}
-You should see "Hello, world" and "We love qemu" in the terminal running qemu,
+You should see "Hello, world" and "We love QEMU" in the terminal running QEMU,
if you don't see these strings, then something went wrong.
@@ -246,7 +245,7 @@ The first argument to the error_setg() function is the Error pointer
to pointer, which is passed to all QMP functions. The next argument is a human
description of the error, this is a free-form printf-like string.
-Let's test the example above. Build qemu, run it as defined in the "Testing"
+Let's test the example above. Build QEMU, run it as defined in the "Testing"
section, and then issue the following command::
{ "execute": "hello-world", "arguments": { "message": "all you need is love" } }
@@ -279,9 +278,8 @@ Implementing the HMP command
Now that the QMP command is in place, we can also make it available in the human
monitor (HMP).
-With the introduction of the QAPI, HMP commands make QMP calls. Most of the
-time HMP commands are simple wrappers. All HMP commands implementation exist in
-the monitor/hmp-cmds.c file.
+With the introduction of QAPI, HMP commands make QMP calls. Most of the
+time HMP commands are simple wrappers.
Here's the implementation of the "hello-world" HMP command::
@@ -332,17 +330,17 @@ To test this you have to open a user monitor and issue the "hello-world"
command. It might be instructive to check the command's documentation with
HMP's "help" command.
-Please, check the "-monitor" command-line option to know how to open a user
+Please check the "-monitor" command-line option to know how to open a user
monitor.
Writing more complex commands
-----------------------------
-A QMP command is capable of returning any data the QAPI supports like integers,
+A QMP command is capable of returning any data QAPI supports like integers,
strings, booleans, enumerations and user defined types.
-In this section we will focus on user defined types. Please, check the QAPI
+In this section we will focus on user defined types. Please check the QAPI
documentation for information about the other types.
@@ -463,7 +461,7 @@ There are a number of things to be noticed:
member, it comes with a 'has_bootindex' member that needs to be set
by the implementation, as shown above
-Time to test the new command. Build qemu, run it as described in the "Testing"
+Time to test the new command. Build QEMU, run it as described in the "Testing"
section and try this::
{ "execute": "query-option-rom" }
@@ -532,7 +530,7 @@ option-roms" follows::
Show the option ROMs.
ERST
-To test this, run qemu and type "info option-roms" in the user monitor.
+To test this, run QEMU and type "info option-roms" in the user monitor.
Writing a debugging aid returning unstructured text