Re: [Qemu-devel] [PATCH v5] monitor: introduce query-command-line-options

[Eric Blake]

On 04/25/2013 03:50 AM, Amos Kong wrote:
> Libvirt has no way to probe if an option or property is supported,
> This patch introduces a new qmp command to query command line
> option information. hmp command isn't added because it's not needed.
> 
> Signed-off-by: Amos Kong <address@hidden>
> CC: Luiz Capitulino <address@hidden>
> CC: Osier Yang <address@hidden>
> CC: Anthony Liguori <address@hidden>
> ---
> V3: fix json schema and comments (Eric)
> V4: fix descriptions, rename command, check enum type, cleanup
>     (Luiz, Eric)
> V5: fix typo, cleanup (Osier)
> ---
>  qapi-schema.json   | 66 +++++++++++++++++++++++++++++++++++++++++++++++++++++
>  qmp-commands.hx    | 47 ++++++++++++++++++++++++++++++++++++++
>  util/qemu-config.c | 67 
> ++++++++++++++++++++++++++++++++++++++++++++++++++++++
>  3 files changed, 180 insertions(+)

Only minor typo fixups below; I'm assuming Luiz can fix them up while
putting on the QMP pull request, without needing to see a v6.

Reviewed-by: Eric Blake <address@hidden>

> +##
> +# @CommandLineParameterType:
> +#
> +# Possible types for an option parameter.
> +#
> +# @string: accepts a character string
> +#
> +# @boolean: accepts "on" or "off"
> +#
> +# @number: accepts a number
> +#
> +# @size: accepts a number followed by an optional postfix (K)ilo,

s/postfix/suffix/

> +
> +##
> +# @CommandLineOptionInfo:
> +#
> +# Details about a command line option, including its list of parameters 
> details

s/parameters/parameter/

> +##
> +# @query-command-line-options:
> +#
> +# Query command line option schema.
> +#
> +# @option: #optional option name
> +#
> +# Returns: list of @CommandLineOptionInfo for all options (or for the given
> +#          @option).  Returns an error if the given @option doesn't exist.
> +#
> +# Since 1.5
> +##
> +{'command': 'query-command-line-options', 'data': { '*option': 'str' },
> + 'returns': ['CommandLineOptionInfo'] }

Libvirt probably won't use the optional 'option' argument.  I don't care
whether you leave it in or Luiz takes filtering out for the 1.5 release.

> diff --git a/qmp-commands.hx b/qmp-commands.hx
> index 4d65422..31bb360 100644
> --- a/qmp-commands.hx
> +++ b/qmp-commands.hx
> @@ -2416,6 +2416,53 @@ EQMP
>      },
>  
>  SQMP
> +query-command-line-options
> +--------------------------
> +
> +Show command line option schema.
> +
> +Return a json-array of command line option schema for all options (or for
> +the given option), returning an error if the given option doesn't exist.
> +
> +Each array entry contains the following:
> +
> +- "option": option name (json-string)
> +- "parameters": a json-array describes all parameters of the option:
> +    - "name": parameter name (json-string)
> +    - "type": parameter type (one of 'string', boolean', 'number',

s/boolean'/'boolean'/

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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