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qapi: Split error.json off common.json

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In my "build everything" tree, changing a type in qapi/common.json
triggers a recompile of some 3600 out of 6600 objects (not counting
tests and objects that don't depend on qemu/osdep.h).

One common dependency is QapiErrorClass: it's used only in in
qapi/error.h, which uses nothing else, and is widely included.

Move QapiErrorClass from common.json to new error.json.  Touching
common.json now recompiles only some 2900 objects.

Cc: Eric Blake <eblake@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20190812052359.30071-4-armbru@redhat.com>
This commit is contained in:
Markus Armbruster 2019-08-12 07:23:33 +02:00
parent 2ae16a6aa4
commit abb3d37d0c
6 changed files with 34 additions and 26 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
MAINTAINERS
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@ -1874,6 +1874,7 @@ M: Markus Armbruster <armbru@redhat.com>
S: Supported
F: include/qapi/error.h
F: include/qemu/error-report.h
F: qapi/error.json
F: util/error.c
F: util/qemu-error.c
@ -2062,6 +2063,7 @@ F: monitor/monitor-internal.h
F: monitor/qmp*
F: monitor/misc.c
F: monitor/monitor.c
F: qapi/error.json
F: docs/devel/*qmp-*
F: docs/interop/*qmp-*
F: scripts/qmp/

2
include/qapi/error.h
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@ -119,7 +119,7 @@
#ifndef ERROR_H
#define ERROR_H
#include "qapi/qapi-types-common.h"
#include "qapi/qapi-types-error.h"
/*
* Overall category of an error.

2
qapi/Makefile.objs
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@ -6,7 +6,7 @@ util-obj-y += qmp-event.o
util-obj-y += qapi-util.o
QAPI_COMMON_MODULES = audio authz block-core block char common crypto
QAPI_COMMON_MODULES += dump introspect job machine migration misc net
QAPI_COMMON_MODULES += dump error introspect job machine migration misc net
QAPI_COMMON_MODULES += qdev qom rdma rocker run-state sockets tpm
QAPI_COMMON_MODULES += trace transaction ui
QAPI_TARGET_MODULES = machine-target misc-target

24
qapi/common.json
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@ -4,30 +4,6 @@
# = Common data types
##
##
# @QapiErrorClass:
#
# QEMU error classes
#
# @GenericError: this is used for errors that don't require a specific error
# class. This should be the default case for most errors
#
# @CommandNotFound: the requested command has not been found
#
# @DeviceNotActive: a device has failed to be become active
#
# @DeviceNotFound: the requested device has not been found
#
# @KVMMissingCap: the requested operation can't be fulfilled because a
# required KVM capability is missing
#
# Since: 1.2
##
{ 'enum': 'QapiErrorClass',
# Keep this in sync with ErrorClass in error.h
'data': [ 'GenericError', 'CommandNotFound',
'DeviceNotActive', 'DeviceNotFound', 'KVMMissingCap' ] }
##
# @IoOperationType:
#

29
qapi/error.json Normal file
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@ -0,0 +1,29 @@
# -*- Mode: Python -*-
##
# = QMP errors
##
##
# @QapiErrorClass:
#
# QEMU error classes
#
# @GenericError: this is used for errors that don't require a specific error
# class. This should be the default case for most errors
#
# @CommandNotFound: the requested command has not been found
#
# @DeviceNotActive: a device has failed to be become active
#
# @DeviceNotFound: the requested device has not been found
#
# @KVMMissingCap: the requested operation can't be fulfilled because a
# required KVM capability is missing
#
# Since: 1.2
##
{ 'enum': 'QapiErrorClass',
# Keep this in sync with ErrorClass in error.h
'data': [ 'GenericError', 'CommandNotFound',
'DeviceNotActive', 'DeviceNotFound', 'KVMMissingCap' ] }

1
qapi/qapi-schema.json
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@ -80,6 +80,7 @@
# stable order, it's best to include each sub-schema just once, or
# include it first right here.
{ 'include': 'error.json' }
{ 'include': 'common.json' }
{ 'include': 'sockets.json' }
{ 'include': 'run-state.json' }