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[Qemu-devel] [PATCH] monitor: introduce query-config-schema
From: |
Amos Kong |
Subject: |
[Qemu-devel] [PATCH] monitor: introduce query-config-schema |
Date: |
Fri, 19 Apr 2013 17:52:03 +0800 |
Libvirt doesn't have a stable way to know option support
detail. This patch introdued a new qmp command to query
configuration schema information. hmp command isn't added.
Signed-off-by: Amos Kong <address@hidden>
CC: Osier Yang <address@hidden>
CC: Anthony Liguori <address@hidden>
---
Reposted this patch:
https://www.redhat.com/archives/libvir-list/2013-January/msg01656.html
---
qapi-schema.json | 26 ++++++++++++++++++++++++++
qemu-options-wrapper.h | 16 ++++++++++++++++
qmp-commands.hx | 32 ++++++++++++++++++++++++++++++++
qmp.c | 36 ++++++++++++++++++++++++++++++++++++
4 files changed, 110 insertions(+), 0 deletions(-)
diff --git a/qapi-schema.json b/qapi-schema.json
index 751d3c2..f781372 100644
--- a/qapi-schema.json
+++ b/qapi-schema.json
@@ -3505,3 +3505,29 @@
'*asl_compiler_rev': 'uint32',
'*file': 'str',
'*data': 'str' }}
+
+##
+# @ConfigSchemaInfo:
+#
+# Configration schema information.
+#
+# @option: option name
+#
+# @config-schema: configuration schema string of one option
+#
+# Since 1.5
+##
+{ 'type': 'ConfigSchemaInfo', 'data': {'option': 'str', 'config-schema':
'str'} }
+
+##
+# @query-config-schema
+#
+# Query configuration schema information of options
+#
+# @option: #optional option name
+#
+# Returns: @ConfigSchemaInfo list
+#
+# Since 1.5
+##
+{'command': 'query-config-schema', 'data': {'*option': 'str'}, 'returns':
['ConfigSchemaInfo']}
diff --git a/qemu-options-wrapper.h b/qemu-options-wrapper.h
index 13bfea0..6449268 100644
--- a/qemu-options-wrapper.h
+++ b/qemu-options-wrapper.h
@@ -18,6 +18,22 @@
#define DEFHEADING(text) ARCHHEADING(text, QEMU_ARCH_ALL)
+#elif defined(QEMU_OPTIONS_GENERATE_CONFIG)
+
+#define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
+ opt_help,
+
+#define DEFHEADING(text)
+#define ARCHHEADING(text, arch_mask)
+
+#elif defined(QEMU_OPTIONS_GENERATE_NAME)
+
+#define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
+ option,
+
+#define DEFHEADING(text)
+#define ARCHHEADING(text, arch_mask)
+
#elif defined(QEMU_OPTIONS_GENERATE_OPTIONS)
#define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \
diff --git a/qmp-commands.hx b/qmp-commands.hx
index 4d65422..1bb691e 100644
--- a/qmp-commands.hx
+++ b/qmp-commands.hx
@@ -2414,7 +2414,39 @@ EQMP
.args_type = "",
.mhandler.cmd_new = qmp_marshal_input_query_uuid,
},
+SQMP
+query-config-schema
+------------
+
+Show configuration schema.
+
+Return configuration schema of one option, if no option is assigned,
+will return configuration schema of all options.
+
+- "option": option name
+- "config-schema": configuration schema string of one option
+
+Example:
+-> {"execute": "query-config-schema", "arguments" : {"option": "boot"}}
+<- {"return": [
+ {"config-schema": "-boot [order=drives][,once=drives][,menu=on|off]\n
+
[,splash=sp_name][,splash-time=sp_time][,reboot-timeout=rb_time][,strict=on|off]\n
+ 'drives': floppy (a), hard disk (c), CD-ROM (d), network (n)\n
+ 'sp_name': the file's name that would be passed to bios as logo
picture, if menu=on\n
+ 'sp_time': the period that splash picture last if menu=on, unit is ms\n
+ 'rb_timeout': the timeout before guest reboot when boot failed, unit is
ms\n",
+ "option": "boot"
+ }
+ ]
+}
+
+EQMP
+ {
+ .name = "query-config-schema",
+ .args_type = "option:s?",
+ .mhandler.cmd_new = qmp_marshal_input_query_config_schema,
+ },
SQMP
query-migrate
-------------
diff --git a/qmp.c b/qmp.c
index ed6c7ef..a3f7cc9 100644
--- a/qmp.c
+++ b/qmp.c
@@ -24,6 +24,9 @@
#include "hw/qdev.h"
#include "sysemu/blockdev.h"
#include "qom/qom-qobject.h"
+#include "qemu-options.h"
+#include "net/net.h"
+#include "exec/gdbstub.h"
NameInfo *qmp_query_name(Error **errp)
{
@@ -78,6 +81,39 @@ UuidInfo *qmp_query_uuid(Error **errp)
return info;
}
+ConfigSchemaInfoList *qmp_query_config_schema(bool has_option,
+ const char *option, Error **errp)
+{
+ ConfigSchemaInfoList *conf_list = NULL, *entry;
+ ConfigSchemaInfo *info;
+
+ char const *optionstr[] = {
+#define QEMU_OPTIONS_GENERATE_NAME
+#include "qemu-options-wrapper.h"
+ };
+
+ char const *configstr[] = {
+#define QEMU_OPTIONS_GENERATE_CONFIG
+#include "qemu-options-wrapper.h"
+ };
+
+ int i;
+ for (i = 0; i < sizeof(optionstr) / sizeof(char *); i++) {
+ if (!has_option || !strcmp(option, optionstr[i])) {
+ info = g_malloc0(sizeof(*info));
+ info->option = g_strdup(option);
+ info->config_schema = g_strdup(configstr[i]);
+
+ entry = g_malloc0(sizeof(*entry));
+ entry->value = info;
+ entry->next = conf_list;
+ conf_list = entry;
+ }
+ }
+
+ return conf_list;
+}
+
void qmp_quit(Error **err)
{
no_shutdown = 0;
--
1.7.1
- [Qemu-devel] [PATCH] monitor: introduce query-config-schema,
Amos Kong <=