include: add qemu/keyval.h

Do not require the whole option machinery to handle keyval, as it is
used by QAPI alone, without the option API. And match the associated
unit name.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20220420132624.2439741-24-marcandre.lureau@redhat.com>

include/qemu/keyval.h

@@ -0,0 +1,14 @@
+/*
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+#ifndef KEYVAL_H_
+#define KEYVAL_H_
+
+QDict *keyval_parse_into(QDict *qdict, const char *params, const char *implied_key,
+                         bool *p_help, Error **errp);
+QDict *keyval_parse(const char *params, const char *implied_key,
+                    bool *help, Error **errp);
+void keyval_merge(QDict *old, const QDict *new, Error **errp);
+
+#endif /* KEYVAL_H_ */

include/qemu/option.h

@@ -144,12 +144,6 @@ void qemu_opts_print_help(QemuOptsList *list, bool print_caption);
 void qemu_opts_free(QemuOptsList *list);
 QemuOptsList *qemu_opts_append(QemuOptsList *dst, QemuOptsList *list);
 
-QDict *keyval_parse_into(QDict *qdict, const char *params, const char *implied_key,
-                         bool *p_help, Error **errp);
-QDict *keyval_parse(const char *params, const char *implied_key,
-                    bool *help, Error **errp);
-void keyval_merge(QDict *old, const QDict *new, Error **errp);
-
 G_DEFINE_AUTOPTR_CLEANUP_FUNC(QemuOpts, qemu_opts_del)
 
 #endif

qapi/qobject-input-visitor.c

@@ -28,7 +28,7 @@
 #include "qapi/qmp/qnum.h"
 #include "qapi/qmp/qstring.h"
 #include "qemu/cutils.h"
-#include "qemu/option.h"
+#include "qemu/keyval.h"
 
 typedef struct StackObject {
     const char *name;            /* Name of @obj in its parent, if any */

qom/object_interfaces.c

@@ -17,6 +17,7 @@
 #include "qemu/qemu-print.h"
 #include "qapi/opts-visitor.h"
 #include "qemu/config-file.h"
+#include "qemu/keyval.h"
 
 bool user_creatable_complete(UserCreatable *uc, Error **errp)
 {

softmmu/vl.c

@@ -128,6 +128,7 @@
 #include "qapi/qmp/qerror.h"
 #include "sysemu/iothread.h"
 #include "qemu/guest-random.h"
+#include "qemu/keyval.h"
 
 #include "config-host.h"
 

tests/unit/check-qom-proplist.c

@@ -27,6 +27,7 @@
 #include "qom/object.h"
 #include "qemu/module.h"
 #include "qemu/option.h"
+#include "qemu/keyval.h"
 #include "qemu/config-file.h"
 #include "qom/object_interfaces.h"
 

tests/unit/test-forward-visitor.c

@@ -15,7 +15,7 @@
 #include "qapi/qmp/qobject.h"
 #include "qapi/qmp/qdict.h"
 #include "test-qapi-visit.h"
-#include "qemu/option.h"
+#include "qemu/keyval.h"
 
 typedef bool GenericVisitor (Visitor *, const char *, void **, Error **);
 #define CAST_VISIT_TYPE(fn) ((GenericVisitor *)(fn))

tests/unit/test-keyval.c

@@ -19,7 +19,7 @@
 #include "qapi/qobject-input-visitor.h"
 #include "test-qapi-visit.h"
 #include "qemu/cutils.h"
-#include "qemu/option.h"
+#include "qemu/keyval.h"
 
 static void test_keyval_parse(void)
 {

util/keyval.c

@@ -95,8 +95,8 @@
 #include "qapi/qmp/qlist.h"
 #include "qapi/qmp/qstring.h"
 #include "qemu/cutils.h"
+#include "qemu/keyval.h"
 #include "qemu/help_option.h"
-#include "qemu/option.h"
 
 /*
  * Convert @key to a list index.