[PATCH V9 10/46] qdev-properties: strList

[Steve Sistare <steven.sistare@oracle.com>]

Define a list-of-strings property, to be used for the cpr-exec-args
migration property in a subsequent patch.

Signed-off-by: Steve Sistare <steven.sistare@oracle.com>
---
 hw/core/qdev-properties.c    | 44 ++++++++++++++++++++++++++++++++++++++++++++
 include/hw/qdev-properties.h |  3 +++
 2 files changed, 47 insertions(+)

diff --git a/hw/core/qdev-properties.c b/hw/core/qdev-properties.c
index 357b876..851f490 100644
--- a/hw/core/qdev-properties.c
+++ b/hw/core/qdev-properties.c
@@ -9,6 +9,7 @@
 #include "qemu/units.h"
 #include "qemu/cutils.h"
 #include "qdev-prop-internal.h"
+#include "qapi/qapi-builtin-visit.h"
 
 void qdev_prop_set_after_realize(DeviceState *dev, const char *name,
                                   Error **errp)
@@ -490,6 +491,49 @@ const PropertyInfo qdev_prop_string = {
     .set   = set_string,
 };
 
+/* --- strList --- */
+
+static void release_strList(Object *obj, const char *name, void *opaque)
+{
+    Property *prop = opaque;
+    g_free(*(char **)object_field_prop_ptr(obj, prop));
+}
+
+static void get_strList(Object *obj, Visitor *v, const char *name,
+                       void *opaque, Error **errp)
+{
+    Property *prop = opaque;
+    strList **ptr = object_field_prop_ptr(obj, prop);
+
+    if (!*ptr) {
+        strList *str = NULL;
+        visit_type_strList(v, name, &str, errp);
+    } else {
+        visit_type_strList(v, name, ptr, errp);
+    }
+}
+
+static void set_strList(Object *obj, Visitor *v, const char *name,
+                       void *opaque, Error **errp)
+{
+    Property *prop = opaque;
+    strList **ptr = object_field_prop_ptr(obj, prop);
+    strList *str;
+
+    if (!visit_type_strList(v, name, &str, errp)) {
+        return;
+    }
+    g_free(*ptr);
+    *ptr = str;
+}
+
+const PropertyInfo qdev_prop_strlist = {
+    .name  = "strList",
+    .release = release_strList,
+    .get   = get_strList,
+    .set   = set_strList,
+};
+
 /* --- on/off/auto --- */
 
 const PropertyInfo qdev_prop_on_off_auto = {
diff --git a/include/hw/qdev-properties.h b/include/hw/qdev-properties.h
index e1df088..df1b869 100644
--- a/include/hw/qdev-properties.h
+++ b/include/hw/qdev-properties.h
@@ -59,6 +59,7 @@ extern const PropertyInfo qdev_prop_uint64_checkmask;
 extern const PropertyInfo qdev_prop_int64;
 extern const PropertyInfo qdev_prop_size;
 extern const PropertyInfo qdev_prop_string;
+extern const PropertyInfo qdev_prop_strlist;
 extern const PropertyInfo qdev_prop_on_off_auto;
 extern const PropertyInfo qdev_prop_size32;
 extern const PropertyInfo qdev_prop_arraylen;
@@ -171,6 +172,8 @@ extern const PropertyInfo qdev_prop_link;
     DEFINE_PROP_UNSIGNED(_n, _s, _f, _d, qdev_prop_size, uint64_t)
 #define DEFINE_PROP_STRING(_n, _s, _f)             \
     DEFINE_PROP(_n, _s, _f, qdev_prop_string, char*)
+#define DEFINE_PROP_STRLIST(_n, _s, _f)             \
+    DEFINE_PROP(_n, _s, _f, qdev_prop_strlist, strList*)
 #define DEFINE_PROP_ON_OFF_AUTO(_n, _s, _f, _d) \
     DEFINE_PROP_SIGNED(_n, _s, _f, _d, qdev_prop_on_off_auto, OnOffAuto)
 #define DEFINE_PROP_SIZE32(_n, _s, _f, _d)                       \
-- 
1.8.3.1