qapi: introduce "size" type
v1->v2:
- fall back to uint64 rather than int
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
diff --git a/qapi/qapi-visit-core.c b/qapi/qapi-visit-core.c
index d41595e..7a82b63 100644
--- a/qapi/qapi-visit-core.c
+++ b/qapi/qapi-visit-core.c
@@ -234,6 +234,13 @@
}
}
+void visit_type_size(Visitor *v, uint64_t *obj, const char *name, Error **errp)
+{
+ if (!error_is_set(errp)) {
+ (v->type_size ? v->type_size : v->type_uint64)(v, obj, name, errp);
+ }
+}
+
void visit_type_bool(Visitor *v, bool *obj, const char *name, Error **errp)
{
if (!error_is_set(errp)) {
diff --git a/qapi/qapi-visit-core.h b/qapi/qapi-visit-core.h
index a19d70c..60aceda 100644
--- a/qapi/qapi-visit-core.h
+++ b/qapi/qapi-visit-core.h
@@ -60,6 +60,8 @@
void (*type_int16)(Visitor *v, int16_t *obj, const char *name, Error **errp);
void (*type_int32)(Visitor *v, int32_t *obj, const char *name, Error **errp);
void (*type_int64)(Visitor *v, int64_t *obj, const char *name, Error **errp);
+ /* visit_type_size() falls back to (*type_uint64)() if type_size is unset */
+ void (*type_size)(Visitor *v, uint64_t *obj, const char *name, Error **errp);
};
void visit_start_handle(Visitor *v, void **obj, const char *kind,
@@ -85,6 +87,7 @@
void visit_type_int16(Visitor *v, int16_t *obj, const char *name, Error **errp);
void visit_type_int32(Visitor *v, int32_t *obj, const char *name, Error **errp);
void visit_type_int64(Visitor *v, int64_t *obj, const char *name, Error **errp);
+void visit_type_size(Visitor *v, uint64_t *obj, const char *name, Error **errp);
void visit_type_bool(Visitor *v, bool *obj, const char *name, Error **errp);
void visit_type_str(Visitor *v, char **obj, const char *name, Error **errp);
void visit_type_number(Visitor *v, double *obj, const char *name, Error **errp);
diff --git a/scripts/qapi.py b/scripts/qapi.py
index 1292476..8082af3 100644
--- a/scripts/qapi.py
+++ b/scripts/qapi.py
@@ -163,6 +163,8 @@
name == 'int64' or name == 'uint8' or name == 'uint16' or
name == 'uint32' or name == 'uint64'):
return name + '_t'
+ elif name == 'size':
+ return 'uint64_t'
elif name == 'bool':
return 'bool'
elif name == 'number':
