if (handle)
nouveau_namedb_put(handle);
}
-
-int
-nouveau_handle_new(struct nouveau_object *client, u32 _parent, u32 _handle,
- u16 _oclass, void *data, u32 size,
- struct nouveau_object **pobject)
-{
- struct nouveau_object *parent = NULL;
- struct nouveau_object *engctx = NULL;
- struct nouveau_object *object = NULL;
- struct nouveau_object *engine;
- struct nouveau_oclass *oclass;
- struct nouveau_handle *handle;
- int ret;
-
- /* lookup parent object and ensure it *is* a parent */
- parent = nouveau_handle_ref(client, _parent);
- if (!parent) {
- nv_error(client, "parent 0x%08x not found\n", _parent);
- return -ENOENT;
- }
-
- if (!nv_iclass(parent, NV_PARENT_CLASS)) {
- nv_error(parent, "cannot have children\n");
- ret = -EINVAL;
- goto fail_class;
- }
-
- /* check that parent supports the requested subclass */
- ret = nouveau_parent_sclass(parent, _oclass, &engine, &oclass);
- if (ret) {
- nv_debug(parent, "illegal class 0x%04x\n", _oclass);
- goto fail_class;
- }
-
- /* make sure engine init has been completed *before* any objects
- * it controls are created - the constructors may depend on
- * state calculated at init (ie. default context construction)
- */
- if (engine) {
- ret = nouveau_object_inc(engine);
- if (ret)
- goto fail_class;
- }
-
- /* if engine requires it, create a context object to insert
- * between the parent and its children (eg. PGRAPH context)
- */
- if (engine && nv_engine(engine)->cclass) {
- ret = nouveau_object_ctor(parent, engine,
- nv_engine(engine)->cclass,
- data, size, &engctx);
- if (ret)
- goto fail_engctx;
- } else {
- nouveau_object_ref(parent, &engctx);
- }
-
- /* finally, create new object and bind it to its handle */
- ret = nouveau_object_ctor(engctx, engine, oclass, data, size, &object);
- *pobject = object;
- if (ret)
- goto fail_ctor;
-
- ret = nouveau_object_inc(object);
- if (ret)
- goto fail_init;
-
- ret = nouveau_handle_create(parent, _parent, _handle, object, &handle);
- if (ret)
- goto fail_handle;
-
- ret = nouveau_handle_init(handle);
- if (ret)
- nouveau_handle_destroy(handle);
-
-fail_handle:
- nouveau_object_dec(object, false);
-fail_init:
- nouveau_object_ref(NULL, &object);
-fail_ctor:
- nouveau_object_ref(NULL, &engctx);
-fail_engctx:
- if (engine)
- nouveau_object_dec(engine, false);
-fail_class:
- nouveau_object_ref(NULL, &parent);
- return ret;
-}
-
-int
-nouveau_handle_del(struct nouveau_object *client, u32 _parent, u32 _handle)
-{
- struct nouveau_object *parent = NULL;
- struct nouveau_object *namedb = NULL;
- struct nouveau_handle *handle = NULL;
-
- parent = nouveau_handle_ref(client, _parent);
- if (!parent)
- return -ENOENT;
-
- namedb = nv_pclass(parent, NV_NAMEDB_CLASS);
- if (namedb) {
- handle = nouveau_namedb_get(nv_namedb(namedb), _handle);
- if (handle) {
- nouveau_namedb_put(handle);
- nouveau_handle_fini(handle, false);
- nouveau_handle_destroy(handle);
- }
- }
-
- nouveau_object_ref(NULL, &parent);
- return handle ? 0 : -EINVAL;
-}