From 65dab4a900b44e081f37ee7ee55e45d97449133b Mon Sep 17 00:00:00 2001
From: qiuleilei <qiuleilei1@huawei.com>
Date: Thu, 25 Sep 2025 20:16:16 +0800
Subject: [PATCH] [lite][bugfix]support onnx parser MultiScaleDeformableAttn
 ops

---
 ...nx_multi_scale_deformable_attn_function.cc | 43 +++++++++++++++++++
 ...nnx_multi_scale_deformable_attn_function.h | 34 +++++++++++++++
 2 files changed, 77 insertions(+)
 create mode 100644 mindspore-lite/tools/converter/parser/onnx/onnx_multi_scale_deformable_attn_function.cc
 create mode 100644 mindspore-lite/tools/converter/parser/onnx/onnx_multi_scale_deformable_attn_function.h

diff --git a/mindspore-lite/tools/converter/parser/onnx/onnx_multi_scale_deformable_attn_function.cc b/mindspore-lite/tools/converter/parser/onnx/onnx_multi_scale_deformable_attn_function.cc
new file mode 100644
index 00000000..c80abbbb
--- /dev/null
+++ b/mindspore-lite/tools/converter/parser/onnx/onnx_multi_scale_deformable_attn_function.cc
@@ -0,0 +1,43 @@
+/**
+ * Copyright 2025 Huawei Technologies Co., Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "tools/converter/parser/onnx/onnx_multi_scale_deformable_attn_function.h"
+#include <memory>
+#include <string>
+#include <vector>
+#include "infer/custom.h"
+#include "nnacl_c/op_base.h"
+
+namespace mindspore {
+namespace lite {
+PrimitiveCPtr OnnxMultiScaleDeformableAttnFunctionParser::Parse(const onnx::GraphProto &onnx_graph,
+                                                                const onnx::NodeProto &onnx_node) {
+  auto prim = std::make_unique<ops::Custom>();
+  MS_CHECK_TRUE_RET(prim != nullptr, nullptr);
+  std::vector<std::string> input_name = {"value", "value_spatial_shapes", "value_level_start_index",
+                                         "sampling_locations", "attention_weights"};
+  std::vector<std::string> output_name = {"output"};
+  prim->AddAttr("input_names", api::MakeValue(input_name));
+  prim->AddAttr("output_names", api::MakeValue(output_name));
+  prim->set_type("MultiScaleDeformableAttnFunction");
+  prim->AddAttr("reg_op_name", api::MakeValue("MultiScaleDeformableAttnFunction"));
+  return prim->GetPrim();
+}
+
+OnnxNodeRegistrar g_onnxMultiScaleDeformableAttnFunctionParser("MultiScaleDeformableAttnFunction",
+                                                               new OnnxMultiScaleDeformableAttnFunctionParser());
+}  // namespace lite
+}  // namespace mindspore
diff --git a/mindspore-lite/tools/converter/parser/onnx/onnx_multi_scale_deformable_attn_function.h b/mindspore-lite/tools/converter/parser/onnx/onnx_multi_scale_deformable_attn_function.h
new file mode 100644
index 00000000..daaae85a
--- /dev/null
+++ b/mindspore-lite/tools/converter/parser/onnx/onnx_multi_scale_deformable_attn_function.h
@@ -0,0 +1,34 @@
+/**
+ * Copyright 2025 Huawei Technologies Co., Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef MINDSPORE_LITE_TOOLS_CONVERTER_PARSER_ONNX_ONNX_MULTI_SCALE_DEFORMABLE_ATTN_FUNCTION_PARSER_H_
+#define MINDSPORE_LITE_TOOLS_CONVERTER_PARSER_ONNX_ONNX_MULTI_SCALE_DEFORMABLE_ATTN_FUNCTION_PARSER_H_
+
+#include "tools/converter/parser/onnx/onnx_node_parser.h"
+#include "tools/converter/parser/onnx/onnx_node_parser_registry.h"
+
+namespace mindspore {
+namespace lite {
+class OnnxMultiScaleDeformableAttnFunctionParser : public OnnxNodeParser {
+ public:
+  OnnxMultiScaleDeformableAttnFunctionParser() : OnnxNodeParser("MultiScaleDeformableAttnFunction") {}
+  ~OnnxMultiScaleDeformableAttnFunctionParser() override = default;
+
+  PrimitiveCPtr Parse(const onnx::GraphProto &onnx_graph, const onnx::NodeProto &onnx_node) override;
+};
+}  // namespace lite
+}  // namespace mindspore
+#endif  // MINDSPORE_LITE_TOOLS_CONVERTER_PARSER_ONNX_ONNX_MULTI_SCALE_DEFORMABLE_ATTN_FUNCTION_PARSER_H_
-- 
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