Add minimal vLLM 0.16.1 build repo for BI-V150

vllm/v1/attention/backends/mamba1_attn.py

@@ -0,0 +1,31 @@
+# SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
+
+from dataclasses import dataclass
+
+from vllm.v1.attention.backend import AttentionBackend
+from vllm.v1.attention.backends.mamba_attn import (
+    BaseMambaAttentionMetadata,
+    BaseMambaAttentionMetadataBuilder,
+)
+
+
+class Mamba1AttentionBackend(AttentionBackend):
+    @staticmethod
+    def get_name() -> str:
+        return "MAMBA1_ATTN"
+
+    @staticmethod
+    def get_builder_cls() -> type["Mamba1AttentionMetadataBuilder"]:
+        return Mamba1AttentionMetadataBuilder
+
+
+@dataclass
+class Mamba1AttentionMetadata(BaseMambaAttentionMetadata):
+    pass
+
+
+class Mamba1AttentionMetadataBuilder(
+    BaseMambaAttentionMetadataBuilder[Mamba1AttentionMetadata]
+):
+    metadata_cls = Mamba1AttentionMetadata