[None][fix] Add DeepSeek V4 attention type enum

Signed-off-by: Mingyang Hao <200044211+mingyangHao@users.noreply.github.com>

Author: mingyangHao

tensorrt_llm/_torch/attention_backend/sparse/deepseek_v4/deepseek_v4.py

@@ -0,0 +1,21 @@
+# SPDX-FileCopyrightText: Copyright (c) 2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
+# SPDX-License-Identifier: Apache-2.0
+
+from enum import Enum
+
+
+class DeepseekV4AttentionType(Enum):
+    # Attention types backed by per-layer sliding-window cache state.
+    SWA = 0
+    COMPRESSOR_KV = 1
+    COMPRESSOR_SCORE = 2
+    INDEXER_COMPRESSOR_KV = 3
+    INDEXER_COMPRESSOR_SCORE = 4
+
+    # Attention types backed by ratio-shared compressed cache state.
+    COMPRESS = 5
+    INDEXER_COMPRESS = 6
+
+    # Backward-compatible names used by the standalone compressor primitive.
+    COMPRESSOR_STATE = COMPRESSOR_KV
+    INDEXER_COMPRESSOR_STATE = INDEXER_COMPRESSOR_KV