[AMD][DSV4] Enable hicache on deepseek-v4 fp8 unified attn (#37778)

rust/sglang-radix-tree/src/python_bindings.rs

@@ -247,6 +247,8 @@ fn pool_name_str(name: PoolName) -> &'static str {
         PoolName::DeepseekV4C2 => "deepseek_v4_c2",
         PoolName::DeepseekV4C2Indexer => "deepseek_v4_c2_indexer",
         PoolName::DeepseekV4C2IndexerScale => "deepseek_v4_c2_indexer_scale",
+        PoolName::DeepseekV4C4Rope => "deepseek_v4_c4_rope",
+        PoolName::DeepseekV4C128Rope => "deepseek_v4_c128_rope",
         PoolName::DeepseekV4C4State => "deepseek_v4_c4_state",
         PoolName::DeepseekV4C4IndexerState => "deepseek_v4_c4_indexer_state",
         PoolName::DeepseekV4C128State => "deepseek_v4_c128_state",
@@ -273,6 +275,8 @@ fn parse_pool_name(name: &str) -> PyResult<PoolName> {
         "deepseek_v4_c2" => Ok(PoolName::DeepseekV4C2),
         "deepseek_v4_c2_indexer" => Ok(PoolName::DeepseekV4C2Indexer),
         "deepseek_v4_c2_indexer_scale" => Ok(PoolName::DeepseekV4C2IndexerScale),
+        "deepseek_v4_c4_rope" => Ok(PoolName::DeepseekV4C4Rope),
+        "deepseek_v4_c128_rope" => Ok(PoolName::DeepseekV4C128Rope),
         "deepseek_v4_c4_state" => Ok(PoolName::DeepseekV4C4State),
         "deepseek_v4_c4_indexer_state" => Ok(PoolName::DeepseekV4C4IndexerState),
         "deepseek_v4_c128_state" => Ok(PoolName::DeepseekV4C128State),

rust/sglang-radix-tree/src/unified_tree_core.rs

@@ -348,6 +348,8 @@ pub enum PoolName {
     DeepseekV4C2,
     DeepseekV4C2Indexer,
     DeepseekV4C2IndexerScale,
+    DeepseekV4C4Rope,
+    DeepseekV4C128Rope,
     DeepseekV4C4State,
     DeepseekV4C4IndexerState,
     DeepseekV4C128State,