[ROCm][CI] Fix test_max_len.py for Rocm (#29916)

Signed-off-by: charlifu <charlifu@amd.com>
Signed-off-by: Charlie Fu <Charlie.Fu@amd.com>

tests/basic_correctness/test_basic_correctness.py

@@ -13,12 +13,15 @@ import pytest
 import torch
 
 from vllm import LLM
+from vllm.platforms import current_platform
 from vllm.v1.engine.llm_engine import LLMEngine
 
 from ..conftest import HfRunner, VllmRunner
 from ..models.utils import check_outputs_equal
 from ..utils import multi_gpu_test
 
+ATTN_BACKEND = ["ROCM_ATTN"] if current_platform.is_rocm() else ["FLASH_ATTN"]
+
 MODELS = [
     "hmellor/tiny-random-Gemma2ForCausalLM",
     "meta-llama/Llama-3.2-1B-Instruct",
@@ -57,7 +60,7 @@ def _fix_prompt_embed_outputs(
 
 
 @pytest.mark.parametrize("model", MODELS)
-@pytest.mark.parametrize("backend", ["FLASH_ATTN"])
+@pytest.mark.parametrize("backend", ATTN_BACKEND)
 @pytest.mark.parametrize("max_tokens", [5])
 @pytest.mark.parametrize("enforce_eager", [False])
 @pytest.mark.parametrize("async_scheduling", [True, False])

tests/utils.py

@@ -1225,9 +1225,9 @@ def get_attn_backend_list_based_on_platform() -> list[str]:
         try:
             import aiter  # noqa: F401
 
-            attn_backend_list.append("FLASH_ATTN")
+            attn_backend_list.append("ROCM_AITER_FA")
         except Exception:
-            print("Skip FLASH_ATTN on ROCm as aiter is not installed")
+            print("Skip ROCM_AITER_FA on ROCm as aiter is not installed")
 
         return attn_backend_list
     elif current_platform.is_xpu():

tests/v1/e2e/test_spec_decode.py

@@ -417,9 +417,9 @@ def test_eagle_correctness(
                 "multi-token eagle spec decode on current platform"
             )
 
-        if attn_backend == "FLASH_ATTN" and current_platform.is_rocm():
+        if attn_backend == "ROCM_AITER_FA" and current_platform.is_rocm():
             if "deepseek" in model_setup[1].lower():
-                pytest.skip("FLASH_ATTN for deepseek not supported on ROCm platform")
+                pytest.skip("ROCM_AITER_FA for deepseek not supported on ROCm platform")
             else:
                 m.setenv("VLLM_ROCM_USE_AITER", "1")
 

tests/v1/spec_decode/test_eagle.py

@@ -339,7 +339,7 @@ def test_load_model(
             "multi-token eagle spec decode on current platform"
         )
 
-    if attn_backend == "FLASH_ATTN" and current_platform.is_rocm():
+    if attn_backend == "ROCM_AITER_FA" and current_platform.is_rocm():
         monkeypatch.setenv("VLLM_ROCM_USE_AITER", "1")
 
     # Setup draft model mock
@@ -434,7 +434,7 @@ def test_propose(method, attn_backend, num_speculative_tokens, monkeypatch):
             "because it requires special input mocking."
         )
 
-    if attn_backend == "FLASH_ATTN" and current_platform.is_rocm():
+    if attn_backend == "ROCM_AITER_FA" and current_platform.is_rocm():
         monkeypatch.setenv("VLLM_ROCM_USE_AITER", "1")
 
     # Use GPU device
@@ -541,6 +541,10 @@ def test_propose(method, attn_backend, num_speculative_tokens, monkeypatch):
         attn_metadata_builder_cls, _ = try_get_attention_backend(
             AttentionBackendEnum.TREE_ATTN
         )
+    elif attn_backend == "ROCM_AITER_FA":
+        attn_metadata_builder_cls, _ = try_get_attention_backend(
+            AttentionBackendEnum.ROCM_AITER_FA
+        )
     else:
         raise ValueError(f"Unsupported attention backend: {attn_backend}")
 

tests/v1/spec_decode/test_max_len.py

@@ -47,7 +47,7 @@ def test_eagle_max_len(
                 "multi-token eagle spec decode on current platform"
             )
 
-        if attn_backend == "FLASH_ATTN" and current_platform.is_rocm():
+        if attn_backend == "ROCM_AITER_FA" and current_platform.is_rocm():
             m.setenv("VLLM_ROCM_USE_AITER", "1")
 
         llm = LLM(