[Auto Sync] Update parallel_state.py (20250907) (#10126)

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Co-authored-by: jzhou-xai <jzhou@x.ai>

python/sglang/srt/distributed/parallel_state.py

@@ -1596,6 +1596,16 @@ def get_tensor_model_parallel_rank():
     return get_tp_group().rank_in_group
 
 
+def get_pipeline_model_parallel_world_size():
+    """Return world size for the pipeline model parallel group."""
+    return get_pp_group().world_size
+
+
+def get_pipeline_model_parallel_rank():
+    """Return my rank for the pipeline model parallel group."""
+    return get_pp_group().rank_in_group
+
+
 def get_moe_expert_parallel_world_size():
     """Return world size for the moe expert parallel group."""
     return get_moe_ep_group().world_size