[Misc]Register and refactor some environs for dpsk-fp4 and DeepEp (#14538)

python/sglang/srt/environ.py

@@ -241,6 +241,8 @@ class Envs:
     SGLANG_USE_DYNAMIC_MXFP4_LINEAR = EnvBool(False)
     SGLANG_FORCE_FP8_MARLIN = EnvBool(False)
     SGLANG_MOE_NVFP4_DISPATCH = EnvBool(False)
+    SGLANG_NVFP4_CKPT_FP8_GEMM_IN_ATTN = EnvBool(False)
+    SGLANG_PER_TOKEN_GROUP_QUANT_8BIT_V2 = EnvBool(False)
 
     # Flashinfer
     SGLANG_IS_FLASHINFER_AVAILABLE = EnvBool(True)
@@ -276,6 +278,11 @@ class Envs:
     SGLANG_DG_USE_NVRTC = EnvBool(False)
     SGLANG_USE_DEEPGEMM_BMM = EnvBool(False)
 
+    # DeepEP
+    SGLANG_DEEPEP_BF16_DISPATCH = EnvBool(False)
+    SGLANG_DEEPEP_NUM_MAX_DISPATCH_TOKENS_PER_RANK = EnvInt(128)
+    SGLANG_DEEPEP_LL_COMBINE_SEND_NUM_SMS = EnvInt(32)
+
     # sgl-kernel
     SGLANG_SKIP_SGL_KERNEL_VERSION_CHECK = EnvBool(False)
 
@@ -365,6 +372,9 @@ def _convert_SGL_to_SGLANG():
     _print_deprecated_env(
         "SGLANG_ENABLE_FLASHINFER_FP8_GEMM", "SGLANG_ENABLE_FLASHINFER_GEMM"
     )
+    _print_deprecated_env(
+        "SGLANG_MOE_NVFP4_DISPATCH", "SGLANG_CUTEDSL_MOE_NVFP4_DISPATCH"
+    )
 
     for key, value in os.environ.items():
         if key.startswith("SGL_"):