[XPU] support flashmask_attention forward

Author: runzhech

cmake/external/xpu.cmake

@@ -30,7 +30,7 @@ set(XPU_XFA_LIB_NAME "libxpu_flash_attention.so")
 set(XPU_XPUDNN_LIB_NAME "libxpu_dnn.so")
 
 if(NOT DEFINED XPU_XHPC_BASE_DATE)
-  set(XPU_XHPC_BASE_DATE "dev/20250220")
+  set(XPU_XHPC_BASE_DATE "dev/20250310")
 endif()
 set(XPU_XCCL_BASE_VERSION "3.0.2.3") # For XRE5
 if(NOT DEFINED XPU_XFT_BASE_VERSION)

paddle/phi/backends/xpu/xpu3_op_list.cc

@@ -604,6 +604,8 @@ XPUOpMap& get_kl3_ops() {
        XPUKernelSet({phi::DataType::BFLOAT16,
                      phi::DataType::FLOAT32,
                      phi::DataType::FLOAT16})},
+      {"flashmask_attention",
+       XPUKernelSet({phi::DataType::BFLOAT16, phi::DataType::FLOAT16})},
       {"flash_attn_unpadded",
        XPUKernelSet({phi::DataType::BFLOAT16,
                      phi::DataType::FLOAT32,