diff --git a/include/ck_tile/ops/fmha/pipeline/block_fmha_batch_prefill_pipeline_qr_ks_vs_async.hpp b/include/ck_tile/ops/fmha/pipeline/block_fmha_batch_prefill_pipeline_qr_ks_vs_async.hpp
index 911ee2f295..bc9e904348 100644
--- a/include/ck_tile/ops/fmha/pipeline/block_fmha_batch_prefill_pipeline_qr_ks_vs_async.hpp
+++ b/include/ck_tile/ops/fmha/pipeline/block_fmha_batch_prefill_pipeline_qr_ks_vs_async.hpp
@@ -209,6 +209,7 @@ struct BlockFmhaBatchPrefillPipelineQRKSVSAsync
     static constexpr bool kStoreLSE         = Problem::kStoreLSE;
     static constexpr bool kHasDropout       = Problem::kHasDropout;
     static constexpr auto kKVMemoryLayout   = Problem::kKVMemoryLayout;
+    static constexpr auto QScaleEnum        = Problem::QScaleEnum;
 
     static_assert((CK_TILE_FMHA_FWD_FAST_EXP2 &&
                    (kHasLogitsSoftCap && Problem::BiasEnum == BlockAttentionBiasEnum::NO_BIAS ||
@@ -236,6 +237,10 @@ struct BlockFmhaBatchPrefillPipelineQRKSVSAsync
     static constexpr auto LOG2E   = log2e_v<SaccDataType>;
 #endif
 
+    // For BLOCKSCALE: shift value for exp2(x + shift) to scale P to [0, 2^shift]
+    static constexpr float OCP_FP8_SHIFT  = 8.0f;
+    static constexpr float FNUZ_FP8_SHIFT = 7.0f;
+
     static constexpr index_t kBlockPerCu = []() {
         if constexpr(Problem::kBlockPerCu != -1)
             return Problem::kBlockPerCu;