diff --git a/Cargo.lock b/Cargo.lock
index b832ae3..0dea597 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -220,6 +220,26 @@ version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ace50bade8e6234aa140d9a2f552bbee1db4d353f69b8217bc503490fc1a9f26"
 
+[[package]]
+name = "bindgen"
+version = "0.71.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5f58bf3d7db68cfbac37cfc485a8d711e87e064c3d0fe0435b92f7a407f9d6b3"
+dependencies = [
+ "bitflags 2.9.1",
+ "cexpr",
+ "clang-sys",
+ "itertools 0.13.0",
+ "log",
+ "prettyplease",
+ "proc-macro2",
+ "quote",
+ "regex",
+ "rustc-hash",
+ "shlex",
+ "syn 2.0.104",
+]
+
 [[package]]
 name = "bit-set"
 version = "0.8.0"
@@ -277,18 +297,58 @@ version = "3.17.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1628fb46dfa0b37568d12e5edd512553eccf6a22a78e8bde00bb4aed84d5bdbf"
 
+[[package]]
+name = "bytemuck"
+version = "1.23.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5c76a5792e44e4abe34d3abf15636779261d45a7450612059293d1d2cfc63422"
+dependencies = [
+ "bytemuck_derive",
+]
+
+[[package]]
+name = "bytemuck_derive"
+version = "1.9.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7ecc273b49b3205b83d648f0690daa588925572cc5063745bfe547fe7ec8e1a1"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.104",
+]
+
 [[package]]
 name = "cast"
 version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "37b2a672a2cb129a2e41c10b1224bb368f9f37a2b16b612598138befd7b37eb5"
 
+[[package]]
+name = "cexpr"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6fac387a98bb7c37292057cffc56d62ecb629900026402633ae9160df93a8766"
+dependencies = [
+ "nom",
+]
+
 [[package]]
 name = "cfg-if"
 version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
+[[package]]
+name = "clang-sys"
+version = "1.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0b023947811758c97c59bf9d1c188fd619ad4718dcaa767947df1cadb14f39f4"
+dependencies = [
+ "glob",
+ "libc",
+ "libloading",
+]
+
 [[package]]
 name = "clap"
 version = "2.34.0"
@@ -448,7 +508,7 @@ dependencies = [
  "ident_case",
  "proc-macro2",
  "quote",
- "syn 2.0.101",
+ "syn 2.0.104",
 ]
 
 [[package]]
@@ -459,7 +519,7 @@ checksum = "fc34b93ccb385b40dc71c6fceac4b2ad23662c7eeb248cf10d529b7e055b6ead"
 dependencies = [
  "darling_core",
  "quote",
- "syn 2.0.101",
+ "syn 2.0.104",
 ]
 
 [[package]]
@@ -508,7 +568,7 @@ dependencies = [
  "darling",
  "proc-macro2",
  "quote",
- "syn 2.0.101",
+ "syn 2.0.104",
 ]
 
 [[package]]
@@ -557,7 +617,7 @@ checksum = "1a5c6c585bc94aaf2c7b51dd4c2ba22680844aba4c687be581871a6f518c5742"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.101",
+ "syn 2.0.104",
 ]
 
 [[package]]
@@ -676,6 +736,12 @@ dependencies = [
  "wasi 0.14.2+wasi-0.2.4",
 ]
 
+[[package]]
+name = "glob"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a8d1add55171497b4705a648c6b583acafb01d58050a51727785f0b2c8e0a2b2"
+
 [[package]]
 name = "half"
 version = "1.8.3"
@@ -777,6 +843,16 @@ version = "0.2.172"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d750af042f7ef4f724306de029d18836c26c1765a54a6a3f094cbd23a7267ffa"
 
+[[package]]
+name = "libloading"
+version = "0.8.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "07033963ba89ebaf1584d767badaa2e8fcec21aedea6b8c0346d487d49c28667"
+dependencies = [
+ "cfg-if",
+ "windows-targets",
+]
+
 [[package]]
 name = "linux-raw-sys"
 version = "0.9.4"
@@ -829,6 +905,12 @@ dependencies = [
  "paste",
 ]
 
+[[package]]
+name = "minimal-lexical"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "68354c5c6bd36d73ff3feceb05efa59b6acb7626617f4962be322a825e61f79a"
+
 [[package]]
 name = "mopro-msm"
 version = "0.2.0"
@@ -841,6 +923,8 @@ dependencies = [
  "ark-relations",
  "ark-serialize",
  "ark-std",
+ "bindgen",
+ "bytemuck",
  "criterion",
  "enumset",
  "instant",
@@ -860,6 +944,16 @@ dependencies = [
  "toml",
 ]
 
+[[package]]
+name = "nom"
+version = "7.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d273983c5a657a70a3e8f2a01329822f3b8c8172b73826411a55751e404a0a4a"
+dependencies = [
+ "memchr",
+ "minimal-lexical",
+]
+
 [[package]]
 name = "num-bigint"
 version = "0.4.6"
@@ -988,6 +1082,16 @@ dependencies = [
  "zerocopy",
 ]
 
+[[package]]
+name = "prettyplease"
+version = "0.2.35"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "061c1221631e079b26479d25bbf2275bfe5917ae8419cd7e34f13bfc2aa7539a"
+dependencies = [
+ "proc-macro2",
+ "syn 2.0.104",
+]
+
 [[package]]
 name = "proc-macro2"
 version = "1.0.95"
@@ -1135,6 +1239,12 @@ version = "0.8.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2b15c43186be67a4fd63bee50d0303afffcef381492ebe2c5d87f324e1b8815c"
 
+[[package]]
+name = "rustc-hash"
+version = "2.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "357703d41365b4b27c590e3ed91eabb1b663f07c4c084095e60cbed4362dff0d"
+
 [[package]]
 name = "rustc_version"
 version = "0.4.1"
@@ -1244,7 +1354,7 @@ checksum = "5b0276cf7f2c73365f7157c8123c21cd9a50fbbd844757af28ca1f5925fc2a00"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.101",
+ "syn 2.0.104",
 ]
 
 [[package]]
@@ -1290,7 +1400,7 @@ checksum = "5d69265a08751de7844521fd15003ae0a888e035773ba05695c5c759a6f89eef"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.101",
+ "syn 2.0.104",
 ]
 
 [[package]]
@@ -1304,6 +1414,12 @@ dependencies = [
  "digest",
 ]
 
+[[package]]
+name = "shlex"
+version = "1.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0fda2ff0d084019ba4d7c6f371c95d8fd75ce3524c3cb8fb653a3023f6323e64"
+
 [[package]]
 name = "slab"
 version = "0.4.9"
@@ -1338,9 +1454,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.101"
+version = "2.0.104"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8ce2b7fc941b3a24138a0a7cf8e858bfc6a992e7978a068a5c760deb0ed43caf"
+checksum = "17b6f705963418cdb9927482fa304bc562ece2fdd4f616084c50b7023b435a40"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1561,7 +1677,7 @@ dependencies = [
  "log",
  "proc-macro2",
  "quote",
- "syn 2.0.101",
+ "syn 2.0.104",
  "wasm-bindgen-shared",
 ]
 
@@ -1583,7 +1699,7 @@ checksum = "8ae87ea40c9f689fc23f209965b6fb8a99ad69aeeb0231408be24920604395de"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.101",
+ "syn 2.0.104",
  "wasm-bindgen-backend",
  "wasm-bindgen-shared",
 ]
@@ -1746,7 +1862,7 @@ checksum = "28a6e20d751156648aa063f3800b706ee209a32c0b4d9f24be3d980b01be55ef"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.101",
+ "syn 2.0.104",
 ]
 
 [[package]]
@@ -1766,5 +1882,5 @@ checksum = "ce36e65b0d2999d2aafac989fb249189a141aee1f53c612c1f37d72631959f69"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.101",
+ "syn 2.0.104",
 ]
diff --git a/mopro-msm/Cargo.toml b/mopro-msm/Cargo.toml
index d340ccd..22bee35 100644
--- a/mopro-msm/Cargo.toml
+++ b/mopro-msm/Cargo.toml
@@ -40,11 +40,14 @@ rayon = "1.5.1"
 itertools = "0.13.0"
 rand = "0.8.5"
 
+bytemuck = { version = "1.15", features = ["derive"] }
+
 [build-dependencies]
 enumset = "1.0.8"
 toml = "0.8"
 serde = { version = "1.0", features = ["derive"] }
 serde_derive = "1.0"
+bindgen = "0.71"
 
 [dev-dependencies]
 serial_test = "3.0.0"
diff --git a/mopro-msm/build.rs b/mopro-msm/build.rs
index 4e2e7ae..fd71636 100644
--- a/mopro-msm/build.rs
+++ b/mopro-msm/build.rs
@@ -15,6 +15,8 @@ fn compile_shaders() -> std::io::Result<()> {
     let shader_out_dir = out_dir.join("shaders");
     fs::create_dir_all(&shader_out_dir)?;
 
+    build_cpp_header(manifest_dir.clone());
+
     // Check if we should compile all shaders for testing
     // Check environment variable first, then check if this is a test build
     let compile_all_shaders = env::var("MSM_COMPILE_ALL_SHADERS")
@@ -172,6 +174,38 @@ fn compile_shaders() -> std::io::Result<()> {
     Ok(())
 }
 
+fn build_cpp_header(root_dir: PathBuf) {
+    println!("cargo:rerun-if-changed=src/msm/metal_msm/shader/cuzk/Common.h");
+
+    // macOS SDK root for clang
+    let sdk_root = String::from_utf8(
+        std::process::Command::new("xcrun")
+            .args(["--sdk", "macosx", "--show-sdk-path"])
+            .output()
+            .unwrap()
+            .stdout,
+    )
+    .unwrap()
+    .trim()
+    .to_owned();
+
+    let bindings = bindgen::Builder::default()
+        .header(format!(
+            "{}/src/msm/metal_msm/shader/cuzk/Common.h",
+            root_dir.to_str().unwrap()
+        ))
+        .clang_arg(format!("-isysroot{}", sdk_root))
+        // .clang_arg("-x") // Objective-C dialect so #import works
+        // .clang_arg("objective-c")
+        .allowlist_type("Uniforms|Params")
+        .allowlist_type("BufferIndices|Attributes|TextureIndices")
+        .generate()
+        .expect("bindgen failed");
+
+    let out_dir = PathBuf::from(env::var("OUT_DIR").unwrap());
+    bindings.write_to_file(out_dir.join("common.rs")).unwrap();
+}
+
 fn detect_metal_version(sdk: &str) -> std::io::Result<(String, String, bool)> {
     // Use OS version to determine Metal version support
     let os_version = get_os_version();
diff --git a/mopro-msm/src/lib.rs b/mopro-msm/src/lib.rs
index 3020b7b..60ac3bc 100644
--- a/mopro-msm/src/lib.rs
+++ b/mopro-msm/src/lib.rs
@@ -1,4 +1,5 @@
 pub mod msm;
+pub mod types;
 use thiserror::Error;
 
 #[derive(Debug, Error)]
diff --git a/mopro-msm/src/msm/metal_msm/shader/cuzk/Common.h b/mopro-msm/src/msm/metal_msm/shader/cuzk/Common.h
new file mode 100644
index 0000000..9dc9413
--- /dev/null
+++ b/mopro-msm/src/msm/metal_msm/shader/cuzk/Common.h
@@ -0,0 +1,23 @@
+#ifndef Common_h
+#define Common_h
+
+#include <simd/simd.h>
+
+typedef struct {
+  matrix_float4x4 trueMatrix;
+  matrix_float4x4 falseMatrix;
+  matrix_float4x4 otherMatrix;
+} Uniforms;
+
+typedef struct {
+  int width;
+  int height;
+} Params;
+
+typedef enum {
+  VertexBuffer = 0,
+  ParamsBuffer = 2
+} BufferIndices;
+
+
+#endif /* Common_h */
diff --git a/mopro-msm/src/msm/metal_msm/shader/cuzk/smvp.metal b/mopro-msm/src/msm/metal_msm/shader/cuzk/smvp.metal
index 6bc4d0e..b7065ce 100644
--- a/mopro-msm/src/msm/metal_msm/shader/cuzk/smvp.metal
+++ b/mopro-msm/src/msm/metal_msm/shader/cuzk/smvp.metal
@@ -1,6 +1,7 @@
 #include "../curve/jacobian.metal"
 #include "barrett_reduction.metal"
 #include <metal_stdlib>
+#include "Common.h"
 using namespace metal;
 
 #if defined(__METAL_VERSION__) && (__METAL_VERSION__ >= 320)
@@ -37,6 +38,8 @@ kernel void smvp(
 
     const uint subtask_idx = id / half_columns;
 
+    BufferIndices some = BufferIndices::ParamsBuffer;
+
     Jacobian inf = get_bn254_zero_mont();
 
     // an offset for each subtask's row_ptr
diff --git a/mopro-msm/src/msm/metal_msm/tests/cuzk/e2e.rs b/mopro-msm/src/msm/metal_msm/tests/cuzk/e2e.rs
index 31837db..3751fa6 100644
--- a/mopro-msm/src/msm/metal_msm/tests/cuzk/e2e.rs
+++ b/mopro-msm/src/msm/metal_msm/tests/cuzk/e2e.rs
@@ -1,4 +1,5 @@
 use crate::msm::metal_msm::metal_msm::metal_variable_base_msm;
+use crate::types::raw::*;
 use ark_bn254::{Fr as ScalarField, G1Projective as G};
 use ark_ec::CurveGroup;
 use ark_ec::VariableBaseMSM;
@@ -23,6 +24,13 @@ mod tests {
         );
         let start = std::time::Instant::now();
 
+        let _ = BufferIndices_ParamsBuffer;
+
+        let _params = Params {
+            width: 1920,
+            height: 1080,
+        };
+
         // Generate bases and scalars in parallel
         let (bases, scalars): (Vec<_>, Vec<_>) = (0..num_threads)
             .into_par_iter()
diff --git a/mopro-msm/src/types.rs b/mopro-msm/src/types.rs
new file mode 100644
index 0000000..ebf5709
--- /dev/null
+++ b/mopro-msm/src/types.rs
@@ -0,0 +1,14 @@
+#![allow(non_snake_case, non_camel_case_types, non_upper_case_globals)]
+
+pub mod raw {
+    // 1. pull in the bindgen output that build.rs dropped in OUT_DIR
+    include!(concat!(env!("OUT_DIR"), "/common.rs"));
+
+    // 2. add Pod/Zeroable so we can cast to &[u8] safely
+    use bytemuck::{Pod, Zeroable};
+
+    unsafe impl Zeroable for Uniforms {}
+    unsafe impl Pod for Uniforms {}
+    unsafe impl Zeroable for Params {}
+    unsafe impl Pod for Params {}
+}