NVIDIA · leofang · May 14, 2025 · May 12, 2025 · May 12, 2025 · May 12, 2025
diff --git a/.github/copy-pr-bot.yaml b/.github/copy-pr-bot.yaml
@@ -1,3 +1,6 @@
+# Copyright (c) 2024-2025, NVIDIA CORPORATION & AFFILIATES. ALL RIGHTS RESERVED.
+# SPDX-License-Identifier: Apache-2.0
+
 # Configuration file for `copy-pr-bot` GitHub App
 # https://docs.gha-runners.nvidia.com/apps/copy-pr-bot/
 

diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
@@ -19,6 +19,16 @@ repos:
       - id: ruff
         args: [--fix, --show-fixes]
       - id: ruff-format
+
+  - repo: local
+    hooks:
+      - id: check-spdx
+        name: Check SPDX-License-Identifier
+        entry: python ./toolshed/check_spdx.py
+        language: python
+        additional_dependencies:
+          - https://files.pythonhosted.org/packages/cc/20/ff623b09d963f88bfde16306a54e12ee5ea43e9b597108672ff3a408aad6/pathspec-0.12.1-py3-none-any.whl
+
   - repo: https://github.com/PyCQA/bandit
     rev: 8ff25e07e487f143571cc305e56dd0253c60bc7b  #v1.8.3
     hooks:

diff --git a/.spdx-ignore b/.spdx-ignore
@@ -0,0 +1,13 @@
+LICENSE
+*.html
+*.json
+*.md
+*.png
+.gitattributes
+.gitignore
+.github/BACKPORT_BRANCH
+requirements*.txt
+cuda_bindings/examples/*
+
+# Vendored
+cuda_core/cuda/core/experimental/dlpack.h
diff --git a/cuda_bindings/MANIFEST.in b/cuda_bindings/MANIFEST.in
@@ -1,3 +1,6 @@
+# Copyright (c) 2024-2025, NVIDIA CORPORATION & AFFILIATES. ALL RIGHTS RESERVED.
+# SPDX-License-Identifier: LicenseRef-NVIDIA-SOFTWARE-LICENSE
+
 recursive-include cuda/ *.pyx *.pxd *.pxi
 # at least with setuptools 75.0.0 this folder was added erroneously
 # to the payload, causing file copying to the build environment failed

diff --git a/cuda_bindings/benchmarks/conftest.py b/cuda_bindings/benchmarks/conftest.py
@@ -1,10 +1,6 @@
 # Copyright 2021-2025 NVIDIA Corporation.  All rights reserved.
-#
-# Please refer to the NVIDIA end user license agreement (EULA) associated
-# with this source code for terms and conditions that govern your use of
-# this software. Any use, reproduction, disclosure, or distribution of
-# this software and related documentation outside the terms of the EULA
-# is strictly prohibited.
+# SPDX-License-Identifier: LicenseRef-NVIDIA-SOFTWARE-LICENSE
+
 import numpy as np
 import pytest
 

diff --git a/cuda_bindings/benchmarks/kernels.py b/cuda_bindings/benchmarks/kernels.py
@@ -1,10 +1,6 @@
 # Copyright 2021-2025 NVIDIA Corporation.  All rights reserved.
-#
-# Please refer to the NVIDIA end user license agreement (EULA) associated
-# with this source code for terms and conditions that govern your use of
-# this software. Any use, reproduction, disclosure, or distribution of
-# this software and related documentation outside the terms of the EULA
-# is strictly prohibited.
+# SPDX-License-Identifier: LicenseRef-NVIDIA-SOFTWARE-LICENSE
+
 kernel_string = """\
 #define ITEM_PARAM(x, T) T x
 #define REP1(x, T)   , ITEM_PARAM(x, T)

diff --git a/cuda_bindings/benchmarks/pytest.ini b/cuda_bindings/benchmarks/pytest.ini
@@ -1,3 +1,6 @@
+# Copyright (c) 2021-2025, NVIDIA CORPORATION & AFFILIATES. ALL RIGHTS RESERVED.
+# SPDX-License-Identifier: LicenseRef-NVIDIA-SOFTWARE-LICENSE
+
 [pytest]
 required_plugins = pytest-benchmark
 addopts = --benchmark-skip
diff --git a/cuda_bindings/benchmarks/test_cupy.py b/cuda_bindings/benchmarks/test_cupy.py
@@ -1,10 +1,6 @@
 # Copyright 2021-2025 NVIDIA Corporation.  All rights reserved.
-#
-# Please refer to the NVIDIA end user license agreement (EULA) associated
-# with this source code for terms and conditions that govern your use of
-# this software. Any use, reproduction, disclosure, or distribution of
-# this software and related documentation outside the terms of the EULA
-# is strictly prohibited.
+# SPDX-License-Identifier: LicenseRef-NVIDIA-SOFTWARE-LICENSE
+
 import ctypes
 
 import pytest

diff --git a/cuda_bindings/benchmarks/test_launch_latency.py b/cuda_bindings/benchmarks/test_launch_latency.py
@@ -1,10 +1,6 @@
 # Copyright 2021-2025 NVIDIA Corporation.  All rights reserved.
-#
-# Please refer to the NVIDIA end user license agreement (EULA) associated
-# with this source code for terms and conditions that govern your use of
-# this software. Any use, reproduction, disclosure, or distribution of
-# this software and related documentation outside the terms of the EULA
-# is strictly prohibited.
+# SPDX-License-Identifier: LicenseRef-NVIDIA-SOFTWARE-LICENSE
+
 import ctypes
 
 import pytest

diff --git a/cuda_bindings/benchmarks/test_numba.py b/cuda_bindings/benchmarks/test_numba.py
@@ -1,10 +1,6 @@
 # Copyright 2021-2025 NVIDIA Corporation.  All rights reserved.
-#
-# Please refer to the NVIDIA end user license agreement (EULA) associated
-# with this source code for terms and conditions that govern your use of
-# this software. Any use, reproduction, disclosure, or distribution of
-# this software and related documentation outside the terms of the EULA
-# is strictly prohibited.
+# SPDX-License-Identifier: LicenseRef-NVIDIA-SOFTWARE-LICENSE
+
 import numpy as np
 import pytest
 

diff --git a/cuda_bindings/benchmarks/test_pointer_attributes.py b/cuda_bindings/benchmarks/test_pointer_attributes.py
@@ -1,10 +1,6 @@
 # Copyright 2021-2025 NVIDIA Corporation.  All rights reserved.
-#
-# Please refer to the NVIDIA end user license agreement (EULA) associated
-# with this source code for terms and conditions that govern your use of
-# this software. Any use, reproduction, disclosure, or distribution of
-# this software and related documentation outside the terms of the EULA
-# is strictly prohibited.
+# SPDX-License-Identifier: LicenseRef-NVIDIA-SOFTWARE-LICENSE
+
 import random
 
 import pytest

diff --git a/cuda_bindings/cuda/bindings/__init__.py b/cuda_bindings/cuda/bindings/__init__.py
@@ -1,9 +1,4 @@
 # Copyright 2024 NVIDIA Corporation.  All rights reserved.
-#
-# Please refer to the NVIDIA end user license agreement (EULA) associated
-# with this source code for terms and conditions that govern your use of
-# this software. Any use, reproduction, disclosure, or distribution of
-# this software and related documentation outside the terms of the EULA
-# is strictly prohibited.
+# SPDX-License-Identifier: LicenseRef-NVIDIA-SOFTWARE-LICENSE
 
 from cuda.bindings._version import __version__
diff --git a/cuda_bindings/cuda/bindings/_bindings/cydriver.pxd.in b/cuda_bindings/cuda/bindings/_bindings/cydriver.pxd.in
@@ -1,11 +1,6 @@
 # Copyright 2021-2025 NVIDIA Corporation.  All rights reserved.
-#
-# Please refer to the NVIDIA end user license agreement (EULA) associated
-# with this source code for terms and conditions that govern your use of
-# this software. Any use, reproduction, disclosure, or distribution of
-# this software and related documentation outside the terms of the EULA
-# is strictly prohibited.
-#
+# SPDX-License-Identifier: LicenseRef-NVIDIA-SOFTWARE-LICENSE
+
 # This code was automatically generated with version 12.9.0. Do not modify it directly.
 from cuda.bindings.cydriver cimport *
 

diff --git a/cuda_bindings/cuda/bindings/_bindings/cydriver.pyx.in b/cuda_bindings/cuda/bindings/_bindings/cydriver.pyx.in
@@ -1,22 +1,14 @@
 # Copyright 2021-2025 NVIDIA Corporation.  All rights reserved.
-#
-# Please refer to the NVIDIA end user license agreement (EULA) associated
-# with this source code for terms and conditions that govern your use of
-# this software. Any use, reproduction, disclosure, or distribution of
-# this software and related documentation outside the terms of the EULA
-# is strictly prohibited.
-#
+# SPDX-License-Identifier: LicenseRef-NVIDIA-SOFTWARE-LICENSE
+
 # This code was automatically generated with version 12.9.0. Do not modify it directly.
 {{if 'Windows' == platform.system()}}
 import os
-import site
-import struct
 import win32api
 from pywintypes import error
 {{else}}
 cimport cuda.bindings._lib.dlfcn as dlfcn
 {{endif}}
-
 from libc.stdint cimport intptr_t
 import os
 import sys

diff --git a/cuda_bindings/cuda/bindings/_bindings/cynvrtc.pxd.in b/cuda_bindings/cuda/bindings/_bindings/cynvrtc.pxd.in
@@ -1,11 +1,6 @@
 # Copyright 2021-2025 NVIDIA Corporation.  All rights reserved.
-#
-# Please refer to the NVIDIA end user license agreement (EULA) associated
-# with this source code for terms and conditions that govern your use of
-# this software. Any use, reproduction, disclosure, or distribution of
-# this software and related documentation outside the terms of the EULA
-# is strictly prohibited.
-#
+# SPDX-License-Identifier: LicenseRef-NVIDIA-SOFTWARE-LICENSE
+
 # This code was automatically generated with version 12.9.0. Do not modify it directly.
 from cuda.bindings.cynvrtc cimport *
 

diff --git a/cuda_bindings/cuda/bindings/_bindings/cynvrtc.pyx.in b/cuda_bindings/cuda/bindings/_bindings/cynvrtc.pyx.in
@@ -1,11 +1,6 @@
 # Copyright 2021-2025 NVIDIA Corporation.  All rights reserved.
-#
-# Please refer to the NVIDIA end user license agreement (EULA) associated
-# with this source code for terms and conditions that govern your use of
-# this software. Any use, reproduction, disclosure, or distribution of
-# this software and related documentation outside the terms of the EULA
-# is strictly prohibited.
-#
+# SPDX-License-Identifier: LicenseRef-NVIDIA-SOFTWARE-LICENSE
+
 # This code was automatically generated with version 12.9.0. Do not modify it directly.
 {{if 'Windows' == platform.system()}}
 import os
@@ -15,7 +10,6 @@ cimport cuda.bindings._lib.dlfcn as dlfcn
 from libc.stdint cimport uintptr_t
 {{endif}}
 from cuda.bindings import path_finder
-
 from libc.stdint cimport intptr_t
 
 cdef bint __cuPythonInit = False

diff --git a/cuda_bindings/cuda/bindings/_bindings/cyruntime.pxd.in b/cuda_bindings/cuda/bindings/_bindings/cyruntime.pxd.in
@@ -1,11 +1,6 @@
 # Copyright 2021-2025 NVIDIA Corporation.  All rights reserved.
-#
-# Please refer to the NVIDIA end user license agreement (EULA) associated
-# with this source code for terms and conditions that govern your use of
-# this software. Any use, reproduction, disclosure, or distribution of
-# this software and related documentation outside the terms of the EULA
-# is strictly prohibited.
-#
+# SPDX-License-Identifier: LicenseRef-NVIDIA-SOFTWARE-LICENSE
+
 # This code was automatically generated with version 12.9.0. Do not modify it directly.
 include "../cyruntime_types.pxi"
 

diff --git a/cuda_bindings/cuda/bindings/_bindings/cyruntime.pyx.in b/cuda_bindings/cuda/bindings/_bindings/cyruntime.pyx.in
@@ -1,11 +1,6 @@
 # Copyright 2021-2025 NVIDIA Corporation.  All rights reserved.
-#
-# Please refer to the NVIDIA end user license agreement (EULA) associated
-# with this source code for terms and conditions that govern your use of
-# this software. Any use, reproduction, disclosure, or distribution of
-# this software and related documentation outside the terms of the EULA
-# is strictly prohibited.
-#
+# SPDX-License-Identifier: LicenseRef-NVIDIA-SOFTWARE-LICENSE
+
 # This code was automatically generated with version 12.9.0. Do not modify it directly.
 include "../cyruntime_functions.pxi"
 

diff --git a/cuda_bindings/cuda/bindings/_bindings/cyruntime_ptds.pxd.in b/cuda_bindings/cuda/bindings/_bindings/cyruntime_ptds.pxd.in
@@ -1,11 +1,6 @@
 # Copyright 2021-2025 NVIDIA Corporation.  All rights reserved.
-#
-# Please refer to the NVIDIA end user license agreement (EULA) associated
-# with this source code for terms and conditions that govern your use of
-# this software. Any use, reproduction, disclosure, or distribution of
-# this software and related documentation outside the terms of the EULA
-# is strictly prohibited.
-#
+# SPDX-License-Identifier: LicenseRef-NVIDIA-SOFTWARE-LICENSE
+
 # This code was automatically generated with version 12.9.0. Do not modify it directly.
 cdef extern from "":
     """

diff --git a/cuda_bindings/cuda/bindings/_bindings/cyruntime_ptds.pyx.in b/cuda_bindings/cuda/bindings/_bindings/cyruntime_ptds.pyx.in
@@ -1,11 +1,6 @@
 # Copyright 2021-2025 NVIDIA Corporation.  All rights reserved.
-#
-# Please refer to the NVIDIA end user license agreement (EULA) associated
-# with this source code for terms and conditions that govern your use of
-# this software. Any use, reproduction, disclosure, or distribution of
-# this software and related documentation outside the terms of the EULA
-# is strictly prohibited.
-#
+# SPDX-License-Identifier: LicenseRef-NVIDIA-SOFTWARE-LICENSE
+
 # This code was automatically generated with version 12.9.0. Do not modify it directly.
 cdef extern from "":
     """

diff --git a/cuda_bindings/cuda/bindings/_bindings/loader.cpp b/cuda_bindings/cuda/bindings/_bindings/loader.cpp
@@ -1,10 +1,6 @@
 // Copyright 2021-2024 NVIDIA Corporation.  All rights reserved.
-//
-// Please refer to the NVIDIA end user license agreement (EULA) associated
-// with this source code for terms and conditions that govern your use of
-// this software. Any use, reproduction, disclosure, or distribution of
-// this software and related documentation outside the terms of the EULA
-// is strictly prohibited.
+// SPDX-License-Identifier: LicenseRef-NVIDIA-SOFTWARE-LICENSE
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <cstring>

diff --git a/cuda_bindings/cuda/bindings/_bindings/loader.h b/cuda_bindings/cuda/bindings/_bindings/loader.h
@@ -1,4 +1,5 @@
 // Copyright 2021-2024 NVIDIA Corporation.  All rights reserved.
+// SPDX-License-Identifier: LicenseRef-NVIDIA-SOFTWARE-LICENSE
 //
 // Please refer to the NVIDIA end user license agreement (EULA) associated
 // with this source code for terms and conditions that govern your use of

diff --git a/cuda_bindings/cuda/bindings/_bindings/loader.pxd b/cuda_bindings/cuda/bindings/_bindings/loader.pxd
@@ -1,10 +1,5 @@
-
 # Copyright 2021-2024 NVIDIA Corporation.  All rights reserved.
-#
-# Please refer to the NVIDIA end user license agreement (EULA) associated
-# with this source code for terms and conditions that govern your use of
-# this software. Any use, reproduction, disclosure, or distribution of
-# this software and related documentation outside the terms of the EULA
-# is strictly prohibited.
+# SPDX-License-Identifier: LicenseRef-NVIDIA-SOFTWARE-LICENSE
+
 cdef extern from "loader.h":
     int getCUDALibraryPath(char *libPath, bint isBit64)
diff --git a/cuda_bindings/cuda/bindings/_lib/cyruntime/cyruntime.pxd.in b/cuda_bindings/cuda/bindings/_lib/cyruntime/cyruntime.pxd.in
@@ -1,10 +1,6 @@
 # Copyright 2021-2025 NVIDIA Corporation.  All rights reserved.
-#
-# Please refer to the NVIDIA end user license agreement (EULA) associated
-# with this source code for terms and conditions that govern your use of
-# this software. Any use, reproduction, disclosure, or distribution of
-# this software and related documentation outside the terms of the EULA
-# is strictly prohibited.
+# SPDX-License-Identifier: LicenseRef-NVIDIA-SOFTWARE-LICENSE
+
 from cuda.bindings.cyruntime cimport *
 
 # These graphics API are the reimplemented version of what's supported by CUDA Runtime.

diff --git a/cuda_bindings/cuda/bindings/_lib/cyruntime/cyruntime.pyx.in b/cuda_bindings/cuda/bindings/_lib/cyruntime/cyruntime.pyx.in
@@ -1,10 +1,6 @@
 # Copyright 2021-2025 NVIDIA Corporation.  All rights reserved.
-#
-# Please refer to the NVIDIA end user license agreement (EULA) associated
-# with this source code for terms and conditions that govern your use of
-# this software. Any use, reproduction, disclosure, or distribution of
-# this software and related documentation outside the terms of the EULA
-# is strictly prohibited.
+# SPDX-License-Identifier: LicenseRef-NVIDIA-SOFTWARE-LICENSE
+
 from cuda.bindings.cyruntime cimport *
 from cuda.bindings._lib.cyruntime.utils cimport *
 from libc.string cimport memset

diff --git a/cuda_bindings/cuda/bindings/_lib/cyruntime/utils.pxd.in b/cuda_bindings/cuda/bindings/_lib/cyruntime/utils.pxd.in
@@ -1,10 +1,6 @@
 # Copyright 2021-2025 NVIDIA Corporation.  All rights reserved.
-#
-# Please refer to the NVIDIA end user license agreement (EULA) associated
-# with this source code for terms and conditions that govern your use of
-# this software. Any use, reproduction, disclosure, or distribution of
-# this software and related documentation outside the terms of the EULA
-# is strictly prohibited.
+# SPDX-License-Identifier: LicenseRef-NVIDIA-SOFTWARE-LICENSE
+
 from cuda.bindings.cyruntime cimport *
 cimport cuda.bindings._bindings.cydriver as cydriver
 

diff --git a/cuda_bindings/cuda/bindings/_lib/cyruntime/utils.pyx.in b/cuda_bindings/cuda/bindings/_lib/cyruntime/utils.pyx.in
@@ -1,10 +1,6 @@
 # Copyright 2021-2025 NVIDIA Corporation.  All rights reserved.
-#
-# Please refer to the NVIDIA end user license agreement (EULA) associated
-# with this source code for terms and conditions that govern your use of
-# this software. Any use, reproduction, disclosure, or distribution of
-# this software and related documentation outside the terms of the EULA
-# is strictly prohibited.
+# SPDX-License-Identifier: LicenseRef-NVIDIA-SOFTWARE-LICENSE
+
 import cython
 from cuda.bindings.cyruntime cimport *
 from libc.string cimport memset

diff --git a/cuda_bindings/cuda/bindings/_lib/dlfcn.pxd b/cuda_bindings/cuda/bindings/_lib/dlfcn.pxd
@@ -1,10 +1,6 @@
 # Copyright 2021-2024 NVIDIA Corporation.  All rights reserved.
-#
-# Please refer to the NVIDIA end user license agreement (EULA) associated
-# with this source code for terms and conditions that govern your use of
-# this software. Any use, reproduction, disclosure, or distribution of
-# this software and related documentation outside the terms of the EULA
-# is strictly prohibited.
+# SPDX-License-Identifier: LicenseRef-NVIDIA-SOFTWARE-LICENSE
+
 cdef extern from "<dlfcn.h>" nogil:
     void *dlopen(const char *, int)
     char *dlerror()
@@ -15,4 +11,4 @@ cdef extern from "<dlfcn.h>" nogil:
         RTLD_LAZY
         RTLD_NOW
         RTLD_GLOBAL
-        RTLD_LOCAL
+        RTLD_LOCAL
diff --git a/cuda_bindings/cuda/bindings/_lib/param_packer.cpp b/cuda_bindings/cuda/bindings/_lib/param_packer.cpp
@@ -1,10 +1,6 @@
 // Copyright 2021-2024 NVIDIA Corporation.  All rights reserved.
-//
-// Please refer to the NVIDIA end user license agreement (EULA) associated
-// with this source code for terms and conditions that govern your use of
-// this software. Any use, reproduction, disclosure, or distribution of
-// this software and related documentation outside the terms of the EULA
-// is strictly prohibited.
+// SPDX-License-Identifier: LicenseRef-NVIDIA-SOFTWARE-LICENSE
+
 #include <Python.h>
 #include "param_packer.h"
 

diff --git a/cuda_bindings/cuda/bindings/_lib/param_packer.h b/cuda_bindings/cuda/bindings/_lib/param_packer.h
@@ -1,4 +1,5 @@
 // Copyright 2021-2024 NVIDIA Corporation.  All rights reserved.
+// SPDX-License-Identifier: LicenseRef-NVIDIA-SOFTWARE-LICENSE
 //
 // Please refer to the NVIDIA end user license agreement (EULA) associated
 // with this source code for terms and conditions that govern your use of