build: add REUSE Compliance Check

In accordance with reuse requirements:
- Place each license file in the LICENSES/ directory
- Add missing SPDX-License-Identifier to files.
- Add .reuse/dep5 to bulk-license files

Fixes: #5887

Signed-off-by: Ruslan Mstoi <ruslan.mstoi@intel.com>

.github/workflows/reuse.yaml

@@ -0,0 +1,12 @@
+name: REUSE Compliance Check
+
+on: [push, pull_request]
+
+jobs:
+  reuse:
+    name: REUSE Compliance Check
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - name: REUSE Compliance Check
+      uses: fsfe/reuse-action@v3

.reuse/dep5

@@ -0,0 +1,12 @@
+Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
+Upstream-Name: cloud-hypervisor
+Upstream-Contact:  <>
+Source: https://www.cloudhypervisor.org
+
+Files: docs/*.md *.md
+Copyright: 2024
+License: CC-BY-4.0
+
+Files: scripts/* test_data/* *.toml .git* fuzz/Cargo.lock fuzz/.gitignore resources/linux-config-* vmm/src/api/openapi/cloud-hypervisor.yaml CODEOWNERS Cargo.lock
+Copyright: 2024
+License: Apache-2.0

LICENSES/CC-BY-4.0.txt

@@ -1,4 +1,5 @@
-The documentation in this directory is covered by the following license:
+All documentations (e.g. files with extension `.md`) in this repository is
+covered by the following license:
 
 Attribution 4.0 International
 

arch/src/aarch64/uefi.rs

@@ -1,4 +1,6 @@
 // Copyright 2020 Arm Limited (or its affiliates). All rights reserved.
+//
+// SPDX-License-Identifier: Apache-2.0
 
 use std::io::{Read, Seek, SeekFrom};
 use std::os::fd::AsFd;

arch/src/x86_64/mpspec.rs

@@ -1,4 +1,6 @@
 // Copyright 2017 The Chromium OS Authors. All rights reserved.
+//
+// SPDX-License-Identifier: Apache-2.0 AND BSD-3-Clause
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE-BSD-3-Clause file.
 

block/src/qcow/mod.rs

@@ -1,6 +1,8 @@
 // Copyright 2018 The Chromium OS Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE-BSD-3-Clause file.
+//
+// SPDX-License-Identifier: Apache-2.0 AND BSD-3-Clause
 
 mod qcow_raw_file;
 mod raw_file;

block/src/qcow/qcow_raw_file.rs

@@ -1,6 +1,8 @@
 // Copyright 2018 The Chromium OS Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE-BSD-3-Clause file.
+//
+// SPDX-License-Identifier: Apache-2.0 AND BSD-3-Clause
 
 use super::RawFile;
 use byteorder::{BigEndian, ReadBytesExt, WriteBytesExt};

block/src/qcow/refcount.rs

@@ -1,6 +1,8 @@
 // Copyright 2018 The Chromium OS Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE-BSD-3-Clause file.
+//
+// SPDX-License-Identifier: Apache-2.0 AND BSD-3-Clause
 
 use std::fmt::{self, Display};
 use std::io;

block/src/qcow/vec_cache.rs

@@ -1,6 +1,8 @@
 // Copyright 2018 The Chromium OS Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE-BSD-3-Clause file.
+//
+// SPDX-License-Identifier: Apache-2.0 AND BSD-3-Clause
 
 use std::collections::hash_map::IterMut;
 use std::collections::HashMap;

devices/src/legacy/cmos.rs

@@ -1,6 +1,8 @@
 // Copyright 2017 The Chromium OS Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
+//
+// SPDX-License-Identifier: Apache-2.0 AND BSD-3-Clause
 
 use libc::{clock_gettime, gmtime_r, timespec, tm, CLOCK_REALTIME};
 use std::cmp::min;

devices/src/legacy/i8042.rs

@@ -1,6 +1,8 @@
 // Copyright 2017 The Chromium OS Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE-BSD-3-Clause file.
+//
+// SPDX-License-Identifier: Apache-2.0 AND BSD-3-Clause
 
 use std::sync::{
     atomic::{AtomicBool, Ordering},

fuzz/fuzz_targets/qcow.rs

@@ -1,6 +1,8 @@
 // Copyright 2018 The Chromium OS Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE-BSD-3-Clause file.
+//
+// SPDX-License-Identifier: Apache-2.0 AND BSD-3-Clause
 
 #![no_main]
 use libfuzzer_sys::fuzz_target;

hypervisor/src/arch/aarch64/gic.rs

@@ -1,4 +1,6 @@
 // Copyright 2022 Arm Limited (or its affiliates). All rights reserved.
+//
+// SPDX-License-Identifier: Apache-2.0
 
 use crate::{CpuState, GicState, HypervisorDeviceError, HypervisorVmError};
 use std::any::Any;

hypervisor/src/arch/aarch64/mod.rs

@@ -1,3 +1,5 @@
 // Copyright 2022 Arm Limited (or its affiliates). All rights reserved.
+//
+// SPDX-License-Identifier: Apache-2.0
 
 pub mod gic;

hypervisor/src/arch/x86/msr_index.rs

@@ -1,4 +1,6 @@
 // Copyright 2017 The Chromium OS Authors. All rights reserved.
+//
+// SPDX-License-Identifier: Apache-2.0 AND BSD-3-Clause
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE-BSD-3-Clause file.
 

hypervisor/src/kvm/aarch64/gic/mod.rs

@@ -1,4 +1,6 @@
 // Copyright 2022 Arm Limited (or its affiliates). All rights reserved.
+//
+// SPDX-License-Identifier: Apache-2.0
 
 mod dist_regs;
 mod icc_regs;

net_gen/src/lib.rs

@@ -1,6 +1,8 @@
 // Copyright TUNTAP, 2017 The Chromium OS Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the THIRD-PARTY file.
+//
+// SPDX-License-Identifier: Apache-2.0 AND BSD-3-Clause
 
 #![allow(non_upper_case_globals)]
 #![allow(non_camel_case_types)]

pci/src/bus.rs

@@ -1,6 +1,8 @@
 // Copyright 2018 The Chromium OS Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE-BSD-3-Clause file.
+//
+// SPDX-License-Identifier: Apache-2.0 AND BSD-3-Clause
 
 use crate::configuration::{
     PciBarRegionType, PciBridgeSubclass, PciClassCode, PciConfiguration, PciHeaderType,

pci/src/configuration.rs

@@ -1,6 +1,8 @@
 // Copyright 2018 The Chromium OS Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE-BSD-3-Clause file.
+//
+// SPDX-License-Identifier: Apache-2.0 AND BSD-3-Clause
 
 use crate::device::BarReprogrammingParams;
 use crate::{MsixConfig, PciInterruptPin};

pci/src/device.rs

@@ -1,6 +1,8 @@
 // Copyright 2018 The Chromium OS Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE-BSD-3-Clause file.
+//
+// SPDX-License-Identifier: Apache-2.0 AND BSD-3-Clause
 
 use crate::configuration::{self, PciBarRegionType};
 use crate::PciBarConfiguration;

pci/src/lib.rs

@@ -1,6 +1,8 @@
 // Copyright 2018 The Chromium OS Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE-BSD-3-Clause file.
+//
+// SPDX-License-Identifier: Apache-2.0 AND BSD-3-Clause
 
 //! Implements pci devices and busses.
 #[macro_use]

resources/Dockerfile

@@ -1,3 +1,5 @@
+# Copyright © 2024 Intel Corporation
+#
 # SPDX-License-Identifier: Apache-2.0
 #
 # When changing this file don't forget to update the tag name in the

scripts/prepare_vdpa.sh

@@ -6,12 +6,14 @@ sudo sed -i -- 's/# deb-src/deb-src/g' /etc/apt/sources.list
 sudo apt update
 apt-get source linux-image-unsigned-"$(uname -r)"
 pushd linux-azure*/drivers/vdpa/vdpa_sim/ || exit
+# REUSE-IgnoreStart
 cat <<'EOF' >Makefile
 # SPDX-License-Identifier: GPL-2.0
 obj-m += vdpa_sim.o
 obj-m += vdpa_sim_net.o
 obj-m += vdpa_sim_blk.o
 EOF
+# REUSE-IgnoreEnd
 make -C /lib/modules/"$(uname -r)"/build M="$PWD"
 sudo make -C /lib/modules/"$(uname -r)"/build M="$PWD" modules_install
 popd || exit

virtio-devices/src/balloon.rs

@@ -1,5 +1,7 @@
 // Copyright (c) 2020 Ant Financial
 //
+// SPDX-License-Identifier: Apache-2.0
+//
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at

virtio-devices/src/mem.rs

@@ -1,5 +1,7 @@
 // Copyright (c) 2020 Ant Financial
 //
+// SPDX-License-Identifier: Apache-2.0
+//
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at

virtio-devices/src/rng.rs

@@ -1,6 +1,8 @@
 // Copyright 2017 The Chromium OS Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
+//
+// SPDX-License-Identifier: Apache-2.0 AND BSD-3-Clause
 
 use super::Error as DeviceError;
 use super::{