diff options
| -rw-r--r-- | rust/.gitignore | 1 | ||||
| -rw-r--r-- | rust/Makefile | 28 | ||||
| -rw-r--r-- | rust/kernel/lib.rs | 1 | ||||
| -rw-r--r-- | rust/uapi/lib.rs | 27 | ||||
| -rw-r--r-- | rust/uapi/uapi_helper.h | 9 |
5 files changed, 61 insertions, 5 deletions
diff --git a/rust/.gitignore b/rust/.gitignore index 168cb26a31b9..21552992b401 100644 --- a/rust/.gitignore +++ b/rust/.gitignore @@ -2,6 +2,7 @@ bindings_generated.rs bindings_helpers_generated.rs +uapi_generated.rs exports_*_generated.h doc/ test/ diff --git a/rust/Makefile b/rust/Makefile index f88d108fbef0..04bb52e88331 100644 --- a/rust/Makefile +++ b/rust/Makefile @@ -16,6 +16,9 @@ obj-$(CONFIG_RUST) += alloc.o bindings.o kernel.o always-$(CONFIG_RUST) += exports_alloc_generated.h exports_bindings_generated.h \ exports_kernel_generated.h +always-$(CONFIG_RUST) += uapi/uapi_generated.rs +obj-$(CONFIG_RUST) += uapi.o + ifdef CONFIG_RUST_BUILD_ASSERT_ALLOW obj-$(CONFIG_RUST) += build_error.o else @@ -113,7 +116,7 @@ rustdoc-alloc: $(src)/alloc/lib.rs rustdoc-core rustdoc-compiler_builtins FORCE rustdoc-kernel: private rustc_target_flags = --extern alloc \ --extern build_error --extern macros=$(objtree)/$(obj)/libmacros.so \ - --extern bindings + --extern bindings --extern uapi rustdoc-kernel: $(src)/kernel/lib.rs rustdoc-core rustdoc-macros \ rustdoc-compiler_builtins rustdoc-alloc $(obj)/libmacros.so \ $(obj)/bindings.o FORCE @@ -141,6 +144,9 @@ rusttestlib-macros: $(src)/macros/lib.rs rusttest-prepare FORCE rusttestlib-bindings: $(src)/bindings/lib.rs rusttest-prepare FORCE $(call if_changed,rustc_test_library) +rusttestlib-uapi: $(src)/uapi/lib.rs rusttest-prepare FORCE + $(call if_changed,rustc_test_library) + quiet_cmd_rustdoc_test = RUSTDOC T $< cmd_rustdoc_test = \ OBJTREE=$(abspath $(objtree)) \ @@ -223,9 +229,10 @@ rusttest-macros: $(src)/macros/lib.rs rusttest-prepare FORCE $(call if_changed,rustdoc_test) rusttest-kernel: private rustc_target_flags = --extern alloc \ - --extern build_error --extern macros --extern bindings + --extern build_error --extern macros --extern bindings --extern uapi rusttest-kernel: $(src)/kernel/lib.rs rusttest-prepare \ - rusttestlib-build_error rusttestlib-macros rusttestlib-bindings FORCE + rusttestlib-build_error rusttestlib-macros rusttestlib-bindings \ + rusttestlib-uapi FORCE $(call if_changed,rustc_test) $(call if_changed,rustc_test_library) @@ -288,6 +295,12 @@ $(obj)/bindings/bindings_generated.rs: $(src)/bindings/bindings_helper.h \ $(src)/bindgen_parameters FORCE $(call if_changed_dep,bindgen) +$(obj)/uapi/uapi_generated.rs: private bindgen_target_flags = \ + $(shell grep -v '^#\|^$$' $(srctree)/$(src)/bindgen_parameters) +$(obj)/uapi/uapi_generated.rs: $(src)/uapi/uapi_helper.h \ + $(src)/bindgen_parameters FORCE + $(call if_changed_dep,bindgen) + # See `CFLAGS_REMOVE_helpers.o` above. In addition, Clang on C does not warn # with `-Wmissing-declarations` (unlike GCC), so it is not strictly needed here # given it is `libclang`; but for consistency, future Clang changes and/or @@ -388,10 +401,15 @@ $(obj)/bindings.o: $(src)/bindings/lib.rs \ $(obj)/bindings/bindings_helpers_generated.rs FORCE $(call if_changed_dep,rustc_library) +$(obj)/uapi.o: $(src)/uapi/lib.rs \ + $(obj)/compiler_builtins.o \ + $(obj)/uapi/uapi_generated.rs FORCE + $(call if_changed_dep,rustc_library) + $(obj)/kernel.o: private rustc_target_flags = --extern alloc \ - --extern build_error --extern macros --extern bindings + --extern build_error --extern macros --extern bindings --extern uapi $(obj)/kernel.o: $(src)/kernel/lib.rs $(obj)/alloc.o $(obj)/build_error.o \ - $(obj)/libmacros.so $(obj)/bindings.o FORCE + $(obj)/libmacros.so $(obj)/bindings.o $(obj)/uapi.o FORCE $(call if_changed_dep,rustc_library) endif # CONFIG_RUST diff --git a/rust/kernel/lib.rs b/rust/kernel/lib.rs index ee27e10da479..dd3b0d69fdd1 100644 --- a/rust/kernel/lib.rs +++ b/rust/kernel/lib.rs @@ -50,6 +50,7 @@ pub mod types; #[doc(hidden)] pub use bindings; pub use macros; +pub use uapi; #[doc(hidden)] pub use build_error::build_error; diff --git a/rust/uapi/lib.rs b/rust/uapi/lib.rs new file mode 100644 index 000000000000..29f69f3a52de --- /dev/null +++ b/rust/uapi/lib.rs @@ -0,0 +1,27 @@ +// SPDX-License-Identifier: GPL-2.0 + +//! UAPI Bindings. +//! +//! Contains the bindings generated by `bindgen` for UAPI interfaces. +//! +//! This crate may be used directly by drivers that need to interact with +//! userspace APIs. + +#![no_std] +#![feature(core_ffi_c)] +// See <https://github.com/rust-lang/rust-bindgen/issues/1651>. +#![cfg_attr(test, allow(deref_nullptr))] +#![cfg_attr(test, allow(unaligned_references))] +#![cfg_attr(test, allow(unsafe_op_in_unsafe_fn))] +#![allow( + clippy::all, + missing_docs, + non_camel_case_types, + non_upper_case_globals, + non_snake_case, + improper_ctypes, + unreachable_pub, + unsafe_op_in_unsafe_fn +)] + +include!(concat!(env!("OBJTREE"), "/rust/uapi/uapi_generated.rs")); diff --git a/rust/uapi/uapi_helper.h b/rust/uapi/uapi_helper.h new file mode 100644 index 000000000000..301f5207f023 --- /dev/null +++ b/rust/uapi/uapi_helper.h @@ -0,0 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Header that contains the headers for which Rust UAPI bindings + * will be automatically generated by `bindgen`. + * + * Sorted alphabetically. + */ + +#include <uapi/asm-generic/ioctl.h> |