xref: /openbmc/linux/rust/bindings/lib.rs (revision c4c3c32d)
1 // SPDX-License-Identifier: GPL-2.0
2 
3 //! Bindings.
4 //!
5 //! Imports the generated bindings by `bindgen`.
6 //!
7 //! This crate may not be directly used. If you need a kernel C API that is
8 //! not ported or wrapped in the `kernel` crate, then do so first instead of
9 //! using this crate.
10 
11 #![no_std]
12 // See <https://github.com/rust-lang/rust-bindgen/issues/1651>.
13 #![cfg_attr(test, allow(deref_nullptr))]
14 #![cfg_attr(test, allow(unaligned_references))]
15 #![cfg_attr(test, allow(unsafe_op_in_unsafe_fn))]
16 #![allow(
17     clippy::all,
18     missing_docs,
19     non_camel_case_types,
20     non_upper_case_globals,
21     non_snake_case,
22     improper_ctypes,
23     unreachable_pub,
24     unsafe_op_in_unsafe_fn
25 )]
26 
27 mod bindings_raw {
28     // Use glob import here to expose all helpers.
29     // Symbols defined within the module will take precedence to the glob import.
30     pub use super::bindings_helper::*;
31     include!(concat!(
32         env!("OBJTREE"),
33         "/rust/bindings/bindings_generated.rs"
34     ));
35 }
36 
37 // When both a directly exposed symbol and a helper exists for the same function,
38 // the directly exposed symbol is preferred and the helper becomes dead code, so
39 // ignore the warning here.
40 #[allow(dead_code)]
41 mod bindings_helper {
42     // Import the generated bindings for types.
43     use super::bindings_raw::*;
44     include!(concat!(
45         env!("OBJTREE"),
46         "/rust/bindings/bindings_helpers_generated.rs"
47     ));
48 }
49 
50 pub use bindings_raw::*;
51 
52 pub const GFP_KERNEL: gfp_t = BINDINGS_GFP_KERNEL;
53 pub const __GFP_ZERO: gfp_t = BINDINGS___GFP_ZERO;
54