mirror of
https://github.com/torvalds/linux
synced 2024-09-06 18:01:05 +00:00
9dc0436550
This is a basic implementation of `Arc` backed by C's `refcount_t`. It allows Rust code to idiomatically allocate memory that is ref-counted. Cc: Will Deacon <will@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Boqun Feng <boqun.feng@gmail.com> Cc: Mark Rutland <mark.rutland@arm.com> Signed-off-by: Wedson Almeida Filho <wedsonaf@gmail.com> Reviewed-by: Alice Ryhl <aliceryhl@google.com> Reviewed-by: Gary Guo <gary@garyguo.net> Reviewed-by: Vincenzo Palazzo <vincenzopalazzodev@gmail.com> Acked-by: Boqun Feng <boqun.feng@gmail.com> Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
55 lines
1.5 KiB
Rust
55 lines
1.5 KiB
Rust
// SPDX-License-Identifier: GPL-2.0
|
|
|
|
//! Bindings.
|
|
//!
|
|
//! Imports the generated bindings by `bindgen`.
|
|
//!
|
|
//! This crate may not be directly used. If you need a kernel C API that is
|
|
//! not ported or wrapped in the `kernel` crate, then do so first instead of
|
|
//! using this crate.
|
|
|
|
#![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
|
|
)]
|
|
|
|
mod bindings_raw {
|
|
// Use glob import here to expose all helpers.
|
|
// Symbols defined within the module will take precedence to the glob import.
|
|
pub use super::bindings_helper::*;
|
|
include!(concat!(
|
|
env!("OBJTREE"),
|
|
"/rust/bindings/bindings_generated.rs"
|
|
));
|
|
}
|
|
|
|
// When both a directly exposed symbol and a helper exists for the same function,
|
|
// the directly exposed symbol is preferred and the helper becomes dead code, so
|
|
// ignore the warning here.
|
|
#[allow(dead_code)]
|
|
mod bindings_helper {
|
|
// Import the generated bindings for types.
|
|
use super::bindings_raw::*;
|
|
include!(concat!(
|
|
env!("OBJTREE"),
|
|
"/rust/bindings/bindings_helpers_generated.rs"
|
|
));
|
|
}
|
|
|
|
pub use bindings_raw::*;
|
|
|
|
pub const GFP_KERNEL: gfp_t = BINDINGS_GFP_KERNEL;
|
|
pub const __GFP_ZERO: gfp_t = BINDINGS___GFP_ZERO;
|