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// 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]
#![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
)]
#![feature(cfi_encoding)]
#[allow(dead_code)]
#[allow(clippy::as_underscore)]
#[allow(clippy::cast_lossless)]
#[allow(clippy::ptr_as_ptr)]
#[allow(clippy::ref_as_ptr)]
#[allow(clippy::undocumented_unsafe_blocks)]
#[cfg_attr(not(CONFIG_RUSTC_HAS_UNNECESSARY_TRANSMUTES), allow(unknown_lints))]
#[allow(unnecessary_transmutes)]
#[cfg_attr(
CONFIG_RUSTC_HAS_SUSPICIOUS_RUNTIME_SYMBOL_DEFINITIONS,
allow(suspicious_runtime_symbol_definitions)
)]
mod bindings_raw {
use pin_init::{MaybeZeroable, Zeroable};
// Manual definition for blocklisted types.
type __kernel_size_t = usize;
type __kernel_ssize_t = isize;
type __kernel_ptrdiff_t = isize;
// `bindgen` doesn't automatically do this, see
// <https://github.com/rust-lang/rust-bindgen/issues/3196>
//
// SAFETY: `__BindgenBitfieldUnit<Storage>` is a newtype around `Storage`.
unsafe impl<Storage> Zeroable for __BindgenBitfieldUnit<Storage> where Storage: Zeroable {}
// 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 compat_ptr_ioctl: Option<
unsafe extern "C" fn(*mut file, ffi::c_uint, ffi::c_ulong) -> ffi::c_long,
> = {
#[cfg(CONFIG_COMPAT)]
{
Some(bindings_raw::compat_ptr_ioctl)
}
#[cfg(not(CONFIG_COMPAT))]
{
None
}
};
// `bindgen` keeps the first definition of a macro and ignores a later `#undef`.
// The generated `HZ` is therefore `__USER_HZ` from
// `include/uapi/asm-generic/param.h`, not `CONFIG_HZ`.
pub const HZ: u32 = CONFIG_HZ;
// Explicitly list architectures where this logic is checked correct.
#[cfg(any(
CONFIG_ARM,
CONFIG_ARM64,
CONFIG_LOONGARCH,
CONFIG_PPC,
CONFIG_RISCV,
CONFIG_S390,
CONFIG_UML_X86,
CONFIG_X86,
))]
pub const __ARCH_SPIN_LOCK_UNLOCKED: arch_spinlock_t = {
// SAFETY: The `arch_spinlock_t` type can be zeroed.
#[allow(unused_mut)]
let mut lock: arch_spinlock_t = unsafe { core::mem::zeroed() };
#[cfg(not(CONFIG_SMP))]
#[cfg(CONFIG_DEBUG_SPINLOCK)]
{
lock.slock = 1;
}
lock
};
|
