Miguel Ojeda 8326ac05ee rust: add bindings crate ... This crate contains the bindings to the C side of the kernel. Calling C (in general, FFI) is assumed to be unsafe in Rust and, in many cases, this is accurate. For instance, virtually all C functions that take a pointer are unsafe since, typically, it will be dereferenced at some point (and in most cases there is no way for the callee to check its validity beforehand). Since one of the goals of using Rust in the kernel is precisely to avoid unsafe code in "leaf" kernel modules (e.g. drivers), these bindings should not be used directly by them. Instead, these bindings need to be wrapped into safe abstractions. These abstractions provide a safe API that kernel modules can use. In this way, unsafe code in kernel modules is minimized. Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Co-developed-by: Alex Gaynor <alex.gaynor@gmail.com> Signed-off-by: Alex Gaynor <alex.gaynor@gmail.com> Co-developed-by: Finn Behrens <me@kloenk.de> Signed-off-by: Finn Behrens <me@kloenk.de> Co-developed-by: Wedson Almeida Filho <wedsonaf@google.com> Signed-off-by: Wedson Almeida Filho <wedsonaf@google.com> Co-developed-by: Sven Van Asbroeck <thesven73@gmail.com> Signed-off-by: Sven Van Asbroeck <thesven73@gmail.com> Co-developed-by: Gary Guo <gary@garyguo.net> Signed-off-by: Gary Guo <gary@garyguo.net> Co-developed-by: Maciej Falkowski <m.falkowski@samsung.com> Signed-off-by: Maciej Falkowski <m.falkowski@samsung.com> Co-developed-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com> Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com> Co-developed-by: Björn Roy Baron <bjorn3_gh@protonmail.com> Signed-off-by: Björn Roy Baron <bjorn3_gh@protonmail.com> Signed-off-by: Miguel Ojeda <ojeda@kernel.org>		2022-09-28 08:58:00 +02:00
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bindings_helper.h
lib.rs