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Wysocki" , Sami Tolvanen , Timur Tabi , Benno Lossin , Dirk Beheme Cc: linux-kernel@vger.kernel.org, rust-for-linux@vger.kernel.org, Matthew Maurer Content-Type: text/plain; charset="utf-8" (This will be separately sent to the list later.) Signed-off-by: Matthew Maurer --- rust/bindings/bindings_helper.h | 1 + rust/kernel/lib.rs | 1 + rust/kernel/rand.rs | 14 ++++++++++++++ 3 files changed, 16 insertions(+) diff --git a/rust/bindings/bindings_helper.h b/rust/bindings/bindings_helper.h index 140e2f4e60c0b745ac5d5c7456d60af28e21f55a..afe8be55a6db1d29706c19a91dc51c1ae3494ed4 100644 --- a/rust/bindings/bindings_helper.h +++ b/rust/bindings/bindings_helper.h @@ -67,6 +67,7 @@ #include #include #include +#include #include #include #include diff --git a/rust/kernel/lib.rs b/rust/kernel/lib.rs index 0461f25cb5aee797d25153a2004d63b6b41f4ae3..39a9088a8d63f0ae54a0101eaeb03b17f82e12e8 100644 --- a/rust/kernel/lib.rs +++ b/rust/kernel/lib.rs @@ -112,6 +112,7 @@ pub mod platform; pub mod prelude; pub mod print; +pub mod rand; pub mod rbtree; pub mod regulator; pub mod revocable; diff --git a/rust/kernel/rand.rs b/rust/kernel/rand.rs new file mode 100644 index 0000000000000000000000000000000000000000..b3fb30f40a8950ac7b47d48129eb89024a1cbd26 --- /dev/null +++ b/rust/kernel/rand.rs @@ -0,0 +1,14 @@ +// SPDX-License-Identifier: GPL-2.0 + +//! Randomness. +//! +//! C header: [`include/linux/random.h`](../../../../include/linux/random.h) + +use crate::bindings; +use crate::ffi::c_void; + +/// Adds the given buffer to the entropy pool. +pub fn add_device_randomness(buf: &[u8]) { + // SAFETY: We just need the pointer to be valid for the length, which a slice provides. + unsafe { bindings::add_device_randomness(buf.as_ptr().cast::(), buf.len()) }; +} -- 2.51.0.rc1.167.g924127e9c0-goog