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From: Burak Emir To: Yury Norov Cc: Burak Emir , Rasmus Villemoes , Viresh Kumar , Miguel Ojeda , Alex Gaynor , Boqun Feng , Gary Guo , Bjorn Roy Baron , Benno Lossin , Andreas Hindborg , Alice Ryhl , Trevor Gross , rust-for-linux@vger.kernel.org, linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Adds helpers for bitmap.c and bitops.c to get Rust bindings for inline methods __set_bit and __clear_bit (these are non-atomic variants) as well as bitmap_copy_and_extend. These are needed for providing a basic Rust Bitmap API. Update MAINTAINERS. Suggested-by: Alice Ryhl Signed-off-by: Burak Emir --- MAINTAINERS | 11 +++++++++++ rust/bindings/bindings_helper.h | 1 + rust/helpers/bitmap.c | 9 +++++++++ rust/helpers/bitops.c | 13 +++++++++++++ rust/helpers/helpers.c | 2 ++ 5 files changed, 36 insertions(+) create mode 100644 rust/helpers/bitmap.c create mode 100644 rust/helpers/bitops.c diff --git a/MAINTAINERS b/MAINTAINERS index c43d66bd85f3..50f44d7e5c6e 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -4029,6 +4029,12 @@ F: tools/include/vdso/bits.h F: tools/lib/bitmap.c F: tools/lib/find_bit.c =20 +BITMAP API BINDINGS [RUST] +M: Yury Norov +S: Maintained +F: rust/helpers/bitmap.c +F: rust/helpers/cpumask.c + BITMAP API [RUST] M: Viresh Kumar (cpumask) R: Yury Norov @@ -4049,6 +4055,11 @@ F: include/linux/bitops.h F: lib/test_bitops.c F: tools/*/bitops* =20 +BITOPS API BINDINGS [RUST] +M: Yury Norov +S: Maintained +F: rust/helpers/bitops.c + BLINKM RGB LED DRIVER M: Jan-Simon Moeller S: Maintained diff --git a/rust/bindings/bindings_helper.h b/rust/bindings/bindings_helpe= r.h index 55354e4dec14..6bd4396b9cd3 100644 --- a/rust/bindings/bindings_helper.h +++ b/rust/bindings/bindings_helper.h @@ -7,6 +7,7 @@ */ =20 #include +#include #include #include #include diff --git a/rust/helpers/bitmap.c b/rust/helpers/bitmap.c new file mode 100644 index 000000000000..a50e2f082e47 --- /dev/null +++ b/rust/helpers/bitmap.c @@ -0,0 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 + +#include + +void rust_helper_bitmap_copy_and_extend(unsigned long *to, const unsigned = long *from, + unsigned int count, unsigned int size) +{ + bitmap_copy_and_extend(to, from, count, size); +} diff --git a/rust/helpers/bitops.c b/rust/helpers/bitops.c new file mode 100644 index 000000000000..0ea1611b95dc --- /dev/null +++ b/rust/helpers/bitops.c @@ -0,0 +1,13 @@ +// SPDX-License-Identifier: GPL-2.0 + +#include + +void rust_helper___set_bit(unsigned int nr, unsigned long *addr) +{ + __set_bit(nr, addr); +} + +void rust_helper___clear_bit(unsigned int nr, unsigned long *addr) +{ + __clear_bit(nr, addr); +} diff --git a/rust/helpers/helpers.c b/rust/helpers/helpers.c index 0640b7e115be..74e5e10694a4 100644 --- a/rust/helpers/helpers.c +++ b/rust/helpers/helpers.c @@ -7,6 +7,8 @@ * Sorted alphabetically. */ =20 +#include "bitmap.c" +#include "bitops.c" #include "blk.c" #include "bug.c" #include "build_assert.c" --=20 2.49.0.rc1.451.g8f38331e32-goog