From nobody Fri Oct 3 11:14:49 2025 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BF5F32ED873; Tue, 2 Sep 2025 09:55:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756806949; cv=none; b=dO29aiE6vtl39Gaqyxn/wssbRwQPhPO27TSqMydMw4hT6GzPmisSc+cuoqF0eYsJveW+DtUyap3ISc60A8hESPkAy1cqLT0EwOL2c1fuH9x1mrmX+ZbcTPdQjECZvxJsJatFWKpLXdkMNImH/ssC2FTAdjbPZrvDqfq119cYAtE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756806949; c=relaxed/simple; bh=5CeGT7OlLAwJ+n1eYK2YzNXyyrj/zX7cdxpv5cnx/wQ=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=rLNCLQ98IKiHByi246mzA4Cpfqxmm3abm6D3jgMs2pvsalfL4sBISDn9uRC8zjDgmzJ7T2pcCpFuxKIs9RLMzX6Gy+2iKFv342GMouq94MIsq7nww+iv7qW5Q9UkLJRlruLvJgTQZTGJxncS6jmO0dyxciuX6m4Kr6uXK08FcOw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=NGkFaXtD; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="NGkFaXtD" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 29F2FC4CEF7; Tue, 2 Sep 2025 09:55:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1756806947; bh=5CeGT7OlLAwJ+n1eYK2YzNXyyrj/zX7cdxpv5cnx/wQ=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=NGkFaXtDYROSoorv26I+Obr4udAKVmi2ap0zcj2jL0QcFzK79pxqlQmB/B8EGe3Oo /klizut9Em/TL+wJJbpURr4c2y8UdHbbCa8qYR8tZ7sPn12INPPVR7yFfrLGUUWO2d +cBEM0NxirQQK8PV9l7Dg38XSg872ik3IucF2BWBjgm1qrZ1uiDrySNpokh7x4FESu R+ih/wG/HGvUGWrs6pItSenoVF4VUc9fAZ03wm0UflCqHgz0KjdhiHiMUWbywKZ3Ct 7oPWNtzomt4Qx+P/g2HqPLaVjEhz13VLtbhHYNic0yGQWdg66HYZ2+gSxutLqVamtU jVP4jOAFkveHQ== From: Andreas Hindborg Date: Tue, 02 Sep 2025 11:55:05 +0200 Subject: [PATCH v7 11/17] rust: block: add block related constants Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250902-rnull-up-v6-16-v7-11-b5212cc89b98@kernel.org> References: <20250902-rnull-up-v6-16-v7-0-b5212cc89b98@kernel.org> In-Reply-To: <20250902-rnull-up-v6-16-v7-0-b5212cc89b98@kernel.org> To: Boqun Feng , Miguel Ojeda , Alex Gaynor , Gary Guo , =?utf-8?q?Bj=C3=B6rn_Roy_Baron?= , Benno Lossin , Alice Ryhl , Trevor Gross , Danilo Krummrich , Jens Axboe , Breno Leitao Cc: linux-block@vger.kernel.org, rust-for-linux@vger.kernel.org, linux-kernel@vger.kernel.org, Andreas Hindborg , Daniel Almeida X-Mailer: b4 0.15-dev X-Developer-Signature: v=1; a=openpgp-sha256; l=1110; i=a.hindborg@kernel.org; h=from:subject:message-id; bh=5CeGT7OlLAwJ+n1eYK2YzNXyyrj/zX7cdxpv5cnx/wQ=; b=owEBbQKS/ZANAwAIAeG4Gj55KGN3AcsmYgBotr8DpXUlLvBi5GBvjmorCapQWZ7gRCkj5msQP d1SM7HF+R2JAjMEAAEIAB0WIQQSwflHVr98KhXWwBLhuBo+eShjdwUCaLa/AwAKCRDhuBo+eShj d1ghEAChXQKR8qxW7URDo2QAuBfIybQwxVb14/7oblaHobyj4KVlMk7uSkdN8tDSTXR/ciNbYdy S0jS2socVsGdgBNfOtfCzaszz0v7UVWKNcnSPE5WwYat5tu35MWqq44HNrnMyyHuxzxVgjcVJct lyOoBoRblOHRxB7Jppjf+z8Nr2SKYzaK3uIyB0Mfdv8tb+KCYlAuZpR44pD606k6XLZMGvDZ36x zojOqoAuOBx1Oja95XymouwVFpVOm5nGozB3oB5JpxHBUmBA794W/jDQin+2bIkh5NBpb/RUlWs C+knMHYJRdqGMfqKytmoWFselxDpo7aL8T0TgbHTZgK6BNQmmMLD/udhTFeUUdSiGWU3Yyc+CfH 2wC0woMAPDUhykFHZqZMY0NTXUbnDr4Rv1bfCax3nYrb1b8uhJZaIGwGxL7FhXYIuDSe4LyF25n EiQqDkAy+rS7lhm8fS43xcTWSpjdxF4wfgdA7XjIzgUhAWNjx0nm4IUAUZfzCyUAHegJern/UC2 N4dtm3OvLG/Jz/08paLouGomJXDM0DEg7pqRb41914m0HfN8QTDkNy7/u1sBCpi4z3qpU5eweiL jPFcHJPjBQOXG/tMHbmijpV3SHk7G+ljolcRZrfgYdVqLXdc+tSIU3gPSPhrvCETz3+UgofKEnT JgLWOFoxsmov6uA== X-Developer-Key: i=a.hindborg@kernel.org; a=openpgp; fpr=3108C10F46872E248D1FB221376EB100563EF7A7 Add a few block subsystem constants to the rust `kernel::block` name space. This makes it easier to access the constants from rust code. Reviewed-by: Alice Ryhl Reviewed-by: Daniel Almeida Signed-off-by: Andreas Hindborg --- rust/kernel/block.rs | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/rust/kernel/block.rs b/rust/kernel/block.rs index 150f710efe5b..32c8d865afb6 100644 --- a/rust/kernel/block.rs +++ b/rust/kernel/block.rs @@ -3,3 +3,16 @@ //! Types for working with the block layer. =20 pub mod mq; + +/// Bit mask for masking out [`SECTOR_SIZE`]. +pub const SECTOR_MASK: u32 =3D bindings::SECTOR_MASK; + +/// Sectors are size `1 << SECTOR_SHIFT`. +pub const SECTOR_SHIFT: u32 =3D bindings::SECTOR_SHIFT; + +/// Size of a sector. +pub const SECTOR_SIZE: u32 =3D bindings::SECTOR_SIZE; + +/// The difference between the size of a page and the size of a sector, +/// expressed as a power of two. +pub const PAGE_SECTORS_SHIFT: u32 =3D bindings::PAGE_SECTORS_SHIFT; --=20 2.47.2