From mboxrd@z Thu Jan 1 00:00:00 1970 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 CFA272EA159; Tue, 12 Aug 2025 08:46:30 +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=1754988390; cv=none; b=qmNBgJl08t2SsRgUUoIeCbv8Ned56it29HH5AUA+merRp7tFLjBEESpmNZQWetrHhSaz2zm/1KsPdL+5fzq4nswDKqddpQ/5dWuYUsKmF+7iQxoAn58VAujNb23ICAnqEY9TMmFYFHHT88hfaqxS2JFppdROMXON0/WB1ckw3QA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754988390; c=relaxed/simple; bh=dNkL1AXVwuljdfihZmuwo7IT4fyYZ7hZ0xzOqsCodNw=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=h44NeslVWFuEYGG1+z4z5c4tJIEj3gHuPGXfJtOlzf9/gzwsQzQB5VINoWRbvpd/cJdR6jMEfPg6i9Ly7QQK0KX99SoLzIT+0OIZQMfLBJUZi0JjAhVEP4nosBfnbG76r1ke5s41iXOxQLYY8uciarYSX4St4LMJslroBbqKneM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=ej1iRFju; 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="ej1iRFju" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4D039C4CEF0; Tue, 12 Aug 2025 08:46:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1754988390; bh=dNkL1AXVwuljdfihZmuwo7IT4fyYZ7hZ0xzOqsCodNw=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=ej1iRFjuusjXG1jfGwSNW/I+toJIZc53wAFDC2Xx1g+YKF4wObQOsPkO9OXH7My+u CaXpNpxy8+DVLbDtK/+8Xp6dTx7BJ6Dvtb8lZFvb7L2tRRUdx002RtCaGU+EA0mMoB GJ8w/SE3ln49+MlbDJq5rz33ldpKbqrKQDnnq8g+NcnfvlKv2VqnqVdYg6nesdv0IR E6MEmOGW7kCHlXyrAyWF5JhXCbc6lEiN5I0cB3ckeC0Z6DQBBO8EdSl54INCBmmrOD 7kVBLI4HNXEq6CfbGi32M9W/gXEJxKih9oR5u/Q88I8I/3KzcuIa/bEMU3nFSh6vSb Q9H42K6GRijQw== From: Andreas Hindborg Date: Tue, 12 Aug 2025 10:44:27 +0200 Subject: [PATCH v4 09/15] rust: block: add block related constants Precedence: bulk X-Mailing-List: rust-for-linux@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20250812-rnull-up-v6-16-v4-9-ed801dd3ba5c@kernel.org> References: <20250812-rnull-up-v6-16-v4-0-ed801dd3ba5c@kernel.org> In-Reply-To: <20250812-rnull-up-v6-16-v4-0-ed801dd3ba5c@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 Cc: linux-block@vger.kernel.org, rust-for-linux@vger.kernel.org, linux-kernel@vger.kernel.org, Andreas Hindborg X-Mailer: b4 0.15-dev X-Developer-Signature: v=1; a=openpgp-sha256; l=1002; i=a.hindborg@kernel.org; h=from:subject:message-id; bh=dNkL1AXVwuljdfihZmuwo7IT4fyYZ7hZ0xzOqsCodNw=; b=owEBbQKS/ZANAwAIAeG4Gj55KGN3AcsmYgBomv8jjBkVYLCEE3H1oiwNjZEP6Wcm1NqusNCgt mt451E3+aWJAjMEAAEIAB0WIQQSwflHVr98KhXWwBLhuBo+eShjdwUCaJr/IwAKCRDhuBo+eShj d22LEADHinWAGFXhRHNPUgtQHg5EnNSr5zZQd/Of85wEJ021ljCE3ldcEFIx0JtLKFrY8qXmDrE JJkpBWTQdg1tujK8HK35fVqBFJIK0JU0h14r1t9T9b3kNBTNFMOYtsoWNV6HuJcghog8OjGNv2/ 6VgWSzv1wGHSrH/GwJ0HmgFc/xNQnUBJGSzFwOUk5Xh4EcMUElFG/EC/0ycFiJg0BO7wpag/GJW XgcPIC7Qy9QnWe0CMVgtVBSkL7slMl+XkD1MdoWomKQW/uga4NPpuNmLcL2L58Ct1b/i2ItPhIl 4DGcE0AU1o1cxsTiU71cheDrAVw/hcCiMYcH0MsoQoBzBdGmXxqdpPd3kmpLcX2qRRLR9OveMeU gKkiMRCbDJ34LgjfHO7+niTh032f1O+E8I+nZllaWmXJmWhnKDlLUNZ5NDrHLgnI+lkMJJtf8mN JbB7Vakg36EV47/z9T0ZmmdLny70e0UDiErxsD3IUdIQhaDrQbdAXeXl4VX1fT+sGr6nmyQWeci DpryroIHBeojSaDimO6dgv0CAQXvSViXqovQ5bm7Pi10ZpvvK2nP5cGzyEF/yoZeHZuSVlwCNos wsQ8SHwOGoA3FhctkgqXwwjkGaTrxKI2EJpYYQguAFa2M0mRDsvmVPPr5JCITdFHyQOfXbDGj00 xYb6bwYhn8i3Zqw== 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. 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. pub mod mq; + +/// Bit mask for masking out [`SECTOR_SIZE`]. +pub const SECTOR_MASK: u32 = bindings::SECTOR_MASK; + +/// Sectors are size `1 << SECTOR_SHIFT`. +pub const SECTOR_SHIFT: u32 = bindings::SECTOR_SHIFT; + +/// Size of a sector. +pub const SECTOR_SIZE: u32 = 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 = bindings::PAGE_SECTORS_SHIFT; -- 2.47.2