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 88C332FB602; Fri, 22 Aug 2025 12:16:01 +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=1755864961; cv=none; b=KweuvthBxUnOepmYyouTqrUtkQARnTqC6K9JL4VbAUCrLJTgPlbyGiSqUAl6AI7R9pX9AjOtS4H4Ldl6ovC/g2Wl6CeBigj4/BcBWZ6Fo0HLW6HslgP9aiq9Ngs5bZ5tqLeLArUvgPRukickaVUlDUxn2exSzDhcMEF8G07In3s= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755864961; c=relaxed/simple; bh=pzI+PzwBdiJXG7Rnf/MUlf5BoxNaAVR/4KH77t5lHuM=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=F2K2tOq0JKl7BiqHkIeiw51r1T8Ajkh70YJD/H1vJHvau/jKazLAQkeBqU3kczVeXEU76ay2HBwZ0MsMzjZhkBP03B26vkfkWCv5a4LpVLo4N+aSXj4UJKXyaneSbMlN5O5n66gSHAX0k9Iigqmb9Ffohr37IkE2jaJXGtPZz5w= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=eugPQauq; 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="eugPQauq" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 35A04C4CEED; Fri, 22 Aug 2025 12:15:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1755864961; bh=pzI+PzwBdiJXG7Rnf/MUlf5BoxNaAVR/4KH77t5lHuM=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=eugPQauqg9s+DD4CckkQbzlLP6GQoWAYapYakDQwI813GtNJNLD6+HbFC8OvY6G4k whaZnS3bhuC0qC4OBeEHezW6Z1vsvseL3yf21h/GvkukmlcJhZi5i+r33XElg8R6w5 STChSaAiywon/8S883fKnxUSUB+knJwSZlRgCfRnfulOWsF9ekZ4Mii/vMUNYtTrcw cM+N+DbuqxOBrJc0nWsmKhNK+GhXPGZQbBffe5YA78vkKmT2w4TfF8uEpwrJtiDcF+ 3FFBbkWSZGrb/2NmL9xeAXJ+4Z1twB2fSyMslO3BdStXmqK0ARFsi6vQUN0VzhEtm0 Tmv8W9i3KTIbA== From: Andreas Hindborg Date: Fri, 22 Aug 2025 14:14:48 +0200 Subject: [PATCH v6 12/18] rust: block: add block related constants Precedence: bulk X-Mailing-List: linux-block@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: <20250822-rnull-up-v6-16-v6-12-ec65006e2f07@kernel.org> References: <20250822-rnull-up-v6-16-v6-0-ec65006e2f07@kernel.org> In-Reply-To: <20250822-rnull-up-v6-16-v6-0-ec65006e2f07@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 X-Mailer: b4 0.15-dev X-Developer-Signature: v=1; a=openpgp-sha256; l=1050; i=a.hindborg@kernel.org; h=from:subject:message-id; bh=pzI+PzwBdiJXG7Rnf/MUlf5BoxNaAVR/4KH77t5lHuM=; b=owEBbQKS/ZANAwAIAeG4Gj55KGN3AcsmYgBoqF88vYZZFUYtq6sIQRW6685mmouPx6UDAXTUz URQ6DhtdBaJAjMEAAEIAB0WIQQSwflHVr98KhXWwBLhuBo+eShjdwUCaKhfPAAKCRDhuBo+eShj d7M+EADFxD2piNMvveM7zDctM76JNI59SOxhxT6ZlWjPWmPWx5CCZTUK/rCIQ0kAm2TgGGM2rma cDpyV9InTXTn3TTIltEvKKTDk6Y3JeRARm1hfw961YFsZSFlqBJwoMbk/MFvkpFk+jvs3Yg+TBa MdoFL/4dh/7h6R1qRYD2Cfqn4v7CozNWUeQyhwUSg/hWJ/ioPnAn3VPonhFiVySWOt1zeYSi0/m wIf/fBzfqQll9OXmgVaiz/W+VGYKW+cYvt+OM6p7UWsfaCDZ4nkxygRvQSnBaySkfx2ZRIxR85c dw4fKYHjojxzYii4CP8soLiZrT5kpzntUn8ZMYE1yLCl3Sn3IvQOstQwTu9H9uKwj+7VjCwEcz+ ead+sErcQMb7r9PpD1ZPZ0lYb6zXfDOCevOnBYMJ3TtolipM4DaqvgLyKpd/vsWhgLsEXIqBoeP 89hHIG3j+Oez4ykDwcl2AchPA2SDbhE8YWv47adWvZtGgQrm4thwAjJRqhpG4nv0zqm+K0ef9r/ nJIf3+rf9WChUCsIXT4/FNO/P6SvT+DxhxnYtrCyQJTZU/2aKq1ZrkbWoU8/cP7jlYfJGcgQL7H QzeNx8rOEJGzh6Yrwyy0QqtO/oxTRXJuFh1TI4RACJPoVe08wPuliPxBEmInMOpOm9oKNkCcz+H f8QKbiuohVn2LyQ== 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 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