From nobody Sat Oct 4 16:16:41 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 9CB441862; Fri, 15 Aug 2025 07:31:41 +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=1755243101; cv=none; b=HZKaveQzXqvcXLi7ky/Rw+KagyfXYdMChG5HLvx/zFcyjOxTi11o+cR8XRKloy9ftInsQrucF1NbsqznslgziBe1IJmL1zVv/VZObnVWqxUWRXvw+JoNIj8qjEs5MXWArwc+fdqK5ulLSFvWQ3+KeBNnNblJxSc/hbKBHSHALVo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755243101; 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=A5E/lZCmE7lLcrgUNx4+OZ3SkDHCXMW9SMaETg0T0gTqs3CT+rIprJyXYB+0kq1KOlzafQDrj+n82Vu6gyu1rwK48EG4x5CvCk6FFMIVd4zBxPZy9fqRpAJHzgJ27rP91D5JTx/l3aoSsxH/gC8VtWOaAxduQl1M6ZPY4Jq3yWg= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=oQWJKGP6; 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="oQWJKGP6" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5EFDEC4CEEB; Fri, 15 Aug 2025 07:31:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1755243101; bh=pzI+PzwBdiJXG7Rnf/MUlf5BoxNaAVR/4KH77t5lHuM=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=oQWJKGP6gtCw1h1qH9RTOdClZX1YTDilo23ktLBDHUigtmARP4mX7tFmeptF0xHS6 unKZbkhn3Ey3Mfj9uSR+ssvoXd/7C5hvBLxhhXo04fliJ948lpaFjS1QJHZWocWeBo NxLdjQo7+NyVc934wLn2hJnGcBKSLSElwNk/QBe4c8CxPQgPSCsJl3IeIQB9uocwt6 yMGJCS+q7aGsmtvpsYvNIH9dq25oIDcs370kB95QNn+h15nxPC/SWtC512iFgTH+d2 Bd5JdcqWL2F9GRfvIW2mkT7986By3+PPD35F9+rTEYsC2765NINY/BAvI0U67xJSOe l3FD4eQbBEDAw== From: Andreas Hindborg Date: Fri, 15 Aug 2025 09:30:47 +0200 Subject: [PATCH v5 12/18] 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: <20250815-rnull-up-v6-16-v5-12-581453124c15@kernel.org> References: <20250815-rnull-up-v6-16-v5-0-581453124c15@kernel.org> In-Reply-To: <20250815-rnull-up-v6-16-v5-0-581453124c15@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/ZANAwAIAeG4Gj55KGN3AcsmYgBonuI+NR1bm5f6cjdHO68QuIpWUgAQN2aK+HG51 YYTG3A+YBWJAjMEAAEIAB0WIQQSwflHVr98KhXWwBLhuBo+eShjdwUCaJ7iPgAKCRDhuBo+eShj d51lEAC7gK4el8MDA3IF/dUMneYYCjOWN/qhhObe1yJ8CTdt16cTDagRa0ww86UJ6KXUvEUBG6J 9hvJopnLvcVT2uGNLJ8NH5Z15ntMirhKW+dflkmPZM+nRSDk79fvsrGMerrJoK8hcGybBnleenc A4jyFOvnq8MDqXAnRdxZ8c3vDplAALdhcBS0Vz0xcnkHxBOTXUyLR0K2jvXxKrqv9RQuKbtFc2l VEAe+NCN1+9RtsZ0cWwdGBpLokAUV1u0loXjQSZI+yRyiDnUHt1bg/lMV4p11uLGsdNRKbO+kwW usIGxdTCW8VtiNcHgFn3PkUqYWROGxE81iJCGD8IX+iV2zBmjDaOjtQ8U6VIMYaW5Bk/FqBVBzF cU1gyr4C49QGJkjmtfIwa+5DTwWR7LrifMIcUgJMBSc5ZUKWAwRevdjQZSemJ/29o2kOSwXkQXU NYCmKDMBsztu5EhK0VjtdS6RcovlBO1vJxmwaoCvrJYtcC+vyIh3naGzT39bHav6X9h8HpncIcR pBGmABThZD51BgwSNJdlYtTU8+jElIY7IFNXy/lfVOOBFV2i7mg95YdLxt7c6n5FELoSfWYo5C/ FVoKQWowg7yLS7fT0i36tYi6JsbolEjCrULiO/h3PuIqM7Gun+up5C6vEVoVBIuSjiia7Th5GL9 if1hvdqt/BzIA3A== 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. =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