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 3462A19F124 for ; Sat, 9 Nov 2024 20:30:38 +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=1731184238; cv=none; b=iQx4oxdbXrDfxoerG1FBGEc0x5brPgLQjUiljDL9Tj73Y8jWd5ynQYLVkdY1MTDTbjUwiR6C0gUt0OArAnU6paAiO1MTJ4SKnall0NyghBgP8qSOrNymwXQ2FlS3Bn3AqTNh32kFSypShIeduZG20Ks176m9GUhlGjh4Zm4oksk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731184238; c=relaxed/simple; bh=JXTjVbXoIlcAg09YXryvPU+DD2uKtRHxopln9DY/IDo=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=BT5zhCeruYbLoSuS1o5sS3cktJDD52cNAkC5CnFOyHJ5B1YcEC93LKkaftWsDodzM60bM93ePc9fZYKNAuXBWhHiRMNeiKyNN96epwrRf8iLISFj79+Htc/viNzm9B1Rs5nyv4XLCi8SX6f8cpWfAhSI/pDQrZWn0x+GN5n6m88= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=A2trsFrX; 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="A2trsFrX" Received: by smtp.kernel.org (Postfix) with ESMTPS id CDFC9C4CED4; Sat, 9 Nov 2024 20:30:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1731184237; bh=JXTjVbXoIlcAg09YXryvPU+DD2uKtRHxopln9DY/IDo=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=A2trsFrXlDh9/K13ud06LLHYnQbwO4o6eHrUqmZMarUD/hiddRZYFYAR0MZrZYV7I +6sXZZQgmwWhERs/CGN9+IAXoOYeLamaK594vWxFK5lMvXFRF20fpEuC/vPtHdQcwr JQw+IZ5JniY6Me2cjd5JMSuIYHuB6rEy+NUWrPVkrb6rR52+zpPPK7R8nKR9g0gzcu /g0StQdW4Z78E7sd+OKQIIuEkHBubi2TQDNXWCozRvAAYUt4pOhpvBvMDcoT8ixF3s 4SZms/9fNpsneNnx/ycjIcI8v82CPcwfuNK/v7uk0JIIgYrOnZ/AqfFSz5mQKAY2Uq BW6jQ3cazvaPA== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id B1C4BD5E380; Sat, 9 Nov 2024 20:30:37 +0000 (UTC) From: Jens Korinth via B4 Relay Date: Sat, 09 Nov 2024 21:30:08 +0100 Subject: [PATCH v3 2/3] rust: print: Add pr_*_once macros 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: <20241109-pr_once_macros-v3-2-6beb24e0cac8@tuta.io> References: <20241109-pr_once_macros-v3-0-6beb24e0cac8@tuta.io> In-Reply-To: <20241109-pr_once_macros-v3-0-6beb24e0cac8@tuta.io> To: Miguel Ojeda , Alex Gaynor , Boqun Feng , Gary Guo , =?utf-8?q?Bj=C3=B6rn_Roy_Baron?= , Benno Lossin , Andreas Hindborg , Alice Ryhl , Trevor Gross Cc: rust-for-linux@vger.kernel.org, FUJITA Tomonori , Dirk Behme , Jens Korinth X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1731184236; l=3692; i=jens.korinth@tuta.io; s=20241107; h=from:subject:message-id; bh=OtTNBoLMR8tEZCYVorV6FLpQhsyJ/UjGZp+w8Qly40s=; b=JxqISbT5ZYSKgI9N2txVGBeRJabzM+p419f9C2IsCSVrYn+gviS4f39Rmsu/1WY4ewG1DhxUX djm7AVGqiH8DGmFS/B7zLvJpJag8c+nS+QTPUtOGCQFyghSY6mRWXGx X-Developer-Key: i=jens.korinth@tuta.io; a=ed25519; pk=bG0q4Zyj3o4d/r326zKL7ym+/tXzyykcjh+U0M13iyc= X-Endpoint-Received: by B4 Relay for jens.korinth@tuta.io/20241107 with auth_id=270 X-Original-From: Jens Korinth Reply-To: jens.korinth@tuta.io From: FUJITA Tomonori Add Rust version of pr_[emerg|alert|crit|err|warn|notic|info]_once functions, which print a message only once. Signed-off-by: FUJITA Tomonori Signed-off-by: Jens Korinth --- rust/kernel/print.rs | 126 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 126 insertions(+) diff --git a/rust/kernel/print.rs b/rust/kernel/print.rs index 9c7434b221984ad325138e5dc90ab4340cd0be2e..26542100be1ca843a0f916bd41260e20ec1f1b0e 100644 --- a/rust/kernel/print.rs +++ b/rust/kernel/print.rs @@ -448,3 +448,129 @@ macro_rules! do_once_lite ( } ); ); + +/// Prints an emergency-level message (level 0) only once. +/// +/// Equivalent to the kernel's [`pr_emerg_once`] macro. +/// +/// [`pr_emerg_once`]: srctree/include/linux/printk.h +/// +/// # Examples +/// +/// ``` +/// kernel::pr_emerg_once!("hello {}\n", "there"); +/// ``` +#[macro_export] +macro_rules! pr_emerg_once ( + ($($arg:tt)*) => ( + $crate::do_once_lite!($crate::pr_emerg!($($arg)*)) + ) +); + +/// Prints an alert-level message (level 1) only once. +/// +/// Equivalent to the kernel's [`pr_alert_once`] macro. +/// +/// [`pr_alert_once`]: srctree/include/linux/printk.h +/// +/// # Examples +/// +/// ``` +/// kernel::pr_alert_once!("hello {}\n", "there"); +/// ``` +#[macro_export] +macro_rules! pr_alert_once ( + ($($arg:tt)*) => ( + $crate::do_once_lite!($crate::pr_alert!($($arg)*)) + ) +); + +/// Prints a critical-level message (level 2) only once. +/// +/// Equivalent to the kernel's [`pr_crit_once`] macro. +/// +/// [`pr_crit_once`]: srctree/include/linux/printk.h +/// +/// # Examples +/// +/// ``` +/// kernel::pr_crit_once!("hello {}\n", "there"); +/// ``` +#[macro_export] +macro_rules! pr_crit_once ( + ($($arg:tt)*) => ( + $crate::do_once_lite!($crate::pr_crit!($($arg)*)) + ) +); + +/// Prints an error-level message (level 3) only once. +/// +/// Equivalent to the kernel's [`pr_err_once`] macro. +/// +/// # Examples +/// +/// [`pr_err_once`]: srctree/include/linux/printk.h +/// +/// ``` +/// kernel::pr_err_once!("hello {}\n", "there"); +/// ``` +#[macro_export] +macro_rules! pr_err_once ( + ($($arg:tt)*) => ( + $crate::do_once_lite!($crate::pr_err!($($arg)*)) + ) +); + +/// Prints a warning-level message (level 4) only once. +/// +/// Equivalent to the kernel's [`pr_warn_once`] macro. +/// +/// [`pr_warn_once`]: srctree/include/linux/printk.h +/// +/// # Examples +/// +/// ``` +/// kernel::pr_warn_once!("hello {}\n", "there"); +/// ``` +#[macro_export] +macro_rules! pr_warn_once ( + ($($arg:tt)*) => ( + $crate::do_once_lite!($crate::pr_warn!($($arg)*)) + ) +); + +/// Prints a notice-level message (level 5) only once. +/// +/// Equivalent to the kernel's [`pr_notice_once`] macro. +/// +/// [`pr_notice_once`]: srctree/include/linux/printk.h +/// +/// # Examples +/// +/// ``` +/// kernel::pr_notice_once!("hello {}\n", "there"); +/// ``` +#[macro_export] +macro_rules! pr_notice_once ( + ($($arg:tt)*) => ( + $crate::do_once_lite!($crate::pr_notice!($($arg)*)) + ) +); + +/// Prints an info-level message (level 6) only once. +/// +/// Equivalent to the kernel's [`pr_info_once`] macro. +/// +/// [`pr_info_once`]: srctree/include/linux/printk.h +/// +/// # Examples +/// +/// ``` +/// kernel::pr_info_once!("hello {}\n", "there"); +/// ``` +#[macro_export] +macro_rules! pr_info_once ( + ($($arg:tt)*) => ( + $crate::do_once_lite!($crate::pr_info!($($arg)*)) + ) +); -- 2.44.1