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 EA4322248A5; Fri, 10 Jan 2025 20:18:12 +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=1736540293; cv=none; b=hdyVLnehPzGu2dFWTkNpR1wDlK7JLmEsVeMqFcI5fL6xNrnTgi6NyfysNMJCnpyE2ojcrXo4nfE0NhxGTdoPig1ssXUV7rqEofknkxMUz97iLoy4yzs+cDCoamqrn5iTsFbkOBN+dS2DJYAaSJu7ysgW39JcPVPvFVUiqwGPlSk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736540293; c=relaxed/simple; bh=/ybNIO+z0YMt7NQe0O7P3cxsv0vraqHKkL76VnTITTw=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=a8B4W6siHlEKOe3fdK2ODxKRMKNG0B/4/709lEq4ujE+AUqyrVbr0ovq9JxX8XWzZkHUvP3SEjnJCrFJBSRJd+WQ8In75bbls/fgPRYccAqSypJmsZ2z15owXBYhxR4MPbM7nJVeJx3pRElLGcb8+xrah9b60y0ElGTOcnephLg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=BSohGVOO; 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="BSohGVOO" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9204EC4CED6; Fri, 10 Jan 2025 20:18:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1736540292; bh=/ybNIO+z0YMt7NQe0O7P3cxsv0vraqHKkL76VnTITTw=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=BSohGVOO1IlFdBgoSdYbGJVGszHzfgQ4TwmIBGcHmaTnawezclRTuATOErXyRvBKs k2/U1ys/o9Ko9i1VfiJVVQQ7WFQZ/zJyNZ+uSdpoBYQLdTWw5EGFJ6lVqQsvmPJl4Y 5B0CV2ykwFzF33Ls9MBMt5h0opoVJhB2v2FnVEr4AACvTAWgDG8gGEJzKfSNe/HfHN 2mcNFwY0WOcJJdkoYWvZwjKIUx5a/DIfRnOZhE3phfedx4BGSF/JyEceh/PvlRLy3n 7J5dKuAwVEoPaNsKu2tqOiZS3eGz1/FfCXqIS86QRrL03ICy8htD3jj47T8eKVF/1D /TLRMcCDTW/uw== From: Andreas Hindborg Date: Fri, 10 Jan 2025 21:15:24 +0100 Subject: [PATCH v6 01/14] rust: time: Add Ktime::from_ns() 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: <20250110-hrtimer-v3-v6-12-rc2-v6-1-f71d50f16482@kernel.org> References: <20250110-hrtimer-v3-v6-12-rc2-v6-0-f71d50f16482@kernel.org> In-Reply-To: <20250110-hrtimer-v3-v6-12-rc2-v6-0-f71d50f16482@kernel.org> To: Miguel Ojeda , Anna-Maria Behnsen , Frederic Weisbecker , Thomas Gleixner , Danilo Krummrich Cc: Alex Gaynor , Boqun Feng , Gary Guo , =?utf-8?q?Bj=C3=B6rn_Roy_Baron?= , Benno Lossin , Alice Ryhl , Trevor Gross , Lyude Paul , Guangbo Cui <2407018371@qq.com>, Dirk Behme , Daniel Almeida , 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=1377; i=a.hindborg@kernel.org; h=from:subject:message-id; bh=zvxjVReWexH5OF8VhuSFOtSXv8mRCanz1tBYjzejoHo=; b=owEBbQKS/ZANAwAIAeG4Gj55KGN3AcsmYgBngX/g4zdQ52qSi4nEXeCOuczc7KAu72uF3omkJ xmJ7goW0KGJAjMEAAEIAB0WIQQSwflHVr98KhXWwBLhuBo+eShjdwUCZ4F/4AAKCRDhuBo+eShj dyoXEACvJ/3bmgDymZarAfdrNrlCA1Zoz9YbojSS2MYrJ9wTxn77y0dVeGTwZWv0VY13bO4K8gL 3ZELSmmvhoQDyAIUVD1XkZAhHJDROh6OEMeGs924SWBN8u2Tgha58ZO2wxKTCKXboyeszSiE6ho 2u94Lh3buUGK2WfdSQ4AXQVvxOs5CNDhcl2xptUnPl/NNi8+7iN8r5JQa3+DCRp9sBxk+s0tzPc F5jE25IexTDA6WFbhJ+s9bnz/CpkvMr+R4dvHNP93D9reIhYbQlMLcBgroOHIRJtwgQbX8QUSRz d2V38CYGgeR8iZ3R0rjlKD6xr5/kYosnHD4K4HW35p8elW2eZ/i/a9gCUegga0SbFlyRxlf+lmF XXjhf4Vx4wNUvgWMNekhwNKOQFJFkNyII9UKSGuYSpPwtSeZ6M6IWQqG1lqvKfYGLuHUGm8ZpKO EzUp3SiBvJ2vBqI6XllCvQDDDhAHb3XXMcf0Q4hE+5OIhi6BFDC34hiBMKvCwbrN8ITJVVtA/VD 1aM1QIf7gNSPrhBuY05b+MxVP/c/6E1qSKbDjcxn7vn5QLCojfPNvkESPHoTnYoAtYDbCP40Kml ktsYeEdyALRuBKxkdyjpcps3tvM0WpYUjsUMe333RxfkV23OCssAICWmk+f6i3dOkCdd0fedNsi 8vnqfnaBNAeElZQ== X-Developer-Key: i=a.hindborg@kernel.org; a=openpgp; fpr=3108C10F46872E248D1FB221376EB100563EF7A7 From: Lyude Paul A simple function to turn the provided value in nanoseconds into a Ktime value. We allow any type which implements Into, which resolves to Into. This is useful for some of the older DRM APIs that never got moved to Ktime Signed-off-by: Lyude Paul Signed-off-by: Andreas Hindborg --- rust/kernel/time.rs | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/rust/kernel/time.rs b/rust/kernel/time.rs index 379c0f5772e575c9ceacb9c85255b13501db8f30..f59e0fea79d3acfddd922f601f569353609aeec1 100644 --- a/rust/kernel/time.rs +++ b/rust/kernel/time.rs @@ -8,6 +8,8 @@ //! C header: [`include/linux/jiffies.h`](srctree/include/linux/jiffies.h). //! C header: [`include/linux/ktime.h`](srctree/include/linux/ktime.h). +use core::convert::Into; + /// The number of nanoseconds per millisecond. pub const NSEC_PER_MSEC: i64 = bindings::NSEC_PER_MSEC as i64; @@ -63,6 +65,12 @@ pub fn to_ns(self) -> i64 { pub fn to_ms(self) -> i64 { self.divns_constant::() } + + /// Creates a new Ktime from the given duration in nanoseconds + #[inline] + pub fn from_ns(ns: impl Into) -> Self { + Self { inner: ns.into() } + } } /// Returns the number of milliseconds between two ktimes. -- 2.47.0