From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id AF744CA5FA1 for ; Tue, 29 Sep 2026 10:50:13 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 0CB2A10EE3A; Tue, 29 Sep 2026 10:50:13 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.b="nk4EY9jx"; dkim-atps=neutral Received: from sea.source.kernel.org (sea.source.kernel.org [172.234.252.31]) by gabe.freedesktop.org (Postfix) with ESMTPS id AA32810EE35 for ; Tue, 29 Sep 2026 10:50:11 +0000 (UTC) Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by sea.source.kernel.org (Postfix) with ESMTP id 8C74943DD0; Tue, 29 Sep 2026 10:50:11 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id DB4881F00898; Tue, 29 Sep 2026 10:50:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1790679011; bh=YvjiYYGb1HHkRI/noHetRX7tr+whhoEHSilSms9Fg8I=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=nk4EY9jxMNWDGoxZC3G66Dp3JanDnxpRETJsDQt1p97+Aeho+GyxKgoS8I4RtoELx oIR38k8OEu/UzPCaZMM0D44DCBbNHQ3SbGGIkPlDVOfjUMXToFqYYNBm8/17RBPYRI wrpocHMqRrM2DvwBzmtUk0OV8TIF5MgyXmScKEKtpy5dT+uLVbPC1YPMKYiTtVStFt mqTZqG1bNY0R1OXYvSlDypc2OXQgPFToYpwwQKPypzzJGLY+D3VXegXS0zJFsWYMT5 EMyEEgNK9ehc++mPslEgzTb5rHyF+DBFzZ+54I5PaMoHBQ8DqtpzHkxyu8SrlOxPEs 5JBQYdXZ4Zv1A== From: Philipp Stanner To: Matthew Wilcox , =?UTF-8?q?Christian=20K=C3=B6nig?= , Danilo Krummrich , Alice Ryhl , Sumit Semwal , Philipp Stanner , Miguel Ojeda , Boqun Feng , Gary Guo , =?UTF-8?q?Bj=C3=B6rn=20Roy=20Baron?= , Benno Lossin , Andreas Hindborg , Trevor Gross , Daniel Almeida , Tamir Duberstein , Alexandre Courbot , =?UTF-8?q?Onur=20=C3=96zkan?= , David Airlie , Simona Vetter , Boris Brezillon , Janne Grunau Cc: linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, dri-devel@lists.freedesktop.org, rust-for-linux@vger.kernel.org Subject: [RFC PATCH v4 2/3] rust: DmaFence: Implement Deref for FenceContext Date: Tue, 29 Sep 2026 12:47:02 +0200 Message-ID: <20260929104703.934128-4-phasta@kernel.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260929104703.934128-2-phasta@kernel.org> References: <20260929104703.934128-2-phasta@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" A FenceContext carries data, which the user should be able to access. Implement Deref for FenceContext. Signed-off-by: Philipp Stanner --- rust/kernel/dma_buf/dma_fence.rs | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/rust/kernel/dma_buf/dma_fence.rs b/rust/kernel/dma_buf/dma_fence.rs index eef2b9e93f35..0028124e6aa6 100644 --- a/rust/kernel/dma_buf/dma_fence.rs +++ b/rust/kernel/dma_buf/dma_fence.rs @@ -86,6 +86,14 @@ pub struct FenceContext { data: T, } +impl Deref for FenceContext { + type Target = T; + + fn deref(&self) -> &Self::Target { + &self.data + } +} + impl<'a, T: Send + Sync + FenceContextOps> FenceContext { // This can later be extended as a vtable in case other parties need support // for the more "exotic" callbacks. -- 2.55.0