From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 369BC606D80B for ; Tue, 3 Nov 2026 15:32:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=VzVPe8iO Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 78EA010F68F; Tue, 3 Nov 2026 15:32:43 +0000 (UTC) Received: from sea.source.kernel.org (sea.source.kernel.org [172.234.252.31]) by gabe.freedesktop.org (Postfix) with ESMTPS id 11F9610F693 for ; Tue, 3 Nov 2026 15:32:38 +0000 (UTC) Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by sea.source.kernel.org (Postfix) with ESMTP id 8ADDB43B72; Tue, 3 Nov 2026 15:32:37 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8DEDA1F00A16; Tue, 3 Nov 2026 15:32:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1793719957; bh=CTC0NGl+gn6K/Ev7/WRzoi5Z9SyGzqqJK0cSV/zyFzo=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=VzVPe8iOs70piLZ1J3/guI6ECrDAgUg7jhdGOMfNTMoiHm/z+XpybtOdyVyVgUU4p Q2Zkx7Hp2guHXsp9OnuNshn+gEYLNX2S8zXY3OXCiJyLaaH/GX9SHJPrDZbko3QCCf rLMAbkrqUlSI0M1jP5B1vvBv66QACpJXAhi06WeyBlaxghoAJjXcOmjGsSCOhy58VR oqSw3lteA24pk1SiqC9BYuW/x3w9GRUJVvox1RQHw7ANFw/s5L3FFNumZqfezrKCw+ stM/65rcsM0/8rmGW8DZYL78zr8pZNbWY3B7MMErMbKTR4zC7GKw72kFYXaM8BZ2O/ IEnar3lNxgy9w== From: Philipp Stanner To: Sumit Semwal , =?UTF-8?q?Christian=20K=C3=B6nig?= , Philipp Stanner , Danilo Krummrich , Alice Ryhl , 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 , Tvrtko Ursulin 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 v7 1/8] rust: DmaFence: Implement Deref for FenceContext Date: Tue, 3 Nov 2026 16:31:31 +0100 Message-ID: <20261103153138.1087330-3-phasta@kernel.org> X-Mailer: git-send-email 2.56.0 In-Reply-To: <20261103153138.1087330-2-phasta@kernel.org> References: <20261103153138.1087330-2-phasta@kernel.org> X-Archived-By: 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-Archive: List-Post: List-Help: List-Subscribe: , Sender: "dri-devel" X-Spam-Status: No, score=-18.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 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 | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/rust/kernel/dma_buf/dma_fence.rs b/rust/kernel/dma_buf/dma_fence.rs index a1d851656562..5300448882e7 100644 --- a/rust/kernel/dma_buf/dma_fence.rs +++ b/rust/kernel/dma_buf/dma_fence.rs @@ -86,6 +86,15 @@ pub struct FenceContext { data: T, } +impl Deref for FenceContext { + type Target = T; + + #[inline] + 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. -- 2.56.0