From patchwork Fri Mar 17 12:12:07 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Ma=C3=ADra_Canal?= X-Patchwork-Id: 13179002 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 B97EAC74A5B for ; Fri, 17 Mar 2023 12:13:30 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 5EBB010EEF3; Fri, 17 Mar 2023 12:13:25 +0000 (UTC) Received: from fanzine2.igalia.com (fanzine2.igalia.com [213.97.179.56]) by gabe.freedesktop.org (Postfix) with ESMTPS id 3420C10EEF0 for ; Fri, 17 Mar 2023 12:13:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=igalia.com; s=20170329; h=Content-Transfer-Encoding:Content-Type:MIME-Version:References: In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=lzWvFbZbAyZruu9DSeVDnH0iLl0UAkl4YDHSvxPSfQA=; b=nWarxa9qPNcJhFpe1R68L9WvyX z09O9hFhl1RqkXSEyeEcXcm2fcXssUvRGIXxAbUu1TPhgZf2JBqB5jXFcHIUpxeF9aK9M8VJjVimL bCtULiLc4TpQoCrHQtAI/slfKrViBHe7TZJSnbtVnZPEwE/6Mhd8hp0DnFB38ci9DpVH7YyooIvkc Qy201DX93vHqtk6mGg/rqgGioXmHOns4aT1PizTZh0VybaF9lxCiEqblIws+om2g3AR9ncwfkTHpF Rp7L4jeWcSEKzH5WE4mfTeoFumYNfM731eHY0WhYK4+Rjiqntzu3PLyM5uPNV+TyZYDgFwXGI+OOh 8RIqGykg==; Received: from [177.34.168.16] (helo=bowie..) by fanzine2.igalia.com with esmtpsa (Cipher TLS1.3:ECDHE_X25519__RSA_PSS_RSAE_SHA256__AES_256_GCM:256) (Exim) id 1pd8xM-00FrGz-EQ; Fri, 17 Mar 2023 13:13:12 +0100 From: =?utf-8?q?Ma=C3=ADra_Canal?= To: Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Daniel Vetter , Miguel Ojeda , Alex Gaynor , Wedson Almeida Filho , Boqun Feng , Gary Guo , Asahi Lina , Faith Ekstrand Subject: [RFC PATCH 3/9] rust: dma_fence: add method to return an indication if the fence is signaled Date: Fri, 17 Mar 2023 09:12:07 -0300 Message-Id: <20230317121213.93991-4-mcanal@igalia.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230317121213.93991-1-mcanal@igalia.com> References: <20230317121213.93991-1-mcanal@igalia.com> MIME-Version: 1.0 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: , Cc: Melissa Wen , =?utf-8?q?Ma=C3=ADra_Canal?= , dri-devel@lists.freedesktop.org, rust-for-linux@vger.kernel.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To indicate the current status of the fence, there is a kernel function that returns an indication if the fence is signaled yet. Therefore, add a method in the Rust abstraction to return an indication if the fence is signaled. Signed-off-by: Maíra Canal --- rust/helpers.c | 6 ++++++ rust/kernel/dma_fence.rs | 5 +++++ 2 files changed, 11 insertions(+) diff --git a/rust/helpers.c b/rust/helpers.c index 18c0c434ad73..f77bfa10d5f5 100644 --- a/rust/helpers.c +++ b/rust/helpers.c @@ -420,6 +420,12 @@ void rust_helper_dma_fence_put(struct dma_fence *fence) } EXPORT_SYMBOL_GPL(rust_helper_dma_fence_put); +bool rust_helper_dma_fence_is_signaled(struct dma_fence *fence) +{ + return dma_fence_is_signaled(fence); +} +EXPORT_SYMBOL_GPL(rust_helper_dma_fence_is_signaled); + struct dma_fence_chain *rust_helper_dma_fence_chain_alloc(void) { return dma_fence_chain_alloc(); diff --git a/rust/kernel/dma_fence.rs b/rust/kernel/dma_fence.rs index ca93380d9da2..176e6d250e6c 100644 --- a/rust/kernel/dma_fence.rs +++ b/rust/kernel/dma_fence.rs @@ -65,6 +65,11 @@ pub trait RawDmaFence: crate::private::Sealed { to_result(unsafe { bindings::dma_fence_signal(self.raw()) }) } + /// Return an indication if the fence is signaled yet. + fn is_signaled(&self) -> bool { + unsafe { bindings::dma_fence_is_signaled(self.raw()) } + } + /// Set the error flag on this fence fn set_error(&self, err: Error) { unsafe { bindings::dma_fence_set_error(self.raw(), err.to_kernel_errno()) };