From nobody Mon Nov 25 12:39:17 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=quarantine dis=none) header.from=collabora.com ARC-Seal: i=1; a=rsa-sha256; t=1715452011; cv=none; d=zohomail.com; s=zohoarc; b=metp01V2xPpT9VN+RCeu/hmyvxYbd7TX3CU/JAaQyEhkJ/8obcytYR7wnyod28g4eRAENCkkiv9UnbPclDx4wxUJ1H0AXWF9uCTdZZQIrz08vUl+qWizzwp9Wi7/U1oprvRze7dmp8/pJWG9ClXCKApFiTjl85h10ELuFCL5ZsE= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1715452011; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=noIqowMSsGtEkPoLB3mQWkeNMx8vwxRaoWejsRfRt8I=; b=NSMjKrdp2r+9ySS01K1kjqnPNDXpEdx67zeU6Gc7sniWNwCfton8TZ7XkhrhOSuKoMTF8YOnN3f+TCZtbj/Jm3+iSBHUcSl5NEGwuqjHUl4Std4koSk2tpq6agHw3KfGZgURrwU/9xbSlO2mUeEPT6l8clWBq6UtlEjyPsfIR/k= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=quarantine dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1715452011073771.249140268578; Sat, 11 May 2024 11:26:51 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1s5rPc-0000L3-5b; Sat, 11 May 2024 14:25:36 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1s5rPZ-0000K0-40 for qemu-devel@nongnu.org; Sat, 11 May 2024 14:25:33 -0400 Received: from madrid.collaboradmins.com ([46.235.227.194]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1s5rPX-0004zu-KC for qemu-devel@nongnu.org; Sat, 11 May 2024 14:25:32 -0400 Received: from workpc.. (cola.collaboradmins.com [195.201.22.229]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: dmitry.osipenko) by madrid.collaboradmins.com (Postfix) with ESMTPSA id 6C2A73782191; Sat, 11 May 2024 18:25:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1715451930; bh=KxLB4orH+m7rDO8xxq6LUfUtDByrxS6lCqNjhOszfb4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=PB7K4XHIu7lmzDbRRBxa9tq3J0Enpg4gSjvnICq7Hmhj1Ppm1lhybmLPSTYnPvSaU KDF6bq5BE8VNQae7V7ZFwJLlNo1mwegRYHU04O8DSwVTYPzBEyYmuMeVw4xROjGHhG YRAgE5Kpm6BrDRILA7NTW+3CVAT6pTM6ePFFU17P/WemYq9m9eCKGmJez4gjDrc9be HKW1nA1epktYbygXm/vlqBJTk4ynWeKlIUEQ88527bnydM8/aaaOqttHa3ZeRDWlKw 6K8ZF2E3N70B6Kpb/ZkXy3ZJ4TfGyl79sQ88ydS+HRywgZJx4UIV0h3p+ZzjTaX7F8 mpc12/aFtCo0g== From: Dmitry Osipenko To: Akihiko Odaki , Huang Rui , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Gerd Hoffmann , "Michael S . Tsirkin" , Stefano Stabellini , Anthony PERARD , Antonio Caggiano , "Dr . David Alan Gilbert" , Robert Beckett , Gert Wollny , =?UTF-8?q?Alex=20Benn=C3=A9e?= Cc: qemu-devel@nongnu.org, Gurchetan Singh , ernunes@redhat.com, Alyssa Ross , =?UTF-8?q?Roger=20Pau=20Monn=C3=A9?= , Alex Deucher , Stefano Stabellini , =?UTF-8?q?Christian=20K=C3=B6nig?= , Xenia Ragiadakou , Pierre-Eric Pelloux-Prayer , Honglei Huang , Julia Zhang , Chen Jiqian , Yiwei Zhang Subject: [PATCH v11 07/10] virtio-gpu: Support suspension of commands processing Date: Sat, 11 May 2024 21:22:48 +0300 Message-ID: <20240511182251.1442078-8-dmitry.osipenko@collabora.com> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20240511182251.1442078-1-dmitry.osipenko@collabora.com> References: <20240511182251.1442078-1-dmitry.osipenko@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=46.235.227.194; envelope-from=dmitry.osipenko@collabora.com; helo=madrid.collaboradmins.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @collabora.com) X-ZM-MESSAGEID: 1715452012941100001 Content-Type: text/plain; charset="utf-8" Check whether command processing has been finished; otherwise, stop processing commands and retry the command again next time. This allows us to support asynchronous execution of non-fenced commands needed for unmapping host blobs safely. Suggested-by: Akihiko Odaki Signed-off-by: Dmitry Osipenko --- hw/display/virtio-gpu.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/hw/display/virtio-gpu.c b/hw/display/virtio-gpu.c index 1e57a53d346c..6c8c7213bafa 100644 --- a/hw/display/virtio-gpu.c +++ b/hw/display/virtio-gpu.c @@ -1054,6 +1054,11 @@ void virtio_gpu_process_cmdq(VirtIOGPU *g) /* process command */ vgc->process_cmd(g, cmd); =20 + /* command suspended */ + if (!cmd->finished && !(cmd->cmd_hdr.flags & VIRTIO_GPU_FLAG_FENCE= )) { + break; + } + QTAILQ_REMOVE(&g->cmdq, cmd, next); if (virtio_gpu_stats_enabled(g->parent_obj.conf)) { g->stats.requests++; --=20 2.44.0