From nobody Wed Nov 27 02:36:53 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=none dis=none) header.from=oracle.com ARC-Seal: i=1; a=rsa-sha256; t=1701975174; cv=none; d=zohomail.com; s=zohoarc; b=M1ZKCK6Vwa9Z9ELdumVzblRyzE63kY8xiPNXkjgNopqhKFh27+MjLJzhwNwkRNh/DPimMFPh5cGF12n/71HMe6htD+gF+/wDSa+SXPLargoeorvtNWflrEzHOv7odGaLg/0Lx9zr4BMBvvHdp5eiTcN9CzNdODBUlceIldgXFb4= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1701975174; h=Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=5AgeQWyfy2Ho2yhA/SVB1fzSmEKhlEu+76jpsngIZG4=; b=gTvhcwRMsufE51zq4WKaFfEEezxagOs20RaHuRuTKCoBIlcvpTUN3rPVlP7AnR2ZuxZsi42gYoS7IlYsH6QRG3E+5ykLk1xXjJJS/17vilhXqtnt7gPUjTHGvEIH1F72eiLsg/jlmg1ug6eexbbNMmU+V1CM2I44//RTfwGVd+I= 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=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1701975174188126.26786001344851; Thu, 7 Dec 2023 10:52:54 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rBJSu-0003ym-Ru; Thu, 07 Dec 2023 13:51:16 -0500 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 1rBJSr-0003wk-7B for qemu-devel@nongnu.org; Thu, 07 Dec 2023 13:51:13 -0500 Received: from mx0b-00069f02.pphosted.com ([205.220.177.32]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rBJSl-0007Bh-SH for qemu-devel@nongnu.org; Thu, 07 Dec 2023 13:51:12 -0500 Received: from pps.filterd (m0246632.ppops.net [127.0.0.1]) by mx0b-00069f02.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 3B7GDNQ5031482; Thu, 7 Dec 2023 18:50:56 GMT Received: from phxpaimrmta01.imrmtpd1.prodappphxaev1.oraclevcn.com (phxpaimrmta01.appoci.oracle.com [138.1.114.2]) by mx0b-00069f02.pphosted.com (PPS) with ESMTPS id 3utdrvmpfu-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 07 Dec 2023 18:50:56 +0000 Received: from pps.filterd (phxpaimrmta01.imrmtpd1.prodappphxaev1.oraclevcn.com [127.0.0.1]) by phxpaimrmta01.imrmtpd1.prodappphxaev1.oraclevcn.com (8.17.1.19/8.17.1.19) with ESMTP id 3B7ITt8L039503; Thu, 7 Dec 2023 18:50:55 GMT Received: from pps.reinject (localhost [127.0.0.1]) by phxpaimrmta01.imrmtpd1.prodappphxaev1.oraclevcn.com (PPS) with ESMTPS id 3utan7vj9s-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 07 Dec 2023 18:50:55 +0000 Received: from phxpaimrmta01.imrmtpd1.prodappphxaev1.oraclevcn.com (phxpaimrmta01.imrmtpd1.prodappphxaev1.oraclevcn.com [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 3B7Io90q008067; Thu, 7 Dec 2023 18:50:54 GMT Received: from ban25x6uut24.us.oracle.com (ban25x6uut24.us.oracle.com [10.153.73.24]) by phxpaimrmta01.imrmtpd1.prodappphxaev1.oraclevcn.com (PPS) with ESMTP id 3utan7vh2k-31; Thu, 07 Dec 2023 18:50:54 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=from : to : cc : subject : date : message-id : in-reply-to : references; s=corp-2023-11-20; bh=5AgeQWyfy2Ho2yhA/SVB1fzSmEKhlEu+76jpsngIZG4=; b=NjeL04sf86y1ZL7zO8yZOuOybt/SUtemGfiYHUFqaUYRCISz4tJ1578gK3419CODdTRT yH7zjgt9pj+Hb6wAj84+fQbSUpZMDdOeCpAIm1i1uALWJFDRO4tbmxoShitQxVRFo1SU RRocGQyABqcbEtEPnOiyFcsW393gqsmfxqjDHcw1BdIq7w8nrvJDhZIgn5qelpNXrVlg Vo6xSBd//34SvStDkQkbuR2EY7OaXnlnBf6/S3e8L61UpVYpr9kPWGPV1JK/6vbfg0kf xt6vU/hM8d1k0bFUQV6TDE7nkdgKcju1bIrM6uOZ48a/kdAmrjS+28ETcf7K0OP5ZnoQ Lg== From: Si-Wei Liu To: eperezma@redhat.com, jasowang@redhat.com, mst@redhat.com, dtatulea@nvidia.com, leiyang@redhat.com, yin31149@gmail.com, boris.ostrovsky@oracle.com, jonah.palmer@oracle.com Cc: qemu-devel@nongnu.org Subject: [PATCH 30/40] vdpa: batch map/unmap op per svq pair basis Date: Thu, 7 Dec 2023 09:39:43 -0800 Message-Id: <1701970793-6865-31-git-send-email-si-wei.liu@oracle.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1701970793-6865-1-git-send-email-si-wei.liu@oracle.com> References: <1701970793-6865-1-git-send-email-si-wei.liu@oracle.com> X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.997,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-12-07_15,2023-12-07_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 phishscore=0 spamscore=0 malwarescore=0 suspectscore=0 mlxscore=0 adultscore=0 bulkscore=0 mlxlogscore=999 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2311290000 definitions=main-2312070156 X-Proofpoint-GUID: KxJwXgfLbavtyNmFEvUIyeUJEW5kqX00 X-Proofpoint-ORIG-GUID: KxJwXgfLbavtyNmFEvUIyeUJEW5kqX00 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=205.220.177.32; envelope-from=si-wei.liu@oracle.com; helo=mx0b-00069f02.pphosted.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_MED=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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 @oracle.com) X-ZM-MESSAGEID: 1701975176504100003 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Coalesce multiple map or unmap operations to just one so that all mapping setup or teardown can occur in a single DMA batch. Signed-off-by: Si-Wei Liu Acked-by: Jason Wang --- hw/virtio/vhost-vdpa.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/hw/virtio/vhost-vdpa.c b/hw/virtio/vhost-vdpa.c index 68dc01b..d98704a 100644 --- a/hw/virtio/vhost-vdpa.c +++ b/hw/virtio/vhost-vdpa.c @@ -1288,6 +1288,7 @@ static bool vhost_vdpa_svqs_start(struct vhost_dev *d= ev) return true; } =20 + vhost_vdpa_dma_batch_begin_once(v->shared, v->address_space_id); for (i =3D 0; i < v->shadow_vqs->len; ++i) { VirtQueue *vq =3D virtio_get_queue(dev->vdev, dev->vq_index + i); VhostShadowVirtqueue *svq =3D g_ptr_array_index(v->shadow_vqs, i); @@ -1315,6 +1316,7 @@ static bool vhost_vdpa_svqs_start(struct vhost_dev *d= ev) goto err_set_addr; } } + vhost_vdpa_dma_batch_end_once(v->shared, v->address_space_id); =20 return true; =20 @@ -1323,6 +1325,7 @@ err_set_addr: =20 err_map: vhost_svq_stop(g_ptr_array_index(v->shadow_vqs, i)); + vhost_vdpa_dma_batch_end_once(v->shared, v->address_space_id); =20 err: error_reportf_err(err, "Cannot setup SVQ %u: ", i); @@ -1343,6 +1346,7 @@ static void vhost_vdpa_svqs_stop(struct vhost_dev *de= v) return; } =20 + vhost_vdpa_dma_batch_begin_once(v->shared, v->address_space_id); for (unsigned i =3D 0; i < v->shadow_vqs->len; ++i) { VhostShadowVirtqueue *svq =3D g_ptr_array_index(v->shadow_vqs, i); =20 @@ -1352,6 +1356,7 @@ static void vhost_vdpa_svqs_stop(struct vhost_dev *de= v) event_notifier_cleanup(&svq->hdev_kick); event_notifier_cleanup(&svq->hdev_call); } + vhost_vdpa_dma_batch_end_once(v->shared, v->address_space_id); } =20 static void vhost_vdpa_suspend(struct vhost_dev *dev) --=20 1.8.3.1