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 lists.gnu.org (lists.gnu.org [209.51.188.17]) (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 E51A6C433F5 for ; Thu, 19 May 2022 19:23:56 +0000 (UTC) Received: from localhost ([::1]:40634 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nrlkZ-0003ls-VT for qemu-devel@archiver.kernel.org; Thu, 19 May 2022 15:23:56 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:48206) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nrlat-0005Wd-DD for qemu-devel@nongnu.org; Thu, 19 May 2022 15:13:55 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]:56533) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nrlaq-0006Q8-Vb for qemu-devel@nongnu.org; Thu, 19 May 2022 15:13:55 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1652987632; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=fU/RsuJkVNZGtkaJmkVTz8JDO/UhA/dz7iWVC1PvyFY=; b=Y9VVuSPf6PC7vaQvHYflXOsc0ATKkhCGFCgaQdbvkFqtLwUrnO7TcymlGoJMNHpewXPSAf IL3hYhFyUS8n0tH1Q18V318xJFzDyDxk3XUnhGixQFu97hvuUMGx+/sXBtyKa8/Jxf+APk MIs0HIrJn64yNLeIijI3+1AjELhubnI= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-189-8NLZhAyjN8i85wnYpIvVPw-1; Thu, 19 May 2022 15:13:49 -0400 X-MC-Unique: 8NLZhAyjN8i85wnYpIvVPw-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.rdu2.redhat.com [10.11.54.4]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id B67F4811E78; Thu, 19 May 2022 19:13:48 +0000 (UTC) Received: from eperezma.remote.csb (unknown [10.39.193.126]) by smtp.corp.redhat.com (Postfix) with ESMTP id 2CEBF200AE6D; Thu, 19 May 2022 19:13:46 +0000 (UTC) From: =?UTF-8?q?Eugenio=20P=C3=A9rez?= To: qemu-devel@nongnu.org Cc: Gautam Dawar , "Michael S. Tsirkin" , Markus Armbruster , "Gonglei (Arei)" , Harpreet Singh Anand , Cornelia Huck , Zhu Lingshan , Laurent Vivier , Eli Cohen , Paolo Bonzini , Liuxiangdong , Eric Blake , Cindy Lu , Jason Wang , Parav Pandit Subject: [RFC PATCH v8 13/21] vhost: Add ShadowVirtQueueStart operation Date: Thu, 19 May 2022 21:12:58 +0200 Message-Id: <20220519191306.821774-14-eperezma@redhat.com> In-Reply-To: <20220519191306.821774-1-eperezma@redhat.com> References: <20220519191306.821774-1-eperezma@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 2.78 on 10.11.54.4 Received-SPF: pass client-ip=170.10.129.124; envelope-from=eperezma@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -28 X-Spam_score: -2.9 X-Spam_bar: -- X-Spam_report: (-2.9 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.082, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" It allows to run commands at SVQ start. Signed-off-by: Eugenio Pérez --- hw/virtio/vhost-shadow-virtqueue.h | 4 ++++ hw/virtio/vhost-vdpa.c | 14 ++++++++++++++ 2 files changed, 18 insertions(+) diff --git a/hw/virtio/vhost-shadow-virtqueue.h b/hw/virtio/vhost-shadow-virtqueue.h index 8fe0367944..3c55fe2641 100644 --- a/hw/virtio/vhost-shadow-virtqueue.h +++ b/hw/virtio/vhost-shadow-virtqueue.h @@ -28,10 +28,14 @@ typedef struct SVQElement { bool not_from_guest; } SVQElement; +typedef struct VhostShadowVirtqueue VhostShadowVirtqueue; +typedef int (*ShadowVirtQueueStart)(VhostShadowVirtqueue *svq, + struct vhost_dev *dev); typedef void (*VirtQueueElementCallback)(VirtIODevice *vdev, const VirtQueueElement *elem); typedef struct VhostShadowVirtqueueOps { + ShadowVirtQueueStart start; VirtQueueElementCallback used_elem_handler; } VhostShadowVirtqueueOps; diff --git a/hw/virtio/vhost-vdpa.c b/hw/virtio/vhost-vdpa.c index 13e5e2a061..eec6d544e9 100644 --- a/hw/virtio/vhost-vdpa.c +++ b/hw/virtio/vhost-vdpa.c @@ -1141,6 +1141,20 @@ static int vhost_vdpa_dev_start(struct vhost_dev *dev, bool started) if (unlikely(r)) { return r; } + + if (v->shadow_vqs_enabled) { + for (unsigned i = 0; i < v->shadow_vqs->len; ++i) { + VhostShadowVirtqueue *svq = g_ptr_array_index(v->shadow_vqs, + i); + if (svq->ops && svq->ops->start) { + r = svq->ops->start(svq, dev); + if (unlikely(r)) { + return r; + } + } + } + } + vhost_vdpa_set_vring_ready(dev); } else { vhost_vdpa_reset_device(dev); -- 2.27.0