From nobody Tue Feb 10 05:26:44 2026 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=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1658140857; cv=none; d=zohomail.com; s=zohoarc; b=JWZtn3kTpxGyIO3KmLlbmnYHqGIkcdm5KfDK4i5XsamVC9hoWq4ohwwACaxGI9BmfSl8zdysNW48qezbxGlPFjrVIO66BsfAd0xsBDMV6xNhaVGl3D4IO0xGUEpkB3BCP+11Dcml/relFL2PnjT0WT0jLl8xxdkp1ezZA0AM2lY= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1658140857; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=oF55J2F/WdWJFH5uGX59cHC74FkBU6RmtMqfQyGsPgw=; b=Iccx8US9GSxtX5A8Jkit6+dD6S8DojOsowxcHVrD0uWdnnK4Fd1VCGv7XXoKj7c5SqU8OgLRtqnApr2JBMw91q4jsqK1nZ9FnrvGkBEHMlN/QJZB5QK1ktxT9f0d+YZYrCcXbQN4TdNZPysVqV4WNdZDbqhvpDDsIkeGGwhCRhA= 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 16581408572901002.475011123109; Mon, 18 Jul 2022 03:40:57 -0700 (PDT) Received: from localhost ([::1]:49968 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oDOBL-0003iQ-Qn for importer@patchew.org; Mon, 18 Jul 2022 06:40:56 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:55236) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oDO1z-000106-Fl for qemu-devel@nongnu.org; Mon, 18 Jul 2022 06:31:15 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:39178) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oDO1x-0001hD-Sn for qemu-devel@nongnu.org; Mon, 18 Jul 2022 06:31:15 -0400 Received: from mimecast-mx02.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-142-pukAO7rIPvCsR_vuw2IPjA-1; Mon, 18 Jul 2022 06:31:10 -0400 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.rdu2.redhat.com [10.11.54.6]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id B2FDF38041C2; Mon, 18 Jul 2022 10:31:09 +0000 (UTC) Received: from eperezma.remote.csb (unknown [10.39.192.86]) by smtp.corp.redhat.com (Postfix) with ESMTP id DE0F92166B29; Mon, 18 Jul 2022 10:31:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1658140273; 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=oF55J2F/WdWJFH5uGX59cHC74FkBU6RmtMqfQyGsPgw=; b=JvkiL7/TBloeCIs+nXmdRwjBX2zTpLkEAXPlUfPeQ4K5G0aCf0+V/2UVZVQNAfdtJBaO0c E/SrNrSxGDnEh/UPGUczlOxeyQWr42JB36FZ5d6ImDL/IF1exTolPp82CN2skuR3KgT/af 481m049DzqeBti8PgG6C6+Mmwm/bR0I= X-MC-Unique: pukAO7rIPvCsR_vuw2IPjA-1 From: =?UTF-8?q?Eugenio=20P=C3=A9rez?= To: qemu-devel@nongnu.org Cc: Cindy Lu , Gautam Dawar , Cornelia Huck , Laurent Vivier , Paolo Bonzini , "Gonglei (Arei)" , Zhu Lingshan , Stefan Hajnoczi , Liuxiangdong , Jason Wang , Stefano Garzarella , Eli Cohen , Harpreet Singh Anand , "Michael S. Tsirkin" , Eric Blake , Markus Armbruster , Parav Pandit Subject: [PATCH v4 18/19] vdpa: Add device migration blocker Date: Mon, 18 Jul 2022 12:29:48 +0200 Message-Id: <20220718102949.2868267-19-eperezma@redhat.com> In-Reply-To: <20220718102949.2868267-1-eperezma@redhat.com> References: <20220718102949.2868267-1-eperezma@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 2.78 on 10.11.54.6 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=170.10.133.124; envelope-from=eperezma@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -21 X-Spam_score: -2.2 X-Spam_bar: -- X-Spam_report: (-2.2 / 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_NONE=-0.0001, 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" X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1658140859055100001 Since the vhost-vdpa device is exposing _F_LOG, adding a migration blocker = if it uses CVQ. Signed-off-by: Eugenio P=C3=A9rez --- include/hw/virtio/vhost-vdpa.h | 1 + hw/virtio/vhost-vdpa.c | 14 ++++++++++++++ 2 files changed, 15 insertions(+) diff --git a/include/hw/virtio/vhost-vdpa.h b/include/hw/virtio/vhost-vdpa.h index 1111d85643..d10a89303e 100644 --- a/include/hw/virtio/vhost-vdpa.h +++ b/include/hw/virtio/vhost-vdpa.h @@ -35,6 +35,7 @@ typedef struct vhost_vdpa { bool shadow_vqs_enabled; /* IOVA mapping used by the Shadow Virtqueue */ VhostIOVATree *iova_tree; + Error *migration_blocker; GPtrArray *shadow_vqs; const VhostShadowVirtqueueOps *shadow_vq_ops; void *shadow_vq_ops_opaque; diff --git a/hw/virtio/vhost-vdpa.c b/hw/virtio/vhost-vdpa.c index beaaa7049a..795ed5a049 100644 --- a/hw/virtio/vhost-vdpa.c +++ b/hw/virtio/vhost-vdpa.c @@ -20,6 +20,7 @@ #include "hw/virtio/vhost-shadow-virtqueue.h" #include "hw/virtio/vhost-vdpa.h" #include "exec/address-spaces.h" +#include "migration/blocker.h" #include "qemu/cutils.h" #include "qemu/main-loop.h" #include "cpu.h" @@ -1022,6 +1023,13 @@ static bool vhost_vdpa_svqs_start(struct vhost_dev *= dev) return true; } =20 + if (v->migration_blocker) { + int r =3D migrate_add_blocker(v->migration_blocker, &err); + if (unlikely(r < 0)) { + goto err_migration_blocker; + } + } + 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); @@ -1064,6 +1072,9 @@ err: vhost_svq_stop(svq); } =20 +err_migration_blocker: + error_reportf_err(err, "Cannot setup SVQ %u: ", i); + return false; } =20 @@ -1083,6 +1094,9 @@ static bool vhost_vdpa_svqs_stop(struct vhost_dev *de= v) } } =20 + if (v->migration_blocker) { + migrate_del_blocker(v->migration_blocker); + } return true; } =20 --=20 2.31.1