From patchwork Wed Jul 15 05:30:01 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jason Wang X-Patchwork-Id: 495408 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 1392D1402C2 for ; Wed, 15 Jul 2015 15:32:45 +1000 (AEST) Received: from localhost ([::1]:33845 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZFFJD-0005Me-9S for incoming@patchwork.ozlabs.org; Wed, 15 Jul 2015 01:32:43 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:60397) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZFFHA-0001Rd-AX for qemu-devel@nongnu.org; Wed, 15 Jul 2015 01:30:37 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ZFFH9-0000Uf-Fj for qemu-devel@nongnu.org; Wed, 15 Jul 2015 01:30:36 -0400 Received: from mx1.redhat.com ([209.132.183.28]:36454) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZFFH2-0000SP-SY; Wed, 15 Jul 2015 01:30:28 -0400 Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) by mx1.redhat.com (Postfix) with ESMTPS id 8596E3CEF6E; Wed, 15 Jul 2015 05:30:28 +0000 (UTC) Received: from jason-ThinkPad-T430s.nay.redhat.com (dhcp-14-122.nay.redhat.com [10.66.14.122]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id t6F5U2RV010359; Wed, 15 Jul 2015 01:30:25 -0400 From: Jason Wang To: qemu-devel@nongnu.org Date: Wed, 15 Jul 2015 13:30:01 +0800 Message-Id: <1436938201-16766-6-git-send-email-jasowang@redhat.com> In-Reply-To: <1436938201-16766-1-git-send-email-jasowang@redhat.com> References: <1436938201-16766-1-git-send-email-jasowang@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 209.132.183.28 Cc: kwolf@redhat.com, qemu-block@nongnu.org, mst@redhat.com, Jason Wang , stefanha@redhat.com, cornelia.huck@de.ibm.com, pbonzini@redhat.com Subject: [Qemu-devel] [PATCH V2 5/5] virtio-blk: set VIRTIO_F_ANY_LAYOUT when 1.0 is supported X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Chapter 6.3 of spec said " Transitional devices MUST offer, and if offered by the device transitional drivers MUST accept the following: VIRTIO_F_ANY_LAYOUT (27) " So this patch sets VIRTIO_F_ANY_LAYOUT when 1.0 is supported. Cc: Stefan Hajnoczi Cc: Kevin Wolf Cc: qemu-block@nongnu.org Signed-off-by: Jason Wang --- hw/block/virtio-blk.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/hw/block/virtio-blk.c b/hw/block/virtio-blk.c index 4a0ef68..78b1f1e 100644 --- a/hw/block/virtio-blk.c +++ b/hw/block/virtio-blk.c @@ -738,6 +738,9 @@ static uint64_t virtio_blk_get_features(VirtIODevice *vdev, uint64_t features, } virtio_add_feature(&features, VIRTIO_BLK_F_SCSI); } + if (__virtio_has_feature(features, VIRTIO_F_VERSION_1)) { + virtio_add_feature(&features, VIRTIO_F_ANY_LAYOUT); + } if (s->conf.config_wce) { virtio_add_feature(&features, VIRTIO_BLK_F_CONFIG_WCE);