From mboxrd@z Thu Jan 1 00:00:00 1970 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 From: Jason Wang 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> Subject: [Qemu-devel] [PATCH V2 5/5] virtio-blk: set VIRTIO_F_ANY_LAYOUT when 1.0 is supported List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: kwolf@redhat.com, qemu-block@nongnu.org, mst@redhat.com, Jason Wang , stefanha@redhat.com, cornelia.huck@de.ibm.com, pbonzini@redhat.com 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); -- 2.1.4