From patchwork Fri May 22 17:17:24 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefan Hajnoczi X-Patchwork-Id: 11566023 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id CCDBB739 for ; Fri, 22 May 2020 17:20:24 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id A2BC8204EF for ; Fri, 22 May 2020 17:20:24 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="CVP3xeCh" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A2BC8204EF Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Received: from localhost ([::1]:55778 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jcBLL-00019H-Qg for patchwork-qemu-devel@patchwork.kernel.org; Fri, 22 May 2020 13:20:23 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:46782) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jcBJG-0005K4-HS for qemu-devel@nongnu.org; Fri, 22 May 2020 13:18:14 -0400 Received: from us-smtp-2.mimecast.com ([207.211.31.81]:45716 helo=us-smtp-delivery-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1jcBJF-0000fY-Q6 for qemu-devel@nongnu.org; Fri, 22 May 2020 13:18:14 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1590167892; 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=6OUjV9d42OaeNTy7tX62TdWiw4w1pIbo02ovt56hIfY=; b=CVP3xeChnK6Erd8jv6xC+nwwesLsg558j2NF0vhj7Y9vCS6wKnvkYEdB5T1ZQ7zmrvzhXO k34zSfD1n67YCJi5tPwyhQnHfIO8h3O8isSFqt4erg2nrQYUI96A32O4YlFxQEU5UfSYUx 8u3VgkYOD0RXwBIgnWvfkhsWYMUeZco= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-505-PeRgRvSAPt--n5YcwV-Kgw-1; Fri, 22 May 2020 13:18:11 -0400 X-MC-Unique: PeRgRvSAPt--n5YcwV-Kgw-1 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id EECF780B700; Fri, 22 May 2020 17:18:09 +0000 (UTC) Received: from localhost (ovpn-112-243.ams2.redhat.com [10.36.112.243]) by smtp.corp.redhat.com (Postfix) with ESMTP id D41535798D; Fri, 22 May 2020 17:17:57 +0000 (UTC) From: Stefan Hajnoczi To: qemu-devel@nongnu.org Subject: [PATCH 3/5] vhost-user-blk: add VIRTIO_F_RING_PACKED feature bit Date: Fri, 22 May 2020 18:17:24 +0100 Message-Id: <20200522171726.648279-4-stefanha@redhat.com> In-Reply-To: <20200522171726.648279-1-stefanha@redhat.com> References: <20200522171726.648279-1-stefanha@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=207.211.31.81; envelope-from=stefanha@redhat.com; helo=us-smtp-delivery-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/05/22 11:12:54 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -3 X-Spam_score: -0.4 X-Spam_bar: / X-Spam_report: (-0.4 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, MIME_BASE64_TEXT=1.741, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_PASS=-0.001 autolearn=_AUTOLEARN X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kevin Wolf , Laurent Vivier , Thomas Huth , Eduardo Habkost , qemu-block@nongnu.org, "Michael S. Tsirkin" , jasowang@redhat.com, cohuck@redhat.com, Stefan Hajnoczi , "Dr. David Alan Gilbert" , Raphael Norwitz , "Gonglei \(Arei\)" , Gerd Hoffmann , Paolo Bonzini , =?utf-8?q?Marc-Andr=C3=A9_Lureau?= , Fam Zheng , Max Reitz Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" Vhost devices have a list of feature bits that the device backend is allowed to control. The VIRTIO_F_RING_PACKED feature is a feature that must be negotiated through all the way to the device backend. Add it so the device backend can declare whether or not it supports the packed ring layout. Signed-off-by: Stefan Hajnoczi Reviewed-by: Raphael Norwitz --- hw/block/vhost-user-blk.c | 1 + 1 file changed, 1 insertion(+) diff --git a/hw/block/vhost-user-blk.c b/hw/block/vhost-user-blk.c index 9d8c0b3909..10e114a19a 100644 --- a/hw/block/vhost-user-blk.c +++ b/hw/block/vhost-user-blk.c @@ -44,6 +44,7 @@ static const int user_feature_bits[] = { VIRTIO_BLK_F_DISCARD, VIRTIO_BLK_F_WRITE_ZEROES, VIRTIO_F_VERSION_1, + VIRTIO_F_RING_PACKED, VIRTIO_RING_F_INDIRECT_DESC, VIRTIO_RING_F_EVENT_IDX, VIRTIO_F_NOTIFY_ON_EMPTY,