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 X-Spam-Level: X-Spam-Status: No, score=-6.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 56815C47404 for ; Mon, 7 Oct 2019 12:12:26 +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 2BCD921655 for ; Mon, 7 Oct 2019 12:12:26 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2BCD921655 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+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:43824 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iHRsH-0002y1-6O for qemu-devel@archiver.kernel.org; Mon, 07 Oct 2019 08:12:25 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:47856) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iHRpw-00010t-W0 for qemu-devel@nongnu.org; Mon, 07 Oct 2019 08:10:01 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iHRpw-0003d6-2o for qemu-devel@nongnu.org; Mon, 07 Oct 2019 08:10:00 -0400 Received: from mx1.redhat.com ([209.132.183.28]:36586) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1iHRpt-0003av-UH; Mon, 07 Oct 2019 08:09:58 -0400 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 mx1.redhat.com (Postfix) with ESMTPS id 2A6EA309DEE9; Mon, 7 Oct 2019 12:09:57 +0000 (UTC) Received: from localhost (unknown [10.36.118.98]) by smtp.corp.redhat.com (Postfix) with ESMTP id B3CBF60A9D; Mon, 7 Oct 2019 12:09:56 +0000 (UTC) From: Stefan Hajnoczi To: qemu-devel@nongnu.org Subject: [PATCH 02/16] qapi/block-core: add option for io_uring Date: Mon, 7 Oct 2019 13:09:23 +0100 Message-Id: <20191007120937.5862-3-stefanha@redhat.com> In-Reply-To: <20191007120937.5862-1-stefanha@redhat.com> References: <20191007120937.5862-1-stefanha@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.45]); Mon, 07 Oct 2019 12:09:57 +0000 (UTC) Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.132.183.28 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: oleksandr@redhat.com, Kevin Wolf , qemu-block@nongnu.org, Julia Suvorova , Julia Suvorova , Markus Armbruster , Max Reitz , Stefan Hajnoczi , Paolo Bonzini , Fam Zheng , Aarushi Mehta Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Aarushi Mehta Only enumerates option for devices that support it. Since QAPI schema supports io_uring, which is the actual name of the Linux API, it is preferred over io-uring. Signed-off-by: Aarushi Mehta Signed-off-by: Stefan Hajnoczi --- qapi/block-core.json | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/qapi/block-core.json b/qapi/block-core.json index e6edd641f1..1ce5f32cb2 100644 --- a/qapi/block-core.json +++ b/qapi/block-core.json @@ -2790,11 +2790,13 @@ # # @threads: Use qemu's thread pool # @native: Use native AIO backend (only Linux and Windows) +# @io_uring: Use linux io_uring (since 4.2) # # Since: 2.9 ## { 'enum': 'BlockdevAioOptions', - 'data': [ 'threads', 'native' ] } + 'data': [ 'threads', 'native', + { 'name': 'io_uring', 'if': 'defined(CONFIG_LINUX_IO_URING)'= } ] } =20 ## # @BlockdevCacheOptions: --=20 2.21.0