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=-6.5 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, 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 3B067CA9EA0 for ; Fri, 25 Oct 2019 16:23:00 +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 06EF721872 for ; Fri, 25 Oct 2019 16:23:00 +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="IwMrkDn9" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 06EF721872 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]:34422 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iO2Mc-0007an-Lp for qemu-devel@archiver.kernel.org; Fri, 25 Oct 2019 12:22:58 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:34728) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iO25d-0002zU-3p for qemu-devel@nongnu.org; Fri, 25 Oct 2019 12:05:26 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iO25c-00030C-15 for qemu-devel@nongnu.org; Fri, 25 Oct 2019 12:05:24 -0400 Received: from us-smtp-delivery-1.mimecast.com ([205.139.110.120]:27171 helo=us-smtp-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1iO25a-0002zQ-5W for qemu-devel@nongnu.org; Fri, 25 Oct 2019 12:05:22 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1572019521; 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=Ke4FAsg4+Nz5Bvc/+HLh+3BPDDlliRp9/7DcsFz5ZqU=; b=IwMrkDn9j4kPjxOs+WFUZtIuFoCVh+0PxLhPyVlCFggss0eYYrNY00B7Vh48dypti7Z5VH xzmEUPV8Yu/Nr0xtsuz8STI2/8hahMVpyuYu2jIyKb8pd8mqOsKozHYhm72ht8uZoFPbGB tAdKPr9FezxneuCArP8qv9/xF7WqZeM= 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-216-06bTJpOCPyGJJkwuEickzg-1; Fri, 25 Oct 2019 12:05:16 -0400 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 3CDC680183D; Fri, 25 Oct 2019 16:05:15 +0000 (UTC) Received: from localhost (ovpn-117-215.ams2.redhat.com [10.36.117.215]) by smtp.corp.redhat.com (Postfix) with ESMTP id 406A05DD78; Fri, 25 Oct 2019 16:05:06 +0000 (UTC) From: Stefan Hajnoczi To: qemu-devel@nongnu.org Subject: [PATCH v2 02/15] qapi/block-core: add option for io_uring Date: Fri, 25 Oct 2019 18:04:31 +0200 Message-Id: <20191025160444.31632-3-stefanha@redhat.com> In-Reply-To: <20191025160444.31632-1-stefanha@redhat.com> References: <20191025160444.31632-1-stefanha@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 X-MC-Unique: 06bTJpOCPyGJJkwuEickzg-1 X-Mimecast-Spam-Score: 0 Content-Type: text/plain; charset=US-ASCII 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: 205.139.110.120 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: Fam Zheng , oleksandr@redhat.com, qemu-block@nongnu.org, Julia Suvorova , Markus Armbruster , Max Reitz , Stefan Hajnoczi , Paolo Bonzini , Kevin Wolf , 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 b274aef713..3196f40178 100644 --- a/qapi/block-core.json +++ b/qapi/block-core.json @@ -2851,11 +2851,13 @@ # # @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