From patchwork Mon Oct 7 12:09:26 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefan Hajnoczi X-Patchwork-Id: 11177329 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 EB1621747 for ; Mon, 7 Oct 2019 12:17:25 +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 CA2B7206BB for ; Mon, 7 Oct 2019 12:17:25 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org CA2B7206BB 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]:43910 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iHRx5-0000AD-U1 for patchwork-qemu-devel@patchwork.kernel.org; Mon, 07 Oct 2019 08:17:23 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:47992) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iHRqF-0001PW-6N for qemu-devel@nongnu.org; Mon, 07 Oct 2019 08:10:20 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iHRqE-0003mg-1Q for qemu-devel@nongnu.org; Mon, 07 Oct 2019 08:10:18 -0400 Received: from mx1.redhat.com ([209.132.183.28]:36738) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1iHRqB-0003lQ-Io; Mon, 07 Oct 2019 08:10:15 -0400 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id C1DFE3082B40; Mon, 7 Oct 2019 12:10:14 +0000 (UTC) Received: from localhost (unknown [10.36.118.98]) by smtp.corp.redhat.com (Postfix) with ESMTP id 5645A5D6D0; Mon, 7 Oct 2019 12:10:14 +0000 (UTC) From: Stefan Hajnoczi To: qemu-devel@nongnu.org Subject: [PATCH 05/16] stubs: add stubs for io_uring interface Date: Mon, 7 Oct 2019 13:09:26 +0100 Message-Id: <20191007120937.5862-6-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 10.5.11.15 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.45]); Mon, 07 Oct 2019 12:10:14 +0000 (UTC) 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+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" From: Aarushi Mehta Signed-off-by: Aarushi Mehta Signed-off-by: Stefan Hajnoczi --- MAINTAINERS | 1 + stubs/Makefile.objs | 1 + stubs/io_uring.c | 32 ++++++++++++++++++++++++++++++++ 3 files changed, 34 insertions(+) create mode 100644 stubs/io_uring.c diff --git a/MAINTAINERS b/MAINTAINERS index 47504ddd09..3c141bafc4 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2549,6 +2549,7 @@ M: Stefan Hajnoczi L: qemu-block@nongnu.org S: Maintained F: block/io_uring.c +F: stubs/io_uring.c qcow2 M: Kevin Wolf diff --git a/stubs/Makefile.objs b/stubs/Makefile.objs index 9c7393b08c..5cf160a9c8 100644 --- a/stubs/Makefile.objs +++ b/stubs/Makefile.objs @@ -13,6 +13,7 @@ stub-obj-y += iothread.o stub-obj-y += iothread-lock.o stub-obj-y += is-daemonized.o stub-obj-$(CONFIG_LINUX_AIO) += linux-aio.o +stub-obj-$(CONFIG_LINUX_IO_URING) += io_uring.o stub-obj-y += machine-init-done.o stub-obj-y += migr-blocker.o stub-obj-y += change-state-handler.o diff --git a/stubs/io_uring.c b/stubs/io_uring.c new file mode 100644 index 0000000000..622d1e4648 --- /dev/null +++ b/stubs/io_uring.c @@ -0,0 +1,32 @@ +/* + * Linux io_uring support. + * + * Copyright (C) 2009 IBM, Corp. + * Copyright (C) 2009 Red Hat, Inc. + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + */ +#include "qemu/osdep.h" +#include "block/aio.h" +#include "block/raw-aio.h" + +void luring_detach_aio_context(LuringState *s, AioContext *old_context) +{ + abort(); +} + +void luring_attach_aio_context(LuringState *s, AioContext *new_context) +{ + abort(); +} + +LuringState *luring_init(Error **errp) +{ + abort(); +} + +void luring_cleanup(LuringState *s) +{ + abort(); +}