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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3734CC43334 for ; Tue, 12 Jul 2022 08:34:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232588AbiGLIeY (ORCPT ); Tue, 12 Jul 2022 04:34:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37600 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229762AbiGLIeX (ORCPT ); Tue, 12 Jul 2022 04:34:23 -0400 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id CD5E02A942 for ; Tue, 12 Jul 2022 01:34:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1657614860; 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=4ciMX/RuHI1AVXWq2Q5hVAjhC6awxZbzM0WmTsHePMI=; b=a8WGqyUrUQGnd3PhkaS83mEtCvmeDW1GaTrW7RzIrC4AdFlTs9c+y1U0jIAW+YlbXzMWxi 7dY/dlP1qrSAKaMdjzmDZhE9iXpzAOOhMuN17zvwcu7izHmdotTZ4zNigo/Yqyg4Vgygiv GugA4luEVmpuV7SGPCg4L9YTL8F6fOo= Received: from mail-pg1-f197.google.com (mail-pg1-f197.google.com [209.85.215.197]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-613-yMCRXVwANzakiASlNp-VLA-1; Tue, 12 Jul 2022 04:34:18 -0400 X-MC-Unique: yMCRXVwANzakiASlNp-VLA-1 Received: by mail-pg1-f197.google.com with SMTP id s129-20020a632c87000000b00411564fe1feso2998323pgs.7 for ; Tue, 12 Jul 2022 01:34:18 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:message-id:date:mime-version:user-agent:subject :content-language:to:cc:references:from:in-reply-to :content-transfer-encoding; bh=4ciMX/RuHI1AVXWq2Q5hVAjhC6awxZbzM0WmTsHePMI=; b=x52AJCUai17iGYzReuboGCMcK3gJafSuzzMuafpUqImSu0q0CGW+5eow5Ud2eeHVd0 3YlznaK8z8SQj98lWcoM6gQRG8GlcZ8hnICiJDBwEhDPDBmJN4fmGLq5DHP2X/RnlEtn mWPW95lHzg81iHn6Na9Z17TQ//AJ873Z2Nm2B6voCBCpwE3hnhjYEbPzh4dEqDA8AfvD R5uuGDxE2n93c8XWiESCDtfIaOHaEt8OZVw7OM1zoNJ2nMRXXbB+wYLnC/8p+5yKyXP6 pv4+zZqNjCaXL4Y9BZ0+wWcsL3n6huWDQG2jbjKgx0iz9JNTNAXSAhUCjLMvE9TUBU59 i/IA== X-Gm-Message-State: AJIora9afdKCy4NdR5fGF8cy11J2Lhe1ugfZZZRTJgEj2plFjlc/zMOn nbSWLS6UUr6BqFJWRppYnpu8P3p1PUBBv6cYk992krDVUtC5eVTgBccoTo7IFGjJtY3CoFiflue X1uTkJCRKoVyx+g0sNmaTqUZX X-Received: by 2002:a63:5a44:0:b0:412:7bee:d757 with SMTP id k4-20020a635a44000000b004127beed757mr20003580pgm.419.1657614857272; Tue, 12 Jul 2022 01:34:17 -0700 (PDT) X-Google-Smtp-Source: AGRyM1vYVO3vSLUIZSmWIXfePtiHngDbFb1xsmaDaTzi6lizNFpTYFpmBmlun2e6WoeX3mI/D12AUg== X-Received: by 2002:a63:5a44:0:b0:412:7bee:d757 with SMTP id k4-20020a635a44000000b004127beed757mr20003566pgm.419.1657614857037; Tue, 12 Jul 2022 01:34:17 -0700 (PDT) Received: from [10.72.12.111] ([209.132.188.80]) by smtp.gmail.com with ESMTPSA id iw11-20020a170903044b00b0016a0bf0ce32sm6145115plb.70.2022.07.12.01.34.14 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 12 Jul 2022 01:34:16 -0700 (PDT) Message-ID: Date: Tue, 12 Jul 2022 16:34:11 +0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:91.0) Gecko/20100101 Thunderbird/91.11.0 Subject: Re: [RFC PATCH 0/6] virtio_test: add support for vhost-vdpa Content-Language: en-US To: Stefano Garzarella , virtualization@lists.linux-foundation.org Cc: "Michael S. Tsirkin" , linux-kernel@vger.kernel.org, =?UTF-8?Q?Eugenio_P=c3=a9rez?= References: <20220704171701.127665-1-sgarzare@redhat.com> From: Jason Wang In-Reply-To: <20220704171701.127665-1-sgarzare@redhat.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 在 2022/7/5 01:16, Stefano Garzarella 写道: > The first 3 patches fix various problems I have encountered with > virtio_test (they may go without this series, but I included to allow you > to test the series). > > Patch 4 is in preparation of patch 5, moving the feature negotiation when > we initialize the device. > > Patch 5 add the support of vhost-vdpa in virtio_test > > Patch 6 add vdpa_test.ko based on vdpa_sim_test.c, so we can reuse most of > the code coming from the vdpa_sim framework. > > I tested in this way: > > $ modprobe vdpa_sim > $ modprobe vhost-vdpa > > # load the vdpasim_test device > $ insmod vdpa_test.ko > > # create a new vdpasim_test device > $ vdpa dev add mgmtdev vdpasim_test name dev0 I wonder what's the benefit of using a dedicated test device other than networking? (already a loopback device anyhow). Thanks > > # run the test using the /dev/vhost-vdpa-0 device > $ ./virtio_test --vdpa /dev/vhost-vdpa-0 > spurious wakeups: 0x0 started=0x100000 completed=0x100000 > > Comments and suggestions are welcome :-) > > Thanks, > Stefano > > Stefano Garzarella (6): > tools/virtio: fix build > vhost_test: add $(srctree) on the included path > virtio_test: call __virtio_unbreak_device > tools/virtio: move feature negotiation in vdev_info_init() > virtio_test: support vhost-vdpa device > vdpasim: add vdpa_sim_test module > > tools/virtio/linux/kernel.h | 2 +- > tools/virtio/linux/virtio.h | 2 + > tools/virtio/linux/vringh.h | 1 + > drivers/vdpa/vdpa_sim/vdpa_sim_test.c | 203 ++++++++++++++++++++++++++ > tools/virtio/vdpa_test/vdpa_test.c | 1 + > tools/virtio/virtio_test.c | 131 ++++++++++++++--- > tools/virtio/Makefile | 32 +++- > tools/virtio/vdpa_test/Makefile | 3 + > tools/virtio/vhost_test/Makefile | 2 +- > 9 files changed, 350 insertions(+), 27 deletions(-) > create mode 100644 drivers/vdpa/vdpa_sim/vdpa_sim_test.c > create mode 100644 tools/virtio/vdpa_test/vdpa_test.c > create mode 100644 tools/virtio/vdpa_test/Makefile > 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 Received: from smtp3.osuosl.org (smtp3.osuosl.org [140.211.166.136]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 70E9EC433EF for ; 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