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=-6.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no 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 CE01FC432BE for ; Tue, 31 Aug 2021 04:34:32 +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 439CD600CD for ; Tue, 31 Aug 2021 04:34:32 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 439CD600CD Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=nongnu.org Received: from localhost ([::1]:49424 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mKvTj-0001ts-2l for qemu-devel@archiver.kernel.org; Tue, 31 Aug 2021 00:34:31 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:47622) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mKvSc-0001DY-Hw for qemu-devel@nongnu.org; Tue, 31 Aug 2021 00:33:22 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:46942) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mKvSY-0001Td-7F for qemu-devel@nongnu.org; Tue, 31 Aug 2021 00:33:20 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1630384394; 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: in-reply-to:in-reply-to:references:references; bh=ZnXVKSmb/JS7FFuO7BGWgEJHkrl/h5Ig7wel8Ew4V1I=; b=cANg9SxD2IjgUm2TihWdWmlsVha2xAV22rB3Xb0ban0fuGhfDiH0GWDpp7TSnBWsYpx0dG 6wZuW5sBXkiAJ2T2KFWm73q4EE8GPTcmKgVv65e/b9SCkwU33RGcUN5iHNHNVdLamOmt+u K0PBEyB7xUilNAHbSZaS4CdIeiWXk1c= 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-324-dnyAi_FYN2mX4ZezNWfgnA-1; Tue, 31 Aug 2021 00:33:12 -0400 X-MC-Unique: dnyAi_FYN2mX4ZezNWfgnA-1 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id C0E4A1008060; Tue, 31 Aug 2021 04:33:11 +0000 (UTC) Received: from sirius.home.kraxel.org (unknown [10.39.192.91]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 8A5775C1A1; Tue, 31 Aug 2021 04:33:11 +0000 (UTC) Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id B19871800386; Tue, 31 Aug 2021 06:33:09 +0200 (CEST) Date: Tue, 31 Aug 2021 06:33:09 +0200 From: Gerd Hoffmann To: Michael Tokarev Subject: Re: usage of virtio-blk-device etc (microvm?) Message-ID: <20210831043309.apcno22at6hfk6so@sirius.home.kraxel.org> References: <95fd8301-713e-fa88-36e0-072860b88e63@msgid.tls.msk.ru> MIME-Version: 1.0 In-Reply-To: <95fd8301-713e-fa88-36e0-072860b88e63@msgid.tls.msk.ru> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=kraxel@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Received-SPF: pass client-ip=170.10.133.124; envelope-from=kraxel@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -31 X-Spam_score: -3.2 X-Spam_bar: --- X-Spam_report: (-3.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.391, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no 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: qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Hi, > In particular, I wasn't able to have a hdd in the virtual machine > using virtio-blk-device like this: > > -drive file=foo,if=none,id=drv -device virtio-blk-device,drive=drv > > What modules/options are needed within linux guest to see such a > drive? By loading just virtio-blk module (which loads all its > dependencies) the drive isn't becoming available, like it usually > happens after loading virtio-pci with the pci version of virtio-blk. You need both virtio-mmio.ko (transport) and virtio-blk.ko (device). > Also, is there a way to use virtio-blk-device with, say, q35 machine > type? No. take care, Gerd