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=-6.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,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 D556AC433DF for ; Mon, 6 Jul 2020 15:29:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B0E09206E2 for ; Mon, 6 Jul 2020 15:29:14 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="AmJ9U+Ot" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729353AbgGFP3N (ORCPT ); Mon, 6 Jul 2020 11:29:13 -0400 Received: from us-smtp-1.mimecast.com ([207.211.31.81]:58826 "EHLO us-smtp-delivery-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1729197AbgGFP3N (ORCPT ); Mon, 6 Jul 2020 11:29:13 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1594049352; 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=fue+J+SZ+TQDmSB0+3L8vErWlImPiK/hYfN6zC83Q4g=; b=AmJ9U+Ot+UkZHcaEnjDX0DRmMOwJjduW4a2lILXR++zJn7cCvstbz9XYcxphLv5Gi7J6yn JOuR1peAUtOkSeyjCHCyROHgxFZ+dhRA20BfV8T/9igDKG/Lw8XHWz3PCB/oWZhCLDBMSK pPp3gEsadSlS5Uy7LPEFqF5+vRVsQ0A= 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-333-0DfCHj40NE-sE7mqyIK4mQ-1; Mon, 06 Jul 2020 11:29:08 -0400 X-MC-Unique: 0DfCHj40NE-sE7mqyIK4mQ-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 0E993107B274; Mon, 6 Jul 2020 15:29:07 +0000 (UTC) Received: from gondolin (ovpn-112-234.ams2.redhat.com [10.36.112.234]) by smtp.corp.redhat.com (Postfix) with ESMTP id 5EF46275E3D; Mon, 6 Jul 2020 15:28:54 +0000 (UTC) Date: Mon, 6 Jul 2020 17:28:51 +0200 From: Cornelia Huck To: David Hildenbrand Cc: qemu-devel@nongnu.org, Pankaj Gupta , Eduardo Habkost , kvm@vger.kernel.org, "Michael S . Tsirkin" , "Dr . David Alan Gilbert" , qemu-s390x@nongnu.org, Marcel Apfelbaum , Igor Mammedov , Paolo Bonzini , Richard Henderson Subject: Re: [PATCH v5 11/21] virtio-pci: Proxy for virtio-mem Message-ID: <20200706172851.2d3062d9.cohuck@redhat.com> In-Reply-To: <20200626072248.78761-12-david@redhat.com> References: <20200626072248.78761-1-david@redhat.com> <20200626072248.78761-12-david@redhat.com> Organization: Red Hat GmbH MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org On Fri, 26 Jun 2020 09:22:38 +0200 David Hildenbrand wrote: > Let's add a proxy for virtio-mem, make it a memory device, and > pass-through the properties. > > Reviewed-by: Pankaj Gupta > Cc: "Michael S. Tsirkin" > Cc: Marcel Apfelbaum > Cc: "Dr. David Alan Gilbert" > Cc: Igor Mammedov > Signed-off-by: David Hildenbrand > --- > hw/virtio/Makefile.objs | 1 + > hw/virtio/virtio-mem-pci.c | 129 +++++++++++++++++++++++++++++++++++++ > hw/virtio/virtio-mem-pci.h | 33 ++++++++++ > include/hw/pci/pci.h | 1 + > 4 files changed, 164 insertions(+) > create mode 100644 hw/virtio/virtio-mem-pci.c > create mode 100644 hw/virtio/virtio-mem-pci.h (...) > diff --git a/hw/virtio/virtio-mem-pci.c b/hw/virtio/virtio-mem-pci.c > new file mode 100644 > index 0000000000..b325303b32 > --- /dev/null > +++ b/hw/virtio/virtio-mem-pci.c > @@ -0,0 +1,129 @@ > +/* > + * Virtio MEM PCI device > + * > + * Copyright (C) 2020 Red Hat, Inc. > + * > + * Authors: > + * David Hildenbrand > + * > + * This work is licensed under the terms of the GNU GPL, version 2. > + * See the COPYING file in the top-level directory. > + */ > + > +#include "qemu/osdep.h" > +#include "virtio-mem-pci.h" > +#include "hw/mem/memory-device.h" > +#include "qapi/error.h" > + > +static void virtio_mem_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp) > +{ > + VirtIOMEMPCI *mem_pci = VIRTIO_MEM_PCI(vpci_dev); > + DeviceState *vdev = DEVICE(&mem_pci->vdev); > + As we were having that discussion for other devices recently: I think you want to use virtio_pci_force_virtio_1(vpci_dev); here. (Or do it via the names in the type, as virtio-fs does, but I think I like forcing it better.) > + qdev_set_parent_bus(vdev, BUS(&vpci_dev->bus)); > + object_property_set_bool(OBJECT(vdev), true, "realized", errp); > +}