From nobody Wed Nov 12 10:12:58 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1569840834; cv=none; d=zoho.com; s=zohoarc; b=PgGB+bxFZvktD61S838CsheVhFyBCGE9/KmiLvqLGE6Xrq/ejSGRYvn13tS6rHA4T8YkOWoPLHHExK2z/rt52/rjsq9zF5b/2jsGDXX99Y45dUDSuKnS1yawopuUrni+FiDCK7Mlx+Vwht9CYNFe1f9PLCt+GGin0WLgxM9YBHI= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1569840834; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=vVF4iL3fZy9GAlSBCsBooND49DqklrplwyoCVYokKMM=; b=hvbm0DxcRc6rA3qN18s7MlZRD1mxloyQBnJ5gSqP6ujfylrhWArlKwtY6YEnm0HogUrMSTa2MozSpQ1+e9dYi+6NAbuH8iVtSHpFH61je13v0Z6Z6FZkkuZCWG684R2tt+0AAsobWDgMsZl89AKc/RJ7K3lZpBTmYUTbhoV8l7o= ARC-Authentication-Results: i=1; mx.zoho.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1569840834779746.141035872146; Mon, 30 Sep 2019 03:53:54 -0700 (PDT) Received: from localhost ([::1]:48578 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iEtJO-0005gn-5Z for importer@patchew.org; Mon, 30 Sep 2019 06:53:50 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:45612) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iEtHT-0004JW-2O for qemu-devel@nongnu.org; Mon, 30 Sep 2019 06:51:53 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iEtHR-0003gZ-NB for qemu-devel@nongnu.org; Mon, 30 Sep 2019 06:51:50 -0400 Received: from mx1.redhat.com ([209.132.183.28]:55406) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1iEtHR-0003gI-El for qemu-devel@nongnu.org; Mon, 30 Sep 2019 06:51:49 -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 mx1.redhat.com (Postfix) with ESMTPS id B948BA44AD8 for ; Mon, 30 Sep 2019 10:51:48 +0000 (UTC) Received: from dgilbert-t580.localhost (ovpn-117-232.ams2.redhat.com [10.36.117.232]) by smtp.corp.redhat.com (Postfix) with ESMTP id 6B1A75D9C9; Mon, 30 Sep 2019 10:51:47 +0000 (UTC) From: "Dr. David Alan Gilbert (git)" To: qemu-devel@nongnu.org, mst@redhat.com Subject: [PATCH v4 3/3] virtio: add vhost-user-fs-pci device Date: Mon, 30 Sep 2019 11:51:35 +0100 Message-Id: <20190930105135.27244-4-dgilbert@redhat.com> In-Reply-To: <20190930105135.27244-1-dgilbert@redhat.com> References: <20190930105135.27244-1-dgilbert@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.6.2 (mx1.redhat.com [10.5.110.68]); Mon, 30 Sep 2019 10:51:48 +0000 (UTC) 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: 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: mszeredi@redhat.com, cohuck@redhat.com, vgoyal@redhat.com, stefanha@redhat.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" From: "Dr. David Alan Gilbert" Add the PCI version of vhost-user-fs. Launch QEMU like this: qemu -chardev socket,path=3D/tmp/vhost-fs.sock,id=3Dchr0 -device vhost-user-fs-pci,tag=3Dmyfs,chardev=3Dchr0 Signed-off-by: Stefan Hajnoczi Signed-off-by: Sebastien Boeuf Signed-off-by: Dr. David Alan Gilbert Reviewed-by: Cornelia Huck --- hw/virtio/Makefile.objs | 1 + hw/virtio/vhost-user-fs-pci.c | 85 +++++++++++++++++++++++++++++++++++ 2 files changed, 86 insertions(+) create mode 100644 hw/virtio/vhost-user-fs-pci.c diff --git a/hw/virtio/Makefile.objs b/hw/virtio/Makefile.objs index 47ffbf22c4..e2f70fbb89 100644 --- a/hw/virtio/Makefile.objs +++ b/hw/virtio/Makefile.objs @@ -15,6 +15,7 @@ obj-$(CONFIG_VHOST_USER_FS) +=3D vhost-user-fs.o obj-$(call land,$(CONFIG_VIRTIO_CRYPTO),$(CONFIG_VIRTIO_PCI)) +=3D virtio-= crypto-pci.o obj-$(CONFIG_VIRTIO_PMEM) +=3D virtio-pmem.o common-obj-$(call land,$(CONFIG_VIRTIO_PMEM),$(CONFIG_VIRTIO_PCI)) +=3D vi= rtio-pmem-pci.o +obj-$(call land,$(CONFIG_VHOST_USER_FS),$(CONFIG_VIRTIO_PCI)) +=3D vhost-u= ser-fs-pci.o obj-$(CONFIG_VHOST_VSOCK) +=3D vhost-vsock.o =20 ifeq ($(CONFIG_VIRTIO_PCI),y) diff --git a/hw/virtio/vhost-user-fs-pci.c b/hw/virtio/vhost-user-fs-pci.c new file mode 100644 index 0000000000..933a3f265b --- /dev/null +++ b/hw/virtio/vhost-user-fs-pci.c @@ -0,0 +1,85 @@ +/* + * Vhost-user filesystem virtio device PCI glue + * + * Copyright 2018-2019 Red Hat, Inc. + * + * Authors: + * Dr. David Alan Gilbert + * + * This work is licensed under the terms of the GNU GPL, version 2 or + * (at your option) any later version. See the COPYING file in the + * top-level directory. + */ + +#include "qemu/osdep.h" +#include "hw/qdev-properties.h" +#include "hw/virtio/vhost-user-fs.h" +#include "virtio-pci.h" + +struct VHostUserFSPCI { + VirtIOPCIProxy parent_obj; + VHostUserFS vdev; +}; + +typedef struct VHostUserFSPCI VHostUserFSPCI; + +#define TYPE_VHOST_USER_FS_PCI "vhost-user-fs-pci-base" + +#define VHOST_USER_FS_PCI(obj) \ + OBJECT_CHECK(VHostUserFSPCI, (obj), TYPE_VHOST_USER_FS_PCI) + +static Property vhost_user_fs_pci_properties[] =3D { + DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors, + DEV_NVECTORS_UNSPECIFIED), + DEFINE_PROP_END_OF_LIST(), +}; + +static void vhost_user_fs_pci_realize(VirtIOPCIProxy *vpci_dev, Error **er= rp) +{ + VHostUserFSPCI *dev =3D VHOST_USER_FS_PCI(vpci_dev); + DeviceState *vdev =3D DEVICE(&dev->vdev); + + if (vpci_dev->nvectors =3D=3D DEV_NVECTORS_UNSPECIFIED) { + vpci_dev->nvectors =3D dev->vdev.conf.num_request_queues + 1; + } + + qdev_set_parent_bus(vdev, BUS(&vpci_dev->bus)); + object_property_set_bool(OBJECT(vdev), true, "realized", errp); +} + +static void vhost_user_fs_pci_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc =3D DEVICE_CLASS(klass); + VirtioPCIClass *k =3D VIRTIO_PCI_CLASS(klass); + PCIDeviceClass *pcidev_k =3D PCI_DEVICE_CLASS(klass); + k->realize =3D vhost_user_fs_pci_realize; + set_bit(DEVICE_CATEGORY_STORAGE, dc->categories); + dc->props =3D vhost_user_fs_pci_properties; + pcidev_k->vendor_id =3D PCI_VENDOR_ID_REDHAT_QUMRANET; + pcidev_k->device_id =3D 0; /* Set by virtio-pci based on virtio id */ + pcidev_k->revision =3D 0x00; + pcidev_k->class_id =3D PCI_CLASS_STORAGE_OTHER; +} + +static void vhost_user_fs_pci_instance_init(Object *obj) +{ + VHostUserFSPCI *dev =3D VHOST_USER_FS_PCI(obj); + + virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), + TYPE_VHOST_USER_FS); +} + +static const VirtioPCIDeviceTypeInfo vhost_user_fs_pci_info =3D { + .base_name =3D TYPE_VHOST_USER_FS_PCI, + .non_transitional_name =3D "vhost-user-fs-pci", + .instance_size =3D sizeof(VHostUserFSPCI), + .instance_init =3D vhost_user_fs_pci_instance_init, + .class_init =3D vhost_user_fs_pci_class_init, +}; + +static void vhost_user_fs_pci_register(void) +{ + virtio_pci_types_register(&vhost_user_fs_pci_info); +} + +type_init(vhost_user_fs_pci_register); --=20 2.21.0