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=-6.8 required=3.0 tests=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 8BB5CC0650F for ; Tue, 30 Jul 2019 17:32:25 +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 6ABA3208E3 for ; Tue, 30 Jul 2019 17:32:25 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6ABA3208E3 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+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:35004 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hsVz6-0003tb-Lb for qemu-devel@archiver.kernel.org; Tue, 30 Jul 2019 13:32:24 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:33030) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hsVqs-0002y8-Rf for qemu-devel@nongnu.org; Tue, 30 Jul 2019 13:23:56 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hsVqr-0001Xv-HY for qemu-devel@nongnu.org; Tue, 30 Jul 2019 13:23:54 -0400 Received: from mx1.redhat.com ([209.132.183.28]:45132) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hsVqi-0001Sr-Tw; Tue, 30 Jul 2019 13:23:45 -0400 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 9C67C3C93; Tue, 30 Jul 2019 17:23:43 +0000 (UTC) Received: from laptop.redhat.com (ovpn-116-49.ams2.redhat.com [10.36.116.49]) by smtp.corp.redhat.com (Postfix) with ESMTP id 99F7A60BE5; Tue, 30 Jul 2019 17:23:38 +0000 (UTC) From: Eric Auger To: eric.auger.pro@gmail.com, eric.auger@redhat.com, qemu-devel@nongnu.org, qemu-arm@nongnu.org, mst@redhat.com, peter.maydell@linaro.org, alex.williamson@redhat.com, jean-philippe@linaro.org, kevin.tian@intel.com Date: Tue, 30 Jul 2019 19:21:36 +0200 Message-Id: <20190730172137.23114-15-eric.auger@redhat.com> In-Reply-To: <20190730172137.23114-1-eric.auger@redhat.com> References: <20190730172137.23114-1-eric.auger@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.29]); Tue, 30 Jul 2019 17:23:43 +0000 (UTC) Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH for-4.2 v10 14/15] virtio-iommu-pci: Add virtio iommu pci support 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: tn@semihalf.com, bharat.bhushan@nxp.com, peterx@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Archived-At: List-Archive: This patch adds virtio-iommu-pci, which is the pci proxy for the virtio-iommu device. Signed-off-by: Eric Auger --- v8 -> v9: - add the msi-bypass property - create virtio-iommu-pci.c --- hw/virtio/Makefile.objs | 1 + hw/virtio/virtio-iommu-pci.c | 88 ++++++++++++++++++++++++++++++++ include/hw/pci/pci.h | 1 + include/hw/virtio/virtio-iommu.h | 1 + qdev-monitor.c | 1 + 5 files changed, 92 insertions(+) create mode 100644 hw/virtio/virtio-iommu-pci.c diff --git a/hw/virtio/Makefile.objs b/hw/virtio/Makefile.objs index f42e4dd94f..80ca719f1c 100644 --- a/hw/virtio/Makefile.objs +++ b/hw/virtio/Makefile.objs @@ -27,6 +27,7 @@ obj-$(CONFIG_VIRTIO_INPUT_HOST) +=3D virtio-input-host-= pci.o obj-$(CONFIG_VIRTIO_INPUT) +=3D virtio-input-pci.o obj-$(CONFIG_VIRTIO_RNG) +=3D virtio-rng-pci.o obj-$(CONFIG_VIRTIO_BALLOON) +=3D virtio-balloon-pci.o +obj-$(CONFIG_VIRTIO_IOMMU) +=3D virtio-iommu-pci.o obj-$(CONFIG_VIRTIO_9P) +=3D virtio-9p-pci.o obj-$(CONFIG_VIRTIO_SCSI) +=3D virtio-scsi-pci.o obj-$(CONFIG_VIRTIO_BLK) +=3D virtio-blk-pci.o diff --git a/hw/virtio/virtio-iommu-pci.c b/hw/virtio/virtio-iommu-pci.c new file mode 100644 index 0000000000..f9977096bd --- /dev/null +++ b/hw/virtio/virtio-iommu-pci.c @@ -0,0 +1,88 @@ +/* + * Virtio IOMMU PCI Bindings + * + * Copyright (c) 2019 Red Hat, Inc. + * Written by Eric Auger + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 or + * (at your option) any later version. + */ + +#include "qemu/osdep.h" + +#include "virtio-pci.h" +#include "hw/virtio/virtio-iommu.h" + +typedef struct VirtIOIOMMUPCI VirtIOIOMMUPCI; + +/* + * virtio-iommu-pci: This extends VirtioPCIProxy. + * + */ +#define VIRTIO_IOMMU_PCI(obj) \ + OBJECT_CHECK(VirtIOIOMMUPCI, (obj), TYPE_VIRTIO_IOMMU_PCI) + +struct VirtIOIOMMUPCI { + VirtIOPCIProxy parent_obj; + VirtIOIOMMU vdev; +}; + +static Property virtio_iommu_pci_properties[] =3D { + DEFINE_PROP_UINT32("class", VirtIOPCIProxy, class_code, 0), + DEFINE_PROP_BOOL("msi-bypass", VirtIOIOMMUPCI, vdev.msi_bypass, true= ), + DEFINE_PROP_END_OF_LIST(), +}; + +static void virtio_iommu_pci_realize(VirtIOPCIProxy *vpci_dev, Error **e= rrp) +{ + VirtIOIOMMUPCI *dev =3D VIRTIO_IOMMU_PCI(vpci_dev); + DeviceState *vdev =3D DEVICE(&dev->vdev); + + qdev_set_parent_bus(vdev, BUS(&vpci_dev->bus)); + object_property_set_link(OBJECT(dev), + OBJECT(pci_get_bus(&vpci_dev->pci_dev)), + "primary-bus", errp); + object_property_set_bool(OBJECT(vdev), true, "realized", errp); +} + +static void virtio_iommu_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 virtio_iommu_pci_realize; + set_bit(DEVICE_CATEGORY_MISC, dc->categories); + dc->props =3D virtio_iommu_pci_properties; + pcidev_k->vendor_id =3D PCI_VENDOR_ID_REDHAT_QUMRANET; + pcidev_k->device_id =3D PCI_DEVICE_ID_VIRTIO_IOMMU; + pcidev_k->revision =3D VIRTIO_PCI_ABI_VERSION; + pcidev_k->class_id =3D PCI_CLASS_OTHERS; +} + +static void virtio_iommu_pci_instance_init(Object *obj) +{ + VirtIOIOMMUPCI *dev =3D VIRTIO_IOMMU_PCI(obj); + + virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev), + TYPE_VIRTIO_IOMMU); +} + +static const VirtioPCIDeviceTypeInfo virtio_iommu_pci_info =3D { + .base_name =3D TYPE_VIRTIO_IOMMU_PCI, + .generic_name =3D "virtio-iommu-pci", + .transitional_name =3D "virtio-iommu-pci-transitional", + .non_transitional_name =3D "virtio-iommu-pci-non-transitional", + .instance_size =3D sizeof(VirtIOIOMMUPCI), + .instance_init =3D virtio_iommu_pci_instance_init, + .class_init =3D virtio_iommu_pci_class_init, +}; + +static void virtio_iommu_pci_register(void) +{ + virtio_pci_types_register(&virtio_iommu_pci_info); +} + +type_init(virtio_iommu_pci_register) + + diff --git a/include/hw/pci/pci.h b/include/hw/pci/pci.h index aaf1b9f70d..492ea7e68d 100644 --- a/include/hw/pci/pci.h +++ b/include/hw/pci/pci.h @@ -86,6 +86,7 @@ extern bool pci_available; #define PCI_DEVICE_ID_VIRTIO_9P 0x1009 #define PCI_DEVICE_ID_VIRTIO_VSOCK 0x1012 #define PCI_DEVICE_ID_VIRTIO_PMEM 0x1013 +#define PCI_DEVICE_ID_VIRTIO_IOMMU 0x1014 =20 #define PCI_VENDOR_ID_REDHAT 0x1b36 #define PCI_DEVICE_ID_REDHAT_BRIDGE 0x0001 diff --git a/include/hw/virtio/virtio-iommu.h b/include/hw/virtio/virtio-= iommu.h index 56c8b4e57f..893ac65c0b 100644 --- a/include/hw/virtio/virtio-iommu.h +++ b/include/hw/virtio/virtio-iommu.h @@ -25,6 +25,7 @@ #include "hw/pci/pci.h" =20 #define TYPE_VIRTIO_IOMMU "virtio-iommu-device" +#define TYPE_VIRTIO_IOMMU_PCI "virtio-iommu-device-base" #define VIRTIO_IOMMU(obj) \ OBJECT_CHECK(VirtIOIOMMU, (obj), TYPE_VIRTIO_IOMMU) =20 diff --git a/qdev-monitor.c b/qdev-monitor.c index 58222c2211..74cf090c61 100644 --- a/qdev-monitor.c +++ b/qdev-monitor.c @@ -63,6 +63,7 @@ static const QDevAlias qdev_alias_table[] =3D { { "virtio-input-host-ccw", "virtio-input-host", QEMU_ARCH_S390X }, { "virtio-input-host-pci", "virtio-input-host", QEMU_ARCH_ALL & ~QEMU_ARCH_S390X }, + { "virtio-iommu-pci", "virtio-iommu", QEMU_ARCH_ALL & ~QEMU_ARCH_S39= 0X }, { "virtio-keyboard-ccw", "virtio-keyboard", QEMU_ARCH_S390X }, { "virtio-keyboard-pci", "virtio-keyboard", QEMU_ARCH_ALL & ~QEMU_ARCH_S390X }, --=20 2.20.1