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 EE9F2C0650F for ; Tue, 30 Jul 2019 17:29:01 +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 C74692089E for ; Tue, 30 Jul 2019 17:29:01 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C74692089E 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]:34926 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hsVvp-0005Kn-3R for qemu-devel@archiver.kernel.org; Tue, 30 Jul 2019 13:29:01 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:33047) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hsVqu-000316-Bo for qemu-devel@nongnu.org; Tue, 30 Jul 2019 13:23:57 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hsVqt-0001ZE-3g for qemu-devel@nongnu.org; Tue, 30 Jul 2019 13:23:56 -0400 Received: from mx1.redhat.com ([209.132.183.28]:35822) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hsVqn-0001VT-Ls; Tue, 30 Jul 2019 13:23:50 -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 E3E154E924; Tue, 30 Jul 2019 17:23:48 +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 F288160BE5; Tue, 30 Jul 2019 17:23:43 +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 19:21:37 +0200 Message-Id: <20190730172137.23114-16-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 [10.5.110.38]); Tue, 30 Jul 2019 17:23:49 +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 15/15] hw/arm/virt: Add the virtio-iommu device tree mappings 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" Adds the "virtio,pci-iommu" node in the host bridge node and the RID mapping, excluding the IOMMU RID. Signed-off-by: Eric Auger --- v8 -> v9: - disable msi-bypass property - addition of the subnode is handled is the hotplug handler and IOMMU RID is notimposed anymore v6 -> v7: - align to the smmu instantiation code v4 -> v5: - VirtMachineClass no_iommu added in this patch - Use object_resolve_path_type --- hw/arm/virt.c | 54 +++++++++++++++++++++++++++++++++++++------ include/hw/arm/virt.h | 2 ++ 2 files changed, 49 insertions(+), 7 deletions(-) diff --git a/hw/arm/virt.c b/hw/arm/virt.c index d9496c9363..8f6bcba99e 100644 --- a/hw/arm/virt.c +++ b/hw/arm/virt.c @@ -32,6 +32,7 @@ #include "qemu-common.h" #include "qemu/units.h" #include "qemu/option.h" +#include "monitor/qdev.h" #include "qapi/error.h" #include "hw/sysbus.h" #include "hw/arm/boot.h" @@ -52,6 +53,7 @@ #include "qemu/error-report.h" #include "qemu/module.h" #include "hw/pci-host/gpex.h" +#include "hw/virtio/virtio-pci.h" #include "hw/arm/sysbus-fdt.h" #include "hw/platform-bus.h" #include "hw/arm/fdt.h" @@ -64,6 +66,7 @@ #include "hw/arm/smmuv3.h" #include "hw/acpi/acpi.h" #include "target/arm/internals.h" +#include "hw/virtio/virtio-iommu.h" =20 #define DEFINE_VIRT_MACHINE_LATEST(major, minor, latest) \ static void virt_##major##_##minor##_class_init(ObjectClass *oc, \ @@ -1147,6 +1150,30 @@ static void create_smmu(const VirtMachineState *vm= s, qemu_irq *pic, g_free(node); } =20 +static void create_virtio_iommu(VirtMachineState *vms, Error **errp) +{ + const char compat[] =3D "virtio,pci-iommu"; + uint16_t bdf =3D vms->virtio_iommu_bdf; + char *node; + + vms->iommu_phandle =3D qemu_fdt_alloc_phandle(vms->fdt); + + node =3D g_strdup_printf("%s/virtio_iommu@%d", vms->pciehb_nodename,= bdf); + qemu_fdt_add_subnode(vms->fdt, node); + qemu_fdt_setprop(vms->fdt, node, "compatible", compat, sizeof(compat= )); + qemu_fdt_setprop_sized_cells(vms->fdt, node, "reg", + 1, bdf << 8, 1, 0, 1, 0, + 1, 0, 1, 0); + + qemu_fdt_setprop_cell(vms->fdt, node, "#iommu-cells", 1); + qemu_fdt_setprop_cell(vms->fdt, node, "phandle", vms->iommu_phandle)= ; + g_free(node); + + qemu_fdt_setprop_cells(vms->fdt, vms->pciehb_nodename, "iommu-map", + 0x0, vms->iommu_phandle, 0x0, bdf, + bdf + 1, vms->iommu_phandle, bdf + 1, 0xffff = - bdf); +} + static void create_pcie(VirtMachineState *vms, qemu_irq *pic) { hwaddr base_mmio =3D vms->memmap[VIRT_PCIE_MMIO].base; @@ -1224,7 +1251,7 @@ static void create_pcie(VirtMachineState *vms, qemu= _irq *pic) } } =20 - nodename =3D g_strdup_printf("/pcie@%" PRIx64, base); + nodename =3D vms->pciehb_nodename =3D g_strdup_printf("/pcie@%" PRIx= 64, base); qemu_fdt_add_subnode(vms->fdt, nodename); qemu_fdt_setprop_string(vms->fdt, nodename, "compatible", "pci-host-ecam-generic"); @@ -1267,13 +1294,17 @@ static void create_pcie(VirtMachineState *vms, qe= mu_irq *pic) if (vms->iommu) { vms->iommu_phandle =3D qemu_fdt_alloc_phandle(vms->fdt); =20 - create_smmu(vms, pic, pci->bus); + switch (vms->iommu) { + case VIRT_IOMMU_SMMUV3: + create_smmu(vms, pic, pci->bus); + qemu_fdt_setprop_cells(vms->fdt, nodename, "iommu-map", + 0x0, vms->iommu_phandle, 0x0, 0x10000= ); + break; + default: + g_assert_not_reached(); + } =20 - qemu_fdt_setprop_cells(vms->fdt, nodename, "iommu-map", - 0x0, vms->iommu_phandle, 0x0, 0x10000); } - - g_free(nodename); } =20 static void create_platform_bus(VirtMachineState *vms, qemu_irq *pic) @@ -1882,12 +1913,21 @@ static void virt_machine_device_plug_cb(HotplugHa= ndler *hotplug_dev, SYS_BUS_DEVICE(dev)); } } + if (object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_IOMMU_PCI)) { + PCIDevice *pdev =3D PCI_DEVICE(dev); + + vms->iommu =3D VIRT_IOMMU_VIRTIO; + vms->virtio_iommu_bdf =3D pci_get_bdf(pdev); + object_property_set_bool(OBJECT(dev), false, "msi-bypass", errp)= ; + create_virtio_iommu(vms, errp); + } } =20 static HotplugHandler *virt_machine_get_hotplug_handler(MachineState *ma= chine, DeviceState *dev= ) { - if (object_dynamic_cast(OBJECT(dev), TYPE_SYS_BUS_DEVICE)) { + if (object_dynamic_cast(OBJECT(dev), TYPE_SYS_BUS_DEVICE) || + object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_IOMMU_PCI)) { return HOTPLUG_HANDLER(machine); } =20 diff --git a/include/hw/arm/virt.h b/include/hw/arm/virt.h index a72094204e..abdee94f3a 100644 --- a/include/hw/arm/virt.h +++ b/include/hw/arm/virt.h @@ -121,8 +121,10 @@ typedef struct { bool virt; int32_t gic_version; VirtIOMMUType iommu; + uint16_t virtio_iommu_bdf; struct arm_boot_info bootinfo; MemMapEntry *memmap; + char *pciehb_nodename; const int *irqmap; int smp_cpus; void *fdt; --=20 2.20.1