From patchwork Fri Nov 22 18:29:34 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric Auger X-Patchwork-Id: 1199597 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.b="jWJtKaRF"; dkim-atps=neutral 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 ozlabs.org (Postfix) with ESMTPS id 47KQLS0MRcz9sPV for ; Sat, 23 Nov 2019 05:43:44 +1100 (AEDT) Received: from localhost ([::1]:54200 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iYDu9-0004j3-H0 for incoming@patchwork.ozlabs.org; Fri, 22 Nov 2019 13:43:41 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:39960) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iYDiN-0000gJ-MI for qemu-devel@nongnu.org; Fri, 22 Nov 2019 13:31:33 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iYDiM-0000MK-4S for qemu-devel@nongnu.org; Fri, 22 Nov 2019 13:31:31 -0500 Received: from us-smtp-1.mimecast.com ([207.211.31.81]:24188 helo=us-smtp-delivery-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1iYDiL-0000MF-W2 for qemu-devel@nongnu.org; Fri, 22 Nov 2019 13:31:30 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1574447489; 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=iuvJrdkj+jiCFJbEGxVZxnxKHKNSAoCsIkt5jQKyK5o=; b=jWJtKaRFKzWYErKHu+NKIS8j4zrVCw79cB5rnpYbIldoEb8qtn8U3aoj4sK81Cx8pQx/tg UIKIM0Tz6DRpB78TSSzjbJEJ+E0N4Ca01b5dMaHozSEcrDkBZyqE99XOpjZWIPEQqyUZ1R 7N67OKwR/gzqeuUQ+iSzRE/Nt/sA8/0= 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-fj9fONsDO5ePGKTNViJrCw-1; Fri, 22 Nov 2019 13:31:27 -0500 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 mimecast-mx01.redhat.com (Postfix) with ESMTPS id 6E08F8018A1; Fri, 22 Nov 2019 18:31:25 +0000 (UTC) Received: from laptop.redhat.com (ovpn-116-37.ams2.redhat.com [10.36.116.37]) by smtp.corp.redhat.com (Postfix) with ESMTP id F3CFE6E712; Fri, 22 Nov 2019 18:31:14 +0000 (UTC) From: Eric Auger To: eric.auger.pro@gmail.com, eric.auger@redhat.com, qemu-devel@nongnu.org, qemu-arm@nongnu.org, peter.maydell@linaro.org, mst@redhat.com, armbru@redhat.com, jean-philippe.brucker@arm.com, bharatb.linux@gmail.com, yang.zhong@intel.com, dgilbert@redhat.com, quintela@redhat.com Subject: [PATCH for-5.0 v11 11/20] hw/arm/virt: Add the virtio-iommu device tree mappings Date: Fri, 22 Nov 2019 19:29:34 +0100 Message-Id: <20191122182943.4656-12-eric.auger@redhat.com> In-Reply-To: <20191122182943.4656-1-eric.auger@redhat.com> References: <20191122182943.4656-1-eric.auger@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 X-MC-Unique: fj9fONsDO5ePGKTNViJrCw-1 X-Mimecast-Spam-Score: 0 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 207.211.31.81 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: kevin.tian@intel.com, peterx@redhat.com, tnowicki@marvell.com Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.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 Reviewed-by: Jean-Philippe Brucker --- v10 -> v11: - remove msi_bypass 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 | 53 +++++++++++++++++++++++++++++++----- hw/virtio/virtio-iommu-pci.c | 3 -- include/hw/arm/virt.h | 2 ++ 3 files changed, 48 insertions(+), 10 deletions(-) diff --git a/hw/arm/virt.c b/hw/arm/virt.c index d4bedc2607..cb6a95e7c8 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/boards.h" @@ -54,6 +55,7 @@ #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/qdev-properties.h" @@ -71,6 +73,7 @@ #include "hw/mem/pc-dimm.h" #include "hw/mem/nvdimm.h" #include "hw/acpi/generic_event_device.h" +#include "hw/virtio/virtio-iommu.h" #define DEFINE_VIRT_MACHINE_LATEST(major, minor, latest) \ static void virt_##major##_##minor##_class_init(ObjectClass *oc, \ @@ -1181,6 +1184,30 @@ static void create_smmu(const VirtMachineState *vms, qemu_irq *pic, g_free(node); } +static void create_virtio_iommu(VirtMachineState *vms, Error **errp) +{ + const char compat[] = "virtio,pci-iommu"; + uint16_t bdf = vms->virtio_iommu_bdf; + char *node; + + vms->iommu_phandle = qemu_fdt_alloc_phandle(vms->fdt); + + node = 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 = vms->memmap[VIRT_PCIE_MMIO].base; @@ -1258,7 +1285,7 @@ static void create_pcie(VirtMachineState *vms, qemu_irq *pic) } } - nodename = g_strdup_printf("/pcie@%" PRIx64, base); + nodename = vms->pciehb_nodename = g_strdup_printf("/pcie@%" PRIx64, base); qemu_fdt_add_subnode(vms->fdt, nodename); qemu_fdt_setprop_string(vms->fdt, nodename, "compatible", "pci-host-ecam-generic"); @@ -1301,13 +1328,17 @@ static void create_pcie(VirtMachineState *vms, qemu_irq *pic) if (vms->iommu) { vms->iommu_phandle = qemu_fdt_alloc_phandle(vms->fdt); - 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(); + } - qemu_fdt_setprop_cells(vms->fdt, nodename, "iommu-map", - 0x0, vms->iommu_phandle, 0x0, 0x10000); } - - g_free(nodename); } static void create_platform_bus(VirtMachineState *vms, qemu_irq *pic) @@ -1972,6 +2003,13 @@ static void virt_machine_device_plug_cb(HotplugHandler *hotplug_dev, if (object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM)) { virt_memory_plug(hotplug_dev, dev, errp); } + if (object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_IOMMU_PCI)) { + PCIDevice *pdev = PCI_DEVICE(dev); + + vms->iommu = VIRT_IOMMU_VIRTIO; + vms->virtio_iommu_bdf = pci_get_bdf(pdev); + create_virtio_iommu(vms, errp); + } } static void virt_machine_device_unplug_request_cb(HotplugHandler *hotplug_dev, @@ -1985,7 +2023,8 @@ static HotplugHandler *virt_machine_get_hotplug_handler(MachineState *machine, DeviceState *dev) { if (object_dynamic_cast(OBJECT(dev), TYPE_SYS_BUS_DEVICE) || - (object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM))) { + (object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM)) || + (object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_IOMMU_PCI))) { return HOTPLUG_HANDLER(machine); } diff --git a/hw/virtio/virtio-iommu-pci.c b/hw/virtio/virtio-iommu-pci.c index 280230b31e..4cfae1f9df 100644 --- a/hw/virtio/virtio-iommu-pci.c +++ b/hw/virtio/virtio-iommu-pci.c @@ -31,9 +31,6 @@ struct VirtIOIOMMUPCI { static Property virtio_iommu_pci_properties[] = { DEFINE_PROP_UINT32("class", VirtIOPCIProxy, class_code, 0), - DEFINE_PROP_ARRAY("reserved-regions", VirtIOIOMMUPCI, - vdev.nb_reserved_regions, vdev.reserved_regions, - qdev_prop_interval, Interval), DEFINE_PROP_END_OF_LIST(), }; diff --git a/include/hw/arm/virt.h b/include/hw/arm/virt.h index 0b41083e9d..32fb1142ef 100644 --- a/include/hw/arm/virt.h +++ b/include/hw/arm/virt.h @@ -124,8 +124,10 @@ 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;