From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:51715) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bCSzS-00023Y-26 for qemu-devel@nongnu.org; Mon, 13 Jun 2016 10:37:23 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bCSzQ-0006UM-P8 for qemu-devel@nongnu.org; Mon, 13 Jun 2016 10:37:22 -0400 Received: from mx1.redhat.com ([209.132.183.28]:47169) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bCSzQ-0006UG-Gf for qemu-devel@nongnu.org; Mon, 13 Jun 2016 10:37:20 -0400 From: Marcel Apfelbaum Date: Mon, 13 Jun 2016 17:36:59 +0300 Message-Id: <1465828620-12666-4-git-send-email-marcel@redhat.com> In-Reply-To: <1465828620-12666-1-git-send-email-marcel@redhat.com> References: <1465828620-12666-1-git-send-email-marcel@redhat.com> Subject: [Qemu-devel] [PATCH v3 3/4] hw/iommu: enable iommu with -device List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: marcel@redhat.com, mst@redhat.com, pbonzini@redhat.com, ehabkost@redhat.com, peterx@redhat.com, davidkiarie4@gmail.com, jan.kiszka@web.de, bd.aviv@gmail.com, alex.williamson@redhat.com, armbru@redhat.com Use the standard '-device iommu' to create the IOMMU device. The legacy '-machine,iommu=on' can still be used. Signed-off-by: Marcel Apfelbaum --- hw/i386/intel_iommu.c | 16 ++++++++++++++++ hw/i386/pc_q35.c | 1 - hw/pci-host/q35.c | 17 +---------------- 3 files changed, 17 insertions(+), 17 deletions(-) diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c index 347718f..ea25585 100644 --- a/hw/i386/intel_iommu.c +++ b/hw/i386/intel_iommu.c @@ -24,6 +24,7 @@ #include "exec/address-spaces.h" #include "intel_iommu_internal.h" #include "hw/pci/pci.h" +#include "hw/i386/pc.h" /*#define DEBUG_INTEL_IOMMU*/ #ifdef DEBUG_INTEL_IOMMU @@ -2014,8 +2015,20 @@ static void vtd_reset(DeviceState *dev) vtd_init(s); } +static AddressSpace *vtd_host_dma_iommu(PCIBus *bus, void *opaque, int devfn) +{ + IntelIOMMUState *s = opaque; + VTDAddressSpace *vtd_as; + + assert(0 <= devfn && devfn <= VTD_PCI_DEVFN_MAX); + + vtd_as = vtd_find_add_as(s, bus, devfn); + return &vtd_as->as; +} + static void vtd_realize(DeviceState *dev, Error **errp) { + PCIBus *bus = PC_MACHINE(qdev_get_machine())->bus; IntelIOMMUState *s = INTEL_IOMMU_DEVICE(dev); VTD_DPRINTF(GENERAL, ""); @@ -2029,6 +2042,8 @@ static void vtd_realize(DeviceState *dev, Error **errp) s->vtd_as_by_busptr = g_hash_table_new_full(vtd_uint64_hash, vtd_uint64_equal, g_free, g_free); vtd_init(s); + sysbus_mmio_map(SYS_BUS_DEVICE(s), 0, Q35_HOST_BRIDGE_IOMMU_ADDR); + pci_setup_iommu(bus, vtd_host_dma_iommu, dev); } static void vtd_class_init(ObjectClass *klass, void *data) @@ -2039,6 +2054,7 @@ static void vtd_class_init(ObjectClass *klass, void *data) dc->realize = vtd_realize; dc->vmsd = &vtd_vmstate; dc->props = vtd_properties; + dc->hotpluggable = false; } static const TypeInfo vtd_info = { diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c index 431eaed..47e93d4 100644 --- a/hw/i386/pc_q35.c +++ b/hw/i386/pc_q35.c @@ -169,7 +169,6 @@ static void pc_q35_init(MachineState *machine) qdev_init_nofail(DEVICE(q35_host)); phb = PCI_HOST_BRIDGE(q35_host); host_bus = phb->bus; - pcms->bus = phb->bus; /* create ISA bus */ lpc = pci_create_simple_multifunction(host_bus, PCI_DEVFN(ICH9_LPC_DEV, ICH9_LPC_FUNC), true, diff --git a/hw/pci-host/q35.c b/hw/pci-host/q35.c index 141ba5b..4bd5fb5 100644 --- a/hw/pci-host/q35.c +++ b/hw/pci-host/q35.c @@ -52,6 +52,7 @@ static void q35_host_realize(DeviceState *dev, Error **errp) pci->bus = pci_bus_new(DEVICE(s), "pcie.0", s->mch.pci_address_space, s->mch.address_space_io, 0, TYPE_PCIE_BUS); + PC_MACHINE(qdev_get_machine())->bus = pci->bus; qdev_set_parent_bus(DEVICE(&s->mch), BUS(pci->bus)); qdev_init_nofail(DEVICE(&s->mch)); } @@ -426,28 +427,12 @@ static void mch_reset(DeviceState *qdev) mch_update(mch); } -static AddressSpace *q35_host_dma_iommu(PCIBus *bus, void *opaque, int devfn) -{ - IntelIOMMUState *s = opaque; - VTDAddressSpace *vtd_as; - - assert(0 <= devfn && devfn <= VTD_PCI_DEVFN_MAX); - - vtd_as = vtd_find_add_as(s, bus, devfn); - return &vtd_as->as; -} - static void mch_init_dmar(MCHPCIState *mch) { - PCIBus *pci_bus = PCI_BUS(qdev_get_parent_bus(DEVICE(mch))); - mch->iommu = INTEL_IOMMU_DEVICE(qdev_create(NULL, TYPE_INTEL_IOMMU_DEVICE)); object_property_add_child(OBJECT(mch), "intel-iommu", OBJECT(mch->iommu), NULL); qdev_init_nofail(DEVICE(mch->iommu)); - sysbus_mmio_map(SYS_BUS_DEVICE(mch->iommu), 0, Q35_HOST_BRIDGE_IOMMU_ADDR); - - pci_setup_iommu(pci_bus, q35_host_dma_iommu, mch->iommu); } static void mch_realize(PCIDevice *d, Error **errp) -- 2.4.3