diff options
Diffstat (limited to 'hw/i386')
-rw-r--r-- | hw/i386/acpi-build.c | 206 | ||||
-rw-r--r-- | hw/i386/intel_iommu.c | 114 | ||||
-rw-r--r-- | hw/i386/intel_iommu_internal.h | 13 | ||||
-rw-r--r-- | hw/i386/x86-iommu.c | 17 |
4 files changed, 171 insertions, 179 deletions
diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c index 42ecf619d5..0c8912fd86 100644 --- a/hw/i386/acpi-build.c +++ b/hw/i386/acpi-build.c @@ -101,8 +101,6 @@ typedef struct AcpiPmInfo { uint32_t gpe0_blk_len; uint32_t io_base; uint16_t cpu_hp_io_base; - uint16_t mem_hp_io_base; - uint16_t mem_hp_io_len; uint16_t pcihp_io_base; uint16_t pcihp_io_len; } AcpiPmInfo; @@ -148,9 +146,6 @@ static void acpi_get_pm_info(AcpiPmInfo *pm) } assert(obj); - pm->mem_hp_io_base = ACPI_MEMORY_HOTPLUG_BASE; - pm->mem_hp_io_len = ACPI_MEMORY_HOTPLUG_IO_LEN; - /* Fill in optional s3/s4 related properties */ o = object_property_get_qobject(obj, ACPI_PM_PROP_S3_DISABLED, NULL); if (o) { @@ -1038,130 +1033,6 @@ static Aml *build_crs(PCIHostState *host, CrsRangeSet *range_set) return crs; } -static void build_memory_devices(Aml *sb_scope, int nr_mem, - uint16_t io_base, uint16_t io_len) -{ - int i; - Aml *scope; - Aml *crs; - Aml *field; - Aml *dev; - Aml *method; - Aml *ifctx; - - /* build memory devices */ - assert(nr_mem <= ACPI_MAX_RAM_SLOTS); - scope = aml_scope("\\_SB.PCI0." MEMORY_HOTPLUG_DEVICE); - aml_append(scope, - aml_name_decl(MEMORY_SLOTS_NUMBER, aml_int(nr_mem)) - ); - - crs = aml_resource_template(); - aml_append(crs, - aml_io(AML_DECODE16, io_base, io_base, 0, io_len) - ); - aml_append(scope, aml_name_decl("_CRS", crs)); - - aml_append(scope, aml_operation_region( - MEMORY_HOTPLUG_IO_REGION, AML_SYSTEM_IO, - aml_int(io_base), io_len) - ); - - field = aml_field(MEMORY_HOTPLUG_IO_REGION, AML_DWORD_ACC, - AML_NOLOCK, AML_PRESERVE); - aml_append(field, /* read only */ - aml_named_field(MEMORY_SLOT_ADDR_LOW, 32)); - aml_append(field, /* read only */ - aml_named_field(MEMORY_SLOT_ADDR_HIGH, 32)); - aml_append(field, /* read only */ - aml_named_field(MEMORY_SLOT_SIZE_LOW, 32)); - aml_append(field, /* read only */ - aml_named_field(MEMORY_SLOT_SIZE_HIGH, 32)); - aml_append(field, /* read only */ - aml_named_field(MEMORY_SLOT_PROXIMITY, 32)); - aml_append(scope, field); - - field = aml_field(MEMORY_HOTPLUG_IO_REGION, AML_BYTE_ACC, - AML_NOLOCK, AML_WRITE_AS_ZEROS); - aml_append(field, aml_reserved_field(160 /* bits, Offset(20) */)); - aml_append(field, /* 1 if enabled, read only */ - aml_named_field(MEMORY_SLOT_ENABLED, 1)); - aml_append(field, - /*(read) 1 if has a insert event. (write) 1 to clear event */ - aml_named_field(MEMORY_SLOT_INSERT_EVENT, 1)); - aml_append(field, - /* (read) 1 if has a remove event. (write) 1 to clear event */ - aml_named_field(MEMORY_SLOT_REMOVE_EVENT, 1)); - aml_append(field, - /* initiates device eject, write only */ - aml_named_field(MEMORY_SLOT_EJECT, 1)); - aml_append(scope, field); - - field = aml_field(MEMORY_HOTPLUG_IO_REGION, AML_DWORD_ACC, - AML_NOLOCK, AML_PRESERVE); - aml_append(field, /* DIMM selector, write only */ - aml_named_field(MEMORY_SLOT_SLECTOR, 32)); - aml_append(field, /* _OST event code, write only */ - aml_named_field(MEMORY_SLOT_OST_EVENT, 32)); - aml_append(field, /* _OST status code, write only */ - aml_named_field(MEMORY_SLOT_OST_STATUS, 32)); - aml_append(scope, field); - aml_append(sb_scope, scope); - - for (i = 0; i < nr_mem; i++) { - #define BASEPATH "\\_SB.PCI0." MEMORY_HOTPLUG_DEVICE "." - const char *s; - - dev = aml_device("MP%02X", i); - aml_append(dev, aml_name_decl("_UID", aml_string("0x%02X", i))); - aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0C80"))); - - method = aml_method("_CRS", 0, AML_NOTSERIALIZED); - s = BASEPATH MEMORY_SLOT_CRS_METHOD; - aml_append(method, aml_return(aml_call1(s, aml_name("_UID")))); - aml_append(dev, method); - - method = aml_method("_STA", 0, AML_NOTSERIALIZED); - s = BASEPATH MEMORY_SLOT_STATUS_METHOD; - aml_append(method, aml_return(aml_call1(s, aml_name("_UID")))); - aml_append(dev, method); - - method = aml_method("_PXM", 0, AML_NOTSERIALIZED); - s = BASEPATH MEMORY_SLOT_PROXIMITY_METHOD; - aml_append(method, aml_return(aml_call1(s, aml_name("_UID")))); - aml_append(dev, method); - - method = aml_method("_OST", 3, AML_NOTSERIALIZED); - s = BASEPATH MEMORY_SLOT_OST_METHOD; - - aml_append(method, aml_return(aml_call4( - s, aml_name("_UID"), aml_arg(0), aml_arg(1), aml_arg(2) - ))); - aml_append(dev, method); - - method = aml_method("_EJ0", 1, AML_NOTSERIALIZED); - s = BASEPATH MEMORY_SLOT_EJECT_METHOD; - aml_append(method, aml_return(aml_call2( - s, aml_name("_UID"), aml_arg(0)))); - aml_append(dev, method); - - aml_append(sb_scope, dev); - } - - /* build Method(MEMORY_SLOT_NOTIFY_METHOD, 2) { - * If (LEqual(Arg0, 0x00)) {Notify(MP00, Arg1)} ... } - */ - method = aml_method(MEMORY_SLOT_NOTIFY_METHOD, 2, AML_NOTSERIALIZED); - for (i = 0; i < nr_mem; i++) { - ifctx = aml_if(aml_equal(aml_arg(0), aml_int(i))); - aml_append(ifctx, - aml_notify(aml_name("MP%.02X", i), aml_arg(1)) - ); - aml_append(method, ifctx); - } - aml_append(sb_scope, method); -} - static void build_hpet_aml(Aml *table) { Aml *crs; @@ -2049,8 +1920,7 @@ build_dsdt(GArray *table_data, BIOSLinker *linker, build_cpus_aml(dsdt, machine, opts, pm->cpu_hp_io_base, "\\_SB.PCI0", "\\_GPE._E02"); } - build_memory_hotplug_aml(dsdt, nr_mem, pm->mem_hp_io_base, - pm->mem_hp_io_len); + build_memory_hotplug_aml(dsdt, nr_mem, "\\_SB.PCI0", "\\_GPE._E03"); scope = aml_scope("_GPE"); { @@ -2065,10 +1935,6 @@ build_dsdt(GArray *table_data, BIOSLinker *linker, aml_append(scope, method); } - method = aml_method("_E03", 0, AML_NOTSERIALIZED); - aml_append(method, aml_call0(MEMORY_HOTPLUG_HANDLER_PATH)); - aml_append(scope, method); - if (pcms->acpi_nvdimm_state.is_enabled) { method = aml_method("_E04", 0, AML_NOTSERIALIZED); aml_append(method, aml_notify(aml_name("\\_SB.NVDR"), @@ -2321,45 +2187,40 @@ build_dsdt(GArray *table_data, BIOSLinker *linker, sb_scope = aml_scope("\\_SB"); { - build_memory_devices(sb_scope, nr_mem, pm->mem_hp_io_base, - pm->mem_hp_io_len); + Object *pci_host; + PCIBus *bus = NULL; - { - Object *pci_host; - PCIBus *bus = NULL; + pci_host = acpi_get_i386_pci_host(); + if (pci_host) { + bus = PCI_HOST_BRIDGE(pci_host)->bus; + } - pci_host = acpi_get_i386_pci_host(); - if (pci_host) { - bus = PCI_HOST_BRIDGE(pci_host)->bus; + if (bus) { + Aml *scope = aml_scope("PCI0"); + /* Scan all PCI buses. Generate tables to support hotplug. */ + build_append_pci_bus_devices(scope, bus, pm->pcihp_bridge_en); + + if (misc->tpm_version != TPM_VERSION_UNSPEC) { + dev = aml_device("ISA.TPM"); + aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0C31"))); + aml_append(dev, aml_name_decl("_STA", aml_int(0xF))); + crs = aml_resource_template(); + aml_append(crs, aml_memory32_fixed(TPM_TIS_ADDR_BASE, + TPM_TIS_ADDR_SIZE, AML_READ_WRITE)); + /* + FIXME: TPM_TIS_IRQ=5 conflicts with PNP0C0F irqs, + Rewrite to take IRQ from TPM device model and + fix default IRQ value there to use some unused IRQ + */ + /* aml_append(crs, aml_irq_no_flags(TPM_TIS_IRQ)); */ + aml_append(dev, aml_name_decl("_CRS", crs)); + aml_append(scope, dev); } - if (bus) { - Aml *scope = aml_scope("PCI0"); - /* Scan all PCI buses. Generate tables to support hotplug. */ - build_append_pci_bus_devices(scope, bus, pm->pcihp_bridge_en); - - if (misc->tpm_version != TPM_VERSION_UNSPEC) { - dev = aml_device("ISA.TPM"); - aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0C31"))); - aml_append(dev, aml_name_decl("_STA", aml_int(0xF))); - crs = aml_resource_template(); - aml_append(crs, aml_memory32_fixed(TPM_TIS_ADDR_BASE, - TPM_TIS_ADDR_SIZE, AML_READ_WRITE)); - /* - FIXME: TPM_TIS_IRQ=5 conflicts with PNP0C0F irqs, - Rewrite to take IRQ from TPM device model and - fix default IRQ value there to use some unused IRQ - */ - /* aml_append(crs, aml_irq_no_flags(TPM_TIS_IRQ)); */ - aml_append(dev, aml_name_decl("_CRS", crs)); - aml_append(scope, dev); - } - - aml_append(sb_scope, scope); - } + aml_append(sb_scope, scope); } - aml_append(dsdt, sb_scope); } + aml_append(dsdt, sb_scope); /* copy AML table into ACPI tables blob and patch header there */ g_array_append_vals(table_data, dsdt->buf->data, dsdt->buf->len); @@ -2575,6 +2436,7 @@ build_dmar_q35(GArray *table_data, BIOSLinker *linker) AcpiTableDmar *dmar; AcpiDmarHardwareUnit *drhd; + AcpiDmarRootPortATS *atsr; uint8_t dmar_flags = 0; X86IOMMUState *iommu = x86_iommu_get_default(); AcpiDmarDeviceScope *scope = NULL; @@ -2608,6 +2470,14 @@ build_dmar_q35(GArray *table_data, BIOSLinker *linker) scope->path[0].device = PCI_SLOT(Q35_PSEUDO_DEVFN_IOAPIC); scope->path[0].function = PCI_FUNC(Q35_PSEUDO_DEVFN_IOAPIC); + if (iommu->dt_supported) { + atsr = acpi_data_push(table_data, sizeof(*atsr)); + atsr->type = cpu_to_le16(ACPI_DMAR_TYPE_ATSR); + atsr->length = cpu_to_le16(sizeof(*atsr)); + atsr->flags = ACPI_DMAR_ATSR_ALL_PORTS; + atsr->pci_segment = cpu_to_le16(0); + } + build_header(linker, table_data, (void *)(table_data->data + dmar_start), "DMAR", table_data->len - dmar_start, 1, NULL, NULL); } diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c index 5f3e35123d..ec62239aba 100644 --- a/hw/i386/intel_iommu.c +++ b/hw/i386/intel_iommu.c @@ -738,11 +738,18 @@ static int vtd_dev_to_context_entry(IntelIOMMUState *s, uint8_t bus_num, "context-entry hi 0x%"PRIx64 " lo 0x%"PRIx64, ce->hi, ce->lo); return -VTD_FR_CONTEXT_ENTRY_INV; - } else if (ce->lo & VTD_CONTEXT_ENTRY_TT) { - VTD_DPRINTF(GENERAL, "error: unsupported Translation Type in " - "context-entry hi 0x%"PRIx64 " lo 0x%"PRIx64, - ce->hi, ce->lo); - return -VTD_FR_CONTEXT_ENTRY_INV; + } else { + switch (ce->lo & VTD_CONTEXT_ENTRY_TT) { + case VTD_CONTEXT_TT_MULTI_LEVEL: + /* fall through */ + case VTD_CONTEXT_TT_DEV_IOTLB: + break; + default: + VTD_DPRINTF(GENERAL, "error: unsupported Translation Type in " + "context-entry hi 0x%"PRIx64 " lo 0x%"PRIx64, + ce->hi, ce->lo); + return -VTD_FR_CONTEXT_ENTRY_INV; + } } return 0; } @@ -1438,7 +1445,61 @@ static bool vtd_process_inv_iec_desc(IntelIOMMUState *s, vtd_iec_notify_all(s, !inv_desc->iec.granularity, inv_desc->iec.index, inv_desc->iec.index_mask); + return true; +} +static bool vtd_process_device_iotlb_desc(IntelIOMMUState *s, + VTDInvDesc *inv_desc) +{ + VTDAddressSpace *vtd_dev_as; + IOMMUTLBEntry entry; + struct VTDBus *vtd_bus; + hwaddr addr; + uint64_t sz; + uint16_t sid; + uint8_t devfn; + bool size; + uint8_t bus_num; + + addr = VTD_INV_DESC_DEVICE_IOTLB_ADDR(inv_desc->hi); + sid = VTD_INV_DESC_DEVICE_IOTLB_SID(inv_desc->lo); + devfn = sid & 0xff; + bus_num = sid >> 8; + size = VTD_INV_DESC_DEVICE_IOTLB_SIZE(inv_desc->hi); + + if ((inv_desc->lo & VTD_INV_DESC_DEVICE_IOTLB_RSVD_LO) || + (inv_desc->hi & VTD_INV_DESC_DEVICE_IOTLB_RSVD_HI)) { + VTD_DPRINTF(GENERAL, "error: non-zero reserved field in Device " + "IOTLB Invalidate Descriptor hi 0x%"PRIx64 " lo 0x%"PRIx64, + inv_desc->hi, inv_desc->lo); + return false; + } + + vtd_bus = vtd_find_as_from_bus_num(s, bus_num); + if (!vtd_bus) { + goto done; + } + + vtd_dev_as = vtd_bus->dev_as[devfn]; + if (!vtd_dev_as) { + goto done; + } + + if (size) { + sz = 1 << (ctz64(~(addr | (VTD_PAGE_MASK_4K - 1))) + 1); + addr &= ~(sz - 1); + } else { + sz = VTD_PAGE_SIZE; + } + + entry.target_as = &vtd_dev_as->as; + entry.addr_mask = sz - 1; + entry.iova = addr; + entry.perm = IOMMU_NONE; + entry.translated_addr = 0; + memory_region_notify_iommu(entry.target_as->root, entry); + +done: return true; } @@ -1490,6 +1551,14 @@ static bool vtd_process_inv_desc(IntelIOMMUState *s) } break; + case VTD_INV_DESC_DEVICE: + VTD_DPRINTF(INV, "Device IOTLB Invalidation Descriptor hi 0x%"PRIx64 + " lo 0x%"PRIx64, inv_desc.hi, inv_desc.lo); + if (!vtd_process_device_iotlb_desc(s, &inv_desc)) { + return false; + } + break; + default: VTD_DPRINTF(GENERAL, "error: unkonw Invalidation Descriptor type " "hi 0x%"PRIx64 " lo 0x%"PRIx64 " type %"PRIu8, @@ -1996,7 +2065,27 @@ static void vtd_iommu_notify_flag_changed(MemoryRegion *iommu, static const VMStateDescription vtd_vmstate = { .name = "iommu-intel", - .unmigratable = 1, + .version_id = 1, + .minimum_version_id = 1, + .priority = MIG_PRI_IOMMU, + .fields = (VMStateField[]) { + VMSTATE_UINT64(root, IntelIOMMUState), + VMSTATE_UINT64(intr_root, IntelIOMMUState), + VMSTATE_UINT64(iq, IntelIOMMUState), + VMSTATE_UINT32(intr_size, IntelIOMMUState), + VMSTATE_UINT16(iq_head, IntelIOMMUState), + VMSTATE_UINT16(iq_tail, IntelIOMMUState), + VMSTATE_UINT16(iq_size, IntelIOMMUState), + VMSTATE_UINT16(next_frcd_reg, IntelIOMMUState), + VMSTATE_UINT8_ARRAY(csr, IntelIOMMUState, DMAR_REG_SIZE), + VMSTATE_UINT8(iq_last_desc_type, IntelIOMMUState), + VMSTATE_BOOL(root_extended, IntelIOMMUState), + VMSTATE_BOOL(dmar_enabled, IntelIOMMUState), + VMSTATE_BOOL(qi_enabled, IntelIOMMUState), + VMSTATE_BOOL(intr_enabled, IntelIOMMUState), + VMSTATE_BOOL(intr_eime, IntelIOMMUState), + VMSTATE_END_OF_LIST() + } }; static const MemoryRegionOps vtd_mem_ops = { @@ -2324,19 +2413,22 @@ VTDAddressSpace *vtd_find_add_as(IntelIOMMUState *s, PCIBus *bus, int devfn) uintptr_t key = (uintptr_t)bus; VTDBus *vtd_bus = g_hash_table_lookup(s->vtd_as_by_busptr, &key); VTDAddressSpace *vtd_dev_as; + char name[128]; if (!vtd_bus) { + uintptr_t *new_key = g_malloc(sizeof(*new_key)); + *new_key = (uintptr_t)bus; /* No corresponding free() */ vtd_bus = g_malloc0(sizeof(VTDBus) + sizeof(VTDAddressSpace *) * \ X86_IOMMU_PCI_DEVFN_MAX); vtd_bus->bus = bus; - key = (uintptr_t)bus; - g_hash_table_insert(s->vtd_as_by_busptr, &key, vtd_bus); + g_hash_table_insert(s->vtd_as_by_busptr, new_key, vtd_bus); } vtd_dev_as = vtd_bus->dev_as[devfn]; if (!vtd_dev_as) { + snprintf(name, sizeof(name), "intel_iommu_devfn_%d", devfn); vtd_bus->dev_as[devfn] = vtd_dev_as = g_malloc0(sizeof(VTDAddressSpace)); vtd_dev_as->bus = bus; @@ -2351,7 +2443,7 @@ VTDAddressSpace *vtd_find_add_as(IntelIOMMUState *s, PCIBus *bus, int devfn) memory_region_add_subregion(&vtd_dev_as->iommu, VTD_INTERRUPT_ADDR_FIRST, &vtd_dev_as->iommu_ir); address_space_init(&vtd_dev_as->as, - &vtd_dev_as->iommu, "intel_iommu"); + &vtd_dev_as->iommu, name); } return vtd_dev_as; } @@ -2392,6 +2484,10 @@ static void vtd_init(IntelIOMMUState *s) assert(s->intr_eim != ON_OFF_AUTO_AUTO); } + if (x86_iommu->dt_supported) { + s->ecap |= VTD_ECAP_DT; + } + vtd_reset_context_cache(s); vtd_reset_iotlb(s); diff --git a/hw/i386/intel_iommu_internal.h b/hw/i386/intel_iommu_internal.h index 11abfa2233..356f188b73 100644 --- a/hw/i386/intel_iommu_internal.h +++ b/hw/i386/intel_iommu_internal.h @@ -183,6 +183,7 @@ /* (offset >> 4) << 8 */ #define VTD_ECAP_IRO (DMAR_IOTLB_REG_OFFSET << 4) #define VTD_ECAP_QI (1ULL << 1) +#define VTD_ECAP_DT (1ULL << 2) /* Interrupt Remapping support */ #define VTD_ECAP_IR (1ULL << 3) #define VTD_ECAP_EIM (1ULL << 4) @@ -326,6 +327,7 @@ typedef union VTDInvDesc VTDInvDesc; #define VTD_INV_DESC_TYPE 0xf #define VTD_INV_DESC_CC 0x1 /* Context-cache Invalidate Desc */ #define VTD_INV_DESC_IOTLB 0x2 +#define VTD_INV_DESC_DEVICE 0x3 #define VTD_INV_DESC_IEC 0x4 /* Interrupt Entry Cache Invalidate Descriptor */ #define VTD_INV_DESC_WAIT 0x5 /* Invalidation Wait Descriptor */ @@ -361,6 +363,13 @@ typedef union VTDInvDesc VTDInvDesc; #define VTD_INV_DESC_IOTLB_RSVD_LO 0xffffffff0000ff00ULL #define VTD_INV_DESC_IOTLB_RSVD_HI 0xf80ULL +/* Mask for Device IOTLB Invalidate Descriptor */ +#define VTD_INV_DESC_DEVICE_IOTLB_ADDR(val) ((val) & 0xfffffffffffff000ULL) +#define VTD_INV_DESC_DEVICE_IOTLB_SIZE(val) ((val) & 0x1) +#define VTD_INV_DESC_DEVICE_IOTLB_SID(val) (((val) >> 32) & 0xFFFFULL) +#define VTD_INV_DESC_DEVICE_IOTLB_RSVD_HI 0xffeULL +#define VTD_INV_DESC_DEVICE_IOTLB_RSVD_LO 0xffff0000ffe0fff8 + /* Information about page-selective IOTLB invalidate */ struct VTDIOTLBPageInvInfo { uint16_t domain_id; @@ -399,8 +408,8 @@ typedef struct VTDRootEntry VTDRootEntry; #define VTD_CONTEXT_ENTRY_FPD (1ULL << 1) /* Fault Processing Disable */ #define VTD_CONTEXT_ENTRY_TT (3ULL << 2) /* Translation Type */ #define VTD_CONTEXT_TT_MULTI_LEVEL 0 -#define VTD_CONTEXT_TT_DEV_IOTLB 1 -#define VTD_CONTEXT_TT_PASS_THROUGH 2 +#define VTD_CONTEXT_TT_DEV_IOTLB (1ULL << 2) +#define VTD_CONTEXT_TT_PASS_THROUGH (2ULL << 2) /* Second Level Page Translation Pointer*/ #define VTD_CONTEXT_ENTRY_SLPTPTR (~0xfffULL) #define VTD_CONTEXT_ENTRY_RSVD_LO (0xff0ULL | ~VTD_HAW_MASK) diff --git a/hw/i386/x86-iommu.c b/hw/i386/x86-iommu.c index 2278af7c32..23dcd3f039 100644 --- a/hw/i386/x86-iommu.c +++ b/hw/i386/x86-iommu.c @@ -106,6 +106,18 @@ static void x86_iommu_intremap_prop_set(Object *o, bool value, Error **errp) s->intr_supported = value; } +static bool x86_iommu_device_iotlb_prop_get(Object *o, Error **errp) +{ + X86IOMMUState *s = X86_IOMMU_DEVICE(o); + return s->dt_supported; +} + +static void x86_iommu_device_iotlb_prop_set(Object *o, bool value, Error **errp) +{ + X86IOMMUState *s = X86_IOMMU_DEVICE(o); + s->dt_supported = value; +} + static void x86_iommu_instance_init(Object *o) { X86IOMMUState *s = X86_IOMMU_DEVICE(o); @@ -114,6 +126,11 @@ static void x86_iommu_instance_init(Object *o) s->intr_supported = false; object_property_add_bool(o, "intremap", x86_iommu_intremap_prop_get, x86_iommu_intremap_prop_set, NULL); + s->dt_supported = false; + object_property_add_bool(o, "device-iotlb", + x86_iommu_device_iotlb_prop_get, + x86_iommu_device_iotlb_prop_set, + NULL); } static const TypeInfo x86_iommu_info = { |