/* * Copyright (c) 2018 Intel Corporation * Copyright (c) 2019 Red Hat, Inc. * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, * version 2 or later, as published by the Free Software Foundation. * * This program is distributed in the hope it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * more details. * * You should have received a copy of the GNU General Public License along with * this program. If not, see . */ #include "qemu/osdep.h" #include "qemu/error-report.h" #include "qemu/cutils.h" #include "qemu/units.h" #include "qapi/error.h" #include "qapi/visitor.h" #include "qapi/qapi-visit-common.h" #include "sysemu/sysemu.h" #include "sysemu/cpus.h" #include "sysemu/numa.h" #include "sysemu/reset.h" #include "sysemu/runstate.h" #include "acpi-microvm.h" #include "hw/loader.h" #include "hw/irq.h" #include "hw/kvm/clock.h" #include "hw/i386/microvm.h" #include "hw/i386/x86.h" #include "target/i386/cpu.h" #include "hw/intc/i8259.h" #include "hw/timer/i8254.h" #include "hw/rtc/mc146818rtc.h" #include "hw/char/serial.h" #include "hw/display/ramfb.h" #include "hw/i386/topology.h" #include "hw/i386/e820_memory_layout.h" #include "hw/i386/fw_cfg.h" #include "hw/virtio/virtio-mmio.h" #include "hw/acpi/acpi.h" #include "hw/acpi/generic_event_device.h" #include "hw/pci-host/gpex.h" #include "cpu.h" #include "elf.h" #include "kvm_i386.h" #include "hw/xen/start_info.h" #define MICROVM_QBOOT_FILENAME "qboot.rom" #define MICROVM_BIOS_FILENAME "bios-microvm.bin" static void microvm_set_rtc(MicrovmMachineState *mms, ISADevice *s) { X86MachineState *x86ms = X86_MACHINE(mms); int val; val = MIN(x86ms->below_4g_mem_size / KiB, 640); rtc_set_memory(s, 0x15, val); rtc_set_memory(s, 0x16, val >> 8); /* extended memory (next 64MiB) */ if (x86ms->below_4g_mem_size > 1 * MiB) { val = (x86ms->below_4g_mem_size - 1 * MiB) / KiB; } else { val = 0; } if (val > 65535) { val = 65535; } rtc_set_memory(s, 0x17, val); rtc_set_memory(s, 0x18, val >> 8); rtc_set_memory(s, 0x30, val); rtc_set_memory(s, 0x31, val >> 8); /* memory between 16MiB and 4GiB */ if (x86ms->below_4g_mem_size > 16 * MiB) { val = (x86ms->below_4g_mem_size - 16 * MiB) / (64 * KiB); } else { val = 0; } if (val > 65535) { val = 65535; } rtc_set_memory(s, 0x34, val); rtc_set_memory(s, 0x35, val >> 8); /* memory above 4GiB */ val = x86ms->above_4g_mem_size / 65536; rtc_set_memory(s, 0x5b, val); rtc_set_memory(s, 0x5c, val >> 8); rtc_set_memory(s, 0x5d, val >> 16); } static void microvm_gsi_handler(void *opaque, int n, int level) { GSIState *s = opaque; qemu_set_irq(s->ioapic_irq[n], level); } static void create_gpex(MicrovmMachineState *mms) { X86MachineState *x86ms = X86_MACHINE(mms); MemoryRegion *mmio32_alias; MemoryRegion *mmio64_alias; MemoryRegion *mmio_reg; MemoryRegion *ecam_alias; MemoryRegion *ecam_reg; DeviceState *dev; int i; dev = qdev_new(TYPE_GPEX_HOST); sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal); /* Map only the first size_ecam bytes of ECAM space */ ecam_alias = g_new0(MemoryRegion, 1); ecam_reg = sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 0); memory_region_init_alias(ecam_alias, OBJECT(dev), "pcie-ecam", ecam_reg, 0, mms->gpex.ecam.size); memory_region_add_subregion(get_system_memory(), mms->gpex.ecam.base, ecam_alias); /* Map the MMIO window into system address space so as to expose * the section of PCI MMIO space which starts at the same base address * (ie 1:1 mapping for that part of PCI MMIO space visible through * the window). */ mmio_reg = sysbus_mmio_get_region(SYS_BUS_DEVICE(dev), 1); if (mms->gpex.mmio32.size) { mmio32_alias = g_new0(MemoryRegion, 1); memory_region_init_alias(mmio32_alias, OBJECT(dev), "pcie-mmio32", mmio_reg, mms->gpex.mmio32.base, mms->gpex.mmio32.size); memory_region_add_subregion(get_system_memory(), mms->gpex.mmio32.base, mmio32_alias); } if (mms->gpex.mmio64.size) { mmio64_alias = g_new0(MemoryRegion, 1); memory_region_init_alias(mmio64_alias, OBJECT(dev), "pcie-mmio64", mmio_reg, mms->gpex.mmio64.base, mms->gpex.mmio64.size); memory_region_add_subregion(get_system_memory(), mms->gpex.mmio64.base, mmio64_alias); } for (i = 0; i < GPEX_NUM_IRQS; i++) { sysbus_connect_irq(SYS_BUS_DEVICE(dev), i, x86ms->gsi[mms->gpex.irq + i]); } } static void microvm_devices_init(MicrovmMachineState *mms) { X86MachineState *x86ms = X86_MACHINE(mms); ISABus *isa_bus; ISADevice *rtc_state; GSIState *gsi_state; int i; /* Core components */ gsi_state = g_malloc0(sizeof(*gsi_state)); if (mms->pic == ON_OFF_AUTO_ON || mms->pic == ON_OFF_AUTO_AUTO) { x86ms->gsi = qemu_allocate_irqs(gsi_handler, gsi_state, GSI_NUM_PINS); } else { x86ms->gsi = qemu_allocate_irqs(microvm_gsi_handler, gsi_state, GSI_NUM_PINS); } isa_bus = isa_bus_new(NULL, get_system_memory(), get_system_io(), &error_abort); isa_bus_irqs(isa_bus, x86ms->gsi); ioapic_init_gsi(gsi_state, "machine"); kvmclock_create(true); mms->virtio_irq_base = x86_machine_is_acpi_enabled(x86ms) ? 16 : 5; for (i = 0; i < VIRTIO_NUM_TRANSPORTS; i++) { sysbus_create_simple("virtio-mmio", VIRTIO_MMIO_BASE + i * 512, x86ms->gsi[mms->virtio_irq_base + i]); } /* Optional and legacy devices */ if (x86_machine_is_acpi_enabled(x86ms)) { DeviceState *dev = qdev_new(TYPE_ACPI_GED_X86); qdev_prop_set_uint32(dev, "ged-event", ACPI_GED_PWR_DOWN_EVT); sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, GED_MMIO_BASE); /* sysbus_mmio_map(SYS_BUS_DEVICE(dev), 1, GED_MMIO_BASE_MEMHP); */ sysbus_mmio_map(SYS_BUS_DEVICE(dev), 2, GED_MMIO_BASE_REGS); sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, x86ms->gsi[GED_MMIO_IRQ]); sysbus_realize(SYS_BUS_DEVICE(dev), &error_fatal); x86ms->acpi_dev = HOTPLUG_HANDLER(dev); } if (x86_machine_is_acpi_enabled(x86ms) && mms->pcie == ON_OFF_AUTO_ON) { /* use topmost 25% of the address space available */ hwaddr phys_size = (hwaddr)1 << X86_CPU(first_cpu)->phys_bits; if (phys_size > 0x1000000ll) { mms->gpex.mmio64.size = phys_size / 4; mms->gpex.mmio64.base = phys_size - mms->gpex.mmio64.size; } mms->gpex.mmio32.base = PCIE_MMIO_BASE; mms->gpex.mmio32.size = PCIE_MMIO_SIZE; mms->gpex.ecam.base = PCIE_ECAM_BASE; mms->gpex.ecam.size = PCIE_ECAM_SIZE; mms->gpex.irq = PCIE_IRQ_BASE; create_gpex(mms); } if (mms->pic == ON_OFF_AUTO_ON || mms->pic == ON_OFF_AUTO_AUTO) { qemu_irq *i8259; i8259 = i8259_init(isa_bus, x86_allocate_cpu_irq()); for (i = 0; i < ISA_NUM_IRQS; i++) { gsi_state->i8259_irq[i] = i8259[i]; } g_free(i8259); } if (mms->pit == ON_OFF_AUTO_ON || mms->pit == ON_OFF_AUTO_AUTO) { if (kvm_pit_in_kernel()) { kvm_pit_init(isa_bus, 0x40); } else { i8254_pit_init(isa_bus, 0x40, 0, NULL); } } if (mms->rtc == ON_OFF_AUTO_ON || (mms->rtc == ON_OFF_AUTO_AUTO && !kvm_enabled())) { rtc_state = mc146818_rtc_init(isa_bus, 2000, NULL); microvm_set_rtc(mms, rtc_state); } if (mms->isa_serial) { serial_hds_isa_init(isa_bus, 0, 1); } if (bios_name == NULL) { bios_name = x86_machine_is_acpi_enabled(x86ms) ? MICROVM_BIOS_FILENAME : MICROVM_QBOOT_FILENAME; } x86_bios_rom_init(get_system_memory(), true); } static void microvm_memory_init(MicrovmMachineState *mms) { MachineState *machine = MACHINE(mms); X86MachineState *x86ms = X86_MACHINE(mms); MemoryRegion *ram_below_4g, *ram_above_4g; MemoryRegion *system_memory = get_system_memory(); FWCfgState *fw_cfg; ram_addr_t lowmem = 0xc0000000; /* 3G */ int i; if (machine->ram_size > lowmem) { x86ms->above_4g_mem_size = machine->ram_size - lowmem; x86ms->below_4g_mem_size = lowmem; } else { x86ms->above_4g_mem_size = 0; x86ms->below_4g_mem_size = machine->ram_size; } ram_below_4g = g_malloc(sizeof(*ram_below_4g)); memory_region_init_alias(ram_below_4g, NULL, "ram-below-4g", machine->ram, 0, x86ms->below_4g_mem_size); memory_region_add_subregion(system_memory, 0, ram_below_4g); e820_add_entry(0, x86ms->below_4g_mem_size, E820_RAM); if (x86ms->above_4g_mem_size > 0) { ram_above_4g = g_malloc(sizeof(*ram_above_4g)); memory_region_init_alias(ram_above_4g, NULL, "ram-above-4g", machine->ram, x86ms->below_4g_mem_size, x86ms->above_4g_mem_size); memory_region_add_subregion(system_memory, 0x100000000ULL, ram_above_4g); e820_add_entry(0x100000000ULL, x86ms->above_4g_mem_size, E820_RAM); } fw_cfg = fw_cfg_init_io_dma(FW_CFG_IO_BASE, FW_CFG_IO_BASE + 4, &address_space_memory); fw_cfg_add_i16(fw_cfg, FW_CFG_NB_CPUS, machine->smp.cpus); fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, machine->smp.max_cpus); fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)machine->ram_size); fw_cfg_add_i32(fw_cfg, FW_CFG_IRQ0_OVERRIDE, 1); fw_cfg_add_bytes(fw_cfg, FW_CFG_E820_TABLE, &e820_reserve, sizeof(e820_reserve)); fw_cfg_add_file(fw_cfg, "etc/e820", e820_table, sizeof(struct e820_entry) * e820_get_num_entries()); rom_set_fw(fw_cfg); if (machine->kernel_filename != NULL) { x86_load_linux(x86ms, fw_cfg, 0, true, true); } if (mms->option_roms) { for (i = 0; i < nb_option_roms; i++) { rom_add_option(option_rom[i].name, option_rom[i].bootindex); } } x86ms->fw_cfg = fw_cfg; x86ms->ioapic_as = &address_space_memory; } static gchar *microvm_get_mmio_cmdline(gchar *name, uint32_t virtio_irq_base) { gchar *cmdline; gchar *separator; long int index; int ret; separator = g_strrstr(name, "."); if (!separator) { return NULL; } if (qemu_strtol(separator + 1, NULL, 10, &index) != 0) { return NULL; } cmdline = g_malloc0(VIRTIO_CMDLINE_MAXLEN); ret = g_snprintf(cmdline, VIRTIO_CMDLINE_MAXLEN, " virtio_mmio.device=512@0x%lx:%ld", VIRTIO_MMIO_BASE + index * 512, virtio_irq_base + index); if (ret < 0 || ret >= VIRTIO_CMDLINE_MAXLEN) { g_free(cmdline); return NULL; } return cmdline; } static void microvm_fix_kernel_cmdline(MachineState *machine) { X86MachineState *x86ms = X86_MACHINE(machine); MicrovmMachineState *mms = MICROVM_MACHINE(machine); BusState *bus; BusChild *kid; char *cmdline; /* * Find MMIO transports with attached devices, and add them to the kernel * command line. * * Yes, this is a hack, but one that heavily improves the UX without * introducing any significant issues. */ cmdline = g_strdup(machine->kernel_cmdline); bus = sysbus_get_default(); QTAILQ_FOREACH(kid, &bus->children, sibling) { DeviceState *dev = kid->child; ObjectClass *class = object_get_class(OBJECT(dev)); if (class == object_class_by_name(TYPE_VIRTIO_MMIO)) { VirtIOMMIOProxy *mmio = VIRTIO_MMIO(OBJECT(dev)); VirtioBusState *mmio_virtio_bus = &mmio->bus; BusState *mmio_bus = &mmio_virtio_bus->parent_obj; if (!QTAILQ_EMPTY(&mmio_bus->children)) { gchar *mmio_cmdline = microvm_get_mmio_cmdline (mmio_bus->name, mms->virtio_irq_base); if (mmio_cmdline) { char *newcmd = g_strjoin(NULL, cmdline, mmio_cmdline, NULL); g_free(mmio_cmdline); g_free(cmdline); cmdline = newcmd; } } } } fw_cfg_modify_i32(x86ms->fw_cfg, FW_CFG_CMDLINE_SIZE, strlen(cmdline) + 1); fw_cfg_modify_string(x86ms->fw_cfg, FW_CFG_CMDLINE_DATA, cmdline); g_free(cmdline); } static void microvm_device_pre_plug_cb(HotplugHandler *hotplug_dev, DeviceState *dev, Error **errp) { X86CPU *cpu = X86_CPU(dev); cpu->host_phys_bits = true; /* need reliable phys-bits */ x86_cpu_pre_plug(hotplug_dev, dev, errp); } static void microvm_device_plug_cb(HotplugHandler *hotplug_dev, DeviceState *dev, Error **errp) { x86_cpu_plug(hotplug_dev, dev, errp); } static void microvm_device_unplug_request_cb(HotplugHandler *hotplug_dev, DeviceState *dev, Error **errp) { error_setg(errp, "unplug not supported by microvm"); } static void microvm_device_unplug_cb(HotplugHandler *hotplug_dev, DeviceState *dev, Error **errp) { error_setg(errp, "unplug not supported by microvm"); } static HotplugHandler *microvm_get_hotplug_handler(MachineState *machine, DeviceState *dev) { if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) { return HOTPLUG_HANDLER(machine); } return NULL; } static void microvm_machine_state_init(MachineState *machine) { MicrovmMachineState *mms = MICROVM_MACHINE(machine); X86MachineState *x86ms = X86_MACHINE(machine); Error *local_err = NULL; microvm_memory_init(mms); x86_cpus_init(x86ms, CPU_VERSION_LATEST); if (local_err) { error_report_err(local_err); exit(1); } microvm_devices_init(mms); } static void microvm_machine_reset(MachineState *machine) { MicrovmMachineState *mms = MICROVM_MACHINE(machine); CPUState *cs; X86CPU *cpu; if (!x86_machine_is_acpi_enabled(X86_MACHINE(machine)) && machine->kernel_filename != NULL && mms->auto_kernel_cmdline && !mms->kernel_cmdline_fixed) { microvm_fix_kernel_cmdline(machine); mms->kernel_cmdline_fixed = true; } qemu_devices_reset(); CPU_FOREACH(cs) { cpu = X86_CPU(cs); if (cpu->apic_state) { device_legacy_reset(cpu->apic_state); } } } static void microvm_machine_get_pic(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { MicrovmMachineState *mms = MICROVM_MACHINE(obj); OnOffAuto pic = mms->pic; visit_type_OnOffAuto(v, name, &pic, errp); } static void microvm_machine_set_pic(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { MicrovmMachineState *mms = MICROVM_MACHINE(obj); visit_type_OnOffAuto(v, name, &mms->pic, errp); } static void microvm_machine_get_pit(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { MicrovmMachineState *mms = MICROVM_MACHINE(obj); OnOffAuto pit = mms->pit; visit_type_OnOffAuto(v, name, &pit, errp); } static void microvm_machine_set_pit(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { MicrovmMachineState *mms = MICROVM_MACHINE(obj); visit_type_OnOffAuto(v, name, &mms->pit, errp); } static void microvm_machine_get_rtc(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { MicrovmMachineState *mms = MICROVM_MACHINE(obj); OnOffAuto rtc = mms->rtc; visit_type_OnOffAuto(v, name, &rtc, errp); } static void microvm_machine_set_rtc(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { MicrovmMachineState *mms = MICROVM_MACHINE(obj); visit_type_OnOffAuto(v, name, &mms->rtc, errp); } static void microvm_machine_get_pcie(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { MicrovmMachineState *mms = MICROVM_MACHINE(obj); OnOffAuto pcie = mms->pcie; visit_type_OnOffAuto(v, name, &pcie, errp); } static void microvm_machine_set_pcie(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { MicrovmMachineState *mms = MICROVM_MACHINE(obj); visit_type_OnOffAuto(v, name, &mms->pcie, errp); } static bool microvm_machine_get_isa_serial(Object *obj, Error **errp) { MicrovmMachineState *mms = MICROVM_MACHINE(obj); return mms->isa_serial; } static void microvm_machine_set_isa_serial(Object *obj, bool value, Error **errp) { MicrovmMachineState *mms = MICROVM_MACHINE(obj); mms->isa_serial = value; } static bool microvm_machine_get_option_roms(Object *obj, Error **errp) { MicrovmMachineState *mms = MICROVM_MACHINE(obj); return mms->option_roms; } static void microvm_machine_set_option_roms(Object *obj, bool value, Error **errp) { MicrovmMachineState *mms = MICROVM_MACHINE(obj); mms->option_roms = value; } static bool microvm_machine_get_auto_kernel_cmdline(Object *obj, Error **errp) { MicrovmMachineState *mms = MICROVM_MACHINE(obj); return mms->auto_kernel_cmdline; } static void microvm_machine_set_auto_kernel_cmdline(Object *obj, bool value, Error **errp) { MicrovmMachineState *mms = MICROVM_MACHINE(obj); mms->auto_kernel_cmdline = value; } static void microvm_machine_done(Notifier *notifier, void *data) { MicrovmMachineState *mms = container_of(notifier, MicrovmMachineState, machine_done); acpi_setup_microvm(mms); } static void microvm_powerdown_req(Notifier *notifier, void *data) { MicrovmMachineState *mms = container_of(notifier, MicrovmMachineState, powerdown_req); X86MachineState *x86ms = X86_MACHINE(mms); if (x86ms->acpi_dev) { Object *obj = OBJECT(x86ms->acpi_dev); AcpiDeviceIfClass *adevc = ACPI_DEVICE_IF_GET_CLASS(obj); adevc->send_event(ACPI_DEVICE_IF(x86ms->acpi_dev), ACPI_POWER_DOWN_STATUS); } } static void microvm_machine_initfn(Object *obj) { MicrovmMachineState *mms = MICROVM_MACHINE(obj); /* Configuration */ mms->pic = ON_OFF_AUTO_AUTO; mms->pit = ON_OFF_AUTO_AUTO; mms->rtc = ON_OFF_AUTO_AUTO; mms->pcie = ON_OFF_AUTO_AUTO; mms->isa_serial = true; mms->option_roms = true; mms->auto_kernel_cmdline = true; /* State */ mms->kernel_cmdline_fixed = false; mms->machine_done.notify = microvm_machine_done; qemu_add_machine_init_done_notifier(&mms->machine_done); mms->powerdown_req.notify = microvm_powerdown_req; qemu_register_powerdown_notifier(&mms->powerdown_req); } static void microvm_class_init(ObjectClass *oc, void *data) { MachineClass *mc = MACHINE_CLASS(oc); HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(oc); mc->init = microvm_machine_state_init; mc->family = "microvm_i386"; mc->desc = "microvm (i386)"; mc->units_per_default_bus = 1; mc->no_floppy = 1; mc->max_cpus = 288; mc->has_hotpluggable_cpus = false; mc->auto_enable_numa_with_memhp = false; mc->auto_enable_numa_with_memdev = false; mc->default_cpu_type = TARGET_DEFAULT_CPU_TYPE; mc->nvdimm_supported = false; mc->default_ram_id = "microvm.ram"; /* Avoid relying too much on kernel components */ mc->default_kernel_irqchip_split = true; /* Machine class handlers */ mc->reset = microvm_machine_reset; /* hotplug (for cpu coldplug) */ mc->get_hotplug_handler = microvm_get_hotplug_handler; hc->pre_plug = microvm_device_pre_plug_cb; hc->plug = microvm_device_plug_cb; hc->unplug_request = microvm_device_unplug_request_cb; hc->unplug = microvm_device_unplug_cb; object_class_property_add(oc, MICROVM_MACHINE_PIC, "OnOffAuto", microvm_machine_get_pic, microvm_machine_set_pic, NULL, NULL); object_class_property_set_description(oc, MICROVM_MACHINE_PIC, "Enable i8259 PIC"); object_class_property_add(oc, MICROVM_MACHINE_PIT, "OnOffAuto", microvm_machine_get_pit, microvm_machine_set_pit, NULL, NULL); object_class_property_set_description(oc, MICROVM_MACHINE_PIT, "Enable i8254 PIT"); object_class_property_add(oc, MICROVM_MACHINE_RTC, "OnOffAuto", microvm_machine_get_rtc, microvm_machine_set_rtc, NULL, NULL); object_class_property_set_description(oc, MICROVM_MACHINE_RTC, "Enable MC146818 RTC"); object_class_property_add(oc, MICROVM_MACHINE_PCIE, "OnOffAuto", microvm_machine_get_pcie, microvm_machine_set_pcie, NULL, NULL); object_class_property_set_description(oc, MICROVM_MACHINE_PCIE, "Enable PCIe"); object_class_property_add_bool(oc, MICROVM_MACHINE_ISA_SERIAL, microvm_machine_get_isa_serial, microvm_machine_set_isa_serial); object_class_property_set_description(oc, MICROVM_MACHINE_ISA_SERIAL, "Set off to disable the instantiation an ISA serial port"); object_class_property_add_bool(oc, MICROVM_MACHINE_OPTION_ROMS, microvm_machine_get_option_roms, microvm_machine_set_option_roms); object_class_property_set_description(oc, MICROVM_MACHINE_OPTION_ROMS, "Set off to disable loading option ROMs"); object_class_property_add_bool(oc, MICROVM_MACHINE_AUTO_KERNEL_CMDLINE, microvm_machine_get_auto_kernel_cmdline, microvm_machine_set_auto_kernel_cmdline); object_class_property_set_description(oc, MICROVM_MACHINE_AUTO_KERNEL_CMDLINE, "Set off to disable adding virtio-mmio devices to the kernel cmdline"); machine_class_allow_dynamic_sysbus_dev(mc, TYPE_RAMFB_DEVICE); } static const TypeInfo microvm_machine_info = { .name = TYPE_MICROVM_MACHINE, .parent = TYPE_X86_MACHINE, .instance_size = sizeof(MicrovmMachineState), .instance_init = microvm_machine_initfn, .class_size = sizeof(MicrovmMachineClass), .class_init = microvm_class_init, .interfaces = (InterfaceInfo[]) { { TYPE_HOTPLUG_HANDLER }, { } }, }; static void microvm_machine_init(void) { type_register_static(µvm_machine_info); } type_init(microvm_machine_init);