/* * QEMU PC System Emulator * * Copyright (c) 2003-2004 Fabrice Bellard * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ #include "qemu/osdep.h" #include CONFIG_DEVICES #include "qemu/units.h" #include "hw/char/parallel-isa.h" #include "hw/dma/i8257.h" #include "hw/loader.h" #include "hw/i386/x86.h" #include "hw/i386/pc.h" #include "hw/i386/apic.h" #include "hw/pci-host/i440fx.h" #include "hw/rtc/mc146818rtc.h" #include "hw/southbridge/piix.h" #include "hw/display/ramfb.h" #include "hw/pci/pci.h" #include "hw/pci/pci_ids.h" #include "hw/usb.h" #include "net/net.h" #include "hw/ide/isa.h" #include "hw/ide/pci.h" #include "hw/irq.h" #include "sysemu/kvm.h" #include "hw/i386/kvm/clock.h" #include "hw/sysbus.h" #include "hw/i2c/smbus_eeprom.h" #include "exec/memory.h" #include "hw/acpi/acpi.h" #include "qapi/error.h" #include "qemu/error-report.h" #include "sysemu/xen.h" #ifdef CONFIG_XEN #include #include "hw/xen/xen_pt.h" #include "hw/xen/xen_igd.h" #endif #include "hw/xen/xen-x86.h" #include "hw/xen/xen.h" #include "migration/global_state.h" #include "migration/misc.h" #include "sysemu/runstate.h" #include "sysemu/numa.h" #include "hw/hyperv/vmbus-bridge.h" #include "hw/mem/nvdimm.h" #include "hw/i386/acpi-build.h" #include "kvm/kvm-cpu.h" #include "target/i386/cpu.h" #define XEN_IOAPIC_NUM_PIRQS 128ULL #ifdef CONFIG_IDE_ISA static const int ide_iobase[MAX_IDE_BUS] = { 0x1f0, 0x170 }; static const int ide_iobase2[MAX_IDE_BUS] = { 0x3f6, 0x376 }; static const int ide_irq[MAX_IDE_BUS] = { 14, 15 }; #endif /* * Return the global irq number corresponding to a given device irq * pin. We could also use the bus number to have a more precise mapping. */ static int pc_pci_slot_get_pirq(PCIDevice *pci_dev, int pci_intx) { int slot_addend; slot_addend = PCI_SLOT(pci_dev->devfn) - 1; return (pci_intx + slot_addend) & 3; } static void piix_intx_routing_notifier_xen(PCIDevice *dev) { int i; /* Scan for updates to PCI link routes. */ for (i = 0; i < PIIX_NUM_PIRQS; i++) { const PCIINTxRoute route = pci_device_route_intx_to_irq(dev, i); const uint8_t v = route.mode == PCI_INTX_ENABLED ? route.irq : 0; xen_set_pci_link_route(i, v); } } /* PC hardware initialisation */ static void pc_init1(MachineState *machine, const char *pci_type) { PCMachineState *pcms = PC_MACHINE(machine); PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms); X86MachineState *x86ms = X86_MACHINE(machine); MemoryRegion *system_memory = get_system_memory(); MemoryRegion *system_io = get_system_io(); Object *phb = NULL; ISABus *isa_bus; Object *piix4_pm = NULL; qemu_irq smi_irq; GSIState *gsi_state; MemoryRegion *ram_memory; MemoryRegion *pci_memory = NULL; MemoryRegion *rom_memory = system_memory; ram_addr_t lowmem; uint64_t hole64_size = 0; /* * Calculate ram split, for memory below and above 4G. It's a bit * complicated for backward compatibility reasons ... * * - Traditional split is 3.5G (lowmem = 0xe0000000). This is the * default value for max_ram_below_4g now. * * - Then, to gigabyte align the memory, we move the split to 3G * (lowmem = 0xc0000000). But only in case we have to split in * the first place, i.e. ram_size is larger than (traditional) * lowmem. And for new machine types (gigabyte_align = true) * only, for live migration compatibility reasons. * * - Next the max-ram-below-4g option was added, which allowed to * reduce lowmem to a smaller value, to allow a larger PCI I/O * window below 4G. qemu doesn't enforce gigabyte alignment here, * but prints a warning. * * - Finally max-ram-below-4g got updated to also allow raising lowmem, * so legacy non-PAE guests can get as much memory as possible in * the 32bit address space below 4G. * * - Note that Xen has its own ram setup code in xen_ram_init(), * called via xen_hvm_init_pc(). * * Examples: * qemu -M pc-1.7 -m 4G (old default) -> 3584M low, 512M high * qemu -M pc -m 4G (new default) -> 3072M low, 1024M high * qemu -M pc,max-ram-below-4g=2G -m 4G -> 2048M low, 2048M high * qemu -M pc,max-ram-below-4g=4G -m 3968M -> 3968M low (=4G-128M) */ if (xen_enabled()) { xen_hvm_init_pc(pcms, &ram_memory); } else { ram_memory = machine->ram; if (!pcms->max_ram_below_4g) { pcms->max_ram_below_4g = 0xe0000000; /* default: 3.5G */ } lowmem = pcms->max_ram_below_4g; if (machine->ram_size >= pcms->max_ram_below_4g) { if (pcmc->gigabyte_align) { if (lowmem > 0xc0000000) { lowmem = 0xc0000000; } if (lowmem & (1 * GiB - 1)) { warn_report("Large machine and max_ram_below_4g " "(%" PRIu64 ") not a multiple of 1G; " "possible bad performance.", pcms->max_ram_below_4g); } } } 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; } } pc_machine_init_sgx_epc(pcms); x86_cpus_init(x86ms, pcmc->default_cpu_version); if (kvm_enabled()) { kvmclock_create(pcmc->kvmclock_create_always); } if (pcmc->pci_enabled) { pci_memory = g_new(MemoryRegion, 1); memory_region_init(pci_memory, NULL, "pci", UINT64_MAX); rom_memory = pci_memory; phb = OBJECT(qdev_new(TYPE_I440FX_PCI_HOST_BRIDGE)); object_property_add_child(OBJECT(machine), "i440fx", phb); object_property_set_link(phb, PCI_HOST_PROP_RAM_MEM, OBJECT(ram_memory), &error_fatal); object_property_set_link(phb, PCI_HOST_PROP_PCI_MEM, OBJECT(pci_memory), &error_fatal); object_property_set_link(phb, PCI_HOST_PROP_SYSTEM_MEM, OBJECT(system_memory), &error_fatal); object_property_set_link(phb, PCI_HOST_PROP_IO_MEM, OBJECT(system_io), &error_fatal); object_property_set_uint(phb, PCI_HOST_BELOW_4G_MEM_SIZE, x86ms->below_4g_mem_size, &error_fatal); object_property_set_uint(phb, PCI_HOST_ABOVE_4G_MEM_SIZE, x86ms->above_4g_mem_size, &error_fatal); object_property_set_str(phb, I440FX_HOST_PROP_PCI_TYPE, pci_type, &error_fatal); sysbus_realize_and_unref(SYS_BUS_DEVICE(phb), &error_fatal); pcms->pcibus = PCI_BUS(qdev_get_child_bus(DEVICE(phb), "pci.0")); pci_bus_map_irqs(pcms->pcibus, xen_enabled() ? xen_pci_slot_get_pirq : pc_pci_slot_get_pirq); hole64_size = object_property_get_uint(phb, PCI_HOST_PROP_PCI_HOLE64_SIZE, &error_abort); } /* allocate ram and load rom/bios */ if (!xen_enabled()) { pc_memory_init(pcms, system_memory, rom_memory, hole64_size); } else { assert(machine->ram_size == x86ms->below_4g_mem_size + x86ms->above_4g_mem_size); pc_system_flash_cleanup_unused(pcms); if (machine->kernel_filename != NULL) { /* For xen HVM direct kernel boot, load linux here */ xen_load_linux(pcms); } } gsi_state = pc_gsi_create(&x86ms->gsi, pcmc->pci_enabled); if (pcmc->pci_enabled) { PCIDevice *pci_dev; DeviceState *dev; size_t i; pci_dev = pci_new_multifunction(-1, pcms->south_bridge); object_property_set_bool(OBJECT(pci_dev), "has-usb", machine_usb(machine), &error_abort); object_property_set_bool(OBJECT(pci_dev), "has-acpi", x86_machine_is_acpi_enabled(x86ms), &error_abort); object_property_set_bool(OBJECT(pci_dev), "has-pic", false, &error_abort); object_property_set_bool(OBJECT(pci_dev), "has-pit", false, &error_abort); qdev_prop_set_uint32(DEVICE(pci_dev), "smb_io_base", 0xb100); object_property_set_bool(OBJECT(pci_dev), "smm-enabled", x86_machine_is_smm_enabled(x86ms), &error_abort); dev = DEVICE(pci_dev); for (i = 0; i < ISA_NUM_IRQS; i++) { qdev_connect_gpio_out_named(dev, "isa-irqs", i, x86ms->gsi[i]); } pci_realize_and_unref(pci_dev, pcms->pcibus, &error_fatal); if (xen_enabled()) { pci_device_set_intx_routing_notifier( pci_dev, piix_intx_routing_notifier_xen); /* * Xen supports additional interrupt routes from the PCI devices to * the IOAPIC: the four pins of each PCI device on the bus are also * connected to the IOAPIC directly. * These additional routes can be discovered through ACPI. */ pci_bus_irqs(pcms->pcibus, xen_intx_set_irq, pci_dev, XEN_IOAPIC_NUM_PIRQS); } isa_bus = ISA_BUS(qdev_get_child_bus(DEVICE(pci_dev), "isa.0")); x86ms->rtc = ISA_DEVICE(object_resolve_path_component(OBJECT(pci_dev), "rtc")); piix4_pm = object_resolve_path_component(OBJECT(pci_dev), "pm"); dev = DEVICE(object_resolve_path_component(OBJECT(pci_dev), "ide")); pci_ide_create_devs(PCI_DEVICE(dev)); pcms->idebus[0] = qdev_get_child_bus(dev, "ide.0"); pcms->idebus[1] = qdev_get_child_bus(dev, "ide.1"); } else { isa_bus = isa_bus_new(NULL, system_memory, system_io, &error_abort); isa_bus_register_input_irqs(isa_bus, x86ms->gsi); x86ms->rtc = isa_new(TYPE_MC146818_RTC); qdev_prop_set_int32(DEVICE(x86ms->rtc), "base_year", 2000); isa_realize_and_unref(x86ms->rtc, isa_bus, &error_fatal); i8257_dma_init(OBJECT(machine), isa_bus, 0); pcms->hpet_enabled = false; } if (x86ms->pic == ON_OFF_AUTO_ON || x86ms->pic == ON_OFF_AUTO_AUTO) { pc_i8259_create(isa_bus, gsi_state->i8259_irq); } if (phb) { ioapic_init_gsi(gsi_state, phb); } if (tcg_enabled()) { x86_register_ferr_irq(x86ms->gsi[13]); } pc_vga_init(isa_bus, pcmc->pci_enabled ? pcms->pcibus : NULL); assert(pcms->vmport != ON_OFF_AUTO__MAX); if (pcms->vmport == ON_OFF_AUTO_AUTO) { pcms->vmport = xen_enabled() ? ON_OFF_AUTO_OFF : ON_OFF_AUTO_ON; } /* init basic PC hardware */ pc_basic_device_init(pcms, isa_bus, x86ms->gsi, x86ms->rtc, true, 0x4); pc_nic_init(pcmc, isa_bus, pcms->pcibus); #ifdef CONFIG_IDE_ISA if (!pcmc->pci_enabled) { DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS]; int i; ide_drive_get(hd, ARRAY_SIZE(hd)); for (i = 0; i < MAX_IDE_BUS; i++) { ISADevice *dev; char busname[] = "ide.0"; dev = isa_ide_init(isa_bus, ide_iobase[i], ide_iobase2[i], ide_irq[i], hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]); /* * The ide bus name is ide.0 for the first bus and ide.1 for the * second one. */ busname[4] = '0' + i; pcms->idebus[i] = qdev_get_child_bus(DEVICE(dev), busname); } } #endif if (piix4_pm) { smi_irq = qemu_allocate_irq(pc_acpi_smi_interrupt, first_cpu, 0); qdev_connect_gpio_out_named(DEVICE(piix4_pm), "smi-irq", 0, smi_irq); pcms->smbus = I2C_BUS(qdev_get_child_bus(DEVICE(piix4_pm), "i2c")); /* TODO: Populate SPD eeprom data. */ smbus_eeprom_init(pcms->smbus, 8, NULL, 0); object_property_add_link(OBJECT(machine), PC_MACHINE_ACPI_DEVICE_PROP, TYPE_HOTPLUG_HANDLER, (Object **)&x86ms->acpi_dev, object_property_allow_set_link, OBJ_PROP_LINK_STRONG); object_property_set_link(OBJECT(machine), PC_MACHINE_ACPI_DEVICE_PROP, piix4_pm, &error_abort); } if (machine->nvdimms_state->is_enabled) { nvdimm_init_acpi_state(machine->nvdimms_state, system_io, x86_nvdimm_acpi_dsmio, x86ms->fw_cfg, OBJECT(pcms)); } } typedef enum PCSouthBridgeOption { PC_SOUTH_BRIDGE_OPTION_PIIX3, PC_SOUTH_BRIDGE_OPTION_PIIX4, PC_SOUTH_BRIDGE_OPTION_MAX, } PCSouthBridgeOption; static const QEnumLookup PCSouthBridgeOption_lookup = { .array = (const char *const[]) { [PC_SOUTH_BRIDGE_OPTION_PIIX3] = TYPE_PIIX3_DEVICE, [PC_SOUTH_BRIDGE_OPTION_PIIX4] = TYPE_PIIX4_PCI_DEVICE, }, .size = PC_SOUTH_BRIDGE_OPTION_MAX }; static int pc_get_south_bridge(Object *obj, Error **errp) { PCMachineState *pcms = PC_MACHINE(obj); int i; for (i = 0; i < PCSouthBridgeOption_lookup.size; i++) { if (g_strcmp0(PCSouthBridgeOption_lookup.array[i], pcms->south_bridge) == 0) { return i; } } error_setg(errp, "Invalid south bridge value set"); return 0; } static void pc_set_south_bridge(Object *obj, int value, Error **errp) { PCMachineState *pcms = PC_MACHINE(obj); if (value < 0) { error_setg(errp, "Value can't be negative"); return; } if (value >= PCSouthBridgeOption_lookup.size) { error_setg(errp, "Value too big"); return; } pcms->south_bridge = PCSouthBridgeOption_lookup.array[value]; } /* Looking for a pc_compat_2_4() function? It doesn't exist. * pc_compat_*() functions that run on machine-init time and * change global QEMU state are deprecated. Please don't create * one, and implement any pc-*-2.4 (and newer) compat code in * hw_compat_*, pc_compat_*, or * pc_*_machine_options(). */ static void pc_compat_2_3_fn(MachineState *machine) { X86MachineState *x86ms = X86_MACHINE(machine); if (kvm_enabled()) { x86ms->smm = ON_OFF_AUTO_OFF; } } static void pc_compat_2_2_fn(MachineState *machine) { pc_compat_2_3_fn(machine); } static void pc_compat_2_1_fn(MachineState *machine) { pc_compat_2_2_fn(machine); x86_cpu_change_kvm_default("svm", NULL); } static void pc_compat_2_0_fn(MachineState *machine) { pc_compat_2_1_fn(machine); } #ifdef CONFIG_ISAPC static void pc_init_isa(MachineState *machine) { pc_init1(machine, NULL); } #endif #ifdef CONFIG_XEN static void pc_xen_hvm_init_pci(MachineState *machine) { const char *pci_type = xen_igd_gfx_pt_enabled() ? TYPE_IGD_PASSTHROUGH_I440FX_PCI_DEVICE : TYPE_I440FX_PCI_DEVICE; pc_init1(machine, pci_type); } static void pc_xen_hvm_init(MachineState *machine) { PCMachineState *pcms = PC_MACHINE(machine); if (!xen_enabled()) { error_report("xenfv machine requires the xen accelerator"); exit(1); } pc_xen_hvm_init_pci(machine); xen_igd_reserve_slot(pcms->pcibus); pci_create_simple(pcms->pcibus, -1, "xen-platform"); } #endif #define DEFINE_I440FX_MACHINE(suffix, name, compatfn, optionfn) \ static void pc_init_##suffix(MachineState *machine) \ { \ void (*compat)(MachineState *m) = (compatfn); \ if (compat) { \ compat(machine); \ } \ pc_init1(machine, TYPE_I440FX_PCI_DEVICE); \ } \ DEFINE_PC_MACHINE(suffix, name, pc_init_##suffix, optionfn) static void pc_i440fx_machine_options(MachineClass *m) { PCMachineClass *pcmc = PC_MACHINE_CLASS(m); ObjectClass *oc = OBJECT_CLASS(m); pcmc->default_south_bridge = TYPE_PIIX3_DEVICE; pcmc->pci_root_uid = 0; pcmc->default_cpu_version = 1; m->family = "pc_piix"; m->desc = "Standard PC (i440FX + PIIX, 1996)"; m->default_machine_opts = "firmware=bios-256k.bin"; m->default_display = "std"; m->default_nic = "e1000"; m->no_parallel = !module_object_class_by_name(TYPE_ISA_PARALLEL); machine_class_allow_dynamic_sysbus_dev(m, TYPE_RAMFB_DEVICE); machine_class_allow_dynamic_sysbus_dev(m, TYPE_VMBUS_BRIDGE); object_class_property_add_enum(oc, "x-south-bridge", "PCSouthBridgeOption", &PCSouthBridgeOption_lookup, pc_get_south_bridge, pc_set_south_bridge); object_class_property_set_description(oc, "x-south-bridge", "Use a different south bridge than PIIX3"); } static void pc_i440fx_9_0_machine_options(MachineClass *m) { pc_i440fx_machine_options(m); m->alias = "pc"; m->is_default = true; } DEFINE_I440FX_MACHINE(v9_0, "pc-i440fx-9.0", NULL, pc_i440fx_9_0_machine_options); static void pc_i440fx_8_2_machine_options(MachineClass *m) { pc_i440fx_9_0_machine_options(m); m->alias = NULL; m->is_default = false; compat_props_add(m->compat_props, hw_compat_8_2, hw_compat_8_2_len); compat_props_add(m->compat_props, pc_compat_8_2, pc_compat_8_2_len); } DEFINE_I440FX_MACHINE(v8_2, "pc-i440fx-8.2", NULL, pc_i440fx_8_2_machine_options); static void pc_i440fx_8_1_machine_options(MachineClass *m) { PCMachineClass *pcmc = PC_MACHINE_CLASS(m); pc_i440fx_8_2_machine_options(m); pcmc->broken_32bit_mem_addr_check = true; compat_props_add(m->compat_props, hw_compat_8_1, hw_compat_8_1_len); compat_props_add(m->compat_props, pc_compat_8_1, pc_compat_8_1_len); } DEFINE_I440FX_MACHINE(v8_1, "pc-i440fx-8.1", NULL, pc_i440fx_8_1_machine_options); static void pc_i440fx_8_0_machine_options(MachineClass *m) { PCMachineClass *pcmc = PC_MACHINE_CLASS(m); pc_i440fx_8_1_machine_options(m); compat_props_add(m->compat_props, hw_compat_8_0, hw_compat_8_0_len); compat_props_add(m->compat_props, pc_compat_8_0, pc_compat_8_0_len); /* For pc-i44fx-8.0 and older, use SMBIOS 2.8 by default */ pcmc->default_smbios_ep_type = SMBIOS_ENTRY_POINT_TYPE_32; } DEFINE_I440FX_MACHINE(v8_0, "pc-i440fx-8.0", NULL, pc_i440fx_8_0_machine_options); static void pc_i440fx_7_2_machine_options(MachineClass *m) { pc_i440fx_8_0_machine_options(m); compat_props_add(m->compat_props, hw_compat_7_2, hw_compat_7_2_len); compat_props_add(m->compat_props, pc_compat_7_2, pc_compat_7_2_len); } DEFINE_I440FX_MACHINE(v7_2, "pc-i440fx-7.2", NULL, pc_i440fx_7_2_machine_options); static void pc_i440fx_7_1_machine_options(MachineClass *m) { pc_i440fx_7_2_machine_options(m); compat_props_add(m->compat_props, hw_compat_7_1, hw_compat_7_1_len); compat_props_add(m->compat_props, pc_compat_7_1, pc_compat_7_1_len); } DEFINE_I440FX_MACHINE(v7_1, "pc-i440fx-7.1", NULL, pc_i440fx_7_1_machine_options); static void pc_i440fx_7_0_machine_options(MachineClass *m) { PCMachineClass *pcmc = PC_MACHINE_CLASS(m); pc_i440fx_7_1_machine_options(m); pcmc->enforce_amd_1tb_hole = false; compat_props_add(m->compat_props, hw_compat_7_0, hw_compat_7_0_len); compat_props_add(m->compat_props, pc_compat_7_0, pc_compat_7_0_len); } DEFINE_I440FX_MACHINE(v7_0, "pc-i440fx-7.0", NULL, pc_i440fx_7_0_machine_options); static void pc_i440fx_6_2_machine_options(MachineClass *m) { pc_i440fx_7_0_machine_options(m); compat_props_add(m->compat_props, hw_compat_6_2, hw_compat_6_2_len); compat_props_add(m->compat_props, pc_compat_6_2, pc_compat_6_2_len); } DEFINE_I440FX_MACHINE(v6_2, "pc-i440fx-6.2", NULL, pc_i440fx_6_2_machine_options); static void pc_i440fx_6_1_machine_options(MachineClass *m) { pc_i440fx_6_2_machine_options(m); compat_props_add(m->compat_props, hw_compat_6_1, hw_compat_6_1_len); compat_props_add(m->compat_props, pc_compat_6_1, pc_compat_6_1_len); m->smp_props.prefer_sockets = true; } DEFINE_I440FX_MACHINE(v6_1, "pc-i440fx-6.1", NULL, pc_i440fx_6_1_machine_options); static void pc_i440fx_6_0_machine_options(MachineClass *m) { pc_i440fx_6_1_machine_options(m); compat_props_add(m->compat_props, hw_compat_6_0, hw_compat_6_0_len); compat_props_add(m->compat_props, pc_compat_6_0, pc_compat_6_0_len); } DEFINE_I440FX_MACHINE(v6_0, "pc-i440fx-6.0", NULL, pc_i440fx_6_0_machine_options); static void pc_i440fx_5_2_machine_options(MachineClass *m) { pc_i440fx_6_0_machine_options(m); compat_props_add(m->compat_props, hw_compat_5_2, hw_compat_5_2_len); compat_props_add(m->compat_props, pc_compat_5_2, pc_compat_5_2_len); } DEFINE_I440FX_MACHINE(v5_2, "pc-i440fx-5.2", NULL, pc_i440fx_5_2_machine_options); static void pc_i440fx_5_1_machine_options(MachineClass *m) { PCMachineClass *pcmc = PC_MACHINE_CLASS(m); pc_i440fx_5_2_machine_options(m); compat_props_add(m->compat_props, hw_compat_5_1, hw_compat_5_1_len); compat_props_add(m->compat_props, pc_compat_5_1, pc_compat_5_1_len); pcmc->kvmclock_create_always = false; pcmc->pci_root_uid = 1; } DEFINE_I440FX_MACHINE(v5_1, "pc-i440fx-5.1", NULL, pc_i440fx_5_1_machine_options); static void pc_i440fx_5_0_machine_options(MachineClass *m) { pc_i440fx_5_1_machine_options(m); m->numa_mem_supported = true; compat_props_add(m->compat_props, hw_compat_5_0, hw_compat_5_0_len); compat_props_add(m->compat_props, pc_compat_5_0, pc_compat_5_0_len); m->auto_enable_numa_with_memdev = false; } DEFINE_I440FX_MACHINE(v5_0, "pc-i440fx-5.0", NULL, pc_i440fx_5_0_machine_options); static void pc_i440fx_4_2_machine_options(MachineClass *m) { pc_i440fx_5_0_machine_options(m); compat_props_add(m->compat_props, hw_compat_4_2, hw_compat_4_2_len); compat_props_add(m->compat_props, pc_compat_4_2, pc_compat_4_2_len); } DEFINE_I440FX_MACHINE(v4_2, "pc-i440fx-4.2", NULL, pc_i440fx_4_2_machine_options); static void pc_i440fx_4_1_machine_options(MachineClass *m) { pc_i440fx_4_2_machine_options(m); compat_props_add(m->compat_props, hw_compat_4_1, hw_compat_4_1_len); compat_props_add(m->compat_props, pc_compat_4_1, pc_compat_4_1_len); } DEFINE_I440FX_MACHINE(v4_1, "pc-i440fx-4.1", NULL, pc_i440fx_4_1_machine_options); static void pc_i440fx_4_0_machine_options(MachineClass *m) { PCMachineClass *pcmc = PC_MACHINE_CLASS(m); pc_i440fx_4_1_machine_options(m); pcmc->default_cpu_version = CPU_VERSION_LEGACY; compat_props_add(m->compat_props, hw_compat_4_0, hw_compat_4_0_len); compat_props_add(m->compat_props, pc_compat_4_0, pc_compat_4_0_len); } DEFINE_I440FX_MACHINE(v4_0, "pc-i440fx-4.0", NULL, pc_i440fx_4_0_machine_options); static void pc_i440fx_3_1_machine_options(MachineClass *m) { PCMachineClass *pcmc = PC_MACHINE_CLASS(m); pc_i440fx_4_0_machine_options(m); m->smbus_no_migration_support = true; pcmc->pvh_enabled = false; compat_props_add(m->compat_props, hw_compat_3_1, hw_compat_3_1_len); compat_props_add(m->compat_props, pc_compat_3_1, pc_compat_3_1_len); } DEFINE_I440FX_MACHINE(v3_1, "pc-i440fx-3.1", NULL, pc_i440fx_3_1_machine_options); static void pc_i440fx_3_0_machine_options(MachineClass *m) { pc_i440fx_3_1_machine_options(m); compat_props_add(m->compat_props, hw_compat_3_0, hw_compat_3_0_len); compat_props_add(m->compat_props, pc_compat_3_0, pc_compat_3_0_len); } DEFINE_I440FX_MACHINE(v3_0, "pc-i440fx-3.0", NULL, pc_i440fx_3_0_machine_options); static void pc_i440fx_2_12_machine_options(MachineClass *m) { pc_i440fx_3_0_machine_options(m); compat_props_add(m->compat_props, hw_compat_2_12, hw_compat_2_12_len); compat_props_add(m->compat_props, pc_compat_2_12, pc_compat_2_12_len); } DEFINE_I440FX_MACHINE(v2_12, "pc-i440fx-2.12", NULL, pc_i440fx_2_12_machine_options); static void pc_i440fx_2_11_machine_options(MachineClass *m) { pc_i440fx_2_12_machine_options(m); compat_props_add(m->compat_props, hw_compat_2_11, hw_compat_2_11_len); compat_props_add(m->compat_props, pc_compat_2_11, pc_compat_2_11_len); } DEFINE_I440FX_MACHINE(v2_11, "pc-i440fx-2.11", NULL, pc_i440fx_2_11_machine_options); static void pc_i440fx_2_10_machine_options(MachineClass *m) { pc_i440fx_2_11_machine_options(m); compat_props_add(m->compat_props, hw_compat_2_10, hw_compat_2_10_len); compat_props_add(m->compat_props, pc_compat_2_10, pc_compat_2_10_len); m->auto_enable_numa_with_memhp = false; } DEFINE_I440FX_MACHINE(v2_10, "pc-i440fx-2.10", NULL, pc_i440fx_2_10_machine_options); static void pc_i440fx_2_9_machine_options(MachineClass *m) { pc_i440fx_2_10_machine_options(m); compat_props_add(m->compat_props, hw_compat_2_9, hw_compat_2_9_len); compat_props_add(m->compat_props, pc_compat_2_9, pc_compat_2_9_len); } DEFINE_I440FX_MACHINE(v2_9, "pc-i440fx-2.9", NULL, pc_i440fx_2_9_machine_options); static void pc_i440fx_2_8_machine_options(MachineClass *m) { pc_i440fx_2_9_machine_options(m); compat_props_add(m->compat_props, hw_compat_2_8, hw_compat_2_8_len); compat_props_add(m->compat_props, pc_compat_2_8, pc_compat_2_8_len); } DEFINE_I440FX_MACHINE(v2_8, "pc-i440fx-2.8", NULL, pc_i440fx_2_8_machine_options); static void pc_i440fx_2_7_machine_options(MachineClass *m) { pc_i440fx_2_8_machine_options(m); compat_props_add(m->compat_props, hw_compat_2_7, hw_compat_2_7_len); compat_props_add(m->compat_props, pc_compat_2_7, pc_compat_2_7_len); } DEFINE_I440FX_MACHINE(v2_7, "pc-i440fx-2.7", NULL, pc_i440fx_2_7_machine_options); static void pc_i440fx_2_6_machine_options(MachineClass *m) { X86MachineClass *x86mc = X86_MACHINE_CLASS(m); PCMachineClass *pcmc = PC_MACHINE_CLASS(m); pc_i440fx_2_7_machine_options(m); pcmc->legacy_cpu_hotplug = true; x86mc->fwcfg_dma_enabled = false; compat_props_add(m->compat_props, hw_compat_2_6, hw_compat_2_6_len); compat_props_add(m->compat_props, pc_compat_2_6, pc_compat_2_6_len); } DEFINE_I440FX_MACHINE(v2_6, "pc-i440fx-2.6", NULL, pc_i440fx_2_6_machine_options); static void pc_i440fx_2_5_machine_options(MachineClass *m) { X86MachineClass *x86mc = X86_MACHINE_CLASS(m); pc_i440fx_2_6_machine_options(m); x86mc->save_tsc_khz = false; m->legacy_fw_cfg_order = 1; compat_props_add(m->compat_props, hw_compat_2_5, hw_compat_2_5_len); compat_props_add(m->compat_props, pc_compat_2_5, pc_compat_2_5_len); } DEFINE_I440FX_MACHINE(v2_5, "pc-i440fx-2.5", NULL, pc_i440fx_2_5_machine_options); static void pc_i440fx_2_4_machine_options(MachineClass *m) { PCMachineClass *pcmc = PC_MACHINE_CLASS(m); pc_i440fx_2_5_machine_options(m); m->hw_version = "2.4.0"; pcmc->broken_reserved_end = true; compat_props_add(m->compat_props, hw_compat_2_4, hw_compat_2_4_len); compat_props_add(m->compat_props, pc_compat_2_4, pc_compat_2_4_len); } DEFINE_I440FX_MACHINE(v2_4, "pc-i440fx-2.4", NULL, pc_i440fx_2_4_machine_options) static void pc_i440fx_2_3_machine_options(MachineClass *m) { pc_i440fx_2_4_machine_options(m); m->hw_version = "2.3.0"; m->deprecation_reason = "old and unattended - use a newer version instead"; compat_props_add(m->compat_props, hw_compat_2_3, hw_compat_2_3_len); compat_props_add(m->compat_props, pc_compat_2_3, pc_compat_2_3_len); } DEFINE_I440FX_MACHINE(v2_3, "pc-i440fx-2.3", pc_compat_2_3_fn, pc_i440fx_2_3_machine_options); static void pc_i440fx_2_2_machine_options(MachineClass *m) { PCMachineClass *pcmc = PC_MACHINE_CLASS(m); pc_i440fx_2_3_machine_options(m); m->hw_version = "2.2.0"; m->default_machine_opts = "firmware=bios-256k.bin,suppress-vmdesc=on"; compat_props_add(m->compat_props, hw_compat_2_2, hw_compat_2_2_len); compat_props_add(m->compat_props, pc_compat_2_2, pc_compat_2_2_len); pcmc->rsdp_in_ram = false; pcmc->resizable_acpi_blob = false; } DEFINE_I440FX_MACHINE(v2_2, "pc-i440fx-2.2", pc_compat_2_2_fn, pc_i440fx_2_2_machine_options); static void pc_i440fx_2_1_machine_options(MachineClass *m) { PCMachineClass *pcmc = PC_MACHINE_CLASS(m); pc_i440fx_2_2_machine_options(m); m->hw_version = "2.1.0"; m->default_display = NULL; compat_props_add(m->compat_props, hw_compat_2_1, hw_compat_2_1_len); compat_props_add(m->compat_props, pc_compat_2_1, pc_compat_2_1_len); pcmc->smbios_uuid_encoded = false; pcmc->enforce_aligned_dimm = false; } DEFINE_I440FX_MACHINE(v2_1, "pc-i440fx-2.1", pc_compat_2_1_fn, pc_i440fx_2_1_machine_options); static void pc_i440fx_2_0_machine_options(MachineClass *m) { PCMachineClass *pcmc = PC_MACHINE_CLASS(m); pc_i440fx_2_1_machine_options(m); m->hw_version = "2.0.0"; compat_props_add(m->compat_props, pc_compat_2_0, pc_compat_2_0_len); pcmc->smbios_legacy_mode = true; pcmc->has_reserved_memory = false; /* This value depends on the actual DSDT and SSDT compiled into * the source QEMU; unfortunately it depends on the binary and * not on the machine type, so we cannot make pc-i440fx-1.7 work on * both QEMU 1.7 and QEMU 2.0. * * Large variations cause migration to fail for more than one * consecutive value of the "-smp" maxcpus option. * * For small variations of the kind caused by different iasl versions, * the 4k rounding usually leaves slack. However, there could be still * one or two values that break. For QEMU 1.7 and QEMU 2.0 the * slack is only ~10 bytes before one "-smp maxcpus" value breaks! * * 6652 is valid for QEMU 2.0, the right value for pc-i440fx-1.7 on * QEMU 1.7 it is 6414. For RHEL/CentOS 7.0 it is 6418. */ pcmc->legacy_acpi_table_size = 6652; pcmc->acpi_data_size = 0x10000; } DEFINE_I440FX_MACHINE(v2_0, "pc-i440fx-2.0", pc_compat_2_0_fn, pc_i440fx_2_0_machine_options); #ifdef CONFIG_ISAPC static void isapc_machine_options(MachineClass *m) { PCMachineClass *pcmc = PC_MACHINE_CLASS(m); m->desc = "ISA-only PC"; m->max_cpus = 1; m->option_rom_has_mr = true; m->rom_file_has_mr = false; pcmc->pci_enabled = false; pcmc->has_acpi_build = false; pcmc->smbios_defaults = false; pcmc->gigabyte_align = false; pcmc->smbios_legacy_mode = true; pcmc->has_reserved_memory = false; m->default_nic = "ne2k_isa"; m->default_cpu_type = X86_CPU_TYPE_NAME("486"); m->no_parallel = !module_object_class_by_name(TYPE_ISA_PARALLEL); } DEFINE_PC_MACHINE(isapc, "isapc", pc_init_isa, isapc_machine_options); #endif #ifdef CONFIG_XEN static void xenfv_4_2_machine_options(MachineClass *m) { pc_i440fx_4_2_machine_options(m); m->desc = "Xen Fully-virtualized PC"; m->max_cpus = HVM_MAX_VCPUS; m->default_machine_opts = "accel=xen,suppress-vmdesc=on"; } DEFINE_PC_MACHINE(xenfv_4_2, "xenfv-4.2", pc_xen_hvm_init, xenfv_4_2_machine_options); static void xenfv_3_1_machine_options(MachineClass *m) { pc_i440fx_3_1_machine_options(m); m->desc = "Xen Fully-virtualized PC"; m->alias = "xenfv"; m->max_cpus = HVM_MAX_VCPUS; m->default_machine_opts = "accel=xen,suppress-vmdesc=on"; } DEFINE_PC_MACHINE(xenfv, "xenfv-3.1", pc_xen_hvm_init, xenfv_3_1_machine_options); #endif