/* * 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 "hw/hw.h" #include "hw/loader.h" #include "hw/i386/pc.h" #include "hw/i386/apic.h" #include "hw/smbios/smbios.h" #include "hw/pci/pci.h" #include "hw/pci/pci_ids.h" #include "hw/usb.h" #include "net/net.h" #include "hw/boards.h" #include "hw/ide.h" #include "sysemu/kvm.h" #include "hw/kvm/clock.h" #include "sysemu/sysemu.h" #include "hw/sysbus.h" #include "sysemu/arch_init.h" #include "sysemu/block-backend.h" #include "hw/i2c/smbus.h" #include "hw/xen/xen.h" #include "exec/memory.h" #include "exec/address-spaces.h" #include "hw/acpi/acpi.h" #include "cpu.h" #include "qemu/error-report.h" #ifdef CONFIG_XEN #include #include "hw/xen/xen_pt.h" #endif #include "migration/migration.h" #include "kvm_i386.h" #define MAX_IDE_BUS 2 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 }; /* PC hardware initialisation */ static void pc_init1(MachineState *machine, const char *host_type, const char *pci_type) { PCMachineState *pcms = PC_MACHINE(machine); PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms); MemoryRegion *system_memory = get_system_memory(); MemoryRegion *system_io = get_system_io(); int i; PCIBus *pci_bus; ISABus *isa_bus; PCII440FXState *i440fx_state; int piix3_devfn = -1; qemu_irq *gsi; qemu_irq *i8259; qemu_irq smi_irq; GSIState *gsi_state; DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS]; BusState *idebus[MAX_IDE_BUS]; ISADevice *rtc_state; MemoryRegion *ram_memory; MemoryRegion *pci_memory; MemoryRegion *rom_memory; ram_addr_t lowmem; /* * 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. * * 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) */ 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 & ((1ULL << 30) - 1)) { error_report("Warning: 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) { pcms->above_4g_mem_size = machine->ram_size - lowmem; pcms->below_4g_mem_size = lowmem; } else { pcms->above_4g_mem_size = 0; pcms->below_4g_mem_size = machine->ram_size; } if (xen_enabled()) { xen_hvm_init(pcms, &ram_memory); } pc_cpus_init(pcms); if (kvm_enabled() && pcmc->kvmclock_enabled) { kvmclock_create(); } if (pcmc->pci_enabled) { pci_memory = g_new(MemoryRegion, 1); memory_region_init(pci_memory, NULL, "pci", UINT64_MAX); rom_memory = pci_memory; } else { pci_memory = NULL; rom_memory = system_memory; } pc_guest_info_init(pcms); if (pcmc->smbios_defaults) { MachineClass *mc = MACHINE_GET_CLASS(machine); /* These values are guest ABI, do not change */ smbios_set_defaults("QEMU", "Standard PC (i440FX + PIIX, 1996)", mc->name, pcmc->smbios_legacy_mode, pcmc->smbios_uuid_encoded, SMBIOS_ENTRY_POINT_21); } /* allocate ram and load rom/bios */ if (!xen_enabled()) { pc_memory_init(pcms, system_memory, rom_memory, &ram_memory); } else if (machine->kernel_filename != NULL) { /* For xen HVM direct kernel boot, load linux here */ xen_load_linux(pcms); } gsi_state = g_malloc0(sizeof(*gsi_state)); if (kvm_ioapic_in_kernel()) { kvm_pc_setup_irq_routing(pcmc->pci_enabled); gsi = qemu_allocate_irqs(kvm_pc_gsi_handler, gsi_state, GSI_NUM_PINS); } else { gsi = qemu_allocate_irqs(gsi_handler, gsi_state, GSI_NUM_PINS); } if (pcmc->pci_enabled) { pci_bus = i440fx_init(host_type, pci_type, &i440fx_state, &piix3_devfn, &isa_bus, gsi, system_memory, system_io, machine->ram_size, pcms->below_4g_mem_size, pcms->above_4g_mem_size, pci_memory, ram_memory); pcms->bus = pci_bus; } else { pci_bus = NULL; i440fx_state = NULL; isa_bus = isa_bus_new(NULL, get_system_memory(), system_io, &error_abort); no_hpet = 1; } isa_bus_irqs(isa_bus, gsi); if (kvm_pic_in_kernel()) { i8259 = kvm_i8259_init(isa_bus); } else if (xen_enabled()) { i8259 = xen_interrupt_controller_init(); } else { i8259 = i8259_init(isa_bus, pc_allocate_cpu_irq()); } for (i = 0; i < ISA_NUM_IRQS; i++) { gsi_state->i8259_irq[i] = i8259[i]; } g_free(i8259); if (pcmc->pci_enabled) { ioapic_init_gsi(gsi_state, "i440fx"); } pc_register_ferr_irq(gsi[13]); pc_vga_init(isa_bus, pcmc->pci_enabled ? pci_bus : 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(isa_bus, gsi, &rtc_state, true, (pcms->vmport != ON_OFF_AUTO_ON), 0x4); pc_nic_init(isa_bus, pci_bus); ide_drive_get(hd, ARRAY_SIZE(hd)); if (pcmc->pci_enabled) { PCIDevice *dev; if (xen_enabled()) { dev = pci_piix3_xen_ide_init(pci_bus, hd, piix3_devfn + 1); } else { dev = pci_piix3_ide_init(pci_bus, hd, piix3_devfn + 1); } idebus[0] = qdev_get_child_bus(&dev->qdev, "ide.0"); idebus[1] = qdev_get_child_bus(&dev->qdev, "ide.1"); } else { 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; idebus[i] = qdev_get_child_bus(DEVICE(dev), busname); } } pc_cmos_init(pcms, idebus[0], idebus[1], rtc_state); if (pcmc->pci_enabled && machine_usb(machine)) { pci_create_simple(pci_bus, piix3_devfn + 2, "piix3-usb-uhci"); } if (pcmc->pci_enabled && acpi_enabled) { DeviceState *piix4_pm; I2CBus *smbus; smi_irq = qemu_allocate_irq(pc_acpi_smi_interrupt, first_cpu, 0); /* TODO: Populate SPD eeprom data. */ smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100, gsi[9], smi_irq, pc_machine_is_smm_enabled(pcms), &piix4_pm); smbus_eeprom_init(smbus, 8, NULL, 0); object_property_add_link(OBJECT(machine), PC_MACHINE_ACPI_DEVICE_PROP, TYPE_HOTPLUG_HANDLER, (Object **)&pcms->acpi_dev, object_property_allow_set_link, OBJ_PROP_LINK_UNREF_ON_RELEASE, &error_abort); object_property_set_link(OBJECT(machine), OBJECT(piix4_pm), PC_MACHINE_ACPI_DEVICE_PROP, &error_abort); } if (pcmc->pci_enabled) { pc_pci_device_init(pci_bus); } if (pcms->acpi_nvdimm_state.is_enabled) { nvdimm_init_acpi_state(&pcms->acpi_nvdimm_state, system_io, pcms->fw_cfg, OBJECT(pcms)); } } /* 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(MachineState *machine) { PCMachineState *pcms = PC_MACHINE(machine); savevm_skip_section_footers(); if (kvm_enabled()) { pcms->smm = ON_OFF_AUTO_OFF; } global_state_set_optional(); savevm_skip_configuration(); } static void pc_compat_2_2(MachineState *machine) { pc_compat_2_3(machine); machine->suppress_vmdesc = true; } static void pc_compat_2_1(MachineState *machine) { pc_compat_2_2(machine); x86_cpu_change_kvm_default("svm", NULL); } static void pc_compat_2_0(MachineState *machine) { pc_compat_2_1(machine); } static void pc_compat_1_7(MachineState *machine) { pc_compat_2_0(machine); x86_cpu_change_kvm_default("x2apic", NULL); } static void pc_compat_1_6(MachineState *machine) { pc_compat_1_7(machine); } static void pc_compat_1_5(MachineState *machine) { pc_compat_1_6(machine); } static void pc_compat_1_4(MachineState *machine) { pc_compat_1_5(machine); } static void pc_compat_1_3(MachineState *machine) { pc_compat_1_4(machine); enable_compat_apic_id_mode(); } /* PC compat function for pc-0.14 to pc-1.2 */ static void pc_compat_1_2(MachineState *machine) { pc_compat_1_3(machine); x86_cpu_change_kvm_default("kvm-pv-eoi", NULL); } /* PC compat function for pc-0.10 to pc-0.13 */ static void pc_compat_0_13(MachineState *machine) { pc_compat_1_2(machine); } static void pc_init_isa(MachineState *machine) { if (!machine->cpu_model) { machine->cpu_model = "486"; } x86_cpu_change_kvm_default("kvm-pv-eoi", NULL); enable_compat_apic_id_mode(); pc_init1(machine, TYPE_I440FX_PCI_HOST_BRIDGE, TYPE_I440FX_PCI_DEVICE); } #ifdef CONFIG_XEN static void pc_xen_hvm_init_pci(MachineState *machine) { const char *pci_type = has_igd_gfx_passthru ? TYPE_IGD_PASSTHROUGH_I440FX_PCI_DEVICE : TYPE_I440FX_PCI_DEVICE; pc_init1(machine, TYPE_I440FX_PCI_HOST_BRIDGE, pci_type); } static void pc_xen_hvm_init(MachineState *machine) { PCIBus *bus; if (!xen_enabled()) { error_report("xenfv machine requires the xen accelerator"); exit(1); } pc_xen_hvm_init_pci(machine); bus = pci_find_primary_bus(); if (bus != NULL) { pci_create_simple(bus, -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_HOST_BRIDGE, \ TYPE_I440FX_PCI_DEVICE); \ } \ DEFINE_PC_MACHINE(suffix, name, pc_init_##suffix, optionfn) static void pc_i440fx_machine_options(MachineClass *m) { m->family = "pc_piix"; m->desc = "Standard PC (i440FX + PIIX, 1996)"; m->hot_add_cpu = pc_hot_add_cpu; m->default_machine_opts = "firmware=bios-256k.bin"; m->default_display = "std"; } static void pc_i440fx_2_6_machine_options(MachineClass *m) { pc_i440fx_machine_options(m); m->alias = "pc"; m->is_default = 1; } 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) { PCMachineClass *pcmc = PC_MACHINE_CLASS(m); pc_i440fx_2_6_machine_options(m); m->alias = NULL; m->is_default = 0; pcmc->save_tsc_khz = false; m->legacy_fw_cfg_order = 1; SET_MACHINE_COMPAT(m, PC_COMPAT_2_5); } 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; SET_MACHINE_COMPAT(m, PC_COMPAT_2_4); } 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"; SET_MACHINE_COMPAT(m, PC_COMPAT_2_3); } DEFINE_I440FX_MACHINE(v2_3, "pc-i440fx-2.3", pc_compat_2_3, 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"; SET_MACHINE_COMPAT(m, PC_COMPAT_2_2); pcmc->rsdp_in_ram = false; } DEFINE_I440FX_MACHINE(v2_2, "pc-i440fx-2.2", pc_compat_2_2, 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; SET_MACHINE_COMPAT(m, PC_COMPAT_2_1); pcmc->smbios_uuid_encoded = false; pcmc->enforce_aligned_dimm = false; } DEFINE_I440FX_MACHINE(v2_1, "pc-i440fx-2.1", pc_compat_2_1, 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"; SET_MACHINE_COMPAT(m, PC_COMPAT_2_0); 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, pc_i440fx_2_0_machine_options); static void pc_i440fx_1_7_machine_options(MachineClass *m) { PCMachineClass *pcmc = PC_MACHINE_CLASS(m); pc_i440fx_2_0_machine_options(m); m->hw_version = "1.7.0"; m->default_machine_opts = NULL; m->option_rom_has_mr = true; SET_MACHINE_COMPAT(m, PC_COMPAT_1_7); pcmc->smbios_defaults = false; pcmc->gigabyte_align = false; pcmc->legacy_acpi_table_size = 6414; } DEFINE_I440FX_MACHINE(v1_7, "pc-i440fx-1.7", pc_compat_1_7, pc_i440fx_1_7_machine_options); static void pc_i440fx_1_6_machine_options(MachineClass *m) { PCMachineClass *pcmc = PC_MACHINE_CLASS(m); pc_i440fx_1_7_machine_options(m); m->hw_version = "1.6.0"; m->rom_file_has_mr = false; SET_MACHINE_COMPAT(m, PC_COMPAT_1_6); pcmc->has_acpi_build = false; } DEFINE_I440FX_MACHINE(v1_6, "pc-i440fx-1.6", pc_compat_1_6, pc_i440fx_1_6_machine_options); static void pc_i440fx_1_5_machine_options(MachineClass *m) { pc_i440fx_1_6_machine_options(m); m->hw_version = "1.5.0"; SET_MACHINE_COMPAT(m, PC_COMPAT_1_5); } DEFINE_I440FX_MACHINE(v1_5, "pc-i440fx-1.5", pc_compat_1_5, pc_i440fx_1_5_machine_options); static void pc_i440fx_1_4_machine_options(MachineClass *m) { pc_i440fx_1_5_machine_options(m); m->hw_version = "1.4.0"; m->hot_add_cpu = NULL; SET_MACHINE_COMPAT(m, PC_COMPAT_1_4); } DEFINE_I440FX_MACHINE(v1_4, "pc-i440fx-1.4", pc_compat_1_4, pc_i440fx_1_4_machine_options); #define PC_COMPAT_1_3 \ PC_CPU_MODEL_IDS("1.3.0") \ {\ .driver = "usb-tablet",\ .property = "usb_version",\ .value = stringify(1),\ },{\ .driver = "virtio-net-pci",\ .property = "ctrl_mac_addr",\ .value = "off", \ },{ \ .driver = "virtio-net-pci", \ .property = "mq", \ .value = "off", \ }, {\ .driver = "e1000",\ .property = "autonegotiation",\ .value = "off",\ }, static void pc_i440fx_1_3_machine_options(MachineClass *m) { pc_i440fx_1_4_machine_options(m); m->hw_version = "1.3.0"; SET_MACHINE_COMPAT(m, PC_COMPAT_1_3); } DEFINE_I440FX_MACHINE(v1_3, "pc-1.3", pc_compat_1_3, pc_i440fx_1_3_machine_options); #define PC_COMPAT_1_2 \ PC_CPU_MODEL_IDS("1.2.0") \ {\ .driver = "nec-usb-xhci",\ .property = "msi",\ .value = "off",\ },{\ .driver = "nec-usb-xhci",\ .property = "msix",\ .value = "off",\ },{\ .driver = "ivshmem",\ .property = "use64",\ .value = "0",\ },{\ .driver = "qxl",\ .property = "revision",\ .value = stringify(3),\ },{\ .driver = "qxl-vga",\ .property = "revision",\ .value = stringify(3),\ },{\ .driver = "VGA",\ .property = "mmio",\ .value = "off",\ }, static void pc_i440fx_1_2_machine_options(MachineClass *m) { pc_i440fx_1_3_machine_options(m); m->hw_version = "1.2.0"; SET_MACHINE_COMPAT(m, PC_COMPAT_1_2); } DEFINE_I440FX_MACHINE(v1_2, "pc-1.2", pc_compat_1_2, pc_i440fx_1_2_machine_options); #define PC_COMPAT_1_1 \ PC_CPU_MODEL_IDS("1.1.0") \ {\ .driver = "virtio-scsi-pci",\ .property = "hotplug",\ .value = "off",\ },{\ .driver = "virtio-scsi-pci",\ .property = "param_change",\ .value = "off",\ },{\ .driver = "VGA",\ .property = "vgamem_mb",\ .value = stringify(8),\ },{\ .driver = "vmware-svga",\ .property = "vgamem_mb",\ .value = stringify(8),\ },{\ .driver = "qxl-vga",\ .property = "vgamem_mb",\ .value = stringify(8),\ },{\ .driver = "qxl",\ .property = "vgamem_mb",\ .value = stringify(8),\ },{\ .driver = "virtio-blk-pci",\ .property = "config-wce",\ .value = "off",\ }, static void pc_i440fx_1_1_machine_options(MachineClass *m) { pc_i440fx_1_2_machine_options(m); m->hw_version = "1.1.0"; SET_MACHINE_COMPAT(m, PC_COMPAT_1_1); } DEFINE_I440FX_MACHINE(v1_1, "pc-1.1", pc_compat_1_2, pc_i440fx_1_1_machine_options); #define PC_COMPAT_1_0 \ PC_CPU_MODEL_IDS("1.0") \ {\ .driver = TYPE_ISA_FDC,\ .property = "check_media_rate",\ .value = "off",\ }, {\ .driver = "virtio-balloon-pci",\ .property = "class",\ .value = stringify(PCI_CLASS_MEMORY_RAM),\ },{\ .driver = "apic-common",\ .property = "vapic",\ .value = "off",\ },{\ .driver = TYPE_USB_DEVICE,\ .property = "full-path",\ .value = "no",\ }, static void pc_i440fx_1_0_machine_options(MachineClass *m) { pc_i440fx_1_1_machine_options(m); m->hw_version = "1.0"; SET_MACHINE_COMPAT(m, PC_COMPAT_1_0); } DEFINE_I440FX_MACHINE(v1_0, "pc-1.0", pc_compat_1_2, pc_i440fx_1_0_machine_options); #define PC_COMPAT_0_15 \ PC_CPU_MODEL_IDS("0.15") static void pc_i440fx_0_15_machine_options(MachineClass *m) { pc_i440fx_1_0_machine_options(m); m->hw_version = "0.15"; SET_MACHINE_COMPAT(m, PC_COMPAT_0_15); } DEFINE_I440FX_MACHINE(v0_15, "pc-0.15", pc_compat_1_2, pc_i440fx_0_15_machine_options); #define PC_COMPAT_0_14 \ PC_CPU_MODEL_IDS("0.14") \ {\ .driver = "virtio-blk-pci",\ .property = "event_idx",\ .value = "off",\ },{\ .driver = "virtio-serial-pci",\ .property = "event_idx",\ .value = "off",\ },{\ .driver = "virtio-net-pci",\ .property = "event_idx",\ .value = "off",\ },{\ .driver = "virtio-balloon-pci",\ .property = "event_idx",\ .value = "off",\ },{\ .driver = "qxl",\ .property = "revision",\ .value = stringify(2),\ },{\ .driver = "qxl-vga",\ .property = "revision",\ .value = stringify(2),\ }, static void pc_i440fx_0_14_machine_options(MachineClass *m) { pc_i440fx_0_15_machine_options(m); m->hw_version = "0.14"; SET_MACHINE_COMPAT(m, PC_COMPAT_0_14); } DEFINE_I440FX_MACHINE(v0_14, "pc-0.14", pc_compat_1_2, pc_i440fx_0_14_machine_options); #define PC_COMPAT_0_13 \ PC_CPU_MODEL_IDS("0.13") \ {\ .driver = TYPE_PCI_DEVICE,\ .property = "command_serr_enable",\ .value = "off",\ },{\ .driver = "AC97",\ .property = "use_broken_id",\ .value = stringify(1),\ },{\ .driver = "virtio-9p-pci",\ .property = "vectors",\ .value = stringify(0),\ },{\ .driver = "VGA",\ .property = "rombar",\ .value = stringify(0),\ },{\ .driver = "vmware-svga",\ .property = "rombar",\ .value = stringify(0),\ }, static void pc_i440fx_0_13_machine_options(MachineClass *m) { PCMachineClass *pcmc = PC_MACHINE_CLASS(m); pc_i440fx_0_14_machine_options(m); m->hw_version = "0.13"; SET_MACHINE_COMPAT(m, PC_COMPAT_0_13); pcmc->kvmclock_enabled = false; } DEFINE_I440FX_MACHINE(v0_13, "pc-0.13", pc_compat_0_13, pc_i440fx_0_13_machine_options); #define PC_COMPAT_0_12 \ PC_CPU_MODEL_IDS("0.12") \ {\ .driver = "virtio-serial-pci",\ .property = "max_ports",\ .value = stringify(1),\ },{\ .driver = "virtio-serial-pci",\ .property = "vectors",\ .value = stringify(0),\ },{\ .driver = "usb-mouse",\ .property = "serial",\ .value = "1",\ },{\ .driver = "usb-tablet",\ .property = "serial",\ .value = "1",\ },{\ .driver = "usb-kbd",\ .property = "serial",\ .value = "1",\ }, static void pc_i440fx_0_12_machine_options(MachineClass *m) { pc_i440fx_0_13_machine_options(m); m->hw_version = "0.12"; SET_MACHINE_COMPAT(m, PC_COMPAT_0_12); } DEFINE_I440FX_MACHINE(v0_12, "pc-0.12", pc_compat_0_13, pc_i440fx_0_12_machine_options); #define PC_COMPAT_0_11 \ PC_CPU_MODEL_IDS("0.11") \ {\ .driver = "virtio-blk-pci",\ .property = "vectors",\ .value = stringify(0),\ },{\ .driver = TYPE_PCI_DEVICE,\ .property = "rombar",\ .value = stringify(0),\ },{\ .driver = "ide-drive",\ .property = "ver",\ .value = "0.11",\ },{\ .driver = "scsi-disk",\ .property = "ver",\ .value = "0.11",\ }, static void pc_i440fx_0_11_machine_options(MachineClass *m) { pc_i440fx_0_12_machine_options(m); m->hw_version = "0.11"; SET_MACHINE_COMPAT(m, PC_COMPAT_0_11); } DEFINE_I440FX_MACHINE(v0_11, "pc-0.11", pc_compat_0_13, pc_i440fx_0_11_machine_options); #define PC_COMPAT_0_10 \ PC_CPU_MODEL_IDS("0.10") \ {\ .driver = "virtio-blk-pci",\ .property = "class",\ .value = stringify(PCI_CLASS_STORAGE_OTHER),\ },{\ .driver = "virtio-serial-pci",\ .property = "class",\ .value = stringify(PCI_CLASS_DISPLAY_OTHER),\ },{\ .driver = "virtio-net-pci",\ .property = "vectors",\ .value = stringify(0),\ },{\ .driver = "ide-drive",\ .property = "ver",\ .value = "0.10",\ },{\ .driver = "scsi-disk",\ .property = "ver",\ .value = "0.10",\ }, static void pc_i440fx_0_10_machine_options(MachineClass *m) { pc_i440fx_0_11_machine_options(m); m->hw_version = "0.10"; SET_MACHINE_COMPAT(m, PC_COMPAT_0_10); } DEFINE_I440FX_MACHINE(v0_10, "pc-0.10", pc_compat_0_13, pc_i440fx_0_10_machine_options); typedef struct { uint16_t gpu_device_id; uint16_t pch_device_id; uint8_t pch_revision_id; } IGDDeviceIDInfo; /* In real world different GPU should have different PCH. But actually * the different PCH DIDs likely map to different PCH SKUs. We do the * same thing for the GPU. For PCH, the different SKUs are going to be * all the same silicon design and implementation, just different * features turn on and off with fuses. The SW interfaces should be * consistent across all SKUs in a given family (eg LPT). But just same * features may not be supported. * * Most of these different PCH features probably don't matter to the * Gfx driver, but obviously any difference in display port connections * will so it should be fine with any PCH in case of passthrough. * * So currently use one PCH version, 0x8c4e, to cover all HSW(Haswell) * scenarios, 0x9cc3 for BDW(Broadwell). */ static const IGDDeviceIDInfo igd_combo_id_infos[] = { /* HSW Classic */ {0x0402, 0x8c4e, 0x04}, /* HSWGT1D, HSWD_w7 */ {0x0406, 0x8c4e, 0x04}, /* HSWGT1M, HSWM_w7 */ {0x0412, 0x8c4e, 0x04}, /* HSWGT2D, HSWD_w7 */ {0x0416, 0x8c4e, 0x04}, /* HSWGT2M, HSWM_w7 */ {0x041E, 0x8c4e, 0x04}, /* HSWGT15D, HSWD_w7 */ /* HSW ULT */ {0x0A06, 0x8c4e, 0x04}, /* HSWGT1UT, HSWM_w7 */ {0x0A16, 0x8c4e, 0x04}, /* HSWGT2UT, HSWM_w7 */ {0x0A26, 0x8c4e, 0x06}, /* HSWGT3UT, HSWM_w7 */ {0x0A2E, 0x8c4e, 0x04}, /* HSWGT3UT28W, HSWM_w7 */ {0x0A1E, 0x8c4e, 0x04}, /* HSWGT2UX, HSWM_w7 */ {0x0A0E, 0x8c4e, 0x04}, /* HSWGT1ULX, HSWM_w7 */ /* HSW CRW */ {0x0D26, 0x8c4e, 0x04}, /* HSWGT3CW, HSWM_w7 */ {0x0D22, 0x8c4e, 0x04}, /* HSWGT3CWDT, HSWD_w7 */ /* HSW Server */ {0x041A, 0x8c4e, 0x04}, /* HSWSVGT2, HSWD_w7 */ /* HSW SRVR */ {0x040A, 0x8c4e, 0x04}, /* HSWSVGT1, HSWD_w7 */ /* BSW */ {0x1606, 0x9cc3, 0x03}, /* BDWULTGT1, BDWM_w7 */ {0x1616, 0x9cc3, 0x03}, /* BDWULTGT2, BDWM_w7 */ {0x1626, 0x9cc3, 0x03}, /* BDWULTGT3, BDWM_w7 */ {0x160E, 0x9cc3, 0x03}, /* BDWULXGT1, BDWM_w7 */ {0x161E, 0x9cc3, 0x03}, /* BDWULXGT2, BDWM_w7 */ {0x1602, 0x9cc3, 0x03}, /* BDWHALOGT1, BDWM_w7 */ {0x1612, 0x9cc3, 0x03}, /* BDWHALOGT2, BDWM_w7 */ {0x1622, 0x9cc3, 0x03}, /* BDWHALOGT3, BDWM_w7 */ {0x162B, 0x9cc3, 0x03}, /* BDWHALO28W, BDWM_w7 */ {0x162A, 0x9cc3, 0x03}, /* BDWGT3WRKS, BDWM_w7 */ {0x162D, 0x9cc3, 0x03}, /* BDWGT3SRVR, BDWM_w7 */ }; static void isa_bridge_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); dc->desc = "ISA bridge faked to support IGD PT"; k->vendor_id = PCI_VENDOR_ID_INTEL; k->class_id = PCI_CLASS_BRIDGE_ISA; }; static TypeInfo isa_bridge_info = { .name = "igd-passthrough-isa-bridge", .parent = TYPE_PCI_DEVICE, .instance_size = sizeof(PCIDevice), .class_init = isa_bridge_class_init, }; static void pt_graphics_register_types(void) { type_register_static(&isa_bridge_info); } type_init(pt_graphics_register_types) void igd_passthrough_isa_bridge_create(PCIBus *bus, uint16_t gpu_dev_id) { struct PCIDevice *bridge_dev; int i, num; uint16_t pch_dev_id = 0xffff; uint8_t pch_rev_id; num = ARRAY_SIZE(igd_combo_id_infos); for (i = 0; i < num; i++) { if (gpu_dev_id == igd_combo_id_infos[i].gpu_device_id) { pch_dev_id = igd_combo_id_infos[i].pch_device_id; pch_rev_id = igd_combo_id_infos[i].pch_revision_id; } } if (pch_dev_id == 0xffff) { return; } /* Currently IGD drivers always need to access PCH by 1f.0. */ bridge_dev = pci_create_simple(bus, PCI_DEVFN(0x1f, 0), "igd-passthrough-isa-bridge"); /* * Note that vendor id is always PCI_VENDOR_ID_INTEL. */ if (!bridge_dev) { fprintf(stderr, "set igd-passthrough-isa-bridge failed!\n"); return; } pci_config_set_device_id(bridge_dev->config, pch_dev_id); pci_config_set_revision(bridge_dev->config, pch_rev_id); } 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; } DEFINE_PC_MACHINE(isapc, "isapc", pc_init_isa, isapc_machine_options); #ifdef CONFIG_XEN static void xenfv_machine_options(MachineClass *m) { m->desc = "Xen Fully-virtualized PC"; m->max_cpus = HVM_MAX_VCPUS; m->default_machine_opts = "accel=xen"; m->hot_add_cpu = pc_hot_add_cpu; } DEFINE_PC_MACHINE(xenfv, "xenfv", pc_xen_hvm_init, xenfv_machine_options); #endif