| /* |
| * Q35 chipset based pc system emulator |
| * |
| * Copyright (c) 2003-2004 Fabrice Bellard |
| * Copyright (c) 2009, 2010 |
| * Isaku Yamahata <yamahata at valinux co jp> |
| * VA Linux Systems Japan K.K. |
| * Copyright (C) 2012 Jason Baron <jbaron@redhat.com> |
| * |
| * This is based on pc.c, but heavily modified. |
| * |
| * 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 "hw/hw.h" |
| #include "hw/loader.h" |
| #include "sysemu/arch_init.h" |
| #include "hw/i2c/smbus.h" |
| #include "hw/boards.h" |
| #include "hw/timer/mc146818rtc.h" |
| #include "hw/xen/xen.h" |
| #include "sysemu/kvm.h" |
| #include "hw/kvm/clock.h" |
| #include "hw/pci-host/q35.h" |
| #include "exec/address-spaces.h" |
| #include "hw/i386/ich9.h" |
| #include "hw/smbios/smbios.h" |
| #include "hw/ide/pci.h" |
| #include "hw/ide/ahci.h" |
| #include "hw/usb.h" |
| #include "qemu/error-report.h" |
| #include "migration/migration.h" |
| |
| /* ICH9 AHCI has 6 ports */ |
| #define MAX_SATA_PORTS 6 |
| |
| static bool has_acpi_build = true; |
| static bool rsdp_in_ram = true; |
| static bool smbios_defaults = true; |
| static bool smbios_legacy_mode; |
| static bool smbios_uuid_encoded = true; |
| /* Make sure that guest addresses aligned at 1Gbyte boundaries get mapped to |
| * host addresses aligned at 1Gbyte boundaries. This way we can use 1GByte |
| * pages in the host. |
| */ |
| static bool gigabyte_align = true; |
| static bool has_reserved_memory = true; |
| |
| /* PC hardware initialisation */ |
| static void pc_q35_init(MachineState *machine) |
| { |
| PCMachineState *pcms = PC_MACHINE(machine); |
| Q35PCIHost *q35_host; |
| PCIHostState *phb; |
| PCIBus *host_bus; |
| PCIDevice *lpc; |
| BusState *idebus[MAX_SATA_PORTS]; |
| ISADevice *rtc_state; |
| MemoryRegion *pci_memory; |
| MemoryRegion *rom_memory; |
| MemoryRegion *ram_memory; |
| GSIState *gsi_state; |
| ISABus *isa_bus; |
| int pci_enabled = 1; |
| qemu_irq *gsi; |
| qemu_irq *i8259; |
| int i; |
| ICH9LPCState *ich9_lpc; |
| PCIDevice *ahci; |
| PcGuestInfo *guest_info; |
| ram_addr_t lowmem; |
| DriveInfo *hd[MAX_SATA_PORTS]; |
| MachineClass *mc = MACHINE_GET_CLASS(machine); |
| |
| /* Check whether RAM fits below 4G (leaving 1/2 GByte for IO memory |
| * and 256 Mbytes for PCI Express Enhanced Configuration Access Mapping |
| * also known as MMCFG). |
| * If it doesn't, we need to split it in chunks below and above 4G. |
| * In any case, try to make sure that guest addresses aligned at |
| * 1G boundaries get mapped to host addresses aligned at 1G boundaries. |
| * For old machine types, use whatever split we used historically to avoid |
| * breaking migration. |
| */ |
| if (machine->ram_size >= 0xb0000000) { |
| lowmem = gigabyte_align ? 0x80000000 : 0xb0000000; |
| } else { |
| lowmem = 0xb0000000; |
| } |
| |
| /* Handle the machine opt max-ram-below-4g. It is basically doing |
| * min(qemu limit, user limit). |
| */ |
| if (lowmem > pcms->max_ram_below_4g) { |
| lowmem = pcms->max_ram_below_4g; |
| if (machine->ram_size - lowmem > lowmem && |
| 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) != 0) { |
| fprintf(stderr, "xen hardware virtual machine initialisation failed\n"); |
| exit(1); |
| } |
| |
| pc_cpus_init(pcms); |
| pc_acpi_init("q35-acpi-dsdt.aml"); |
| |
| kvmclock_create(); |
| |
| /* pci enabled */ |
| if (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 = get_system_memory(); |
| } |
| |
| guest_info = pc_guest_info_init(pcms); |
| guest_info->isapc_ram_fw = false; |
| guest_info->has_acpi_build = has_acpi_build; |
| guest_info->has_reserved_memory = has_reserved_memory; |
| guest_info->rsdp_in_ram = rsdp_in_ram; |
| |
| /* Migration was not supported in 2.0 for Q35, so do not bother |
| * with this hack (see hw/i386/acpi-build.c). |
| */ |
| guest_info->legacy_acpi_table_size = 0; |
| |
| if (smbios_defaults) { |
| /* These values are guest ABI, do not change */ |
| smbios_set_defaults("QEMU", "Standard PC (Q35 + ICH9, 2009)", |
| mc->name, smbios_legacy_mode, smbios_uuid_encoded, |
| SMBIOS_ENTRY_POINT_21); |
| } |
| |
| /* allocate ram and load rom/bios */ |
| if (!xen_enabled()) { |
| pc_memory_init(pcms, get_system_memory(), |
| rom_memory, &ram_memory, guest_info); |
| } |
| |
| /* irq lines */ |
| gsi_state = g_malloc0(sizeof(*gsi_state)); |
| if (kvm_irqchip_in_kernel()) { |
| kvm_pc_setup_irq_routing(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); |
| } |
| |
| /* create pci host bus */ |
| q35_host = Q35_HOST_DEVICE(qdev_create(NULL, TYPE_Q35_HOST_DEVICE)); |
| |
| object_property_add_child(qdev_get_machine(), "q35", OBJECT(q35_host), NULL); |
| q35_host->mch.ram_memory = ram_memory; |
| q35_host->mch.pci_address_space = pci_memory; |
| q35_host->mch.system_memory = get_system_memory(); |
| q35_host->mch.address_space_io = get_system_io(); |
| q35_host->mch.below_4g_mem_size = pcms->below_4g_mem_size; |
| q35_host->mch.above_4g_mem_size = pcms->above_4g_mem_size; |
| q35_host->mch.guest_info = guest_info; |
| /* pci */ |
| qdev_init_nofail(DEVICE(q35_host)); |
| phb = PCI_HOST_BRIDGE(q35_host); |
| host_bus = phb->bus; |
| /* create ISA bus */ |
| lpc = pci_create_simple_multifunction(host_bus, PCI_DEVFN(ICH9_LPC_DEV, |
| ICH9_LPC_FUNC), true, |
| TYPE_ICH9_LPC_DEVICE); |
| |
| 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(lpc), |
| PC_MACHINE_ACPI_DEVICE_PROP, &error_abort); |
| |
| ich9_lpc = ICH9_LPC_DEVICE(lpc); |
| ich9_lpc->pic = gsi; |
| ich9_lpc->ioapic = gsi_state->ioapic_irq; |
| pci_bus_irqs(host_bus, ich9_lpc_set_irq, ich9_lpc_map_irq, ich9_lpc, |
| ICH9_LPC_NB_PIRQS); |
| pci_bus_set_route_irq_fn(host_bus, ich9_route_intx_pin_to_irq); |
| isa_bus = ich9_lpc->isa_bus; |
| |
| /*end early*/ |
| isa_bus_irqs(isa_bus, gsi); |
| |
| if (kvm_irqchip_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]; |
| } |
| if (pci_enabled) { |
| ioapic_init_gsi(gsi_state, "q35"); |
| } |
| |
| pc_register_ferr_irq(gsi[13]); |
| |
| 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, !mc->no_floppy, |
| (pcms->vmport != ON_OFF_AUTO_ON), 0xff0104); |
| |
| /* connect pm stuff to lpc */ |
| ich9_lpc_pm_init(lpc, pc_machine_is_smm_enabled(pcms), !mc->no_tco); |
| |
| /* ahci and SATA device, for q35 1 ahci controller is built-in */ |
| ahci = pci_create_simple_multifunction(host_bus, |
| PCI_DEVFN(ICH9_SATA1_DEV, |
| ICH9_SATA1_FUNC), |
| true, "ich9-ahci"); |
| idebus[0] = qdev_get_child_bus(&ahci->qdev, "ide.0"); |
| idebus[1] = qdev_get_child_bus(&ahci->qdev, "ide.1"); |
| g_assert(MAX_SATA_PORTS == ICH_AHCI(ahci)->ahci.ports); |
| ide_drive_get(hd, ICH_AHCI(ahci)->ahci.ports); |
| ahci_ide_create_devs(ahci, hd); |
| |
| if (usb_enabled()) { |
| /* Should we create 6 UHCI according to ich9 spec? */ |
| ehci_create_ich9_with_companions(host_bus, 0x1d); |
| } |
| |
| /* TODO: Populate SPD eeprom data. */ |
| smbus_eeprom_init(ich9_smb_init(host_bus, |
| PCI_DEVFN(ICH9_SMB_DEV, ICH9_SMB_FUNC), |
| 0xb100), |
| 8, NULL, 0); |
| |
| pc_cmos_init(pcms, idebus[0], idebus[1], rtc_state); |
| |
| /* the rest devices to which pci devfn is automatically assigned */ |
| pc_vga_init(isa_bus, host_bus); |
| pc_nic_init(isa_bus, host_bus); |
| if (pci_enabled) { |
| pc_pci_device_init(host_bus); |
| } |
| } |
| |
| /* 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); |
| rsdp_in_ram = false; |
| machine->suppress_vmdesc = true; |
| } |
| |
| static void pc_compat_2_1(MachineState *machine) |
| { |
| PCMachineState *pcms = PC_MACHINE(machine); |
| |
| pc_compat_2_2(machine); |
| pcms->enforce_aligned_dimm = false; |
| smbios_uuid_encoded = false; |
| x86_cpu_change_kvm_default("svm", NULL); |
| } |
| |
| static void pc_compat_2_0(MachineState *machine) |
| { |
| pc_compat_2_1(machine); |
| smbios_legacy_mode = true; |
| has_reserved_memory = false; |
| pc_set_legacy_acpi_data_size(); |
| } |
| |
| static void pc_compat_1_7(MachineState *machine) |
| { |
| pc_compat_2_0(machine); |
| smbios_defaults = false; |
| gigabyte_align = false; |
| option_rom_has_mr = true; |
| x86_cpu_change_kvm_default("x2apic", NULL); |
| } |
| |
| static void pc_compat_1_6(MachineState *machine) |
| { |
| pc_compat_1_7(machine); |
| rom_file_has_mr = false; |
| has_acpi_build = false; |
| } |
| |
| 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); |
| } |
| |
| #define DEFINE_Q35_MACHINE(suffix, name, compatfn, optionfn) \ |
| static void pc_init_##suffix(MachineState *machine) \ |
| { \ |
| void (*compat)(MachineState *m) = (compatfn); \ |
| if (compat) { \ |
| compat(machine); \ |
| } \ |
| pc_q35_init(machine); \ |
| } \ |
| DEFINE_PC_MACHINE(suffix, name, pc_init_##suffix, optionfn) |
| |
| |
| static void pc_q35_machine_options(MachineClass *m) |
| { |
| m->family = "pc_q35"; |
| m->desc = "Standard PC (Q35 + ICH9, 2009)"; |
| m->hot_add_cpu = pc_hot_add_cpu; |
| m->units_per_default_bus = 1; |
| m->default_machine_opts = "firmware=bios-256k.bin"; |
| m->default_display = "std"; |
| m->no_floppy = 1; |
| m->no_tco = 0; |
| } |
| |
| static void pc_q35_2_5_machine_options(MachineClass *m) |
| { |
| pc_q35_machine_options(m); |
| m->hw_version = QEMU_VERSION; |
| m->alias = "q35"; |
| } |
| |
| DEFINE_Q35_MACHINE(v2_5, "pc-q35-2.5", NULL, |
| pc_q35_2_5_machine_options); |
| |
| static void pc_q35_2_4_machine_options(MachineClass *m) |
| { |
| PCMachineClass *pcmc = PC_MACHINE_CLASS(m); |
| pc_q35_2_5_machine_options(m); |
| m->hw_version = "2.4.0"; |
| m->alias = NULL; |
| pcmc->broken_reserved_end = true; |
| SET_MACHINE_COMPAT(m, PC_COMPAT_2_4); |
| } |
| |
| DEFINE_Q35_MACHINE(v2_4, "pc-q35-2.4", NULL, |
| pc_q35_2_4_machine_options); |
| |
| |
| static void pc_q35_2_3_machine_options(MachineClass *m) |
| { |
| pc_q35_2_4_machine_options(m); |
| m->hw_version = "2.3.0"; |
| m->no_floppy = 0; |
| m->no_tco = 1; |
| m->alias = NULL; |
| SET_MACHINE_COMPAT(m, PC_COMPAT_2_3); |
| } |
| |
| DEFINE_Q35_MACHINE(v2_3, "pc-q35-2.3", pc_compat_2_3, |
| pc_q35_2_3_machine_options); |
| |
| |
| static void pc_q35_2_2_machine_options(MachineClass *m) |
| { |
| pc_q35_2_3_machine_options(m); |
| m->hw_version = "2.2.0"; |
| SET_MACHINE_COMPAT(m, PC_COMPAT_2_2); |
| } |
| |
| DEFINE_Q35_MACHINE(v2_2, "pc-q35-2.2", pc_compat_2_2, |
| pc_q35_2_2_machine_options); |
| |
| |
| static void pc_q35_2_1_machine_options(MachineClass *m) |
| { |
| pc_q35_2_2_machine_options(m); |
| m->hw_version = "2.1.0"; |
| m->default_display = NULL; |
| SET_MACHINE_COMPAT(m, PC_COMPAT_2_1); |
| } |
| |
| DEFINE_Q35_MACHINE(v2_1, "pc-q35-2.1", pc_compat_2_1, |
| pc_q35_2_1_machine_options); |
| |
| |
| static void pc_q35_2_0_machine_options(MachineClass *m) |
| { |
| pc_q35_2_1_machine_options(m); |
| m->hw_version = "2.0.0"; |
| SET_MACHINE_COMPAT(m, PC_COMPAT_2_0); |
| } |
| |
| DEFINE_Q35_MACHINE(v2_0, "pc-q35-2.0", pc_compat_2_0, |
| pc_q35_2_0_machine_options); |
| |
| |
| static void pc_q35_1_7_machine_options(MachineClass *m) |
| { |
| pc_q35_2_0_machine_options(m); |
| m->hw_version = "1.7.0"; |
| m->default_machine_opts = NULL; |
| SET_MACHINE_COMPAT(m, PC_COMPAT_1_7); |
| } |
| |
| DEFINE_Q35_MACHINE(v1_7, "pc-q35-1.7", pc_compat_1_7, |
| pc_q35_1_7_machine_options); |
| |
| |
| static void pc_q35_1_6_machine_options(MachineClass *m) |
| { |
| pc_q35_machine_options(m); |
| m->hw_version = "1.6.0"; |
| SET_MACHINE_COMPAT(m, PC_COMPAT_1_6); |
| } |
| |
| DEFINE_Q35_MACHINE(v1_6, "pc-q35-1.6", pc_compat_1_6, |
| pc_q35_1_6_machine_options); |
| |
| |
| static void pc_q35_1_5_machine_options(MachineClass *m) |
| { |
| pc_q35_1_6_machine_options(m); |
| m->hw_version = "1.5.0"; |
| SET_MACHINE_COMPAT(m, PC_COMPAT_1_5); |
| } |
| |
| DEFINE_Q35_MACHINE(v1_5, "pc-q35-1.5", pc_compat_1_5, |
| pc_q35_1_5_machine_options); |
| |
| |
| static void pc_q35_1_4_machine_options(MachineClass *m) |
| { |
| pc_q35_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_Q35_MACHINE(v1_4, "pc-q35-1.4", pc_compat_1_4, |
| pc_q35_1_4_machine_options); |
