From 437fd90c0250dee670290f9b714253671a990160 Mon Sep 17 00:00:00 2001 From: José Pekkarinen Date: Wed, 18 May 2016 13:18:31 +0300 Subject: These changes are the raw update to qemu-2.6. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Collission happened in the following patches: migration: do cleanup operation after completion(738df5b9) Bug fix.(1750c932f86) kvmclock: add a new function to update env->tsc.(b52baab2) The code provided by the patches was already in the upstreamed version. Change-Id: I3cc11841a6a76ae20887b2e245710199e1ea7f9a Signed-off-by: José Pekkarinen --- qemu/hw/i386/pc_piix.c | 449 +++++++++++++++++++++++++++++++------------------ 1 file changed, 289 insertions(+), 160 deletions(-) (limited to 'qemu/hw/i386/pc_piix.c') diff --git a/qemu/hw/i386/pc_piix.c b/qemu/hw/i386/pc_piix.c index a896624f8..7f50116bc 100644 --- a/qemu/hw/i386/pc_piix.c +++ b/qemu/hw/i386/pc_piix.c @@ -22,13 +22,14 @@ * THE SOFTWARE. */ +#include "qemu/osdep.h" #include #include "hw/hw.h" #include "hw/loader.h" #include "hw/i386/pc.h" #include "hw/i386/apic.h" -#include "hw/i386/smbios.h" +#include "hw/smbios/smbios.h" #include "hw/pci/pci.h" #include "hw/pci/pci_ids.h" #include "hw/usb.h" @@ -39,7 +40,6 @@ #include "hw/kvm/clock.h" #include "sysemu/sysemu.h" #include "hw/sysbus.h" -#include "hw/cpu/icc_bus.h" #include "sysemu/arch_init.h" #include "sysemu/block-backend.h" #include "hw/i2c/smbus.h" @@ -50,9 +50,11 @@ #include "cpu.h" #include "qemu/error-report.h" #ifdef CONFIG_XEN -# include +#include +#include "hw/xen/xen_pt.h" #endif #include "migration/migration.h" +#include "kvm_i386.h" #define MAX_IDE_BUS 2 @@ -60,29 +62,15 @@ 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 }; -static bool pci_enabled = true; -static bool has_acpi_build = true; -static bool rsdp_in_ram = true; -static int legacy_acpi_table_size; -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; -static bool kvmclock_enabled = true; - /* PC hardware initialisation */ -static void pc_init1(MachineState *machine) +static void pc_init1(MachineState *machine, + const char *host_type, const char *pci_type) { - PCMachineState *pc_machine = PC_MACHINE(machine); + 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; - ram_addr_t below_4g_mem_size, above_4g_mem_size; PCIBus *pci_bus; ISABus *isa_bus; PCII440FXState *i440fx_state; @@ -97,8 +85,6 @@ static void pc_init1(MachineState *machine) MemoryRegion *ram_memory; MemoryRegion *pci_memory; MemoryRegion *rom_memory; - DeviceState *icc_bridge; - PcGuestInfo *guest_info; ram_addr_t lowmem; /* Check whether RAM fits below 4G (leaving 1/2 GByte for IO memory). @@ -109,7 +95,7 @@ static void pc_init1(MachineState *machine) * breaking migration. */ if (machine->ram_size >= 0xe0000000) { - lowmem = gigabyte_align ? 0xc0000000 : 0xe0000000; + lowmem = pcmc->gigabyte_align ? 0xc0000000 : 0xe0000000; } else { lowmem = 0xe0000000; } @@ -117,41 +103,35 @@ static void pc_init1(MachineState *machine) /* Handle the machine opt max-ram-below-4g. It is basically doing * min(qemu limit, user limit). */ - if (lowmem > pc_machine->max_ram_below_4g) { - lowmem = pc_machine->max_ram_below_4g; + 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.", - pc_machine->max_ram_below_4g); + pcms->max_ram_below_4g); } } if (machine->ram_size >= lowmem) { - above_4g_mem_size = machine->ram_size - lowmem; - below_4g_mem_size = lowmem; + pcms->above_4g_mem_size = machine->ram_size - lowmem; + pcms->below_4g_mem_size = lowmem; } else { - above_4g_mem_size = 0; - below_4g_mem_size = machine->ram_size; + pcms->above_4g_mem_size = 0; + pcms->below_4g_mem_size = machine->ram_size; } - if (xen_enabled() && xen_hvm_init(&below_4g_mem_size, &above_4g_mem_size, - &ram_memory) != 0) { - fprintf(stderr, "xen hardware virtual machine initialisation failed\n"); - exit(1); + if (xen_enabled()) { + xen_hvm_init(pcms, &ram_memory); } - icc_bridge = qdev_create(NULL, TYPE_ICC_BRIDGE); - object_property_add_child(qdev_get_machine(), "icc-bridge", - OBJECT(icc_bridge), NULL); - - pc_cpus_init(machine->cpu_model, icc_bridge); + pc_cpus_init(pcms); - if (kvm_enabled() && kvmclock_enabled) { + if (kvm_enabled() && pcmc->kvmclock_enabled) { kvmclock_create(); } - if (pci_enabled) { + if (pcmc->pci_enabled) { pci_memory = g_new(MemoryRegion, 1); memory_region_init(pci_memory, NULL, "pci", UINT64_MAX); rom_memory = pci_memory; @@ -160,60 +140,54 @@ static void pc_init1(MachineState *machine) rom_memory = system_memory; } - guest_info = pc_guest_info_init(below_4g_mem_size, above_4g_mem_size); - - guest_info->has_acpi_build = has_acpi_build; - guest_info->legacy_acpi_table_size = legacy_acpi_table_size; + pc_guest_info_init(pcms); - guest_info->isapc_ram_fw = !pci_enabled; - guest_info->has_reserved_memory = has_reserved_memory; - guest_info->rsdp_in_ram = rsdp_in_ram; - - if (smbios_defaults) { + 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, smbios_legacy_mode, smbios_uuid_encoded); + 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(machine, system_memory, - below_4g_mem_size, above_4g_mem_size, - rom_memory, &ram_memory, guest_info); + 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(machine->kernel_filename, - machine->kernel_cmdline, - machine->initrd_filename, - below_4g_mem_size, - guest_info); + xen_load_linux(pcms); } gsi_state = g_malloc0(sizeof(*gsi_state)); - if (kvm_irqchip_in_kernel()) { - kvm_pc_setup_irq_routing(pci_enabled); + 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 (pci_enabled) { - pci_bus = i440fx_init(&i440fx_state, &piix3_devfn, &isa_bus, gsi, + 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, - below_4g_mem_size, - above_4g_mem_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); + isa_bus = isa_bus_new(NULL, get_system_memory(), system_io, + &error_abort); no_hpet = 1; } isa_bus_irqs(isa_bus, gsi); - if (kvm_irqchip_in_kernel()) { + if (kvm_pic_in_kernel()) { i8259 = kvm_i8259_init(isa_bus); } else if (xen_enabled()) { i8259 = xen_interrupt_controller_init(); @@ -225,28 +199,27 @@ static void pc_init1(MachineState *machine) gsi_state->i8259_irq[i] = i8259[i]; } g_free(i8259); - if (pci_enabled) { + if (pcmc->pci_enabled) { ioapic_init_gsi(gsi_state, "i440fx"); } - qdev_init_nofail(icc_bridge); pc_register_ferr_irq(gsi[13]); - pc_vga_init(isa_bus, pci_enabled ? pci_bus : NULL); + pc_vga_init(isa_bus, pcmc->pci_enabled ? pci_bus : NULL); - assert(pc_machine->vmport != ON_OFF_AUTO_MAX); - if (pc_machine->vmport == ON_OFF_AUTO_AUTO) { - pc_machine->vmport = xen_enabled() ? ON_OFF_AUTO_OFF : ON_OFF_AUTO_ON; + 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, - (pc_machine->vmport != ON_OFF_AUTO_ON), 0x4); + (pcms->vmport != ON_OFF_AUTO_ON), 0x4); pc_nic_init(isa_bus, pci_bus); ide_drive_get(hd, ARRAY_SIZE(hd)); - if (pci_enabled) { + if (pcmc->pci_enabled) { PCIDevice *dev; if (xen_enabled()) { dev = pci_piix3_xen_ide_init(pci_bus, hd, piix3_devfn + 1); @@ -271,14 +244,13 @@ static void pc_init1(MachineState *machine) } } - pc_cmos_init(below_4g_mem_size, above_4g_mem_size, machine->boot_order, - machine, idebus[0], idebus[1], rtc_state); + pc_cmos_init(pcms, idebus[0], idebus[1], rtc_state); - if (pci_enabled && usb_enabled()) { + if (pcmc->pci_enabled && usb_enabled()) { pci_create_simple(pci_bus, piix3_devfn + 2, "piix3-usb-uhci"); } - if (pci_enabled && acpi_enabled) { + if (pcmc->pci_enabled && acpi_enabled) { DeviceState *piix4_pm; I2CBus *smbus; @@ -286,24 +258,36 @@ static void pc_init1(MachineState *machine) /* TODO: Populate SPD eeprom data. */ smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100, gsi[9], smi_irq, - pc_machine_is_smm_enabled(pc_machine), + 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 **)&pc_machine->acpi_dev, + (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 (pci_enabled) { + 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); @@ -318,80 +302,29 @@ static void pc_compat_2_3(MachineState *machine) static void pc_compat_2_2(MachineState *machine) { pc_compat_2_3(machine); - rsdp_in_ram = false; - x86_cpu_compat_set_features("kvm64", FEAT_1_EDX, 0, CPUID_VME); - x86_cpu_compat_set_features("kvm32", FEAT_1_EDX, 0, CPUID_VME); - x86_cpu_compat_set_features("Conroe", FEAT_1_EDX, 0, CPUID_VME); - x86_cpu_compat_set_features("Penryn", FEAT_1_EDX, 0, CPUID_VME); - x86_cpu_compat_set_features("Nehalem", FEAT_1_EDX, 0, CPUID_VME); - x86_cpu_compat_set_features("Westmere", FEAT_1_EDX, 0, CPUID_VME); - x86_cpu_compat_set_features("SandyBridge", FEAT_1_EDX, 0, CPUID_VME); - x86_cpu_compat_set_features("Haswell", FEAT_1_EDX, 0, CPUID_VME); - x86_cpu_compat_set_features("Broadwell", FEAT_1_EDX, 0, CPUID_VME); - x86_cpu_compat_set_features("Opteron_G1", FEAT_1_EDX, 0, CPUID_VME); - x86_cpu_compat_set_features("Opteron_G2", FEAT_1_EDX, 0, CPUID_VME); - x86_cpu_compat_set_features("Opteron_G3", FEAT_1_EDX, 0, CPUID_VME); - x86_cpu_compat_set_features("Opteron_G4", FEAT_1_EDX, 0, CPUID_VME); - x86_cpu_compat_set_features("Opteron_G5", FEAT_1_EDX, 0, CPUID_VME); - x86_cpu_compat_set_features("Haswell", FEAT_1_ECX, 0, CPUID_EXT_F16C); - x86_cpu_compat_set_features("Haswell", FEAT_1_ECX, 0, CPUID_EXT_RDRAND); - x86_cpu_compat_set_features("Broadwell", FEAT_1_ECX, 0, CPUID_EXT_F16C); - x86_cpu_compat_set_features("Broadwell", FEAT_1_ECX, 0, CPUID_EXT_RDRAND); machine->suppress_vmdesc = true; } static void pc_compat_2_1(MachineState *machine) { - PCMachineState *pcms = PC_MACHINE(machine); - pc_compat_2_2(machine); - smbios_uuid_encoded = false; - x86_cpu_compat_set_features("coreduo", FEAT_1_ECX, CPUID_EXT_VMX, 0); - x86_cpu_compat_set_features("core2duo", FEAT_1_ECX, CPUID_EXT_VMX, 0); - x86_cpu_compat_kvm_no_autodisable(FEAT_8000_0001_ECX, CPUID_EXT3_SVM); - pcms->enforce_aligned_dimm = false; + x86_cpu_change_kvm_default("svm", NULL); } static void pc_compat_2_0(MachineState *machine) { pc_compat_2_1(machine); - /* 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. - */ - legacy_acpi_table_size = 6652; - 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; - legacy_acpi_table_size = 6414; - x86_cpu_compat_kvm_no_autoenable(FEAT_1_ECX, CPUID_EXT_X2APIC); + 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) @@ -402,8 +335,6 @@ static void pc_compat_1_5(MachineState *machine) static void pc_compat_1_4(MachineState *machine) { pc_compat_1_5(machine); - x86_cpu_compat_set_features("n270", FEAT_1_ECX, 0, CPUID_EXT_MOVBE); - x86_cpu_compat_set_features("Westmere", FEAT_1_ECX, 0, CPUID_EXT_PCLMULQDQ); } static void pc_compat_1_3(MachineState *machine) @@ -416,40 +347,46 @@ static void pc_compat_1_3(MachineState *machine) static void pc_compat_1_2(MachineState *machine) { pc_compat_1_3(machine); - x86_cpu_compat_kvm_no_autoenable(FEAT_KVM, 1 << KVM_FEATURE_PV_EOI); + 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); - kvmclock_enabled = false; } static void pc_init_isa(MachineState *machine) { - pci_enabled = false; - has_acpi_build = false; - smbios_defaults = false; - gigabyte_align = false; - smbios_legacy_mode = true; - has_reserved_memory = false; - option_rom_has_mr = true; - rom_file_has_mr = false; if (!machine->cpu_model) { machine->cpu_model = "486"; } - x86_cpu_compat_kvm_no_autoenable(FEAT_KVM, 1 << KVM_FEATURE_PV_EOI); + x86_cpu_change_kvm_default("kvm-pv-eoi", NULL); enable_compat_apic_id_mode(); - pc_init1(machine); + 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; - pc_init1(machine); + 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) { @@ -465,27 +402,55 @@ static void pc_xen_hvm_init(MachineState *machine) if (compat) { \ compat(machine); \ } \ - pc_init1(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) { - pc_default_machine_options(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_4_machine_options(MachineClass *m) +static void pc_i440fx_2_6_machine_options(MachineClass *m) { pc_i440fx_machine_options(m); - m->default_machine_opts = "firmware=bios-256k.bin"; - m->default_display = "std"; 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) @@ -493,8 +458,7 @@ DEFINE_I440FX_MACHINE(v2_4, "pc-i440fx-2.4", NULL, static void pc_i440fx_2_3_machine_options(MachineClass *m) { pc_i440fx_2_4_machine_options(m); - m->alias = NULL; - m->is_default = 0; + m->hw_version = "2.3.0"; SET_MACHINE_COMPAT(m, PC_COMPAT_2_3); } @@ -504,8 +468,11 @@ DEFINE_I440FX_MACHINE(v2_3, "pc-i440fx-2.3", pc_compat_2_3, 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, @@ -514,9 +481,13 @@ DEFINE_I440FX_MACHINE(v2_2, "pc-i440fx-2.2", pc_compat_2_2, 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, @@ -526,8 +497,30 @@ DEFINE_I440FX_MACHINE(v2_1, "pc-i440fx-2.1", pc_compat_2_1, 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, @@ -536,9 +529,15 @@ DEFINE_I440FX_MACHINE(v2_0, "pc-i440fx-2.0", pc_compat_2_0, 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, @@ -547,8 +546,12 @@ DEFINE_I440FX_MACHINE(v1_7, "pc-i440fx-1.7", pc_compat_1_7, 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, @@ -558,6 +561,7 @@ DEFINE_I440FX_MACHINE(v1_6, "pc-i440fx-1.6", pc_compat_1_6, 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); } @@ -568,6 +572,7 @@ DEFINE_I440FX_MACHINE(v1_5, "pc-i440fx-1.5", pc_compat_1_5, 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); } @@ -600,6 +605,7 @@ DEFINE_I440FX_MACHINE(v1_4, "pc-i440fx-1.4", pc_compat_1_4, 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); } @@ -638,6 +644,7 @@ DEFINE_I440FX_MACHINE(v1_3, "pc-1.3", pc_compat_1_3, 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); } @@ -680,6 +687,7 @@ DEFINE_I440FX_MACHINE(v1_2, "pc-1.2", pc_compat_1_2, 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); } @@ -797,9 +805,11 @@ DEFINE_I440FX_MACHINE(v0_14, "pc-0.14", pc_compat_1_2, 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, @@ -906,12 +916,132 @@ static void pc_i440fx_0_10_machine_options(MachineClass *m) 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) { - pc_common_machine_options(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, @@ -921,7 +1051,6 @@ DEFINE_PC_MACHINE(isapc, "isapc", pc_init_isa, #ifdef CONFIG_XEN static void xenfv_machine_options(MachineClass *m) { - pc_common_machine_options(m); m->desc = "Xen Fully-virtualized PC"; m->max_cpus = HVM_MAX_VCPUS; m->default_machine_opts = "accel=xen"; -- cgit 1.2.3-korg