#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"
#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"
#include "cpu.h"
#include "qemu/error-report.h"
#ifdef CONFIG_XEN
-# include <xen/hvm/hvm_info_table.h>
+#include <xen/hvm/hvm_info_table.h>
+#include "hw/xen/xen_pt.h"
#endif
+#include "migration/migration.h"
#define MAX_IDE_BUS 2
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);
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;
int piix3_devfn = -1;
- qemu_irq *cpu_irq;
qemu_irq *gsi;
qemu_irq *i8259;
- qemu_irq *smi_irq;
+ qemu_irq smi_irq;
GSIState *gsi_state;
DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
BusState *idebus[MAX_IDE_BUS];
ISADevice *rtc_state;
- ISADevice *floppy;
MemoryRegion *ram_memory;
MemoryRegion *pci_memory;
MemoryRegion *rom_memory;
- DeviceState *icc_bridge;
- FWCfgState *fw_cfg = NULL;
PcGuestInfo *guest_info;
ram_addr_t lowmem;
/* 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) {
+ if (xen_enabled() && xen_hvm_init(pcms, &ram_memory) != 0) {
fprintf(stderr, "xen hardware virtual machine initialisation failed\n");
exit(1);
}
- 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) {
kvmclock_create();
rom_memory = system_memory;
}
- guest_info = pc_guest_info_init(below_4g_mem_size, above_4g_mem_size);
+ guest_info = pc_guest_info_init(pcms);
guest_info->has_acpi_build = has_acpi_build;
guest_info->legacy_acpi_table_size = legacy_acpi_table_size;
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, smbios_legacy_mode, smbios_uuid_encoded,
+ SMBIOS_ENTRY_POINT_21);
}
/* allocate ram and load rom/bios */
if (!xen_enabled()) {
- fw_cfg = 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, guest_info);
} else if (machine->kernel_filename != NULL) {
/* For xen HVM direct kernel boot, load linux here */
- fw_cfg = xen_load_linux(machine->kernel_filename,
- machine->kernel_cmdline,
- machine->initrd_filename,
- below_4g_mem_size,
- guest_info);
+ xen_load_linux(pcms, guest_info);
}
gsi_state = g_malloc0(sizeof(*gsi_state));
}
if (pci_enabled) {
- pci_bus = i440fx_init(&i440fx_state, &piix3_devfn, &isa_bus, gsi,
+ 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);
} else {
pci_bus = NULL;
} else if (xen_enabled()) {
i8259 = xen_interrupt_controller_init();
} else {
- cpu_irq = pc_allocate_cpu_irq();
- i8259 = i8259_init(isa_bus, cpu_irq[0]);
+ 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 (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);
- 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, &floppy,
- (pc_machine->vmport != ON_OFF_AUTO_ON), 0x4);
+ pc_basic_device_init(isa_bus, gsi, &rtc_state, true,
+ (pcms->vmport != ON_OFF_AUTO_ON), 0x4);
pc_nic_init(isa_bus, pci_bus);
}
}
- pc_cmos_init(below_4g_mem_size, above_4g_mem_size, machine->boot_order,
- machine, floppy, idebus[0], idebus[1], rtc_state);
+ pc_cmos_init(pcms, idebus[0], idebus[1], rtc_state);
if (pci_enabled && usb_enabled()) {
pci_create_simple(pci_bus, piix3_devfn + 2, "piix3-usb-uhci");
DeviceState *piix4_pm;
I2CBus *smbus;
- smi_irq = qemu_allocate_irqs(pc_acpi_smi_interrupt, first_cpu, 1);
+ 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,
- kvm_enabled(), fw_cfg, &piix4_pm);
+ 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 **)&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),
}
}
+/* 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;
- 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;
}
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);
+ x86_cpu_change_kvm_default("svm", NULL);
pcms->enforce_aligned_dimm = 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)
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)
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 */
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) {
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_5_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_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->alias = NULL;
+ m->is_default = 0;
+ pcmc->broken_reserved_end = true;
+ pcmc->inter_dimm_gap = false;
+ 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_machine_options(m);
+ pc_i440fx_2_4_machine_options(m);
m->alias = NULL;
m->is_default = 0;
SET_MACHINE_COMPAT(m, PC_COMPAT_2_3);
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);
m->desc = "ISA-only PC";
m->max_cpus = 1;
}
#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";