xref: /qemu/hw/i386/pc_piix.c (revision bd50530a)
1 /*
2  * QEMU PC System Emulator
3  *
4  * Copyright (c) 2003-2004 Fabrice Bellard
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a copy
7  * of this software and associated documentation files (the "Software"), to deal
8  * in the Software without restriction, including without limitation the rights
9  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10  * copies of the Software, and to permit persons to whom the Software is
11  * furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included in
14  * all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22  * THE SOFTWARE.
23  */
24 
25 #include <glib.h>
26 
27 #include "hw/hw.h"
28 #include "hw/loader.h"
29 #include "hw/i386/pc.h"
30 #include "hw/i386/apic.h"
31 #include "hw/i386/smbios.h"
32 #include "hw/pci/pci.h"
33 #include "hw/pci/pci_ids.h"
34 #include "hw/usb.h"
35 #include "net/net.h"
36 #include "hw/boards.h"
37 #include "hw/ide.h"
38 #include "sysemu/kvm.h"
39 #include "hw/kvm/clock.h"
40 #include "sysemu/sysemu.h"
41 #include "hw/sysbus.h"
42 #include "hw/cpu/icc_bus.h"
43 #include "sysemu/arch_init.h"
44 #include "sysemu/block-backend.h"
45 #include "hw/i2c/smbus.h"
46 #include "hw/xen/xen.h"
47 #include "exec/memory.h"
48 #include "exec/address-spaces.h"
49 #include "hw/acpi/acpi.h"
50 #include "cpu.h"
51 #include "qemu/error-report.h"
52 #ifdef CONFIG_XEN
53 #  include <xen/hvm/hvm_info_table.h>
54 #endif
55 #include "migration/migration.h"
56 
57 #define MAX_IDE_BUS 2
58 
59 static const int ide_iobase[MAX_IDE_BUS] = { 0x1f0, 0x170 };
60 static const int ide_iobase2[MAX_IDE_BUS] = { 0x3f6, 0x376 };
61 static const int ide_irq[MAX_IDE_BUS] = { 14, 15 };
62 
63 static bool pci_enabled = true;
64 static bool has_acpi_build = true;
65 static bool rsdp_in_ram = true;
66 static int legacy_acpi_table_size;
67 static bool smbios_defaults = true;
68 static bool smbios_legacy_mode;
69 static bool smbios_uuid_encoded = true;
70 /* Make sure that guest addresses aligned at 1Gbyte boundaries get mapped to
71  * host addresses aligned at 1Gbyte boundaries.  This way we can use 1GByte
72  * pages in the host.
73  */
74 static bool gigabyte_align = true;
75 static bool has_reserved_memory = true;
76 static bool kvmclock_enabled = true;
77 
78 /* PC hardware initialisation */
79 static void pc_init1(MachineState *machine)
80 {
81     PCMachineState *pc_machine = PC_MACHINE(machine);
82     MemoryRegion *system_memory = get_system_memory();
83     MemoryRegion *system_io = get_system_io();
84     int i;
85     ram_addr_t below_4g_mem_size, above_4g_mem_size;
86     PCIBus *pci_bus;
87     ISABus *isa_bus;
88     PCII440FXState *i440fx_state;
89     int piix3_devfn = -1;
90     qemu_irq *gsi;
91     qemu_irq *i8259;
92     qemu_irq smi_irq;
93     GSIState *gsi_state;
94     DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
95     BusState *idebus[MAX_IDE_BUS];
96     ISADevice *rtc_state;
97     ISADevice *floppy;
98     MemoryRegion *ram_memory;
99     MemoryRegion *pci_memory;
100     MemoryRegion *rom_memory;
101     DeviceState *icc_bridge;
102     PcGuestInfo *guest_info;
103     ram_addr_t lowmem;
104 
105     /* Check whether RAM fits below 4G (leaving 1/2 GByte for IO memory).
106      * If it doesn't, we need to split it in chunks below and above 4G.
107      * In any case, try to make sure that guest addresses aligned at
108      * 1G boundaries get mapped to host addresses aligned at 1G boundaries.
109      * For old machine types, use whatever split we used historically to avoid
110      * breaking migration.
111      */
112     if (machine->ram_size >= 0xe0000000) {
113         lowmem = gigabyte_align ? 0xc0000000 : 0xe0000000;
114     } else {
115         lowmem = 0xe0000000;
116     }
117 
118     /* Handle the machine opt max-ram-below-4g.  It is basically doing
119      * min(qemu limit, user limit).
120      */
121     if (lowmem > pc_machine->max_ram_below_4g) {
122         lowmem = pc_machine->max_ram_below_4g;
123         if (machine->ram_size - lowmem > lowmem &&
124             lowmem & ((1ULL << 30) - 1)) {
125             error_report("Warning: Large machine and max_ram_below_4g(%"PRIu64
126                          ") not a multiple of 1G; possible bad performance.",
127                          pc_machine->max_ram_below_4g);
128         }
129     }
130 
131     if (machine->ram_size >= lowmem) {
132         above_4g_mem_size = machine->ram_size - lowmem;
133         below_4g_mem_size = lowmem;
134     } else {
135         above_4g_mem_size = 0;
136         below_4g_mem_size = machine->ram_size;
137     }
138 
139     if (xen_enabled() && xen_hvm_init(&below_4g_mem_size, &above_4g_mem_size,
140                                       &ram_memory) != 0) {
141         fprintf(stderr, "xen hardware virtual machine initialisation failed\n");
142         exit(1);
143     }
144 
145     icc_bridge = qdev_create(NULL, TYPE_ICC_BRIDGE);
146     object_property_add_child(qdev_get_machine(), "icc-bridge",
147                               OBJECT(icc_bridge), NULL);
148 
149     pc_cpus_init(machine->cpu_model, icc_bridge);
150 
151     if (kvm_enabled() && kvmclock_enabled) {
152         kvmclock_create();
153     }
154 
155     if (pci_enabled) {
156         pci_memory = g_new(MemoryRegion, 1);
157         memory_region_init(pci_memory, NULL, "pci", UINT64_MAX);
158         rom_memory = pci_memory;
159     } else {
160         pci_memory = NULL;
161         rom_memory = system_memory;
162     }
163 
164     guest_info = pc_guest_info_init(below_4g_mem_size, above_4g_mem_size);
165 
166     guest_info->has_acpi_build = has_acpi_build;
167     guest_info->legacy_acpi_table_size = legacy_acpi_table_size;
168 
169     guest_info->isapc_ram_fw = !pci_enabled;
170     guest_info->has_reserved_memory = has_reserved_memory;
171     guest_info->rsdp_in_ram = rsdp_in_ram;
172 
173     if (smbios_defaults) {
174         MachineClass *mc = MACHINE_GET_CLASS(machine);
175         /* These values are guest ABI, do not change */
176         smbios_set_defaults("QEMU", "Standard PC (i440FX + PIIX, 1996)",
177                             mc->name, smbios_legacy_mode, smbios_uuid_encoded);
178     }
179 
180     /* allocate ram and load rom/bios */
181     if (!xen_enabled()) {
182         pc_memory_init(machine, system_memory,
183                        below_4g_mem_size, above_4g_mem_size,
184                        rom_memory, &ram_memory, guest_info);
185     } else if (machine->kernel_filename != NULL) {
186         /* For xen HVM direct kernel boot, load linux here */
187         xen_load_linux(machine->kernel_filename,
188                        machine->kernel_cmdline,
189                        machine->initrd_filename,
190                        below_4g_mem_size,
191                        guest_info);
192     }
193 
194     gsi_state = g_malloc0(sizeof(*gsi_state));
195     if (kvm_irqchip_in_kernel()) {
196         kvm_pc_setup_irq_routing(pci_enabled);
197         gsi = qemu_allocate_irqs(kvm_pc_gsi_handler, gsi_state,
198                                  GSI_NUM_PINS);
199     } else {
200         gsi = qemu_allocate_irqs(gsi_handler, gsi_state, GSI_NUM_PINS);
201     }
202 
203     if (pci_enabled) {
204         pci_bus = i440fx_init(&i440fx_state, &piix3_devfn, &isa_bus, gsi,
205                               system_memory, system_io, machine->ram_size,
206                               below_4g_mem_size,
207                               above_4g_mem_size,
208                               pci_memory, ram_memory);
209     } else {
210         pci_bus = NULL;
211         i440fx_state = NULL;
212         isa_bus = isa_bus_new(NULL, get_system_memory(), system_io);
213         no_hpet = 1;
214     }
215     isa_bus_irqs(isa_bus, gsi);
216 
217     if (kvm_irqchip_in_kernel()) {
218         i8259 = kvm_i8259_init(isa_bus);
219     } else if (xen_enabled()) {
220         i8259 = xen_interrupt_controller_init();
221     } else {
222         i8259 = i8259_init(isa_bus, pc_allocate_cpu_irq());
223     }
224 
225     for (i = 0; i < ISA_NUM_IRQS; i++) {
226         gsi_state->i8259_irq[i] = i8259[i];
227     }
228     g_free(i8259);
229     if (pci_enabled) {
230         ioapic_init_gsi(gsi_state, "i440fx");
231     }
232     qdev_init_nofail(icc_bridge);
233 
234     pc_register_ferr_irq(gsi[13]);
235 
236     pc_vga_init(isa_bus, pci_enabled ? pci_bus : NULL);
237 
238     assert(pc_machine->vmport != ON_OFF_AUTO_MAX);
239     if (pc_machine->vmport == ON_OFF_AUTO_AUTO) {
240         pc_machine->vmport = xen_enabled() ? ON_OFF_AUTO_OFF : ON_OFF_AUTO_ON;
241     }
242 
243     /* init basic PC hardware */
244     pc_basic_device_init(isa_bus, gsi, &rtc_state, true, &floppy,
245                          (pc_machine->vmport != ON_OFF_AUTO_ON), 0x4);
246 
247     pc_nic_init(isa_bus, pci_bus);
248 
249     ide_drive_get(hd, ARRAY_SIZE(hd));
250     if (pci_enabled) {
251         PCIDevice *dev;
252         if (xen_enabled()) {
253             dev = pci_piix3_xen_ide_init(pci_bus, hd, piix3_devfn + 1);
254         } else {
255             dev = pci_piix3_ide_init(pci_bus, hd, piix3_devfn + 1);
256         }
257         idebus[0] = qdev_get_child_bus(&dev->qdev, "ide.0");
258         idebus[1] = qdev_get_child_bus(&dev->qdev, "ide.1");
259     } else {
260         for(i = 0; i < MAX_IDE_BUS; i++) {
261             ISADevice *dev;
262             char busname[] = "ide.0";
263             dev = isa_ide_init(isa_bus, ide_iobase[i], ide_iobase2[i],
264                                ide_irq[i],
265                                hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]);
266             /*
267              * The ide bus name is ide.0 for the first bus and ide.1 for the
268              * second one.
269              */
270             busname[4] = '0' + i;
271             idebus[i] = qdev_get_child_bus(DEVICE(dev), busname);
272         }
273     }
274 
275     pc_cmos_init(below_4g_mem_size, above_4g_mem_size, machine->boot_order,
276                  machine, floppy, idebus[0], idebus[1], rtc_state);
277 
278     if (pci_enabled && usb_enabled()) {
279         pci_create_simple(pci_bus, piix3_devfn + 2, "piix3-usb-uhci");
280     }
281 
282     if (pci_enabled && acpi_enabled) {
283         DeviceState *piix4_pm;
284         I2CBus *smbus;
285 
286         smi_irq = qemu_allocate_irq(pc_acpi_smi_interrupt, first_cpu, 0);
287         /* TODO: Populate SPD eeprom data.  */
288         smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100,
289                               gsi[9], smi_irq,
290                               kvm_enabled(), &piix4_pm);
291         smbus_eeprom_init(smbus, 8, NULL, 0);
292 
293         object_property_add_link(OBJECT(machine), PC_MACHINE_ACPI_DEVICE_PROP,
294                                  TYPE_HOTPLUG_HANDLER,
295                                  (Object **)&pc_machine->acpi_dev,
296                                  object_property_allow_set_link,
297                                  OBJ_PROP_LINK_UNREF_ON_RELEASE, &error_abort);
298         object_property_set_link(OBJECT(machine), OBJECT(piix4_pm),
299                                  PC_MACHINE_ACPI_DEVICE_PROP, &error_abort);
300     }
301 
302     if (pci_enabled) {
303         pc_pci_device_init(pci_bus);
304     }
305 }
306 
307 static void pc_compat_2_3(MachineState *machine)
308 {
309     savevm_skip_section_footers();
310 }
311 
312 static void pc_compat_2_2(MachineState *machine)
313 {
314     pc_compat_2_3(machine);
315     rsdp_in_ram = false;
316     x86_cpu_compat_set_features("kvm64", FEAT_1_EDX, 0, CPUID_VME);
317     x86_cpu_compat_set_features("kvm32", FEAT_1_EDX, 0, CPUID_VME);
318     x86_cpu_compat_set_features("Conroe", FEAT_1_EDX, 0, CPUID_VME);
319     x86_cpu_compat_set_features("Penryn", FEAT_1_EDX, 0, CPUID_VME);
320     x86_cpu_compat_set_features("Nehalem", FEAT_1_EDX, 0, CPUID_VME);
321     x86_cpu_compat_set_features("Westmere", FEAT_1_EDX, 0, CPUID_VME);
322     x86_cpu_compat_set_features("SandyBridge", FEAT_1_EDX, 0, CPUID_VME);
323     x86_cpu_compat_set_features("Haswell", FEAT_1_EDX, 0, CPUID_VME);
324     x86_cpu_compat_set_features("Broadwell", FEAT_1_EDX, 0, CPUID_VME);
325     x86_cpu_compat_set_features("Opteron_G1", FEAT_1_EDX, 0, CPUID_VME);
326     x86_cpu_compat_set_features("Opteron_G2", FEAT_1_EDX, 0, CPUID_VME);
327     x86_cpu_compat_set_features("Opteron_G3", FEAT_1_EDX, 0, CPUID_VME);
328     x86_cpu_compat_set_features("Opteron_G4", FEAT_1_EDX, 0, CPUID_VME);
329     x86_cpu_compat_set_features("Opteron_G5", FEAT_1_EDX, 0, CPUID_VME);
330     x86_cpu_compat_set_features("Haswell", FEAT_1_ECX, 0, CPUID_EXT_F16C);
331     x86_cpu_compat_set_features("Haswell", FEAT_1_ECX, 0, CPUID_EXT_RDRAND);
332     x86_cpu_compat_set_features("Broadwell", FEAT_1_ECX, 0, CPUID_EXT_F16C);
333     x86_cpu_compat_set_features("Broadwell", FEAT_1_ECX, 0, CPUID_EXT_RDRAND);
334     machine->suppress_vmdesc = true;
335 }
336 
337 static void pc_compat_2_1(MachineState *machine)
338 {
339     PCMachineState *pcms = PC_MACHINE(machine);
340 
341     pc_compat_2_2(machine);
342     smbios_uuid_encoded = false;
343     x86_cpu_compat_set_features("coreduo", FEAT_1_ECX, CPUID_EXT_VMX, 0);
344     x86_cpu_compat_set_features("core2duo", FEAT_1_ECX, CPUID_EXT_VMX, 0);
345     x86_cpu_compat_kvm_no_autodisable(FEAT_8000_0001_ECX, CPUID_EXT3_SVM);
346     pcms->enforce_aligned_dimm = false;
347 }
348 
349 static void pc_compat_2_0(MachineState *machine)
350 {
351     pc_compat_2_1(machine);
352     /* This value depends on the actual DSDT and SSDT compiled into
353      * the source QEMU; unfortunately it depends on the binary and
354      * not on the machine type, so we cannot make pc-i440fx-1.7 work on
355      * both QEMU 1.7 and QEMU 2.0.
356      *
357      * Large variations cause migration to fail for more than one
358      * consecutive value of the "-smp" maxcpus option.
359      *
360      * For small variations of the kind caused by different iasl versions,
361      * the 4k rounding usually leaves slack.  However, there could be still
362      * one or two values that break.  For QEMU 1.7 and QEMU 2.0 the
363      * slack is only ~10 bytes before one "-smp maxcpus" value breaks!
364      *
365      * 6652 is valid for QEMU 2.0, the right value for pc-i440fx-1.7 on
366      * QEMU 1.7 it is 6414.  For RHEL/CentOS 7.0 it is 6418.
367      */
368     legacy_acpi_table_size = 6652;
369     smbios_legacy_mode = true;
370     has_reserved_memory = false;
371     pc_set_legacy_acpi_data_size();
372 }
373 
374 static void pc_compat_1_7(MachineState *machine)
375 {
376     pc_compat_2_0(machine);
377     smbios_defaults = false;
378     gigabyte_align = false;
379     option_rom_has_mr = true;
380     legacy_acpi_table_size = 6414;
381     x86_cpu_compat_kvm_no_autoenable(FEAT_1_ECX, CPUID_EXT_X2APIC);
382 }
383 
384 static void pc_compat_1_6(MachineState *machine)
385 {
386     pc_compat_1_7(machine);
387     rom_file_has_mr = false;
388     has_acpi_build = false;
389 }
390 
391 static void pc_compat_1_5(MachineState *machine)
392 {
393     pc_compat_1_6(machine);
394 }
395 
396 static void pc_compat_1_4(MachineState *machine)
397 {
398     pc_compat_1_5(machine);
399     x86_cpu_compat_set_features("n270", FEAT_1_ECX, 0, CPUID_EXT_MOVBE);
400     x86_cpu_compat_set_features("Westmere", FEAT_1_ECX, 0, CPUID_EXT_PCLMULQDQ);
401 }
402 
403 static void pc_compat_1_3(MachineState *machine)
404 {
405     pc_compat_1_4(machine);
406     enable_compat_apic_id_mode();
407 }
408 
409 /* PC compat function for pc-0.14 to pc-1.2 */
410 static void pc_compat_1_2(MachineState *machine)
411 {
412     pc_compat_1_3(machine);
413     x86_cpu_compat_kvm_no_autoenable(FEAT_KVM, 1 << KVM_FEATURE_PV_EOI);
414 }
415 
416 /* PC compat function for pc-0.10 to pc-0.13 */
417 static void pc_compat_0_13(MachineState *machine)
418 {
419     pc_compat_1_2(machine);
420     kvmclock_enabled = false;
421 }
422 
423 static void pc_init_isa(MachineState *machine)
424 {
425     pci_enabled = false;
426     has_acpi_build = false;
427     smbios_defaults = false;
428     gigabyte_align = false;
429     smbios_legacy_mode = true;
430     has_reserved_memory = false;
431     option_rom_has_mr = true;
432     rom_file_has_mr = false;
433     if (!machine->cpu_model) {
434         machine->cpu_model = "486";
435     }
436     x86_cpu_compat_kvm_no_autoenable(FEAT_KVM, 1 << KVM_FEATURE_PV_EOI);
437     enable_compat_apic_id_mode();
438     pc_init1(machine);
439 }
440 
441 #ifdef CONFIG_XEN
442 static void pc_xen_hvm_init(MachineState *machine)
443 {
444     PCIBus *bus;
445 
446     pc_init1(machine);
447 
448     bus = pci_find_primary_bus();
449     if (bus != NULL) {
450         pci_create_simple(bus, -1, "xen-platform");
451     }
452 }
453 #endif
454 
455 #define DEFINE_I440FX_MACHINE(suffix, name, compatfn, optionfn) \
456     static void pc_init_##suffix(MachineState *machine) \
457     { \
458         void (*compat)(MachineState *m) = (compatfn); \
459         if (compat) { \
460             compat(machine); \
461         } \
462         pc_init1(machine); \
463     } \
464     DEFINE_PC_MACHINE(suffix, name, pc_init_##suffix, optionfn)
465 
466 static void pc_i440fx_machine_options(MachineClass *m)
467 {
468     pc_default_machine_options(m);
469     m->family = "pc_piix";
470     m->desc = "Standard PC (i440FX + PIIX, 1996)";
471     m->hot_add_cpu = pc_hot_add_cpu;
472 }
473 
474 static void pc_i440fx_2_4_machine_options(MachineClass *m)
475 {
476     pc_i440fx_machine_options(m);
477     m->default_machine_opts = "firmware=bios-256k.bin";
478     m->default_display = "std";
479     m->alias = "pc";
480     m->is_default = 1;
481 }
482 
483 DEFINE_I440FX_MACHINE(v2_4, "pc-i440fx-2.4", NULL,
484                       pc_i440fx_2_4_machine_options)
485 
486 
487 static void pc_i440fx_2_3_machine_options(MachineClass *m)
488 {
489     pc_i440fx_machine_options(m);
490     m->alias = NULL;
491     m->is_default = 0;
492     SET_MACHINE_COMPAT(m, PC_COMPAT_2_3);
493 }
494 
495 DEFINE_I440FX_MACHINE(v2_3, "pc-i440fx-2.3", pc_compat_2_3,
496                       pc_i440fx_2_3_machine_options);
497 
498 
499 static void pc_i440fx_2_2_machine_options(MachineClass *m)
500 {
501     pc_i440fx_2_3_machine_options(m);
502     SET_MACHINE_COMPAT(m, PC_COMPAT_2_2);
503 }
504 
505 DEFINE_I440FX_MACHINE(v2_2, "pc-i440fx-2.2", pc_compat_2_2,
506                       pc_i440fx_2_2_machine_options);
507 
508 
509 static void pc_i440fx_2_1_machine_options(MachineClass *m)
510 {
511     pc_i440fx_2_2_machine_options(m);
512     m->default_display = NULL;
513     SET_MACHINE_COMPAT(m, PC_COMPAT_2_1);
514 }
515 
516 DEFINE_I440FX_MACHINE(v2_1, "pc-i440fx-2.1", pc_compat_2_1,
517                       pc_i440fx_2_1_machine_options);
518 
519 
520 
521 static void pc_i440fx_2_0_machine_options(MachineClass *m)
522 {
523     pc_i440fx_2_1_machine_options(m);
524     SET_MACHINE_COMPAT(m, PC_COMPAT_2_0);
525 }
526 
527 DEFINE_I440FX_MACHINE(v2_0, "pc-i440fx-2.0", pc_compat_2_0,
528                       pc_i440fx_2_0_machine_options);
529 
530 
531 static void pc_i440fx_1_7_machine_options(MachineClass *m)
532 {
533     pc_i440fx_2_0_machine_options(m);
534     m->default_machine_opts = NULL;
535     SET_MACHINE_COMPAT(m, PC_COMPAT_1_7);
536 }
537 
538 DEFINE_I440FX_MACHINE(v1_7, "pc-i440fx-1.7", pc_compat_1_7,
539                       pc_i440fx_1_7_machine_options);
540 
541 
542 static void pc_i440fx_1_6_machine_options(MachineClass *m)
543 {
544     pc_i440fx_1_7_machine_options(m);
545     SET_MACHINE_COMPAT(m, PC_COMPAT_1_6);
546 }
547 
548 DEFINE_I440FX_MACHINE(v1_6, "pc-i440fx-1.6", pc_compat_1_6,
549                       pc_i440fx_1_6_machine_options);
550 
551 
552 static void pc_i440fx_1_5_machine_options(MachineClass *m)
553 {
554     pc_i440fx_1_6_machine_options(m);
555     SET_MACHINE_COMPAT(m, PC_COMPAT_1_5);
556 }
557 
558 DEFINE_I440FX_MACHINE(v1_5, "pc-i440fx-1.5", pc_compat_1_5,
559                       pc_i440fx_1_5_machine_options);
560 
561 
562 static void pc_i440fx_1_4_machine_options(MachineClass *m)
563 {
564     pc_i440fx_1_5_machine_options(m);
565     m->hot_add_cpu = NULL;
566     SET_MACHINE_COMPAT(m, PC_COMPAT_1_4);
567 }
568 
569 DEFINE_I440FX_MACHINE(v1_4, "pc-i440fx-1.4", pc_compat_1_4,
570                       pc_i440fx_1_4_machine_options);
571 
572 
573 #define PC_COMPAT_1_3 \
574         PC_COMPAT_1_4 \
575         {\
576             .driver   = "usb-tablet",\
577             .property = "usb_version",\
578             .value    = stringify(1),\
579         },{\
580             .driver   = "virtio-net-pci",\
581             .property = "ctrl_mac_addr",\
582             .value    = "off",      \
583         },{ \
584             .driver   = "virtio-net-pci", \
585             .property = "mq", \
586             .value    = "off", \
587         }, {\
588             .driver   = "e1000",\
589             .property = "autonegotiation",\
590             .value    = "off",\
591         },
592 
593 
594 static void pc_i440fx_1_3_machine_options(MachineClass *m)
595 {
596     pc_i440fx_1_4_machine_options(m);
597     SET_MACHINE_COMPAT(m, PC_COMPAT_1_3);
598 }
599 
600 DEFINE_I440FX_MACHINE(v1_3, "pc-1.3", pc_compat_1_3,
601                       pc_i440fx_1_3_machine_options);
602 
603 
604 #define PC_COMPAT_1_2 \
605         PC_COMPAT_1_3 \
606         {\
607             .driver   = "nec-usb-xhci",\
608             .property = "msi",\
609             .value    = "off",\
610         },{\
611             .driver   = "nec-usb-xhci",\
612             .property = "msix",\
613             .value    = "off",\
614         },{\
615             .driver   = "ivshmem",\
616             .property = "use64",\
617             .value    = "0",\
618         },{\
619             .driver   = "qxl",\
620             .property = "revision",\
621             .value    = stringify(3),\
622         },{\
623             .driver   = "qxl-vga",\
624             .property = "revision",\
625             .value    = stringify(3),\
626         },{\
627             .driver   = "VGA",\
628             .property = "mmio",\
629             .value    = "off",\
630         },
631 
632 static void pc_i440fx_1_2_machine_options(MachineClass *m)
633 {
634     pc_i440fx_1_3_machine_options(m);
635     SET_MACHINE_COMPAT(m, PC_COMPAT_1_2);
636 }
637 
638 DEFINE_I440FX_MACHINE(v1_2, "pc-1.2", pc_compat_1_2,
639                       pc_i440fx_1_2_machine_options);
640 
641 
642 #define PC_COMPAT_1_1 \
643         PC_COMPAT_1_2 \
644         {\
645             .driver   = "virtio-scsi-pci",\
646             .property = "hotplug",\
647             .value    = "off",\
648         },{\
649             .driver   = "virtio-scsi-pci",\
650             .property = "param_change",\
651             .value    = "off",\
652         },{\
653             .driver   = "VGA",\
654             .property = "vgamem_mb",\
655             .value    = stringify(8),\
656         },{\
657             .driver   = "vmware-svga",\
658             .property = "vgamem_mb",\
659             .value    = stringify(8),\
660         },{\
661             .driver   = "qxl-vga",\
662             .property = "vgamem_mb",\
663             .value    = stringify(8),\
664         },{\
665             .driver   = "qxl",\
666             .property = "vgamem_mb",\
667             .value    = stringify(8),\
668         },{\
669             .driver   = "virtio-blk-pci",\
670             .property = "config-wce",\
671             .value    = "off",\
672         },
673 
674 static void pc_i440fx_1_1_machine_options(MachineClass *m)
675 {
676     pc_i440fx_1_2_machine_options(m);
677     SET_MACHINE_COMPAT(m, PC_COMPAT_1_1);
678 }
679 
680 DEFINE_I440FX_MACHINE(v1_1, "pc-1.1", pc_compat_1_2,
681                       pc_i440fx_1_1_machine_options);
682 
683 
684 #define PC_COMPAT_1_0 \
685         PC_COMPAT_1_1 \
686         {\
687             .driver   = TYPE_ISA_FDC,\
688             .property = "check_media_rate",\
689             .value    = "off",\
690         }, {\
691             .driver   = "virtio-balloon-pci",\
692             .property = "class",\
693             .value    = stringify(PCI_CLASS_MEMORY_RAM),\
694         },{\
695             .driver   = "apic-common",\
696             .property = "vapic",\
697             .value    = "off",\
698         },{\
699             .driver   = TYPE_USB_DEVICE,\
700             .property = "full-path",\
701             .value    = "no",\
702         },
703 
704 static void pc_i440fx_1_0_machine_options(MachineClass *m)
705 {
706     pc_i440fx_1_1_machine_options(m);
707     m->hw_version = "1.0";
708     SET_MACHINE_COMPAT(m, PC_COMPAT_1_0);
709 }
710 
711 DEFINE_I440FX_MACHINE(v1_0, "pc-1.0", pc_compat_1_2,
712                       pc_i440fx_1_0_machine_options);
713 
714 
715 #define PC_COMPAT_0_15 \
716         PC_COMPAT_1_0
717 
718 static void pc_i440fx_0_15_machine_options(MachineClass *m)
719 {
720     pc_i440fx_1_0_machine_options(m);
721     m->hw_version = "0.15";
722     SET_MACHINE_COMPAT(m, PC_COMPAT_0_15);
723 }
724 
725 DEFINE_I440FX_MACHINE(v0_15, "pc-0.15", pc_compat_1_2,
726                       pc_i440fx_0_15_machine_options);
727 
728 
729 #define PC_COMPAT_0_14 \
730         PC_COMPAT_0_15 \
731         {\
732             .driver   = "virtio-blk-pci",\
733             .property = "event_idx",\
734             .value    = "off",\
735         },{\
736             .driver   = "virtio-serial-pci",\
737             .property = "event_idx",\
738             .value    = "off",\
739         },{\
740             .driver   = "virtio-net-pci",\
741             .property = "event_idx",\
742             .value    = "off",\
743         },{\
744             .driver   = "virtio-balloon-pci",\
745             .property = "event_idx",\
746             .value    = "off",\
747         },{\
748             .driver   = "qxl",\
749             .property = "revision",\
750             .value    = stringify(2),\
751         },{\
752             .driver   = "qxl-vga",\
753             .property = "revision",\
754             .value    = stringify(2),\
755         },
756 
757 static void pc_i440fx_0_14_machine_options(MachineClass *m)
758 {
759     pc_i440fx_0_15_machine_options(m);
760     m->hw_version = "0.14";
761     SET_MACHINE_COMPAT(m, PC_COMPAT_0_14);
762 }
763 
764 DEFINE_I440FX_MACHINE(v0_14, "pc-0.14", pc_compat_1_2,
765                       pc_i440fx_0_14_machine_options);
766 
767 
768 #define PC_COMPAT_0_13 \
769         PC_COMPAT_0_14 \
770         {\
771             .driver   = TYPE_PCI_DEVICE,\
772             .property = "command_serr_enable",\
773             .value    = "off",\
774         },{\
775             .driver   = "AC97",\
776             .property = "use_broken_id",\
777             .value    = stringify(1),\
778         },{\
779             .driver   = "virtio-9p-pci",\
780             .property = "vectors",\
781             .value    = stringify(0),\
782         },{\
783             .driver   = "VGA",\
784             .property = "rombar",\
785             .value    = stringify(0),\
786         },{\
787             .driver   = "vmware-svga",\
788             .property = "rombar",\
789             .value    = stringify(0),\
790         },
791 
792 static void pc_i440fx_0_13_machine_options(MachineClass *m)
793 {
794     pc_i440fx_0_14_machine_options(m);
795     m->hw_version = "0.13";
796     SET_MACHINE_COMPAT(m, PC_COMPAT_0_13);
797 }
798 
799 DEFINE_I440FX_MACHINE(v0_13, "pc-0.13", pc_compat_0_13,
800                       pc_i440fx_0_13_machine_options);
801 
802 
803 #define PC_COMPAT_0_12 \
804         PC_COMPAT_0_13 \
805         {\
806             .driver   = "virtio-serial-pci",\
807             .property = "max_ports",\
808             .value    = stringify(1),\
809         },{\
810             .driver   = "virtio-serial-pci",\
811             .property = "vectors",\
812             .value    = stringify(0),\
813         },{\
814             .driver   = "usb-mouse",\
815             .property = "serial",\
816             .value    = "1",\
817         },{\
818             .driver   = "usb-tablet",\
819             .property = "serial",\
820             .value    = "1",\
821         },{\
822             .driver   = "usb-kbd",\
823             .property = "serial",\
824             .value    = "1",\
825         },
826 
827 static void pc_i440fx_0_12_machine_options(MachineClass *m)
828 {
829     pc_i440fx_0_13_machine_options(m);
830     m->hw_version = "0.12";
831     SET_MACHINE_COMPAT(m, PC_COMPAT_0_12);
832 }
833 
834 DEFINE_I440FX_MACHINE(v0_12, "pc-0.12", pc_compat_0_13,
835                       pc_i440fx_0_12_machine_options);
836 
837 
838 #define PC_COMPAT_0_11 \
839         PC_COMPAT_0_12 \
840         {\
841             .driver   = "virtio-blk-pci",\
842             .property = "vectors",\
843             .value    = stringify(0),\
844         },{\
845             .driver   = TYPE_PCI_DEVICE,\
846             .property = "rombar",\
847             .value    = stringify(0),\
848         },{\
849             .driver   = "ide-drive",\
850             .property = "ver",\
851             .value    = "0.11",\
852         },{\
853             .driver   = "scsi-disk",\
854             .property = "ver",\
855             .value    = "0.11",\
856         },
857 
858 static void pc_i440fx_0_11_machine_options(MachineClass *m)
859 {
860     pc_i440fx_0_12_machine_options(m);
861     m->hw_version = "0.11";
862     SET_MACHINE_COMPAT(m, PC_COMPAT_0_11);
863 }
864 
865 DEFINE_I440FX_MACHINE(v0_11, "pc-0.11", pc_compat_0_13,
866                       pc_i440fx_0_11_machine_options);
867 
868 
869 #define PC_COMPAT_0_10 \
870     PC_COMPAT_0_11 \
871     {\
872         .driver   = "virtio-blk-pci",\
873         .property = "class",\
874         .value    = stringify(PCI_CLASS_STORAGE_OTHER),\
875     },{\
876         .driver   = "virtio-serial-pci",\
877         .property = "class",\
878         .value    = stringify(PCI_CLASS_DISPLAY_OTHER),\
879     },{\
880         .driver   = "virtio-net-pci",\
881         .property = "vectors",\
882         .value    = stringify(0),\
883     },{\
884         .driver   = "ide-drive",\
885         .property = "ver",\
886         .value    = "0.10",\
887     },{\
888         .driver   = "scsi-disk",\
889         .property = "ver",\
890         .value    = "0.10",\
891     },
892 
893 static void pc_i440fx_0_10_machine_options(MachineClass *m)
894 {
895     pc_i440fx_0_11_machine_options(m);
896     m->hw_version = "0.10";
897     SET_MACHINE_COMPAT(m, PC_COMPAT_0_10);
898 }
899 
900 DEFINE_I440FX_MACHINE(v0_10, "pc-0.10", pc_compat_0_13,
901                       pc_i440fx_0_10_machine_options);
902 
903 
904 static void isapc_machine_options(MachineClass *m)
905 {
906     pc_common_machine_options(m);
907     m->desc = "ISA-only PC";
908     m->max_cpus = 1;
909 }
910 
911 DEFINE_PC_MACHINE(isapc, "isapc", pc_init_isa,
912                   isapc_machine_options);
913 
914 
915 #ifdef CONFIG_XEN
916 static void xenfv_machine_options(MachineClass *m)
917 {
918     pc_common_machine_options(m);
919     m->desc = "Xen Fully-virtualized PC";
920     m->max_cpus = HVM_MAX_VCPUS;
921     m->default_machine_opts = "accel=xen";
922     m->hot_add_cpu = pc_hot_add_cpu;
923 }
924 
925 DEFINE_PC_MACHINE(xenfv, "xenfv", pc_xen_hvm_init,
926                   xenfv_machine_options);
927 #endif
928