xref: /openbmc/qemu/hw/i386/pc_piix.c (revision 5cd8cadae8db905afcbf877cae568c27d1d55a8a)
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 
56 #define MAX_IDE_BUS 2
57 
58 static const int ide_iobase[MAX_IDE_BUS] = { 0x1f0, 0x170 };
59 static const int ide_iobase2[MAX_IDE_BUS] = { 0x3f6, 0x376 };
60 static const int ide_irq[MAX_IDE_BUS] = { 14, 15 };
61 
62 static bool pci_enabled = true;
63 static bool has_acpi_build = true;
64 static bool rsdp_in_ram = true;
65 static int legacy_acpi_table_size;
66 static bool smbios_defaults = true;
67 static bool smbios_legacy_mode;
68 static bool smbios_uuid_encoded = true;
69 /* Make sure that guest addresses aligned at 1Gbyte boundaries get mapped to
70  * host addresses aligned at 1Gbyte boundaries.  This way we can use 1GByte
71  * pages in the host.
72  */
73 static bool gigabyte_align = true;
74 static bool has_reserved_memory = true;
75 static bool kvmclock_enabled = true;
76 
77 /* PC hardware initialisation */
78 static void pc_init1(MachineState *machine)
79 {
80     PCMachineState *pc_machine = PC_MACHINE(machine);
81     MemoryRegion *system_memory = get_system_memory();
82     MemoryRegion *system_io = get_system_io();
83     int i;
84     ram_addr_t below_4g_mem_size, above_4g_mem_size;
85     PCIBus *pci_bus;
86     ISABus *isa_bus;
87     PCII440FXState *i440fx_state;
88     int piix3_devfn = -1;
89     qemu_irq *gsi;
90     qemu_irq *i8259;
91     qemu_irq smi_irq;
92     GSIState *gsi_state;
93     DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
94     BusState *idebus[MAX_IDE_BUS];
95     ISADevice *rtc_state;
96     ISADevice *floppy;
97     MemoryRegion *ram_memory;
98     MemoryRegion *pci_memory;
99     MemoryRegion *rom_memory;
100     DeviceState *icc_bridge;
101     PcGuestInfo *guest_info;
102     ram_addr_t lowmem;
103 
104     /* Check whether RAM fits below 4G (leaving 1/2 GByte for IO memory).
105      * If it doesn't, we need to split it in chunks below and above 4G.
106      * In any case, try to make sure that guest addresses aligned at
107      * 1G boundaries get mapped to host addresses aligned at 1G boundaries.
108      * For old machine types, use whatever split we used historically to avoid
109      * breaking migration.
110      */
111     if (machine->ram_size >= 0xe0000000) {
112         lowmem = gigabyte_align ? 0xc0000000 : 0xe0000000;
113     } else {
114         lowmem = 0xe0000000;
115     }
116 
117     /* Handle the machine opt max-ram-below-4g.  It is basically doing
118      * min(qemu limit, user limit).
119      */
120     if (lowmem > pc_machine->max_ram_below_4g) {
121         lowmem = pc_machine->max_ram_below_4g;
122         if (machine->ram_size - lowmem > lowmem &&
123             lowmem & ((1ULL << 30) - 1)) {
124             error_report("Warning: Large machine and max_ram_below_4g(%"PRIu64
125                          ") not a multiple of 1G; possible bad performance.",
126                          pc_machine->max_ram_below_4g);
127         }
128     }
129 
130     if (machine->ram_size >= lowmem) {
131         above_4g_mem_size = machine->ram_size - lowmem;
132         below_4g_mem_size = lowmem;
133     } else {
134         above_4g_mem_size = 0;
135         below_4g_mem_size = machine->ram_size;
136     }
137 
138     if (xen_enabled() && xen_hvm_init(&below_4g_mem_size, &above_4g_mem_size,
139                                       &ram_memory) != 0) {
140         fprintf(stderr, "xen hardware virtual machine initialisation failed\n");
141         exit(1);
142     }
143 
144     icc_bridge = qdev_create(NULL, TYPE_ICC_BRIDGE);
145     object_property_add_child(qdev_get_machine(), "icc-bridge",
146                               OBJECT(icc_bridge), NULL);
147 
148     pc_cpus_init(machine->cpu_model, icc_bridge);
149 
150     if (kvm_enabled() && kvmclock_enabled) {
151         kvmclock_create();
152     }
153 
154     if (pci_enabled) {
155         pci_memory = g_new(MemoryRegion, 1);
156         memory_region_init(pci_memory, NULL, "pci", UINT64_MAX);
157         rom_memory = pci_memory;
158     } else {
159         pci_memory = NULL;
160         rom_memory = system_memory;
161     }
162 
163     guest_info = pc_guest_info_init(below_4g_mem_size, above_4g_mem_size);
164 
165     guest_info->has_acpi_build = has_acpi_build;
166     guest_info->legacy_acpi_table_size = legacy_acpi_table_size;
167 
168     guest_info->isapc_ram_fw = !pci_enabled;
169     guest_info->has_reserved_memory = has_reserved_memory;
170     guest_info->rsdp_in_ram = rsdp_in_ram;
171 
172     if (smbios_defaults) {
173         MachineClass *mc = MACHINE_GET_CLASS(machine);
174         /* These values are guest ABI, do not change */
175         smbios_set_defaults("QEMU", "Standard PC (i440FX + PIIX, 1996)",
176                             mc->name, smbios_legacy_mode, smbios_uuid_encoded);
177     }
178 
179     /* allocate ram and load rom/bios */
180     if (!xen_enabled()) {
181         pc_memory_init(machine, system_memory,
182                        below_4g_mem_size, above_4g_mem_size,
183                        rom_memory, &ram_memory, guest_info);
184     } else if (machine->kernel_filename != NULL) {
185         /* For xen HVM direct kernel boot, load linux here */
186         xen_load_linux(machine->kernel_filename,
187                        machine->kernel_cmdline,
188                        machine->initrd_filename,
189                        below_4g_mem_size,
190                        guest_info);
191     }
192 
193     gsi_state = g_malloc0(sizeof(*gsi_state));
194     if (kvm_irqchip_in_kernel()) {
195         kvm_pc_setup_irq_routing(pci_enabled);
196         gsi = qemu_allocate_irqs(kvm_pc_gsi_handler, gsi_state,
197                                  GSI_NUM_PINS);
198     } else {
199         gsi = qemu_allocate_irqs(gsi_handler, gsi_state, GSI_NUM_PINS);
200     }
201 
202     if (pci_enabled) {
203         pci_bus = i440fx_init(&i440fx_state, &piix3_devfn, &isa_bus, gsi,
204                               system_memory, system_io, machine->ram_size,
205                               below_4g_mem_size,
206                               above_4g_mem_size,
207                               pci_memory, ram_memory);
208     } else {
209         pci_bus = NULL;
210         i440fx_state = NULL;
211         isa_bus = isa_bus_new(NULL, get_system_memory(), system_io);
212         no_hpet = 1;
213     }
214     isa_bus_irqs(isa_bus, gsi);
215 
216     if (kvm_irqchip_in_kernel()) {
217         i8259 = kvm_i8259_init(isa_bus);
218     } else if (xen_enabled()) {
219         i8259 = xen_interrupt_controller_init();
220     } else {
221         i8259 = i8259_init(isa_bus, pc_allocate_cpu_irq());
222     }
223 
224     for (i = 0; i < ISA_NUM_IRQS; i++) {
225         gsi_state->i8259_irq[i] = i8259[i];
226     }
227     g_free(i8259);
228     if (pci_enabled) {
229         ioapic_init_gsi(gsi_state, "i440fx");
230     }
231     qdev_init_nofail(icc_bridge);
232 
233     pc_register_ferr_irq(gsi[13]);
234 
235     pc_vga_init(isa_bus, pci_enabled ? pci_bus : NULL);
236 
237     assert(pc_machine->vmport != ON_OFF_AUTO_MAX);
238     if (pc_machine->vmport == ON_OFF_AUTO_AUTO) {
239         pc_machine->vmport = xen_enabled() ? ON_OFF_AUTO_OFF : ON_OFF_AUTO_ON;
240     }
241 
242     /* init basic PC hardware */
243     pc_basic_device_init(isa_bus, gsi, &rtc_state, true, &floppy,
244                          (pc_machine->vmport != ON_OFF_AUTO_ON), 0x4);
245 
246     pc_nic_init(isa_bus, pci_bus);
247 
248     ide_drive_get(hd, ARRAY_SIZE(hd));
249     if (pci_enabled) {
250         PCIDevice *dev;
251         if (xen_enabled()) {
252             dev = pci_piix3_xen_ide_init(pci_bus, hd, piix3_devfn + 1);
253         } else {
254             dev = pci_piix3_ide_init(pci_bus, hd, piix3_devfn + 1);
255         }
256         idebus[0] = qdev_get_child_bus(&dev->qdev, "ide.0");
257         idebus[1] = qdev_get_child_bus(&dev->qdev, "ide.1");
258     } else {
259         for(i = 0; i < MAX_IDE_BUS; i++) {
260             ISADevice *dev;
261             char busname[] = "ide.0";
262             dev = isa_ide_init(isa_bus, ide_iobase[i], ide_iobase2[i],
263                                ide_irq[i],
264                                hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]);
265             /*
266              * The ide bus name is ide.0 for the first bus and ide.1 for the
267              * second one.
268              */
269             busname[4] = '0' + i;
270             idebus[i] = qdev_get_child_bus(DEVICE(dev), busname);
271         }
272     }
273 
274     pc_cmos_init(below_4g_mem_size, above_4g_mem_size, machine->boot_order,
275                  machine, floppy, idebus[0], idebus[1], rtc_state);
276 
277     if (pci_enabled && usb_enabled()) {
278         pci_create_simple(pci_bus, piix3_devfn + 2, "piix3-usb-uhci");
279     }
280 
281     if (pci_enabled && acpi_enabled) {
282         DeviceState *piix4_pm;
283         I2CBus *smbus;
284 
285         smi_irq = qemu_allocate_irq(pc_acpi_smi_interrupt, first_cpu, 0);
286         /* TODO: Populate SPD eeprom data.  */
287         smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100,
288                               gsi[9], smi_irq,
289                               kvm_enabled(), &piix4_pm);
290         smbus_eeprom_init(smbus, 8, NULL, 0);
291 
292         object_property_add_link(OBJECT(machine), PC_MACHINE_ACPI_DEVICE_PROP,
293                                  TYPE_HOTPLUG_HANDLER,
294                                  (Object **)&pc_machine->acpi_dev,
295                                  object_property_allow_set_link,
296                                  OBJ_PROP_LINK_UNREF_ON_RELEASE, &error_abort);
297         object_property_set_link(OBJECT(machine), OBJECT(piix4_pm),
298                                  PC_MACHINE_ACPI_DEVICE_PROP, &error_abort);
299     }
300 
301     if (pci_enabled) {
302         pc_pci_device_init(pci_bus);
303     }
304 }
305 
306 static void pc_compat_2_3(MachineState *machine)
307 {
308 }
309 
310 static void pc_compat_2_2(MachineState *machine)
311 {
312     pc_compat_2_3(machine);
313     rsdp_in_ram = false;
314     x86_cpu_compat_set_features("kvm64", FEAT_1_EDX, 0, CPUID_VME);
315     x86_cpu_compat_set_features("kvm32", FEAT_1_EDX, 0, CPUID_VME);
316     x86_cpu_compat_set_features("Conroe", FEAT_1_EDX, 0, CPUID_VME);
317     x86_cpu_compat_set_features("Penryn", FEAT_1_EDX, 0, CPUID_VME);
318     x86_cpu_compat_set_features("Nehalem", FEAT_1_EDX, 0, CPUID_VME);
319     x86_cpu_compat_set_features("Westmere", FEAT_1_EDX, 0, CPUID_VME);
320     x86_cpu_compat_set_features("SandyBridge", FEAT_1_EDX, 0, CPUID_VME);
321     x86_cpu_compat_set_features("Haswell", FEAT_1_EDX, 0, CPUID_VME);
322     x86_cpu_compat_set_features("Broadwell", FEAT_1_EDX, 0, CPUID_VME);
323     x86_cpu_compat_set_features("Opteron_G1", FEAT_1_EDX, 0, CPUID_VME);
324     x86_cpu_compat_set_features("Opteron_G2", FEAT_1_EDX, 0, CPUID_VME);
325     x86_cpu_compat_set_features("Opteron_G3", FEAT_1_EDX, 0, CPUID_VME);
326     x86_cpu_compat_set_features("Opteron_G4", FEAT_1_EDX, 0, CPUID_VME);
327     x86_cpu_compat_set_features("Opteron_G5", FEAT_1_EDX, 0, CPUID_VME);
328     x86_cpu_compat_set_features("Haswell", FEAT_1_ECX, 0, CPUID_EXT_F16C);
329     x86_cpu_compat_set_features("Haswell", FEAT_1_ECX, 0, CPUID_EXT_RDRAND);
330     x86_cpu_compat_set_features("Broadwell", FEAT_1_ECX, 0, CPUID_EXT_F16C);
331     x86_cpu_compat_set_features("Broadwell", FEAT_1_ECX, 0, CPUID_EXT_RDRAND);
332     machine->suppress_vmdesc = true;
333 }
334 
335 static void pc_compat_2_1(MachineState *machine)
336 {
337     PCMachineState *pcms = PC_MACHINE(machine);
338 
339     pc_compat_2_2(machine);
340     smbios_uuid_encoded = false;
341     x86_cpu_compat_set_features("coreduo", FEAT_1_ECX, CPUID_EXT_VMX, 0);
342     x86_cpu_compat_set_features("core2duo", FEAT_1_ECX, CPUID_EXT_VMX, 0);
343     x86_cpu_compat_kvm_no_autodisable(FEAT_8000_0001_ECX, CPUID_EXT3_SVM);
344     pcms->enforce_aligned_dimm = false;
345 }
346 
347 static void pc_compat_2_0(MachineState *machine)
348 {
349     pc_compat_2_1(machine);
350     /* This value depends on the actual DSDT and SSDT compiled into
351      * the source QEMU; unfortunately it depends on the binary and
352      * not on the machine type, so we cannot make pc-i440fx-1.7 work on
353      * both QEMU 1.7 and QEMU 2.0.
354      *
355      * Large variations cause migration to fail for more than one
356      * consecutive value of the "-smp" maxcpus option.
357      *
358      * For small variations of the kind caused by different iasl versions,
359      * the 4k rounding usually leaves slack.  However, there could be still
360      * one or two values that break.  For QEMU 1.7 and QEMU 2.0 the
361      * slack is only ~10 bytes before one "-smp maxcpus" value breaks!
362      *
363      * 6652 is valid for QEMU 2.0, the right value for pc-i440fx-1.7 on
364      * QEMU 1.7 it is 6414.  For RHEL/CentOS 7.0 it is 6418.
365      */
366     legacy_acpi_table_size = 6652;
367     smbios_legacy_mode = true;
368     has_reserved_memory = false;
369     pc_set_legacy_acpi_data_size();
370 }
371 
372 static void pc_compat_1_7(MachineState *machine)
373 {
374     pc_compat_2_0(machine);
375     smbios_defaults = false;
376     gigabyte_align = false;
377     option_rom_has_mr = true;
378     legacy_acpi_table_size = 6414;
379     x86_cpu_compat_kvm_no_autoenable(FEAT_1_ECX, CPUID_EXT_X2APIC);
380 }
381 
382 static void pc_compat_1_6(MachineState *machine)
383 {
384     pc_compat_1_7(machine);
385     rom_file_has_mr = false;
386     has_acpi_build = false;
387 }
388 
389 static void pc_compat_1_5(MachineState *machine)
390 {
391     pc_compat_1_6(machine);
392 }
393 
394 static void pc_compat_1_4(MachineState *machine)
395 {
396     pc_compat_1_5(machine);
397     x86_cpu_compat_set_features("n270", FEAT_1_ECX, 0, CPUID_EXT_MOVBE);
398     x86_cpu_compat_set_features("Westmere", FEAT_1_ECX, 0, CPUID_EXT_PCLMULQDQ);
399 }
400 
401 static void pc_compat_1_3(MachineState *machine)
402 {
403     pc_compat_1_4(machine);
404     enable_compat_apic_id_mode();
405 }
406 
407 /* PC compat function for pc-0.14 to pc-1.2 */
408 static void pc_compat_1_2(MachineState *machine)
409 {
410     pc_compat_1_3(machine);
411     x86_cpu_compat_kvm_no_autoenable(FEAT_KVM, 1 << KVM_FEATURE_PV_EOI);
412 }
413 
414 /* PC compat function for pc-0.10 to pc-0.13 */
415 static void pc_compat_0_13(MachineState *machine)
416 {
417     pc_compat_1_2(machine);
418     kvmclock_enabled = false;
419 }
420 
421 static void pc_init_isa(MachineState *machine)
422 {
423     pci_enabled = false;
424     has_acpi_build = false;
425     smbios_defaults = false;
426     gigabyte_align = false;
427     smbios_legacy_mode = true;
428     has_reserved_memory = false;
429     option_rom_has_mr = true;
430     rom_file_has_mr = false;
431     if (!machine->cpu_model) {
432         machine->cpu_model = "486";
433     }
434     x86_cpu_compat_kvm_no_autoenable(FEAT_KVM, 1 << KVM_FEATURE_PV_EOI);
435     enable_compat_apic_id_mode();
436     pc_init1(machine);
437 }
438 
439 #ifdef CONFIG_XEN
440 static void pc_xen_hvm_init(MachineState *machine)
441 {
442     PCIBus *bus;
443 
444     pc_init1(machine);
445 
446     bus = pci_find_primary_bus();
447     if (bus != NULL) {
448         pci_create_simple(bus, -1, "xen-platform");
449     }
450 }
451 #endif
452 
453 #define DEFINE_I440FX_MACHINE(suffix, name, compatfn, optionfn) \
454     static void pc_init_##suffix(MachineState *machine) \
455     { \
456         void (*compat)(MachineState *m) = (compatfn); \
457         if (compat) { \
458             compat(machine); \
459         } \
460         pc_init1(machine); \
461     } \
462     DEFINE_PC_MACHINE(suffix, name, pc_init_##suffix, optionfn)
463 
464 static void pc_i440fx_machine_options(MachineClass *m)
465 {
466     pc_default_machine_options(m);
467     m->family = "pc_piix";
468     m->desc = "Standard PC (i440FX + PIIX, 1996)";
469     m->hot_add_cpu = pc_hot_add_cpu;
470 }
471 
472 static void pc_i440fx_2_4_machine_options(MachineClass *m)
473 {
474     pc_i440fx_machine_options(m);
475     m->default_machine_opts = "firmware=bios-256k.bin";
476     m->default_display = "std";
477     m->alias = "pc";
478     m->is_default = 1;
479 }
480 
481 DEFINE_I440FX_MACHINE(v2_4, "pc-i440fx-2.4", NULL,
482                       pc_i440fx_2_4_machine_options)
483 
484 
485 static void pc_i440fx_2_3_machine_options(MachineClass *m)
486 {
487     pc_i440fx_machine_options(m);
488     m->alias = NULL;
489     m->is_default = 0;
490     SET_MACHINE_COMPAT(m, PC_COMPAT_2_3);
491 }
492 
493 DEFINE_I440FX_MACHINE(v2_3, "pc-i440fx-2.3", pc_compat_2_3,
494                       pc_i440fx_2_3_machine_options);
495 
496 
497 static void pc_i440fx_2_2_machine_options(MachineClass *m)
498 {
499     pc_i440fx_2_3_machine_options(m);
500     SET_MACHINE_COMPAT(m, PC_COMPAT_2_2);
501 }
502 
503 DEFINE_I440FX_MACHINE(v2_2, "pc-i440fx-2.2", pc_compat_2_2,
504                       pc_i440fx_2_2_machine_options);
505 
506 
507 static void pc_i440fx_2_1_machine_options(MachineClass *m)
508 {
509     pc_i440fx_2_2_machine_options(m);
510     m->default_display = NULL;
511     SET_MACHINE_COMPAT(m, PC_COMPAT_2_1);
512 }
513 
514 DEFINE_I440FX_MACHINE(v2_1, "pc-i440fx-2.1", pc_compat_2_1,
515                       pc_i440fx_2_1_machine_options);
516 
517 
518 
519 static void pc_i440fx_2_0_machine_options(MachineClass *m)
520 {
521     pc_i440fx_2_1_machine_options(m);
522     SET_MACHINE_COMPAT(m, PC_COMPAT_2_0);
523 }
524 
525 DEFINE_I440FX_MACHINE(v2_0, "pc-i440fx-2.0", pc_compat_2_0,
526                       pc_i440fx_2_0_machine_options);
527 
528 
529 static void pc_i440fx_1_7_machine_options(MachineClass *m)
530 {
531     pc_i440fx_2_0_machine_options(m);
532     m->default_machine_opts = NULL;
533     SET_MACHINE_COMPAT(m, PC_COMPAT_1_7);
534 }
535 
536 DEFINE_I440FX_MACHINE(v1_7, "pc-i440fx-1.7", pc_compat_1_7,
537                       pc_i440fx_1_7_machine_options);
538 
539 
540 static void pc_i440fx_1_6_machine_options(MachineClass *m)
541 {
542     pc_i440fx_1_7_machine_options(m);
543     SET_MACHINE_COMPAT(m, PC_COMPAT_1_6);
544 }
545 
546 DEFINE_I440FX_MACHINE(v1_6, "pc-i440fx-1.6", pc_compat_1_6,
547                       pc_i440fx_1_6_machine_options);
548 
549 
550 static void pc_i440fx_1_5_machine_options(MachineClass *m)
551 {
552     pc_i440fx_1_6_machine_options(m);
553     SET_MACHINE_COMPAT(m, PC_COMPAT_1_5);
554 }
555 
556 DEFINE_I440FX_MACHINE(v1_5, "pc-i440fx-1.5", pc_compat_1_5,
557                       pc_i440fx_1_5_machine_options);
558 
559 
560 static void pc_i440fx_1_4_machine_options(MachineClass *m)
561 {
562     pc_i440fx_1_5_machine_options(m);
563     m->hot_add_cpu = NULL;
564     SET_MACHINE_COMPAT(m, PC_COMPAT_1_4);
565 }
566 
567 DEFINE_I440FX_MACHINE(v1_4, "pc-i440fx-1.4", pc_compat_1_4,
568                       pc_i440fx_1_4_machine_options);
569 
570 
571 #define PC_COMPAT_1_3 \
572         PC_COMPAT_1_4 \
573         {\
574             .driver   = "usb-tablet",\
575             .property = "usb_version",\
576             .value    = stringify(1),\
577         },{\
578             .driver   = "virtio-net-pci",\
579             .property = "ctrl_mac_addr",\
580             .value    = "off",      \
581         },{ \
582             .driver   = "virtio-net-pci", \
583             .property = "mq", \
584             .value    = "off", \
585         }, {\
586             .driver   = "e1000",\
587             .property = "autonegotiation",\
588             .value    = "off",\
589         },
590 
591 
592 static void pc_i440fx_1_3_machine_options(MachineClass *m)
593 {
594     pc_i440fx_1_4_machine_options(m);
595     SET_MACHINE_COMPAT(m, PC_COMPAT_1_3);
596 }
597 
598 DEFINE_I440FX_MACHINE(v1_3, "pc-1.3", pc_compat_1_3,
599                       pc_i440fx_1_3_machine_options);
600 
601 
602 #define PC_COMPAT_1_2 \
603         PC_COMPAT_1_3 \
604         {\
605             .driver   = "nec-usb-xhci",\
606             .property = "msi",\
607             .value    = "off",\
608         },{\
609             .driver   = "nec-usb-xhci",\
610             .property = "msix",\
611             .value    = "off",\
612         },{\
613             .driver   = "ivshmem",\
614             .property = "use64",\
615             .value    = "0",\
616         },{\
617             .driver   = "qxl",\
618             .property = "revision",\
619             .value    = stringify(3),\
620         },{\
621             .driver   = "qxl-vga",\
622             .property = "revision",\
623             .value    = stringify(3),\
624         },{\
625             .driver   = "VGA",\
626             .property = "mmio",\
627             .value    = "off",\
628         },
629 
630 static void pc_i440fx_1_2_machine_options(MachineClass *m)
631 {
632     pc_i440fx_1_3_machine_options(m);
633     SET_MACHINE_COMPAT(m, PC_COMPAT_1_2);
634 }
635 
636 DEFINE_I440FX_MACHINE(v1_2, "pc-1.2", pc_compat_1_2,
637                       pc_i440fx_1_2_machine_options);
638 
639 
640 #define PC_COMPAT_1_1 \
641         PC_COMPAT_1_2 \
642         {\
643             .driver   = "virtio-scsi-pci",\
644             .property = "hotplug",\
645             .value    = "off",\
646         },{\
647             .driver   = "virtio-scsi-pci",\
648             .property = "param_change",\
649             .value    = "off",\
650         },{\
651             .driver   = "VGA",\
652             .property = "vgamem_mb",\
653             .value    = stringify(8),\
654         },{\
655             .driver   = "vmware-svga",\
656             .property = "vgamem_mb",\
657             .value    = stringify(8),\
658         },{\
659             .driver   = "qxl-vga",\
660             .property = "vgamem_mb",\
661             .value    = stringify(8),\
662         },{\
663             .driver   = "qxl",\
664             .property = "vgamem_mb",\
665             .value    = stringify(8),\
666         },{\
667             .driver   = "virtio-blk-pci",\
668             .property = "config-wce",\
669             .value    = "off",\
670         },
671 
672 static void pc_i440fx_1_1_machine_options(MachineClass *m)
673 {
674     pc_i440fx_1_2_machine_options(m);
675     SET_MACHINE_COMPAT(m, PC_COMPAT_1_1);
676 }
677 
678 DEFINE_I440FX_MACHINE(v1_1, "pc-1.1", pc_compat_1_2,
679                       pc_i440fx_1_1_machine_options);
680 
681 
682 #define PC_COMPAT_1_0 \
683         PC_COMPAT_1_1 \
684         {\
685             .driver   = TYPE_ISA_FDC,\
686             .property = "check_media_rate",\
687             .value    = "off",\
688         }, {\
689             .driver   = "virtio-balloon-pci",\
690             .property = "class",\
691             .value    = stringify(PCI_CLASS_MEMORY_RAM),\
692         },{\
693             .driver   = "apic-common",\
694             .property = "vapic",\
695             .value    = "off",\
696         },{\
697             .driver   = TYPE_USB_DEVICE,\
698             .property = "full-path",\
699             .value    = "no",\
700         },
701 
702 static void pc_i440fx_1_0_machine_options(MachineClass *m)
703 {
704     pc_i440fx_1_1_machine_options(m);
705     m->hw_version = "1.0";
706     SET_MACHINE_COMPAT(m, PC_COMPAT_1_0);
707 }
708 
709 DEFINE_I440FX_MACHINE(v1_0, "pc-1.0", pc_compat_1_2,
710                       pc_i440fx_1_0_machine_options);
711 
712 
713 #define PC_COMPAT_0_15 \
714         PC_COMPAT_1_0
715 
716 static void pc_i440fx_0_15_machine_options(MachineClass *m)
717 {
718     pc_i440fx_1_0_machine_options(m);
719     m->hw_version = "0.15";
720     SET_MACHINE_COMPAT(m, PC_COMPAT_0_15);
721 }
722 
723 DEFINE_I440FX_MACHINE(v0_15, "pc-0.15", pc_compat_1_2,
724                       pc_i440fx_0_15_machine_options);
725 
726 
727 #define PC_COMPAT_0_14 \
728         PC_COMPAT_0_15 \
729         {\
730             .driver   = "virtio-blk-pci",\
731             .property = "event_idx",\
732             .value    = "off",\
733         },{\
734             .driver   = "virtio-serial-pci",\
735             .property = "event_idx",\
736             .value    = "off",\
737         },{\
738             .driver   = "virtio-net-pci",\
739             .property = "event_idx",\
740             .value    = "off",\
741         },{\
742             .driver   = "virtio-balloon-pci",\
743             .property = "event_idx",\
744             .value    = "off",\
745         },{\
746             .driver   = "qxl",\
747             .property = "revision",\
748             .value    = stringify(2),\
749         },{\
750             .driver   = "qxl-vga",\
751             .property = "revision",\
752             .value    = stringify(2),\
753         },
754 
755 static void pc_i440fx_0_14_machine_options(MachineClass *m)
756 {
757     pc_i440fx_0_15_machine_options(m);
758     m->hw_version = "0.14";
759     SET_MACHINE_COMPAT(m, PC_COMPAT_0_14);
760 }
761 
762 DEFINE_I440FX_MACHINE(v0_14, "pc-0.14", pc_compat_1_2,
763                       pc_i440fx_0_14_machine_options);
764 
765 
766 #define PC_COMPAT_0_13 \
767         PC_COMPAT_0_14 \
768         {\
769             .driver   = TYPE_PCI_DEVICE,\
770             .property = "command_serr_enable",\
771             .value    = "off",\
772         },{\
773             .driver   = "AC97",\
774             .property = "use_broken_id",\
775             .value    = stringify(1),\
776         },{\
777             .driver   = "virtio-9p-pci",\
778             .property = "vectors",\
779             .value    = stringify(0),\
780         },{\
781             .driver   = "VGA",\
782             .property = "rombar",\
783             .value    = stringify(0),\
784         },{\
785             .driver   = "vmware-svga",\
786             .property = "rombar",\
787             .value    = stringify(0),\
788         },
789 
790 static void pc_i440fx_0_13_machine_options(MachineClass *m)
791 {
792     pc_i440fx_0_14_machine_options(m);
793     m->hw_version = "0.13";
794     SET_MACHINE_COMPAT(m, PC_COMPAT_0_13);
795 }
796 
797 DEFINE_I440FX_MACHINE(v0_13, "pc-0.13", pc_compat_0_13,
798                       pc_i440fx_0_13_machine_options);
799 
800 
801 #define PC_COMPAT_0_12 \
802         PC_COMPAT_0_13 \
803         {\
804             .driver   = "virtio-serial-pci",\
805             .property = "max_ports",\
806             .value    = stringify(1),\
807         },{\
808             .driver   = "virtio-serial-pci",\
809             .property = "vectors",\
810             .value    = stringify(0),\
811         },{\
812             .driver   = "usb-mouse",\
813             .property = "serial",\
814             .value    = "1",\
815         },{\
816             .driver   = "usb-tablet",\
817             .property = "serial",\
818             .value    = "1",\
819         },{\
820             .driver   = "usb-kbd",\
821             .property = "serial",\
822             .value    = "1",\
823         },
824 
825 static void pc_i440fx_0_12_machine_options(MachineClass *m)
826 {
827     pc_i440fx_0_13_machine_options(m);
828     m->hw_version = "0.12";
829     SET_MACHINE_COMPAT(m, PC_COMPAT_0_12);
830 }
831 
832 DEFINE_I440FX_MACHINE(v0_12, "pc-0.12", pc_compat_0_13,
833                       pc_i440fx_0_12_machine_options);
834 
835 
836 #define PC_COMPAT_0_11 \
837         PC_COMPAT_0_12 \
838         {\
839             .driver   = "virtio-blk-pci",\
840             .property = "vectors",\
841             .value    = stringify(0),\
842         },{\
843             .driver   = TYPE_PCI_DEVICE,\
844             .property = "rombar",\
845             .value    = stringify(0),\
846         },{\
847             .driver   = "ide-drive",\
848             .property = "ver",\
849             .value    = "0.11",\
850         },{\
851             .driver   = "scsi-disk",\
852             .property = "ver",\
853             .value    = "0.11",\
854         },
855 
856 static void pc_i440fx_0_11_machine_options(MachineClass *m)
857 {
858     pc_i440fx_0_12_machine_options(m);
859     m->hw_version = "0.11";
860     SET_MACHINE_COMPAT(m, PC_COMPAT_0_11);
861 }
862 
863 DEFINE_I440FX_MACHINE(v0_11, "pc-0.11", pc_compat_0_13,
864                       pc_i440fx_0_11_machine_options);
865 
866 
867 #define PC_COMPAT_0_10 \
868     PC_COMPAT_0_11 \
869     {\
870         .driver   = "virtio-blk-pci",\
871         .property = "class",\
872         .value    = stringify(PCI_CLASS_STORAGE_OTHER),\
873     },{\
874         .driver   = "virtio-serial-pci",\
875         .property = "class",\
876         .value    = stringify(PCI_CLASS_DISPLAY_OTHER),\
877     },{\
878         .driver   = "virtio-net-pci",\
879         .property = "vectors",\
880         .value    = stringify(0),\
881     },{\
882         .driver   = "ide-drive",\
883         .property = "ver",\
884         .value    = "0.10",\
885     },{\
886         .driver   = "scsi-disk",\
887         .property = "ver",\
888         .value    = "0.10",\
889     },
890 
891 static void pc_i440fx_0_10_machine_options(MachineClass *m)
892 {
893     pc_i440fx_0_11_machine_options(m);
894     m->hw_version = "0.10";
895     SET_MACHINE_COMPAT(m, PC_COMPAT_0_10);
896 }
897 
898 DEFINE_I440FX_MACHINE(v0_10, "pc-0.10", pc_compat_0_13,
899                       pc_i440fx_0_10_machine_options);
900 
901 
902 static void isapc_machine_options(MachineClass *m)
903 {
904     pc_common_machine_options(m);
905     m->desc = "ISA-only PC";
906     m->max_cpus = 1;
907 }
908 
909 DEFINE_PC_MACHINE(isapc, "isapc", pc_init_isa,
910                   isapc_machine_options);
911 
912 
913 #ifdef CONFIG_XEN
914 static void xenfv_machine_options(MachineClass *m)
915 {
916     pc_common_machine_options(m);
917     m->desc = "Xen Fully-virtualized PC";
918     m->max_cpus = HVM_MAX_VCPUS;
919     m->default_machine_opts = "accel=xen";
920     m->hot_add_cpu = pc_hot_add_cpu;
921 }
922 
923 DEFINE_PC_MACHINE(xenfv, "xenfv", pc_xen_hvm_init,
924                   xenfv_machine_options);
925 #endif
926