xref: /openbmc/qemu/hw/i386/pc_piix.c (revision 2700a976dba6b107365aa9af7fd927ffb3dd3b21)
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     FWCfgState *fw_cfg = NULL;
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         fw_cfg = 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         fw_cfg = 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(), fw_cfg, &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 }
310 
311 static void pc_compat_2_2(MachineState *machine)
312 {
313     pc_compat_2_3(machine);
314     rsdp_in_ram = false;
315     x86_cpu_compat_set_features("kvm64", FEAT_1_EDX, 0, CPUID_VME);
316     x86_cpu_compat_set_features("kvm32", FEAT_1_EDX, 0, CPUID_VME);
317     x86_cpu_compat_set_features("Conroe", FEAT_1_EDX, 0, CPUID_VME);
318     x86_cpu_compat_set_features("Penryn", FEAT_1_EDX, 0, CPUID_VME);
319     x86_cpu_compat_set_features("Nehalem", FEAT_1_EDX, 0, CPUID_VME);
320     x86_cpu_compat_set_features("Westmere", FEAT_1_EDX, 0, CPUID_VME);
321     x86_cpu_compat_set_features("SandyBridge", FEAT_1_EDX, 0, CPUID_VME);
322     x86_cpu_compat_set_features("Haswell", FEAT_1_EDX, 0, CPUID_VME);
323     x86_cpu_compat_set_features("Broadwell", FEAT_1_EDX, 0, CPUID_VME);
324     x86_cpu_compat_set_features("Opteron_G1", FEAT_1_EDX, 0, CPUID_VME);
325     x86_cpu_compat_set_features("Opteron_G2", FEAT_1_EDX, 0, CPUID_VME);
326     x86_cpu_compat_set_features("Opteron_G3", FEAT_1_EDX, 0, CPUID_VME);
327     x86_cpu_compat_set_features("Opteron_G4", FEAT_1_EDX, 0, CPUID_VME);
328     x86_cpu_compat_set_features("Opteron_G5", FEAT_1_EDX, 0, CPUID_VME);
329     x86_cpu_compat_set_features("Haswell", FEAT_1_ECX, 0, CPUID_EXT_F16C);
330     x86_cpu_compat_set_features("Haswell", FEAT_1_ECX, 0, CPUID_EXT_RDRAND);
331     x86_cpu_compat_set_features("Broadwell", FEAT_1_ECX, 0, CPUID_EXT_F16C);
332     x86_cpu_compat_set_features("Broadwell", FEAT_1_ECX, 0, CPUID_EXT_RDRAND);
333     machine->suppress_vmdesc = true;
334 }
335 
336 static void pc_compat_2_1(MachineState *machine)
337 {
338     PCMachineState *pcms = PC_MACHINE(machine);
339 
340     pc_compat_2_2(machine);
341     smbios_uuid_encoded = false;
342     x86_cpu_compat_set_features("coreduo", FEAT_1_ECX, CPUID_EXT_VMX, 0);
343     x86_cpu_compat_set_features("core2duo", FEAT_1_ECX, CPUID_EXT_VMX, 0);
344     x86_cpu_compat_kvm_no_autodisable(FEAT_8000_0001_ECX, CPUID_EXT3_SVM);
345     pcms->enforce_aligned_dimm = false;
346 }
347 
348 static void pc_compat_2_0(MachineState *machine)
349 {
350     pc_compat_2_1(machine);
351     /* This value depends on the actual DSDT and SSDT compiled into
352      * the source QEMU; unfortunately it depends on the binary and
353      * not on the machine type, so we cannot make pc-i440fx-1.7 work on
354      * both QEMU 1.7 and QEMU 2.0.
355      *
356      * Large variations cause migration to fail for more than one
357      * consecutive value of the "-smp" maxcpus option.
358      *
359      * For small variations of the kind caused by different iasl versions,
360      * the 4k rounding usually leaves slack.  However, there could be still
361      * one or two values that break.  For QEMU 1.7 and QEMU 2.0 the
362      * slack is only ~10 bytes before one "-smp maxcpus" value breaks!
363      *
364      * 6652 is valid for QEMU 2.0, the right value for pc-i440fx-1.7 on
365      * QEMU 1.7 it is 6414.  For RHEL/CentOS 7.0 it is 6418.
366      */
367     legacy_acpi_table_size = 6652;
368     smbios_legacy_mode = true;
369     has_reserved_memory = false;
370     pc_set_legacy_acpi_data_size();
371 }
372 
373 static void pc_compat_1_7(MachineState *machine)
374 {
375     pc_compat_2_0(machine);
376     smbios_defaults = false;
377     gigabyte_align = false;
378     option_rom_has_mr = true;
379     legacy_acpi_table_size = 6414;
380     x86_cpu_compat_kvm_no_autoenable(FEAT_1_ECX, CPUID_EXT_X2APIC);
381 }
382 
383 static void pc_compat_1_6(MachineState *machine)
384 {
385     pc_compat_1_7(machine);
386     rom_file_has_mr = false;
387     has_acpi_build = false;
388 }
389 
390 static void pc_compat_1_5(MachineState *machine)
391 {
392     pc_compat_1_6(machine);
393 }
394 
395 static void pc_compat_1_4(MachineState *machine)
396 {
397     pc_compat_1_5(machine);
398     x86_cpu_compat_set_features("n270", FEAT_1_ECX, 0, CPUID_EXT_MOVBE);
399     x86_cpu_compat_set_features("Westmere", FEAT_1_ECX, 0, CPUID_EXT_PCLMULQDQ);
400 }
401 
402 static void pc_compat_1_3(MachineState *machine)
403 {
404     pc_compat_1_4(machine);
405     enable_compat_apic_id_mode();
406 }
407 
408 /* PC compat function for pc-0.14 to pc-1.2 */
409 static void pc_compat_1_2(MachineState *machine)
410 {
411     pc_compat_1_3(machine);
412     x86_cpu_compat_kvm_no_autoenable(FEAT_KVM, 1 << KVM_FEATURE_PV_EOI);
413 }
414 
415 /* PC compat function for pc-0.10 to pc-0.13 */
416 static void pc_compat_0_13(MachineState *machine)
417 {
418     pc_compat_1_2(machine);
419     kvmclock_enabled = false;
420 }
421 
422 static void pc_init_isa(MachineState *machine)
423 {
424     pci_enabled = false;
425     has_acpi_build = false;
426     smbios_defaults = false;
427     gigabyte_align = false;
428     smbios_legacy_mode = true;
429     has_reserved_memory = false;
430     option_rom_has_mr = true;
431     rom_file_has_mr = false;
432     if (!machine->cpu_model) {
433         machine->cpu_model = "486";
434     }
435     x86_cpu_compat_kvm_no_autoenable(FEAT_KVM, 1 << KVM_FEATURE_PV_EOI);
436     enable_compat_apic_id_mode();
437     pc_init1(machine);
438 }
439 
440 #ifdef CONFIG_XEN
441 static void pc_xen_hvm_init(MachineState *machine)
442 {
443     PCIBus *bus;
444 
445     pc_init1(machine);
446 
447     bus = pci_find_primary_bus();
448     if (bus != NULL) {
449         pci_create_simple(bus, -1, "xen-platform");
450     }
451 }
452 #endif
453 
454 #define DEFINE_I440FX_MACHINE(suffix, name, compatfn, optionfn) \
455     static void pc_init_##suffix(MachineState *machine) \
456     { \
457         void (*compat)(MachineState *m) = (compatfn); \
458         if (compat) { \
459             compat(machine); \
460         } \
461         pc_init1(machine); \
462     } \
463     DEFINE_PC_MACHINE(suffix, name, pc_init_##suffix, optionfn)
464 
465 static void pc_i440fx_machine_options(MachineClass *m)
466 {
467     pc_default_machine_options(m);
468     m->family = "pc_piix";
469     m->desc = "Standard PC (i440FX + PIIX, 1996)";
470     m->hot_add_cpu = pc_hot_add_cpu;
471 }
472 
473 static void pc_i440fx_2_4_machine_options(MachineClass *m)
474 {
475     pc_i440fx_machine_options(m);
476     m->default_machine_opts = "firmware=bios-256k.bin";
477     m->default_display = "std";
478     m->alias = "pc";
479     m->is_default = 1;
480 }
481 
482 DEFINE_I440FX_MACHINE(v2_4, "pc-i440fx-2.4", NULL,
483                       pc_i440fx_2_4_machine_options)
484 
485 
486 static void pc_i440fx_2_3_machine_options(MachineClass *m)
487 {
488     pc_i440fx_machine_options(m);
489     m->alias = NULL;
490     m->is_default = 0;
491     SET_MACHINE_COMPAT(m, PC_COMPAT_2_3);
492 }
493 
494 DEFINE_I440FX_MACHINE(v2_3, "pc-i440fx-2.3", pc_compat_2_3,
495                       pc_i440fx_2_3_machine_options);
496 
497 
498 static void pc_i440fx_2_2_machine_options(MachineClass *m)
499 {
500     pc_i440fx_2_3_machine_options(m);
501     SET_MACHINE_COMPAT(m, PC_COMPAT_2_2);
502 }
503 
504 DEFINE_I440FX_MACHINE(v2_2, "pc-i440fx-2.2", pc_compat_2_2,
505                       pc_i440fx_2_2_machine_options);
506 
507 
508 static void pc_i440fx_2_1_machine_options(MachineClass *m)
509 {
510     pc_i440fx_2_2_machine_options(m);
511     m->default_display = NULL;
512     SET_MACHINE_COMPAT(m, PC_COMPAT_2_1);
513 }
514 
515 DEFINE_I440FX_MACHINE(v2_1, "pc-i440fx-2.1", pc_compat_2_1,
516                       pc_i440fx_2_1_machine_options);
517 
518 
519 
520 static void pc_i440fx_2_0_machine_options(MachineClass *m)
521 {
522     pc_i440fx_2_1_machine_options(m);
523     SET_MACHINE_COMPAT(m, PC_COMPAT_2_0);
524 }
525 
526 DEFINE_I440FX_MACHINE(v2_0, "pc-i440fx-2.0", pc_compat_2_0,
527                       pc_i440fx_2_0_machine_options);
528 
529 
530 static void pc_i440fx_1_7_machine_options(MachineClass *m)
531 {
532     pc_i440fx_2_0_machine_options(m);
533     m->default_machine_opts = NULL;
534     SET_MACHINE_COMPAT(m, PC_COMPAT_1_7);
535 }
536 
537 DEFINE_I440FX_MACHINE(v1_7, "pc-i440fx-1.7", pc_compat_1_7,
538                       pc_i440fx_1_7_machine_options);
539 
540 
541 static void pc_i440fx_1_6_machine_options(MachineClass *m)
542 {
543     pc_i440fx_1_7_machine_options(m);
544     SET_MACHINE_COMPAT(m, PC_COMPAT_1_6);
545 }
546 
547 DEFINE_I440FX_MACHINE(v1_6, "pc-i440fx-1.6", pc_compat_1_6,
548                       pc_i440fx_1_6_machine_options);
549 
550 
551 static void pc_i440fx_1_5_machine_options(MachineClass *m)
552 {
553     pc_i440fx_1_6_machine_options(m);
554     SET_MACHINE_COMPAT(m, PC_COMPAT_1_5);
555 }
556 
557 DEFINE_I440FX_MACHINE(v1_5, "pc-i440fx-1.5", pc_compat_1_5,
558                       pc_i440fx_1_5_machine_options);
559 
560 
561 static void pc_i440fx_1_4_machine_options(MachineClass *m)
562 {
563     pc_i440fx_1_5_machine_options(m);
564     m->hot_add_cpu = NULL;
565     SET_MACHINE_COMPAT(m, PC_COMPAT_1_4);
566 }
567 
568 DEFINE_I440FX_MACHINE(v1_4, "pc-i440fx-1.4", pc_compat_1_4,
569                       pc_i440fx_1_4_machine_options);
570 
571 
572 #define PC_COMPAT_1_3 \
573         PC_COMPAT_1_4 \
574         {\
575             .driver   = "usb-tablet",\
576             .property = "usb_version",\
577             .value    = stringify(1),\
578         },{\
579             .driver   = "virtio-net-pci",\
580             .property = "ctrl_mac_addr",\
581             .value    = "off",      \
582         },{ \
583             .driver   = "virtio-net-pci", \
584             .property = "mq", \
585             .value    = "off", \
586         }, {\
587             .driver   = "e1000",\
588             .property = "autonegotiation",\
589             .value    = "off",\
590         },
591 
592 
593 static void pc_i440fx_1_3_machine_options(MachineClass *m)
594 {
595     pc_i440fx_1_4_machine_options(m);
596     SET_MACHINE_COMPAT(m, PC_COMPAT_1_3);
597 }
598 
599 DEFINE_I440FX_MACHINE(v1_3, "pc-1.3", pc_compat_1_3,
600                       pc_i440fx_1_3_machine_options);
601 
602 
603 #define PC_COMPAT_1_2 \
604         PC_COMPAT_1_3 \
605         {\
606             .driver   = "nec-usb-xhci",\
607             .property = "msi",\
608             .value    = "off",\
609         },{\
610             .driver   = "nec-usb-xhci",\
611             .property = "msix",\
612             .value    = "off",\
613         },{\
614             .driver   = "ivshmem",\
615             .property = "use64",\
616             .value    = "0",\
617         },{\
618             .driver   = "qxl",\
619             .property = "revision",\
620             .value    = stringify(3),\
621         },{\
622             .driver   = "qxl-vga",\
623             .property = "revision",\
624             .value    = stringify(3),\
625         },{\
626             .driver   = "VGA",\
627             .property = "mmio",\
628             .value    = "off",\
629         },
630 
631 static void pc_i440fx_1_2_machine_options(MachineClass *m)
632 {
633     pc_i440fx_1_3_machine_options(m);
634     SET_MACHINE_COMPAT(m, PC_COMPAT_1_2);
635 }
636 
637 DEFINE_I440FX_MACHINE(v1_2, "pc-1.2", pc_compat_1_2,
638                       pc_i440fx_1_2_machine_options);
639 
640 
641 #define PC_COMPAT_1_1 \
642         PC_COMPAT_1_2 \
643         {\
644             .driver   = "virtio-scsi-pci",\
645             .property = "hotplug",\
646             .value    = "off",\
647         },{\
648             .driver   = "virtio-scsi-pci",\
649             .property = "param_change",\
650             .value    = "off",\
651         },{\
652             .driver   = "VGA",\
653             .property = "vgamem_mb",\
654             .value    = stringify(8),\
655         },{\
656             .driver   = "vmware-svga",\
657             .property = "vgamem_mb",\
658             .value    = stringify(8),\
659         },{\
660             .driver   = "qxl-vga",\
661             .property = "vgamem_mb",\
662             .value    = stringify(8),\
663         },{\
664             .driver   = "qxl",\
665             .property = "vgamem_mb",\
666             .value    = stringify(8),\
667         },{\
668             .driver   = "virtio-blk-pci",\
669             .property = "config-wce",\
670             .value    = "off",\
671         },
672 
673 static void pc_i440fx_1_1_machine_options(MachineClass *m)
674 {
675     pc_i440fx_1_2_machine_options(m);
676     SET_MACHINE_COMPAT(m, PC_COMPAT_1_1);
677 }
678 
679 DEFINE_I440FX_MACHINE(v1_1, "pc-1.1", pc_compat_1_2,
680                       pc_i440fx_1_1_machine_options);
681 
682 
683 #define PC_COMPAT_1_0 \
684         PC_COMPAT_1_1 \
685         {\
686             .driver   = TYPE_ISA_FDC,\
687             .property = "check_media_rate",\
688             .value    = "off",\
689         }, {\
690             .driver   = "virtio-balloon-pci",\
691             .property = "class",\
692             .value    = stringify(PCI_CLASS_MEMORY_RAM),\
693         },{\
694             .driver   = "apic-common",\
695             .property = "vapic",\
696             .value    = "off",\
697         },{\
698             .driver   = TYPE_USB_DEVICE,\
699             .property = "full-path",\
700             .value    = "no",\
701         },
702 
703 static void pc_i440fx_1_0_machine_options(MachineClass *m)
704 {
705     pc_i440fx_1_1_machine_options(m);
706     m->hw_version = "1.0";
707     SET_MACHINE_COMPAT(m, PC_COMPAT_1_0);
708 }
709 
710 DEFINE_I440FX_MACHINE(v1_0, "pc-1.0", pc_compat_1_2,
711                       pc_i440fx_1_0_machine_options);
712 
713 
714 #define PC_COMPAT_0_15 \
715         PC_COMPAT_1_0
716 
717 static void pc_i440fx_0_15_machine_options(MachineClass *m)
718 {
719     pc_i440fx_1_0_machine_options(m);
720     m->hw_version = "0.15";
721     SET_MACHINE_COMPAT(m, PC_COMPAT_0_15);
722 }
723 
724 DEFINE_I440FX_MACHINE(v0_15, "pc-0.15", pc_compat_1_2,
725                       pc_i440fx_0_15_machine_options);
726 
727 
728 #define PC_COMPAT_0_14 \
729         PC_COMPAT_0_15 \
730         {\
731             .driver   = "virtio-blk-pci",\
732             .property = "event_idx",\
733             .value    = "off",\
734         },{\
735             .driver   = "virtio-serial-pci",\
736             .property = "event_idx",\
737             .value    = "off",\
738         },{\
739             .driver   = "virtio-net-pci",\
740             .property = "event_idx",\
741             .value    = "off",\
742         },{\
743             .driver   = "virtio-balloon-pci",\
744             .property = "event_idx",\
745             .value    = "off",\
746         },{\
747             .driver   = "qxl",\
748             .property = "revision",\
749             .value    = stringify(2),\
750         },{\
751             .driver   = "qxl-vga",\
752             .property = "revision",\
753             .value    = stringify(2),\
754         },
755 
756 static void pc_i440fx_0_14_machine_options(MachineClass *m)
757 {
758     pc_i440fx_0_15_machine_options(m);
759     m->hw_version = "0.14";
760     SET_MACHINE_COMPAT(m, PC_COMPAT_0_14);
761 }
762 
763 DEFINE_I440FX_MACHINE(v0_14, "pc-0.14", pc_compat_1_2,
764                       pc_i440fx_0_14_machine_options);
765 
766 
767 #define PC_COMPAT_0_13 \
768         PC_COMPAT_0_14 \
769         {\
770             .driver   = TYPE_PCI_DEVICE,\
771             .property = "command_serr_enable",\
772             .value    = "off",\
773         },{\
774             .driver   = "AC97",\
775             .property = "use_broken_id",\
776             .value    = stringify(1),\
777         },{\
778             .driver   = "virtio-9p-pci",\
779             .property = "vectors",\
780             .value    = stringify(0),\
781         },{\
782             .driver   = "VGA",\
783             .property = "rombar",\
784             .value    = stringify(0),\
785         },{\
786             .driver   = "vmware-svga",\
787             .property = "rombar",\
788             .value    = stringify(0),\
789         },
790 
791 static void pc_i440fx_0_13_machine_options(MachineClass *m)
792 {
793     pc_i440fx_0_14_machine_options(m);
794     m->hw_version = "0.13";
795     SET_MACHINE_COMPAT(m, PC_COMPAT_0_13);
796 }
797 
798 DEFINE_I440FX_MACHINE(v0_13, "pc-0.13", pc_compat_0_13,
799                       pc_i440fx_0_13_machine_options);
800 
801 
802 #define PC_COMPAT_0_12 \
803         PC_COMPAT_0_13 \
804         {\
805             .driver   = "virtio-serial-pci",\
806             .property = "max_ports",\
807             .value    = stringify(1),\
808         },{\
809             .driver   = "virtio-serial-pci",\
810             .property = "vectors",\
811             .value    = stringify(0),\
812         },{\
813             .driver   = "usb-mouse",\
814             .property = "serial",\
815             .value    = "1",\
816         },{\
817             .driver   = "usb-tablet",\
818             .property = "serial",\
819             .value    = "1",\
820         },{\
821             .driver   = "usb-kbd",\
822             .property = "serial",\
823             .value    = "1",\
824         },
825 
826 static void pc_i440fx_0_12_machine_options(MachineClass *m)
827 {
828     pc_i440fx_0_13_machine_options(m);
829     m->hw_version = "0.12";
830     SET_MACHINE_COMPAT(m, PC_COMPAT_0_12);
831 }
832 
833 DEFINE_I440FX_MACHINE(v0_12, "pc-0.12", pc_compat_0_13,
834                       pc_i440fx_0_12_machine_options);
835 
836 
837 #define PC_COMPAT_0_11 \
838         PC_COMPAT_0_12 \
839         {\
840             .driver   = "virtio-blk-pci",\
841             .property = "vectors",\
842             .value    = stringify(0),\
843         },{\
844             .driver   = TYPE_PCI_DEVICE,\
845             .property = "rombar",\
846             .value    = stringify(0),\
847         },{\
848             .driver   = "ide-drive",\
849             .property = "ver",\
850             .value    = "0.11",\
851         },{\
852             .driver   = "scsi-disk",\
853             .property = "ver",\
854             .value    = "0.11",\
855         },
856 
857 static void pc_i440fx_0_11_machine_options(MachineClass *m)
858 {
859     pc_i440fx_0_12_machine_options(m);
860     m->hw_version = "0.11";
861     SET_MACHINE_COMPAT(m, PC_COMPAT_0_11);
862 }
863 
864 DEFINE_I440FX_MACHINE(v0_11, "pc-0.11", pc_compat_0_13,
865                       pc_i440fx_0_11_machine_options);
866 
867 
868 #define PC_COMPAT_0_10 \
869     PC_COMPAT_0_11 \
870     {\
871         .driver   = "virtio-blk-pci",\
872         .property = "class",\
873         .value    = stringify(PCI_CLASS_STORAGE_OTHER),\
874     },{\
875         .driver   = "virtio-serial-pci",\
876         .property = "class",\
877         .value    = stringify(PCI_CLASS_DISPLAY_OTHER),\
878     },{\
879         .driver   = "virtio-net-pci",\
880         .property = "vectors",\
881         .value    = stringify(0),\
882     },{\
883         .driver   = "ide-drive",\
884         .property = "ver",\
885         .value    = "0.10",\
886     },{\
887         .driver   = "scsi-disk",\
888         .property = "ver",\
889         .value    = "0.10",\
890     },
891 
892 static void pc_i440fx_0_10_machine_options(MachineClass *m)
893 {
894     pc_i440fx_0_11_machine_options(m);
895     m->hw_version = "0.10";
896     SET_MACHINE_COMPAT(m, PC_COMPAT_0_10);
897 }
898 
899 DEFINE_I440FX_MACHINE(v0_10, "pc-0.10", pc_compat_0_13,
900                       pc_i440fx_0_10_machine_options);
901 
902 
903 static void isapc_machine_options(MachineClass *m)
904 {
905     pc_common_machine_options(m);
906     m->desc = "ISA-only PC";
907     m->max_cpus = 1;
908 }
909 
910 DEFINE_PC_MACHINE(isapc, "isapc", pc_init_isa,
911                   isapc_machine_options);
912 
913 
914 #ifdef CONFIG_XEN
915 static void xenfv_machine_options(MachineClass *m)
916 {
917     pc_common_machine_options(m);
918     m->desc = "Xen Fully-virtualized PC";
919     m->max_cpus = HVM_MAX_VCPUS;
920     m->default_machine_opts = "accel=xen";
921     m->hot_add_cpu = pc_hot_add_cpu;
922 }
923 
924 DEFINE_PC_MACHINE(xenfv, "xenfv", pc_xen_hvm_init,
925                   xenfv_machine_options);
926 #endif
927