xref: /openbmc/qemu/hw/i386/pc_piix.c (revision 000c4dff)
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/blockdev.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 has_pci_info;
63 static bool has_acpi_build = true;
64 static int legacy_acpi_table_size;
65 static bool smbios_defaults = true;
66 static bool smbios_legacy_mode;
67 /* Make sure that guest addresses aligned at 1Gbyte boundaries get mapped to
68  * host addresses aligned at 1Gbyte boundaries.  This way we can use 1GByte
69  * pages in the host.
70  */
71 static bool gigabyte_align = true;
72 static bool has_reserved_memory = true;
73 
74 /* PC hardware initialisation */
75 static void pc_init1(MachineState *machine,
76                      int pci_enabled,
77                      int kvmclock_enabled)
78 {
79     PCMachineState *pc_machine = PC_MACHINE(machine);
80     MemoryRegion *system_memory = get_system_memory();
81     MemoryRegion *system_io = get_system_io();
82     int i;
83     ram_addr_t below_4g_mem_size, above_4g_mem_size;
84     PCIBus *pci_bus;
85     ISABus *isa_bus;
86     PCII440FXState *i440fx_state;
87     int piix3_devfn = -1;
88     qemu_irq *cpu_irq;
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->has_pci_info = has_pci_info;
170     guest_info->isapc_ram_fw = !pci_enabled;
171     guest_info->has_reserved_memory = has_reserved_memory;
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);
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, 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         cpu_irq = pc_allocate_cpu_irq();
223         i8259 = i8259_init(isa_bus, cpu_irq[0]);
224     }
225 
226     for (i = 0; i < ISA_NUM_IRQS; i++) {
227         gsi_state->i8259_irq[i] = i8259[i];
228     }
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     /* init basic PC hardware */
239     pc_basic_device_init(isa_bus, gsi, &rtc_state, &floppy, xen_enabled(),
240         0x4);
241 
242     pc_nic_init(isa_bus, pci_bus);
243 
244     ide_drive_get(hd, MAX_IDE_BUS);
245     if (pci_enabled) {
246         PCIDevice *dev;
247         if (xen_enabled()) {
248             dev = pci_piix3_xen_ide_init(pci_bus, hd, piix3_devfn + 1);
249         } else {
250             dev = pci_piix3_ide_init(pci_bus, hd, piix3_devfn + 1);
251         }
252         idebus[0] = qdev_get_child_bus(&dev->qdev, "ide.0");
253         idebus[1] = qdev_get_child_bus(&dev->qdev, "ide.1");
254     } else {
255         for(i = 0; i < MAX_IDE_BUS; i++) {
256             ISADevice *dev;
257             char busname[] = "ide.0";
258             dev = isa_ide_init(isa_bus, ide_iobase[i], ide_iobase2[i],
259                                ide_irq[i],
260                                hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]);
261             /*
262              * The ide bus name is ide.0 for the first bus and ide.1 for the
263              * second one.
264              */
265             busname[4] = '0' + i;
266             idebus[i] = qdev_get_child_bus(DEVICE(dev), busname);
267         }
268     }
269 
270     pc_cmos_init(below_4g_mem_size, above_4g_mem_size, machine->boot_order,
271                  floppy, idebus[0], idebus[1], rtc_state);
272 
273     if (pci_enabled && usb_enabled(false)) {
274         pci_create_simple(pci_bus, piix3_devfn + 2, "piix3-usb-uhci");
275     }
276 
277     if (pci_enabled && acpi_enabled) {
278         DeviceState *piix4_pm;
279         I2CBus *smbus;
280 
281         smi_irq = qemu_allocate_irqs(pc_acpi_smi_interrupt, first_cpu, 1);
282         /* TODO: Populate SPD eeprom data.  */
283         smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100,
284                               gsi[9], *smi_irq,
285                               kvm_enabled(), fw_cfg, &piix4_pm);
286         smbus_eeprom_init(smbus, 8, NULL, 0);
287 
288         object_property_add_link(OBJECT(machine), PC_MACHINE_ACPI_DEVICE_PROP,
289                                  TYPE_HOTPLUG_HANDLER,
290                                  (Object **)&pc_machine->acpi_dev,
291                                  object_property_allow_set_link,
292                                  OBJ_PROP_LINK_UNREF_ON_RELEASE, &error_abort);
293         object_property_set_link(OBJECT(machine), OBJECT(piix4_pm),
294                                  PC_MACHINE_ACPI_DEVICE_PROP, &error_abort);
295     }
296 
297     if (pci_enabled) {
298         pc_pci_device_init(pci_bus);
299     }
300 }
301 
302 static void pc_init_pci(MachineState *machine)
303 {
304     pc_init1(machine, 1, 1);
305 }
306 
307 static void pc_compat_2_0(MachineState *machine)
308 {
309     /* This value depends on the actual DSDT and SSDT compiled into
310      * the source QEMU; unfortunately it depends on the binary and
311      * not on the machine type, so we cannot make pc-i440fx-1.7 work on
312      * both QEMU 1.7 and QEMU 2.0.
313      *
314      * Large variations cause migration to fail for more than one
315      * consecutive value of the "-smp" maxcpus option.
316      *
317      * For small variations of the kind caused by different iasl versions,
318      * the 4k rounding usually leaves slack.  However, there could be still
319      * one or two values that break.  For QEMU 1.7 and QEMU 2.0 the
320      * slack is only ~10 bytes before one "-smp maxcpus" value breaks!
321      *
322      * 6652 is valid for QEMU 2.0, the right value for pc-i440fx-1.7 on
323      * QEMU 1.7 it is 6414.  For RHEL/CentOS 7.0 it is 6418.
324      */
325     legacy_acpi_table_size = 6652;
326     smbios_legacy_mode = true;
327     has_reserved_memory = false;
328 }
329 
330 static void pc_compat_1_7(MachineState *machine)
331 {
332     pc_compat_2_0(machine);
333     smbios_defaults = false;
334     gigabyte_align = false;
335     option_rom_has_mr = true;
336     legacy_acpi_table_size = 6414;
337     x86_cpu_compat_disable_kvm_features(FEAT_1_ECX, CPUID_EXT_X2APIC);
338 }
339 
340 static void pc_compat_1_6(MachineState *machine)
341 {
342     pc_compat_1_7(machine);
343     has_pci_info = false;
344     rom_file_has_mr = false;
345     has_acpi_build = false;
346 }
347 
348 static void pc_compat_1_5(MachineState *machine)
349 {
350     pc_compat_1_6(machine);
351 }
352 
353 static void pc_compat_1_4(MachineState *machine)
354 {
355     pc_compat_1_5(machine);
356     x86_cpu_compat_set_features("n270", FEAT_1_ECX, 0, CPUID_EXT_MOVBE);
357     x86_cpu_compat_set_features("Westmere", FEAT_1_ECX, 0, CPUID_EXT_PCLMULQDQ);
358 }
359 
360 static void pc_compat_1_3(MachineState *machine)
361 {
362     pc_compat_1_4(machine);
363     enable_compat_apic_id_mode();
364 }
365 
366 /* PC compat function for pc-0.14 to pc-1.2 */
367 static void pc_compat_1_2(MachineState *machine)
368 {
369     pc_compat_1_3(machine);
370     x86_cpu_compat_disable_kvm_features(FEAT_KVM, KVM_FEATURE_PV_EOI);
371 }
372 
373 static void pc_init_pci_2_0(MachineState *machine)
374 {
375     pc_compat_2_0(machine);
376     pc_init_pci(machine);
377 }
378 
379 static void pc_init_pci_1_7(MachineState *machine)
380 {
381     pc_compat_1_7(machine);
382     pc_init_pci(machine);
383 }
384 
385 static void pc_init_pci_1_6(MachineState *machine)
386 {
387     pc_compat_1_6(machine);
388     pc_init_pci(machine);
389 }
390 
391 static void pc_init_pci_1_5(MachineState *machine)
392 {
393     pc_compat_1_5(machine);
394     pc_init_pci(machine);
395 }
396 
397 static void pc_init_pci_1_4(MachineState *machine)
398 {
399     pc_compat_1_4(machine);
400     pc_init_pci(machine);
401 }
402 
403 static void pc_init_pci_1_3(MachineState *machine)
404 {
405     pc_compat_1_3(machine);
406     pc_init_pci(machine);
407 }
408 
409 /* PC machine init function for pc-0.14 to pc-1.2 */
410 static void pc_init_pci_1_2(MachineState *machine)
411 {
412     pc_compat_1_2(machine);
413     pc_init_pci(machine);
414 }
415 
416 /* PC init function for pc-0.10 to pc-0.13 */
417 static void pc_init_pci_no_kvmclock(MachineState *machine)
418 {
419     pc_compat_1_2(machine);
420     pc_init1(machine, 1, 0);
421 }
422 
423 static void pc_init_isa(MachineState *machine)
424 {
425     has_pci_info = 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_disable_kvm_features(FEAT_KVM, KVM_FEATURE_PV_EOI);
437     enable_compat_apic_id_mode();
438     pc_init1(machine, 0, 1);
439 }
440 
441 #ifdef CONFIG_XEN
442 static void pc_xen_hvm_init(MachineState *machine)
443 {
444     PCIBus *bus;
445 
446     pc_init_pci(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 PC_I440FX_MACHINE_OPTIONS \
456     PC_DEFAULT_MACHINE_OPTIONS, \
457     .desc = "Standard PC (i440FX + PIIX, 1996)", \
458     .hot_add_cpu = pc_hot_add_cpu
459 
460 #define PC_I440FX_2_1_MACHINE_OPTIONS                           \
461     PC_I440FX_MACHINE_OPTIONS,                                  \
462     .default_machine_opts = "firmware=bios-256k.bin"
463 
464 static QEMUMachine pc_i440fx_machine_v2_1 = {
465     PC_I440FX_2_1_MACHINE_OPTIONS,
466     .name = "pc-i440fx-2.1",
467     .alias = "pc",
468     .init = pc_init_pci,
469     .is_default = 1,
470 };
471 
472 #define PC_I440FX_2_0_MACHINE_OPTIONS PC_I440FX_2_1_MACHINE_OPTIONS
473 
474 static QEMUMachine pc_i440fx_machine_v2_0 = {
475     PC_I440FX_2_0_MACHINE_OPTIONS,
476     .name = "pc-i440fx-2.0",
477     .init = pc_init_pci_2_0,
478     .compat_props = (GlobalProperty[]) {
479         PC_COMPAT_2_0,
480         { /* end of list */ }
481     },
482 };
483 
484 #define PC_I440FX_1_7_MACHINE_OPTIONS PC_I440FX_MACHINE_OPTIONS
485 
486 static QEMUMachine pc_i440fx_machine_v1_7 = {
487     PC_I440FX_1_7_MACHINE_OPTIONS,
488     .name = "pc-i440fx-1.7",
489     .init = pc_init_pci_1_7,
490     .compat_props = (GlobalProperty[]) {
491         PC_COMPAT_1_7,
492         { /* end of list */ }
493     },
494 };
495 
496 #define PC_I440FX_1_6_MACHINE_OPTIONS PC_I440FX_MACHINE_OPTIONS
497 
498 static QEMUMachine pc_i440fx_machine_v1_6 = {
499     PC_I440FX_1_6_MACHINE_OPTIONS,
500     .name = "pc-i440fx-1.6",
501     .init = pc_init_pci_1_6,
502     .compat_props = (GlobalProperty[]) {
503         PC_COMPAT_1_6,
504         { /* end of list */ }
505     },
506 };
507 
508 static QEMUMachine pc_i440fx_machine_v1_5 = {
509     PC_I440FX_1_6_MACHINE_OPTIONS,
510     .name = "pc-i440fx-1.5",
511     .init = pc_init_pci_1_5,
512     .compat_props = (GlobalProperty[]) {
513         PC_COMPAT_1_5,
514         { /* end of list */ }
515     },
516 };
517 
518 #define PC_I440FX_1_4_MACHINE_OPTIONS \
519     PC_I440FX_1_6_MACHINE_OPTIONS, \
520     .hot_add_cpu = NULL
521 
522 static QEMUMachine pc_i440fx_machine_v1_4 = {
523     PC_I440FX_1_4_MACHINE_OPTIONS,
524     .name = "pc-i440fx-1.4",
525     .init = pc_init_pci_1_4,
526     .compat_props = (GlobalProperty[]) {
527         PC_COMPAT_1_4,
528         { /* end of list */ }
529     },
530 };
531 
532 #define PC_COMPAT_1_3 \
533 	PC_COMPAT_1_4, \
534         {\
535             .driver   = "usb-tablet",\
536             .property = "usb_version",\
537             .value    = stringify(1),\
538         },{\
539             .driver   = "virtio-net-pci",\
540             .property = "ctrl_mac_addr",\
541             .value    = "off",      \
542         },{ \
543             .driver   = "virtio-net-pci", \
544             .property = "mq", \
545             .value    = "off", \
546         }, {\
547             .driver   = "e1000",\
548             .property = "autonegotiation",\
549             .value    = "off",\
550         }
551 
552 static QEMUMachine pc_machine_v1_3 = {
553     PC_I440FX_1_4_MACHINE_OPTIONS,
554     .name = "pc-1.3",
555     .init = pc_init_pci_1_3,
556     .compat_props = (GlobalProperty[]) {
557         PC_COMPAT_1_3,
558         { /* end of list */ }
559     },
560 };
561 
562 #define PC_COMPAT_1_2 \
563         PC_COMPAT_1_3,\
564         {\
565             .driver   = "nec-usb-xhci",\
566             .property = "msi",\
567             .value    = "off",\
568         },{\
569             .driver   = "nec-usb-xhci",\
570             .property = "msix",\
571             .value    = "off",\
572         },{\
573             .driver   = "ivshmem",\
574             .property = "use64",\
575             .value    = "0",\
576         },{\
577             .driver   = "qxl",\
578             .property = "revision",\
579             .value    = stringify(3),\
580         },{\
581             .driver   = "qxl-vga",\
582             .property = "revision",\
583             .value    = stringify(3),\
584         },{\
585             .driver   = "VGA",\
586             .property = "mmio",\
587             .value    = "off",\
588         }
589 
590 #define PC_I440FX_1_2_MACHINE_OPTIONS \
591     PC_I440FX_1_4_MACHINE_OPTIONS, \
592     .init = pc_init_pci_1_2
593 
594 static QEMUMachine pc_machine_v1_2 = {
595     PC_I440FX_1_2_MACHINE_OPTIONS,
596     .name = "pc-1.2",
597     .compat_props = (GlobalProperty[]) {
598         PC_COMPAT_1_2,
599         { /* end of list */ }
600     },
601 };
602 
603 #define PC_COMPAT_1_1 \
604         PC_COMPAT_1_2,\
605         {\
606             .driver   = "virtio-scsi-pci",\
607             .property = "hotplug",\
608             .value    = "off",\
609         },{\
610             .driver   = "virtio-scsi-pci",\
611             .property = "param_change",\
612             .value    = "off",\
613         },{\
614             .driver   = "VGA",\
615             .property = "vgamem_mb",\
616             .value    = stringify(8),\
617         },{\
618             .driver   = "vmware-svga",\
619             .property = "vgamem_mb",\
620             .value    = stringify(8),\
621         },{\
622             .driver   = "qxl-vga",\
623             .property = "vgamem_mb",\
624             .value    = stringify(8),\
625         },{\
626             .driver   = "qxl",\
627             .property = "vgamem_mb",\
628             .value    = stringify(8),\
629         },{\
630             .driver   = "virtio-blk-pci",\
631             .property = "config-wce",\
632             .value    = "off",\
633         }
634 
635 static QEMUMachine pc_machine_v1_1 = {
636     PC_I440FX_1_2_MACHINE_OPTIONS,
637     .name = "pc-1.1",
638     .compat_props = (GlobalProperty[]) {
639         PC_COMPAT_1_1,
640         { /* end of list */ }
641     },
642 };
643 
644 #define PC_COMPAT_1_0 \
645         PC_COMPAT_1_1,\
646         {\
647             .driver   = TYPE_ISA_FDC,\
648             .property = "check_media_rate",\
649             .value    = "off",\
650         }, {\
651             .driver   = "virtio-balloon-pci",\
652             .property = "class",\
653             .value    = stringify(PCI_CLASS_MEMORY_RAM),\
654         },{\
655             .driver   = "apic",\
656             .property = "vapic",\
657             .value    = "off",\
658         },{\
659             .driver   = TYPE_USB_DEVICE,\
660             .property = "full-path",\
661             .value    = "no",\
662         }
663 
664 static QEMUMachine pc_machine_v1_0 = {
665     PC_I440FX_1_2_MACHINE_OPTIONS,
666     .name = "pc-1.0",
667     .compat_props = (GlobalProperty[]) {
668         PC_COMPAT_1_0,
669         { /* end of list */ }
670     },
671     .hw_version = "1.0",
672 };
673 
674 #define PC_COMPAT_0_15 \
675         PC_COMPAT_1_0
676 
677 static QEMUMachine pc_machine_v0_15 = {
678     PC_I440FX_1_2_MACHINE_OPTIONS,
679     .name = "pc-0.15",
680     .compat_props = (GlobalProperty[]) {
681         PC_COMPAT_0_15,
682         { /* end of list */ }
683     },
684     .hw_version = "0.15",
685 };
686 
687 #define PC_COMPAT_0_14 \
688         PC_COMPAT_0_15,\
689         {\
690             .driver   = "virtio-blk-pci",\
691             .property = "event_idx",\
692             .value    = "off",\
693         },{\
694             .driver   = "virtio-serial-pci",\
695             .property = "event_idx",\
696             .value    = "off",\
697         },{\
698             .driver   = "virtio-net-pci",\
699             .property = "event_idx",\
700             .value    = "off",\
701         },{\
702             .driver   = "virtio-balloon-pci",\
703             .property = "event_idx",\
704             .value    = "off",\
705         }
706 
707 static QEMUMachine pc_machine_v0_14 = {
708     PC_I440FX_1_2_MACHINE_OPTIONS,
709     .name = "pc-0.14",
710     .compat_props = (GlobalProperty[]) {
711         PC_COMPAT_0_14,
712         {
713             .driver   = "qxl",
714             .property = "revision",
715             .value    = stringify(2),
716         },{
717             .driver   = "qxl-vga",
718             .property = "revision",
719             .value    = stringify(2),
720         },
721         { /* end of list */ }
722     },
723     .hw_version = "0.14",
724 };
725 
726 #define PC_COMPAT_0_13 \
727         PC_COMPAT_0_14,\
728         {\
729             .driver   = TYPE_PCI_DEVICE,\
730             .property = "command_serr_enable",\
731             .value    = "off",\
732         },{\
733             .driver   = "AC97",\
734             .property = "use_broken_id",\
735             .value    = stringify(1),\
736         }
737 
738 #define PC_I440FX_0_13_MACHINE_OPTIONS \
739     PC_I440FX_1_2_MACHINE_OPTIONS, \
740     .init = pc_init_pci_no_kvmclock
741 
742 static QEMUMachine pc_machine_v0_13 = {
743     PC_I440FX_0_13_MACHINE_OPTIONS,
744     .name = "pc-0.13",
745     .compat_props = (GlobalProperty[]) {
746         PC_COMPAT_0_13,
747         {
748             .driver   = "virtio-9p-pci",
749             .property = "vectors",
750             .value    = stringify(0),
751         },{
752             .driver   = "VGA",
753             .property = "rombar",
754             .value    = stringify(0),
755         },{
756             .driver   = "vmware-svga",
757             .property = "rombar",
758             .value    = stringify(0),
759         },
760         { /* end of list */ }
761     },
762     .hw_version = "0.13",
763 };
764 
765 #define PC_COMPAT_0_12 \
766         PC_COMPAT_0_13,\
767         {\
768             .driver   = "virtio-serial-pci",\
769             .property = "max_ports",\
770             .value    = stringify(1),\
771         },{\
772             .driver   = "virtio-serial-pci",\
773             .property = "vectors",\
774             .value    = stringify(0),\
775         },{\
776             .driver   = "usb-mouse",\
777             .property = "serial",\
778             .value    = "1",\
779         },{\
780             .driver   = "usb-tablet",\
781             .property = "serial",\
782             .value    = "1",\
783         },{\
784             .driver   = "usb-kbd",\
785             .property = "serial",\
786             .value    = "1",\
787         }
788 
789 static QEMUMachine pc_machine_v0_12 = {
790     PC_I440FX_0_13_MACHINE_OPTIONS,
791     .name = "pc-0.12",
792     .compat_props = (GlobalProperty[]) {
793         PC_COMPAT_0_12,
794         {
795             .driver   = "VGA",
796             .property = "rombar",
797             .value    = stringify(0),
798         },{
799             .driver   = "vmware-svga",
800             .property = "rombar",
801             .value    = stringify(0),
802         },
803         { /* end of list */ }
804     },
805     .hw_version = "0.12",
806 };
807 
808 #define PC_COMPAT_0_11 \
809         PC_COMPAT_0_12,\
810         {\
811             .driver   = "virtio-blk-pci",\
812             .property = "vectors",\
813             .value    = stringify(0),\
814         },{\
815             .driver   = TYPE_PCI_DEVICE,\
816             .property = "rombar",\
817             .value    = stringify(0),\
818         }
819 
820 static QEMUMachine pc_machine_v0_11 = {
821     PC_I440FX_0_13_MACHINE_OPTIONS,
822     .name = "pc-0.11",
823     .compat_props = (GlobalProperty[]) {
824         PC_COMPAT_0_11,
825         {
826             .driver   = "ide-drive",
827             .property = "ver",
828             .value    = "0.11",
829         },{
830             .driver   = "scsi-disk",
831             .property = "ver",
832             .value    = "0.11",
833         },
834         { /* end of list */ }
835     },
836     .hw_version = "0.11",
837 };
838 
839 static QEMUMachine pc_machine_v0_10 = {
840     PC_I440FX_0_13_MACHINE_OPTIONS,
841     .name = "pc-0.10",
842     .compat_props = (GlobalProperty[]) {
843         PC_COMPAT_0_11,
844         {
845             .driver   = "virtio-blk-pci",
846             .property = "class",
847             .value    = stringify(PCI_CLASS_STORAGE_OTHER),
848         },{
849             .driver   = "virtio-serial-pci",
850             .property = "class",
851             .value    = stringify(PCI_CLASS_DISPLAY_OTHER),
852         },{
853             .driver   = "virtio-net-pci",
854             .property = "vectors",
855             .value    = stringify(0),
856         },{
857             .driver   = "ide-drive",
858             .property = "ver",
859             .value    = "0.10",
860         },{
861             .driver   = "scsi-disk",
862             .property = "ver",
863             .value    = "0.10",
864         },
865         { /* end of list */ }
866     },
867     .hw_version = "0.10",
868 };
869 
870 static QEMUMachine isapc_machine = {
871     PC_COMMON_MACHINE_OPTIONS,
872     .name = "isapc",
873     .desc = "ISA-only PC",
874     .init = pc_init_isa,
875     .max_cpus = 1,
876     .compat_props = (GlobalProperty[]) {
877         { /* end of list */ }
878     },
879 };
880 
881 #ifdef CONFIG_XEN
882 static QEMUMachine xenfv_machine = {
883     PC_COMMON_MACHINE_OPTIONS,
884     .name = "xenfv",
885     .desc = "Xen Fully-virtualized PC",
886     .init = pc_xen_hvm_init,
887     .max_cpus = HVM_MAX_VCPUS,
888     .default_machine_opts = "accel=xen",
889     .hot_add_cpu = pc_hot_add_cpu,
890     .compat_props = (GlobalProperty[]) {
891         /* xenfv has no fwcfg and so does not load acpi from QEMU.
892          * as such new acpi features don't work.
893          */
894         {
895             .driver   = "PIIX4_PM",
896             .property = "acpi-pci-hotplug-with-bridge-support",
897             .value    = "off",
898         },
899         { /* end of list */ }
900     },
901 };
902 #endif
903 
904 static void pc_machine_init(void)
905 {
906     qemu_register_pc_machine(&pc_i440fx_machine_v2_1);
907     qemu_register_pc_machine(&pc_i440fx_machine_v2_0);
908     qemu_register_pc_machine(&pc_i440fx_machine_v1_7);
909     qemu_register_pc_machine(&pc_i440fx_machine_v1_6);
910     qemu_register_pc_machine(&pc_i440fx_machine_v1_5);
911     qemu_register_pc_machine(&pc_i440fx_machine_v1_4);
912     qemu_register_pc_machine(&pc_machine_v1_3);
913     qemu_register_pc_machine(&pc_machine_v1_2);
914     qemu_register_pc_machine(&pc_machine_v1_1);
915     qemu_register_pc_machine(&pc_machine_v1_0);
916     qemu_register_pc_machine(&pc_machine_v0_15);
917     qemu_register_pc_machine(&pc_machine_v0_14);
918     qemu_register_pc_machine(&pc_machine_v0_13);
919     qemu_register_pc_machine(&pc_machine_v0_12);
920     qemu_register_pc_machine(&pc_machine_v0_11);
921     qemu_register_pc_machine(&pc_machine_v0_10);
922     qemu_register_pc_machine(&isapc_machine);
923 #ifdef CONFIG_XEN
924     qemu_register_pc_machine(&xenfv_machine);
925 #endif
926 }
927 
928 machine_init(pc_machine_init);
929