xref: /openbmc/qemu/hw/i386/pc_q35.c (revision 3df4c288)
1 /*
2  * Q35 chipset based pc system emulator
3  *
4  * Copyright (c) 2003-2004 Fabrice Bellard
5  * Copyright (c) 2009, 2010
6  *               Isaku Yamahata <yamahata at valinux co jp>
7  *               VA Linux Systems Japan K.K.
8  * Copyright (C) 2012 Jason Baron <jbaron@redhat.com>
9  *
10  * This is based on pc.c, but heavily modified.
11  *
12  * Permission is hereby granted, free of charge, to any person obtaining a copy
13  * of this software and associated documentation files (the "Software"), to deal
14  * in the Software without restriction, including without limitation the rights
15  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
16  * copies of the Software, and to permit persons to whom the Software is
17  * furnished to do so, subject to the following conditions:
18  *
19  * The above copyright notice and this permission notice shall be included in
20  * all copies or substantial portions of the Software.
21  *
22  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
23  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
24  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
25  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
26  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
27  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
28  * THE SOFTWARE.
29  */
30 
31 #include "qemu/osdep.h"
32 #include "qemu/units.h"
33 #include "hw/acpi/acpi.h"
34 #include "hw/char/parallel-isa.h"
35 #include "hw/loader.h"
36 #include "hw/i2c/smbus_eeprom.h"
37 #include "hw/rtc/mc146818rtc.h"
38 #include "sysemu/tcg.h"
39 #include "sysemu/kvm.h"
40 #include "hw/i386/kvm/clock.h"
41 #include "hw/pci-host/q35.h"
42 #include "hw/pci/pcie_port.h"
43 #include "hw/qdev-properties.h"
44 #include "hw/i386/x86.h"
45 #include "hw/i386/pc.h"
46 #include "hw/i386/amd_iommu.h"
47 #include "hw/i386/intel_iommu.h"
48 #include "hw/virtio/virtio-iommu.h"
49 #include "hw/display/ramfb.h"
50 #include "hw/ide/pci.h"
51 #include "hw/ide/ahci-pci.h"
52 #include "hw/intc/ioapic.h"
53 #include "hw/southbridge/ich9.h"
54 #include "hw/usb.h"
55 #include "hw/usb/hcd-uhci.h"
56 #include "qapi/error.h"
57 #include "qemu/error-report.h"
58 #include "sysemu/numa.h"
59 #include "hw/hyperv/vmbus-bridge.h"
60 #include "hw/mem/nvdimm.h"
61 #include "hw/i386/acpi-build.h"
62 #include "target/i386/cpu.h"
63 
64 /* ICH9 AHCI has 6 ports */
65 #define MAX_SATA_PORTS     6
66 
67 static GlobalProperty pc_q35_compat_defaults[] = {
68     { TYPE_VIRTIO_IOMMU_PCI, "aw-bits", "39" },
69 };
70 static const size_t pc_q35_compat_defaults_len =
71     G_N_ELEMENTS(pc_q35_compat_defaults);
72 
73 struct ehci_companions {
74     const char *name;
75     int func;
76     int port;
77 };
78 
79 static const struct ehci_companions ich9_1d[] = {
80     { .name = TYPE_ICH9_USB_UHCI(1), .func = 0, .port = 0 },
81     { .name = TYPE_ICH9_USB_UHCI(2), .func = 1, .port = 2 },
82     { .name = TYPE_ICH9_USB_UHCI(3), .func = 2, .port = 4 },
83 };
84 
85 static const struct ehci_companions ich9_1a[] = {
86     { .name = TYPE_ICH9_USB_UHCI(4), .func = 0, .port = 0 },
87     { .name = TYPE_ICH9_USB_UHCI(5), .func = 1, .port = 2 },
88     { .name = TYPE_ICH9_USB_UHCI(6), .func = 2, .port = 4 },
89 };
90 
91 static int ehci_create_ich9_with_companions(PCIBus *bus, int slot)
92 {
93     const struct ehci_companions *comp;
94     PCIDevice *ehci, *uhci;
95     BusState *usbbus;
96     const char *name;
97     int i;
98 
99     switch (slot) {
100     case 0x1d:
101         name = "ich9-usb-ehci1";
102         comp = ich9_1d;
103         break;
104     case 0x1a:
105         name = "ich9-usb-ehci2";
106         comp = ich9_1a;
107         break;
108     default:
109         return -1;
110     }
111 
112     ehci = pci_new_multifunction(PCI_DEVFN(slot, 7), name);
113     pci_realize_and_unref(ehci, bus, &error_fatal);
114     usbbus = QLIST_FIRST(&ehci->qdev.child_bus);
115 
116     for (i = 0; i < 3; i++) {
117         uhci = pci_new_multifunction(PCI_DEVFN(slot, comp[i].func),
118                                      comp[i].name);
119         qdev_prop_set_string(&uhci->qdev, "masterbus", usbbus->name);
120         qdev_prop_set_uint32(&uhci->qdev, "firstport", comp[i].port);
121         pci_realize_and_unref(uhci, bus, &error_fatal);
122     }
123     return 0;
124 }
125 
126 /* PC hardware initialisation */
127 static void pc_q35_init(MachineState *machine)
128 {
129     PCMachineState *pcms = PC_MACHINE(machine);
130     PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms);
131     X86MachineState *x86ms = X86_MACHINE(machine);
132     Object *phb;
133     PCIDevice *lpc;
134     DeviceState *lpc_dev;
135     MemoryRegion *system_memory = get_system_memory();
136     MemoryRegion *system_io = get_system_io();
137     MemoryRegion *pci_memory = g_new(MemoryRegion, 1);
138     GSIState *gsi_state;
139     ISABus *isa_bus;
140     int i;
141     ram_addr_t lowmem;
142     DriveInfo *hd[MAX_SATA_PORTS];
143     MachineClass *mc = MACHINE_GET_CLASS(machine);
144     bool acpi_pcihp;
145     bool keep_pci_slot_hpc;
146     uint64_t pci_hole64_size = 0;
147 
148     assert(pcmc->pci_enabled);
149 
150     /* Check whether RAM fits below 4G (leaving 1/2 GByte for IO memory
151      * and 256 Mbytes for PCI Express Enhanced Configuration Access Mapping
152      * also known as MMCFG).
153      * If it doesn't, we need to split it in chunks below and above 4G.
154      * In any case, try to make sure that guest addresses aligned at
155      * 1G boundaries get mapped to host addresses aligned at 1G boundaries.
156      */
157     if (machine->ram_size >= 0xb0000000) {
158         lowmem = 0x80000000;
159     } else {
160         lowmem = 0xb0000000;
161     }
162 
163     /* Handle the machine opt max-ram-below-4g.  It is basically doing
164      * min(qemu limit, user limit).
165      */
166     if (!pcms->max_ram_below_4g) {
167         pcms->max_ram_below_4g = 4 * GiB;
168     }
169     if (lowmem > pcms->max_ram_below_4g) {
170         lowmem = pcms->max_ram_below_4g;
171         if (machine->ram_size - lowmem > lowmem &&
172             lowmem & (1 * GiB - 1)) {
173             warn_report("There is possibly poor performance as the ram size "
174                         " (0x%" PRIx64 ") is more then twice the size of"
175                         " max-ram-below-4g (%"PRIu64") and"
176                         " max-ram-below-4g is not a multiple of 1G.",
177                         (uint64_t)machine->ram_size, pcms->max_ram_below_4g);
178         }
179     }
180 
181     if (machine->ram_size >= lowmem) {
182         x86ms->above_4g_mem_size = machine->ram_size - lowmem;
183         x86ms->below_4g_mem_size = lowmem;
184     } else {
185         x86ms->above_4g_mem_size = 0;
186         x86ms->below_4g_mem_size = machine->ram_size;
187     }
188 
189     pc_machine_init_sgx_epc(pcms);
190     x86_cpus_init(x86ms, pcmc->default_cpu_version);
191 
192     if (kvm_enabled()) {
193         kvmclock_create(pcmc->kvmclock_create_always);
194     }
195 
196     /* create pci host bus */
197     phb = OBJECT(qdev_new(TYPE_Q35_HOST_DEVICE));
198 
199     pci_hole64_size = object_property_get_uint(phb,
200                                                PCI_HOST_PROP_PCI_HOLE64_SIZE,
201                                                &error_abort);
202 
203     /* allocate ram and load rom/bios */
204     memory_region_init(pci_memory, NULL, "pci", UINT64_MAX);
205     pc_memory_init(pcms, system_memory, pci_memory, pci_hole64_size);
206 
207     object_property_add_child(OBJECT(machine), "q35", phb);
208     object_property_set_link(phb, PCI_HOST_PROP_RAM_MEM,
209                              OBJECT(machine->ram), NULL);
210     object_property_set_link(phb, PCI_HOST_PROP_PCI_MEM,
211                              OBJECT(pci_memory), NULL);
212     object_property_set_link(phb, PCI_HOST_PROP_SYSTEM_MEM,
213                              OBJECT(system_memory), NULL);
214     object_property_set_link(phb, PCI_HOST_PROP_IO_MEM,
215                              OBJECT(system_io), NULL);
216     object_property_set_int(phb, PCI_HOST_BELOW_4G_MEM_SIZE,
217                             x86ms->below_4g_mem_size, NULL);
218     object_property_set_int(phb, PCI_HOST_ABOVE_4G_MEM_SIZE,
219                             x86ms->above_4g_mem_size, NULL);
220     object_property_set_bool(phb, PCI_HOST_BYPASS_IOMMU,
221                              pcms->default_bus_bypass_iommu, NULL);
222     sysbus_realize_and_unref(SYS_BUS_DEVICE(phb), &error_fatal);
223 
224     /* pci */
225     pcms->pcibus = PCI_BUS(qdev_get_child_bus(DEVICE(phb), "pcie.0"));
226 
227     /* irq lines */
228     gsi_state = pc_gsi_create(&x86ms->gsi, true);
229 
230     /* create ISA bus */
231     lpc = pci_new_multifunction(PCI_DEVFN(ICH9_LPC_DEV, ICH9_LPC_FUNC),
232                                 TYPE_ICH9_LPC_DEVICE);
233     lpc_dev = DEVICE(lpc);
234     qdev_prop_set_bit(lpc_dev, "smm-enabled",
235                       x86_machine_is_smm_enabled(x86ms));
236     for (i = 0; i < IOAPIC_NUM_PINS; i++) {
237         qdev_connect_gpio_out_named(lpc_dev, ICH9_GPIO_GSI, i, x86ms->gsi[i]);
238     }
239     pci_realize_and_unref(lpc, pcms->pcibus, &error_fatal);
240 
241     x86ms->rtc = ISA_DEVICE(object_resolve_path_component(OBJECT(lpc), "rtc"));
242 
243     object_property_add_link(OBJECT(machine), PC_MACHINE_ACPI_DEVICE_PROP,
244                              TYPE_HOTPLUG_HANDLER,
245                              (Object **)&x86ms->acpi_dev,
246                              object_property_allow_set_link,
247                              OBJ_PROP_LINK_STRONG);
248     object_property_set_link(OBJECT(machine), PC_MACHINE_ACPI_DEVICE_PROP,
249                              OBJECT(lpc), &error_abort);
250 
251     acpi_pcihp = object_property_get_bool(OBJECT(lpc),
252                                           ACPI_PM_PROP_ACPI_PCIHP_BRIDGE,
253                                           NULL);
254 
255     keep_pci_slot_hpc = object_property_get_bool(OBJECT(lpc),
256                                                  "x-keep-pci-slot-hpc",
257                                                  NULL);
258 
259     if (!keep_pci_slot_hpc && acpi_pcihp) {
260         object_register_sugar_prop(TYPE_PCIE_SLOT,
261                                    "x-do-not-expose-native-hotplug-cap",
262                                    "true", true);
263     }
264 
265     isa_bus = ISA_BUS(qdev_get_child_bus(lpc_dev, "isa.0"));
266 
267     if (x86ms->pic == ON_OFF_AUTO_ON || x86ms->pic == ON_OFF_AUTO_AUTO) {
268         pc_i8259_create(isa_bus, gsi_state->i8259_irq);
269     }
270 
271     ioapic_init_gsi(gsi_state, OBJECT(phb));
272 
273     if (tcg_enabled()) {
274         x86_register_ferr_irq(x86ms->gsi[13]);
275     }
276 
277     assert(pcms->vmport != ON_OFF_AUTO__MAX);
278     if (pcms->vmport == ON_OFF_AUTO_AUTO) {
279         pcms->vmport = ON_OFF_AUTO_ON;
280     }
281 
282     /* init basic PC hardware */
283     pc_basic_device_init(pcms, isa_bus, x86ms->gsi, x86ms->rtc, !mc->no_floppy,
284                          0xff0104);
285 
286     if (pcms->sata_enabled) {
287         PCIDevice *pdev;
288         AHCIPCIState *ich9;
289 
290         /* ahci and SATA device, for q35 1 ahci controller is built-in */
291         pdev = pci_create_simple_multifunction(pcms->pcibus,
292                                                PCI_DEVFN(ICH9_SATA1_DEV,
293                                                          ICH9_SATA1_FUNC),
294                                                "ich9-ahci");
295         ich9 = ICH9_AHCI(pdev);
296         pcms->idebus[0] = qdev_get_child_bus(DEVICE(pdev), "ide.0");
297         pcms->idebus[1] = qdev_get_child_bus(DEVICE(pdev), "ide.1");
298         g_assert(MAX_SATA_PORTS == ich9->ahci.ports);
299         ide_drive_get(hd, ich9->ahci.ports);
300         ahci_ide_create_devs(&ich9->ahci, hd);
301     }
302 
303     if (machine_usb(machine)) {
304         /* Should we create 6 UHCI according to ich9 spec? */
305         ehci_create_ich9_with_companions(pcms->pcibus, 0x1d);
306     }
307 
308     if (pcms->smbus_enabled) {
309         PCIDevice *smb;
310 
311         /* TODO: Populate SPD eeprom data.  */
312         smb = pci_create_simple_multifunction(pcms->pcibus,
313                                               PCI_DEVFN(ICH9_SMB_DEV,
314                                                         ICH9_SMB_FUNC),
315                                               TYPE_ICH9_SMB_DEVICE);
316         pcms->smbus = I2C_BUS(qdev_get_child_bus(DEVICE(smb), "i2c"));
317 
318         smbus_eeprom_init(pcms->smbus, 8, NULL, 0);
319     }
320 
321     /* the rest devices to which pci devfn is automatically assigned */
322     pc_vga_init(isa_bus, pcms->pcibus);
323     pc_nic_init(pcmc, isa_bus, pcms->pcibus);
324 
325     if (machine->nvdimms_state->is_enabled) {
326         nvdimm_init_acpi_state(machine->nvdimms_state, system_io,
327                                x86_nvdimm_acpi_dsmio,
328                                x86ms->fw_cfg, OBJECT(pcms));
329     }
330 }
331 
332 #define DEFINE_Q35_MACHINE(suffix, name, compatfn, optionfn) \
333     static void pc_init_##suffix(MachineState *machine) \
334     { \
335         void (*compat)(MachineState *m) = (compatfn); \
336         if (compat) { \
337             compat(machine); \
338         } \
339         pc_q35_init(machine); \
340     } \
341     DEFINE_PC_MACHINE(suffix, name, pc_init_##suffix, optionfn)
342 
343 
344 static void pc_q35_machine_options(MachineClass *m)
345 {
346     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
347     pcmc->pci_root_uid = 0;
348     pcmc->default_cpu_version = 1;
349 
350     m->family = "pc_q35";
351     m->desc = "Standard PC (Q35 + ICH9, 2009)";
352     m->units_per_default_bus = 1;
353     m->default_machine_opts = "firmware=bios-256k.bin";
354     m->default_display = "std";
355     m->default_nic = "e1000e";
356     m->default_kernel_irqchip_split = false;
357     m->no_floppy = 1;
358     m->max_cpus = 4096;
359     m->no_parallel = !module_object_class_by_name(TYPE_ISA_PARALLEL);
360     machine_class_allow_dynamic_sysbus_dev(m, TYPE_AMD_IOMMU_DEVICE);
361     machine_class_allow_dynamic_sysbus_dev(m, TYPE_INTEL_IOMMU_DEVICE);
362     machine_class_allow_dynamic_sysbus_dev(m, TYPE_RAMFB_DEVICE);
363     machine_class_allow_dynamic_sysbus_dev(m, TYPE_VMBUS_BRIDGE);
364     compat_props_add(m->compat_props,
365                      pc_q35_compat_defaults, pc_q35_compat_defaults_len);
366 }
367 
368 static void pc_q35_9_0_machine_options(MachineClass *m)
369 {
370     pc_q35_machine_options(m);
371     m->alias = "q35";
372 }
373 
374 DEFINE_Q35_MACHINE(v9_0, "pc-q35-9.0", NULL,
375                    pc_q35_9_0_machine_options);
376 
377 static void pc_q35_8_2_machine_options(MachineClass *m)
378 {
379     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
380     pc_q35_9_0_machine_options(m);
381     m->alias = NULL;
382     m->max_cpus = 1024;
383     compat_props_add(m->compat_props, hw_compat_8_2, hw_compat_8_2_len);
384     compat_props_add(m->compat_props, pc_compat_8_2, pc_compat_8_2_len);
385     /* For pc-q35-8.2 and 8.1, use SMBIOS 3.X by default */
386     pcmc->default_smbios_ep_type = SMBIOS_ENTRY_POINT_TYPE_64;
387 }
388 
389 DEFINE_Q35_MACHINE(v8_2, "pc-q35-8.2", NULL,
390                    pc_q35_8_2_machine_options);
391 
392 static void pc_q35_8_1_machine_options(MachineClass *m)
393 {
394     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
395     pc_q35_8_2_machine_options(m);
396     pcmc->broken_32bit_mem_addr_check = true;
397     compat_props_add(m->compat_props, hw_compat_8_1, hw_compat_8_1_len);
398     compat_props_add(m->compat_props, pc_compat_8_1, pc_compat_8_1_len);
399 }
400 
401 DEFINE_Q35_MACHINE(v8_1, "pc-q35-8.1", NULL,
402                    pc_q35_8_1_machine_options);
403 
404 static void pc_q35_8_0_machine_options(MachineClass *m)
405 {
406     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
407 
408     pc_q35_8_1_machine_options(m);
409     compat_props_add(m->compat_props, hw_compat_8_0, hw_compat_8_0_len);
410     compat_props_add(m->compat_props, pc_compat_8_0, pc_compat_8_0_len);
411 
412     /* For pc-q35-8.0 and older, use SMBIOS 2.8 by default */
413     pcmc->default_smbios_ep_type = SMBIOS_ENTRY_POINT_TYPE_32;
414     m->max_cpus = 288;
415 }
416 
417 DEFINE_Q35_MACHINE(v8_0, "pc-q35-8.0", NULL,
418                    pc_q35_8_0_machine_options);
419 
420 static void pc_q35_7_2_machine_options(MachineClass *m)
421 {
422     pc_q35_8_0_machine_options(m);
423     compat_props_add(m->compat_props, hw_compat_7_2, hw_compat_7_2_len);
424     compat_props_add(m->compat_props, pc_compat_7_2, pc_compat_7_2_len);
425 }
426 
427 DEFINE_Q35_MACHINE(v7_2, "pc-q35-7.2", NULL,
428                    pc_q35_7_2_machine_options);
429 
430 static void pc_q35_7_1_machine_options(MachineClass *m)
431 {
432     pc_q35_7_2_machine_options(m);
433     compat_props_add(m->compat_props, hw_compat_7_1, hw_compat_7_1_len);
434     compat_props_add(m->compat_props, pc_compat_7_1, pc_compat_7_1_len);
435 }
436 
437 DEFINE_Q35_MACHINE(v7_1, "pc-q35-7.1", NULL,
438                    pc_q35_7_1_machine_options);
439 
440 static void pc_q35_7_0_machine_options(MachineClass *m)
441 {
442     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
443     pc_q35_7_1_machine_options(m);
444     pcmc->enforce_amd_1tb_hole = false;
445     compat_props_add(m->compat_props, hw_compat_7_0, hw_compat_7_0_len);
446     compat_props_add(m->compat_props, pc_compat_7_0, pc_compat_7_0_len);
447 }
448 
449 DEFINE_Q35_MACHINE(v7_0, "pc-q35-7.0", NULL,
450                    pc_q35_7_0_machine_options);
451 
452 static void pc_q35_6_2_machine_options(MachineClass *m)
453 {
454     pc_q35_7_0_machine_options(m);
455     compat_props_add(m->compat_props, hw_compat_6_2, hw_compat_6_2_len);
456     compat_props_add(m->compat_props, pc_compat_6_2, pc_compat_6_2_len);
457 }
458 
459 DEFINE_Q35_MACHINE(v6_2, "pc-q35-6.2", NULL,
460                    pc_q35_6_2_machine_options);
461 
462 static void pc_q35_6_1_machine_options(MachineClass *m)
463 {
464     pc_q35_6_2_machine_options(m);
465     compat_props_add(m->compat_props, hw_compat_6_1, hw_compat_6_1_len);
466     compat_props_add(m->compat_props, pc_compat_6_1, pc_compat_6_1_len);
467     m->smp_props.prefer_sockets = true;
468 }
469 
470 DEFINE_Q35_MACHINE(v6_1, "pc-q35-6.1", NULL,
471                    pc_q35_6_1_machine_options);
472 
473 static void pc_q35_6_0_machine_options(MachineClass *m)
474 {
475     pc_q35_6_1_machine_options(m);
476     compat_props_add(m->compat_props, hw_compat_6_0, hw_compat_6_0_len);
477     compat_props_add(m->compat_props, pc_compat_6_0, pc_compat_6_0_len);
478 }
479 
480 DEFINE_Q35_MACHINE(v6_0, "pc-q35-6.0", NULL,
481                    pc_q35_6_0_machine_options);
482 
483 static void pc_q35_5_2_machine_options(MachineClass *m)
484 {
485     pc_q35_6_0_machine_options(m);
486     compat_props_add(m->compat_props, hw_compat_5_2, hw_compat_5_2_len);
487     compat_props_add(m->compat_props, pc_compat_5_2, pc_compat_5_2_len);
488 }
489 
490 DEFINE_Q35_MACHINE(v5_2, "pc-q35-5.2", NULL,
491                    pc_q35_5_2_machine_options);
492 
493 static void pc_q35_5_1_machine_options(MachineClass *m)
494 {
495     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
496 
497     pc_q35_5_2_machine_options(m);
498     compat_props_add(m->compat_props, hw_compat_5_1, hw_compat_5_1_len);
499     compat_props_add(m->compat_props, pc_compat_5_1, pc_compat_5_1_len);
500     pcmc->kvmclock_create_always = false;
501     pcmc->pci_root_uid = 1;
502 }
503 
504 DEFINE_Q35_MACHINE(v5_1, "pc-q35-5.1", NULL,
505                    pc_q35_5_1_machine_options);
506 
507 static void pc_q35_5_0_machine_options(MachineClass *m)
508 {
509     pc_q35_5_1_machine_options(m);
510     m->numa_mem_supported = true;
511     compat_props_add(m->compat_props, hw_compat_5_0, hw_compat_5_0_len);
512     compat_props_add(m->compat_props, pc_compat_5_0, pc_compat_5_0_len);
513     m->auto_enable_numa_with_memdev = false;
514 }
515 
516 DEFINE_Q35_MACHINE(v5_0, "pc-q35-5.0", NULL,
517                    pc_q35_5_0_machine_options);
518 
519 static void pc_q35_4_2_machine_options(MachineClass *m)
520 {
521     pc_q35_5_0_machine_options(m);
522     compat_props_add(m->compat_props, hw_compat_4_2, hw_compat_4_2_len);
523     compat_props_add(m->compat_props, pc_compat_4_2, pc_compat_4_2_len);
524 }
525 
526 DEFINE_Q35_MACHINE(v4_2, "pc-q35-4.2", NULL,
527                    pc_q35_4_2_machine_options);
528 
529 static void pc_q35_4_1_machine_options(MachineClass *m)
530 {
531     pc_q35_4_2_machine_options(m);
532     compat_props_add(m->compat_props, hw_compat_4_1, hw_compat_4_1_len);
533     compat_props_add(m->compat_props, pc_compat_4_1, pc_compat_4_1_len);
534 }
535 
536 DEFINE_Q35_MACHINE(v4_1, "pc-q35-4.1", NULL,
537                    pc_q35_4_1_machine_options);
538 
539 static void pc_q35_4_0_1_machine_options(MachineClass *m)
540 {
541     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
542     pc_q35_4_1_machine_options(m);
543     pcmc->default_cpu_version = CPU_VERSION_LEGACY;
544     /*
545      * This is the default machine for the 4.0-stable branch. It is basically
546      * a 4.0 that doesn't use split irqchip by default. It MUST hence apply the
547      * 4.0 compat props.
548      */
549     compat_props_add(m->compat_props, hw_compat_4_0, hw_compat_4_0_len);
550     compat_props_add(m->compat_props, pc_compat_4_0, pc_compat_4_0_len);
551 }
552 
553 DEFINE_Q35_MACHINE(v4_0_1, "pc-q35-4.0.1", NULL,
554                    pc_q35_4_0_1_machine_options);
555 
556 static void pc_q35_4_0_machine_options(MachineClass *m)
557 {
558     pc_q35_4_0_1_machine_options(m);
559     m->default_kernel_irqchip_split = true;
560     /* Compat props are applied by the 4.0.1 machine */
561 }
562 
563 DEFINE_Q35_MACHINE(v4_0, "pc-q35-4.0", NULL,
564                    pc_q35_4_0_machine_options);
565 
566 static void pc_q35_3_1_machine_options(MachineClass *m)
567 {
568     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
569 
570     pc_q35_4_0_machine_options(m);
571     m->default_kernel_irqchip_split = false;
572     m->smbus_no_migration_support = true;
573     pcmc->pvh_enabled = false;
574     compat_props_add(m->compat_props, hw_compat_3_1, hw_compat_3_1_len);
575     compat_props_add(m->compat_props, pc_compat_3_1, pc_compat_3_1_len);
576 }
577 
578 DEFINE_Q35_MACHINE(v3_1, "pc-q35-3.1", NULL,
579                    pc_q35_3_1_machine_options);
580 
581 static void pc_q35_3_0_machine_options(MachineClass *m)
582 {
583     pc_q35_3_1_machine_options(m);
584     compat_props_add(m->compat_props, hw_compat_3_0, hw_compat_3_0_len);
585     compat_props_add(m->compat_props, pc_compat_3_0, pc_compat_3_0_len);
586 }
587 
588 DEFINE_Q35_MACHINE(v3_0, "pc-q35-3.0", NULL,
589                     pc_q35_3_0_machine_options);
590 
591 static void pc_q35_2_12_machine_options(MachineClass *m)
592 {
593     pc_q35_3_0_machine_options(m);
594     compat_props_add(m->compat_props, hw_compat_2_12, hw_compat_2_12_len);
595     compat_props_add(m->compat_props, pc_compat_2_12, pc_compat_2_12_len);
596 }
597 
598 DEFINE_Q35_MACHINE(v2_12, "pc-q35-2.12", NULL,
599                    pc_q35_2_12_machine_options);
600 
601 static void pc_q35_2_11_machine_options(MachineClass *m)
602 {
603     pc_q35_2_12_machine_options(m);
604     m->default_nic = "e1000";
605     compat_props_add(m->compat_props, hw_compat_2_11, hw_compat_2_11_len);
606     compat_props_add(m->compat_props, pc_compat_2_11, pc_compat_2_11_len);
607 }
608 
609 DEFINE_Q35_MACHINE(v2_11, "pc-q35-2.11", NULL,
610                    pc_q35_2_11_machine_options);
611 
612 static void pc_q35_2_10_machine_options(MachineClass *m)
613 {
614     pc_q35_2_11_machine_options(m);
615     compat_props_add(m->compat_props, hw_compat_2_10, hw_compat_2_10_len);
616     compat_props_add(m->compat_props, pc_compat_2_10, pc_compat_2_10_len);
617     m->auto_enable_numa_with_memhp = false;
618 }
619 
620 DEFINE_Q35_MACHINE(v2_10, "pc-q35-2.10", NULL,
621                    pc_q35_2_10_machine_options);
622 
623 static void pc_q35_2_9_machine_options(MachineClass *m)
624 {
625     pc_q35_2_10_machine_options(m);
626     compat_props_add(m->compat_props, hw_compat_2_9, hw_compat_2_9_len);
627     compat_props_add(m->compat_props, pc_compat_2_9, pc_compat_2_9_len);
628 }
629 
630 DEFINE_Q35_MACHINE(v2_9, "pc-q35-2.9", NULL,
631                    pc_q35_2_9_machine_options);
632 
633 static void pc_q35_2_8_machine_options(MachineClass *m)
634 {
635     pc_q35_2_9_machine_options(m);
636     compat_props_add(m->compat_props, hw_compat_2_8, hw_compat_2_8_len);
637     compat_props_add(m->compat_props, pc_compat_2_8, pc_compat_2_8_len);
638 }
639 
640 DEFINE_Q35_MACHINE(v2_8, "pc-q35-2.8", NULL,
641                    pc_q35_2_8_machine_options);
642 
643 static void pc_q35_2_7_machine_options(MachineClass *m)
644 {
645     pc_q35_2_8_machine_options(m);
646     m->max_cpus = 255;
647     compat_props_add(m->compat_props, hw_compat_2_7, hw_compat_2_7_len);
648     compat_props_add(m->compat_props, pc_compat_2_7, pc_compat_2_7_len);
649 }
650 
651 DEFINE_Q35_MACHINE(v2_7, "pc-q35-2.7", NULL,
652                    pc_q35_2_7_machine_options);
653 
654 static void pc_q35_2_6_machine_options(MachineClass *m)
655 {
656     X86MachineClass *x86mc = X86_MACHINE_CLASS(m);
657     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
658 
659     pc_q35_2_7_machine_options(m);
660     pcmc->legacy_cpu_hotplug = true;
661     x86mc->fwcfg_dma_enabled = false;
662     compat_props_add(m->compat_props, hw_compat_2_6, hw_compat_2_6_len);
663     compat_props_add(m->compat_props, pc_compat_2_6, pc_compat_2_6_len);
664 }
665 
666 DEFINE_Q35_MACHINE(v2_6, "pc-q35-2.6", NULL,
667                    pc_q35_2_6_machine_options);
668 
669 static void pc_q35_2_5_machine_options(MachineClass *m)
670 {
671     X86MachineClass *x86mc = X86_MACHINE_CLASS(m);
672 
673     pc_q35_2_6_machine_options(m);
674     x86mc->save_tsc_khz = false;
675     m->legacy_fw_cfg_order = 1;
676     compat_props_add(m->compat_props, hw_compat_2_5, hw_compat_2_5_len);
677     compat_props_add(m->compat_props, pc_compat_2_5, pc_compat_2_5_len);
678 }
679 
680 DEFINE_Q35_MACHINE(v2_5, "pc-q35-2.5", NULL,
681                    pc_q35_2_5_machine_options);
682 
683 static void pc_q35_2_4_machine_options(MachineClass *m)
684 {
685     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
686 
687     pc_q35_2_5_machine_options(m);
688     m->hw_version = "2.4.0";
689     pcmc->broken_reserved_end = true;
690     compat_props_add(m->compat_props, hw_compat_2_4, hw_compat_2_4_len);
691     compat_props_add(m->compat_props, pc_compat_2_4, pc_compat_2_4_len);
692 }
693 
694 DEFINE_Q35_MACHINE(v2_4, "pc-q35-2.4", NULL,
695                    pc_q35_2_4_machine_options);
696