xref: /openbmc/qemu/hw/i386/pc_q35.c (revision ab0c7fb2)
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     object_property_set_bool(phb, PCI_HOST_PROP_SMM_RANGES,
223                              x86_machine_is_smm_enabled(x86ms), NULL);
224     sysbus_realize_and_unref(SYS_BUS_DEVICE(phb), &error_fatal);
225 
226     /* pci */
227     pcms->pcibus = PCI_BUS(qdev_get_child_bus(DEVICE(phb), "pcie.0"));
228 
229     /* irq lines */
230     gsi_state = pc_gsi_create(&x86ms->gsi, true);
231 
232     /* create ISA bus */
233     lpc = pci_new_multifunction(PCI_DEVFN(ICH9_LPC_DEV, ICH9_LPC_FUNC),
234                                 TYPE_ICH9_LPC_DEVICE);
235     lpc_dev = DEVICE(lpc);
236     qdev_prop_set_bit(lpc_dev, "smm-enabled",
237                       x86_machine_is_smm_enabled(x86ms));
238     for (i = 0; i < IOAPIC_NUM_PINS; i++) {
239         qdev_connect_gpio_out_named(lpc_dev, ICH9_GPIO_GSI, i, x86ms->gsi[i]);
240     }
241     pci_realize_and_unref(lpc, pcms->pcibus, &error_fatal);
242 
243     x86ms->rtc = ISA_DEVICE(object_resolve_path_component(OBJECT(lpc), "rtc"));
244 
245     object_property_add_link(OBJECT(machine), PC_MACHINE_ACPI_DEVICE_PROP,
246                              TYPE_HOTPLUG_HANDLER,
247                              (Object **)&x86ms->acpi_dev,
248                              object_property_allow_set_link,
249                              OBJ_PROP_LINK_STRONG);
250     object_property_set_link(OBJECT(machine), PC_MACHINE_ACPI_DEVICE_PROP,
251                              OBJECT(lpc), &error_abort);
252 
253     acpi_pcihp = object_property_get_bool(OBJECT(lpc),
254                                           ACPI_PM_PROP_ACPI_PCIHP_BRIDGE,
255                                           NULL);
256 
257     keep_pci_slot_hpc = object_property_get_bool(OBJECT(lpc),
258                                                  "x-keep-pci-slot-hpc",
259                                                  NULL);
260 
261     if (!keep_pci_slot_hpc && acpi_pcihp) {
262         object_register_sugar_prop(TYPE_PCIE_SLOT,
263                                    "x-do-not-expose-native-hotplug-cap",
264                                    "true", true);
265     }
266 
267     isa_bus = ISA_BUS(qdev_get_child_bus(lpc_dev, "isa.0"));
268 
269     if (x86ms->pic == ON_OFF_AUTO_ON || x86ms->pic == ON_OFF_AUTO_AUTO) {
270         pc_i8259_create(isa_bus, gsi_state->i8259_irq);
271     }
272 
273     ioapic_init_gsi(gsi_state, OBJECT(phb));
274 
275     if (tcg_enabled()) {
276         x86_register_ferr_irq(x86ms->gsi[13]);
277     }
278 
279     assert(pcms->vmport != ON_OFF_AUTO__MAX);
280     if (pcms->vmport == ON_OFF_AUTO_AUTO) {
281         pcms->vmport = ON_OFF_AUTO_ON;
282     }
283 
284     /* init basic PC hardware */
285     pc_basic_device_init(pcms, isa_bus, x86ms->gsi, x86ms->rtc, !mc->no_floppy,
286                          0xff0104);
287 
288     if (pcms->sata_enabled) {
289         PCIDevice *pdev;
290         AHCIPCIState *ich9;
291 
292         /* ahci and SATA device, for q35 1 ahci controller is built-in */
293         pdev = pci_create_simple_multifunction(pcms->pcibus,
294                                                PCI_DEVFN(ICH9_SATA1_DEV,
295                                                          ICH9_SATA1_FUNC),
296                                                "ich9-ahci");
297         ich9 = ICH9_AHCI(pdev);
298         pcms->idebus[0] = qdev_get_child_bus(DEVICE(pdev), "ide.0");
299         pcms->idebus[1] = qdev_get_child_bus(DEVICE(pdev), "ide.1");
300         g_assert(MAX_SATA_PORTS == ich9->ahci.ports);
301         ide_drive_get(hd, ich9->ahci.ports);
302         ahci_ide_create_devs(&ich9->ahci, hd);
303     }
304 
305     if (machine_usb(machine)) {
306         /* Should we create 6 UHCI according to ich9 spec? */
307         ehci_create_ich9_with_companions(pcms->pcibus, 0x1d);
308     }
309 
310     if (pcms->smbus_enabled) {
311         PCIDevice *smb;
312 
313         /* TODO: Populate SPD eeprom data.  */
314         smb = pci_create_simple_multifunction(pcms->pcibus,
315                                               PCI_DEVFN(ICH9_SMB_DEV,
316                                                         ICH9_SMB_FUNC),
317                                               TYPE_ICH9_SMB_DEVICE);
318         pcms->smbus = I2C_BUS(qdev_get_child_bus(DEVICE(smb), "i2c"));
319 
320         smbus_eeprom_init(pcms->smbus, 8, NULL, 0);
321     }
322 
323     /* the rest devices to which pci devfn is automatically assigned */
324     pc_vga_init(isa_bus, pcms->pcibus);
325     pc_nic_init(pcmc, isa_bus, pcms->pcibus);
326 
327     if (machine->nvdimms_state->is_enabled) {
328         nvdimm_init_acpi_state(machine->nvdimms_state, system_io,
329                                x86_nvdimm_acpi_dsmio,
330                                x86ms->fw_cfg, OBJECT(pcms));
331     }
332 }
333 
334 #define DEFINE_Q35_MACHINE(suffix, name, compatfn, optionfn) \
335     static void pc_init_##suffix(MachineState *machine) \
336     { \
337         void (*compat)(MachineState *m) = (compatfn); \
338         if (compat) { \
339             compat(machine); \
340         } \
341         pc_q35_init(machine); \
342     } \
343     DEFINE_PC_MACHINE(suffix, name, pc_init_##suffix, optionfn)
344 
345 
346 static void pc_q35_machine_options(MachineClass *m)
347 {
348     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
349     pcmc->pci_root_uid = 0;
350     pcmc->default_cpu_version = 1;
351 
352     m->family = "pc_q35";
353     m->desc = "Standard PC (Q35 + ICH9, 2009)";
354     m->units_per_default_bus = 1;
355     m->default_machine_opts = "firmware=bios-256k.bin";
356     m->default_display = "std";
357     m->default_nic = "e1000e";
358     m->default_kernel_irqchip_split = false;
359     m->no_floppy = 1;
360     m->max_cpus = 4096;
361     m->no_parallel = !module_object_class_by_name(TYPE_ISA_PARALLEL);
362     machine_class_allow_dynamic_sysbus_dev(m, TYPE_AMD_IOMMU_DEVICE);
363     machine_class_allow_dynamic_sysbus_dev(m, TYPE_INTEL_IOMMU_DEVICE);
364     machine_class_allow_dynamic_sysbus_dev(m, TYPE_RAMFB_DEVICE);
365     machine_class_allow_dynamic_sysbus_dev(m, TYPE_VMBUS_BRIDGE);
366     compat_props_add(m->compat_props,
367                      pc_q35_compat_defaults, pc_q35_compat_defaults_len);
368 }
369 
370 static void pc_q35_9_1_machine_options(MachineClass *m)
371 {
372     pc_q35_machine_options(m);
373     m->alias = "q35";
374 }
375 
376 DEFINE_Q35_MACHINE(v9_1, "pc-q35-9.1", NULL,
377                    pc_q35_9_1_machine_options);
378 
379 static void pc_q35_9_0_machine_options(MachineClass *m)
380 {
381     pc_q35_9_1_machine_options(m);
382     m->alias = NULL;
383     compat_props_add(m->compat_props, hw_compat_9_0, hw_compat_9_0_len);
384     compat_props_add(m->compat_props, pc_compat_9_0, pc_compat_9_0_len);
385 }
386 
387 DEFINE_Q35_MACHINE(v9_0, "pc-q35-9.0", NULL,
388                    pc_q35_9_0_machine_options);
389 
390 static void pc_q35_8_2_machine_options(MachineClass *m)
391 {
392     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
393     pc_q35_9_0_machine_options(m);
394     m->max_cpus = 1024;
395     compat_props_add(m->compat_props, hw_compat_8_2, hw_compat_8_2_len);
396     compat_props_add(m->compat_props, pc_compat_8_2, pc_compat_8_2_len);
397     /* For pc-q35-8.2 and 8.1, use SMBIOS 3.X by default */
398     pcmc->default_smbios_ep_type = SMBIOS_ENTRY_POINT_TYPE_64;
399 }
400 
401 DEFINE_Q35_MACHINE(v8_2, "pc-q35-8.2", NULL,
402                    pc_q35_8_2_machine_options);
403 
404 static void pc_q35_8_1_machine_options(MachineClass *m)
405 {
406     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
407     pc_q35_8_2_machine_options(m);
408     pcmc->broken_32bit_mem_addr_check = true;
409     compat_props_add(m->compat_props, hw_compat_8_1, hw_compat_8_1_len);
410     compat_props_add(m->compat_props, pc_compat_8_1, pc_compat_8_1_len);
411 }
412 
413 DEFINE_Q35_MACHINE(v8_1, "pc-q35-8.1", NULL,
414                    pc_q35_8_1_machine_options);
415 
416 static void pc_q35_8_0_machine_options(MachineClass *m)
417 {
418     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
419 
420     pc_q35_8_1_machine_options(m);
421     compat_props_add(m->compat_props, hw_compat_8_0, hw_compat_8_0_len);
422     compat_props_add(m->compat_props, pc_compat_8_0, pc_compat_8_0_len);
423 
424     /* For pc-q35-8.0 and older, use SMBIOS 2.8 by default */
425     pcmc->default_smbios_ep_type = SMBIOS_ENTRY_POINT_TYPE_32;
426     m->max_cpus = 288;
427 }
428 
429 DEFINE_Q35_MACHINE(v8_0, "pc-q35-8.0", NULL,
430                    pc_q35_8_0_machine_options);
431 
432 static void pc_q35_7_2_machine_options(MachineClass *m)
433 {
434     pc_q35_8_0_machine_options(m);
435     compat_props_add(m->compat_props, hw_compat_7_2, hw_compat_7_2_len);
436     compat_props_add(m->compat_props, pc_compat_7_2, pc_compat_7_2_len);
437 }
438 
439 DEFINE_Q35_MACHINE(v7_2, "pc-q35-7.2", NULL,
440                    pc_q35_7_2_machine_options);
441 
442 static void pc_q35_7_1_machine_options(MachineClass *m)
443 {
444     pc_q35_7_2_machine_options(m);
445     compat_props_add(m->compat_props, hw_compat_7_1, hw_compat_7_1_len);
446     compat_props_add(m->compat_props, pc_compat_7_1, pc_compat_7_1_len);
447 }
448 
449 DEFINE_Q35_MACHINE(v7_1, "pc-q35-7.1", NULL,
450                    pc_q35_7_1_machine_options);
451 
452 static void pc_q35_7_0_machine_options(MachineClass *m)
453 {
454     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
455     pc_q35_7_1_machine_options(m);
456     pcmc->enforce_amd_1tb_hole = false;
457     compat_props_add(m->compat_props, hw_compat_7_0, hw_compat_7_0_len);
458     compat_props_add(m->compat_props, pc_compat_7_0, pc_compat_7_0_len);
459 }
460 
461 DEFINE_Q35_MACHINE(v7_0, "pc-q35-7.0", NULL,
462                    pc_q35_7_0_machine_options);
463 
464 static void pc_q35_6_2_machine_options(MachineClass *m)
465 {
466     pc_q35_7_0_machine_options(m);
467     compat_props_add(m->compat_props, hw_compat_6_2, hw_compat_6_2_len);
468     compat_props_add(m->compat_props, pc_compat_6_2, pc_compat_6_2_len);
469 }
470 
471 DEFINE_Q35_MACHINE(v6_2, "pc-q35-6.2", NULL,
472                    pc_q35_6_2_machine_options);
473 
474 static void pc_q35_6_1_machine_options(MachineClass *m)
475 {
476     pc_q35_6_2_machine_options(m);
477     compat_props_add(m->compat_props, hw_compat_6_1, hw_compat_6_1_len);
478     compat_props_add(m->compat_props, pc_compat_6_1, pc_compat_6_1_len);
479     m->smp_props.prefer_sockets = true;
480 }
481 
482 DEFINE_Q35_MACHINE(v6_1, "pc-q35-6.1", NULL,
483                    pc_q35_6_1_machine_options);
484 
485 static void pc_q35_6_0_machine_options(MachineClass *m)
486 {
487     pc_q35_6_1_machine_options(m);
488     compat_props_add(m->compat_props, hw_compat_6_0, hw_compat_6_0_len);
489     compat_props_add(m->compat_props, pc_compat_6_0, pc_compat_6_0_len);
490 }
491 
492 DEFINE_Q35_MACHINE(v6_0, "pc-q35-6.0", NULL,
493                    pc_q35_6_0_machine_options);
494 
495 static void pc_q35_5_2_machine_options(MachineClass *m)
496 {
497     pc_q35_6_0_machine_options(m);
498     compat_props_add(m->compat_props, hw_compat_5_2, hw_compat_5_2_len);
499     compat_props_add(m->compat_props, pc_compat_5_2, pc_compat_5_2_len);
500 }
501 
502 DEFINE_Q35_MACHINE(v5_2, "pc-q35-5.2", NULL,
503                    pc_q35_5_2_machine_options);
504 
505 static void pc_q35_5_1_machine_options(MachineClass *m)
506 {
507     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
508 
509     pc_q35_5_2_machine_options(m);
510     compat_props_add(m->compat_props, hw_compat_5_1, hw_compat_5_1_len);
511     compat_props_add(m->compat_props, pc_compat_5_1, pc_compat_5_1_len);
512     pcmc->kvmclock_create_always = false;
513     pcmc->pci_root_uid = 1;
514 }
515 
516 DEFINE_Q35_MACHINE(v5_1, "pc-q35-5.1", NULL,
517                    pc_q35_5_1_machine_options);
518 
519 static void pc_q35_5_0_machine_options(MachineClass *m)
520 {
521     pc_q35_5_1_machine_options(m);
522     m->numa_mem_supported = true;
523     compat_props_add(m->compat_props, hw_compat_5_0, hw_compat_5_0_len);
524     compat_props_add(m->compat_props, pc_compat_5_0, pc_compat_5_0_len);
525     m->auto_enable_numa_with_memdev = false;
526 }
527 
528 DEFINE_Q35_MACHINE(v5_0, "pc-q35-5.0", NULL,
529                    pc_q35_5_0_machine_options);
530 
531 static void pc_q35_4_2_machine_options(MachineClass *m)
532 {
533     pc_q35_5_0_machine_options(m);
534     compat_props_add(m->compat_props, hw_compat_4_2, hw_compat_4_2_len);
535     compat_props_add(m->compat_props, pc_compat_4_2, pc_compat_4_2_len);
536 }
537 
538 DEFINE_Q35_MACHINE(v4_2, "pc-q35-4.2", NULL,
539                    pc_q35_4_2_machine_options);
540 
541 static void pc_q35_4_1_machine_options(MachineClass *m)
542 {
543     pc_q35_4_2_machine_options(m);
544     compat_props_add(m->compat_props, hw_compat_4_1, hw_compat_4_1_len);
545     compat_props_add(m->compat_props, pc_compat_4_1, pc_compat_4_1_len);
546 }
547 
548 DEFINE_Q35_MACHINE(v4_1, "pc-q35-4.1", NULL,
549                    pc_q35_4_1_machine_options);
550 
551 static void pc_q35_4_0_1_machine_options(MachineClass *m)
552 {
553     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
554     pc_q35_4_1_machine_options(m);
555     pcmc->default_cpu_version = CPU_VERSION_LEGACY;
556     /*
557      * This is the default machine for the 4.0-stable branch. It is basically
558      * a 4.0 that doesn't use split irqchip by default. It MUST hence apply the
559      * 4.0 compat props.
560      */
561     compat_props_add(m->compat_props, hw_compat_4_0, hw_compat_4_0_len);
562     compat_props_add(m->compat_props, pc_compat_4_0, pc_compat_4_0_len);
563 }
564 
565 DEFINE_Q35_MACHINE(v4_0_1, "pc-q35-4.0.1", NULL,
566                    pc_q35_4_0_1_machine_options);
567 
568 static void pc_q35_4_0_machine_options(MachineClass *m)
569 {
570     pc_q35_4_0_1_machine_options(m);
571     m->default_kernel_irqchip_split = true;
572     /* Compat props are applied by the 4.0.1 machine */
573 }
574 
575 DEFINE_Q35_MACHINE(v4_0, "pc-q35-4.0", NULL,
576                    pc_q35_4_0_machine_options);
577 
578 static void pc_q35_3_1_machine_options(MachineClass *m)
579 {
580     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
581 
582     pc_q35_4_0_machine_options(m);
583     m->default_kernel_irqchip_split = false;
584     m->smbus_no_migration_support = true;
585     pcmc->pvh_enabled = false;
586     compat_props_add(m->compat_props, hw_compat_3_1, hw_compat_3_1_len);
587     compat_props_add(m->compat_props, pc_compat_3_1, pc_compat_3_1_len);
588 }
589 
590 DEFINE_Q35_MACHINE(v3_1, "pc-q35-3.1", NULL,
591                    pc_q35_3_1_machine_options);
592 
593 static void pc_q35_3_0_machine_options(MachineClass *m)
594 {
595     pc_q35_3_1_machine_options(m);
596     compat_props_add(m->compat_props, hw_compat_3_0, hw_compat_3_0_len);
597     compat_props_add(m->compat_props, pc_compat_3_0, pc_compat_3_0_len);
598 }
599 
600 DEFINE_Q35_MACHINE(v3_0, "pc-q35-3.0", NULL,
601                     pc_q35_3_0_machine_options);
602 
603 static void pc_q35_2_12_machine_options(MachineClass *m)
604 {
605     pc_q35_3_0_machine_options(m);
606     compat_props_add(m->compat_props, hw_compat_2_12, hw_compat_2_12_len);
607     compat_props_add(m->compat_props, pc_compat_2_12, pc_compat_2_12_len);
608 }
609 
610 DEFINE_Q35_MACHINE(v2_12, "pc-q35-2.12", NULL,
611                    pc_q35_2_12_machine_options);
612 
613 static void pc_q35_2_11_machine_options(MachineClass *m)
614 {
615     pc_q35_2_12_machine_options(m);
616     m->default_nic = "e1000";
617     compat_props_add(m->compat_props, hw_compat_2_11, hw_compat_2_11_len);
618     compat_props_add(m->compat_props, pc_compat_2_11, pc_compat_2_11_len);
619 }
620 
621 DEFINE_Q35_MACHINE(v2_11, "pc-q35-2.11", NULL,
622                    pc_q35_2_11_machine_options);
623 
624 static void pc_q35_2_10_machine_options(MachineClass *m)
625 {
626     pc_q35_2_11_machine_options(m);
627     compat_props_add(m->compat_props, hw_compat_2_10, hw_compat_2_10_len);
628     compat_props_add(m->compat_props, pc_compat_2_10, pc_compat_2_10_len);
629     m->auto_enable_numa_with_memhp = false;
630 }
631 
632 DEFINE_Q35_MACHINE(v2_10, "pc-q35-2.10", NULL,
633                    pc_q35_2_10_machine_options);
634 
635 static void pc_q35_2_9_machine_options(MachineClass *m)
636 {
637     pc_q35_2_10_machine_options(m);
638     compat_props_add(m->compat_props, hw_compat_2_9, hw_compat_2_9_len);
639     compat_props_add(m->compat_props, pc_compat_2_9, pc_compat_2_9_len);
640 }
641 
642 DEFINE_Q35_MACHINE(v2_9, "pc-q35-2.9", NULL,
643                    pc_q35_2_9_machine_options);
644 
645 static void pc_q35_2_8_machine_options(MachineClass *m)
646 {
647     pc_q35_2_9_machine_options(m);
648     compat_props_add(m->compat_props, hw_compat_2_8, hw_compat_2_8_len);
649     compat_props_add(m->compat_props, pc_compat_2_8, pc_compat_2_8_len);
650 }
651 
652 DEFINE_Q35_MACHINE(v2_8, "pc-q35-2.8", NULL,
653                    pc_q35_2_8_machine_options);
654 
655 static void pc_q35_2_7_machine_options(MachineClass *m)
656 {
657     pc_q35_2_8_machine_options(m);
658     m->max_cpus = 255;
659     compat_props_add(m->compat_props, hw_compat_2_7, hw_compat_2_7_len);
660     compat_props_add(m->compat_props, pc_compat_2_7, pc_compat_2_7_len);
661 }
662 
663 DEFINE_Q35_MACHINE(v2_7, "pc-q35-2.7", NULL,
664                    pc_q35_2_7_machine_options);
665 
666 static void pc_q35_2_6_machine_options(MachineClass *m)
667 {
668     X86MachineClass *x86mc = X86_MACHINE_CLASS(m);
669     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
670 
671     pc_q35_2_7_machine_options(m);
672     pcmc->legacy_cpu_hotplug = true;
673     x86mc->fwcfg_dma_enabled = false;
674     compat_props_add(m->compat_props, hw_compat_2_6, hw_compat_2_6_len);
675     compat_props_add(m->compat_props, pc_compat_2_6, pc_compat_2_6_len);
676 }
677 
678 DEFINE_Q35_MACHINE(v2_6, "pc-q35-2.6", NULL,
679                    pc_q35_2_6_machine_options);
680 
681 static void pc_q35_2_5_machine_options(MachineClass *m)
682 {
683     X86MachineClass *x86mc = X86_MACHINE_CLASS(m);
684 
685     pc_q35_2_6_machine_options(m);
686     x86mc->save_tsc_khz = false;
687     m->legacy_fw_cfg_order = 1;
688     compat_props_add(m->compat_props, hw_compat_2_5, hw_compat_2_5_len);
689     compat_props_add(m->compat_props, pc_compat_2_5, pc_compat_2_5_len);
690 }
691 
692 DEFINE_Q35_MACHINE(v2_5, "pc-q35-2.5", NULL,
693                    pc_q35_2_5_machine_options);
694 
695 static void pc_q35_2_4_machine_options(MachineClass *m)
696 {
697     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
698 
699     pc_q35_2_5_machine_options(m);
700     m->hw_version = "2.4.0";
701     pcmc->broken_reserved_end = true;
702     compat_props_add(m->compat_props, hw_compat_2_4, hw_compat_2_4_len);
703     compat_props_add(m->compat_props, pc_compat_2_4, pc_compat_2_4_len);
704 }
705 
706 DEFINE_Q35_MACHINE(v2_4, "pc-q35-2.4", NULL,
707                    pc_q35_2_4_machine_options);
708