xref: /openbmc/qemu/hw/i386/pc_q35.c (revision c0ce7b4a)
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/char/parallel-isa.h"
34 #include "hw/loader.h"
35 #include "hw/i2c/smbus_eeprom.h"
36 #include "hw/rtc/mc146818rtc.h"
37 #include "sysemu/kvm.h"
38 #include "hw/kvm/clock.h"
39 #include "hw/pci-host/q35.h"
40 #include "hw/pci/pcie_port.h"
41 #include "hw/qdev-properties.h"
42 #include "hw/i386/x86.h"
43 #include "hw/i386/pc.h"
44 #include "hw/i386/amd_iommu.h"
45 #include "hw/i386/intel_iommu.h"
46 #include "hw/display/ramfb.h"
47 #include "hw/firmware/smbios.h"
48 #include "hw/ide/pci.h"
49 #include "hw/ide/ahci.h"
50 #include "hw/intc/ioapic.h"
51 #include "hw/southbridge/ich9.h"
52 #include "hw/usb.h"
53 #include "hw/usb/hcd-uhci.h"
54 #include "qapi/error.h"
55 #include "qemu/error-report.h"
56 #include "sysemu/numa.h"
57 #include "hw/hyperv/vmbus-bridge.h"
58 #include "hw/mem/nvdimm.h"
59 #include "hw/i386/acpi-build.h"
60 
61 /* ICH9 AHCI has 6 ports */
62 #define MAX_SATA_PORTS     6
63 
64 struct ehci_companions {
65     const char *name;
66     int func;
67     int port;
68 };
69 
70 static const struct ehci_companions ich9_1d[] = {
71     { .name = TYPE_ICH9_USB_UHCI(1), .func = 0, .port = 0 },
72     { .name = TYPE_ICH9_USB_UHCI(2), .func = 1, .port = 2 },
73     { .name = TYPE_ICH9_USB_UHCI(3), .func = 2, .port = 4 },
74 };
75 
76 static const struct ehci_companions ich9_1a[] = {
77     { .name = TYPE_ICH9_USB_UHCI(4), .func = 0, .port = 0 },
78     { .name = TYPE_ICH9_USB_UHCI(5), .func = 1, .port = 2 },
79     { .name = TYPE_ICH9_USB_UHCI(6), .func = 2, .port = 4 },
80 };
81 
82 static int ehci_create_ich9_with_companions(PCIBus *bus, int slot)
83 {
84     const struct ehci_companions *comp;
85     PCIDevice *ehci, *uhci;
86     BusState *usbbus;
87     const char *name;
88     int i;
89 
90     switch (slot) {
91     case 0x1d:
92         name = "ich9-usb-ehci1";
93         comp = ich9_1d;
94         break;
95     case 0x1a:
96         name = "ich9-usb-ehci2";
97         comp = ich9_1a;
98         break;
99     default:
100         return -1;
101     }
102 
103     ehci = pci_new_multifunction(PCI_DEVFN(slot, 7), name);
104     pci_realize_and_unref(ehci, bus, &error_fatal);
105     usbbus = QLIST_FIRST(&ehci->qdev.child_bus);
106 
107     for (i = 0; i < 3; i++) {
108         uhci = pci_new_multifunction(PCI_DEVFN(slot, comp[i].func),
109                                      comp[i].name);
110         qdev_prop_set_string(&uhci->qdev, "masterbus", usbbus->name);
111         qdev_prop_set_uint32(&uhci->qdev, "firstport", comp[i].port);
112         pci_realize_and_unref(uhci, bus, &error_fatal);
113     }
114     return 0;
115 }
116 
117 /* PC hardware initialisation */
118 static void pc_q35_init(MachineState *machine)
119 {
120     PCMachineState *pcms = PC_MACHINE(machine);
121     PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms);
122     X86MachineState *x86ms = X86_MACHINE(machine);
123     Object *phb;
124     PCIBus *host_bus;
125     PCIDevice *lpc;
126     DeviceState *lpc_dev;
127     BusState *idebus[MAX_SATA_PORTS];
128     ISADevice *rtc_state;
129     MemoryRegion *system_memory = get_system_memory();
130     MemoryRegion *system_io = get_system_io();
131     MemoryRegion *pci_memory;
132     MemoryRegion *rom_memory;
133     GSIState *gsi_state;
134     ISABus *isa_bus;
135     int i;
136     PCIDevice *ahci;
137     ram_addr_t lowmem;
138     DriveInfo *hd[MAX_SATA_PORTS];
139     MachineClass *mc = MACHINE_GET_CLASS(machine);
140     bool acpi_pcihp;
141     bool keep_pci_slot_hpc;
142     uint64_t pci_hole64_size = 0;
143 
144     /* Check whether RAM fits below 4G (leaving 1/2 GByte for IO memory
145      * and 256 Mbytes for PCI Express Enhanced Configuration Access Mapping
146      * also known as MMCFG).
147      * If it doesn't, we need to split it in chunks below and above 4G.
148      * In any case, try to make sure that guest addresses aligned at
149      * 1G boundaries get mapped to host addresses aligned at 1G boundaries.
150      */
151     if (machine->ram_size >= 0xb0000000) {
152         lowmem = 0x80000000;
153     } else {
154         lowmem = 0xb0000000;
155     }
156 
157     /* Handle the machine opt max-ram-below-4g.  It is basically doing
158      * min(qemu limit, user limit).
159      */
160     if (!pcms->max_ram_below_4g) {
161         pcms->max_ram_below_4g = 4 * GiB;
162     }
163     if (lowmem > pcms->max_ram_below_4g) {
164         lowmem = pcms->max_ram_below_4g;
165         if (machine->ram_size - lowmem > lowmem &&
166             lowmem & (1 * GiB - 1)) {
167             warn_report("There is possibly poor performance as the ram size "
168                         " (0x%" PRIx64 ") is more then twice the size of"
169                         " max-ram-below-4g (%"PRIu64") and"
170                         " max-ram-below-4g is not a multiple of 1G.",
171                         (uint64_t)machine->ram_size, pcms->max_ram_below_4g);
172         }
173     }
174 
175     if (machine->ram_size >= lowmem) {
176         x86ms->above_4g_mem_size = machine->ram_size - lowmem;
177         x86ms->below_4g_mem_size = lowmem;
178     } else {
179         x86ms->above_4g_mem_size = 0;
180         x86ms->below_4g_mem_size = machine->ram_size;
181     }
182 
183     pc_machine_init_sgx_epc(pcms);
184     x86_cpus_init(x86ms, pcmc->default_cpu_version);
185 
186     kvmclock_create(pcmc->kvmclock_create_always);
187 
188     /* pci enabled */
189     if (pcmc->pci_enabled) {
190         pci_memory = g_new(MemoryRegion, 1);
191         memory_region_init(pci_memory, NULL, "pci", UINT64_MAX);
192         rom_memory = pci_memory;
193     } else {
194         pci_memory = NULL;
195         rom_memory = system_memory;
196     }
197 
198     pc_guest_info_init(pcms);
199 
200     if (pcmc->smbios_defaults) {
201         /* These values are guest ABI, do not change */
202         smbios_set_defaults("QEMU", mc->desc,
203                             mc->name, pcmc->smbios_legacy_mode,
204                             pcmc->smbios_uuid_encoded,
205                             pcms->smbios_entry_point_type);
206     }
207 
208     /* create pci host bus */
209     phb = OBJECT(qdev_new(TYPE_Q35_HOST_DEVICE));
210 
211     if (pcmc->pci_enabled) {
212         pci_hole64_size = object_property_get_uint(phb,
213                                                    PCI_HOST_PROP_PCI_HOLE64_SIZE,
214                                                    &error_abort);
215     }
216 
217     /* allocate ram and load rom/bios */
218     pc_memory_init(pcms, system_memory, rom_memory, pci_hole64_size);
219 
220     object_property_add_child(OBJECT(machine), "q35", phb);
221     object_property_set_link(phb, PCI_HOST_PROP_RAM_MEM,
222                              OBJECT(machine->ram), NULL);
223     object_property_set_link(phb, PCI_HOST_PROP_PCI_MEM,
224                              OBJECT(pci_memory), NULL);
225     object_property_set_link(phb, PCI_HOST_PROP_SYSTEM_MEM,
226                              OBJECT(system_memory), NULL);
227     object_property_set_link(phb, PCI_HOST_PROP_IO_MEM,
228                              OBJECT(system_io), NULL);
229     object_property_set_int(phb, PCI_HOST_BELOW_4G_MEM_SIZE,
230                             x86ms->below_4g_mem_size, NULL);
231     object_property_set_int(phb, PCI_HOST_ABOVE_4G_MEM_SIZE,
232                             x86ms->above_4g_mem_size, NULL);
233     object_property_set_bool(phb, PCI_HOST_BYPASS_IOMMU,
234                              pcms->default_bus_bypass_iommu, NULL);
235     sysbus_realize_and_unref(SYS_BUS_DEVICE(phb), &error_fatal);
236 
237     /* pci */
238     host_bus = PCI_BUS(qdev_get_child_bus(DEVICE(phb), "pcie.0"));
239     pcms->bus = host_bus;
240 
241     /* create ISA bus */
242     lpc = pci_new_multifunction(PCI_DEVFN(ICH9_LPC_DEV, ICH9_LPC_FUNC),
243                                 TYPE_ICH9_LPC_DEVICE);
244     qdev_prop_set_bit(DEVICE(lpc), "smm-enabled",
245                       x86_machine_is_smm_enabled(x86ms));
246     pci_realize_and_unref(lpc, host_bus, &error_fatal);
247 
248     rtc_state = ISA_DEVICE(object_resolve_path_component(OBJECT(lpc), "rtc"));
249 
250     object_property_add_link(OBJECT(machine), PC_MACHINE_ACPI_DEVICE_PROP,
251                              TYPE_HOTPLUG_HANDLER,
252                              (Object **)&x86ms->acpi_dev,
253                              object_property_allow_set_link,
254                              OBJ_PROP_LINK_STRONG);
255     object_property_set_link(OBJECT(machine), PC_MACHINE_ACPI_DEVICE_PROP,
256                              OBJECT(lpc), &error_abort);
257 
258     acpi_pcihp = object_property_get_bool(OBJECT(lpc),
259                                           ACPI_PM_PROP_ACPI_PCIHP_BRIDGE,
260                                           NULL);
261 
262     keep_pci_slot_hpc = object_property_get_bool(OBJECT(lpc),
263                                                  "x-keep-pci-slot-hpc",
264                                                  NULL);
265 
266     if (!keep_pci_slot_hpc && acpi_pcihp) {
267         object_register_sugar_prop(TYPE_PCIE_SLOT,
268                                    "x-do-not-expose-native-hotplug-cap",
269                                    "true", true);
270     }
271 
272     /* irq lines */
273     gsi_state = pc_gsi_create(&x86ms->gsi, pcmc->pci_enabled);
274 
275     lpc_dev = DEVICE(lpc);
276     for (i = 0; i < IOAPIC_NUM_PINS; i++) {
277         qdev_connect_gpio_out_named(lpc_dev, ICH9_GPIO_GSI, i, x86ms->gsi[i]);
278     }
279     isa_bus = ISA_BUS(qdev_get_child_bus(lpc_dev, "isa.0"));
280 
281     if (x86ms->pic == ON_OFF_AUTO_ON || x86ms->pic == ON_OFF_AUTO_AUTO) {
282         pc_i8259_create(isa_bus, gsi_state->i8259_irq);
283     }
284 
285     if (pcmc->pci_enabled) {
286         ioapic_init_gsi(gsi_state, "q35");
287     }
288 
289     if (tcg_enabled()) {
290         x86_register_ferr_irq(x86ms->gsi[13]);
291     }
292 
293     assert(pcms->vmport != ON_OFF_AUTO__MAX);
294     if (pcms->vmport == ON_OFF_AUTO_AUTO) {
295         pcms->vmport = ON_OFF_AUTO_ON;
296     }
297 
298     /* init basic PC hardware */
299     pc_basic_device_init(pcms, isa_bus, x86ms->gsi, rtc_state, !mc->no_floppy,
300                          0xff0104);
301 
302     if (pcms->sata_enabled) {
303         /* ahci and SATA device, for q35 1 ahci controller is built-in */
304         ahci = pci_create_simple_multifunction(host_bus,
305                                                PCI_DEVFN(ICH9_SATA1_DEV,
306                                                          ICH9_SATA1_FUNC),
307                                                "ich9-ahci");
308         idebus[0] = qdev_get_child_bus(&ahci->qdev, "ide.0");
309         idebus[1] = qdev_get_child_bus(&ahci->qdev, "ide.1");
310         g_assert(MAX_SATA_PORTS == ahci_get_num_ports(ahci));
311         ide_drive_get(hd, ahci_get_num_ports(ahci));
312         ahci_ide_create_devs(ahci, hd);
313     } else {
314         idebus[0] = idebus[1] = NULL;
315     }
316 
317     if (machine_usb(machine)) {
318         /* Should we create 6 UHCI according to ich9 spec? */
319         ehci_create_ich9_with_companions(host_bus, 0x1d);
320     }
321 
322     if (pcms->smbus_enabled) {
323         PCIDevice *smb;
324 
325         /* TODO: Populate SPD eeprom data.  */
326         smb = pci_create_simple_multifunction(host_bus,
327                                               PCI_DEVFN(ICH9_SMB_DEV,
328                                                         ICH9_SMB_FUNC),
329                                               TYPE_ICH9_SMB_DEVICE);
330         pcms->smbus = I2C_BUS(qdev_get_child_bus(DEVICE(smb), "i2c"));
331 
332         smbus_eeprom_init(pcms->smbus, 8, NULL, 0);
333     }
334 
335     pc_cmos_init(pcms, idebus[0], idebus[1], rtc_state);
336 
337     /* the rest devices to which pci devfn is automatically assigned */
338     pc_vga_init(isa_bus, host_bus);
339     pc_nic_init(pcmc, isa_bus, host_bus);
340 
341     if (machine->nvdimms_state->is_enabled) {
342         nvdimm_init_acpi_state(machine->nvdimms_state, system_io,
343                                x86_nvdimm_acpi_dsmio,
344                                x86ms->fw_cfg, OBJECT(pcms));
345     }
346 }
347 
348 #define DEFINE_Q35_MACHINE(suffix, name, compatfn, optionfn) \
349     static void pc_init_##suffix(MachineState *machine) \
350     { \
351         void (*compat)(MachineState *m) = (compatfn); \
352         if (compat) { \
353             compat(machine); \
354         } \
355         pc_q35_init(machine); \
356     } \
357     DEFINE_PC_MACHINE(suffix, name, pc_init_##suffix, optionfn)
358 
359 
360 static void pc_q35_machine_options(MachineClass *m)
361 {
362     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
363     pcmc->pci_root_uid = 0;
364     pcmc->default_cpu_version = 1;
365 
366     m->family = "pc_q35";
367     m->desc = "Standard PC (Q35 + ICH9, 2009)";
368     m->units_per_default_bus = 1;
369     m->default_machine_opts = "firmware=bios-256k.bin";
370     m->default_display = "std";
371     m->default_nic = "e1000e";
372     m->default_kernel_irqchip_split = false;
373     m->no_floppy = 1;
374     m->max_cpus = 1024;
375     m->no_parallel = !module_object_class_by_name(TYPE_ISA_PARALLEL);
376     machine_class_allow_dynamic_sysbus_dev(m, TYPE_AMD_IOMMU_DEVICE);
377     machine_class_allow_dynamic_sysbus_dev(m, TYPE_INTEL_IOMMU_DEVICE);
378     machine_class_allow_dynamic_sysbus_dev(m, TYPE_RAMFB_DEVICE);
379     machine_class_allow_dynamic_sysbus_dev(m, TYPE_VMBUS_BRIDGE);
380 }
381 
382 static void pc_q35_8_1_machine_options(MachineClass *m)
383 {
384     pc_q35_machine_options(m);
385     m->alias = "q35";
386 }
387 
388 DEFINE_Q35_MACHINE(v8_1, "pc-q35-8.1", NULL,
389                    pc_q35_8_1_machine_options);
390 
391 static void pc_q35_8_0_machine_options(MachineClass *m)
392 {
393     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
394 
395     pc_q35_8_1_machine_options(m);
396     m->alias = NULL;
397     compat_props_add(m->compat_props, hw_compat_8_0, hw_compat_8_0_len);
398     compat_props_add(m->compat_props, pc_compat_8_0, pc_compat_8_0_len);
399 
400     /* For pc-q35-8.0 and older, use SMBIOS 2.8 by default */
401     pcmc->default_smbios_ep_type = SMBIOS_ENTRY_POINT_TYPE_32;
402     m->max_cpus = 288;
403 }
404 
405 DEFINE_Q35_MACHINE(v8_0, "pc-q35-8.0", NULL,
406                    pc_q35_8_0_machine_options);
407 
408 static void pc_q35_7_2_machine_options(MachineClass *m)
409 {
410     pc_q35_8_0_machine_options(m);
411     compat_props_add(m->compat_props, hw_compat_7_2, hw_compat_7_2_len);
412     compat_props_add(m->compat_props, pc_compat_7_2, pc_compat_7_2_len);
413 }
414 
415 DEFINE_Q35_MACHINE(v7_2, "pc-q35-7.2", NULL,
416                    pc_q35_7_2_machine_options);
417 
418 static void pc_q35_7_1_machine_options(MachineClass *m)
419 {
420     pc_q35_7_2_machine_options(m);
421     compat_props_add(m->compat_props, hw_compat_7_1, hw_compat_7_1_len);
422     compat_props_add(m->compat_props, pc_compat_7_1, pc_compat_7_1_len);
423 }
424 
425 DEFINE_Q35_MACHINE(v7_1, "pc-q35-7.1", NULL,
426                    pc_q35_7_1_machine_options);
427 
428 static void pc_q35_7_0_machine_options(MachineClass *m)
429 {
430     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
431     pc_q35_7_1_machine_options(m);
432     pcmc->enforce_amd_1tb_hole = false;
433     compat_props_add(m->compat_props, hw_compat_7_0, hw_compat_7_0_len);
434     compat_props_add(m->compat_props, pc_compat_7_0, pc_compat_7_0_len);
435 }
436 
437 DEFINE_Q35_MACHINE(v7_0, "pc-q35-7.0", NULL,
438                    pc_q35_7_0_machine_options);
439 
440 static void pc_q35_6_2_machine_options(MachineClass *m)
441 {
442     pc_q35_7_0_machine_options(m);
443     compat_props_add(m->compat_props, hw_compat_6_2, hw_compat_6_2_len);
444     compat_props_add(m->compat_props, pc_compat_6_2, pc_compat_6_2_len);
445 }
446 
447 DEFINE_Q35_MACHINE(v6_2, "pc-q35-6.2", NULL,
448                    pc_q35_6_2_machine_options);
449 
450 static void pc_q35_6_1_machine_options(MachineClass *m)
451 {
452     pc_q35_6_2_machine_options(m);
453     compat_props_add(m->compat_props, hw_compat_6_1, hw_compat_6_1_len);
454     compat_props_add(m->compat_props, pc_compat_6_1, pc_compat_6_1_len);
455     m->smp_props.prefer_sockets = true;
456 }
457 
458 DEFINE_Q35_MACHINE(v6_1, "pc-q35-6.1", NULL,
459                    pc_q35_6_1_machine_options);
460 
461 static void pc_q35_6_0_machine_options(MachineClass *m)
462 {
463     pc_q35_6_1_machine_options(m);
464     compat_props_add(m->compat_props, hw_compat_6_0, hw_compat_6_0_len);
465     compat_props_add(m->compat_props, pc_compat_6_0, pc_compat_6_0_len);
466 }
467 
468 DEFINE_Q35_MACHINE(v6_0, "pc-q35-6.0", NULL,
469                    pc_q35_6_0_machine_options);
470 
471 static void pc_q35_5_2_machine_options(MachineClass *m)
472 {
473     pc_q35_6_0_machine_options(m);
474     compat_props_add(m->compat_props, hw_compat_5_2, hw_compat_5_2_len);
475     compat_props_add(m->compat_props, pc_compat_5_2, pc_compat_5_2_len);
476 }
477 
478 DEFINE_Q35_MACHINE(v5_2, "pc-q35-5.2", NULL,
479                    pc_q35_5_2_machine_options);
480 
481 static void pc_q35_5_1_machine_options(MachineClass *m)
482 {
483     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
484 
485     pc_q35_5_2_machine_options(m);
486     compat_props_add(m->compat_props, hw_compat_5_1, hw_compat_5_1_len);
487     compat_props_add(m->compat_props, pc_compat_5_1, pc_compat_5_1_len);
488     pcmc->kvmclock_create_always = false;
489     pcmc->pci_root_uid = 1;
490 }
491 
492 DEFINE_Q35_MACHINE(v5_1, "pc-q35-5.1", NULL,
493                    pc_q35_5_1_machine_options);
494 
495 static void pc_q35_5_0_machine_options(MachineClass *m)
496 {
497     pc_q35_5_1_machine_options(m);
498     m->numa_mem_supported = true;
499     compat_props_add(m->compat_props, hw_compat_5_0, hw_compat_5_0_len);
500     compat_props_add(m->compat_props, pc_compat_5_0, pc_compat_5_0_len);
501     m->auto_enable_numa_with_memdev = false;
502 }
503 
504 DEFINE_Q35_MACHINE(v5_0, "pc-q35-5.0", NULL,
505                    pc_q35_5_0_machine_options);
506 
507 static void pc_q35_4_2_machine_options(MachineClass *m)
508 {
509     pc_q35_5_0_machine_options(m);
510     compat_props_add(m->compat_props, hw_compat_4_2, hw_compat_4_2_len);
511     compat_props_add(m->compat_props, pc_compat_4_2, pc_compat_4_2_len);
512 }
513 
514 DEFINE_Q35_MACHINE(v4_2, "pc-q35-4.2", NULL,
515                    pc_q35_4_2_machine_options);
516 
517 static void pc_q35_4_1_machine_options(MachineClass *m)
518 {
519     pc_q35_4_2_machine_options(m);
520     compat_props_add(m->compat_props, hw_compat_4_1, hw_compat_4_1_len);
521     compat_props_add(m->compat_props, pc_compat_4_1, pc_compat_4_1_len);
522 }
523 
524 DEFINE_Q35_MACHINE(v4_1, "pc-q35-4.1", NULL,
525                    pc_q35_4_1_machine_options);
526 
527 static void pc_q35_4_0_1_machine_options(MachineClass *m)
528 {
529     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
530     pc_q35_4_1_machine_options(m);
531     pcmc->default_cpu_version = CPU_VERSION_LEGACY;
532     /*
533      * This is the default machine for the 4.0-stable branch. It is basically
534      * a 4.0 that doesn't use split irqchip by default. It MUST hence apply the
535      * 4.0 compat props.
536      */
537     compat_props_add(m->compat_props, hw_compat_4_0, hw_compat_4_0_len);
538     compat_props_add(m->compat_props, pc_compat_4_0, pc_compat_4_0_len);
539 }
540 
541 DEFINE_Q35_MACHINE(v4_0_1, "pc-q35-4.0.1", NULL,
542                    pc_q35_4_0_1_machine_options);
543 
544 static void pc_q35_4_0_machine_options(MachineClass *m)
545 {
546     pc_q35_4_0_1_machine_options(m);
547     m->default_kernel_irqchip_split = true;
548     /* Compat props are applied by the 4.0.1 machine */
549 }
550 
551 DEFINE_Q35_MACHINE(v4_0, "pc-q35-4.0", NULL,
552                    pc_q35_4_0_machine_options);
553 
554 static void pc_q35_3_1_machine_options(MachineClass *m)
555 {
556     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
557 
558     pc_q35_4_0_machine_options(m);
559     m->default_kernel_irqchip_split = false;
560     m->smbus_no_migration_support = true;
561     pcmc->pvh_enabled = false;
562     compat_props_add(m->compat_props, hw_compat_3_1, hw_compat_3_1_len);
563     compat_props_add(m->compat_props, pc_compat_3_1, pc_compat_3_1_len);
564 }
565 
566 DEFINE_Q35_MACHINE(v3_1, "pc-q35-3.1", NULL,
567                    pc_q35_3_1_machine_options);
568 
569 static void pc_q35_3_0_machine_options(MachineClass *m)
570 {
571     pc_q35_3_1_machine_options(m);
572     compat_props_add(m->compat_props, hw_compat_3_0, hw_compat_3_0_len);
573     compat_props_add(m->compat_props, pc_compat_3_0, pc_compat_3_0_len);
574 }
575 
576 DEFINE_Q35_MACHINE(v3_0, "pc-q35-3.0", NULL,
577                     pc_q35_3_0_machine_options);
578 
579 static void pc_q35_2_12_machine_options(MachineClass *m)
580 {
581     pc_q35_3_0_machine_options(m);
582     compat_props_add(m->compat_props, hw_compat_2_12, hw_compat_2_12_len);
583     compat_props_add(m->compat_props, pc_compat_2_12, pc_compat_2_12_len);
584 }
585 
586 DEFINE_Q35_MACHINE(v2_12, "pc-q35-2.12", NULL,
587                    pc_q35_2_12_machine_options);
588 
589 static void pc_q35_2_11_machine_options(MachineClass *m)
590 {
591     pc_q35_2_12_machine_options(m);
592     m->default_nic = "e1000";
593     compat_props_add(m->compat_props, hw_compat_2_11, hw_compat_2_11_len);
594     compat_props_add(m->compat_props, pc_compat_2_11, pc_compat_2_11_len);
595 }
596 
597 DEFINE_Q35_MACHINE(v2_11, "pc-q35-2.11", NULL,
598                    pc_q35_2_11_machine_options);
599 
600 static void pc_q35_2_10_machine_options(MachineClass *m)
601 {
602     pc_q35_2_11_machine_options(m);
603     compat_props_add(m->compat_props, hw_compat_2_10, hw_compat_2_10_len);
604     compat_props_add(m->compat_props, pc_compat_2_10, pc_compat_2_10_len);
605     m->auto_enable_numa_with_memhp = false;
606 }
607 
608 DEFINE_Q35_MACHINE(v2_10, "pc-q35-2.10", NULL,
609                    pc_q35_2_10_machine_options);
610 
611 static void pc_q35_2_9_machine_options(MachineClass *m)
612 {
613     pc_q35_2_10_machine_options(m);
614     compat_props_add(m->compat_props, hw_compat_2_9, hw_compat_2_9_len);
615     compat_props_add(m->compat_props, pc_compat_2_9, pc_compat_2_9_len);
616 }
617 
618 DEFINE_Q35_MACHINE(v2_9, "pc-q35-2.9", NULL,
619                    pc_q35_2_9_machine_options);
620 
621 static void pc_q35_2_8_machine_options(MachineClass *m)
622 {
623     pc_q35_2_9_machine_options(m);
624     compat_props_add(m->compat_props, hw_compat_2_8, hw_compat_2_8_len);
625     compat_props_add(m->compat_props, pc_compat_2_8, pc_compat_2_8_len);
626 }
627 
628 DEFINE_Q35_MACHINE(v2_8, "pc-q35-2.8", NULL,
629                    pc_q35_2_8_machine_options);
630 
631 static void pc_q35_2_7_machine_options(MachineClass *m)
632 {
633     pc_q35_2_8_machine_options(m);
634     m->max_cpus = 255;
635     compat_props_add(m->compat_props, hw_compat_2_7, hw_compat_2_7_len);
636     compat_props_add(m->compat_props, pc_compat_2_7, pc_compat_2_7_len);
637 }
638 
639 DEFINE_Q35_MACHINE(v2_7, "pc-q35-2.7", NULL,
640                    pc_q35_2_7_machine_options);
641 
642 static void pc_q35_2_6_machine_options(MachineClass *m)
643 {
644     X86MachineClass *x86mc = X86_MACHINE_CLASS(m);
645     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
646 
647     pc_q35_2_7_machine_options(m);
648     pcmc->legacy_cpu_hotplug = true;
649     x86mc->fwcfg_dma_enabled = false;
650     compat_props_add(m->compat_props, hw_compat_2_6, hw_compat_2_6_len);
651     compat_props_add(m->compat_props, pc_compat_2_6, pc_compat_2_6_len);
652 }
653 
654 DEFINE_Q35_MACHINE(v2_6, "pc-q35-2.6", NULL,
655                    pc_q35_2_6_machine_options);
656 
657 static void pc_q35_2_5_machine_options(MachineClass *m)
658 {
659     X86MachineClass *x86mc = X86_MACHINE_CLASS(m);
660 
661     pc_q35_2_6_machine_options(m);
662     x86mc->save_tsc_khz = false;
663     m->legacy_fw_cfg_order = 1;
664     compat_props_add(m->compat_props, hw_compat_2_5, hw_compat_2_5_len);
665     compat_props_add(m->compat_props, pc_compat_2_5, pc_compat_2_5_len);
666 }
667 
668 DEFINE_Q35_MACHINE(v2_5, "pc-q35-2.5", NULL,
669                    pc_q35_2_5_machine_options);
670 
671 static void pc_q35_2_4_machine_options(MachineClass *m)
672 {
673     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
674 
675     pc_q35_2_5_machine_options(m);
676     m->hw_version = "2.4.0";
677     pcmc->broken_reserved_end = true;
678     compat_props_add(m->compat_props, hw_compat_2_4, hw_compat_2_4_len);
679     compat_props_add(m->compat_props, pc_compat_2_4, pc_compat_2_4_len);
680 }
681 
682 DEFINE_Q35_MACHINE(v2_4, "pc-q35-2.4", NULL,
683                    pc_q35_2_4_machine_options);
684