xref: /openbmc/qemu/hw/i386/pc_q35.c (revision c3a073c6)
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/loader.h"
34 #include "hw/i2c/smbus_eeprom.h"
35 #include "hw/rtc/mc146818rtc.h"
36 #include "sysemu/kvm.h"
37 #include "hw/kvm/clock.h"
38 #include "hw/pci-host/q35.h"
39 #include "hw/pci/pcie_port.h"
40 #include "hw/qdev-properties.h"
41 #include "hw/i386/x86.h"
42 #include "hw/i386/pc.h"
43 #include "hw/i386/ich9.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/usb.h"
51 #include "hw/usb/hcd-uhci.h"
52 #include "qapi/error.h"
53 #include "qemu/error-report.h"
54 #include "sysemu/numa.h"
55 #include "hw/hyperv/vmbus-bridge.h"
56 #include "hw/mem/nvdimm.h"
57 #include "hw/i386/acpi-build.h"
58 
59 /* ICH9 AHCI has 6 ports */
60 #define MAX_SATA_PORTS     6
61 
62 struct ehci_companions {
63     const char *name;
64     int func;
65     int port;
66 };
67 
68 static const struct ehci_companions ich9_1d[] = {
69     { .name = TYPE_ICH9_USB_UHCI(1), .func = 0, .port = 0 },
70     { .name = TYPE_ICH9_USB_UHCI(2), .func = 1, .port = 2 },
71     { .name = TYPE_ICH9_USB_UHCI(3), .func = 2, .port = 4 },
72 };
73 
74 static const struct ehci_companions ich9_1a[] = {
75     { .name = TYPE_ICH9_USB_UHCI(4), .func = 0, .port = 0 },
76     { .name = TYPE_ICH9_USB_UHCI(5), .func = 1, .port = 2 },
77     { .name = TYPE_ICH9_USB_UHCI(6), .func = 2, .port = 4 },
78 };
79 
80 static int ehci_create_ich9_with_companions(PCIBus *bus, int slot)
81 {
82     const struct ehci_companions *comp;
83     PCIDevice *ehci, *uhci;
84     BusState *usbbus;
85     const char *name;
86     int i;
87 
88     switch (slot) {
89     case 0x1d:
90         name = "ich9-usb-ehci1";
91         comp = ich9_1d;
92         break;
93     case 0x1a:
94         name = "ich9-usb-ehci2";
95         comp = ich9_1a;
96         break;
97     default:
98         return -1;
99     }
100 
101     ehci = pci_new_multifunction(PCI_DEVFN(slot, 7), true, name);
102     pci_realize_and_unref(ehci, bus, &error_fatal);
103     usbbus = QLIST_FIRST(&ehci->qdev.child_bus);
104 
105     for (i = 0; i < 3; i++) {
106         uhci = pci_new_multifunction(PCI_DEVFN(slot, comp[i].func), true,
107                                      comp[i].name);
108         qdev_prop_set_string(&uhci->qdev, "masterbus", usbbus->name);
109         qdev_prop_set_uint32(&uhci->qdev, "firstport", comp[i].port);
110         pci_realize_and_unref(uhci, bus, &error_fatal);
111     }
112     return 0;
113 }
114 
115 /* PC hardware initialisation */
116 static void pc_q35_init(MachineState *machine)
117 {
118     PCMachineState *pcms = PC_MACHINE(machine);
119     PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms);
120     X86MachineState *x86ms = X86_MACHINE(machine);
121     Q35PCIHost *q35_host;
122     PCIHostState *phb;
123     PCIBus *host_bus;
124     PCIDevice *lpc;
125     DeviceState *lpc_dev;
126     BusState *idebus[MAX_SATA_PORTS];
127     ISADevice *rtc_state;
128     MemoryRegion *system_io = get_system_io();
129     MemoryRegion *pci_memory;
130     MemoryRegion *rom_memory;
131     MemoryRegion *ram_memory;
132     GSIState *gsi_state;
133     ISABus *isa_bus;
134     int i;
135     ICH9LPCState *ich9_lpc;
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 = get_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", "Standard PC (Q35 + ICH9, 2009)",
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     q35_host = Q35_HOST_DEVICE(qdev_new(TYPE_Q35_HOST_DEVICE));
210 
211     if (pcmc->pci_enabled) {
212         pci_hole64_size = object_property_get_uint(OBJECT(q35_host),
213                                                    PCI_HOST_PROP_PCI_HOLE64_SIZE,
214                                                    &error_abort);
215     }
216 
217     /* allocate ram and load rom/bios */
218     pc_memory_init(pcms, get_system_memory(), rom_memory, &ram_memory,
219                    pci_hole64_size);
220 
221     object_property_add_child(qdev_get_machine(), "q35", OBJECT(q35_host));
222     object_property_set_link(OBJECT(q35_host), MCH_HOST_PROP_RAM_MEM,
223                              OBJECT(ram_memory), NULL);
224     object_property_set_link(OBJECT(q35_host), MCH_HOST_PROP_PCI_MEM,
225                              OBJECT(pci_memory), NULL);
226     object_property_set_link(OBJECT(q35_host), MCH_HOST_PROP_SYSTEM_MEM,
227                              OBJECT(get_system_memory()), NULL);
228     object_property_set_link(OBJECT(q35_host), MCH_HOST_PROP_IO_MEM,
229                              OBJECT(system_io), NULL);
230     object_property_set_int(OBJECT(q35_host), PCI_HOST_BELOW_4G_MEM_SIZE,
231                             x86ms->below_4g_mem_size, NULL);
232     object_property_set_int(OBJECT(q35_host), PCI_HOST_ABOVE_4G_MEM_SIZE,
233                             x86ms->above_4g_mem_size, NULL);
234     /* pci */
235     sysbus_realize_and_unref(SYS_BUS_DEVICE(q35_host), &error_fatal);
236     phb = PCI_HOST_BRIDGE(q35_host);
237     host_bus = phb->bus;
238     /* create ISA bus */
239     lpc = pci_create_simple_multifunction(host_bus, PCI_DEVFN(ICH9_LPC_DEV,
240                                           ICH9_LPC_FUNC), true,
241                                           TYPE_ICH9_LPC_DEVICE);
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     /* irq lines */
266     gsi_state = pc_gsi_create(&x86ms->gsi, pcmc->pci_enabled);
267 
268     ich9_lpc = ICH9_LPC_DEVICE(lpc);
269     lpc_dev = DEVICE(lpc);
270     for (i = 0; i < GSI_NUM_PINS; i++) {
271         qdev_connect_gpio_out_named(lpc_dev, ICH9_GPIO_GSI, i, x86ms->gsi[i]);
272     }
273     pci_bus_irqs(host_bus, ich9_lpc_set_irq, ich9_lpc, ICH9_LPC_NB_PIRQS);
274     pci_bus_map_irqs(host_bus, ich9_lpc_map_irq);
275     pci_bus_set_route_irq_fn(host_bus, ich9_route_intx_pin_to_irq);
276     isa_bus = ich9_lpc->isa_bus;
277 
278     if (x86ms->pic == ON_OFF_AUTO_ON || x86ms->pic == ON_OFF_AUTO_AUTO) {
279         pc_i8259_create(isa_bus, gsi_state->i8259_irq);
280     }
281 
282     if (pcmc->pci_enabled) {
283         ioapic_init_gsi(gsi_state, "q35");
284     }
285 
286     if (tcg_enabled()) {
287         x86_register_ferr_irq(x86ms->gsi[13]);
288     }
289 
290     assert(pcms->vmport != ON_OFF_AUTO__MAX);
291     if (pcms->vmport == ON_OFF_AUTO_AUTO) {
292         pcms->vmport = ON_OFF_AUTO_ON;
293     }
294 
295     /* init basic PC hardware */
296     pc_basic_device_init(pcms, isa_bus, x86ms->gsi, &rtc_state, !mc->no_floppy,
297                          0xff0104);
298 
299     /* connect pm stuff to lpc */
300     ich9_lpc_pm_init(lpc, x86_machine_is_smm_enabled(x86ms));
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                                                true, "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         /* TODO: Populate SPD eeprom data.  */
324         pcms->smbus = ich9_smb_init(host_bus,
325                                     PCI_DEVFN(ICH9_SMB_DEV, ICH9_SMB_FUNC),
326                                     0xb100);
327         smbus_eeprom_init(pcms->smbus, 8, NULL, 0);
328     }
329 
330     pc_cmos_init(pcms, idebus[0], idebus[1], rtc_state);
331 
332     /* the rest devices to which pci devfn is automatically assigned */
333     pc_vga_init(isa_bus, host_bus);
334     pc_nic_init(pcmc, isa_bus, host_bus);
335 
336     if (machine->nvdimms_state->is_enabled) {
337         nvdimm_init_acpi_state(machine->nvdimms_state, system_io,
338                                x86_nvdimm_acpi_dsmio,
339                                x86ms->fw_cfg, OBJECT(pcms));
340     }
341 }
342 
343 #define DEFINE_Q35_MACHINE(suffix, name, compatfn, optionfn) \
344     static void pc_init_##suffix(MachineState *machine) \
345     { \
346         void (*compat)(MachineState *m) = (compatfn); \
347         if (compat) { \
348             compat(machine); \
349         } \
350         pc_q35_init(machine); \
351     } \
352     DEFINE_PC_MACHINE(suffix, name, pc_init_##suffix, optionfn)
353 
354 
355 static void pc_q35_machine_options(MachineClass *m)
356 {
357     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
358     pcmc->default_nic_model = "e1000e";
359     pcmc->pci_root_uid = 0;
360     pcmc->default_cpu_version = 1;
361 
362     m->family = "pc_q35";
363     m->desc = "Standard PC (Q35 + ICH9, 2009)";
364     m->units_per_default_bus = 1;
365     m->default_machine_opts = "firmware=bios-256k.bin";
366     m->default_display = "std";
367     m->default_kernel_irqchip_split = false;
368     m->no_floppy = 1;
369     machine_class_allow_dynamic_sysbus_dev(m, TYPE_AMD_IOMMU_DEVICE);
370     machine_class_allow_dynamic_sysbus_dev(m, TYPE_INTEL_IOMMU_DEVICE);
371     machine_class_allow_dynamic_sysbus_dev(m, TYPE_RAMFB_DEVICE);
372     machine_class_allow_dynamic_sysbus_dev(m, TYPE_VMBUS_BRIDGE);
373     m->max_cpus = 288;
374 }
375 
376 static void pc_q35_8_0_machine_options(MachineClass *m)
377 {
378     pc_q35_machine_options(m);
379     m->alias = "q35";
380 }
381 
382 DEFINE_Q35_MACHINE(v8_0, "pc-q35-8.0", NULL,
383                    pc_q35_8_0_machine_options);
384 
385 static void pc_q35_7_2_machine_options(MachineClass *m)
386 {
387     pc_q35_8_0_machine_options(m);
388     m->alias = NULL;
389     compat_props_add(m->compat_props, hw_compat_7_2, hw_compat_7_2_len);
390     compat_props_add(m->compat_props, pc_compat_7_2, pc_compat_7_2_len);
391 }
392 
393 DEFINE_Q35_MACHINE(v7_2, "pc-q35-7.2", NULL,
394                    pc_q35_7_2_machine_options);
395 
396 static void pc_q35_7_1_machine_options(MachineClass *m)
397 {
398     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
399     pc_q35_7_2_machine_options(m);
400     pcmc->legacy_no_rng_seed = true;
401     compat_props_add(m->compat_props, hw_compat_7_1, hw_compat_7_1_len);
402     compat_props_add(m->compat_props, pc_compat_7_1, pc_compat_7_1_len);
403 }
404 
405 DEFINE_Q35_MACHINE(v7_1, "pc-q35-7.1", NULL,
406                    pc_q35_7_1_machine_options);
407 
408 static void pc_q35_7_0_machine_options(MachineClass *m)
409 {
410     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
411     pc_q35_7_1_machine_options(m);
412     pcmc->enforce_amd_1tb_hole = false;
413     compat_props_add(m->compat_props, hw_compat_7_0, hw_compat_7_0_len);
414     compat_props_add(m->compat_props, pc_compat_7_0, pc_compat_7_0_len);
415 }
416 
417 DEFINE_Q35_MACHINE(v7_0, "pc-q35-7.0", NULL,
418                    pc_q35_7_0_machine_options);
419 
420 static void pc_q35_6_2_machine_options(MachineClass *m)
421 {
422     pc_q35_7_0_machine_options(m);
423     compat_props_add(m->compat_props, hw_compat_6_2, hw_compat_6_2_len);
424     compat_props_add(m->compat_props, pc_compat_6_2, pc_compat_6_2_len);
425 }
426 
427 DEFINE_Q35_MACHINE(v6_2, "pc-q35-6.2", NULL,
428                    pc_q35_6_2_machine_options);
429 
430 static void pc_q35_6_1_machine_options(MachineClass *m)
431 {
432     pc_q35_6_2_machine_options(m);
433     compat_props_add(m->compat_props, hw_compat_6_1, hw_compat_6_1_len);
434     compat_props_add(m->compat_props, pc_compat_6_1, pc_compat_6_1_len);
435     m->smp_props.prefer_sockets = true;
436 }
437 
438 DEFINE_Q35_MACHINE(v6_1, "pc-q35-6.1", NULL,
439                    pc_q35_6_1_machine_options);
440 
441 static void pc_q35_6_0_machine_options(MachineClass *m)
442 {
443     pc_q35_6_1_machine_options(m);
444     compat_props_add(m->compat_props, hw_compat_6_0, hw_compat_6_0_len);
445     compat_props_add(m->compat_props, pc_compat_6_0, pc_compat_6_0_len);
446 }
447 
448 DEFINE_Q35_MACHINE(v6_0, "pc-q35-6.0", NULL,
449                    pc_q35_6_0_machine_options);
450 
451 static void pc_q35_5_2_machine_options(MachineClass *m)
452 {
453     pc_q35_6_0_machine_options(m);
454     compat_props_add(m->compat_props, hw_compat_5_2, hw_compat_5_2_len);
455     compat_props_add(m->compat_props, pc_compat_5_2, pc_compat_5_2_len);
456 }
457 
458 DEFINE_Q35_MACHINE(v5_2, "pc-q35-5.2", NULL,
459                    pc_q35_5_2_machine_options);
460 
461 static void pc_q35_5_1_machine_options(MachineClass *m)
462 {
463     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
464 
465     pc_q35_5_2_machine_options(m);
466     compat_props_add(m->compat_props, hw_compat_5_1, hw_compat_5_1_len);
467     compat_props_add(m->compat_props, pc_compat_5_1, pc_compat_5_1_len);
468     pcmc->kvmclock_create_always = false;
469     pcmc->pci_root_uid = 1;
470 }
471 
472 DEFINE_Q35_MACHINE(v5_1, "pc-q35-5.1", NULL,
473                    pc_q35_5_1_machine_options);
474 
475 static void pc_q35_5_0_machine_options(MachineClass *m)
476 {
477     pc_q35_5_1_machine_options(m);
478     m->numa_mem_supported = true;
479     compat_props_add(m->compat_props, hw_compat_5_0, hw_compat_5_0_len);
480     compat_props_add(m->compat_props, pc_compat_5_0, pc_compat_5_0_len);
481     m->auto_enable_numa_with_memdev = false;
482 }
483 
484 DEFINE_Q35_MACHINE(v5_0, "pc-q35-5.0", NULL,
485                    pc_q35_5_0_machine_options);
486 
487 static void pc_q35_4_2_machine_options(MachineClass *m)
488 {
489     pc_q35_5_0_machine_options(m);
490     compat_props_add(m->compat_props, hw_compat_4_2, hw_compat_4_2_len);
491     compat_props_add(m->compat_props, pc_compat_4_2, pc_compat_4_2_len);
492 }
493 
494 DEFINE_Q35_MACHINE(v4_2, "pc-q35-4.2", NULL,
495                    pc_q35_4_2_machine_options);
496 
497 static void pc_q35_4_1_machine_options(MachineClass *m)
498 {
499     pc_q35_4_2_machine_options(m);
500     compat_props_add(m->compat_props, hw_compat_4_1, hw_compat_4_1_len);
501     compat_props_add(m->compat_props, pc_compat_4_1, pc_compat_4_1_len);
502 }
503 
504 DEFINE_Q35_MACHINE(v4_1, "pc-q35-4.1", NULL,
505                    pc_q35_4_1_machine_options);
506 
507 static void pc_q35_4_0_1_machine_options(MachineClass *m)
508 {
509     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
510     pc_q35_4_1_machine_options(m);
511     pcmc->default_cpu_version = CPU_VERSION_LEGACY;
512     /*
513      * This is the default machine for the 4.0-stable branch. It is basically
514      * a 4.0 that doesn't use split irqchip by default. It MUST hence apply the
515      * 4.0 compat props.
516      */
517     compat_props_add(m->compat_props, hw_compat_4_0, hw_compat_4_0_len);
518     compat_props_add(m->compat_props, pc_compat_4_0, pc_compat_4_0_len);
519 }
520 
521 DEFINE_Q35_MACHINE(v4_0_1, "pc-q35-4.0.1", NULL,
522                    pc_q35_4_0_1_machine_options);
523 
524 static void pc_q35_4_0_machine_options(MachineClass *m)
525 {
526     pc_q35_4_0_1_machine_options(m);
527     m->default_kernel_irqchip_split = true;
528     /* Compat props are applied by the 4.0.1 machine */
529 }
530 
531 DEFINE_Q35_MACHINE(v4_0, "pc-q35-4.0", NULL,
532                    pc_q35_4_0_machine_options);
533 
534 static void pc_q35_3_1_machine_options(MachineClass *m)
535 {
536     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
537 
538     pc_q35_4_0_machine_options(m);
539     m->default_kernel_irqchip_split = false;
540     m->smbus_no_migration_support = true;
541     pcmc->pvh_enabled = false;
542     compat_props_add(m->compat_props, hw_compat_3_1, hw_compat_3_1_len);
543     compat_props_add(m->compat_props, pc_compat_3_1, pc_compat_3_1_len);
544 }
545 
546 DEFINE_Q35_MACHINE(v3_1, "pc-q35-3.1", NULL,
547                    pc_q35_3_1_machine_options);
548 
549 static void pc_q35_3_0_machine_options(MachineClass *m)
550 {
551     pc_q35_3_1_machine_options(m);
552     compat_props_add(m->compat_props, hw_compat_3_0, hw_compat_3_0_len);
553     compat_props_add(m->compat_props, pc_compat_3_0, pc_compat_3_0_len);
554 }
555 
556 DEFINE_Q35_MACHINE(v3_0, "pc-q35-3.0", NULL,
557                     pc_q35_3_0_machine_options);
558 
559 static void pc_q35_2_12_machine_options(MachineClass *m)
560 {
561     pc_q35_3_0_machine_options(m);
562     compat_props_add(m->compat_props, hw_compat_2_12, hw_compat_2_12_len);
563     compat_props_add(m->compat_props, pc_compat_2_12, pc_compat_2_12_len);
564 }
565 
566 DEFINE_Q35_MACHINE(v2_12, "pc-q35-2.12", NULL,
567                    pc_q35_2_12_machine_options);
568 
569 static void pc_q35_2_11_machine_options(MachineClass *m)
570 {
571     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
572 
573     pc_q35_2_12_machine_options(m);
574     pcmc->default_nic_model = "e1000";
575     compat_props_add(m->compat_props, hw_compat_2_11, hw_compat_2_11_len);
576     compat_props_add(m->compat_props, pc_compat_2_11, pc_compat_2_11_len);
577 }
578 
579 DEFINE_Q35_MACHINE(v2_11, "pc-q35-2.11", NULL,
580                    pc_q35_2_11_machine_options);
581 
582 static void pc_q35_2_10_machine_options(MachineClass *m)
583 {
584     pc_q35_2_11_machine_options(m);
585     compat_props_add(m->compat_props, hw_compat_2_10, hw_compat_2_10_len);
586     compat_props_add(m->compat_props, pc_compat_2_10, pc_compat_2_10_len);
587     m->auto_enable_numa_with_memhp = false;
588 }
589 
590 DEFINE_Q35_MACHINE(v2_10, "pc-q35-2.10", NULL,
591                    pc_q35_2_10_machine_options);
592 
593 static void pc_q35_2_9_machine_options(MachineClass *m)
594 {
595     pc_q35_2_10_machine_options(m);
596     compat_props_add(m->compat_props, hw_compat_2_9, hw_compat_2_9_len);
597     compat_props_add(m->compat_props, pc_compat_2_9, pc_compat_2_9_len);
598 }
599 
600 DEFINE_Q35_MACHINE(v2_9, "pc-q35-2.9", NULL,
601                    pc_q35_2_9_machine_options);
602 
603 static void pc_q35_2_8_machine_options(MachineClass *m)
604 {
605     pc_q35_2_9_machine_options(m);
606     compat_props_add(m->compat_props, hw_compat_2_8, hw_compat_2_8_len);
607     compat_props_add(m->compat_props, pc_compat_2_8, pc_compat_2_8_len);
608 }
609 
610 DEFINE_Q35_MACHINE(v2_8, "pc-q35-2.8", NULL,
611                    pc_q35_2_8_machine_options);
612 
613 static void pc_q35_2_7_machine_options(MachineClass *m)
614 {
615     pc_q35_2_8_machine_options(m);
616     m->max_cpus = 255;
617     compat_props_add(m->compat_props, hw_compat_2_7, hw_compat_2_7_len);
618     compat_props_add(m->compat_props, pc_compat_2_7, pc_compat_2_7_len);
619 }
620 
621 DEFINE_Q35_MACHINE(v2_7, "pc-q35-2.7", NULL,
622                    pc_q35_2_7_machine_options);
623 
624 static void pc_q35_2_6_machine_options(MachineClass *m)
625 {
626     X86MachineClass *x86mc = X86_MACHINE_CLASS(m);
627     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
628 
629     pc_q35_2_7_machine_options(m);
630     pcmc->legacy_cpu_hotplug = true;
631     x86mc->fwcfg_dma_enabled = false;
632     compat_props_add(m->compat_props, hw_compat_2_6, hw_compat_2_6_len);
633     compat_props_add(m->compat_props, pc_compat_2_6, pc_compat_2_6_len);
634 }
635 
636 DEFINE_Q35_MACHINE(v2_6, "pc-q35-2.6", NULL,
637                    pc_q35_2_6_machine_options);
638 
639 static void pc_q35_2_5_machine_options(MachineClass *m)
640 {
641     X86MachineClass *x86mc = X86_MACHINE_CLASS(m);
642 
643     pc_q35_2_6_machine_options(m);
644     x86mc->save_tsc_khz = false;
645     m->legacy_fw_cfg_order = 1;
646     compat_props_add(m->compat_props, hw_compat_2_5, hw_compat_2_5_len);
647     compat_props_add(m->compat_props, pc_compat_2_5, pc_compat_2_5_len);
648 }
649 
650 DEFINE_Q35_MACHINE(v2_5, "pc-q35-2.5", NULL,
651                    pc_q35_2_5_machine_options);
652 
653 static void pc_q35_2_4_machine_options(MachineClass *m)
654 {
655     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
656 
657     pc_q35_2_5_machine_options(m);
658     m->hw_version = "2.4.0";
659     pcmc->broken_reserved_end = true;
660     compat_props_add(m->compat_props, hw_compat_2_4, hw_compat_2_4_len);
661     compat_props_add(m->compat_props, pc_compat_2_4, pc_compat_2_4_len);
662 }
663 
664 DEFINE_Q35_MACHINE(v2_4, "pc-q35-2.4", NULL,
665                    pc_q35_2_4_machine_options);
666