xref: /openbmc/qemu/hw/i386/pc_q35.c (revision f8ed3648)
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), true, 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), true,
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     Q35PCIHost *q35_host;
124     PCIHostState *phb;
125     PCIBus *host_bus;
126     PCIDevice *lpc;
127     DeviceState *lpc_dev;
128     BusState *idebus[MAX_SATA_PORTS];
129     ISADevice *rtc_state;
130     MemoryRegion *system_memory = get_system_memory();
131     MemoryRegion *system_io = get_system_io();
132     MemoryRegion *pci_memory;
133     MemoryRegion *rom_memory;
134     GSIState *gsi_state;
135     ISABus *isa_bus;
136     int i;
137     PCIDevice *ahci;
138     ram_addr_t lowmem;
139     DriveInfo *hd[MAX_SATA_PORTS];
140     MachineClass *mc = MACHINE_GET_CLASS(machine);
141     bool acpi_pcihp;
142     bool keep_pci_slot_hpc;
143     uint64_t pci_hole64_size = 0;
144 
145     /* Check whether RAM fits below 4G (leaving 1/2 GByte for IO memory
146      * and 256 Mbytes for PCI Express Enhanced Configuration Access Mapping
147      * also known as MMCFG).
148      * If it doesn't, we need to split it in chunks below and above 4G.
149      * In any case, try to make sure that guest addresses aligned at
150      * 1G boundaries get mapped to host addresses aligned at 1G boundaries.
151      */
152     if (machine->ram_size >= 0xb0000000) {
153         lowmem = 0x80000000;
154     } else {
155         lowmem = 0xb0000000;
156     }
157 
158     /* Handle the machine opt max-ram-below-4g.  It is basically doing
159      * min(qemu limit, user limit).
160      */
161     if (!pcms->max_ram_below_4g) {
162         pcms->max_ram_below_4g = 4 * GiB;
163     }
164     if (lowmem > pcms->max_ram_below_4g) {
165         lowmem = pcms->max_ram_below_4g;
166         if (machine->ram_size - lowmem > lowmem &&
167             lowmem & (1 * GiB - 1)) {
168             warn_report("There is possibly poor performance as the ram size "
169                         " (0x%" PRIx64 ") is more then twice the size of"
170                         " max-ram-below-4g (%"PRIu64") and"
171                         " max-ram-below-4g is not a multiple of 1G.",
172                         (uint64_t)machine->ram_size, pcms->max_ram_below_4g);
173         }
174     }
175 
176     if (machine->ram_size >= lowmem) {
177         x86ms->above_4g_mem_size = machine->ram_size - lowmem;
178         x86ms->below_4g_mem_size = lowmem;
179     } else {
180         x86ms->above_4g_mem_size = 0;
181         x86ms->below_4g_mem_size = machine->ram_size;
182     }
183 
184     pc_machine_init_sgx_epc(pcms);
185     x86_cpus_init(x86ms, pcmc->default_cpu_version);
186 
187     kvmclock_create(pcmc->kvmclock_create_always);
188 
189     /* pci enabled */
190     if (pcmc->pci_enabled) {
191         pci_memory = g_new(MemoryRegion, 1);
192         memory_region_init(pci_memory, NULL, "pci", UINT64_MAX);
193         rom_memory = pci_memory;
194     } else {
195         pci_memory = NULL;
196         rom_memory = system_memory;
197     }
198 
199     pc_guest_info_init(pcms);
200 
201     if (pcmc->smbios_defaults) {
202         /* These values are guest ABI, do not change */
203         smbios_set_defaults("QEMU", mc->desc,
204                             mc->name, pcmc->smbios_legacy_mode,
205                             pcmc->smbios_uuid_encoded,
206                             pcms->smbios_entry_point_type);
207     }
208 
209     /* create pci host bus */
210     q35_host = Q35_HOST_DEVICE(qdev_new(TYPE_Q35_HOST_DEVICE));
211 
212     if (pcmc->pci_enabled) {
213         pci_hole64_size = object_property_get_uint(OBJECT(q35_host),
214                                                    PCI_HOST_PROP_PCI_HOLE64_SIZE,
215                                                    &error_abort);
216     }
217 
218     /* allocate ram and load rom/bios */
219     pc_memory_init(pcms, system_memory, rom_memory, pci_hole64_size);
220 
221     object_property_add_child(OBJECT(machine), "q35", OBJECT(q35_host));
222     object_property_set_link(OBJECT(q35_host), MCH_HOST_PROP_RAM_MEM,
223                              OBJECT(machine->ram), 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(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_new_multifunction(PCI_DEVFN(ICH9_LPC_DEV, ICH9_LPC_FUNC), true,
240                                 TYPE_ICH9_LPC_DEVICE);
241     qdev_prop_set_bit(DEVICE(lpc), "smm-enabled",
242                       x86_machine_is_smm_enabled(x86ms));
243     pci_realize_and_unref(lpc, host_bus, &error_fatal);
244 
245     rtc_state = ISA_DEVICE(object_resolve_path_component(OBJECT(lpc), "rtc"));
246 
247     object_property_add_link(OBJECT(machine), PC_MACHINE_ACPI_DEVICE_PROP,
248                              TYPE_HOTPLUG_HANDLER,
249                              (Object **)&x86ms->acpi_dev,
250                              object_property_allow_set_link,
251                              OBJ_PROP_LINK_STRONG);
252     object_property_set_link(OBJECT(machine), PC_MACHINE_ACPI_DEVICE_PROP,
253                              OBJECT(lpc), &error_abort);
254 
255     acpi_pcihp = object_property_get_bool(OBJECT(lpc),
256                                           ACPI_PM_PROP_ACPI_PCIHP_BRIDGE,
257                                           NULL);
258 
259     keep_pci_slot_hpc = object_property_get_bool(OBJECT(lpc),
260                                                  "x-keep-pci-slot-hpc",
261                                                  NULL);
262 
263     if (!keep_pci_slot_hpc && acpi_pcihp) {
264         object_register_sugar_prop(TYPE_PCIE_SLOT,
265                                    "x-do-not-expose-native-hotplug-cap",
266                                    "true", true);
267     }
268 
269     /* irq lines */
270     gsi_state = pc_gsi_create(&x86ms->gsi, pcmc->pci_enabled);
271 
272     lpc_dev = DEVICE(lpc);
273     for (i = 0; i < IOAPIC_NUM_PINS; i++) {
274         qdev_connect_gpio_out_named(lpc_dev, ICH9_GPIO_GSI, i, x86ms->gsi[i]);
275     }
276     isa_bus = ISA_BUS(qdev_get_child_bus(lpc_dev, "isa.0"));
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     if (pcms->sata_enabled) {
300         /* ahci and SATA device, for q35 1 ahci controller is built-in */
301         ahci = pci_create_simple_multifunction(host_bus,
302                                                PCI_DEVFN(ICH9_SATA1_DEV,
303                                                          ICH9_SATA1_FUNC),
304                                                true, "ich9-ahci");
305         idebus[0] = qdev_get_child_bus(&ahci->qdev, "ide.0");
306         idebus[1] = qdev_get_child_bus(&ahci->qdev, "ide.1");
307         g_assert(MAX_SATA_PORTS == ahci_get_num_ports(ahci));
308         ide_drive_get(hd, ahci_get_num_ports(ahci));
309         ahci_ide_create_devs(ahci, hd);
310     } else {
311         idebus[0] = idebus[1] = NULL;
312     }
313 
314     if (machine_usb(machine)) {
315         /* Should we create 6 UHCI according to ich9 spec? */
316         ehci_create_ich9_with_companions(host_bus, 0x1d);
317     }
318 
319     if (pcms->smbus_enabled) {
320         PCIDevice *smb;
321 
322         /* TODO: Populate SPD eeprom data.  */
323         smb = pci_create_simple_multifunction(host_bus,
324                                               PCI_DEVFN(ICH9_SMB_DEV,
325                                                         ICH9_SMB_FUNC),
326                                               true, TYPE_ICH9_SMB_DEVICE);
327         pcms->smbus = I2C_BUS(qdev_get_child_bus(DEVICE(smb), "i2c"));
328 
329         smbus_eeprom_init(pcms->smbus, 8, NULL, 0);
330     }
331 
332     pc_cmos_init(pcms, idebus[0], idebus[1], rtc_state);
333 
334     /* the rest devices to which pci devfn is automatically assigned */
335     pc_vga_init(isa_bus, host_bus);
336     pc_nic_init(pcmc, isa_bus, host_bus);
337 
338     if (machine->nvdimms_state->is_enabled) {
339         nvdimm_init_acpi_state(machine->nvdimms_state, system_io,
340                                x86_nvdimm_acpi_dsmio,
341                                x86ms->fw_cfg, OBJECT(pcms));
342     }
343 }
344 
345 #define DEFINE_Q35_MACHINE(suffix, name, compatfn, optionfn) \
346     static void pc_init_##suffix(MachineState *machine) \
347     { \
348         void (*compat)(MachineState *m) = (compatfn); \
349         if (compat) { \
350             compat(machine); \
351         } \
352         pc_q35_init(machine); \
353     } \
354     DEFINE_PC_MACHINE(suffix, name, pc_init_##suffix, optionfn)
355 
356 
357 static void pc_q35_machine_options(MachineClass *m)
358 {
359     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
360     pcmc->pci_root_uid = 0;
361     pcmc->default_cpu_version = 1;
362 
363     m->family = "pc_q35";
364     m->desc = "Standard PC (Q35 + ICH9, 2009)";
365     m->units_per_default_bus = 1;
366     m->default_machine_opts = "firmware=bios-256k.bin";
367     m->default_display = "std";
368     m->default_nic = "e1000e";
369     m->default_kernel_irqchip_split = false;
370     m->no_floppy = 1;
371     m->max_cpus = 1024;
372     m->no_parallel = !module_object_class_by_name(TYPE_ISA_PARALLEL);
373     machine_class_allow_dynamic_sysbus_dev(m, TYPE_AMD_IOMMU_DEVICE);
374     machine_class_allow_dynamic_sysbus_dev(m, TYPE_INTEL_IOMMU_DEVICE);
375     machine_class_allow_dynamic_sysbus_dev(m, TYPE_RAMFB_DEVICE);
376     machine_class_allow_dynamic_sysbus_dev(m, TYPE_VMBUS_BRIDGE);
377 }
378 
379 static void pc_q35_8_1_machine_options(MachineClass *m)
380 {
381     pc_q35_machine_options(m);
382     m->alias = "q35";
383 }
384 
385 DEFINE_Q35_MACHINE(v8_1, "pc-q35-8.1", NULL,
386                    pc_q35_8_1_machine_options);
387 
388 static void pc_q35_8_0_machine_options(MachineClass *m)
389 {
390     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
391 
392     pc_q35_8_1_machine_options(m);
393     m->alias = NULL;
394     compat_props_add(m->compat_props, hw_compat_8_0, hw_compat_8_0_len);
395     compat_props_add(m->compat_props, pc_compat_8_0, pc_compat_8_0_len);
396 
397     /* For pc-q35-8.0 and older, use SMBIOS 2.8 by default */
398     pcmc->default_smbios_ep_type = SMBIOS_ENTRY_POINT_TYPE_32;
399     m->max_cpus = 288;
400 }
401 
402 DEFINE_Q35_MACHINE(v8_0, "pc-q35-8.0", NULL,
403                    pc_q35_8_0_machine_options);
404 
405 static void pc_q35_7_2_machine_options(MachineClass *m)
406 {
407     pc_q35_8_0_machine_options(m);
408     compat_props_add(m->compat_props, hw_compat_7_2, hw_compat_7_2_len);
409     compat_props_add(m->compat_props, pc_compat_7_2, pc_compat_7_2_len);
410 }
411 
412 DEFINE_Q35_MACHINE(v7_2, "pc-q35-7.2", NULL,
413                    pc_q35_7_2_machine_options);
414 
415 static void pc_q35_7_1_machine_options(MachineClass *m)
416 {
417     pc_q35_7_2_machine_options(m);
418     compat_props_add(m->compat_props, hw_compat_7_1, hw_compat_7_1_len);
419     compat_props_add(m->compat_props, pc_compat_7_1, pc_compat_7_1_len);
420 }
421 
422 DEFINE_Q35_MACHINE(v7_1, "pc-q35-7.1", NULL,
423                    pc_q35_7_1_machine_options);
424 
425 static void pc_q35_7_0_machine_options(MachineClass *m)
426 {
427     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
428     pc_q35_7_1_machine_options(m);
429     pcmc->enforce_amd_1tb_hole = false;
430     compat_props_add(m->compat_props, hw_compat_7_0, hw_compat_7_0_len);
431     compat_props_add(m->compat_props, pc_compat_7_0, pc_compat_7_0_len);
432 }
433 
434 DEFINE_Q35_MACHINE(v7_0, "pc-q35-7.0", NULL,
435                    pc_q35_7_0_machine_options);
436 
437 static void pc_q35_6_2_machine_options(MachineClass *m)
438 {
439     pc_q35_7_0_machine_options(m);
440     compat_props_add(m->compat_props, hw_compat_6_2, hw_compat_6_2_len);
441     compat_props_add(m->compat_props, pc_compat_6_2, pc_compat_6_2_len);
442 }
443 
444 DEFINE_Q35_MACHINE(v6_2, "pc-q35-6.2", NULL,
445                    pc_q35_6_2_machine_options);
446 
447 static void pc_q35_6_1_machine_options(MachineClass *m)
448 {
449     pc_q35_6_2_machine_options(m);
450     compat_props_add(m->compat_props, hw_compat_6_1, hw_compat_6_1_len);
451     compat_props_add(m->compat_props, pc_compat_6_1, pc_compat_6_1_len);
452     m->smp_props.prefer_sockets = true;
453 }
454 
455 DEFINE_Q35_MACHINE(v6_1, "pc-q35-6.1", NULL,
456                    pc_q35_6_1_machine_options);
457 
458 static void pc_q35_6_0_machine_options(MachineClass *m)
459 {
460     pc_q35_6_1_machine_options(m);
461     compat_props_add(m->compat_props, hw_compat_6_0, hw_compat_6_0_len);
462     compat_props_add(m->compat_props, pc_compat_6_0, pc_compat_6_0_len);
463 }
464 
465 DEFINE_Q35_MACHINE(v6_0, "pc-q35-6.0", NULL,
466                    pc_q35_6_0_machine_options);
467 
468 static void pc_q35_5_2_machine_options(MachineClass *m)
469 {
470     pc_q35_6_0_machine_options(m);
471     compat_props_add(m->compat_props, hw_compat_5_2, hw_compat_5_2_len);
472     compat_props_add(m->compat_props, pc_compat_5_2, pc_compat_5_2_len);
473 }
474 
475 DEFINE_Q35_MACHINE(v5_2, "pc-q35-5.2", NULL,
476                    pc_q35_5_2_machine_options);
477 
478 static void pc_q35_5_1_machine_options(MachineClass *m)
479 {
480     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
481 
482     pc_q35_5_2_machine_options(m);
483     compat_props_add(m->compat_props, hw_compat_5_1, hw_compat_5_1_len);
484     compat_props_add(m->compat_props, pc_compat_5_1, pc_compat_5_1_len);
485     pcmc->kvmclock_create_always = false;
486     pcmc->pci_root_uid = 1;
487 }
488 
489 DEFINE_Q35_MACHINE(v5_1, "pc-q35-5.1", NULL,
490                    pc_q35_5_1_machine_options);
491 
492 static void pc_q35_5_0_machine_options(MachineClass *m)
493 {
494     pc_q35_5_1_machine_options(m);
495     m->numa_mem_supported = true;
496     compat_props_add(m->compat_props, hw_compat_5_0, hw_compat_5_0_len);
497     compat_props_add(m->compat_props, pc_compat_5_0, pc_compat_5_0_len);
498     m->auto_enable_numa_with_memdev = false;
499 }
500 
501 DEFINE_Q35_MACHINE(v5_0, "pc-q35-5.0", NULL,
502                    pc_q35_5_0_machine_options);
503 
504 static void pc_q35_4_2_machine_options(MachineClass *m)
505 {
506     pc_q35_5_0_machine_options(m);
507     compat_props_add(m->compat_props, hw_compat_4_2, hw_compat_4_2_len);
508     compat_props_add(m->compat_props, pc_compat_4_2, pc_compat_4_2_len);
509 }
510 
511 DEFINE_Q35_MACHINE(v4_2, "pc-q35-4.2", NULL,
512                    pc_q35_4_2_machine_options);
513 
514 static void pc_q35_4_1_machine_options(MachineClass *m)
515 {
516     pc_q35_4_2_machine_options(m);
517     compat_props_add(m->compat_props, hw_compat_4_1, hw_compat_4_1_len);
518     compat_props_add(m->compat_props, pc_compat_4_1, pc_compat_4_1_len);
519 }
520 
521 DEFINE_Q35_MACHINE(v4_1, "pc-q35-4.1", NULL,
522                    pc_q35_4_1_machine_options);
523 
524 static void pc_q35_4_0_1_machine_options(MachineClass *m)
525 {
526     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
527     pc_q35_4_1_machine_options(m);
528     pcmc->default_cpu_version = CPU_VERSION_LEGACY;
529     /*
530      * This is the default machine for the 4.0-stable branch. It is basically
531      * a 4.0 that doesn't use split irqchip by default. It MUST hence apply the
532      * 4.0 compat props.
533      */
534     compat_props_add(m->compat_props, hw_compat_4_0, hw_compat_4_0_len);
535     compat_props_add(m->compat_props, pc_compat_4_0, pc_compat_4_0_len);
536 }
537 
538 DEFINE_Q35_MACHINE(v4_0_1, "pc-q35-4.0.1", NULL,
539                    pc_q35_4_0_1_machine_options);
540 
541 static void pc_q35_4_0_machine_options(MachineClass *m)
542 {
543     pc_q35_4_0_1_machine_options(m);
544     m->default_kernel_irqchip_split = true;
545     /* Compat props are applied by the 4.0.1 machine */
546 }
547 
548 DEFINE_Q35_MACHINE(v4_0, "pc-q35-4.0", NULL,
549                    pc_q35_4_0_machine_options);
550 
551 static void pc_q35_3_1_machine_options(MachineClass *m)
552 {
553     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
554 
555     pc_q35_4_0_machine_options(m);
556     m->default_kernel_irqchip_split = false;
557     m->smbus_no_migration_support = true;
558     pcmc->pvh_enabled = false;
559     compat_props_add(m->compat_props, hw_compat_3_1, hw_compat_3_1_len);
560     compat_props_add(m->compat_props, pc_compat_3_1, pc_compat_3_1_len);
561 }
562 
563 DEFINE_Q35_MACHINE(v3_1, "pc-q35-3.1", NULL,
564                    pc_q35_3_1_machine_options);
565 
566 static void pc_q35_3_0_machine_options(MachineClass *m)
567 {
568     pc_q35_3_1_machine_options(m);
569     compat_props_add(m->compat_props, hw_compat_3_0, hw_compat_3_0_len);
570     compat_props_add(m->compat_props, pc_compat_3_0, pc_compat_3_0_len);
571 }
572 
573 DEFINE_Q35_MACHINE(v3_0, "pc-q35-3.0", NULL,
574                     pc_q35_3_0_machine_options);
575 
576 static void pc_q35_2_12_machine_options(MachineClass *m)
577 {
578     pc_q35_3_0_machine_options(m);
579     compat_props_add(m->compat_props, hw_compat_2_12, hw_compat_2_12_len);
580     compat_props_add(m->compat_props, pc_compat_2_12, pc_compat_2_12_len);
581 }
582 
583 DEFINE_Q35_MACHINE(v2_12, "pc-q35-2.12", NULL,
584                    pc_q35_2_12_machine_options);
585 
586 static void pc_q35_2_11_machine_options(MachineClass *m)
587 {
588     pc_q35_2_12_machine_options(m);
589     m->default_nic = "e1000";
590     compat_props_add(m->compat_props, hw_compat_2_11, hw_compat_2_11_len);
591     compat_props_add(m->compat_props, pc_compat_2_11, pc_compat_2_11_len);
592 }
593 
594 DEFINE_Q35_MACHINE(v2_11, "pc-q35-2.11", NULL,
595                    pc_q35_2_11_machine_options);
596 
597 static void pc_q35_2_10_machine_options(MachineClass *m)
598 {
599     pc_q35_2_11_machine_options(m);
600     compat_props_add(m->compat_props, hw_compat_2_10, hw_compat_2_10_len);
601     compat_props_add(m->compat_props, pc_compat_2_10, pc_compat_2_10_len);
602     m->auto_enable_numa_with_memhp = false;
603 }
604 
605 DEFINE_Q35_MACHINE(v2_10, "pc-q35-2.10", NULL,
606                    pc_q35_2_10_machine_options);
607 
608 static void pc_q35_2_9_machine_options(MachineClass *m)
609 {
610     pc_q35_2_10_machine_options(m);
611     compat_props_add(m->compat_props, hw_compat_2_9, hw_compat_2_9_len);
612     compat_props_add(m->compat_props, pc_compat_2_9, pc_compat_2_9_len);
613 }
614 
615 DEFINE_Q35_MACHINE(v2_9, "pc-q35-2.9", NULL,
616                    pc_q35_2_9_machine_options);
617 
618 static void pc_q35_2_8_machine_options(MachineClass *m)
619 {
620     pc_q35_2_9_machine_options(m);
621     compat_props_add(m->compat_props, hw_compat_2_8, hw_compat_2_8_len);
622     compat_props_add(m->compat_props, pc_compat_2_8, pc_compat_2_8_len);
623 }
624 
625 DEFINE_Q35_MACHINE(v2_8, "pc-q35-2.8", NULL,
626                    pc_q35_2_8_machine_options);
627 
628 static void pc_q35_2_7_machine_options(MachineClass *m)
629 {
630     pc_q35_2_8_machine_options(m);
631     m->max_cpus = 255;
632     compat_props_add(m->compat_props, hw_compat_2_7, hw_compat_2_7_len);
633     compat_props_add(m->compat_props, pc_compat_2_7, pc_compat_2_7_len);
634 }
635 
636 DEFINE_Q35_MACHINE(v2_7, "pc-q35-2.7", NULL,
637                    pc_q35_2_7_machine_options);
638 
639 static void pc_q35_2_6_machine_options(MachineClass *m)
640 {
641     X86MachineClass *x86mc = X86_MACHINE_CLASS(m);
642     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
643 
644     pc_q35_2_7_machine_options(m);
645     pcmc->legacy_cpu_hotplug = true;
646     x86mc->fwcfg_dma_enabled = false;
647     compat_props_add(m->compat_props, hw_compat_2_6, hw_compat_2_6_len);
648     compat_props_add(m->compat_props, pc_compat_2_6, pc_compat_2_6_len);
649 }
650 
651 DEFINE_Q35_MACHINE(v2_6, "pc-q35-2.6", NULL,
652                    pc_q35_2_6_machine_options);
653 
654 static void pc_q35_2_5_machine_options(MachineClass *m)
655 {
656     X86MachineClass *x86mc = X86_MACHINE_CLASS(m);
657 
658     pc_q35_2_6_machine_options(m);
659     x86mc->save_tsc_khz = false;
660     m->legacy_fw_cfg_order = 1;
661     compat_props_add(m->compat_props, hw_compat_2_5, hw_compat_2_5_len);
662     compat_props_add(m->compat_props, pc_compat_2_5, pc_compat_2_5_len);
663 }
664 
665 DEFINE_Q35_MACHINE(v2_5, "pc-q35-2.5", NULL,
666                    pc_q35_2_5_machine_options);
667 
668 static void pc_q35_2_4_machine_options(MachineClass *m)
669 {
670     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
671 
672     pc_q35_2_5_machine_options(m);
673     m->hw_version = "2.4.0";
674     pcmc->broken_reserved_end = true;
675     compat_props_add(m->compat_props, hw_compat_2_4, hw_compat_2_4_len);
676     compat_props_add(m->compat_props, pc_compat_2_4, pc_compat_2_4_len);
677 }
678 
679 DEFINE_Q35_MACHINE(v2_4, "pc-q35-2.4", NULL,
680                    pc_q35_2_4_machine_options);
681