xref: /openbmc/qemu/hw/i386/pc_q35.c (revision d7830a9b)
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 "qapi/error.h"
52 #include "qemu/error-report.h"
53 #include "sysemu/numa.h"
54 #include "hw/hyperv/vmbus-bridge.h"
55 #include "hw/mem/nvdimm.h"
56 #include "hw/i386/acpi-build.h"
57 
58 /* ICH9 AHCI has 6 ports */
59 #define MAX_SATA_PORTS     6
60 
61 struct ehci_companions {
62     const char *name;
63     int func;
64     int port;
65 };
66 
67 static const struct ehci_companions ich9_1d[] = {
68     { .name = "ich9-usb-uhci1", .func = 0, .port = 0 },
69     { .name = "ich9-usb-uhci2", .func = 1, .port = 2 },
70     { .name = "ich9-usb-uhci3", .func = 2, .port = 4 },
71 };
72 
73 static const struct ehci_companions ich9_1a[] = {
74     { .name = "ich9-usb-uhci4", .func = 0, .port = 0 },
75     { .name = "ich9-usb-uhci5", .func = 1, .port = 2 },
76     { .name = "ich9-usb-uhci6", .func = 2, .port = 4 },
77 };
78 
79 static int ehci_create_ich9_with_companions(PCIBus *bus, int slot)
80 {
81     const struct ehci_companions *comp;
82     PCIDevice *ehci, *uhci;
83     BusState *usbbus;
84     const char *name;
85     int i;
86 
87     switch (slot) {
88     case 0x1d:
89         name = "ich9-usb-ehci1";
90         comp = ich9_1d;
91         break;
92     case 0x1a:
93         name = "ich9-usb-ehci2";
94         comp = ich9_1a;
95         break;
96     default:
97         return -1;
98     }
99 
100     ehci = pci_new_multifunction(PCI_DEVFN(slot, 7), true, name);
101     pci_realize_and_unref(ehci, bus, &error_fatal);
102     usbbus = QLIST_FIRST(&ehci->qdev.child_bus);
103 
104     for (i = 0; i < 3; i++) {
105         uhci = pci_new_multifunction(PCI_DEVFN(slot, comp[i].func), true,
106                                      comp[i].name);
107         qdev_prop_set_string(&uhci->qdev, "masterbus", usbbus->name);
108         qdev_prop_set_uint32(&uhci->qdev, "firstport", comp[i].port);
109         pci_realize_and_unref(uhci, bus, &error_fatal);
110     }
111     return 0;
112 }
113 
114 /* PC hardware initialisation */
115 static void pc_q35_init(MachineState *machine)
116 {
117     PCMachineState *pcms = PC_MACHINE(machine);
118     PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms);
119     X86MachineState *x86ms = X86_MACHINE(machine);
120     Q35PCIHost *q35_host;
121     PCIHostState *phb;
122     PCIBus *host_bus;
123     PCIDevice *lpc;
124     DeviceState *lpc_dev;
125     BusState *idebus[MAX_SATA_PORTS];
126     ISADevice *rtc_state;
127     MemoryRegion *system_io = get_system_io();
128     MemoryRegion *pci_memory;
129     MemoryRegion *rom_memory;
130     MemoryRegion *ram_memory;
131     GSIState *gsi_state;
132     ISABus *isa_bus;
133     int i;
134     ICH9LPCState *ich9_lpc;
135     PCIDevice *ahci;
136     ram_addr_t lowmem;
137     DriveInfo *hd[MAX_SATA_PORTS];
138     MachineClass *mc = MACHINE_GET_CLASS(machine);
139     bool acpi_pcihp;
140 
141     /* Check whether RAM fits below 4G (leaving 1/2 GByte for IO memory
142      * and 256 Mbytes for PCI Express Enhanced Configuration Access Mapping
143      * also known as MMCFG).
144      * If it doesn't, we need to split it in chunks below and above 4G.
145      * In any case, try to make sure that guest addresses aligned at
146      * 1G boundaries get mapped to host addresses aligned at 1G boundaries.
147      */
148     if (machine->ram_size >= 0xb0000000) {
149         lowmem = 0x80000000;
150     } else {
151         lowmem = 0xb0000000;
152     }
153 
154     /* Handle the machine opt max-ram-below-4g.  It is basically doing
155      * min(qemu limit, user limit).
156      */
157     if (!pcms->max_ram_below_4g) {
158         pcms->max_ram_below_4g = 4 * GiB;
159     }
160     if (lowmem > pcms->max_ram_below_4g) {
161         lowmem = pcms->max_ram_below_4g;
162         if (machine->ram_size - lowmem > lowmem &&
163             lowmem & (1 * GiB - 1)) {
164             warn_report("There is possibly poor performance as the ram size "
165                         " (0x%" PRIx64 ") is more then twice the size of"
166                         " max-ram-below-4g (%"PRIu64") and"
167                         " max-ram-below-4g is not a multiple of 1G.",
168                         (uint64_t)machine->ram_size, pcms->max_ram_below_4g);
169         }
170     }
171 
172     if (machine->ram_size >= lowmem) {
173         x86ms->above_4g_mem_size = machine->ram_size - lowmem;
174         x86ms->below_4g_mem_size = lowmem;
175     } else {
176         x86ms->above_4g_mem_size = 0;
177         x86ms->below_4g_mem_size = machine->ram_size;
178     }
179 
180     x86_cpus_init(x86ms, pcmc->default_cpu_version);
181 
182     kvmclock_create(pcmc->kvmclock_create_always);
183 
184     /* pci enabled */
185     if (pcmc->pci_enabled) {
186         pci_memory = g_new(MemoryRegion, 1);
187         memory_region_init(pci_memory, NULL, "pci", UINT64_MAX);
188         rom_memory = pci_memory;
189     } else {
190         pci_memory = NULL;
191         rom_memory = get_system_memory();
192     }
193 
194     pc_guest_info_init(pcms);
195 
196     if (pcmc->smbios_defaults) {
197         /* These values are guest ABI, do not change */
198         smbios_set_defaults("QEMU", "Standard PC (Q35 + ICH9, 2009)",
199                             mc->name, pcmc->smbios_legacy_mode,
200                             pcmc->smbios_uuid_encoded,
201                             SMBIOS_ENTRY_POINT_21);
202     }
203 
204     /* allocate ram and load rom/bios */
205     pc_memory_init(pcms, get_system_memory(), rom_memory, &ram_memory);
206 
207     /* create pci host bus */
208     q35_host = Q35_HOST_DEVICE(qdev_new(TYPE_Q35_HOST_DEVICE));
209 
210     object_property_add_child(qdev_get_machine(), "q35", OBJECT(q35_host));
211     object_property_set_link(OBJECT(q35_host), MCH_HOST_PROP_RAM_MEM,
212                              OBJECT(ram_memory), NULL);
213     object_property_set_link(OBJECT(q35_host), MCH_HOST_PROP_PCI_MEM,
214                              OBJECT(pci_memory), NULL);
215     object_property_set_link(OBJECT(q35_host), MCH_HOST_PROP_SYSTEM_MEM,
216                              OBJECT(get_system_memory()), NULL);
217     object_property_set_link(OBJECT(q35_host), MCH_HOST_PROP_IO_MEM,
218                              OBJECT(system_io), NULL);
219     object_property_set_int(OBJECT(q35_host), PCI_HOST_BELOW_4G_MEM_SIZE,
220                             x86ms->below_4g_mem_size, NULL);
221     object_property_set_int(OBJECT(q35_host), PCI_HOST_ABOVE_4G_MEM_SIZE,
222                             x86ms->above_4g_mem_size, NULL);
223     /* pci */
224     sysbus_realize_and_unref(SYS_BUS_DEVICE(q35_host), &error_fatal);
225     phb = PCI_HOST_BRIDGE(q35_host);
226     host_bus = phb->bus;
227     /* create ISA bus */
228     lpc = pci_create_simple_multifunction(host_bus, PCI_DEVFN(ICH9_LPC_DEV,
229                                           ICH9_LPC_FUNC), true,
230                                           TYPE_ICH9_LPC_DEVICE);
231 
232     object_property_add_link(OBJECT(machine), PC_MACHINE_ACPI_DEVICE_PROP,
233                              TYPE_HOTPLUG_HANDLER,
234                              (Object **)&x86ms->acpi_dev,
235                              object_property_allow_set_link,
236                              OBJ_PROP_LINK_STRONG);
237     object_property_set_link(OBJECT(machine), PC_MACHINE_ACPI_DEVICE_PROP,
238                              OBJECT(lpc), &error_abort);
239 
240     acpi_pcihp = object_property_get_bool(OBJECT(lpc),
241                                           ACPI_PM_PROP_ACPI_PCIHP_BRIDGE,
242                                           NULL);
243 
244     if (acpi_pcihp) {
245         object_register_sugar_prop(TYPE_PCIE_SLOT, "native-hotplug",
246                                    "false", true);
247     }
248 
249     /* irq lines */
250     gsi_state = pc_gsi_create(&x86ms->gsi, pcmc->pci_enabled);
251 
252     ich9_lpc = ICH9_LPC_DEVICE(lpc);
253     lpc_dev = DEVICE(lpc);
254     for (i = 0; i < GSI_NUM_PINS; i++) {
255         qdev_connect_gpio_out_named(lpc_dev, ICH9_GPIO_GSI, i, x86ms->gsi[i]);
256     }
257     pci_bus_irqs(host_bus, ich9_lpc_set_irq, ich9_lpc_map_irq, ich9_lpc,
258                  ICH9_LPC_NB_PIRQS);
259     pci_bus_set_route_irq_fn(host_bus, ich9_route_intx_pin_to_irq);
260     isa_bus = ich9_lpc->isa_bus;
261 
262     pc_i8259_create(isa_bus, gsi_state->i8259_irq);
263 
264     if (pcmc->pci_enabled) {
265         ioapic_init_gsi(gsi_state, "q35");
266     }
267 
268     if (tcg_enabled()) {
269         x86_register_ferr_irq(x86ms->gsi[13]);
270     }
271 
272     assert(pcms->vmport != ON_OFF_AUTO__MAX);
273     if (pcms->vmport == ON_OFF_AUTO_AUTO) {
274         pcms->vmport = ON_OFF_AUTO_ON;
275     }
276 
277     /* init basic PC hardware */
278     pc_basic_device_init(pcms, isa_bus, x86ms->gsi, &rtc_state, !mc->no_floppy,
279                          0xff0104);
280 
281     /* connect pm stuff to lpc */
282     ich9_lpc_pm_init(lpc, x86_machine_is_smm_enabled(x86ms));
283 
284     if (pcms->sata_enabled) {
285         /* ahci and SATA device, for q35 1 ahci controller is built-in */
286         ahci = pci_create_simple_multifunction(host_bus,
287                                                PCI_DEVFN(ICH9_SATA1_DEV,
288                                                          ICH9_SATA1_FUNC),
289                                                true, "ich9-ahci");
290         idebus[0] = qdev_get_child_bus(&ahci->qdev, "ide.0");
291         idebus[1] = qdev_get_child_bus(&ahci->qdev, "ide.1");
292         g_assert(MAX_SATA_PORTS == ahci_get_num_ports(ahci));
293         ide_drive_get(hd, ahci_get_num_ports(ahci));
294         ahci_ide_create_devs(ahci, hd);
295     } else {
296         idebus[0] = idebus[1] = NULL;
297     }
298 
299     if (machine_usb(machine)) {
300         /* Should we create 6 UHCI according to ich9 spec? */
301         ehci_create_ich9_with_companions(host_bus, 0x1d);
302     }
303 
304     if (pcms->smbus_enabled) {
305         /* TODO: Populate SPD eeprom data.  */
306         pcms->smbus = ich9_smb_init(host_bus,
307                                     PCI_DEVFN(ICH9_SMB_DEV, ICH9_SMB_FUNC),
308                                     0xb100);
309         smbus_eeprom_init(pcms->smbus, 8, NULL, 0);
310     }
311 
312     pc_cmos_init(pcms, idebus[0], idebus[1], rtc_state);
313 
314     /* the rest devices to which pci devfn is automatically assigned */
315     pc_vga_init(isa_bus, host_bus);
316     pc_nic_init(pcmc, isa_bus, host_bus);
317 
318     if (machine->nvdimms_state->is_enabled) {
319         nvdimm_init_acpi_state(machine->nvdimms_state, system_io,
320                                x86_nvdimm_acpi_dsmio,
321                                x86ms->fw_cfg, OBJECT(pcms));
322     }
323 }
324 
325 #define DEFINE_Q35_MACHINE(suffix, name, compatfn, optionfn) \
326     static void pc_init_##suffix(MachineState *machine) \
327     { \
328         void (*compat)(MachineState *m) = (compatfn); \
329         if (compat) { \
330             compat(machine); \
331         } \
332         pc_q35_init(machine); \
333     } \
334     DEFINE_PC_MACHINE(suffix, name, pc_init_##suffix, optionfn)
335 
336 
337 static void pc_q35_machine_options(MachineClass *m)
338 {
339     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
340     pcmc->default_nic_model = "e1000e";
341     pcmc->pci_root_uid = 0;
342 
343     m->family = "pc_q35";
344     m->desc = "Standard PC (Q35 + ICH9, 2009)";
345     m->units_per_default_bus = 1;
346     m->default_machine_opts = "firmware=bios-256k.bin";
347     m->default_display = "std";
348     m->default_kernel_irqchip_split = false;
349     m->no_floppy = 1;
350     machine_class_allow_dynamic_sysbus_dev(m, TYPE_AMD_IOMMU_DEVICE);
351     machine_class_allow_dynamic_sysbus_dev(m, TYPE_INTEL_IOMMU_DEVICE);
352     machine_class_allow_dynamic_sysbus_dev(m, TYPE_RAMFB_DEVICE);
353     machine_class_allow_dynamic_sysbus_dev(m, TYPE_VMBUS_BRIDGE);
354     m->max_cpus = 288;
355 }
356 
357 static void pc_q35_6_2_machine_options(MachineClass *m)
358 {
359     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
360     pc_q35_machine_options(m);
361     m->alias = "q35";
362     pcmc->default_cpu_version = 1;
363 }
364 
365 DEFINE_Q35_MACHINE(v6_2, "pc-q35-6.2", NULL,
366                    pc_q35_6_2_machine_options);
367 
368 static void pc_q35_6_1_machine_options(MachineClass *m)
369 {
370     pc_q35_6_2_machine_options(m);
371     m->alias = NULL;
372     compat_props_add(m->compat_props, hw_compat_6_1, hw_compat_6_1_len);
373     compat_props_add(m->compat_props, pc_compat_6_1, pc_compat_6_1_len);
374 }
375 
376 DEFINE_Q35_MACHINE(v6_1, "pc-q35-6.1", NULL,
377                    pc_q35_6_1_machine_options);
378 
379 static void pc_q35_6_0_machine_options(MachineClass *m)
380 {
381     pc_q35_6_1_machine_options(m);
382     m->alias = NULL;
383     compat_props_add(m->compat_props, hw_compat_6_0, hw_compat_6_0_len);
384     compat_props_add(m->compat_props, pc_compat_6_0, pc_compat_6_0_len);
385 }
386 
387 DEFINE_Q35_MACHINE(v6_0, "pc-q35-6.0", NULL,
388                    pc_q35_6_0_machine_options);
389 
390 static void pc_q35_5_2_machine_options(MachineClass *m)
391 {
392     pc_q35_6_0_machine_options(m);
393     m->alias = NULL;
394     compat_props_add(m->compat_props, hw_compat_5_2, hw_compat_5_2_len);
395     compat_props_add(m->compat_props, pc_compat_5_2, pc_compat_5_2_len);
396 }
397 
398 DEFINE_Q35_MACHINE(v5_2, "pc-q35-5.2", NULL,
399                    pc_q35_5_2_machine_options);
400 
401 static void pc_q35_5_1_machine_options(MachineClass *m)
402 {
403     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
404 
405     pc_q35_5_2_machine_options(m);
406     m->alias = NULL;
407     compat_props_add(m->compat_props, hw_compat_5_1, hw_compat_5_1_len);
408     compat_props_add(m->compat_props, pc_compat_5_1, pc_compat_5_1_len);
409     pcmc->kvmclock_create_always = false;
410     pcmc->pci_root_uid = 1;
411 }
412 
413 DEFINE_Q35_MACHINE(v5_1, "pc-q35-5.1", NULL,
414                    pc_q35_5_1_machine_options);
415 
416 static void pc_q35_5_0_machine_options(MachineClass *m)
417 {
418     pc_q35_5_1_machine_options(m);
419     m->alias = NULL;
420     m->numa_mem_supported = true;
421     compat_props_add(m->compat_props, hw_compat_5_0, hw_compat_5_0_len);
422     compat_props_add(m->compat_props, pc_compat_5_0, pc_compat_5_0_len);
423     m->auto_enable_numa_with_memdev = false;
424 }
425 
426 DEFINE_Q35_MACHINE(v5_0, "pc-q35-5.0", NULL,
427                    pc_q35_5_0_machine_options);
428 
429 static void pc_q35_4_2_machine_options(MachineClass *m)
430 {
431     pc_q35_5_0_machine_options(m);
432     m->alias = NULL;
433     compat_props_add(m->compat_props, hw_compat_4_2, hw_compat_4_2_len);
434     compat_props_add(m->compat_props, pc_compat_4_2, pc_compat_4_2_len);
435 }
436 
437 DEFINE_Q35_MACHINE(v4_2, "pc-q35-4.2", NULL,
438                    pc_q35_4_2_machine_options);
439 
440 static void pc_q35_4_1_machine_options(MachineClass *m)
441 {
442     pc_q35_4_2_machine_options(m);
443     m->alias = NULL;
444     compat_props_add(m->compat_props, hw_compat_4_1, hw_compat_4_1_len);
445     compat_props_add(m->compat_props, pc_compat_4_1, pc_compat_4_1_len);
446 }
447 
448 DEFINE_Q35_MACHINE(v4_1, "pc-q35-4.1", NULL,
449                    pc_q35_4_1_machine_options);
450 
451 static void pc_q35_4_0_1_machine_options(MachineClass *m)
452 {
453     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
454     pc_q35_4_1_machine_options(m);
455     m->alias = NULL;
456     pcmc->default_cpu_version = CPU_VERSION_LEGACY;
457     /*
458      * This is the default machine for the 4.0-stable branch. It is basically
459      * a 4.0 that doesn't use split irqchip by default. It MUST hence apply the
460      * 4.0 compat props.
461      */
462     compat_props_add(m->compat_props, hw_compat_4_0, hw_compat_4_0_len);
463     compat_props_add(m->compat_props, pc_compat_4_0, pc_compat_4_0_len);
464 }
465 
466 DEFINE_Q35_MACHINE(v4_0_1, "pc-q35-4.0.1", NULL,
467                    pc_q35_4_0_1_machine_options);
468 
469 static void pc_q35_4_0_machine_options(MachineClass *m)
470 {
471     pc_q35_4_0_1_machine_options(m);
472     m->default_kernel_irqchip_split = true;
473     m->alias = NULL;
474     /* Compat props are applied by the 4.0.1 machine */
475 }
476 
477 DEFINE_Q35_MACHINE(v4_0, "pc-q35-4.0", NULL,
478                    pc_q35_4_0_machine_options);
479 
480 static void pc_q35_3_1_machine_options(MachineClass *m)
481 {
482     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
483 
484     pc_q35_4_0_machine_options(m);
485     m->default_kernel_irqchip_split = false;
486     pcmc->do_not_add_smb_acpi = true;
487     m->smbus_no_migration_support = true;
488     m->alias = NULL;
489     pcmc->pvh_enabled = false;
490     compat_props_add(m->compat_props, hw_compat_3_1, hw_compat_3_1_len);
491     compat_props_add(m->compat_props, pc_compat_3_1, pc_compat_3_1_len);
492 }
493 
494 DEFINE_Q35_MACHINE(v3_1, "pc-q35-3.1", NULL,
495                    pc_q35_3_1_machine_options);
496 
497 static void pc_q35_3_0_machine_options(MachineClass *m)
498 {
499     pc_q35_3_1_machine_options(m);
500     compat_props_add(m->compat_props, hw_compat_3_0, hw_compat_3_0_len);
501     compat_props_add(m->compat_props, pc_compat_3_0, pc_compat_3_0_len);
502 }
503 
504 DEFINE_Q35_MACHINE(v3_0, "pc-q35-3.0", NULL,
505                     pc_q35_3_0_machine_options);
506 
507 static void pc_q35_2_12_machine_options(MachineClass *m)
508 {
509     pc_q35_3_0_machine_options(m);
510     compat_props_add(m->compat_props, hw_compat_2_12, hw_compat_2_12_len);
511     compat_props_add(m->compat_props, pc_compat_2_12, pc_compat_2_12_len);
512 }
513 
514 DEFINE_Q35_MACHINE(v2_12, "pc-q35-2.12", NULL,
515                    pc_q35_2_12_machine_options);
516 
517 static void pc_q35_2_11_machine_options(MachineClass *m)
518 {
519     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
520 
521     pc_q35_2_12_machine_options(m);
522     pcmc->default_nic_model = "e1000";
523     compat_props_add(m->compat_props, hw_compat_2_11, hw_compat_2_11_len);
524     compat_props_add(m->compat_props, pc_compat_2_11, pc_compat_2_11_len);
525 }
526 
527 DEFINE_Q35_MACHINE(v2_11, "pc-q35-2.11", NULL,
528                    pc_q35_2_11_machine_options);
529 
530 static void pc_q35_2_10_machine_options(MachineClass *m)
531 {
532     pc_q35_2_11_machine_options(m);
533     compat_props_add(m->compat_props, hw_compat_2_10, hw_compat_2_10_len);
534     compat_props_add(m->compat_props, pc_compat_2_10, pc_compat_2_10_len);
535     m->auto_enable_numa_with_memhp = false;
536 }
537 
538 DEFINE_Q35_MACHINE(v2_10, "pc-q35-2.10", NULL,
539                    pc_q35_2_10_machine_options);
540 
541 static void pc_q35_2_9_machine_options(MachineClass *m)
542 {
543     pc_q35_2_10_machine_options(m);
544     compat_props_add(m->compat_props, hw_compat_2_9, hw_compat_2_9_len);
545     compat_props_add(m->compat_props, pc_compat_2_9, pc_compat_2_9_len);
546 }
547 
548 DEFINE_Q35_MACHINE(v2_9, "pc-q35-2.9", NULL,
549                    pc_q35_2_9_machine_options);
550 
551 static void pc_q35_2_8_machine_options(MachineClass *m)
552 {
553     pc_q35_2_9_machine_options(m);
554     compat_props_add(m->compat_props, hw_compat_2_8, hw_compat_2_8_len);
555     compat_props_add(m->compat_props, pc_compat_2_8, pc_compat_2_8_len);
556 }
557 
558 DEFINE_Q35_MACHINE(v2_8, "pc-q35-2.8", NULL,
559                    pc_q35_2_8_machine_options);
560 
561 static void pc_q35_2_7_machine_options(MachineClass *m)
562 {
563     pc_q35_2_8_machine_options(m);
564     m->max_cpus = 255;
565     compat_props_add(m->compat_props, hw_compat_2_7, hw_compat_2_7_len);
566     compat_props_add(m->compat_props, pc_compat_2_7, pc_compat_2_7_len);
567 }
568 
569 DEFINE_Q35_MACHINE(v2_7, "pc-q35-2.7", NULL,
570                    pc_q35_2_7_machine_options);
571 
572 static void pc_q35_2_6_machine_options(MachineClass *m)
573 {
574     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
575 
576     pc_q35_2_7_machine_options(m);
577     pcmc->legacy_cpu_hotplug = true;
578     pcmc->linuxboot_dma_enabled = false;
579     compat_props_add(m->compat_props, hw_compat_2_6, hw_compat_2_6_len);
580     compat_props_add(m->compat_props, pc_compat_2_6, pc_compat_2_6_len);
581 }
582 
583 DEFINE_Q35_MACHINE(v2_6, "pc-q35-2.6", NULL,
584                    pc_q35_2_6_machine_options);
585 
586 static void pc_q35_2_5_machine_options(MachineClass *m)
587 {
588     X86MachineClass *x86mc = X86_MACHINE_CLASS(m);
589 
590     pc_q35_2_6_machine_options(m);
591     x86mc->save_tsc_khz = false;
592     m->legacy_fw_cfg_order = 1;
593     compat_props_add(m->compat_props, hw_compat_2_5, hw_compat_2_5_len);
594     compat_props_add(m->compat_props, pc_compat_2_5, pc_compat_2_5_len);
595 }
596 
597 DEFINE_Q35_MACHINE(v2_5, "pc-q35-2.5", NULL,
598                    pc_q35_2_5_machine_options);
599 
600 static void pc_q35_2_4_machine_options(MachineClass *m)
601 {
602     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
603 
604     pc_q35_2_5_machine_options(m);
605     m->hw_version = "2.4.0";
606     pcmc->broken_reserved_end = true;
607     compat_props_add(m->compat_props, hw_compat_2_4, hw_compat_2_4_len);
608     compat_props_add(m->compat_props, pc_compat_2_4, pc_compat_2_4_len);
609 }
610 
611 DEFINE_Q35_MACHINE(v2_4, "pc-q35-2.4", NULL,
612                    pc_q35_2_4_machine_options);
613