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31#include "qemu/osdep.h"
32#include "qemu/units.h"
33#include "hw/loader.h"
34#include "sysemu/arch_init.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/qdev-properties.h"
41#include "exec/address-spaces.h"
42#include "hw/i386/x86.h"
43#include "hw/i386/pc.h"
44#include "hw/i386/ich9.h"
45#include "hw/i386/amd_iommu.h"
46#include "hw/i386/intel_iommu.h"
47#include "hw/display/ramfb.h"
48#include "hw/firmware/smbios.h"
49#include "hw/ide/pci.h"
50#include "hw/ide/ahci.h"
51#include "hw/usb.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
60#define MAX_SATA_PORTS 6
61
62struct ehci_companions {
63 const char *name;
64 int func;
65 int port;
66};
67
68static const struct ehci_companions ich9_1d[] = {
69 { .name = "ich9-usb-uhci1", .func = 0, .port = 0 },
70 { .name = "ich9-usb-uhci2", .func = 1, .port = 2 },
71 { .name = "ich9-usb-uhci3", .func = 2, .port = 4 },
72};
73
74static const struct ehci_companions ich9_1a[] = {
75 { .name = "ich9-usb-uhci4", .func = 0, .port = 0 },
76 { .name = "ich9-usb-uhci5", .func = 1, .port = 2 },
77 { .name = "ich9-usb-uhci6", .func = 2, .port = 4 },
78};
79
80static 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
116static 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
141
142
143
144
145
146
147
148 if (machine->ram_size >= 0xb0000000) {
149 lowmem = 0x80000000;
150 } else {
151 lowmem = 0xb0000000;
152 }
153
154
155
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
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
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
205 pc_memory_init(pcms, get_system_memory(), rom_memory, &ram_memory);
206
207
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
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
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
241 gsi_state = pc_gsi_create(&x86ms->gsi, pcmc->pci_enabled);
242
243 ich9_lpc = ICH9_LPC_DEVICE(lpc);
244 lpc_dev = DEVICE(lpc);
245 for (i = 0; i < GSI_NUM_PINS; i++) {
246 qdev_connect_gpio_out_named(lpc_dev, ICH9_GPIO_GSI, i, x86ms->gsi[i]);
247 }
248 pci_bus_irqs(host_bus, ich9_lpc_set_irq, ich9_lpc_map_irq, ich9_lpc,
249 ICH9_LPC_NB_PIRQS);
250 pci_bus_set_route_irq_fn(host_bus, ich9_route_intx_pin_to_irq);
251 isa_bus = ich9_lpc->isa_bus;
252
253 pc_i8259_create(isa_bus, gsi_state->i8259_irq);
254
255 if (pcmc->pci_enabled) {
256 ioapic_init_gsi(gsi_state, "q35");
257 }
258
259 if (tcg_enabled()) {
260 x86_register_ferr_irq(x86ms->gsi[13]);
261 }
262
263 assert(pcms->vmport != ON_OFF_AUTO__MAX);
264 if (pcms->vmport == ON_OFF_AUTO_AUTO) {
265 pcms->vmport = ON_OFF_AUTO_ON;
266 }
267
268
269 pc_basic_device_init(pcms, isa_bus, x86ms->gsi, &rtc_state, !mc->no_floppy,
270 0xff0104);
271
272
273 ich9_lpc_pm_init(lpc, x86_machine_is_smm_enabled(x86ms));
274
275 if (pcms->sata_enabled) {
276
277 ahci = pci_create_simple_multifunction(host_bus,
278 PCI_DEVFN(ICH9_SATA1_DEV,
279 ICH9_SATA1_FUNC),
280 true, "ich9-ahci");
281 idebus[0] = qdev_get_child_bus(&ahci->qdev, "ide.0");
282 idebus[1] = qdev_get_child_bus(&ahci->qdev, "ide.1");
283 g_assert(MAX_SATA_PORTS == ahci_get_num_ports(ahci));
284 ide_drive_get(hd, ahci_get_num_ports(ahci));
285 ahci_ide_create_devs(ahci, hd);
286 } else {
287 idebus[0] = idebus[1] = NULL;
288 }
289
290 if (machine_usb(machine)) {
291
292 ehci_create_ich9_with_companions(host_bus, 0x1d);
293 }
294
295 if (pcms->smbus_enabled) {
296
297 pcms->smbus = ich9_smb_init(host_bus,
298 PCI_DEVFN(ICH9_SMB_DEV, ICH9_SMB_FUNC),
299 0xb100);
300 smbus_eeprom_init(pcms->smbus, 8, NULL, 0);
301 }
302
303 pc_cmos_init(pcms, idebus[0], idebus[1], rtc_state);
304
305
306 pc_vga_init(isa_bus, host_bus);
307 pc_nic_init(pcmc, isa_bus, host_bus);
308
309 if (machine->nvdimms_state->is_enabled) {
310 nvdimm_init_acpi_state(machine->nvdimms_state, system_io,
311 x86_nvdimm_acpi_dsmio,
312 x86ms->fw_cfg, OBJECT(pcms));
313 }
314}
315
316#define DEFINE_Q35_MACHINE(suffix, name, compatfn, optionfn) \
317 static void pc_init_##suffix(MachineState *machine) \
318 { \
319 void (*compat)(MachineState *m) = (compatfn); \
320 if (compat) { \
321 compat(machine); \
322 } \
323 pc_q35_init(machine); \
324 } \
325 DEFINE_PC_MACHINE(suffix, name, pc_init_##suffix, optionfn)
326
327
328static void pc_q35_machine_options(MachineClass *m)
329{
330 PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
331 pcmc->default_nic_model = "e1000e";
332 pcmc->pci_root_uid = 0;
333
334 m->family = "pc_q35";
335 m->desc = "Standard PC (Q35 + ICH9, 2009)";
336 m->units_per_default_bus = 1;
337 m->default_machine_opts = "firmware=bios-256k.bin";
338 m->default_display = "std";
339 m->default_kernel_irqchip_split = false;
340 m->no_floppy = 1;
341 machine_class_allow_dynamic_sysbus_dev(m, TYPE_AMD_IOMMU_DEVICE);
342 machine_class_allow_dynamic_sysbus_dev(m, TYPE_INTEL_IOMMU_DEVICE);
343 machine_class_allow_dynamic_sysbus_dev(m, TYPE_RAMFB_DEVICE);
344 machine_class_allow_dynamic_sysbus_dev(m, TYPE_VMBUS_BRIDGE);
345 m->max_cpus = 288;
346}
347
348static void pc_q35_6_0_machine_options(MachineClass *m)
349{
350 PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
351 pc_q35_machine_options(m);
352 m->alias = "q35";
353 pcmc->default_cpu_version = 1;
354}
355
356DEFINE_Q35_MACHINE(v6_0, "pc-q35-6.0", NULL,
357 pc_q35_6_0_machine_options);
358
359static void pc_q35_5_2_machine_options(MachineClass *m)
360{
361 pc_q35_6_0_machine_options(m);
362 m->alias = NULL;
363 compat_props_add(m->compat_props, hw_compat_5_2, hw_compat_5_2_len);
364 compat_props_add(m->compat_props, pc_compat_5_2, pc_compat_5_2_len);
365}
366
367DEFINE_Q35_MACHINE(v5_2, "pc-q35-5.2", NULL,
368 pc_q35_5_2_machine_options);
369
370static void pc_q35_5_1_machine_options(MachineClass *m)
371{
372 PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
373
374 pc_q35_5_2_machine_options(m);
375 m->alias = NULL;
376 compat_props_add(m->compat_props, hw_compat_5_1, hw_compat_5_1_len);
377 compat_props_add(m->compat_props, pc_compat_5_1, pc_compat_5_1_len);
378 pcmc->kvmclock_create_always = false;
379 pcmc->pci_root_uid = 1;
380}
381
382DEFINE_Q35_MACHINE(v5_1, "pc-q35-5.1", NULL,
383 pc_q35_5_1_machine_options);
384
385static void pc_q35_5_0_machine_options(MachineClass *m)
386{
387 pc_q35_5_1_machine_options(m);
388 m->alias = NULL;
389 m->numa_mem_supported = true;
390 compat_props_add(m->compat_props, hw_compat_5_0, hw_compat_5_0_len);
391 compat_props_add(m->compat_props, pc_compat_5_0, pc_compat_5_0_len);
392 m->auto_enable_numa_with_memdev = false;
393}
394
395DEFINE_Q35_MACHINE(v5_0, "pc-q35-5.0", NULL,
396 pc_q35_5_0_machine_options);
397
398static void pc_q35_4_2_machine_options(MachineClass *m)
399{
400 pc_q35_5_0_machine_options(m);
401 m->alias = NULL;
402 compat_props_add(m->compat_props, hw_compat_4_2, hw_compat_4_2_len);
403 compat_props_add(m->compat_props, pc_compat_4_2, pc_compat_4_2_len);
404}
405
406DEFINE_Q35_MACHINE(v4_2, "pc-q35-4.2", NULL,
407 pc_q35_4_2_machine_options);
408
409static void pc_q35_4_1_machine_options(MachineClass *m)
410{
411 pc_q35_4_2_machine_options(m);
412 m->alias = NULL;
413 compat_props_add(m->compat_props, hw_compat_4_1, hw_compat_4_1_len);
414 compat_props_add(m->compat_props, pc_compat_4_1, pc_compat_4_1_len);
415}
416
417DEFINE_Q35_MACHINE(v4_1, "pc-q35-4.1", NULL,
418 pc_q35_4_1_machine_options);
419
420static void pc_q35_4_0_1_machine_options(MachineClass *m)
421{
422 PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
423 pc_q35_4_1_machine_options(m);
424 m->alias = NULL;
425 pcmc->default_cpu_version = CPU_VERSION_LEGACY;
426
427
428
429
430
431 compat_props_add(m->compat_props, hw_compat_4_0, hw_compat_4_0_len);
432 compat_props_add(m->compat_props, pc_compat_4_0, pc_compat_4_0_len);
433}
434
435DEFINE_Q35_MACHINE(v4_0_1, "pc-q35-4.0.1", NULL,
436 pc_q35_4_0_1_machine_options);
437
438static void pc_q35_4_0_machine_options(MachineClass *m)
439{
440 pc_q35_4_0_1_machine_options(m);
441 m->default_kernel_irqchip_split = true;
442 m->alias = NULL;
443
444}
445
446DEFINE_Q35_MACHINE(v4_0, "pc-q35-4.0", NULL,
447 pc_q35_4_0_machine_options);
448
449static void pc_q35_3_1_machine_options(MachineClass *m)
450{
451 PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
452
453 pc_q35_4_0_machine_options(m);
454 m->default_kernel_irqchip_split = false;
455 pcmc->do_not_add_smb_acpi = true;
456 m->smbus_no_migration_support = true;
457 m->alias = NULL;
458 pcmc->pvh_enabled = false;
459 compat_props_add(m->compat_props, hw_compat_3_1, hw_compat_3_1_len);
460 compat_props_add(m->compat_props, pc_compat_3_1, pc_compat_3_1_len);
461}
462
463DEFINE_Q35_MACHINE(v3_1, "pc-q35-3.1", NULL,
464 pc_q35_3_1_machine_options);
465
466static void pc_q35_3_0_machine_options(MachineClass *m)
467{
468 pc_q35_3_1_machine_options(m);
469 compat_props_add(m->compat_props, hw_compat_3_0, hw_compat_3_0_len);
470 compat_props_add(m->compat_props, pc_compat_3_0, pc_compat_3_0_len);
471}
472
473DEFINE_Q35_MACHINE(v3_0, "pc-q35-3.0", NULL,
474 pc_q35_3_0_machine_options);
475
476static void pc_q35_2_12_machine_options(MachineClass *m)
477{
478 pc_q35_3_0_machine_options(m);
479 compat_props_add(m->compat_props, hw_compat_2_12, hw_compat_2_12_len);
480 compat_props_add(m->compat_props, pc_compat_2_12, pc_compat_2_12_len);
481}
482
483DEFINE_Q35_MACHINE(v2_12, "pc-q35-2.12", NULL,
484 pc_q35_2_12_machine_options);
485
486static void pc_q35_2_11_machine_options(MachineClass *m)
487{
488 PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
489
490 pc_q35_2_12_machine_options(m);
491 pcmc->default_nic_model = "e1000";
492 compat_props_add(m->compat_props, hw_compat_2_11, hw_compat_2_11_len);
493 compat_props_add(m->compat_props, pc_compat_2_11, pc_compat_2_11_len);
494}
495
496DEFINE_Q35_MACHINE(v2_11, "pc-q35-2.11", NULL,
497 pc_q35_2_11_machine_options);
498
499static void pc_q35_2_10_machine_options(MachineClass *m)
500{
501 pc_q35_2_11_machine_options(m);
502 compat_props_add(m->compat_props, hw_compat_2_10, hw_compat_2_10_len);
503 compat_props_add(m->compat_props, pc_compat_2_10, pc_compat_2_10_len);
504 m->auto_enable_numa_with_memhp = false;
505}
506
507DEFINE_Q35_MACHINE(v2_10, "pc-q35-2.10", NULL,
508 pc_q35_2_10_machine_options);
509
510static void pc_q35_2_9_machine_options(MachineClass *m)
511{
512 pc_q35_2_10_machine_options(m);
513 compat_props_add(m->compat_props, hw_compat_2_9, hw_compat_2_9_len);
514 compat_props_add(m->compat_props, pc_compat_2_9, pc_compat_2_9_len);
515}
516
517DEFINE_Q35_MACHINE(v2_9, "pc-q35-2.9", NULL,
518 pc_q35_2_9_machine_options);
519
520static void pc_q35_2_8_machine_options(MachineClass *m)
521{
522 pc_q35_2_9_machine_options(m);
523 compat_props_add(m->compat_props, hw_compat_2_8, hw_compat_2_8_len);
524 compat_props_add(m->compat_props, pc_compat_2_8, pc_compat_2_8_len);
525}
526
527DEFINE_Q35_MACHINE(v2_8, "pc-q35-2.8", NULL,
528 pc_q35_2_8_machine_options);
529
530static void pc_q35_2_7_machine_options(MachineClass *m)
531{
532 pc_q35_2_8_machine_options(m);
533 m->max_cpus = 255;
534 compat_props_add(m->compat_props, hw_compat_2_7, hw_compat_2_7_len);
535 compat_props_add(m->compat_props, pc_compat_2_7, pc_compat_2_7_len);
536}
537
538DEFINE_Q35_MACHINE(v2_7, "pc-q35-2.7", NULL,
539 pc_q35_2_7_machine_options);
540
541static void pc_q35_2_6_machine_options(MachineClass *m)
542{
543 PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
544
545 pc_q35_2_7_machine_options(m);
546 pcmc->legacy_cpu_hotplug = true;
547 pcmc->linuxboot_dma_enabled = false;
548 compat_props_add(m->compat_props, hw_compat_2_6, hw_compat_2_6_len);
549 compat_props_add(m->compat_props, pc_compat_2_6, pc_compat_2_6_len);
550}
551
552DEFINE_Q35_MACHINE(v2_6, "pc-q35-2.6", NULL,
553 pc_q35_2_6_machine_options);
554
555static void pc_q35_2_5_machine_options(MachineClass *m)
556{
557 X86MachineClass *x86mc = X86_MACHINE_CLASS(m);
558
559 pc_q35_2_6_machine_options(m);
560 x86mc->save_tsc_khz = false;
561 m->legacy_fw_cfg_order = 1;
562 compat_props_add(m->compat_props, hw_compat_2_5, hw_compat_2_5_len);
563 compat_props_add(m->compat_props, pc_compat_2_5, pc_compat_2_5_len);
564}
565
566DEFINE_Q35_MACHINE(v2_5, "pc-q35-2.5", NULL,
567 pc_q35_2_5_machine_options);
568
569static void pc_q35_2_4_machine_options(MachineClass *m)
570{
571 PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
572
573 pc_q35_2_5_machine_options(m);
574 m->hw_version = "2.4.0";
575 pcmc->broken_reserved_end = true;
576 compat_props_add(m->compat_props, hw_compat_2_4, hw_compat_2_4_len);
577 compat_props_add(m->compat_props, pc_compat_2_4, pc_compat_2_4_len);
578}
579
580DEFINE_Q35_MACHINE(v2_4, "pc-q35-2.4", NULL,
581 pc_q35_2_4_machine_options);
582
