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31#include "qemu/osdep.h"
32#include "qemu/units.h"
33#include "hw/hw.h"
34#include "hw/loader.h"
35#include "sysemu/arch_init.h"
36#include "hw/i2c/smbus.h"
37#include "hw/boards.h"
38#include "hw/timer/mc146818rtc.h"
39#include "hw/xen/xen.h"
40#include "sysemu/kvm.h"
41#include "kvm_i386.h"
42#include "hw/kvm/clock.h"
43#include "hw/pci-host/q35.h"
44#include "exec/address-spaces.h"
45#include "hw/i386/pc.h"
46#include "hw/i386/ich9.h"
47#include "hw/i386/amd_iommu.h"
48#include "hw/i386/intel_iommu.h"
49#include "hw/display/ramfb.h"
50#include "hw/smbios/smbios.h"
51#include "hw/ide/pci.h"
52#include "hw/ide/ahci.h"
53#include "hw/usb.h"
54#include "qapi/error.h"
55#include "qemu/error-report.h"
56#include "sysemu/numa.h"
57
58
59#define MAX_SATA_PORTS 6
60
61
62static void pc_q35_init(MachineState *machine)
63{
64 PCMachineState *pcms = PC_MACHINE(machine);
65 PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms);
66 Q35PCIHost *q35_host;
67 PCIHostState *phb;
68 PCIBus *host_bus;
69 PCIDevice *lpc;
70 DeviceState *lpc_dev;
71 BusState *idebus[MAX_SATA_PORTS];
72 ISADevice *rtc_state;
73 MemoryRegion *system_io = get_system_io();
74 MemoryRegion *pci_memory;
75 MemoryRegion *rom_memory;
76 MemoryRegion *ram_memory;
77 GSIState *gsi_state;
78 ISABus *isa_bus;
79 qemu_irq *i8259;
80 int i;
81 ICH9LPCState *ich9_lpc;
82 PCIDevice *ahci;
83 ram_addr_t lowmem;
84 DriveInfo *hd[MAX_SATA_PORTS];
85 MachineClass *mc = MACHINE_GET_CLASS(machine);
86
87
88
89
90
91
92
93
94 if (machine->ram_size >= 0xb0000000) {
95 lowmem = 0x80000000;
96 } else {
97 lowmem = 0xb0000000;
98 }
99
100
101
102
103 if (!pcms->max_ram_below_4g) {
104 pcms->max_ram_below_4g = 1ULL << 32; ;
105 }
106 if (lowmem > pcms->max_ram_below_4g) {
107 lowmem = pcms->max_ram_below_4g;
108 if (machine->ram_size - lowmem > lowmem &&
109 lowmem & (1 * GiB - 1)) {
110 warn_report("There is possibly poor performance as the ram size "
111 " (0x%" PRIx64 ") is more then twice the size of"
112 " max-ram-below-4g (%"PRIu64") and"
113 " max-ram-below-4g is not a multiple of 1G.",
114 (uint64_t)machine->ram_size, pcms->max_ram_below_4g);
115 }
116 }
117
118 if (machine->ram_size >= lowmem) {
119 pcms->above_4g_mem_size = machine->ram_size - lowmem;
120 pcms->below_4g_mem_size = lowmem;
121 } else {
122 pcms->above_4g_mem_size = 0;
123 pcms->below_4g_mem_size = machine->ram_size;
124 }
125
126 if (xen_enabled()) {
127 xen_hvm_init(pcms, &ram_memory);
128 }
129
130 pc_cpus_init(pcms);
131
132 kvmclock_create();
133
134
135 if (pcmc->pci_enabled) {
136 pci_memory = g_new(MemoryRegion, 1);
137 memory_region_init(pci_memory, NULL, "pci", UINT64_MAX);
138 rom_memory = pci_memory;
139 } else {
140 pci_memory = NULL;
141 rom_memory = get_system_memory();
142 }
143
144 pc_guest_info_init(pcms);
145
146 if (pcmc->smbios_defaults) {
147
148 smbios_set_defaults("QEMU", "Standard PC (Q35 + ICH9, 2009)",
149 mc->name, pcmc->smbios_legacy_mode,
150 pcmc->smbios_uuid_encoded,
151 SMBIOS_ENTRY_POINT_21);
152 }
153
154
155 if (!xen_enabled()) {
156 pc_memory_init(pcms, get_system_memory(),
157 rom_memory, &ram_memory);
158 }
159
160
161 gsi_state = g_malloc0(sizeof(*gsi_state));
162 if (kvm_ioapic_in_kernel()) {
163 kvm_pc_setup_irq_routing(pcmc->pci_enabled);
164 pcms->gsi = qemu_allocate_irqs(kvm_pc_gsi_handler, gsi_state,
165 GSI_NUM_PINS);
166 } else {
167 pcms->gsi = qemu_allocate_irqs(gsi_handler, gsi_state, GSI_NUM_PINS);
168 }
169
170
171 q35_host = Q35_HOST_DEVICE(qdev_create(NULL, TYPE_Q35_HOST_DEVICE));
172
173 object_property_add_child(qdev_get_machine(), "q35", OBJECT(q35_host), NULL);
174 object_property_set_link(OBJECT(q35_host), OBJECT(ram_memory),
175 MCH_HOST_PROP_RAM_MEM, NULL);
176 object_property_set_link(OBJECT(q35_host), OBJECT(pci_memory),
177 MCH_HOST_PROP_PCI_MEM, NULL);
178 object_property_set_link(OBJECT(q35_host), OBJECT(get_system_memory()),
179 MCH_HOST_PROP_SYSTEM_MEM, NULL);
180 object_property_set_link(OBJECT(q35_host), OBJECT(system_io),
181 MCH_HOST_PROP_IO_MEM, NULL);
182 object_property_set_int(OBJECT(q35_host), pcms->below_4g_mem_size,
183 PCI_HOST_BELOW_4G_MEM_SIZE, NULL);
184 object_property_set_int(OBJECT(q35_host), pcms->above_4g_mem_size,
185 PCI_HOST_ABOVE_4G_MEM_SIZE, NULL);
186
187 qdev_init_nofail(DEVICE(q35_host));
188 phb = PCI_HOST_BRIDGE(q35_host);
189 host_bus = phb->bus;
190
191 lpc = pci_create_simple_multifunction(host_bus, PCI_DEVFN(ICH9_LPC_DEV,
192 ICH9_LPC_FUNC), true,
193 TYPE_ICH9_LPC_DEVICE);
194
195 object_property_add_link(OBJECT(machine), PC_MACHINE_ACPI_DEVICE_PROP,
196 TYPE_HOTPLUG_HANDLER,
197 (Object **)&pcms->acpi_dev,
198 object_property_allow_set_link,
199 OBJ_PROP_LINK_STRONG, &error_abort);
200 object_property_set_link(OBJECT(machine), OBJECT(lpc),
201 PC_MACHINE_ACPI_DEVICE_PROP, &error_abort);
202
203 ich9_lpc = ICH9_LPC_DEVICE(lpc);
204 lpc_dev = DEVICE(lpc);
205 for (i = 0; i < GSI_NUM_PINS; i++) {
206 qdev_connect_gpio_out_named(lpc_dev, ICH9_GPIO_GSI, i, pcms->gsi[i]);
207 }
208 pci_bus_irqs(host_bus, ich9_lpc_set_irq, ich9_lpc_map_irq, ich9_lpc,
209 ICH9_LPC_NB_PIRQS);
210 pci_bus_set_route_irq_fn(host_bus, ich9_route_intx_pin_to_irq);
211 isa_bus = ich9_lpc->isa_bus;
212
213 if (kvm_pic_in_kernel()) {
214 i8259 = kvm_i8259_init(isa_bus);
215 } else if (xen_enabled()) {
216 i8259 = xen_interrupt_controller_init();
217 } else {
218 i8259 = i8259_init(isa_bus, pc_allocate_cpu_irq());
219 }
220
221 for (i = 0; i < ISA_NUM_IRQS; i++) {
222 gsi_state->i8259_irq[i] = i8259[i];
223 }
224 g_free(i8259);
225
226 if (pcmc->pci_enabled) {
227 ioapic_init_gsi(gsi_state, "q35");
228 }
229
230 pc_register_ferr_irq(pcms->gsi[13]);
231
232 assert(pcms->vmport != ON_OFF_AUTO__MAX);
233 if (pcms->vmport == ON_OFF_AUTO_AUTO) {
234 pcms->vmport = xen_enabled() ? ON_OFF_AUTO_OFF : ON_OFF_AUTO_ON;
235 }
236
237
238 pc_basic_device_init(isa_bus, pcms->gsi, &rtc_state, !mc->no_floppy,
239 (pcms->vmport != ON_OFF_AUTO_ON), pcms->pit,
240 0xff0104);
241
242
243 ich9_lpc_pm_init(lpc, pc_machine_is_smm_enabled(pcms));
244
245 if (pcms->sata) {
246
247 ahci = pci_create_simple_multifunction(host_bus,
248 PCI_DEVFN(ICH9_SATA1_DEV,
249 ICH9_SATA1_FUNC),
250 true, "ich9-ahci");
251 idebus[0] = qdev_get_child_bus(&ahci->qdev, "ide.0");
252 idebus[1] = qdev_get_child_bus(&ahci->qdev, "ide.1");
253 g_assert(MAX_SATA_PORTS == ahci_get_num_ports(ahci));
254 ide_drive_get(hd, ahci_get_num_ports(ahci));
255 ahci_ide_create_devs(ahci, hd);
256 } else {
257 idebus[0] = idebus[1] = NULL;
258 }
259
260 if (machine_usb(machine)) {
261
262 ehci_create_ich9_with_companions(host_bus, 0x1d);
263 }
264
265 if (pcms->smbus) {
266
267 smbus_eeprom_init(ich9_smb_init(host_bus,
268 PCI_DEVFN(ICH9_SMB_DEV, ICH9_SMB_FUNC),
269 0xb100),
270 8, NULL, 0);
271 }
272
273 pc_cmos_init(pcms, idebus[0], idebus[1], rtc_state);
274
275
276 pc_vga_init(isa_bus, host_bus);
277 pc_nic_init(pcmc, isa_bus, host_bus);
278
279 if (pcms->acpi_nvdimm_state.is_enabled) {
280 nvdimm_init_acpi_state(&pcms->acpi_nvdimm_state, system_io,
281 pcms->fw_cfg, OBJECT(pcms));
282 }
283}
284
285#define DEFINE_Q35_MACHINE(suffix, name, compatfn, optionfn) \
286 static void pc_init_##suffix(MachineState *machine) \
287 { \
288 void (*compat)(MachineState *m) = (compatfn); \
289 if (compat) { \
290 compat(machine); \
291 } \
292 pc_q35_init(machine); \
293 } \
294 DEFINE_PC_MACHINE(suffix, name, pc_init_##suffix, optionfn)
295
296
297static void pc_q35_machine_options(MachineClass *m)
298{
299 PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
300 pcmc->default_nic_model = "e1000e";
301
302 m->family = "pc_q35";
303 m->desc = "Standard PC (Q35 + ICH9, 2009)";
304 m->units_per_default_bus = 1;
305 m->default_machine_opts = "firmware=bios-256k.bin";
306 m->default_display = "std";
307 m->no_floppy = 1;
308 machine_class_allow_dynamic_sysbus_dev(m, TYPE_AMD_IOMMU_DEVICE);
309 machine_class_allow_dynamic_sysbus_dev(m, TYPE_INTEL_IOMMU_DEVICE);
310 machine_class_allow_dynamic_sysbus_dev(m, TYPE_RAMFB_DEVICE);
311 m->max_cpus = 288;
312}
313
314static void pc_q35_3_1_machine_options(MachineClass *m)
315{
316 pc_q35_machine_options(m);
317 m->alias = "q35";
318}
319
320DEFINE_Q35_MACHINE(v3_1, "pc-q35-3.1", NULL,
321 pc_q35_3_1_machine_options);
322
323static void pc_q35_3_0_machine_options(MachineClass *m)
324{
325 pc_q35_3_1_machine_options(m);
326 m->alias = NULL;
327 SET_MACHINE_COMPAT(m, PC_COMPAT_3_0);
328}
329
330DEFINE_Q35_MACHINE(v3_0, "pc-q35-3.0", NULL,
331 pc_q35_3_0_machine_options);
332
333static void pc_q35_2_12_machine_options(MachineClass *m)
334{
335 pc_q35_3_0_machine_options(m);
336 SET_MACHINE_COMPAT(m, PC_COMPAT_2_12);
337}
338
339DEFINE_Q35_MACHINE(v2_12, "pc-q35-2.12", NULL,
340 pc_q35_2_12_machine_options);
341
342static void pc_q35_2_11_machine_options(MachineClass *m)
343{
344 PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
345
346 pc_q35_2_12_machine_options(m);
347 pcmc->default_nic_model = "e1000";
348 SET_MACHINE_COMPAT(m, PC_COMPAT_2_11);
349}
350
351DEFINE_Q35_MACHINE(v2_11, "pc-q35-2.11", NULL,
352 pc_q35_2_11_machine_options);
353
354static void pc_q35_2_10_machine_options(MachineClass *m)
355{
356 pc_q35_2_11_machine_options(m);
357 SET_MACHINE_COMPAT(m, PC_COMPAT_2_10);
358 m->numa_auto_assign_ram = numa_legacy_auto_assign_ram;
359 m->auto_enable_numa_with_memhp = false;
360}
361
362DEFINE_Q35_MACHINE(v2_10, "pc-q35-2.10", NULL,
363 pc_q35_2_10_machine_options);
364
365static void pc_q35_2_9_machine_options(MachineClass *m)
366{
367 pc_q35_2_10_machine_options(m);
368 SET_MACHINE_COMPAT(m, PC_COMPAT_2_9);
369}
370
371DEFINE_Q35_MACHINE(v2_9, "pc-q35-2.9", NULL,
372 pc_q35_2_9_machine_options);
373
374static void pc_q35_2_8_machine_options(MachineClass *m)
375{
376 pc_q35_2_9_machine_options(m);
377 SET_MACHINE_COMPAT(m, PC_COMPAT_2_8);
378}
379
380DEFINE_Q35_MACHINE(v2_8, "pc-q35-2.8", NULL,
381 pc_q35_2_8_machine_options);
382
383static void pc_q35_2_7_machine_options(MachineClass *m)
384{
385 pc_q35_2_8_machine_options(m);
386 m->max_cpus = 255;
387 SET_MACHINE_COMPAT(m, PC_COMPAT_2_7);
388}
389
390DEFINE_Q35_MACHINE(v2_7, "pc-q35-2.7", NULL,
391 pc_q35_2_7_machine_options);
392
393static void pc_q35_2_6_machine_options(MachineClass *m)
394{
395 PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
396 pc_q35_2_7_machine_options(m);
397 pcmc->legacy_cpu_hotplug = true;
398 pcmc->linuxboot_dma_enabled = false;
399 SET_MACHINE_COMPAT(m, PC_COMPAT_2_6);
400}
401
402DEFINE_Q35_MACHINE(v2_6, "pc-q35-2.6", NULL,
403 pc_q35_2_6_machine_options);
404
405static void pc_q35_2_5_machine_options(MachineClass *m)
406{
407 PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
408 pc_q35_2_6_machine_options(m);
409 pcmc->save_tsc_khz = false;
410 m->legacy_fw_cfg_order = 1;
411 SET_MACHINE_COMPAT(m, PC_COMPAT_2_5);
412}
413
414DEFINE_Q35_MACHINE(v2_5, "pc-q35-2.5", NULL,
415 pc_q35_2_5_machine_options);
416
417static void pc_q35_2_4_machine_options(MachineClass *m)
418{
419 PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
420 pc_q35_2_5_machine_options(m);
421 m->hw_version = "2.4.0";
422 pcmc->broken_reserved_end = true;
423 SET_MACHINE_COMPAT(m, PC_COMPAT_2_4);
424}
425
426DEFINE_Q35_MACHINE(v2_4, "pc-q35-2.4", NULL,
427 pc_q35_2_4_machine_options);
428
