pc_piix.c (30624B)
1 /* 2 * QEMU PC System Emulator 3 * 4 * Copyright (c) 2003-2004 Fabrice Bellard 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a copy 7 * of this software and associated documentation files (the "Software"), to deal 8 * in the Software without restriction, including without limitation the rights 9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 10 * copies of the Software, and to permit persons to whom the Software is 11 * furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 22 * THE SOFTWARE. 23 */ 24 25 #include "qemu/osdep.h" 26 #include CONFIG_DEVICES 27 28 #include "qemu/units.h" 29 #include "hw/dma/i8257.h" 30 #include "hw/loader.h" 31 #include "hw/i386/x86.h" 32 #include "hw/i386/pc.h" 33 #include "hw/i386/apic.h" 34 #include "hw/pci-host/i440fx.h" 35 #include "hw/southbridge/piix.h" 36 #include "hw/display/ramfb.h" 37 #include "hw/firmware/smbios.h" 38 #include "hw/pci/pci.h" 39 #include "hw/pci/pci_ids.h" 40 #include "hw/usb.h" 41 #include "net/net.h" 42 #include "hw/ide/pci.h" 43 #include "hw/ide/piix.h" 44 #include "hw/irq.h" 45 #include "sysemu/kvm.h" 46 #include "hw/kvm/clock.h" 47 #include "hw/sysbus.h" 48 #include "hw/i2c/smbus_eeprom.h" 49 #include "hw/xen/xen-x86.h" 50 #include "exec/memory.h" 51 #include "hw/acpi/acpi.h" 52 #include "hw/acpi/piix4.h" 53 #include "qapi/error.h" 54 #include "qemu/error-report.h" 55 #include "sysemu/xen.h" 56 #ifdef CONFIG_XEN 57 #include <xen/hvm/hvm_info_table.h> 58 #include "hw/xen/xen_pt.h" 59 #endif 60 #include "migration/global_state.h" 61 #include "migration/misc.h" 62 #include "sysemu/numa.h" 63 #include "hw/hyperv/vmbus-bridge.h" 64 #include "hw/mem/nvdimm.h" 65 #include "hw/i386/acpi-build.h" 66 #include "kvm/kvm-cpu.h" 67 68 #define MAX_IDE_BUS 2 69 70 #ifdef CONFIG_IDE_ISA 71 static const int ide_iobase[MAX_IDE_BUS] = { 0x1f0, 0x170 }; 72 static const int ide_iobase2[MAX_IDE_BUS] = { 0x3f6, 0x376 }; 73 static const int ide_irq[MAX_IDE_BUS] = { 14, 15 }; 74 #endif 75 76 /* PC hardware initialisation */ 77 static void pc_init1(MachineState *machine, 78 const char *host_type, const char *pci_type) 79 { 80 PCMachineState *pcms = PC_MACHINE(machine); 81 PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms); 82 X86MachineState *x86ms = X86_MACHINE(machine); 83 MemoryRegion *system_memory = get_system_memory(); 84 MemoryRegion *system_io = get_system_io(); 85 PCIBus *pci_bus; 86 ISABus *isa_bus; 87 int piix3_devfn = -1; 88 qemu_irq smi_irq; 89 GSIState *gsi_state; 90 BusState *idebus[MAX_IDE_BUS]; 91 ISADevice *rtc_state; 92 MemoryRegion *ram_memory; 93 MemoryRegion *pci_memory; 94 MemoryRegion *rom_memory; 95 ram_addr_t lowmem; 96 uint64_t hole64_size; 97 DeviceState *i440fx_host; 98 99 /* 100 * Calculate ram split, for memory below and above 4G. It's a bit 101 * complicated for backward compatibility reasons ... 102 * 103 * - Traditional split is 3.5G (lowmem = 0xe0000000). This is the 104 * default value for max_ram_below_4g now. 105 * 106 * - Then, to gigabyte align the memory, we move the split to 3G 107 * (lowmem = 0xc0000000). But only in case we have to split in 108 * the first place, i.e. ram_size is larger than (traditional) 109 * lowmem. And for new machine types (gigabyte_align = true) 110 * only, for live migration compatibility reasons. 111 * 112 * - Next the max-ram-below-4g option was added, which allowed to 113 * reduce lowmem to a smaller value, to allow a larger PCI I/O 114 * window below 4G. qemu doesn't enforce gigabyte alignment here, 115 * but prints a warning. 116 * 117 * - Finally max-ram-below-4g got updated to also allow raising lowmem, 118 * so legacy non-PAE guests can get as much memory as possible in 119 * the 32bit address space below 4G. 120 * 121 * - Note that Xen has its own ram setup code in xen_ram_init(), 122 * called via xen_hvm_init_pc(). 123 * 124 * Examples: 125 * qemu -M pc-1.7 -m 4G (old default) -> 3584M low, 512M high 126 * qemu -M pc -m 4G (new default) -> 3072M low, 1024M high 127 * qemu -M pc,max-ram-below-4g=2G -m 4G -> 2048M low, 2048M high 128 * qemu -M pc,max-ram-below-4g=4G -m 3968M -> 3968M low (=4G-128M) 129 */ 130 if (xen_enabled()) { 131 xen_hvm_init_pc(pcms, &ram_memory); 132 } else { 133 if (!pcms->max_ram_below_4g) { 134 pcms->max_ram_below_4g = 0xe0000000; /* default: 3.5G */ 135 } 136 lowmem = pcms->max_ram_below_4g; 137 if (machine->ram_size >= pcms->max_ram_below_4g) { 138 if (pcmc->gigabyte_align) { 139 if (lowmem > 0xc0000000) { 140 lowmem = 0xc0000000; 141 } 142 if (lowmem & (1 * GiB - 1)) { 143 warn_report("Large machine and max_ram_below_4g " 144 "(%" PRIu64 ") not a multiple of 1G; " 145 "possible bad performance.", 146 pcms->max_ram_below_4g); 147 } 148 } 149 } 150 151 if (machine->ram_size >= lowmem) { 152 x86ms->above_4g_mem_size = machine->ram_size - lowmem; 153 x86ms->below_4g_mem_size = lowmem; 154 } else { 155 x86ms->above_4g_mem_size = 0; 156 x86ms->below_4g_mem_size = machine->ram_size; 157 } 158 } 159 160 pc_machine_init_sgx_epc(pcms); 161 x86_cpus_init(x86ms, pcmc->default_cpu_version); 162 163 if (pcmc->kvmclock_enabled) { 164 kvmclock_create(pcmc->kvmclock_create_always); 165 } 166 167 if (pcmc->pci_enabled) { 168 pci_memory = g_new(MemoryRegion, 1); 169 memory_region_init(pci_memory, NULL, "pci", UINT64_MAX); 170 rom_memory = pci_memory; 171 i440fx_host = qdev_new(host_type); 172 hole64_size = object_property_get_uint(OBJECT(i440fx_host), 173 PCI_HOST_PROP_PCI_HOLE64_SIZE, 174 &error_abort); 175 } else { 176 pci_memory = NULL; 177 rom_memory = system_memory; 178 i440fx_host = NULL; 179 hole64_size = 0; 180 } 181 182 pc_guest_info_init(pcms); 183 184 if (pcmc->smbios_defaults) { 185 MachineClass *mc = MACHINE_GET_CLASS(machine); 186 /* These values are guest ABI, do not change */ 187 smbios_set_defaults("QEMU", "Standard PC (i440FX + PIIX, 1996)", 188 mc->name, pcmc->smbios_legacy_mode, 189 pcmc->smbios_uuid_encoded, 190 pcms->smbios_entry_point_type); 191 } 192 193 /* allocate ram and load rom/bios */ 194 if (!xen_enabled()) { 195 pc_memory_init(pcms, system_memory, 196 rom_memory, &ram_memory, hole64_size); 197 } else { 198 pc_system_flash_cleanup_unused(pcms); 199 if (machine->kernel_filename != NULL) { 200 /* For xen HVM direct kernel boot, load linux here */ 201 xen_load_linux(pcms); 202 } 203 } 204 205 gsi_state = pc_gsi_create(&x86ms->gsi, pcmc->pci_enabled); 206 207 if (pcmc->pci_enabled) { 208 PIIX3State *piix3; 209 PCIDevice *pci_dev; 210 const char *type = xen_enabled() ? TYPE_PIIX3_XEN_DEVICE 211 : TYPE_PIIX3_DEVICE; 212 213 pci_bus = i440fx_init(pci_type, 214 i440fx_host, 215 system_memory, system_io, machine->ram_size, 216 x86ms->below_4g_mem_size, 217 x86ms->above_4g_mem_size, 218 pci_memory, ram_memory); 219 pcms->bus = pci_bus; 220 221 pci_dev = pci_create_simple_multifunction(pci_bus, -1, true, type); 222 piix3 = PIIX3_PCI_DEVICE(pci_dev); 223 piix3->pic = x86ms->gsi; 224 piix3_devfn = piix3->dev.devfn; 225 isa_bus = ISA_BUS(qdev_get_child_bus(DEVICE(piix3), "isa.0")); 226 } else { 227 pci_bus = NULL; 228 isa_bus = isa_bus_new(NULL, get_system_memory(), system_io, 229 &error_abort); 230 i8257_dma_init(isa_bus, 0); 231 pcms->hpet_enabled = false; 232 } 233 isa_bus_irqs(isa_bus, x86ms->gsi); 234 235 if (x86ms->pic == ON_OFF_AUTO_ON || x86ms->pic == ON_OFF_AUTO_AUTO) { 236 pc_i8259_create(isa_bus, gsi_state->i8259_irq); 237 } 238 239 if (pcmc->pci_enabled) { 240 ioapic_init_gsi(gsi_state, "i440fx"); 241 } 242 243 if (tcg_enabled()) { 244 x86_register_ferr_irq(x86ms->gsi[13]); 245 } 246 247 pc_vga_init(isa_bus, pcmc->pci_enabled ? pci_bus : NULL); 248 249 assert(pcms->vmport != ON_OFF_AUTO__MAX); 250 if (pcms->vmport == ON_OFF_AUTO_AUTO) { 251 pcms->vmport = xen_enabled() ? ON_OFF_AUTO_OFF : ON_OFF_AUTO_ON; 252 } 253 254 /* init basic PC hardware */ 255 pc_basic_device_init(pcms, isa_bus, x86ms->gsi, &rtc_state, true, 256 0x4); 257 258 pc_nic_init(pcmc, isa_bus, pci_bus); 259 260 if (pcmc->pci_enabled) { 261 PCIDevice *dev; 262 263 dev = pci_create_simple(pci_bus, piix3_devfn + 1, TYPE_PIIX3_IDE); 264 pci_ide_create_devs(dev); 265 idebus[0] = qdev_get_child_bus(&dev->qdev, "ide.0"); 266 idebus[1] = qdev_get_child_bus(&dev->qdev, "ide.1"); 267 pc_cmos_init(pcms, idebus[0], idebus[1], rtc_state); 268 } 269 #ifdef CONFIG_IDE_ISA 270 else { 271 DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS]; 272 int i; 273 274 ide_drive_get(hd, ARRAY_SIZE(hd)); 275 for (i = 0; i < MAX_IDE_BUS; i++) { 276 ISADevice *dev; 277 char busname[] = "ide.0"; 278 dev = isa_ide_init(isa_bus, ide_iobase[i], ide_iobase2[i], 279 ide_irq[i], 280 hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]); 281 /* 282 * The ide bus name is ide.0 for the first bus and ide.1 for the 283 * second one. 284 */ 285 busname[4] = '0' + i; 286 idebus[i] = qdev_get_child_bus(DEVICE(dev), busname); 287 } 288 pc_cmos_init(pcms, idebus[0], idebus[1], rtc_state); 289 } 290 #endif 291 292 if (pcmc->pci_enabled && machine_usb(machine)) { 293 pci_create_simple(pci_bus, piix3_devfn + 2, "piix3-usb-uhci"); 294 } 295 296 if (pcmc->pci_enabled && x86_machine_is_acpi_enabled(X86_MACHINE(pcms))) { 297 PCIDevice *piix4_pm; 298 299 smi_irq = qemu_allocate_irq(pc_acpi_smi_interrupt, first_cpu, 0); 300 piix4_pm = pci_new(piix3_devfn + 3, TYPE_PIIX4_PM); 301 qdev_prop_set_uint32(DEVICE(piix4_pm), "smb_io_base", 0xb100); 302 qdev_prop_set_bit(DEVICE(piix4_pm), "smm-enabled", 303 x86_machine_is_smm_enabled(x86ms)); 304 pci_realize_and_unref(piix4_pm, pci_bus, &error_fatal); 305 306 qdev_connect_gpio_out(DEVICE(piix4_pm), 0, x86ms->gsi[9]); 307 qdev_connect_gpio_out_named(DEVICE(piix4_pm), "smi-irq", 0, smi_irq); 308 pcms->smbus = I2C_BUS(qdev_get_child_bus(DEVICE(piix4_pm), "i2c")); 309 /* TODO: Populate SPD eeprom data. */ 310 smbus_eeprom_init(pcms->smbus, 8, NULL, 0); 311 312 object_property_add_link(OBJECT(machine), PC_MACHINE_ACPI_DEVICE_PROP, 313 TYPE_HOTPLUG_HANDLER, 314 (Object **)&x86ms->acpi_dev, 315 object_property_allow_set_link, 316 OBJ_PROP_LINK_STRONG); 317 object_property_set_link(OBJECT(machine), PC_MACHINE_ACPI_DEVICE_PROP, 318 OBJECT(piix4_pm), &error_abort); 319 } 320 321 if (machine->nvdimms_state->is_enabled) { 322 nvdimm_init_acpi_state(machine->nvdimms_state, system_io, 323 x86_nvdimm_acpi_dsmio, 324 x86ms->fw_cfg, OBJECT(pcms)); 325 } 326 } 327 328 /* Looking for a pc_compat_2_4() function? It doesn't exist. 329 * pc_compat_*() functions that run on machine-init time and 330 * change global QEMU state are deprecated. Please don't create 331 * one, and implement any pc-*-2.4 (and newer) compat code in 332 * hw_compat_*, pc_compat_*, or * pc_*_machine_options(). 333 */ 334 335 static void pc_compat_2_3_fn(MachineState *machine) 336 { 337 X86MachineState *x86ms = X86_MACHINE(machine); 338 if (kvm_enabled()) { 339 x86ms->smm = ON_OFF_AUTO_OFF; 340 } 341 } 342 343 static void pc_compat_2_2_fn(MachineState *machine) 344 { 345 pc_compat_2_3_fn(machine); 346 } 347 348 static void pc_compat_2_1_fn(MachineState *machine) 349 { 350 pc_compat_2_2_fn(machine); 351 x86_cpu_change_kvm_default("svm", NULL); 352 } 353 354 static void pc_compat_2_0_fn(MachineState *machine) 355 { 356 pc_compat_2_1_fn(machine); 357 } 358 359 static void pc_compat_1_7_fn(MachineState *machine) 360 { 361 pc_compat_2_0_fn(machine); 362 x86_cpu_change_kvm_default("x2apic", NULL); 363 } 364 365 static void pc_compat_1_6_fn(MachineState *machine) 366 { 367 pc_compat_1_7_fn(machine); 368 } 369 370 static void pc_compat_1_5_fn(MachineState *machine) 371 { 372 pc_compat_1_6_fn(machine); 373 } 374 375 static void pc_compat_1_4_fn(MachineState *machine) 376 { 377 pc_compat_1_5_fn(machine); 378 } 379 380 #ifdef CONFIG_ISAPC 381 static void pc_init_isa(MachineState *machine) 382 { 383 pc_init1(machine, TYPE_I440FX_PCI_HOST_BRIDGE, TYPE_I440FX_PCI_DEVICE); 384 } 385 #endif 386 387 #ifdef CONFIG_XEN 388 static void pc_xen_hvm_init_pci(MachineState *machine) 389 { 390 const char *pci_type = xen_igd_gfx_pt_enabled() ? 391 TYPE_IGD_PASSTHROUGH_I440FX_PCI_DEVICE : TYPE_I440FX_PCI_DEVICE; 392 393 pc_init1(machine, 394 TYPE_I440FX_PCI_HOST_BRIDGE, 395 pci_type); 396 } 397 398 static void pc_xen_hvm_init(MachineState *machine) 399 { 400 PCMachineState *pcms = PC_MACHINE(machine); 401 402 if (!xen_enabled()) { 403 error_report("xenfv machine requires the xen accelerator"); 404 exit(1); 405 } 406 407 pc_xen_hvm_init_pci(machine); 408 pci_create_simple(pcms->bus, -1, "xen-platform"); 409 } 410 #endif 411 412 #define DEFINE_I440FX_MACHINE(suffix, name, compatfn, optionfn) \ 413 static void pc_init_##suffix(MachineState *machine) \ 414 { \ 415 void (*compat)(MachineState *m) = (compatfn); \ 416 if (compat) { \ 417 compat(machine); \ 418 } \ 419 pc_init1(machine, TYPE_I440FX_PCI_HOST_BRIDGE, \ 420 TYPE_I440FX_PCI_DEVICE); \ 421 } \ 422 DEFINE_PC_MACHINE(suffix, name, pc_init_##suffix, optionfn) 423 424 static void pc_i440fx_machine_options(MachineClass *m) 425 { 426 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 427 pcmc->default_nic_model = "e1000"; 428 pcmc->pci_root_uid = 0; 429 430 m->family = "pc_piix"; 431 m->desc = "Standard PC (i440FX + PIIX, 1996)"; 432 m->default_machine_opts = "firmware=bios-256k.bin"; 433 m->default_display = "std"; 434 machine_class_allow_dynamic_sysbus_dev(m, TYPE_RAMFB_DEVICE); 435 machine_class_allow_dynamic_sysbus_dev(m, TYPE_VMBUS_BRIDGE); 436 } 437 438 static void pc_i440fx_7_2_machine_options(MachineClass *m) 439 { 440 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 441 pc_i440fx_machine_options(m); 442 m->alias = "pc"; 443 m->is_default = true; 444 pcmc->default_cpu_version = 1; 445 } 446 447 DEFINE_I440FX_MACHINE(v7_2, "pc-i440fx-7.2", NULL, 448 pc_i440fx_7_2_machine_options); 449 450 static void pc_i440fx_7_1_machine_options(MachineClass *m) 451 { 452 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 453 pc_i440fx_7_2_machine_options(m); 454 m->alias = NULL; 455 m->is_default = false; 456 pcmc->legacy_no_rng_seed = true; 457 compat_props_add(m->compat_props, hw_compat_7_1, hw_compat_7_1_len); 458 compat_props_add(m->compat_props, pc_compat_7_1, pc_compat_7_1_len); 459 } 460 461 DEFINE_I440FX_MACHINE(v7_1, "pc-i440fx-7.1", NULL, 462 pc_i440fx_7_1_machine_options); 463 464 static void pc_i440fx_7_0_machine_options(MachineClass *m) 465 { 466 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 467 pc_i440fx_7_1_machine_options(m); 468 m->alias = NULL; 469 m->is_default = false; 470 pcmc->enforce_amd_1tb_hole = false; 471 compat_props_add(m->compat_props, hw_compat_7_0, hw_compat_7_0_len); 472 compat_props_add(m->compat_props, pc_compat_7_0, pc_compat_7_0_len); 473 } 474 475 DEFINE_I440FX_MACHINE(v7_0, "pc-i440fx-7.0", NULL, 476 pc_i440fx_7_0_machine_options); 477 478 static void pc_i440fx_6_2_machine_options(MachineClass *m) 479 { 480 pc_i440fx_7_0_machine_options(m); 481 m->alias = NULL; 482 m->is_default = false; 483 compat_props_add(m->compat_props, hw_compat_6_2, hw_compat_6_2_len); 484 compat_props_add(m->compat_props, pc_compat_6_2, pc_compat_6_2_len); 485 } 486 487 DEFINE_I440FX_MACHINE(v6_2, "pc-i440fx-6.2", NULL, 488 pc_i440fx_6_2_machine_options); 489 490 static void pc_i440fx_6_1_machine_options(MachineClass *m) 491 { 492 pc_i440fx_6_2_machine_options(m); 493 m->alias = NULL; 494 m->is_default = false; 495 compat_props_add(m->compat_props, hw_compat_6_1, hw_compat_6_1_len); 496 compat_props_add(m->compat_props, pc_compat_6_1, pc_compat_6_1_len); 497 m->smp_props.prefer_sockets = true; 498 } 499 500 DEFINE_I440FX_MACHINE(v6_1, "pc-i440fx-6.1", NULL, 501 pc_i440fx_6_1_machine_options); 502 503 static void pc_i440fx_6_0_machine_options(MachineClass *m) 504 { 505 pc_i440fx_6_1_machine_options(m); 506 m->alias = NULL; 507 m->is_default = false; 508 compat_props_add(m->compat_props, hw_compat_6_0, hw_compat_6_0_len); 509 compat_props_add(m->compat_props, pc_compat_6_0, pc_compat_6_0_len); 510 } 511 512 DEFINE_I440FX_MACHINE(v6_0, "pc-i440fx-6.0", NULL, 513 pc_i440fx_6_0_machine_options); 514 515 static void pc_i440fx_5_2_machine_options(MachineClass *m) 516 { 517 pc_i440fx_6_0_machine_options(m); 518 m->alias = NULL; 519 m->is_default = false; 520 compat_props_add(m->compat_props, hw_compat_5_2, hw_compat_5_2_len); 521 compat_props_add(m->compat_props, pc_compat_5_2, pc_compat_5_2_len); 522 } 523 524 DEFINE_I440FX_MACHINE(v5_2, "pc-i440fx-5.2", NULL, 525 pc_i440fx_5_2_machine_options); 526 527 static void pc_i440fx_5_1_machine_options(MachineClass *m) 528 { 529 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 530 531 pc_i440fx_5_2_machine_options(m); 532 m->alias = NULL; 533 m->is_default = false; 534 compat_props_add(m->compat_props, hw_compat_5_1, hw_compat_5_1_len); 535 compat_props_add(m->compat_props, pc_compat_5_1, pc_compat_5_1_len); 536 pcmc->kvmclock_create_always = false; 537 pcmc->pci_root_uid = 1; 538 } 539 540 DEFINE_I440FX_MACHINE(v5_1, "pc-i440fx-5.1", NULL, 541 pc_i440fx_5_1_machine_options); 542 543 static void pc_i440fx_5_0_machine_options(MachineClass *m) 544 { 545 pc_i440fx_5_1_machine_options(m); 546 m->alias = NULL; 547 m->is_default = false; 548 m->numa_mem_supported = true; 549 compat_props_add(m->compat_props, hw_compat_5_0, hw_compat_5_0_len); 550 compat_props_add(m->compat_props, pc_compat_5_0, pc_compat_5_0_len); 551 m->auto_enable_numa_with_memdev = false; 552 } 553 554 DEFINE_I440FX_MACHINE(v5_0, "pc-i440fx-5.0", NULL, 555 pc_i440fx_5_0_machine_options); 556 557 static void pc_i440fx_4_2_machine_options(MachineClass *m) 558 { 559 pc_i440fx_5_0_machine_options(m); 560 m->alias = NULL; 561 m->is_default = false; 562 compat_props_add(m->compat_props, hw_compat_4_2, hw_compat_4_2_len); 563 compat_props_add(m->compat_props, pc_compat_4_2, pc_compat_4_2_len); 564 } 565 566 DEFINE_I440FX_MACHINE(v4_2, "pc-i440fx-4.2", NULL, 567 pc_i440fx_4_2_machine_options); 568 569 static void pc_i440fx_4_1_machine_options(MachineClass *m) 570 { 571 pc_i440fx_4_2_machine_options(m); 572 m->alias = NULL; 573 m->is_default = false; 574 compat_props_add(m->compat_props, hw_compat_4_1, hw_compat_4_1_len); 575 compat_props_add(m->compat_props, pc_compat_4_1, pc_compat_4_1_len); 576 } 577 578 DEFINE_I440FX_MACHINE(v4_1, "pc-i440fx-4.1", NULL, 579 pc_i440fx_4_1_machine_options); 580 581 static void pc_i440fx_4_0_machine_options(MachineClass *m) 582 { 583 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 584 pc_i440fx_4_1_machine_options(m); 585 m->alias = NULL; 586 m->is_default = false; 587 pcmc->default_cpu_version = CPU_VERSION_LEGACY; 588 compat_props_add(m->compat_props, hw_compat_4_0, hw_compat_4_0_len); 589 compat_props_add(m->compat_props, pc_compat_4_0, pc_compat_4_0_len); 590 } 591 592 DEFINE_I440FX_MACHINE(v4_0, "pc-i440fx-4.0", NULL, 593 pc_i440fx_4_0_machine_options); 594 595 static void pc_i440fx_3_1_machine_options(MachineClass *m) 596 { 597 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 598 599 pc_i440fx_4_0_machine_options(m); 600 m->is_default = false; 601 m->smbus_no_migration_support = true; 602 m->alias = NULL; 603 pcmc->pvh_enabled = false; 604 compat_props_add(m->compat_props, hw_compat_3_1, hw_compat_3_1_len); 605 compat_props_add(m->compat_props, pc_compat_3_1, pc_compat_3_1_len); 606 } 607 608 DEFINE_I440FX_MACHINE(v3_1, "pc-i440fx-3.1", NULL, 609 pc_i440fx_3_1_machine_options); 610 611 static void pc_i440fx_3_0_machine_options(MachineClass *m) 612 { 613 pc_i440fx_3_1_machine_options(m); 614 compat_props_add(m->compat_props, hw_compat_3_0, hw_compat_3_0_len); 615 compat_props_add(m->compat_props, pc_compat_3_0, pc_compat_3_0_len); 616 } 617 618 DEFINE_I440FX_MACHINE(v3_0, "pc-i440fx-3.0", NULL, 619 pc_i440fx_3_0_machine_options); 620 621 static void pc_i440fx_2_12_machine_options(MachineClass *m) 622 { 623 pc_i440fx_3_0_machine_options(m); 624 compat_props_add(m->compat_props, hw_compat_2_12, hw_compat_2_12_len); 625 compat_props_add(m->compat_props, pc_compat_2_12, pc_compat_2_12_len); 626 } 627 628 DEFINE_I440FX_MACHINE(v2_12, "pc-i440fx-2.12", NULL, 629 pc_i440fx_2_12_machine_options); 630 631 static void pc_i440fx_2_11_machine_options(MachineClass *m) 632 { 633 pc_i440fx_2_12_machine_options(m); 634 compat_props_add(m->compat_props, hw_compat_2_11, hw_compat_2_11_len); 635 compat_props_add(m->compat_props, pc_compat_2_11, pc_compat_2_11_len); 636 } 637 638 DEFINE_I440FX_MACHINE(v2_11, "pc-i440fx-2.11", NULL, 639 pc_i440fx_2_11_machine_options); 640 641 static void pc_i440fx_2_10_machine_options(MachineClass *m) 642 { 643 pc_i440fx_2_11_machine_options(m); 644 compat_props_add(m->compat_props, hw_compat_2_10, hw_compat_2_10_len); 645 compat_props_add(m->compat_props, pc_compat_2_10, pc_compat_2_10_len); 646 m->auto_enable_numa_with_memhp = false; 647 } 648 649 DEFINE_I440FX_MACHINE(v2_10, "pc-i440fx-2.10", NULL, 650 pc_i440fx_2_10_machine_options); 651 652 static void pc_i440fx_2_9_machine_options(MachineClass *m) 653 { 654 pc_i440fx_2_10_machine_options(m); 655 compat_props_add(m->compat_props, hw_compat_2_9, hw_compat_2_9_len); 656 compat_props_add(m->compat_props, pc_compat_2_9, pc_compat_2_9_len); 657 } 658 659 DEFINE_I440FX_MACHINE(v2_9, "pc-i440fx-2.9", NULL, 660 pc_i440fx_2_9_machine_options); 661 662 static void pc_i440fx_2_8_machine_options(MachineClass *m) 663 { 664 pc_i440fx_2_9_machine_options(m); 665 compat_props_add(m->compat_props, hw_compat_2_8, hw_compat_2_8_len); 666 compat_props_add(m->compat_props, pc_compat_2_8, pc_compat_2_8_len); 667 } 668 669 DEFINE_I440FX_MACHINE(v2_8, "pc-i440fx-2.8", NULL, 670 pc_i440fx_2_8_machine_options); 671 672 static void pc_i440fx_2_7_machine_options(MachineClass *m) 673 { 674 pc_i440fx_2_8_machine_options(m); 675 compat_props_add(m->compat_props, hw_compat_2_7, hw_compat_2_7_len); 676 compat_props_add(m->compat_props, pc_compat_2_7, pc_compat_2_7_len); 677 } 678 679 DEFINE_I440FX_MACHINE(v2_7, "pc-i440fx-2.7", NULL, 680 pc_i440fx_2_7_machine_options); 681 682 static void pc_i440fx_2_6_machine_options(MachineClass *m) 683 { 684 X86MachineClass *x86mc = X86_MACHINE_CLASS(m); 685 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 686 687 pc_i440fx_2_7_machine_options(m); 688 pcmc->legacy_cpu_hotplug = true; 689 x86mc->fwcfg_dma_enabled = false; 690 compat_props_add(m->compat_props, hw_compat_2_6, hw_compat_2_6_len); 691 compat_props_add(m->compat_props, pc_compat_2_6, pc_compat_2_6_len); 692 } 693 694 DEFINE_I440FX_MACHINE(v2_6, "pc-i440fx-2.6", NULL, 695 pc_i440fx_2_6_machine_options); 696 697 static void pc_i440fx_2_5_machine_options(MachineClass *m) 698 { 699 X86MachineClass *x86mc = X86_MACHINE_CLASS(m); 700 701 pc_i440fx_2_6_machine_options(m); 702 x86mc->save_tsc_khz = false; 703 m->legacy_fw_cfg_order = 1; 704 compat_props_add(m->compat_props, hw_compat_2_5, hw_compat_2_5_len); 705 compat_props_add(m->compat_props, pc_compat_2_5, pc_compat_2_5_len); 706 } 707 708 DEFINE_I440FX_MACHINE(v2_5, "pc-i440fx-2.5", NULL, 709 pc_i440fx_2_5_machine_options); 710 711 static void pc_i440fx_2_4_machine_options(MachineClass *m) 712 { 713 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 714 715 pc_i440fx_2_5_machine_options(m); 716 m->hw_version = "2.4.0"; 717 pcmc->broken_reserved_end = true; 718 compat_props_add(m->compat_props, hw_compat_2_4, hw_compat_2_4_len); 719 compat_props_add(m->compat_props, pc_compat_2_4, pc_compat_2_4_len); 720 } 721 722 DEFINE_I440FX_MACHINE(v2_4, "pc-i440fx-2.4", NULL, 723 pc_i440fx_2_4_machine_options) 724 725 static void pc_i440fx_2_3_machine_options(MachineClass *m) 726 { 727 pc_i440fx_2_4_machine_options(m); 728 m->hw_version = "2.3.0"; 729 compat_props_add(m->compat_props, hw_compat_2_3, hw_compat_2_3_len); 730 compat_props_add(m->compat_props, pc_compat_2_3, pc_compat_2_3_len); 731 } 732 733 DEFINE_I440FX_MACHINE(v2_3, "pc-i440fx-2.3", pc_compat_2_3_fn, 734 pc_i440fx_2_3_machine_options); 735 736 static void pc_i440fx_2_2_machine_options(MachineClass *m) 737 { 738 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 739 740 pc_i440fx_2_3_machine_options(m); 741 m->hw_version = "2.2.0"; 742 m->default_machine_opts = "firmware=bios-256k.bin,suppress-vmdesc=on"; 743 compat_props_add(m->compat_props, hw_compat_2_2, hw_compat_2_2_len); 744 compat_props_add(m->compat_props, pc_compat_2_2, pc_compat_2_2_len); 745 pcmc->rsdp_in_ram = false; 746 } 747 748 DEFINE_I440FX_MACHINE(v2_2, "pc-i440fx-2.2", pc_compat_2_2_fn, 749 pc_i440fx_2_2_machine_options); 750 751 static void pc_i440fx_2_1_machine_options(MachineClass *m) 752 { 753 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 754 755 pc_i440fx_2_2_machine_options(m); 756 m->hw_version = "2.1.0"; 757 m->default_display = NULL; 758 compat_props_add(m->compat_props, hw_compat_2_1, hw_compat_2_1_len); 759 compat_props_add(m->compat_props, pc_compat_2_1, pc_compat_2_1_len); 760 pcmc->smbios_uuid_encoded = false; 761 pcmc->enforce_aligned_dimm = false; 762 } 763 764 DEFINE_I440FX_MACHINE(v2_1, "pc-i440fx-2.1", pc_compat_2_1_fn, 765 pc_i440fx_2_1_machine_options); 766 767 static void pc_i440fx_2_0_machine_options(MachineClass *m) 768 { 769 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 770 771 pc_i440fx_2_1_machine_options(m); 772 m->hw_version = "2.0.0"; 773 compat_props_add(m->compat_props, pc_compat_2_0, pc_compat_2_0_len); 774 pcmc->smbios_legacy_mode = true; 775 pcmc->has_reserved_memory = false; 776 /* This value depends on the actual DSDT and SSDT compiled into 777 * the source QEMU; unfortunately it depends on the binary and 778 * not on the machine type, so we cannot make pc-i440fx-1.7 work on 779 * both QEMU 1.7 and QEMU 2.0. 780 * 781 * Large variations cause migration to fail for more than one 782 * consecutive value of the "-smp" maxcpus option. 783 * 784 * For small variations of the kind caused by different iasl versions, 785 * the 4k rounding usually leaves slack. However, there could be still 786 * one or two values that break. For QEMU 1.7 and QEMU 2.0 the 787 * slack is only ~10 bytes before one "-smp maxcpus" value breaks! 788 * 789 * 6652 is valid for QEMU 2.0, the right value for pc-i440fx-1.7 on 790 * QEMU 1.7 it is 6414. For RHEL/CentOS 7.0 it is 6418. 791 */ 792 pcmc->legacy_acpi_table_size = 6652; 793 pcmc->acpi_data_size = 0x10000; 794 } 795 796 DEFINE_I440FX_MACHINE(v2_0, "pc-i440fx-2.0", pc_compat_2_0_fn, 797 pc_i440fx_2_0_machine_options); 798 799 static void pc_i440fx_1_7_machine_options(MachineClass *m) 800 { 801 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 802 803 pc_i440fx_2_0_machine_options(m); 804 m->hw_version = "1.7.0"; 805 m->default_machine_opts = NULL; 806 m->option_rom_has_mr = true; 807 m->deprecation_reason = "old and unattended - use a newer version instead"; 808 compat_props_add(m->compat_props, pc_compat_1_7, pc_compat_1_7_len); 809 pcmc->smbios_defaults = false; 810 pcmc->gigabyte_align = false; 811 pcmc->legacy_acpi_table_size = 6414; 812 } 813 814 DEFINE_I440FX_MACHINE(v1_7, "pc-i440fx-1.7", pc_compat_1_7_fn, 815 pc_i440fx_1_7_machine_options); 816 817 static void pc_i440fx_1_6_machine_options(MachineClass *m) 818 { 819 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 820 821 pc_i440fx_1_7_machine_options(m); 822 m->hw_version = "1.6.0"; 823 m->rom_file_has_mr = false; 824 compat_props_add(m->compat_props, pc_compat_1_6, pc_compat_1_6_len); 825 pcmc->has_acpi_build = false; 826 } 827 828 DEFINE_I440FX_MACHINE(v1_6, "pc-i440fx-1.6", pc_compat_1_6_fn, 829 pc_i440fx_1_6_machine_options); 830 831 static void pc_i440fx_1_5_machine_options(MachineClass *m) 832 { 833 pc_i440fx_1_6_machine_options(m); 834 m->hw_version = "1.5.0"; 835 compat_props_add(m->compat_props, pc_compat_1_5, pc_compat_1_5_len); 836 } 837 838 DEFINE_I440FX_MACHINE(v1_5, "pc-i440fx-1.5", pc_compat_1_5_fn, 839 pc_i440fx_1_5_machine_options); 840 841 static void pc_i440fx_1_4_machine_options(MachineClass *m) 842 { 843 pc_i440fx_1_5_machine_options(m); 844 m->hw_version = "1.4.0"; 845 compat_props_add(m->compat_props, pc_compat_1_4, pc_compat_1_4_len); 846 } 847 848 DEFINE_I440FX_MACHINE(v1_4, "pc-i440fx-1.4", pc_compat_1_4_fn, 849 pc_i440fx_1_4_machine_options); 850 851 #ifdef CONFIG_ISAPC 852 static void isapc_machine_options(MachineClass *m) 853 { 854 PCMachineClass *pcmc = PC_MACHINE_CLASS(m); 855 m->desc = "ISA-only PC"; 856 m->max_cpus = 1; 857 m->option_rom_has_mr = true; 858 m->rom_file_has_mr = false; 859 pcmc->pci_enabled = false; 860 pcmc->has_acpi_build = false; 861 pcmc->smbios_defaults = false; 862 pcmc->gigabyte_align = false; 863 pcmc->smbios_legacy_mode = true; 864 pcmc->has_reserved_memory = false; 865 pcmc->default_nic_model = "ne2k_isa"; 866 m->default_cpu_type = X86_CPU_TYPE_NAME("486"); 867 } 868 869 DEFINE_PC_MACHINE(isapc, "isapc", pc_init_isa, 870 isapc_machine_options); 871 #endif 872 873 #ifdef CONFIG_XEN 874 static void xenfv_4_2_machine_options(MachineClass *m) 875 { 876 pc_i440fx_4_2_machine_options(m); 877 m->desc = "Xen Fully-virtualized PC"; 878 m->max_cpus = HVM_MAX_VCPUS; 879 m->default_machine_opts = "accel=xen,suppress-vmdesc=on"; 880 } 881 882 DEFINE_PC_MACHINE(xenfv_4_2, "xenfv-4.2", pc_xen_hvm_init, 883 xenfv_4_2_machine_options); 884 885 static void xenfv_3_1_machine_options(MachineClass *m) 886 { 887 pc_i440fx_3_1_machine_options(m); 888 m->desc = "Xen Fully-virtualized PC"; 889 m->alias = "xenfv"; 890 m->max_cpus = HVM_MAX_VCPUS; 891 m->default_machine_opts = "accel=xen,suppress-vmdesc=on"; 892 } 893 894 DEFINE_PC_MACHINE(xenfv, "xenfv-3.1", pc_xen_hvm_init, 895 xenfv_3_1_machine_options); 896 #endif