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 "qemu/units.h" 27 #include "hw/i386/x86.h" 28 #include "hw/i386/pc.h" 29 #include "hw/char/serial.h" 30 #include "hw/char/parallel.h" 31 #include "hw/i386/apic.h" 32 #include "hw/i386/topology.h" 33 #include "hw/i386/fw_cfg.h" 34 #include "sysemu/cpus.h" 35 #include "hw/block/fdc.h" 36 #include "hw/ide.h" 37 #include "hw/pci/pci.h" 38 #include "hw/pci/pci_bus.h" 39 #include "hw/nvram/fw_cfg.h" 40 #include "hw/timer/hpet.h" 41 #include "hw/firmware/smbios.h" 42 #include "hw/loader.h" 43 #include "elf.h" 44 #include "migration/vmstate.h" 45 #include "multiboot.h" 46 #include "hw/rtc/mc146818rtc.h" 47 #include "hw/dma/i8257.h" 48 #include "hw/timer/i8254.h" 49 #include "hw/input/i8042.h" 50 #include "hw/irq.h" 51 #include "hw/audio/pcspk.h" 52 #include "hw/pci/msi.h" 53 #include "hw/sysbus.h" 54 #include "sysemu/sysemu.h" 55 #include "sysemu/tcg.h" 56 #include "sysemu/numa.h" 57 #include "sysemu/kvm.h" 58 #include "sysemu/qtest.h" 59 #include "sysemu/reset.h" 60 #include "sysemu/runstate.h" 61 #include "kvm_i386.h" 62 #include "hw/xen/xen.h" 63 #include "hw/xen/start_info.h" 64 #include "ui/qemu-spice.h" 65 #include "exec/memory.h" 66 #include "exec/address-spaces.h" 67 #include "sysemu/arch_init.h" 68 #include "qemu/bitmap.h" 69 #include "qemu/config-file.h" 70 #include "qemu/error-report.h" 71 #include "qemu/option.h" 72 #include "qemu/cutils.h" 73 #include "hw/acpi/acpi.h" 74 #include "hw/acpi/cpu_hotplug.h" 75 #include "hw/boards.h" 76 #include "acpi-build.h" 77 #include "hw/mem/pc-dimm.h" 78 #include "qapi/error.h" 79 #include "qapi/qapi-visit-common.h" 80 #include "qapi/visitor.h" 81 #include "hw/core/cpu.h" 82 #include "hw/usb.h" 83 #include "hw/i386/intel_iommu.h" 84 #include "hw/net/ne2000-isa.h" 85 #include "standard-headers/asm-x86/bootparam.h" 86 #include "hw/virtio/virtio-pmem-pci.h" 87 #include "hw/mem/memory-device.h" 88 #include "sysemu/replay.h" 89 #include "qapi/qmp/qerror.h" 90 #include "config-devices.h" 91 #include "e820_memory_layout.h" 92 #include "fw_cfg.h" 93 94 /* debug PC/ISA interrupts */ 95 //#define DEBUG_IRQ 96 97 #ifdef DEBUG_IRQ 98 #define DPRINTF(fmt, ...) \ 99 do { printf("CPUIRQ: " fmt , ## __VA_ARGS__); } while (0) 100 #else 101 #define DPRINTF(fmt, ...) 102 #endif 103 104 struct hpet_fw_config hpet_cfg = {.count = UINT8_MAX}; 105 106 GlobalProperty pc_compat_4_1[] = {}; 107 const size_t pc_compat_4_1_len = G_N_ELEMENTS(pc_compat_4_1); 108 109 GlobalProperty pc_compat_4_0[] = {}; 110 const size_t pc_compat_4_0_len = G_N_ELEMENTS(pc_compat_4_0); 111 112 GlobalProperty pc_compat_3_1[] = { 113 { "intel-iommu", "dma-drain", "off" }, 114 { "Opteron_G3" "-" TYPE_X86_CPU, "rdtscp", "off" }, 115 { "Opteron_G4" "-" TYPE_X86_CPU, "rdtscp", "off" }, 116 { "Opteron_G4" "-" TYPE_X86_CPU, "npt", "off" }, 117 { "Opteron_G4" "-" TYPE_X86_CPU, "nrip-save", "off" }, 118 { "Opteron_G5" "-" TYPE_X86_CPU, "rdtscp", "off" }, 119 { "Opteron_G5" "-" TYPE_X86_CPU, "npt", "off" }, 120 { "Opteron_G5" "-" TYPE_X86_CPU, "nrip-save", "off" }, 121 { "EPYC" "-" TYPE_X86_CPU, "npt", "off" }, 122 { "EPYC" "-" TYPE_X86_CPU, "nrip-save", "off" }, 123 { "EPYC-IBPB" "-" TYPE_X86_CPU, "npt", "off" }, 124 { "EPYC-IBPB" "-" TYPE_X86_CPU, "nrip-save", "off" }, 125 { "Skylake-Client" "-" TYPE_X86_CPU, "mpx", "on" }, 126 { "Skylake-Client-IBRS" "-" TYPE_X86_CPU, "mpx", "on" }, 127 { "Skylake-Server" "-" TYPE_X86_CPU, "mpx", "on" }, 128 { "Skylake-Server-IBRS" "-" TYPE_X86_CPU, "mpx", "on" }, 129 { "Cascadelake-Server" "-" TYPE_X86_CPU, "mpx", "on" }, 130 { "Icelake-Client" "-" TYPE_X86_CPU, "mpx", "on" }, 131 { "Icelake-Server" "-" TYPE_X86_CPU, "mpx", "on" }, 132 { "Cascadelake-Server" "-" TYPE_X86_CPU, "stepping", "5" }, 133 { TYPE_X86_CPU, "x-intel-pt-auto-level", "off" }, 134 }; 135 const size_t pc_compat_3_1_len = G_N_ELEMENTS(pc_compat_3_1); 136 137 GlobalProperty pc_compat_3_0[] = { 138 { TYPE_X86_CPU, "x-hv-synic-kvm-only", "on" }, 139 { "Skylake-Server" "-" TYPE_X86_CPU, "pku", "off" }, 140 { "Skylake-Server-IBRS" "-" TYPE_X86_CPU, "pku", "off" }, 141 }; 142 const size_t pc_compat_3_0_len = G_N_ELEMENTS(pc_compat_3_0); 143 144 GlobalProperty pc_compat_2_12[] = { 145 { TYPE_X86_CPU, "legacy-cache", "on" }, 146 { TYPE_X86_CPU, "topoext", "off" }, 147 { "EPYC-" TYPE_X86_CPU, "xlevel", "0x8000000a" }, 148 { "EPYC-IBPB-" TYPE_X86_CPU, "xlevel", "0x8000000a" }, 149 }; 150 const size_t pc_compat_2_12_len = G_N_ELEMENTS(pc_compat_2_12); 151 152 GlobalProperty pc_compat_2_11[] = { 153 { TYPE_X86_CPU, "x-migrate-smi-count", "off" }, 154 { "Skylake-Server" "-" TYPE_X86_CPU, "clflushopt", "off" }, 155 }; 156 const size_t pc_compat_2_11_len = G_N_ELEMENTS(pc_compat_2_11); 157 158 GlobalProperty pc_compat_2_10[] = { 159 { TYPE_X86_CPU, "x-hv-max-vps", "0x40" }, 160 { "i440FX-pcihost", "x-pci-hole64-fix", "off" }, 161 { "q35-pcihost", "x-pci-hole64-fix", "off" }, 162 }; 163 const size_t pc_compat_2_10_len = G_N_ELEMENTS(pc_compat_2_10); 164 165 GlobalProperty pc_compat_2_9[] = { 166 { "mch", "extended-tseg-mbytes", "0" }, 167 }; 168 const size_t pc_compat_2_9_len = G_N_ELEMENTS(pc_compat_2_9); 169 170 GlobalProperty pc_compat_2_8[] = { 171 { TYPE_X86_CPU, "tcg-cpuid", "off" }, 172 { "kvmclock", "x-mach-use-reliable-get-clock", "off" }, 173 { "ICH9-LPC", "x-smi-broadcast", "off" }, 174 { TYPE_X86_CPU, "vmware-cpuid-freq", "off" }, 175 { "Haswell-" TYPE_X86_CPU, "stepping", "1" }, 176 }; 177 const size_t pc_compat_2_8_len = G_N_ELEMENTS(pc_compat_2_8); 178 179 GlobalProperty pc_compat_2_7[] = { 180 { TYPE_X86_CPU, "l3-cache", "off" }, 181 { TYPE_X86_CPU, "full-cpuid-auto-level", "off" }, 182 { "Opteron_G3" "-" TYPE_X86_CPU, "family", "15" }, 183 { "Opteron_G3" "-" TYPE_X86_CPU, "model", "6" }, 184 { "Opteron_G3" "-" TYPE_X86_CPU, "stepping", "1" }, 185 { "isa-pcspk", "migrate", "off" }, 186 }; 187 const size_t pc_compat_2_7_len = G_N_ELEMENTS(pc_compat_2_7); 188 189 GlobalProperty pc_compat_2_6[] = { 190 { TYPE_X86_CPU, "cpuid-0xb", "off" }, 191 { "vmxnet3", "romfile", "" }, 192 { TYPE_X86_CPU, "fill-mtrr-mask", "off" }, 193 { "apic-common", "legacy-instance-id", "on", } 194 }; 195 const size_t pc_compat_2_6_len = G_N_ELEMENTS(pc_compat_2_6); 196 197 GlobalProperty pc_compat_2_5[] = {}; 198 const size_t pc_compat_2_5_len = G_N_ELEMENTS(pc_compat_2_5); 199 200 GlobalProperty pc_compat_2_4[] = { 201 PC_CPU_MODEL_IDS("2.4.0") 202 { "Haswell-" TYPE_X86_CPU, "abm", "off" }, 203 { "Haswell-noTSX-" TYPE_X86_CPU, "abm", "off" }, 204 { "Broadwell-" TYPE_X86_CPU, "abm", "off" }, 205 { "Broadwell-noTSX-" TYPE_X86_CPU, "abm", "off" }, 206 { "host" "-" TYPE_X86_CPU, "host-cache-info", "on" }, 207 { TYPE_X86_CPU, "check", "off" }, 208 { "qemu64" "-" TYPE_X86_CPU, "sse4a", "on" }, 209 { "qemu64" "-" TYPE_X86_CPU, "abm", "on" }, 210 { "qemu64" "-" TYPE_X86_CPU, "popcnt", "on" }, 211 { "qemu32" "-" TYPE_X86_CPU, "popcnt", "on" }, 212 { "Opteron_G2" "-" TYPE_X86_CPU, "rdtscp", "on" }, 213 { "Opteron_G3" "-" TYPE_X86_CPU, "rdtscp", "on" }, 214 { "Opteron_G4" "-" TYPE_X86_CPU, "rdtscp", "on" }, 215 { "Opteron_G5" "-" TYPE_X86_CPU, "rdtscp", "on", } 216 }; 217 const size_t pc_compat_2_4_len = G_N_ELEMENTS(pc_compat_2_4); 218 219 GlobalProperty pc_compat_2_3[] = { 220 PC_CPU_MODEL_IDS("2.3.0") 221 { TYPE_X86_CPU, "arat", "off" }, 222 { "qemu64" "-" TYPE_X86_CPU, "min-level", "4" }, 223 { "kvm64" "-" TYPE_X86_CPU, "min-level", "5" }, 224 { "pentium3" "-" TYPE_X86_CPU, "min-level", "2" }, 225 { "n270" "-" TYPE_X86_CPU, "min-level", "5" }, 226 { "Conroe" "-" TYPE_X86_CPU, "min-level", "4" }, 227 { "Penryn" "-" TYPE_X86_CPU, "min-level", "4" }, 228 { "Nehalem" "-" TYPE_X86_CPU, "min-level", "4" }, 229 { "n270" "-" TYPE_X86_CPU, "min-xlevel", "0x8000000a" }, 230 { "Penryn" "-" TYPE_X86_CPU, "min-xlevel", "0x8000000a" }, 231 { "Conroe" "-" TYPE_X86_CPU, "min-xlevel", "0x8000000a" }, 232 { "Nehalem" "-" TYPE_X86_CPU, "min-xlevel", "0x8000000a" }, 233 { "Westmere" "-" TYPE_X86_CPU, "min-xlevel", "0x8000000a" }, 234 { "SandyBridge" "-" TYPE_X86_CPU, "min-xlevel", "0x8000000a" }, 235 { "IvyBridge" "-" TYPE_X86_CPU, "min-xlevel", "0x8000000a" }, 236 { "Haswell" "-" TYPE_X86_CPU, "min-xlevel", "0x8000000a" }, 237 { "Haswell-noTSX" "-" TYPE_X86_CPU, "min-xlevel", "0x8000000a" }, 238 { "Broadwell" "-" TYPE_X86_CPU, "min-xlevel", "0x8000000a" }, 239 { "Broadwell-noTSX" "-" TYPE_X86_CPU, "min-xlevel", "0x8000000a" }, 240 { TYPE_X86_CPU, "kvm-no-smi-migration", "on" }, 241 }; 242 const size_t pc_compat_2_3_len = G_N_ELEMENTS(pc_compat_2_3); 243 244 GlobalProperty pc_compat_2_2[] = { 245 PC_CPU_MODEL_IDS("2.2.0") 246 { "kvm64" "-" TYPE_X86_CPU, "vme", "off" }, 247 { "kvm32" "-" TYPE_X86_CPU, "vme", "off" }, 248 { "Conroe" "-" TYPE_X86_CPU, "vme", "off" }, 249 { "Penryn" "-" TYPE_X86_CPU, "vme", "off" }, 250 { "Nehalem" "-" TYPE_X86_CPU, "vme", "off" }, 251 { "Westmere" "-" TYPE_X86_CPU, "vme", "off" }, 252 { "SandyBridge" "-" TYPE_X86_CPU, "vme", "off" }, 253 { "Haswell" "-" TYPE_X86_CPU, "vme", "off" }, 254 { "Broadwell" "-" TYPE_X86_CPU, "vme", "off" }, 255 { "Opteron_G1" "-" TYPE_X86_CPU, "vme", "off" }, 256 { "Opteron_G2" "-" TYPE_X86_CPU, "vme", "off" }, 257 { "Opteron_G3" "-" TYPE_X86_CPU, "vme", "off" }, 258 { "Opteron_G4" "-" TYPE_X86_CPU, "vme", "off" }, 259 { "Opteron_G5" "-" TYPE_X86_CPU, "vme", "off" }, 260 { "Haswell" "-" TYPE_X86_CPU, "f16c", "off" }, 261 { "Haswell" "-" TYPE_X86_CPU, "rdrand", "off" }, 262 { "Broadwell" "-" TYPE_X86_CPU, "f16c", "off" }, 263 { "Broadwell" "-" TYPE_X86_CPU, "rdrand", "off" }, 264 }; 265 const size_t pc_compat_2_2_len = G_N_ELEMENTS(pc_compat_2_2); 266 267 GlobalProperty pc_compat_2_1[] = { 268 PC_CPU_MODEL_IDS("2.1.0") 269 { "coreduo" "-" TYPE_X86_CPU, "vmx", "on" }, 270 { "core2duo" "-" TYPE_X86_CPU, "vmx", "on" }, 271 }; 272 const size_t pc_compat_2_1_len = G_N_ELEMENTS(pc_compat_2_1); 273 274 GlobalProperty pc_compat_2_0[] = { 275 PC_CPU_MODEL_IDS("2.0.0") 276 { "virtio-scsi-pci", "any_layout", "off" }, 277 { "PIIX4_PM", "memory-hotplug-support", "off" }, 278 { "apic", "version", "0x11" }, 279 { "nec-usb-xhci", "superspeed-ports-first", "off" }, 280 { "nec-usb-xhci", "force-pcie-endcap", "on" }, 281 { "pci-serial", "prog_if", "0" }, 282 { "pci-serial-2x", "prog_if", "0" }, 283 { "pci-serial-4x", "prog_if", "0" }, 284 { "virtio-net-pci", "guest_announce", "off" }, 285 { "ICH9-LPC", "memory-hotplug-support", "off" }, 286 { "xio3130-downstream", COMPAT_PROP_PCP, "off" }, 287 { "ioh3420", COMPAT_PROP_PCP, "off" }, 288 }; 289 const size_t pc_compat_2_0_len = G_N_ELEMENTS(pc_compat_2_0); 290 291 GlobalProperty pc_compat_1_7[] = { 292 PC_CPU_MODEL_IDS("1.7.0") 293 { TYPE_USB_DEVICE, "msos-desc", "no" }, 294 { "PIIX4_PM", "acpi-pci-hotplug-with-bridge-support", "off" }, 295 { "hpet", HPET_INTCAP, "4" }, 296 }; 297 const size_t pc_compat_1_7_len = G_N_ELEMENTS(pc_compat_1_7); 298 299 GlobalProperty pc_compat_1_6[] = { 300 PC_CPU_MODEL_IDS("1.6.0") 301 { "e1000", "mitigation", "off" }, 302 { "qemu64-" TYPE_X86_CPU, "model", "2" }, 303 { "qemu32-" TYPE_X86_CPU, "model", "3" }, 304 { "i440FX-pcihost", "short_root_bus", "1" }, 305 { "q35-pcihost", "short_root_bus", "1" }, 306 }; 307 const size_t pc_compat_1_6_len = G_N_ELEMENTS(pc_compat_1_6); 308 309 GlobalProperty pc_compat_1_5[] = { 310 PC_CPU_MODEL_IDS("1.5.0") 311 { "Conroe-" TYPE_X86_CPU, "model", "2" }, 312 { "Conroe-" TYPE_X86_CPU, "min-level", "2" }, 313 { "Penryn-" TYPE_X86_CPU, "model", "2" }, 314 { "Penryn-" TYPE_X86_CPU, "min-level", "2" }, 315 { "Nehalem-" TYPE_X86_CPU, "model", "2" }, 316 { "Nehalem-" TYPE_X86_CPU, "min-level", "2" }, 317 { "virtio-net-pci", "any_layout", "off" }, 318 { TYPE_X86_CPU, "pmu", "on" }, 319 { "i440FX-pcihost", "short_root_bus", "0" }, 320 { "q35-pcihost", "short_root_bus", "0" }, 321 }; 322 const size_t pc_compat_1_5_len = G_N_ELEMENTS(pc_compat_1_5); 323 324 GlobalProperty pc_compat_1_4[] = { 325 PC_CPU_MODEL_IDS("1.4.0") 326 { "scsi-hd", "discard_granularity", "0" }, 327 { "scsi-cd", "discard_granularity", "0" }, 328 { "scsi-disk", "discard_granularity", "0" }, 329 { "ide-hd", "discard_granularity", "0" }, 330 { "ide-cd", "discard_granularity", "0" }, 331 { "ide-drive", "discard_granularity", "0" }, 332 { "virtio-blk-pci", "discard_granularity", "0" }, 333 /* DEV_NVECTORS_UNSPECIFIED as a uint32_t string: */ 334 { "virtio-serial-pci", "vectors", "0xFFFFFFFF" }, 335 { "virtio-net-pci", "ctrl_guest_offloads", "off" }, 336 { "e1000", "romfile", "pxe-e1000.rom" }, 337 { "ne2k_pci", "romfile", "pxe-ne2k_pci.rom" }, 338 { "pcnet", "romfile", "pxe-pcnet.rom" }, 339 { "rtl8139", "romfile", "pxe-rtl8139.rom" }, 340 { "virtio-net-pci", "romfile", "pxe-virtio.rom" }, 341 { "486-" TYPE_X86_CPU, "model", "0" }, 342 { "n270" "-" TYPE_X86_CPU, "movbe", "off" }, 343 { "Westmere" "-" TYPE_X86_CPU, "pclmulqdq", "off" }, 344 }; 345 const size_t pc_compat_1_4_len = G_N_ELEMENTS(pc_compat_1_4); 346 347 void gsi_handler(void *opaque, int n, int level) 348 { 349 GSIState *s = opaque; 350 351 DPRINTF("pc: %s GSI %d\n", level ? "raising" : "lowering", n); 352 if (n < ISA_NUM_IRQS) { 353 qemu_set_irq(s->i8259_irq[n], level); 354 } 355 qemu_set_irq(s->ioapic_irq[n], level); 356 } 357 358 GSIState *pc_gsi_create(qemu_irq **irqs, bool pci_enabled) 359 { 360 GSIState *s; 361 362 s = g_new0(GSIState, 1); 363 if (kvm_ioapic_in_kernel()) { 364 kvm_pc_setup_irq_routing(pci_enabled); 365 *irqs = qemu_allocate_irqs(kvm_pc_gsi_handler, s, GSI_NUM_PINS); 366 } else { 367 *irqs = qemu_allocate_irqs(gsi_handler, s, GSI_NUM_PINS); 368 } 369 370 return s; 371 } 372 373 static void ioport80_write(void *opaque, hwaddr addr, uint64_t data, 374 unsigned size) 375 { 376 } 377 378 static uint64_t ioport80_read(void *opaque, hwaddr addr, unsigned size) 379 { 380 return 0xffffffffffffffffULL; 381 } 382 383 /* MSDOS compatibility mode FPU exception support */ 384 static void ioportF0_write(void *opaque, hwaddr addr, uint64_t data, 385 unsigned size) 386 { 387 if (tcg_enabled()) { 388 cpu_set_ignne(); 389 } 390 } 391 392 static uint64_t ioportF0_read(void *opaque, hwaddr addr, unsigned size) 393 { 394 return 0xffffffffffffffffULL; 395 } 396 397 /* TSC handling */ 398 uint64_t cpu_get_tsc(CPUX86State *env) 399 { 400 return cpu_get_ticks(); 401 } 402 403 /* IRQ handling */ 404 int cpu_get_pic_interrupt(CPUX86State *env) 405 { 406 X86CPU *cpu = env_archcpu(env); 407 int intno; 408 409 if (!kvm_irqchip_in_kernel()) { 410 intno = apic_get_interrupt(cpu->apic_state); 411 if (intno >= 0) { 412 return intno; 413 } 414 /* read the irq from the PIC */ 415 if (!apic_accept_pic_intr(cpu->apic_state)) { 416 return -1; 417 } 418 } 419 420 intno = pic_read_irq(isa_pic); 421 return intno; 422 } 423 424 static void pic_irq_request(void *opaque, int irq, int level) 425 { 426 CPUState *cs = first_cpu; 427 X86CPU *cpu = X86_CPU(cs); 428 429 DPRINTF("pic_irqs: %s irq %d\n", level? "raise" : "lower", irq); 430 if (cpu->apic_state && !kvm_irqchip_in_kernel()) { 431 CPU_FOREACH(cs) { 432 cpu = X86_CPU(cs); 433 if (apic_accept_pic_intr(cpu->apic_state)) { 434 apic_deliver_pic_intr(cpu->apic_state, level); 435 } 436 } 437 } else { 438 if (level) { 439 cpu_interrupt(cs, CPU_INTERRUPT_HARD); 440 } else { 441 cpu_reset_interrupt(cs, CPU_INTERRUPT_HARD); 442 } 443 } 444 } 445 446 /* PC cmos mappings */ 447 448 #define REG_EQUIPMENT_BYTE 0x14 449 450 int cmos_get_fd_drive_type(FloppyDriveType fd0) 451 { 452 int val; 453 454 switch (fd0) { 455 case FLOPPY_DRIVE_TYPE_144: 456 /* 1.44 Mb 3"5 drive */ 457 val = 4; 458 break; 459 case FLOPPY_DRIVE_TYPE_288: 460 /* 2.88 Mb 3"5 drive */ 461 val = 5; 462 break; 463 case FLOPPY_DRIVE_TYPE_120: 464 /* 1.2 Mb 5"5 drive */ 465 val = 2; 466 break; 467 case FLOPPY_DRIVE_TYPE_NONE: 468 default: 469 val = 0; 470 break; 471 } 472 return val; 473 } 474 475 static void cmos_init_hd(ISADevice *s, int type_ofs, int info_ofs, 476 int16_t cylinders, int8_t heads, int8_t sectors) 477 { 478 rtc_set_memory(s, type_ofs, 47); 479 rtc_set_memory(s, info_ofs, cylinders); 480 rtc_set_memory(s, info_ofs + 1, cylinders >> 8); 481 rtc_set_memory(s, info_ofs + 2, heads); 482 rtc_set_memory(s, info_ofs + 3, 0xff); 483 rtc_set_memory(s, info_ofs + 4, 0xff); 484 rtc_set_memory(s, info_ofs + 5, 0xc0 | ((heads > 8) << 3)); 485 rtc_set_memory(s, info_ofs + 6, cylinders); 486 rtc_set_memory(s, info_ofs + 7, cylinders >> 8); 487 rtc_set_memory(s, info_ofs + 8, sectors); 488 } 489 490 /* convert boot_device letter to something recognizable by the bios */ 491 static int boot_device2nibble(char boot_device) 492 { 493 switch(boot_device) { 494 case 'a': 495 case 'b': 496 return 0x01; /* floppy boot */ 497 case 'c': 498 return 0x02; /* hard drive boot */ 499 case 'd': 500 return 0x03; /* CD-ROM boot */ 501 case 'n': 502 return 0x04; /* Network boot */ 503 } 504 return 0; 505 } 506 507 static void set_boot_dev(ISADevice *s, const char *boot_device, Error **errp) 508 { 509 #define PC_MAX_BOOT_DEVICES 3 510 int nbds, bds[3] = { 0, }; 511 int i; 512 513 nbds = strlen(boot_device); 514 if (nbds > PC_MAX_BOOT_DEVICES) { 515 error_setg(errp, "Too many boot devices for PC"); 516 return; 517 } 518 for (i = 0; i < nbds; i++) { 519 bds[i] = boot_device2nibble(boot_device[i]); 520 if (bds[i] == 0) { 521 error_setg(errp, "Invalid boot device for PC: '%c'", 522 boot_device[i]); 523 return; 524 } 525 } 526 rtc_set_memory(s, 0x3d, (bds[1] << 4) | bds[0]); 527 rtc_set_memory(s, 0x38, (bds[2] << 4) | (fd_bootchk ? 0x0 : 0x1)); 528 } 529 530 static void pc_boot_set(void *opaque, const char *boot_device, Error **errp) 531 { 532 set_boot_dev(opaque, boot_device, errp); 533 } 534 535 static void pc_cmos_init_floppy(ISADevice *rtc_state, ISADevice *floppy) 536 { 537 int val, nb, i; 538 FloppyDriveType fd_type[2] = { FLOPPY_DRIVE_TYPE_NONE, 539 FLOPPY_DRIVE_TYPE_NONE }; 540 541 /* floppy type */ 542 if (floppy) { 543 for (i = 0; i < 2; i++) { 544 fd_type[i] = isa_fdc_get_drive_type(floppy, i); 545 } 546 } 547 val = (cmos_get_fd_drive_type(fd_type[0]) << 4) | 548 cmos_get_fd_drive_type(fd_type[1]); 549 rtc_set_memory(rtc_state, 0x10, val); 550 551 val = rtc_get_memory(rtc_state, REG_EQUIPMENT_BYTE); 552 nb = 0; 553 if (fd_type[0] != FLOPPY_DRIVE_TYPE_NONE) { 554 nb++; 555 } 556 if (fd_type[1] != FLOPPY_DRIVE_TYPE_NONE) { 557 nb++; 558 } 559 switch (nb) { 560 case 0: 561 break; 562 case 1: 563 val |= 0x01; /* 1 drive, ready for boot */ 564 break; 565 case 2: 566 val |= 0x41; /* 2 drives, ready for boot */ 567 break; 568 } 569 rtc_set_memory(rtc_state, REG_EQUIPMENT_BYTE, val); 570 } 571 572 typedef struct pc_cmos_init_late_arg { 573 ISADevice *rtc_state; 574 BusState *idebus[2]; 575 } pc_cmos_init_late_arg; 576 577 typedef struct check_fdc_state { 578 ISADevice *floppy; 579 bool multiple; 580 } CheckFdcState; 581 582 static int check_fdc(Object *obj, void *opaque) 583 { 584 CheckFdcState *state = opaque; 585 Object *fdc; 586 uint32_t iobase; 587 Error *local_err = NULL; 588 589 fdc = object_dynamic_cast(obj, TYPE_ISA_FDC); 590 if (!fdc) { 591 return 0; 592 } 593 594 iobase = object_property_get_uint(obj, "iobase", &local_err); 595 if (local_err || iobase != 0x3f0) { 596 error_free(local_err); 597 return 0; 598 } 599 600 if (state->floppy) { 601 state->multiple = true; 602 } else { 603 state->floppy = ISA_DEVICE(obj); 604 } 605 return 0; 606 } 607 608 static const char * const fdc_container_path[] = { 609 "/unattached", "/peripheral", "/peripheral-anon" 610 }; 611 612 /* 613 * Locate the FDC at IO address 0x3f0, in order to configure the CMOS registers 614 * and ACPI objects. 615 */ 616 ISADevice *pc_find_fdc0(void) 617 { 618 int i; 619 Object *container; 620 CheckFdcState state = { 0 }; 621 622 for (i = 0; i < ARRAY_SIZE(fdc_container_path); i++) { 623 container = container_get(qdev_get_machine(), fdc_container_path[i]); 624 object_child_foreach(container, check_fdc, &state); 625 } 626 627 if (state.multiple) { 628 warn_report("multiple floppy disk controllers with " 629 "iobase=0x3f0 have been found"); 630 error_printf("the one being picked for CMOS setup might not reflect " 631 "your intent"); 632 } 633 634 return state.floppy; 635 } 636 637 static void pc_cmos_init_late(void *opaque) 638 { 639 pc_cmos_init_late_arg *arg = opaque; 640 ISADevice *s = arg->rtc_state; 641 int16_t cylinders; 642 int8_t heads, sectors; 643 int val; 644 int i, trans; 645 646 val = 0; 647 if (arg->idebus[0] && ide_get_geometry(arg->idebus[0], 0, 648 &cylinders, &heads, §ors) >= 0) { 649 cmos_init_hd(s, 0x19, 0x1b, cylinders, heads, sectors); 650 val |= 0xf0; 651 } 652 if (arg->idebus[0] && ide_get_geometry(arg->idebus[0], 1, 653 &cylinders, &heads, §ors) >= 0) { 654 cmos_init_hd(s, 0x1a, 0x24, cylinders, heads, sectors); 655 val |= 0x0f; 656 } 657 rtc_set_memory(s, 0x12, val); 658 659 val = 0; 660 for (i = 0; i < 4; i++) { 661 /* NOTE: ide_get_geometry() returns the physical 662 geometry. It is always such that: 1 <= sects <= 63, 1 663 <= heads <= 16, 1 <= cylinders <= 16383. The BIOS 664 geometry can be different if a translation is done. */ 665 if (arg->idebus[i / 2] && 666 ide_get_geometry(arg->idebus[i / 2], i % 2, 667 &cylinders, &heads, §ors) >= 0) { 668 trans = ide_get_bios_chs_trans(arg->idebus[i / 2], i % 2) - 1; 669 assert((trans & ~3) == 0); 670 val |= trans << (i * 2); 671 } 672 } 673 rtc_set_memory(s, 0x39, val); 674 675 pc_cmos_init_floppy(s, pc_find_fdc0()); 676 677 qemu_unregister_reset(pc_cmos_init_late, opaque); 678 } 679 680 void pc_cmos_init(PCMachineState *pcms, 681 BusState *idebus0, BusState *idebus1, 682 ISADevice *s) 683 { 684 int val; 685 static pc_cmos_init_late_arg arg; 686 X86MachineState *x86ms = X86_MACHINE(pcms); 687 688 /* various important CMOS locations needed by PC/Bochs bios */ 689 690 /* memory size */ 691 /* base memory (first MiB) */ 692 val = MIN(x86ms->below_4g_mem_size / KiB, 640); 693 rtc_set_memory(s, 0x15, val); 694 rtc_set_memory(s, 0x16, val >> 8); 695 /* extended memory (next 64MiB) */ 696 if (x86ms->below_4g_mem_size > 1 * MiB) { 697 val = (x86ms->below_4g_mem_size - 1 * MiB) / KiB; 698 } else { 699 val = 0; 700 } 701 if (val > 65535) 702 val = 65535; 703 rtc_set_memory(s, 0x17, val); 704 rtc_set_memory(s, 0x18, val >> 8); 705 rtc_set_memory(s, 0x30, val); 706 rtc_set_memory(s, 0x31, val >> 8); 707 /* memory between 16MiB and 4GiB */ 708 if (x86ms->below_4g_mem_size > 16 * MiB) { 709 val = (x86ms->below_4g_mem_size - 16 * MiB) / (64 * KiB); 710 } else { 711 val = 0; 712 } 713 if (val > 65535) 714 val = 65535; 715 rtc_set_memory(s, 0x34, val); 716 rtc_set_memory(s, 0x35, val >> 8); 717 /* memory above 4GiB */ 718 val = x86ms->above_4g_mem_size / 65536; 719 rtc_set_memory(s, 0x5b, val); 720 rtc_set_memory(s, 0x5c, val >> 8); 721 rtc_set_memory(s, 0x5d, val >> 16); 722 723 object_property_add_link(OBJECT(pcms), "rtc_state", 724 TYPE_ISA_DEVICE, 725 (Object **)&x86ms->rtc, 726 object_property_allow_set_link, 727 OBJ_PROP_LINK_STRONG, &error_abort); 728 object_property_set_link(OBJECT(pcms), OBJECT(s), 729 "rtc_state", &error_abort); 730 731 set_boot_dev(s, MACHINE(pcms)->boot_order, &error_fatal); 732 733 val = 0; 734 val |= 0x02; /* FPU is there */ 735 val |= 0x04; /* PS/2 mouse installed */ 736 rtc_set_memory(s, REG_EQUIPMENT_BYTE, val); 737 738 /* hard drives and FDC */ 739 arg.rtc_state = s; 740 arg.idebus[0] = idebus0; 741 arg.idebus[1] = idebus1; 742 qemu_register_reset(pc_cmos_init_late, &arg); 743 } 744 745 #define TYPE_PORT92 "port92" 746 #define PORT92(obj) OBJECT_CHECK(Port92State, (obj), TYPE_PORT92) 747 748 /* port 92 stuff: could be split off */ 749 typedef struct Port92State { 750 ISADevice parent_obj; 751 752 MemoryRegion io; 753 uint8_t outport; 754 qemu_irq a20_out; 755 } Port92State; 756 757 static void port92_write(void *opaque, hwaddr addr, uint64_t val, 758 unsigned size) 759 { 760 Port92State *s = opaque; 761 int oldval = s->outport; 762 763 DPRINTF("port92: write 0x%02" PRIx64 "\n", val); 764 s->outport = val; 765 qemu_set_irq(s->a20_out, (val >> 1) & 1); 766 if ((val & 1) && !(oldval & 1)) { 767 qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET); 768 } 769 } 770 771 static uint64_t port92_read(void *opaque, hwaddr addr, 772 unsigned size) 773 { 774 Port92State *s = opaque; 775 uint32_t ret; 776 777 ret = s->outport; 778 DPRINTF("port92: read 0x%02x\n", ret); 779 return ret; 780 } 781 782 static void port92_init(ISADevice *dev, qemu_irq a20_out) 783 { 784 qdev_connect_gpio_out_named(DEVICE(dev), PORT92_A20_LINE, 0, a20_out); 785 } 786 787 static const VMStateDescription vmstate_port92_isa = { 788 .name = "port92", 789 .version_id = 1, 790 .minimum_version_id = 1, 791 .fields = (VMStateField[]) { 792 VMSTATE_UINT8(outport, Port92State), 793 VMSTATE_END_OF_LIST() 794 } 795 }; 796 797 static void port92_reset(DeviceState *d) 798 { 799 Port92State *s = PORT92(d); 800 801 s->outport &= ~1; 802 } 803 804 static const MemoryRegionOps port92_ops = { 805 .read = port92_read, 806 .write = port92_write, 807 .impl = { 808 .min_access_size = 1, 809 .max_access_size = 1, 810 }, 811 .endianness = DEVICE_LITTLE_ENDIAN, 812 }; 813 814 static void port92_initfn(Object *obj) 815 { 816 Port92State *s = PORT92(obj); 817 818 memory_region_init_io(&s->io, OBJECT(s), &port92_ops, s, "port92", 1); 819 820 s->outport = 0; 821 822 qdev_init_gpio_out_named(DEVICE(obj), &s->a20_out, PORT92_A20_LINE, 1); 823 } 824 825 static void port92_realizefn(DeviceState *dev, Error **errp) 826 { 827 ISADevice *isadev = ISA_DEVICE(dev); 828 Port92State *s = PORT92(dev); 829 830 isa_register_ioport(isadev, &s->io, 0x92); 831 } 832 833 static void port92_class_initfn(ObjectClass *klass, void *data) 834 { 835 DeviceClass *dc = DEVICE_CLASS(klass); 836 837 dc->realize = port92_realizefn; 838 dc->reset = port92_reset; 839 dc->vmsd = &vmstate_port92_isa; 840 /* 841 * Reason: unlike ordinary ISA devices, this one needs additional 842 * wiring: its A20 output line needs to be wired up by 843 * port92_init(). 844 */ 845 dc->user_creatable = false; 846 } 847 848 static const TypeInfo port92_info = { 849 .name = TYPE_PORT92, 850 .parent = TYPE_ISA_DEVICE, 851 .instance_size = sizeof(Port92State), 852 .instance_init = port92_initfn, 853 .class_init = port92_class_initfn, 854 }; 855 856 static void port92_register_types(void) 857 { 858 type_register_static(&port92_info); 859 } 860 861 type_init(port92_register_types) 862 863 static void handle_a20_line_change(void *opaque, int irq, int level) 864 { 865 X86CPU *cpu = opaque; 866 867 /* XXX: send to all CPUs ? */ 868 /* XXX: add logic to handle multiple A20 line sources */ 869 x86_cpu_set_a20(cpu, level); 870 } 871 872 #define NE2000_NB_MAX 6 873 874 static const int ne2000_io[NE2000_NB_MAX] = { 0x300, 0x320, 0x340, 0x360, 875 0x280, 0x380 }; 876 static const int ne2000_irq[NE2000_NB_MAX] = { 9, 10, 11, 3, 4, 5 }; 877 878 void pc_init_ne2k_isa(ISABus *bus, NICInfo *nd) 879 { 880 static int nb_ne2k = 0; 881 882 if (nb_ne2k == NE2000_NB_MAX) 883 return; 884 isa_ne2000_init(bus, ne2000_io[nb_ne2k], 885 ne2000_irq[nb_ne2k], nd); 886 nb_ne2k++; 887 } 888 889 DeviceState *cpu_get_current_apic(void) 890 { 891 if (current_cpu) { 892 X86CPU *cpu = X86_CPU(current_cpu); 893 return cpu->apic_state; 894 } else { 895 return NULL; 896 } 897 } 898 899 void pc_acpi_smi_interrupt(void *opaque, int irq, int level) 900 { 901 X86CPU *cpu = opaque; 902 903 if (level) { 904 cpu_interrupt(CPU(cpu), CPU_INTERRUPT_SMI); 905 } 906 } 907 908 /* 909 * This function is very similar to smp_parse() 910 * in hw/core/machine.c but includes CPU die support. 911 */ 912 void pc_smp_parse(MachineState *ms, QemuOpts *opts) 913 { 914 X86MachineState *x86ms = X86_MACHINE(ms); 915 916 if (opts) { 917 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0); 918 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0); 919 unsigned dies = qemu_opt_get_number(opts, "dies", 1); 920 unsigned cores = qemu_opt_get_number(opts, "cores", 0); 921 unsigned threads = qemu_opt_get_number(opts, "threads", 0); 922 923 /* compute missing values, prefer sockets over cores over threads */ 924 if (cpus == 0 || sockets == 0) { 925 cores = cores > 0 ? cores : 1; 926 threads = threads > 0 ? threads : 1; 927 if (cpus == 0) { 928 sockets = sockets > 0 ? sockets : 1; 929 cpus = cores * threads * dies * sockets; 930 } else { 931 ms->smp.max_cpus = 932 qemu_opt_get_number(opts, "maxcpus", cpus); 933 sockets = ms->smp.max_cpus / (cores * threads * dies); 934 } 935 } else if (cores == 0) { 936 threads = threads > 0 ? threads : 1; 937 cores = cpus / (sockets * dies * threads); 938 cores = cores > 0 ? cores : 1; 939 } else if (threads == 0) { 940 threads = cpus / (cores * dies * sockets); 941 threads = threads > 0 ? threads : 1; 942 } else if (sockets * dies * cores * threads < cpus) { 943 error_report("cpu topology: " 944 "sockets (%u) * dies (%u) * cores (%u) * threads (%u) < " 945 "smp_cpus (%u)", 946 sockets, dies, cores, threads, cpus); 947 exit(1); 948 } 949 950 ms->smp.max_cpus = 951 qemu_opt_get_number(opts, "maxcpus", cpus); 952 953 if (ms->smp.max_cpus < cpus) { 954 error_report("maxcpus must be equal to or greater than smp"); 955 exit(1); 956 } 957 958 if (sockets * dies * cores * threads > ms->smp.max_cpus) { 959 error_report("cpu topology: " 960 "sockets (%u) * dies (%u) * cores (%u) * threads (%u) > " 961 "maxcpus (%u)", 962 sockets, dies, cores, threads, 963 ms->smp.max_cpus); 964 exit(1); 965 } 966 967 if (sockets * dies * cores * threads != ms->smp.max_cpus) { 968 warn_report("Invalid CPU topology deprecated: " 969 "sockets (%u) * dies (%u) * cores (%u) * threads (%u) " 970 "!= maxcpus (%u)", 971 sockets, dies, cores, threads, 972 ms->smp.max_cpus); 973 } 974 975 ms->smp.cpus = cpus; 976 ms->smp.cores = cores; 977 ms->smp.threads = threads; 978 x86ms->smp_dies = dies; 979 } 980 981 if (ms->smp.cpus > 1) { 982 Error *blocker = NULL; 983 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp"); 984 replay_add_blocker(blocker); 985 } 986 } 987 988 void pc_hot_add_cpu(MachineState *ms, const int64_t id, Error **errp) 989 { 990 X86MachineState *x86ms = X86_MACHINE(ms); 991 int64_t apic_id = x86_cpu_apic_id_from_index(x86ms, id); 992 Error *local_err = NULL; 993 994 if (id < 0) { 995 error_setg(errp, "Invalid CPU id: %" PRIi64, id); 996 return; 997 } 998 999 if (apic_id >= ACPI_CPU_HOTPLUG_ID_LIMIT) { 1000 error_setg(errp, "Unable to add CPU: %" PRIi64 1001 ", resulting APIC ID (%" PRIi64 ") is too large", 1002 id, apic_id); 1003 return; 1004 } 1005 1006 1007 x86_cpu_new(X86_MACHINE(ms), apic_id, &local_err); 1008 if (local_err) { 1009 error_propagate(errp, local_err); 1010 return; 1011 } 1012 } 1013 1014 static void rtc_set_cpus_count(ISADevice *rtc, uint16_t cpus_count) 1015 { 1016 if (cpus_count > 0xff) { 1017 /* If the number of CPUs can't be represented in 8 bits, the 1018 * BIOS must use "FW_CFG_NB_CPUS". Set RTC field to 0 just 1019 * to make old BIOSes fail more predictably. 1020 */ 1021 rtc_set_memory(rtc, 0x5f, 0); 1022 } else { 1023 rtc_set_memory(rtc, 0x5f, cpus_count - 1); 1024 } 1025 } 1026 1027 static 1028 void pc_machine_done(Notifier *notifier, void *data) 1029 { 1030 PCMachineState *pcms = container_of(notifier, 1031 PCMachineState, machine_done); 1032 X86MachineState *x86ms = X86_MACHINE(pcms); 1033 PCIBus *bus = pcms->bus; 1034 1035 /* set the number of CPUs */ 1036 rtc_set_cpus_count(x86ms->rtc, x86ms->boot_cpus); 1037 1038 if (bus) { 1039 int extra_hosts = 0; 1040 1041 QLIST_FOREACH(bus, &bus->child, sibling) { 1042 /* look for expander root buses */ 1043 if (pci_bus_is_root(bus)) { 1044 extra_hosts++; 1045 } 1046 } 1047 if (extra_hosts && x86ms->fw_cfg) { 1048 uint64_t *val = g_malloc(sizeof(*val)); 1049 *val = cpu_to_le64(extra_hosts); 1050 fw_cfg_add_file(x86ms->fw_cfg, 1051 "etc/extra-pci-roots", val, sizeof(*val)); 1052 } 1053 } 1054 1055 acpi_setup(); 1056 if (x86ms->fw_cfg) { 1057 fw_cfg_build_smbios(MACHINE(pcms), x86ms->fw_cfg); 1058 fw_cfg_build_feature_control(MACHINE(pcms), x86ms->fw_cfg); 1059 /* update FW_CFG_NB_CPUS to account for -device added CPUs */ 1060 fw_cfg_modify_i16(x86ms->fw_cfg, FW_CFG_NB_CPUS, x86ms->boot_cpus); 1061 } 1062 1063 if (x86ms->apic_id_limit > 255 && !xen_enabled()) { 1064 IntelIOMMUState *iommu = INTEL_IOMMU_DEVICE(x86_iommu_get_default()); 1065 1066 if (!iommu || !x86_iommu_ir_supported(X86_IOMMU_DEVICE(iommu)) || 1067 iommu->intr_eim != ON_OFF_AUTO_ON) { 1068 error_report("current -smp configuration requires " 1069 "Extended Interrupt Mode enabled. " 1070 "You can add an IOMMU using: " 1071 "-device intel-iommu,intremap=on,eim=on"); 1072 exit(EXIT_FAILURE); 1073 } 1074 } 1075 } 1076 1077 void pc_guest_info_init(PCMachineState *pcms) 1078 { 1079 int i; 1080 MachineState *ms = MACHINE(pcms); 1081 X86MachineState *x86ms = X86_MACHINE(pcms); 1082 1083 x86ms->apic_xrupt_override = kvm_allows_irq0_override(); 1084 pcms->numa_nodes = ms->numa_state->num_nodes; 1085 pcms->node_mem = g_malloc0(pcms->numa_nodes * 1086 sizeof *pcms->node_mem); 1087 for (i = 0; i < ms->numa_state->num_nodes; i++) { 1088 pcms->node_mem[i] = ms->numa_state->nodes[i].node_mem; 1089 } 1090 1091 pcms->machine_done.notify = pc_machine_done; 1092 qemu_add_machine_init_done_notifier(&pcms->machine_done); 1093 } 1094 1095 /* setup pci memory address space mapping into system address space */ 1096 void pc_pci_as_mapping_init(Object *owner, MemoryRegion *system_memory, 1097 MemoryRegion *pci_address_space) 1098 { 1099 /* Set to lower priority than RAM */ 1100 memory_region_add_subregion_overlap(system_memory, 0x0, 1101 pci_address_space, -1); 1102 } 1103 1104 void xen_load_linux(PCMachineState *pcms) 1105 { 1106 int i; 1107 FWCfgState *fw_cfg; 1108 PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms); 1109 X86MachineState *x86ms = X86_MACHINE(pcms); 1110 1111 assert(MACHINE(pcms)->kernel_filename != NULL); 1112 1113 fw_cfg = fw_cfg_init_io(FW_CFG_IO_BASE); 1114 fw_cfg_add_i16(fw_cfg, FW_CFG_NB_CPUS, x86ms->boot_cpus); 1115 rom_set_fw(fw_cfg); 1116 1117 x86_load_linux(x86ms, fw_cfg, pcmc->acpi_data_size, 1118 pcmc->pvh_enabled, pcmc->linuxboot_dma_enabled); 1119 for (i = 0; i < nb_option_roms; i++) { 1120 assert(!strcmp(option_rom[i].name, "linuxboot.bin") || 1121 !strcmp(option_rom[i].name, "linuxboot_dma.bin") || 1122 !strcmp(option_rom[i].name, "pvh.bin") || 1123 !strcmp(option_rom[i].name, "multiboot.bin")); 1124 rom_add_option(option_rom[i].name, option_rom[i].bootindex); 1125 } 1126 x86ms->fw_cfg = fw_cfg; 1127 } 1128 1129 void pc_memory_init(PCMachineState *pcms, 1130 MemoryRegion *system_memory, 1131 MemoryRegion *rom_memory, 1132 MemoryRegion **ram_memory) 1133 { 1134 int linux_boot, i; 1135 MemoryRegion *ram, *option_rom_mr; 1136 MemoryRegion *ram_below_4g, *ram_above_4g; 1137 FWCfgState *fw_cfg; 1138 MachineState *machine = MACHINE(pcms); 1139 MachineClass *mc = MACHINE_GET_CLASS(machine); 1140 PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms); 1141 X86MachineState *x86ms = X86_MACHINE(pcms); 1142 1143 assert(machine->ram_size == x86ms->below_4g_mem_size + 1144 x86ms->above_4g_mem_size); 1145 1146 linux_boot = (machine->kernel_filename != NULL); 1147 1148 /* Allocate RAM. We allocate it as a single memory region and use 1149 * aliases to address portions of it, mostly for backwards compatibility 1150 * with older qemus that used qemu_ram_alloc(). 1151 */ 1152 ram = g_malloc(sizeof(*ram)); 1153 memory_region_allocate_system_memory(ram, NULL, "pc.ram", 1154 machine->ram_size); 1155 *ram_memory = ram; 1156 ram_below_4g = g_malloc(sizeof(*ram_below_4g)); 1157 memory_region_init_alias(ram_below_4g, NULL, "ram-below-4g", ram, 1158 0, x86ms->below_4g_mem_size); 1159 memory_region_add_subregion(system_memory, 0, ram_below_4g); 1160 e820_add_entry(0, x86ms->below_4g_mem_size, E820_RAM); 1161 if (x86ms->above_4g_mem_size > 0) { 1162 ram_above_4g = g_malloc(sizeof(*ram_above_4g)); 1163 memory_region_init_alias(ram_above_4g, NULL, "ram-above-4g", ram, 1164 x86ms->below_4g_mem_size, 1165 x86ms->above_4g_mem_size); 1166 memory_region_add_subregion(system_memory, 0x100000000ULL, 1167 ram_above_4g); 1168 e820_add_entry(0x100000000ULL, x86ms->above_4g_mem_size, E820_RAM); 1169 } 1170 1171 if (!pcmc->has_reserved_memory && 1172 (machine->ram_slots || 1173 (machine->maxram_size > machine->ram_size))) { 1174 1175 error_report("\"-memory 'slots|maxmem'\" is not supported by: %s", 1176 mc->name); 1177 exit(EXIT_FAILURE); 1178 } 1179 1180 /* always allocate the device memory information */ 1181 machine->device_memory = g_malloc0(sizeof(*machine->device_memory)); 1182 1183 /* initialize device memory address space */ 1184 if (pcmc->has_reserved_memory && 1185 (machine->ram_size < machine->maxram_size)) { 1186 ram_addr_t device_mem_size = machine->maxram_size - machine->ram_size; 1187 1188 if (machine->ram_slots > ACPI_MAX_RAM_SLOTS) { 1189 error_report("unsupported amount of memory slots: %"PRIu64, 1190 machine->ram_slots); 1191 exit(EXIT_FAILURE); 1192 } 1193 1194 if (QEMU_ALIGN_UP(machine->maxram_size, 1195 TARGET_PAGE_SIZE) != machine->maxram_size) { 1196 error_report("maximum memory size must by aligned to multiple of " 1197 "%d bytes", TARGET_PAGE_SIZE); 1198 exit(EXIT_FAILURE); 1199 } 1200 1201 machine->device_memory->base = 1202 ROUND_UP(0x100000000ULL + x86ms->above_4g_mem_size, 1 * GiB); 1203 1204 if (pcmc->enforce_aligned_dimm) { 1205 /* size device region assuming 1G page max alignment per slot */ 1206 device_mem_size += (1 * GiB) * machine->ram_slots; 1207 } 1208 1209 if ((machine->device_memory->base + device_mem_size) < 1210 device_mem_size) { 1211 error_report("unsupported amount of maximum memory: " RAM_ADDR_FMT, 1212 machine->maxram_size); 1213 exit(EXIT_FAILURE); 1214 } 1215 1216 memory_region_init(&machine->device_memory->mr, OBJECT(pcms), 1217 "device-memory", device_mem_size); 1218 memory_region_add_subregion(system_memory, machine->device_memory->base, 1219 &machine->device_memory->mr); 1220 } 1221 1222 /* Initialize PC system firmware */ 1223 pc_system_firmware_init(pcms, rom_memory); 1224 1225 option_rom_mr = g_malloc(sizeof(*option_rom_mr)); 1226 memory_region_init_ram(option_rom_mr, NULL, "pc.rom", PC_ROM_SIZE, 1227 &error_fatal); 1228 if (pcmc->pci_enabled) { 1229 memory_region_set_readonly(option_rom_mr, true); 1230 } 1231 memory_region_add_subregion_overlap(rom_memory, 1232 PC_ROM_MIN_VGA, 1233 option_rom_mr, 1234 1); 1235 1236 fw_cfg = fw_cfg_arch_create(machine, 1237 x86ms->boot_cpus, x86ms->apic_id_limit); 1238 1239 rom_set_fw(fw_cfg); 1240 1241 if (pcmc->has_reserved_memory && machine->device_memory->base) { 1242 uint64_t *val = g_malloc(sizeof(*val)); 1243 PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms); 1244 uint64_t res_mem_end = machine->device_memory->base; 1245 1246 if (!pcmc->broken_reserved_end) { 1247 res_mem_end += memory_region_size(&machine->device_memory->mr); 1248 } 1249 *val = cpu_to_le64(ROUND_UP(res_mem_end, 1 * GiB)); 1250 fw_cfg_add_file(fw_cfg, "etc/reserved-memory-end", val, sizeof(*val)); 1251 } 1252 1253 if (linux_boot) { 1254 x86_load_linux(x86ms, fw_cfg, pcmc->acpi_data_size, 1255 pcmc->pvh_enabled, pcmc->linuxboot_dma_enabled); 1256 } 1257 1258 for (i = 0; i < nb_option_roms; i++) { 1259 rom_add_option(option_rom[i].name, option_rom[i].bootindex); 1260 } 1261 x86ms->fw_cfg = fw_cfg; 1262 1263 /* Init default IOAPIC address space */ 1264 x86ms->ioapic_as = &address_space_memory; 1265 1266 /* Init ACPI memory hotplug IO base address */ 1267 pcms->memhp_io_base = ACPI_MEMORY_HOTPLUG_BASE; 1268 } 1269 1270 /* 1271 * The 64bit pci hole starts after "above 4G RAM" and 1272 * potentially the space reserved for memory hotplug. 1273 */ 1274 uint64_t pc_pci_hole64_start(void) 1275 { 1276 PCMachineState *pcms = PC_MACHINE(qdev_get_machine()); 1277 PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms); 1278 MachineState *ms = MACHINE(pcms); 1279 X86MachineState *x86ms = X86_MACHINE(pcms); 1280 uint64_t hole64_start = 0; 1281 1282 if (pcmc->has_reserved_memory && ms->device_memory->base) { 1283 hole64_start = ms->device_memory->base; 1284 if (!pcmc->broken_reserved_end) { 1285 hole64_start += memory_region_size(&ms->device_memory->mr); 1286 } 1287 } else { 1288 hole64_start = 0x100000000ULL + x86ms->above_4g_mem_size; 1289 } 1290 1291 return ROUND_UP(hole64_start, 1 * GiB); 1292 } 1293 1294 qemu_irq pc_allocate_cpu_irq(void) 1295 { 1296 return qemu_allocate_irq(pic_irq_request, NULL, 0); 1297 } 1298 1299 DeviceState *pc_vga_init(ISABus *isa_bus, PCIBus *pci_bus) 1300 { 1301 DeviceState *dev = NULL; 1302 1303 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_VGA); 1304 if (pci_bus) { 1305 PCIDevice *pcidev = pci_vga_init(pci_bus); 1306 dev = pcidev ? &pcidev->qdev : NULL; 1307 } else if (isa_bus) { 1308 ISADevice *isadev = isa_vga_init(isa_bus); 1309 dev = isadev ? DEVICE(isadev) : NULL; 1310 } 1311 rom_reset_order_override(); 1312 return dev; 1313 } 1314 1315 static const MemoryRegionOps ioport80_io_ops = { 1316 .write = ioport80_write, 1317 .read = ioport80_read, 1318 .endianness = DEVICE_NATIVE_ENDIAN, 1319 .impl = { 1320 .min_access_size = 1, 1321 .max_access_size = 1, 1322 }, 1323 }; 1324 1325 static const MemoryRegionOps ioportF0_io_ops = { 1326 .write = ioportF0_write, 1327 .read = ioportF0_read, 1328 .endianness = DEVICE_NATIVE_ENDIAN, 1329 .impl = { 1330 .min_access_size = 1, 1331 .max_access_size = 1, 1332 }, 1333 }; 1334 1335 static void pc_superio_init(ISABus *isa_bus, bool create_fdctrl, bool no_vmport) 1336 { 1337 int i; 1338 DriveInfo *fd[MAX_FD]; 1339 qemu_irq *a20_line; 1340 ISADevice *i8042, *port92, *vmmouse; 1341 1342 serial_hds_isa_init(isa_bus, 0, MAX_ISA_SERIAL_PORTS); 1343 parallel_hds_isa_init(isa_bus, MAX_PARALLEL_PORTS); 1344 1345 for (i = 0; i < MAX_FD; i++) { 1346 fd[i] = drive_get(IF_FLOPPY, 0, i); 1347 create_fdctrl |= !!fd[i]; 1348 } 1349 if (create_fdctrl) { 1350 fdctrl_init_isa(isa_bus, fd); 1351 } 1352 1353 i8042 = isa_create_simple(isa_bus, "i8042"); 1354 if (!no_vmport) { 1355 vmport_init(isa_bus); 1356 vmmouse = isa_try_create(isa_bus, "vmmouse"); 1357 } else { 1358 vmmouse = NULL; 1359 } 1360 if (vmmouse) { 1361 DeviceState *dev = DEVICE(vmmouse); 1362 qdev_prop_set_ptr(dev, "ps2_mouse", i8042); 1363 qdev_init_nofail(dev); 1364 } 1365 port92 = isa_create_simple(isa_bus, "port92"); 1366 1367 a20_line = qemu_allocate_irqs(handle_a20_line_change, first_cpu, 2); 1368 i8042_setup_a20_line(i8042, a20_line[0]); 1369 port92_init(port92, a20_line[1]); 1370 g_free(a20_line); 1371 } 1372 1373 void pc_basic_device_init(ISABus *isa_bus, qemu_irq *gsi, 1374 ISADevice **rtc_state, 1375 bool create_fdctrl, 1376 bool no_vmport, 1377 bool has_pit, 1378 uint32_t hpet_irqs) 1379 { 1380 int i; 1381 DeviceState *hpet = NULL; 1382 int pit_isa_irq = 0; 1383 qemu_irq pit_alt_irq = NULL; 1384 qemu_irq rtc_irq = NULL; 1385 ISADevice *pit = NULL; 1386 MemoryRegion *ioport80_io = g_new(MemoryRegion, 1); 1387 MemoryRegion *ioportF0_io = g_new(MemoryRegion, 1); 1388 1389 memory_region_init_io(ioport80_io, NULL, &ioport80_io_ops, NULL, "ioport80", 1); 1390 memory_region_add_subregion(isa_bus->address_space_io, 0x80, ioport80_io); 1391 1392 memory_region_init_io(ioportF0_io, NULL, &ioportF0_io_ops, NULL, "ioportF0", 1); 1393 memory_region_add_subregion(isa_bus->address_space_io, 0xf0, ioportF0_io); 1394 1395 /* 1396 * Check if an HPET shall be created. 1397 * 1398 * Without KVM_CAP_PIT_STATE2, we cannot switch off the in-kernel PIT 1399 * when the HPET wants to take over. Thus we have to disable the latter. 1400 */ 1401 if (!no_hpet && (!kvm_irqchip_in_kernel() || kvm_has_pit_state2())) { 1402 /* In order to set property, here not using sysbus_try_create_simple */ 1403 hpet = qdev_try_create(NULL, TYPE_HPET); 1404 if (hpet) { 1405 /* For pc-piix-*, hpet's intcap is always IRQ2. For pc-q35-1.7 1406 * and earlier, use IRQ2 for compat. Otherwise, use IRQ16~23, 1407 * IRQ8 and IRQ2. 1408 */ 1409 uint8_t compat = object_property_get_uint(OBJECT(hpet), 1410 HPET_INTCAP, NULL); 1411 if (!compat) { 1412 qdev_prop_set_uint32(hpet, HPET_INTCAP, hpet_irqs); 1413 } 1414 qdev_init_nofail(hpet); 1415 sysbus_mmio_map(SYS_BUS_DEVICE(hpet), 0, HPET_BASE); 1416 1417 for (i = 0; i < GSI_NUM_PINS; i++) { 1418 sysbus_connect_irq(SYS_BUS_DEVICE(hpet), i, gsi[i]); 1419 } 1420 pit_isa_irq = -1; 1421 pit_alt_irq = qdev_get_gpio_in(hpet, HPET_LEGACY_PIT_INT); 1422 rtc_irq = qdev_get_gpio_in(hpet, HPET_LEGACY_RTC_INT); 1423 } 1424 } 1425 *rtc_state = mc146818_rtc_init(isa_bus, 2000, rtc_irq); 1426 1427 qemu_register_boot_set(pc_boot_set, *rtc_state); 1428 1429 if (!xen_enabled() && has_pit) { 1430 if (kvm_pit_in_kernel()) { 1431 pit = kvm_pit_init(isa_bus, 0x40); 1432 } else { 1433 pit = i8254_pit_init(isa_bus, 0x40, pit_isa_irq, pit_alt_irq); 1434 } 1435 if (hpet) { 1436 /* connect PIT to output control line of the HPET */ 1437 qdev_connect_gpio_out(hpet, 0, qdev_get_gpio_in(DEVICE(pit), 0)); 1438 } 1439 pcspk_init(isa_bus, pit); 1440 } 1441 1442 i8257_dma_init(isa_bus, 0); 1443 1444 /* Super I/O */ 1445 pc_superio_init(isa_bus, create_fdctrl, no_vmport); 1446 } 1447 1448 void pc_nic_init(PCMachineClass *pcmc, ISABus *isa_bus, PCIBus *pci_bus) 1449 { 1450 int i; 1451 1452 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_NIC); 1453 for (i = 0; i < nb_nics; i++) { 1454 NICInfo *nd = &nd_table[i]; 1455 const char *model = nd->model ? nd->model : pcmc->default_nic_model; 1456 1457 if (g_str_equal(model, "ne2k_isa")) { 1458 pc_init_ne2k_isa(isa_bus, nd); 1459 } else { 1460 pci_nic_init_nofail(nd, pci_bus, model, NULL); 1461 } 1462 } 1463 rom_reset_order_override(); 1464 } 1465 1466 void pc_i8259_create(ISABus *isa_bus, qemu_irq *i8259_irqs) 1467 { 1468 qemu_irq *i8259; 1469 1470 if (kvm_pic_in_kernel()) { 1471 i8259 = kvm_i8259_init(isa_bus); 1472 } else if (xen_enabled()) { 1473 i8259 = xen_interrupt_controller_init(); 1474 } else { 1475 i8259 = i8259_init(isa_bus, pc_allocate_cpu_irq()); 1476 } 1477 1478 for (size_t i = 0; i < ISA_NUM_IRQS; i++) { 1479 i8259_irqs[i] = i8259[i]; 1480 } 1481 1482 g_free(i8259); 1483 } 1484 1485 void ioapic_init_gsi(GSIState *gsi_state, const char *parent_name) 1486 { 1487 DeviceState *dev; 1488 SysBusDevice *d; 1489 unsigned int i; 1490 1491 if (kvm_ioapic_in_kernel()) { 1492 dev = qdev_create(NULL, TYPE_KVM_IOAPIC); 1493 } else { 1494 dev = qdev_create(NULL, TYPE_IOAPIC); 1495 } 1496 if (parent_name) { 1497 object_property_add_child(object_resolve_path(parent_name, NULL), 1498 "ioapic", OBJECT(dev), NULL); 1499 } 1500 qdev_init_nofail(dev); 1501 d = SYS_BUS_DEVICE(dev); 1502 sysbus_mmio_map(d, 0, IO_APIC_DEFAULT_ADDRESS); 1503 1504 for (i = 0; i < IOAPIC_NUM_PINS; i++) { 1505 gsi_state->ioapic_irq[i] = qdev_get_gpio_in(dev, i); 1506 } 1507 } 1508 1509 static void pc_memory_pre_plug(HotplugHandler *hotplug_dev, DeviceState *dev, 1510 Error **errp) 1511 { 1512 const PCMachineState *pcms = PC_MACHINE(hotplug_dev); 1513 const PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms); 1514 const MachineState *ms = MACHINE(hotplug_dev); 1515 const bool is_nvdimm = object_dynamic_cast(OBJECT(dev), TYPE_NVDIMM); 1516 const uint64_t legacy_align = TARGET_PAGE_SIZE; 1517 Error *local_err = NULL; 1518 1519 /* 1520 * When -no-acpi is used with Q35 machine type, no ACPI is built, 1521 * but pcms->acpi_dev is still created. Check !acpi_enabled in 1522 * addition to cover this case. 1523 */ 1524 if (!pcms->acpi_dev || !acpi_enabled) { 1525 error_setg(errp, 1526 "memory hotplug is not enabled: missing acpi device or acpi disabled"); 1527 return; 1528 } 1529 1530 if (is_nvdimm && !ms->nvdimms_state->is_enabled) { 1531 error_setg(errp, "nvdimm is not enabled: missing 'nvdimm' in '-M'"); 1532 return; 1533 } 1534 1535 hotplug_handler_pre_plug(pcms->acpi_dev, dev, &local_err); 1536 if (local_err) { 1537 error_propagate(errp, local_err); 1538 return; 1539 } 1540 1541 pc_dimm_pre_plug(PC_DIMM(dev), MACHINE(hotplug_dev), 1542 pcmc->enforce_aligned_dimm ? NULL : &legacy_align, errp); 1543 } 1544 1545 static void pc_memory_plug(HotplugHandler *hotplug_dev, 1546 DeviceState *dev, Error **errp) 1547 { 1548 Error *local_err = NULL; 1549 PCMachineState *pcms = PC_MACHINE(hotplug_dev); 1550 MachineState *ms = MACHINE(hotplug_dev); 1551 bool is_nvdimm = object_dynamic_cast(OBJECT(dev), TYPE_NVDIMM); 1552 1553 pc_dimm_plug(PC_DIMM(dev), MACHINE(pcms), &local_err); 1554 if (local_err) { 1555 goto out; 1556 } 1557 1558 if (is_nvdimm) { 1559 nvdimm_plug(ms->nvdimms_state); 1560 } 1561 1562 hotplug_handler_plug(HOTPLUG_HANDLER(pcms->acpi_dev), dev, &error_abort); 1563 out: 1564 error_propagate(errp, local_err); 1565 } 1566 1567 static void pc_memory_unplug_request(HotplugHandler *hotplug_dev, 1568 DeviceState *dev, Error **errp) 1569 { 1570 Error *local_err = NULL; 1571 PCMachineState *pcms = PC_MACHINE(hotplug_dev); 1572 1573 /* 1574 * When -no-acpi is used with Q35 machine type, no ACPI is built, 1575 * but pcms->acpi_dev is still created. Check !acpi_enabled in 1576 * addition to cover this case. 1577 */ 1578 if (!pcms->acpi_dev || !acpi_enabled) { 1579 error_setg(&local_err, 1580 "memory hotplug is not enabled: missing acpi device or acpi disabled"); 1581 goto out; 1582 } 1583 1584 if (object_dynamic_cast(OBJECT(dev), TYPE_NVDIMM)) { 1585 error_setg(&local_err, 1586 "nvdimm device hot unplug is not supported yet."); 1587 goto out; 1588 } 1589 1590 hotplug_handler_unplug_request(HOTPLUG_HANDLER(pcms->acpi_dev), dev, 1591 &local_err); 1592 out: 1593 error_propagate(errp, local_err); 1594 } 1595 1596 static void pc_memory_unplug(HotplugHandler *hotplug_dev, 1597 DeviceState *dev, Error **errp) 1598 { 1599 PCMachineState *pcms = PC_MACHINE(hotplug_dev); 1600 Error *local_err = NULL; 1601 1602 hotplug_handler_unplug(HOTPLUG_HANDLER(pcms->acpi_dev), dev, &local_err); 1603 if (local_err) { 1604 goto out; 1605 } 1606 1607 pc_dimm_unplug(PC_DIMM(dev), MACHINE(pcms)); 1608 object_property_set_bool(OBJECT(dev), false, "realized", NULL); 1609 out: 1610 error_propagate(errp, local_err); 1611 } 1612 1613 static int pc_apic_cmp(const void *a, const void *b) 1614 { 1615 CPUArchId *apic_a = (CPUArchId *)a; 1616 CPUArchId *apic_b = (CPUArchId *)b; 1617 1618 return apic_a->arch_id - apic_b->arch_id; 1619 } 1620 1621 /* returns pointer to CPUArchId descriptor that matches CPU's apic_id 1622 * in ms->possible_cpus->cpus, if ms->possible_cpus->cpus has no 1623 * entry corresponding to CPU's apic_id returns NULL. 1624 */ 1625 static CPUArchId *pc_find_cpu_slot(MachineState *ms, uint32_t id, int *idx) 1626 { 1627 CPUArchId apic_id, *found_cpu; 1628 1629 apic_id.arch_id = id; 1630 found_cpu = bsearch(&apic_id, ms->possible_cpus->cpus, 1631 ms->possible_cpus->len, sizeof(*ms->possible_cpus->cpus), 1632 pc_apic_cmp); 1633 if (found_cpu && idx) { 1634 *idx = found_cpu - ms->possible_cpus->cpus; 1635 } 1636 return found_cpu; 1637 } 1638 1639 static void pc_cpu_plug(HotplugHandler *hotplug_dev, 1640 DeviceState *dev, Error **errp) 1641 { 1642 CPUArchId *found_cpu; 1643 Error *local_err = NULL; 1644 X86CPU *cpu = X86_CPU(dev); 1645 PCMachineState *pcms = PC_MACHINE(hotplug_dev); 1646 X86MachineState *x86ms = X86_MACHINE(pcms); 1647 1648 if (pcms->acpi_dev) { 1649 hotplug_handler_plug(HOTPLUG_HANDLER(pcms->acpi_dev), dev, &local_err); 1650 if (local_err) { 1651 goto out; 1652 } 1653 } 1654 1655 /* increment the number of CPUs */ 1656 x86ms->boot_cpus++; 1657 if (x86ms->rtc) { 1658 rtc_set_cpus_count(x86ms->rtc, x86ms->boot_cpus); 1659 } 1660 if (x86ms->fw_cfg) { 1661 fw_cfg_modify_i16(x86ms->fw_cfg, FW_CFG_NB_CPUS, x86ms->boot_cpus); 1662 } 1663 1664 found_cpu = pc_find_cpu_slot(MACHINE(pcms), cpu->apic_id, NULL); 1665 found_cpu->cpu = OBJECT(dev); 1666 out: 1667 error_propagate(errp, local_err); 1668 } 1669 static void pc_cpu_unplug_request_cb(HotplugHandler *hotplug_dev, 1670 DeviceState *dev, Error **errp) 1671 { 1672 int idx = -1; 1673 Error *local_err = NULL; 1674 X86CPU *cpu = X86_CPU(dev); 1675 PCMachineState *pcms = PC_MACHINE(hotplug_dev); 1676 1677 if (!pcms->acpi_dev) { 1678 error_setg(&local_err, "CPU hot unplug not supported without ACPI"); 1679 goto out; 1680 } 1681 1682 pc_find_cpu_slot(MACHINE(pcms), cpu->apic_id, &idx); 1683 assert(idx != -1); 1684 if (idx == 0) { 1685 error_setg(&local_err, "Boot CPU is unpluggable"); 1686 goto out; 1687 } 1688 1689 hotplug_handler_unplug_request(HOTPLUG_HANDLER(pcms->acpi_dev), dev, 1690 &local_err); 1691 if (local_err) { 1692 goto out; 1693 } 1694 1695 out: 1696 error_propagate(errp, local_err); 1697 1698 } 1699 1700 static void pc_cpu_unplug_cb(HotplugHandler *hotplug_dev, 1701 DeviceState *dev, Error **errp) 1702 { 1703 CPUArchId *found_cpu; 1704 Error *local_err = NULL; 1705 X86CPU *cpu = X86_CPU(dev); 1706 PCMachineState *pcms = PC_MACHINE(hotplug_dev); 1707 X86MachineState *x86ms = X86_MACHINE(pcms); 1708 1709 hotplug_handler_unplug(HOTPLUG_HANDLER(pcms->acpi_dev), dev, &local_err); 1710 if (local_err) { 1711 goto out; 1712 } 1713 1714 found_cpu = pc_find_cpu_slot(MACHINE(pcms), cpu->apic_id, NULL); 1715 found_cpu->cpu = NULL; 1716 object_property_set_bool(OBJECT(dev), false, "realized", NULL); 1717 1718 /* decrement the number of CPUs */ 1719 x86ms->boot_cpus--; 1720 /* Update the number of CPUs in CMOS */ 1721 rtc_set_cpus_count(x86ms->rtc, x86ms->boot_cpus); 1722 fw_cfg_modify_i16(x86ms->fw_cfg, FW_CFG_NB_CPUS, x86ms->boot_cpus); 1723 out: 1724 error_propagate(errp, local_err); 1725 } 1726 1727 static void pc_cpu_pre_plug(HotplugHandler *hotplug_dev, 1728 DeviceState *dev, Error **errp) 1729 { 1730 int idx; 1731 CPUState *cs; 1732 CPUArchId *cpu_slot; 1733 X86CPUTopoInfo topo; 1734 X86CPU *cpu = X86_CPU(dev); 1735 CPUX86State *env = &cpu->env; 1736 MachineState *ms = MACHINE(hotplug_dev); 1737 PCMachineState *pcms = PC_MACHINE(hotplug_dev); 1738 X86MachineState *x86ms = X86_MACHINE(pcms); 1739 unsigned int smp_cores = ms->smp.cores; 1740 unsigned int smp_threads = ms->smp.threads; 1741 1742 if(!object_dynamic_cast(OBJECT(cpu), ms->cpu_type)) { 1743 error_setg(errp, "Invalid CPU type, expected cpu type: '%s'", 1744 ms->cpu_type); 1745 return; 1746 } 1747 1748 env->nr_dies = x86ms->smp_dies; 1749 1750 /* 1751 * If APIC ID is not set, 1752 * set it based on socket/die/core/thread properties. 1753 */ 1754 if (cpu->apic_id == UNASSIGNED_APIC_ID) { 1755 int max_socket = (ms->smp.max_cpus - 1) / 1756 smp_threads / smp_cores / x86ms->smp_dies; 1757 1758 /* 1759 * die-id was optional in QEMU 4.0 and older, so keep it optional 1760 * if there's only one die per socket. 1761 */ 1762 if (cpu->die_id < 0 && x86ms->smp_dies == 1) { 1763 cpu->die_id = 0; 1764 } 1765 1766 if (cpu->socket_id < 0) { 1767 error_setg(errp, "CPU socket-id is not set"); 1768 return; 1769 } else if (cpu->socket_id > max_socket) { 1770 error_setg(errp, "Invalid CPU socket-id: %u must be in range 0:%u", 1771 cpu->socket_id, max_socket); 1772 return; 1773 } 1774 if (cpu->die_id < 0) { 1775 error_setg(errp, "CPU die-id is not set"); 1776 return; 1777 } else if (cpu->die_id > x86ms->smp_dies - 1) { 1778 error_setg(errp, "Invalid CPU die-id: %u must be in range 0:%u", 1779 cpu->die_id, x86ms->smp_dies - 1); 1780 return; 1781 } 1782 if (cpu->core_id < 0) { 1783 error_setg(errp, "CPU core-id is not set"); 1784 return; 1785 } else if (cpu->core_id > (smp_cores - 1)) { 1786 error_setg(errp, "Invalid CPU core-id: %u must be in range 0:%u", 1787 cpu->core_id, smp_cores - 1); 1788 return; 1789 } 1790 if (cpu->thread_id < 0) { 1791 error_setg(errp, "CPU thread-id is not set"); 1792 return; 1793 } else if (cpu->thread_id > (smp_threads - 1)) { 1794 error_setg(errp, "Invalid CPU thread-id: %u must be in range 0:%u", 1795 cpu->thread_id, smp_threads - 1); 1796 return; 1797 } 1798 1799 topo.pkg_id = cpu->socket_id; 1800 topo.die_id = cpu->die_id; 1801 topo.core_id = cpu->core_id; 1802 topo.smt_id = cpu->thread_id; 1803 cpu->apic_id = apicid_from_topo_ids(x86ms->smp_dies, smp_cores, 1804 smp_threads, &topo); 1805 } 1806 1807 cpu_slot = pc_find_cpu_slot(MACHINE(pcms), cpu->apic_id, &idx); 1808 if (!cpu_slot) { 1809 MachineState *ms = MACHINE(pcms); 1810 1811 x86_topo_ids_from_apicid(cpu->apic_id, x86ms->smp_dies, 1812 smp_cores, smp_threads, &topo); 1813 error_setg(errp, 1814 "Invalid CPU [socket: %u, die: %u, core: %u, thread: %u] with" 1815 " APIC ID %" PRIu32 ", valid index range 0:%d", 1816 topo.pkg_id, topo.die_id, topo.core_id, topo.smt_id, 1817 cpu->apic_id, ms->possible_cpus->len - 1); 1818 return; 1819 } 1820 1821 if (cpu_slot->cpu) { 1822 error_setg(errp, "CPU[%d] with APIC ID %" PRIu32 " exists", 1823 idx, cpu->apic_id); 1824 return; 1825 } 1826 1827 /* if 'address' properties socket-id/core-id/thread-id are not set, set them 1828 * so that machine_query_hotpluggable_cpus would show correct values 1829 */ 1830 /* TODO: move socket_id/core_id/thread_id checks into x86_cpu_realizefn() 1831 * once -smp refactoring is complete and there will be CPU private 1832 * CPUState::nr_cores and CPUState::nr_threads fields instead of globals */ 1833 x86_topo_ids_from_apicid(cpu->apic_id, x86ms->smp_dies, 1834 smp_cores, smp_threads, &topo); 1835 if (cpu->socket_id != -1 && cpu->socket_id != topo.pkg_id) { 1836 error_setg(errp, "property socket-id: %u doesn't match set apic-id:" 1837 " 0x%x (socket-id: %u)", cpu->socket_id, cpu->apic_id, topo.pkg_id); 1838 return; 1839 } 1840 cpu->socket_id = topo.pkg_id; 1841 1842 if (cpu->die_id != -1 && cpu->die_id != topo.die_id) { 1843 error_setg(errp, "property die-id: %u doesn't match set apic-id:" 1844 " 0x%x (die-id: %u)", cpu->die_id, cpu->apic_id, topo.die_id); 1845 return; 1846 } 1847 cpu->die_id = topo.die_id; 1848 1849 if (cpu->core_id != -1 && cpu->core_id != topo.core_id) { 1850 error_setg(errp, "property core-id: %u doesn't match set apic-id:" 1851 " 0x%x (core-id: %u)", cpu->core_id, cpu->apic_id, topo.core_id); 1852 return; 1853 } 1854 cpu->core_id = topo.core_id; 1855 1856 if (cpu->thread_id != -1 && cpu->thread_id != topo.smt_id) { 1857 error_setg(errp, "property thread-id: %u doesn't match set apic-id:" 1858 " 0x%x (thread-id: %u)", cpu->thread_id, cpu->apic_id, topo.smt_id); 1859 return; 1860 } 1861 cpu->thread_id = topo.smt_id; 1862 1863 if (hyperv_feat_enabled(cpu, HYPERV_FEAT_VPINDEX) && 1864 !kvm_hv_vpindex_settable()) { 1865 error_setg(errp, "kernel doesn't allow setting HyperV VP_INDEX"); 1866 return; 1867 } 1868 1869 cs = CPU(cpu); 1870 cs->cpu_index = idx; 1871 1872 numa_cpu_pre_plug(cpu_slot, dev, errp); 1873 } 1874 1875 static void pc_virtio_pmem_pci_pre_plug(HotplugHandler *hotplug_dev, 1876 DeviceState *dev, Error **errp) 1877 { 1878 HotplugHandler *hotplug_dev2 = qdev_get_bus_hotplug_handler(dev); 1879 Error *local_err = NULL; 1880 1881 if (!hotplug_dev2) { 1882 /* 1883 * Without a bus hotplug handler, we cannot control the plug/unplug 1884 * order. This should never be the case on x86, however better add 1885 * a safety net. 1886 */ 1887 error_setg(errp, "virtio-pmem-pci not supported on this bus."); 1888 return; 1889 } 1890 /* 1891 * First, see if we can plug this memory device at all. If that 1892 * succeeds, branch of to the actual hotplug handler. 1893 */ 1894 memory_device_pre_plug(MEMORY_DEVICE(dev), MACHINE(hotplug_dev), NULL, 1895 &local_err); 1896 if (!local_err) { 1897 hotplug_handler_pre_plug(hotplug_dev2, dev, &local_err); 1898 } 1899 error_propagate(errp, local_err); 1900 } 1901 1902 static void pc_virtio_pmem_pci_plug(HotplugHandler *hotplug_dev, 1903 DeviceState *dev, Error **errp) 1904 { 1905 HotplugHandler *hotplug_dev2 = qdev_get_bus_hotplug_handler(dev); 1906 Error *local_err = NULL; 1907 1908 /* 1909 * Plug the memory device first and then branch off to the actual 1910 * hotplug handler. If that one fails, we can easily undo the memory 1911 * device bits. 1912 */ 1913 memory_device_plug(MEMORY_DEVICE(dev), MACHINE(hotplug_dev)); 1914 hotplug_handler_plug(hotplug_dev2, dev, &local_err); 1915 if (local_err) { 1916 memory_device_unplug(MEMORY_DEVICE(dev), MACHINE(hotplug_dev)); 1917 } 1918 error_propagate(errp, local_err); 1919 } 1920 1921 static void pc_virtio_pmem_pci_unplug_request(HotplugHandler *hotplug_dev, 1922 DeviceState *dev, Error **errp) 1923 { 1924 /* We don't support virtio pmem hot unplug */ 1925 error_setg(errp, "virtio pmem device unplug not supported."); 1926 } 1927 1928 static void pc_virtio_pmem_pci_unplug(HotplugHandler *hotplug_dev, 1929 DeviceState *dev, Error **errp) 1930 { 1931 /* We don't support virtio pmem hot unplug */ 1932 } 1933 1934 static void pc_machine_device_pre_plug_cb(HotplugHandler *hotplug_dev, 1935 DeviceState *dev, Error **errp) 1936 { 1937 if (object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM)) { 1938 pc_memory_pre_plug(hotplug_dev, dev, errp); 1939 } else if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) { 1940 pc_cpu_pre_plug(hotplug_dev, dev, errp); 1941 } else if (object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_PMEM_PCI)) { 1942 pc_virtio_pmem_pci_pre_plug(hotplug_dev, dev, errp); 1943 } 1944 } 1945 1946 static void pc_machine_device_plug_cb(HotplugHandler *hotplug_dev, 1947 DeviceState *dev, Error **errp) 1948 { 1949 if (object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM)) { 1950 pc_memory_plug(hotplug_dev, dev, errp); 1951 } else if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) { 1952 pc_cpu_plug(hotplug_dev, dev, errp); 1953 } else if (object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_PMEM_PCI)) { 1954 pc_virtio_pmem_pci_plug(hotplug_dev, dev, errp); 1955 } 1956 } 1957 1958 static void pc_machine_device_unplug_request_cb(HotplugHandler *hotplug_dev, 1959 DeviceState *dev, Error **errp) 1960 { 1961 if (object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM)) { 1962 pc_memory_unplug_request(hotplug_dev, dev, errp); 1963 } else if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) { 1964 pc_cpu_unplug_request_cb(hotplug_dev, dev, errp); 1965 } else if (object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_PMEM_PCI)) { 1966 pc_virtio_pmem_pci_unplug_request(hotplug_dev, dev, errp); 1967 } else { 1968 error_setg(errp, "acpi: device unplug request for not supported device" 1969 " type: %s", object_get_typename(OBJECT(dev))); 1970 } 1971 } 1972 1973 static void pc_machine_device_unplug_cb(HotplugHandler *hotplug_dev, 1974 DeviceState *dev, Error **errp) 1975 { 1976 if (object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM)) { 1977 pc_memory_unplug(hotplug_dev, dev, errp); 1978 } else if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) { 1979 pc_cpu_unplug_cb(hotplug_dev, dev, errp); 1980 } else if (object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_PMEM_PCI)) { 1981 pc_virtio_pmem_pci_unplug(hotplug_dev, dev, errp); 1982 } else { 1983 error_setg(errp, "acpi: device unplug for not supported device" 1984 " type: %s", object_get_typename(OBJECT(dev))); 1985 } 1986 } 1987 1988 static HotplugHandler *pc_get_hotplug_handler(MachineState *machine, 1989 DeviceState *dev) 1990 { 1991 if (object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM) || 1992 object_dynamic_cast(OBJECT(dev), TYPE_CPU) || 1993 object_dynamic_cast(OBJECT(dev), TYPE_VIRTIO_PMEM_PCI)) { 1994 return HOTPLUG_HANDLER(machine); 1995 } 1996 1997 return NULL; 1998 } 1999 2000 static void 2001 pc_machine_get_device_memory_region_size(Object *obj, Visitor *v, 2002 const char *name, void *opaque, 2003 Error **errp) 2004 { 2005 MachineState *ms = MACHINE(obj); 2006 int64_t value = 0; 2007 2008 if (ms->device_memory) { 2009 value = memory_region_size(&ms->device_memory->mr); 2010 } 2011 2012 visit_type_int(v, name, &value, errp); 2013 } 2014 2015 static void pc_machine_get_vmport(Object *obj, Visitor *v, const char *name, 2016 void *opaque, Error **errp) 2017 { 2018 PCMachineState *pcms = PC_MACHINE(obj); 2019 OnOffAuto vmport = pcms->vmport; 2020 2021 visit_type_OnOffAuto(v, name, &vmport, errp); 2022 } 2023 2024 static void pc_machine_set_vmport(Object *obj, Visitor *v, const char *name, 2025 void *opaque, Error **errp) 2026 { 2027 PCMachineState *pcms = PC_MACHINE(obj); 2028 2029 visit_type_OnOffAuto(v, name, &pcms->vmport, errp); 2030 } 2031 2032 bool pc_machine_is_smm_enabled(PCMachineState *pcms) 2033 { 2034 bool smm_available = false; 2035 2036 if (pcms->smm == ON_OFF_AUTO_OFF) { 2037 return false; 2038 } 2039 2040 if (tcg_enabled() || qtest_enabled()) { 2041 smm_available = true; 2042 } else if (kvm_enabled()) { 2043 smm_available = kvm_has_smm(); 2044 } 2045 2046 if (smm_available) { 2047 return true; 2048 } 2049 2050 if (pcms->smm == ON_OFF_AUTO_ON) { 2051 error_report("System Management Mode not supported by this hypervisor."); 2052 exit(1); 2053 } 2054 return false; 2055 } 2056 2057 static void pc_machine_get_smm(Object *obj, Visitor *v, const char *name, 2058 void *opaque, Error **errp) 2059 { 2060 PCMachineState *pcms = PC_MACHINE(obj); 2061 OnOffAuto smm = pcms->smm; 2062 2063 visit_type_OnOffAuto(v, name, &smm, errp); 2064 } 2065 2066 static void pc_machine_set_smm(Object *obj, Visitor *v, const char *name, 2067 void *opaque, Error **errp) 2068 { 2069 PCMachineState *pcms = PC_MACHINE(obj); 2070 2071 visit_type_OnOffAuto(v, name, &pcms->smm, errp); 2072 } 2073 2074 static bool pc_machine_get_smbus(Object *obj, Error **errp) 2075 { 2076 PCMachineState *pcms = PC_MACHINE(obj); 2077 2078 return pcms->smbus_enabled; 2079 } 2080 2081 static void pc_machine_set_smbus(Object *obj, bool value, Error **errp) 2082 { 2083 PCMachineState *pcms = PC_MACHINE(obj); 2084 2085 pcms->smbus_enabled = value; 2086 } 2087 2088 static bool pc_machine_get_sata(Object *obj, Error **errp) 2089 { 2090 PCMachineState *pcms = PC_MACHINE(obj); 2091 2092 return pcms->sata_enabled; 2093 } 2094 2095 static void pc_machine_set_sata(Object *obj, bool value, Error **errp) 2096 { 2097 PCMachineState *pcms = PC_MACHINE(obj); 2098 2099 pcms->sata_enabled = value; 2100 } 2101 2102 static bool pc_machine_get_pit(Object *obj, Error **errp) 2103 { 2104 PCMachineState *pcms = PC_MACHINE(obj); 2105 2106 return pcms->pit_enabled; 2107 } 2108 2109 static void pc_machine_set_pit(Object *obj, bool value, Error **errp) 2110 { 2111 PCMachineState *pcms = PC_MACHINE(obj); 2112 2113 pcms->pit_enabled = value; 2114 } 2115 2116 static void pc_machine_initfn(Object *obj) 2117 { 2118 PCMachineState *pcms = PC_MACHINE(obj); 2119 2120 pcms->smm = ON_OFF_AUTO_AUTO; 2121 #ifdef CONFIG_VMPORT 2122 pcms->vmport = ON_OFF_AUTO_AUTO; 2123 #else 2124 pcms->vmport = ON_OFF_AUTO_OFF; 2125 #endif /* CONFIG_VMPORT */ 2126 /* acpi build is enabled by default if machine supports it */ 2127 pcms->acpi_build_enabled = PC_MACHINE_GET_CLASS(pcms)->has_acpi_build; 2128 pcms->smbus_enabled = true; 2129 pcms->sata_enabled = true; 2130 pcms->pit_enabled = true; 2131 2132 pc_system_flash_create(pcms); 2133 } 2134 2135 static void pc_machine_reset(MachineState *machine) 2136 { 2137 CPUState *cs; 2138 X86CPU *cpu; 2139 2140 qemu_devices_reset(); 2141 2142 /* Reset APIC after devices have been reset to cancel 2143 * any changes that qemu_devices_reset() might have done. 2144 */ 2145 CPU_FOREACH(cs) { 2146 cpu = X86_CPU(cs); 2147 2148 if (cpu->apic_state) { 2149 device_reset(cpu->apic_state); 2150 } 2151 } 2152 } 2153 2154 static void pc_machine_wakeup(MachineState *machine) 2155 { 2156 cpu_synchronize_all_states(); 2157 pc_machine_reset(machine); 2158 cpu_synchronize_all_post_reset(); 2159 } 2160 2161 static bool pc_hotplug_allowed(MachineState *ms, DeviceState *dev, Error **errp) 2162 { 2163 X86IOMMUState *iommu = x86_iommu_get_default(); 2164 IntelIOMMUState *intel_iommu; 2165 2166 if (iommu && 2167 object_dynamic_cast((Object *)iommu, TYPE_INTEL_IOMMU_DEVICE) && 2168 object_dynamic_cast((Object *)dev, "vfio-pci")) { 2169 intel_iommu = INTEL_IOMMU_DEVICE(iommu); 2170 if (!intel_iommu->caching_mode) { 2171 error_setg(errp, "Device assignment is not allowed without " 2172 "enabling caching-mode=on for Intel IOMMU."); 2173 return false; 2174 } 2175 } 2176 2177 return true; 2178 } 2179 2180 static void pc_machine_class_init(ObjectClass *oc, void *data) 2181 { 2182 MachineClass *mc = MACHINE_CLASS(oc); 2183 PCMachineClass *pcmc = PC_MACHINE_CLASS(oc); 2184 HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(oc); 2185 2186 pcmc->pci_enabled = true; 2187 pcmc->has_acpi_build = true; 2188 pcmc->rsdp_in_ram = true; 2189 pcmc->smbios_defaults = true; 2190 pcmc->smbios_uuid_encoded = true; 2191 pcmc->gigabyte_align = true; 2192 pcmc->has_reserved_memory = true; 2193 pcmc->kvmclock_enabled = true; 2194 pcmc->enforce_aligned_dimm = true; 2195 /* BIOS ACPI tables: 128K. Other BIOS datastructures: less than 4K reported 2196 * to be used at the moment, 32K should be enough for a while. */ 2197 pcmc->acpi_data_size = 0x20000 + 0x8000; 2198 pcmc->linuxboot_dma_enabled = true; 2199 pcmc->pvh_enabled = true; 2200 assert(!mc->get_hotplug_handler); 2201 mc->get_hotplug_handler = pc_get_hotplug_handler; 2202 mc->hotplug_allowed = pc_hotplug_allowed; 2203 mc->cpu_index_to_instance_props = x86_cpu_index_to_props; 2204 mc->get_default_cpu_node_id = x86_get_default_cpu_node_id; 2205 mc->possible_cpu_arch_ids = x86_possible_cpu_arch_ids; 2206 mc->auto_enable_numa_with_memhp = true; 2207 mc->has_hotpluggable_cpus = true; 2208 mc->default_boot_order = "cad"; 2209 mc->hot_add_cpu = pc_hot_add_cpu; 2210 mc->smp_parse = pc_smp_parse; 2211 mc->block_default_type = IF_IDE; 2212 mc->max_cpus = 255; 2213 mc->reset = pc_machine_reset; 2214 mc->wakeup = pc_machine_wakeup; 2215 hc->pre_plug = pc_machine_device_pre_plug_cb; 2216 hc->plug = pc_machine_device_plug_cb; 2217 hc->unplug_request = pc_machine_device_unplug_request_cb; 2218 hc->unplug = pc_machine_device_unplug_cb; 2219 mc->default_cpu_type = TARGET_DEFAULT_CPU_TYPE; 2220 mc->nvdimm_supported = true; 2221 mc->numa_mem_supported = true; 2222 2223 object_class_property_add(oc, PC_MACHINE_DEVMEM_REGION_SIZE, "int", 2224 pc_machine_get_device_memory_region_size, NULL, 2225 NULL, NULL, &error_abort); 2226 2227 object_class_property_add(oc, PC_MACHINE_SMM, "OnOffAuto", 2228 pc_machine_get_smm, pc_machine_set_smm, 2229 NULL, NULL, &error_abort); 2230 object_class_property_set_description(oc, PC_MACHINE_SMM, 2231 "Enable SMM (pc & q35)", &error_abort); 2232 2233 object_class_property_add(oc, PC_MACHINE_VMPORT, "OnOffAuto", 2234 pc_machine_get_vmport, pc_machine_set_vmport, 2235 NULL, NULL, &error_abort); 2236 object_class_property_set_description(oc, PC_MACHINE_VMPORT, 2237 "Enable vmport (pc & q35)", &error_abort); 2238 2239 object_class_property_add_bool(oc, PC_MACHINE_SMBUS, 2240 pc_machine_get_smbus, pc_machine_set_smbus, &error_abort); 2241 2242 object_class_property_add_bool(oc, PC_MACHINE_SATA, 2243 pc_machine_get_sata, pc_machine_set_sata, &error_abort); 2244 2245 object_class_property_add_bool(oc, PC_MACHINE_PIT, 2246 pc_machine_get_pit, pc_machine_set_pit, &error_abort); 2247 } 2248 2249 static const TypeInfo pc_machine_info = { 2250 .name = TYPE_PC_MACHINE, 2251 .parent = TYPE_X86_MACHINE, 2252 .abstract = true, 2253 .instance_size = sizeof(PCMachineState), 2254 .instance_init = pc_machine_initfn, 2255 .class_size = sizeof(PCMachineClass), 2256 .class_init = pc_machine_class_init, 2257 .interfaces = (InterfaceInfo[]) { 2258 { TYPE_HOTPLUG_HANDLER }, 2259 { } 2260 }, 2261 }; 2262 2263 static void pc_machine_register_types(void) 2264 { 2265 type_register_static(&pc_machine_info); 2266 } 2267 2268 type_init(pc_machine_register_types) 2269