hw/pc_piix.c

   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 <glib.h>
  26
  27 #include "hw.h"
  28 #include "pc.h"
  29 #include "apic.h"
  30 #include "pci/pci.h"
  31 #include "pci/pci_ids.h"
  32 #include "usb.h"
  33 #include "net.h"
  34 #include "boards.h"
  35 #include "ide.h"
  36 #include "kvm.h"
  37 #include "kvm/clock.h"
  38 #include "sysemu.h"
  39 #include "sysbus.h"
  40 #include "arch_init.h"
  41 #include "blockdev.h"
  42 #include "smbus.h"
  43 #include "xen.h"
  44 #include "memory.h"
  45 #include "exec-memory.h"
  46 #include "cpu.h"
  47 #ifdef CONFIG_XEN
  48 #  include <xen/hvm/hvm_info_table.h>
  49 #endif
  50
  51 #define MAX_IDE_BUS 2
  52
  53 static const int ide_iobase[MAX_IDE_BUS] = { 0x1f0, 0x170 };
  54 static const int ide_iobase2[MAX_IDE_BUS] = { 0x3f6, 0x376 };
  55 static const int ide_irq[MAX_IDE_BUS] = { 14, 15 };
  56
  57 /* PC hardware initialisation */
  58 static void pc_init1(MemoryRegion *system_memory,
  59                      MemoryRegion *system_io,
  60                      ram_addr_t ram_size,
  61                      const char *boot_device,
  62                      const char *kernel_filename,
  63                      const char *kernel_cmdline,
  64                      const char *initrd_filename,
  65                      const char *cpu_model,
  66                      int pci_enabled,
  67                      int kvmclock_enabled)
  68 {
  69     int i;
  70     ram_addr_t below_4g_mem_size, above_4g_mem_size;
  71     PCIBus *pci_bus;
  72     ISABus *isa_bus;
  73     PCII440FXState *i440fx_state;
  74     int piix3_devfn = -1;
  75     qemu_irq *cpu_irq;
  76     qemu_irq *gsi;
  77     qemu_irq *i8259;
  78     qemu_irq *smi_irq;
  79     GSIState *gsi_state;
  80     DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
  81     BusState *idebus[MAX_IDE_BUS];
  82     ISADevice *rtc_state;
  83     ISADevice *floppy;
  84     MemoryRegion *ram_memory;
  85     MemoryRegion *pci_memory;
  86     MemoryRegion *rom_memory;
  87     void *fw_cfg = NULL;
  88
  89     pc_cpus_init(cpu_model);
  90
  91     if (kvmclock_enabled) {
  92         kvmclock_create();
  93     }
  94
  95     if (ram_size >= 0xe0000000 ) {
  96         above_4g_mem_size = ram_size - 0xe0000000;
  97         below_4g_mem_size = 0xe0000000;
  98     } else {
  99         above_4g_mem_size = 0;
 100         below_4g_mem_size = ram_size;
 101     }
 102
 103     if (pci_enabled) {
 104         pci_memory = g_new(MemoryRegion, 1);
 105         memory_region_init(pci_memory, "pci", INT64_MAX);
 106         rom_memory = pci_memory;
 107     } else {
 108         pci_memory = NULL;
 109         rom_memory = system_memory;
 110     }
 111
 112     /* allocate ram and load rom/bios */
 113     if (!xen_enabled()) {
 114         fw_cfg = pc_memory_init(system_memory,
 115                        kernel_filename, kernel_cmdline, initrd_filename,
 116                        below_4g_mem_size, above_4g_mem_size,
 117                        rom_memory, &ram_memory);
 118     }
 119
 120     gsi_state = g_malloc0(sizeof(*gsi_state));
 121     if (kvm_irqchip_in_kernel()) {
 122         kvm_pc_setup_irq_routing(pci_enabled);
 123         gsi = qemu_allocate_irqs(kvm_pc_gsi_handler, gsi_state,
 124                                  GSI_NUM_PINS);
 125     } else {
 126         gsi = qemu_allocate_irqs(gsi_handler, gsi_state, GSI_NUM_PINS);
 127     }
 128
 129     if (pci_enabled) {
 130         pci_bus = i440fx_init(&i440fx_state, &piix3_devfn, &isa_bus, gsi,
 131                               system_memory, system_io, ram_size,
 132                               below_4g_mem_size,
 133                               0x100000000ULL - below_4g_mem_size,
 134                               0x100000000ULL + above_4g_mem_size,
 135                               (sizeof(hwaddr) == 4
 136                                ? 0
 137                                : ((uint64_t)1 << 62)),
 138                               pci_memory, ram_memory);
 139     } else {
 140         pci_bus = NULL;
 141         i440fx_state = NULL;
 142         isa_bus = isa_bus_new(NULL, system_io);
 143         no_hpet = 1;
 144     }
 145     isa_bus_irqs(isa_bus, gsi);
 146
 147     if (kvm_irqchip_in_kernel()) {
 148         i8259 = kvm_i8259_init(isa_bus);
 149     } else if (xen_enabled()) {
 150         i8259 = xen_interrupt_controller_init();
 151     } else {
 152         cpu_irq = pc_allocate_cpu_irq();
 153         i8259 = i8259_init(isa_bus, cpu_irq[0]);
 154     }
 155
 156     for (i = 0; i < ISA_NUM_IRQS; i++) {
 157         gsi_state->i8259_irq[i] = i8259[i];
 158     }
 159     if (pci_enabled) {
 160         ioapic_init_gsi(gsi_state, "i440fx");
 161     }
 162
 163     pc_register_ferr_irq(gsi[13]);
 164
 165     pc_vga_init(isa_bus, pci_enabled ? pci_bus : NULL);
 166     if (xen_enabled()) {
 167         pci_create_simple(pci_bus, -1, "xen-platform");
 168     }
 169
 170     /* init basic PC hardware */
 171     pc_basic_device_init(isa_bus, gsi, &rtc_state, &floppy, xen_enabled());
 172
 173     pc_nic_init(isa_bus, pci_bus);
 174
 175     ide_drive_get(hd, MAX_IDE_BUS);
 176     if (pci_enabled) {
 177         PCIDevice *dev;
 178         if (xen_enabled()) {
 179             dev = pci_piix3_xen_ide_init(pci_bus, hd, piix3_devfn + 1);
 180         } else {
 181             dev = pci_piix3_ide_init(pci_bus, hd, piix3_devfn + 1);
 182         }
 183         idebus[0] = qdev_get_child_bus(&dev->qdev, "ide.0");
 184         idebus[1] = qdev_get_child_bus(&dev->qdev, "ide.1");
 185     } else {
 186         for(i = 0; i < MAX_IDE_BUS; i++) {
 187             ISADevice *dev;
 188             dev = isa_ide_init(isa_bus, ide_iobase[i], ide_iobase2[i],
 189                                ide_irq[i],
 190                                hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]);
 191             idebus[i] = qdev_get_child_bus(&dev->qdev, "ide.0");
 192         }
 193     }
 194
 195     audio_init(isa_bus, pci_enabled ? pci_bus : NULL);
 196
 197     pc_cmos_init(below_4g_mem_size, above_4g_mem_size, boot_device,
 198                  floppy, idebus[0], idebus[1], rtc_state);
 199
 200     if (pci_enabled && usb_enabled(false)) {
 201         pci_create_simple(pci_bus, piix3_devfn + 2, "piix3-usb-uhci");
 202     }
 203
 204     if (pci_enabled && acpi_enabled) {
 205         i2c_bus *smbus;
 206
 207         smi_irq = qemu_allocate_irqs(pc_acpi_smi_interrupt, first_cpu, 1);
 208         /* TODO: Populate SPD eeprom data.  */
 209         smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100,
 210                               gsi[9], *smi_irq,
 211                               kvm_enabled(), fw_cfg);
 212         smbus_eeprom_init(smbus, 8, NULL, 0);
 213     }
 214
 215     if (pci_enabled) {
 216         pc_pci_device_init(pci_bus);
 217     }
 218 }
 219
 220 static void pc_init_pci(QEMUMachineInitArgs *args)
 221 {
 222     ram_addr_t ram_size = args->ram_size;
 223     const char *cpu_model = args->cpu_model;
 224     const char *kernel_filename = args->kernel_filename;
 225     const char *kernel_cmdline = args->kernel_cmdline;
 226     const char *initrd_filename = args->initrd_filename;
 227     const char *boot_device = args->boot_device;
 228     pc_init1(get_system_memory(),
 229              get_system_io(),
 230              ram_size, boot_device,
 231              kernel_filename, kernel_cmdline,
 232              initrd_filename, cpu_model, 1, 1);
 233 }
 234
 235 static void pc_init_pci_1_3(QEMUMachineInitArgs *args)
 236 {
 237     enable_kvm_pv_eoi();
 238     pc_init_pci(args);
 239 }
 240
 241 static void pc_init_pci_no_kvmclock(QEMUMachineInitArgs *args)
 242 {
 243     ram_addr_t ram_size = args->ram_size;
 244     const char *cpu_model = args->cpu_model;
 245     const char *kernel_filename = args->kernel_filename;
 246     const char *kernel_cmdline = args->kernel_cmdline;
 247     const char *initrd_filename = args->initrd_filename;
 248     const char *boot_device = args->boot_device;
 249     pc_init1(get_system_memory(),
 250              get_system_io(),
 251              ram_size, boot_device,
 252              kernel_filename, kernel_cmdline,
 253              initrd_filename, cpu_model, 1, 0);
 254 }
 255
 256 static void pc_init_isa(QEMUMachineInitArgs *args)
 257 {
 258     ram_addr_t ram_size = args->ram_size;
 259     const char *cpu_model = args->cpu_model;
 260     const char *kernel_filename = args->kernel_filename;
 261     const char *kernel_cmdline = args->kernel_cmdline;
 262     const char *initrd_filename = args->initrd_filename;
 263     const char *boot_device = args->boot_device;
 264     if (cpu_model == NULL)
 265         cpu_model = "486";
 266     pc_init1(get_system_memory(),
 267              get_system_io(),
 268              ram_size, boot_device,
 269              kernel_filename, kernel_cmdline,
 270              initrd_filename, cpu_model, 0, 1);
 271 }
 272
 273 #ifdef CONFIG_XEN
 274 static void pc_xen_hvm_init(QEMUMachineInitArgs *args)
 275 {
 276     if (xen_hvm_init() != 0) {
 277         hw_error("xen hardware virtual machine initialisation failed");
 278     }
 279     pc_init_pci_no_kvmclock(args);
 280     xen_vcpu_init();
 281 }
 282 #endif
 283
 284 static QEMUMachine pc_machine_v1_4 = {
 285     .name = "pc-1.4",
 286     .alias = "pc",
 287     .desc = "Standard PC",
 288     .init = pc_init_pci_1_3,
 289     .max_cpus = 255,
 290     .is_default = 1,
 291 };
 292
 293 #define PC_COMPAT_1_3 \
 294         {\
 295             .driver   = "usb-tablet",\
 296             .property = "usb_version",\
 297             .value    = stringify(1),\
 298         }
 299
 300 static QEMUMachine pc_machine_v1_3 = {
 301     .name = "pc-1.3",
 302     .desc = "Standard PC",
 303     .init = pc_init_pci_1_3,
 304     .max_cpus = 255,
 305     .compat_props = (GlobalProperty[]) {
 306         PC_COMPAT_1_3,
 307         { /* end of list */ }
 308     },
 309 };
 310
 311 #define PC_COMPAT_1_2 \
 312         PC_COMPAT_1_3,\
 313         {\
 314             .driver   = "nec-usb-xhci",\
 315             .property = "msi",\
 316             .value    = "off",\
 317         },{\
 318             .driver   = "nec-usb-xhci",\
 319             .property = "msix",\
 320             .value    = "off",\
 321         },{\
 322             .driver   = "ivshmem",\
 323             .property = "use64",\
 324             .value    = "0",\
 325         },{\
 326             .driver   = "qxl",\
 327             .property = "revision",\
 328             .value    = stringify(3),\
 329         },{\
 330             .driver   = "qxl-vga",\
 331             .property = "revision",\
 332             .value    = stringify(3),\
 333         },{\
 334             .driver   = "VGA",\
 335             .property = "mmio",\
 336             .value    = "off",\
 337         }
 338
 339 static QEMUMachine pc_machine_v1_2 = {
 340     .name = "pc-1.2",
 341     .desc = "Standard PC",
 342     .init = pc_init_pci,
 343     .max_cpus = 255,
 344     .compat_props = (GlobalProperty[]) {
 345         PC_COMPAT_1_2,
 346         { /* end of list */ }
 347     },
 348 };
 349
 350 #define PC_COMPAT_1_1 \
 351         PC_COMPAT_1_2,\
 352         {\
 353             .driver   = "virtio-scsi-pci",\
 354             .property = "hotplug",\
 355             .value    = "off",\
 356         },{\
 357             .driver   = "virtio-scsi-pci",\
 358             .property = "param_change",\
 359             .value    = "off",\
 360         },{\
 361             .driver   = "VGA",\
 362             .property = "vgamem_mb",\
 363             .value    = stringify(8),\
 364         },{\
 365             .driver   = "vmware-svga",\
 366             .property = "vgamem_mb",\
 367             .value    = stringify(8),\
 368         },{\
 369             .driver   = "qxl-vga",\
 370             .property = "vgamem_mb",\
 371             .value    = stringify(8),\
 372         },{\
 373             .driver   = "qxl",\
 374             .property = "vgamem_mb",\
 375             .value    = stringify(8),\
 376         },{\
 377             .driver   = "virtio-blk-pci",\
 378             .property = "config-wce",\
 379             .value    = "off",\
 380         }
 381
 382 static QEMUMachine pc_machine_v1_1 = {
 383     .name = "pc-1.1",
 384     .desc = "Standard PC",
 385     .init = pc_init_pci,
 386     .max_cpus = 255,
 387     .compat_props = (GlobalProperty[]) {
 388         PC_COMPAT_1_1,
 389         { /* end of list */ }
 390     },
 391 };
 392
 393 #define PC_COMPAT_1_0 \
 394         PC_COMPAT_1_1,\
 395         {\
 396             .driver   = "pc-sysfw",\
 397             .property = "rom_only",\
 398             .value    = stringify(1),\
 399         }, {\
 400             .driver   = "isa-fdc",\
 401             .property = "check_media_rate",\
 402             .value    = "off",\
 403         }, {\
 404             .driver   = "virtio-balloon-pci",\
 405             .property = "class",\
 406             .value    = stringify(PCI_CLASS_MEMORY_RAM),\
 407         },{\
 408             .driver   = "apic",\
 409             .property = "vapic",\
 410             .value    = "off",\
 411         },{\
 412             .driver   = TYPE_USB_DEVICE,\
 413             .property = "full-path",\
 414             .value    = "no",\
 415         }
 416
 417 static QEMUMachine pc_machine_v1_0 = {
 418     .name = "pc-1.0",
 419     .desc = "Standard PC",
 420     .init = pc_init_pci,
 421     .max_cpus = 255,
 422     .compat_props = (GlobalProperty[]) {
 423         PC_COMPAT_1_0,
 424         { /* end of list */ }
 425     },
 426     .hw_version = "1.0",
 427 };
 428
 429 #define PC_COMPAT_0_15 \
 430         PC_COMPAT_1_0
 431
 432 static QEMUMachine pc_machine_v0_15 = {
 433     .name = "pc-0.15",
 434     .desc = "Standard PC",
 435     .init = pc_init_pci,
 436     .max_cpus = 255,
 437     .compat_props = (GlobalProperty[]) {
 438         PC_COMPAT_0_15,
 439         { /* end of list */ }
 440     },
 441     .hw_version = "0.15",
 442 };
 443
 444 #define PC_COMPAT_0_14 \
 445         PC_COMPAT_0_15,\
 446         {\
 447             .driver   = "virtio-blk-pci",\
 448             .property = "event_idx",\
 449             .value    = "off",\
 450         },{\
 451             .driver   = "virtio-serial-pci",\
 452             .property = "event_idx",\
 453             .value    = "off",\
 454         },{\
 455             .driver   = "virtio-net-pci",\
 456             .property = "event_idx",\
 457             .value    = "off",\
 458         },{\
 459             .driver   = "virtio-balloon-pci",\
 460             .property = "event_idx",\
 461             .value    = "off",\
 462         }
 463
 464 static QEMUMachine pc_machine_v0_14 = {
 465     .name = "pc-0.14",
 466     .desc = "Standard PC",
 467     .init = pc_init_pci,
 468     .max_cpus = 255,
 469     .compat_props = (GlobalProperty[]) {
 470         PC_COMPAT_0_14,
 471         {
 472             .driver   = "qxl",
 473             .property = "revision",
 474             .value    = stringify(2),
 475         },{
 476             .driver   = "qxl-vga",
 477             .property = "revision",
 478             .value    = stringify(2),
 479         },
 480         { /* end of list */ }
 481     },
 482     .hw_version = "0.14",
 483 };
 484
 485 #define PC_COMPAT_0_13 \
 486         PC_COMPAT_0_14,\
 487         {\
 488             .driver   = TYPE_PCI_DEVICE,\
 489             .property = "command_serr_enable",\
 490             .value    = "off",\
 491         },{\
 492             .driver   = "AC97",\
 493             .property = "use_broken_id",\
 494             .value    = stringify(1),\
 495         }
 496
 497 static QEMUMachine pc_machine_v0_13 = {
 498     .name = "pc-0.13",
 499     .desc = "Standard PC",
 500     .init = pc_init_pci_no_kvmclock,
 501     .max_cpus = 255,
 502     .compat_props = (GlobalProperty[]) {
 503         PC_COMPAT_0_13,
 504         {
 505             .driver   = "virtio-9p-pci",
 506             .property = "vectors",
 507             .value    = stringify(0),
 508         },{
 509             .driver   = "VGA",
 510             .property = "rombar",
 511             .value    = stringify(0),
 512         },{
 513             .driver   = "vmware-svga",
 514             .property = "rombar",
 515             .value    = stringify(0),
 516         },
 517         { /* end of list */ }
 518     },
 519     .hw_version = "0.13",
 520 };
 521
 522 #define PC_COMPAT_0_12 \
 523         PC_COMPAT_0_13,\
 524         {\
 525             .driver   = "virtio-serial-pci",\
 526             .property = "max_ports",\
 527             .value    = stringify(1),\
 528         },{\
 529             .driver   = "virtio-serial-pci",\
 530             .property = "vectors",\
 531             .value    = stringify(0),\
 532         }
 533
 534 static QEMUMachine pc_machine_v0_12 = {
 535     .name = "pc-0.12",
 536     .desc = "Standard PC",
 537     .init = pc_init_pci_no_kvmclock,
 538     .max_cpus = 255,
 539     .compat_props = (GlobalProperty[]) {
 540         PC_COMPAT_0_12,
 541         {
 542             .driver   = "VGA",
 543             .property = "rombar",
 544             .value    = stringify(0),
 545         },{
 546             .driver   = "vmware-svga",
 547             .property = "rombar",
 548             .value    = stringify(0),
 549         },
 550         { /* end of list */ }
 551     },
 552     .hw_version = "0.12",
 553 };
 554
 555 #define PC_COMPAT_0_11 \
 556         PC_COMPAT_0_12,\
 557         {\
 558             .driver   = "virtio-blk-pci",\
 559             .property = "vectors",\
 560             .value    = stringify(0),\
 561         },{\
 562             .driver   = TYPE_PCI_DEVICE,\
 563             .property = "rombar",\
 564             .value    = stringify(0),\
 565         }
 566
 567 static QEMUMachine pc_machine_v0_11 = {
 568     .name = "pc-0.11",
 569     .desc = "Standard PC, qemu 0.11",
 570     .init = pc_init_pci_no_kvmclock,
 571     .max_cpus = 255,
 572     .compat_props = (GlobalProperty[]) {
 573         PC_COMPAT_0_11,
 574         {
 575             .driver   = "ide-drive",
 576             .property = "ver",
 577             .value    = "0.11",
 578         },{
 579             .driver   = "scsi-disk",
 580             .property = "ver",
 581             .value    = "0.11",
 582         },
 583         { /* end of list */ }
 584     },
 585     .hw_version = "0.11",
 586 };
 587
 588 static QEMUMachine pc_machine_v0_10 = {
 589     .name = "pc-0.10",
 590     .desc = "Standard PC, qemu 0.10",
 591     .init = pc_init_pci_no_kvmclock,
 592     .max_cpus = 255,
 593     .compat_props = (GlobalProperty[]) {
 594         PC_COMPAT_0_11,
 595         {
 596             .driver   = "virtio-blk-pci",
 597             .property = "class",
 598             .value    = stringify(PCI_CLASS_STORAGE_OTHER),
 599         },{
 600             .driver   = "virtio-serial-pci",
 601             .property = "class",
 602             .value    = stringify(PCI_CLASS_DISPLAY_OTHER),
 603         },{
 604             .driver   = "virtio-net-pci",
 605             .property = "vectors",
 606             .value    = stringify(0),
 607         },{
 608             .driver   = "ide-drive",
 609             .property = "ver",
 610             .value    = "0.10",
 611         },{
 612             .driver   = "scsi-disk",
 613             .property = "ver",
 614             .value    = "0.10",
 615         },
 616         { /* end of list */ }
 617     },
 618     .hw_version = "0.10",
 619 };
 620
 621 static QEMUMachine isapc_machine = {
 622     .name = "isapc",
 623     .desc = "ISA-only PC",
 624     .init = pc_init_isa,
 625     .max_cpus = 1,
 626     .compat_props = (GlobalProperty[]) {
 627         {
 628             .driver   = "pc-sysfw",
 629             .property = "rom_only",
 630             .value    = stringify(1),
 631         },
 632         { /* end of list */ }
 633     },
 634 };
 635
 636 #ifdef CONFIG_XEN
 637 static QEMUMachine xenfv_machine = {
 638     .name = "xenfv",
 639     .desc = "Xen Fully-virtualized PC",
 640     .init = pc_xen_hvm_init,
 641     .max_cpus = HVM_MAX_VCPUS,
 642     .default_machine_opts = "accel=xen",
 643 };
 644 #endif
 645
 646 static void pc_machine_init(void)
 647 {
 648     qemu_register_machine(&pc_machine_v1_4);
 649     qemu_register_machine(&pc_machine_v1_3);
 650     qemu_register_machine(&pc_machine_v1_2);
 651     qemu_register_machine(&pc_machine_v1_1);
 652     qemu_register_machine(&pc_machine_v1_0);
 653     qemu_register_machine(&pc_machine_v0_15);
 654     qemu_register_machine(&pc_machine_v0_14);
 655     qemu_register_machine(&pc_machine_v0_13);
 656     qemu_register_machine(&pc_machine_v0_12);
 657     qemu_register_machine(&pc_machine_v0_11);
 658     qemu_register_machine(&pc_machine_v0_10);
 659     qemu_register_machine(&isapc_machine);
 660 #ifdef CONFIG_XEN
 661     qemu_register_machine(&xenfv_machine);
 662 #endif
 663 }
 664
 665 machine_init(pc_machine_init);