include/hw/i386/pc.h

   1 #ifndef HW_PC_H
   2 #define HW_PC_H
   3
   4 #include "exec/memory.h"
   5 #include "hw/boards.h"
   6 #include "hw/isa/isa.h"
   7 #include "hw/block/fdc.h"
   8 #include "hw/block/flash.h"
   9 #include "net/net.h"
  10 #include "hw/i386/ioapic.h"
  11
  12 #include "qemu/range.h"
  13 #include "qemu/bitmap.h"
  14 #include "qemu/module.h"
  15 #include "sysemu/sysemu.h"
  16 #include "hw/pci/pci.h"
  17 #include "hw/mem/pc-dimm.h"
  18 #include "hw/mem/nvdimm.h"
  19 #include "hw/acpi/acpi_dev_interface.h"
  20
  21 #define HPET_INTCAP "hpet-intcap"
  22
  23 /**
  24  * PCMachineState:
  25  * @acpi_dev: link to ACPI PM device that performs ACPI hotplug handling
  26  * @boot_cpus: number of present VCPUs
  27  * @smp_dies: number of dies per one package
  28  */
  29 struct PCMachineState {
  30     /*< private >*/
  31     MachineState parent_obj;
  32
  33     /* <public> */
  34
  35     /* State for other subsystems/APIs: */
  36     Notifier machine_done;
  37
  38     /* Pointers to devices and objects: */
  39     HotplugHandler *acpi_dev;
  40     ISADevice *rtc;
  41     PCIBus *bus;
  42     FWCfgState *fw_cfg;
  43     qemu_irq *gsi;
  44     PFlashCFI01 *flash[2];
  45
  46     /* Configuration options: */
  47     uint64_t max_ram_below_4g;
  48     OnOffAuto vmport;
  49     OnOffAuto smm;
  50
  51     bool acpi_build_enabled;
  52     bool smbus_enabled;
  53     bool sata_enabled;
  54     bool pit_enabled;
  55
  56     /* RAM information (sizes, addresses, configuration): */
  57     ram_addr_t below_4g_mem_size, above_4g_mem_size;
  58
  59     /* CPU and apic information: */
  60     bool apic_xrupt_override;
  61     unsigned apic_id_limit;
  62     uint16_t boot_cpus;
  63     unsigned smp_dies;
  64
  65     /* NUMA information: */
  66     uint64_t numa_nodes;
  67     uint64_t *node_mem;
  68
  69     /* Address space used by IOAPIC device. All IOAPIC interrupts
  70      * will be translated to MSI messages in the address space. */
  71     AddressSpace *ioapic_as;
  72 };
  73
  74 #define PC_MACHINE_ACPI_DEVICE_PROP "acpi-device"
  75 #define PC_MACHINE_DEVMEM_REGION_SIZE "device-memory-region-size"
  76 #define PC_MACHINE_MAX_RAM_BELOW_4G "max-ram-below-4g"
  77 #define PC_MACHINE_VMPORT           "vmport"
  78 #define PC_MACHINE_SMM              "smm"
  79 #define PC_MACHINE_SMBUS            "smbus"
  80 #define PC_MACHINE_SATA             "sata"
  81 #define PC_MACHINE_PIT              "pit"
  82
  83 /**
  84  * PCMachineClass:
  85  *
  86  * Compat fields:
  87  *
  88  * @enforce_aligned_dimm: check that DIMM's address/size is aligned by
  89  *                        backend's alignment value if provided
  90  * @acpi_data_size: Size of the chunk of memory at the top of RAM
  91  *                  for the BIOS ACPI tables and other BIOS
  92  *                  datastructures.
  93  * @gigabyte_align: Make sure that guest addresses aligned at
  94  *                  1Gbyte boundaries get mapped to host
  95  *                  addresses aligned at 1Gbyte boundaries. This
  96  *                  way we can use 1GByte pages in the host.
  97  *
  98  */
  99 typedef struct PCMachineClass {
 100     /*< private >*/
 101     MachineClass parent_class;
 102
 103     /*< public >*/
 104
 105     /* Device configuration: */
 106     bool pci_enabled;
 107     bool kvmclock_enabled;
 108     const char *default_nic_model;
 109
 110     /* Compat options: */
 111
 112     /* ACPI compat: */
 113     bool has_acpi_build;
 114     bool rsdp_in_ram;
 115     int legacy_acpi_table_size;
 116     unsigned acpi_data_size;
 117
 118     /* SMBIOS compat: */
 119     bool smbios_defaults;
 120     bool smbios_legacy_mode;
 121     bool smbios_uuid_encoded;
 122
 123     /* RAM / address space compat: */
 124     bool gigabyte_align;
 125     bool has_reserved_memory;
 126     bool enforce_aligned_dimm;
 127     bool broken_reserved_end;
 128
 129     /* TSC rate migration: */
 130     bool save_tsc_khz;
 131     /* generate legacy CPU hotplug AML */
 132     bool legacy_cpu_hotplug;
 133
 134     /* use DMA capable linuxboot option rom */
 135     bool linuxboot_dma_enabled;
 136
 137     /* use PVH to load kernels that support this feature */
 138     bool pvh_enabled;
 139
 140     /* Enables contiguous-apic-ID mode */
 141     bool compat_apic_id_mode;
 142 } PCMachineClass;
 143
 144 #define TYPE_PC_MACHINE "generic-pc-machine"
 145 #define PC_MACHINE(obj) \
 146     OBJECT_CHECK(PCMachineState, (obj), TYPE_PC_MACHINE)
 147 #define PC_MACHINE_GET_CLASS(obj) \
 148     OBJECT_GET_CLASS(PCMachineClass, (obj), TYPE_PC_MACHINE)
 149 #define PC_MACHINE_CLASS(klass) \
 150     OBJECT_CLASS_CHECK(PCMachineClass, (klass), TYPE_PC_MACHINE)
 151
 152 /* i8259.c */
 153
 154 extern DeviceState *isa_pic;
 155 qemu_irq *i8259_init(ISABus *bus, qemu_irq parent_irq);
 156 qemu_irq *kvm_i8259_init(ISABus *bus);
 157 int pic_read_irq(DeviceState *d);
 158 int pic_get_output(DeviceState *d);
 159
 160 /* ioapic.c */
 161
 162 /* Global System Interrupts */
 163
 164 #define GSI_NUM_PINS IOAPIC_NUM_PINS
 165
 166 typedef struct GSIState {
 167     qemu_irq i8259_irq[ISA_NUM_IRQS];
 168     qemu_irq ioapic_irq[IOAPIC_NUM_PINS];
 169 } GSIState;
 170
 171 void gsi_handler(void *opaque, int n, int level);
 172
 173 /* vmport.c */
 174 #define TYPE_VMPORT "vmport"
 175 typedef uint32_t (VMPortReadFunc)(void *opaque, uint32_t address);
 176
 177 static inline void vmport_init(ISABus *bus)
 178 {
 179     isa_create_simple(bus, TYPE_VMPORT);
 180 }
 181
 182 void vmport_register(unsigned char command, VMPortReadFunc *func, void *opaque);
 183 void vmmouse_get_data(uint32_t *data);
 184 void vmmouse_set_data(const uint32_t *data);
 185
 186 /* pc.c */
 187 extern int fd_bootchk;
 188
 189 bool pc_machine_is_smm_enabled(PCMachineState *pcms);
 190 void pc_register_ferr_irq(qemu_irq irq);
 191 void pc_acpi_smi_interrupt(void *opaque, int irq, int level);
 192
 193 void pc_cpus_init(PCMachineState *pcms);
 194 void pc_hot_add_cpu(MachineState *ms, const int64_t id, Error **errp);
 195 void pc_smp_parse(MachineState *ms, QemuOpts *opts);
 196
 197 void pc_guest_info_init(PCMachineState *pcms);
 198
 199 #define PCI_HOST_PROP_PCI_HOLE_START   "pci-hole-start"
 200 #define PCI_HOST_PROP_PCI_HOLE_END     "pci-hole-end"
 201 #define PCI_HOST_PROP_PCI_HOLE64_START "pci-hole64-start"
 202 #define PCI_HOST_PROP_PCI_HOLE64_END   "pci-hole64-end"
 203 #define PCI_HOST_PROP_PCI_HOLE64_SIZE  "pci-hole64-size"
 204 #define PCI_HOST_BELOW_4G_MEM_SIZE     "below-4g-mem-size"
 205 #define PCI_HOST_ABOVE_4G_MEM_SIZE     "above-4g-mem-size"
 206
 207
 208 void pc_pci_as_mapping_init(Object *owner, MemoryRegion *system_memory,
 209                             MemoryRegion *pci_address_space);
 210
 211 void xen_load_linux(PCMachineState *pcms);
 212 void pc_memory_init(PCMachineState *pcms,
 213                     MemoryRegion *system_memory,
 214                     MemoryRegion *rom_memory,
 215                     MemoryRegion **ram_memory);
 216 uint64_t pc_pci_hole64_start(void);
 217 qemu_irq pc_allocate_cpu_irq(void);
 218 DeviceState *pc_vga_init(ISABus *isa_bus, PCIBus *pci_bus);
 219 void pc_basic_device_init(ISABus *isa_bus, qemu_irq *gsi,
 220                           ISADevice **rtc_state,
 221                           bool create_fdctrl,
 222                           bool no_vmport,
 223                           bool has_pit,
 224                           uint32_t hpet_irqs);
 225 void pc_init_ne2k_isa(ISABus *bus, NICInfo *nd);
 226 void pc_cmos_init(PCMachineState *pcms,
 227                   BusState *ide0, BusState *ide1,
 228                   ISADevice *s);
 229 void pc_nic_init(PCMachineClass *pcmc, ISABus *isa_bus, PCIBus *pci_bus);
 230 void pc_pci_device_init(PCIBus *pci_bus);
 231
 232 typedef void (*cpu_set_smm_t)(int smm, void *arg);
 233
 234 void ioapic_init_gsi(GSIState *gsi_state, const char *parent_name);
 235
 236 ISADevice *pc_find_fdc0(void);
 237 int cmos_get_fd_drive_type(FloppyDriveType fd0);
 238
 239 #define FW_CFG_IO_BASE     0x510
 240
 241 #define PORT92_A20_LINE "a20"
 242
 243 /* acpi_piix.c */
 244
 245 I2CBus *piix4_pm_init(PCIBus *bus, int devfn, uint32_t smb_io_base,
 246                       qemu_irq sci_irq, qemu_irq smi_irq,
 247                       int smm_enabled, DeviceState **piix4_pm);
 248
 249 /* hpet.c */
 250 extern int no_hpet;
 251
 252 /* piix_pci.c */
 253 struct PCII440FXState;
 254 typedef struct PCII440FXState PCII440FXState;
 255
 256 #define TYPE_I440FX_PCI_HOST_BRIDGE "i440FX-pcihost"
 257 #define TYPE_I440FX_PCI_DEVICE "i440FX"
 258
 259 #define TYPE_IGD_PASSTHROUGH_I440FX_PCI_DEVICE "igd-passthrough-i440FX"
 260
 261 /*
 262  * Reset Control Register: PCI-accessible ISA-Compatible Register at address
 263  * 0xcf9, provided by the PCI/ISA bridge (PIIX3 PCI function 0, 8086:7000).
 264  */
 265 #define RCR_IOPORT 0xcf9
 266
 267 PCIBus *i440fx_init(const char *host_type, const char *pci_type,
 268                     PCII440FXState **pi440fx_state, int *piix_devfn,
 269                     ISABus **isa_bus, qemu_irq *pic,
 270                     MemoryRegion *address_space_mem,
 271                     MemoryRegion *address_space_io,
 272                     ram_addr_t ram_size,
 273                     ram_addr_t below_4g_mem_size,
 274                     ram_addr_t above_4g_mem_size,
 275                     MemoryRegion *pci_memory,
 276                     MemoryRegion *ram_memory);
 277
 278 PCIBus *find_i440fx(void);
 279 /* piix4.c */
 280 extern PCIDevice *piix4_dev;
 281 int piix4_init(PCIBus *bus, ISABus **isa_bus, int devfn);
 282
 283 /* pc_sysfw.c */
 284 void pc_system_flash_create(PCMachineState *pcms);
 285 void pc_system_firmware_init(PCMachineState *pcms, MemoryRegion *rom_memory);
 286
 287 /* acpi-build.c */
 288 void pc_madt_cpu_entry(AcpiDeviceIf *adev, int uid,
 289                        const CPUArchIdList *apic_ids, GArray *entry);
 290
 291 /* e820 types */
 292 #define E820_RAM        1
 293 #define E820_RESERVED   2
 294 #define E820_ACPI       3
 295 #define E820_NVS        4
 296 #define E820_UNUSABLE   5
 297
 298 int e820_add_entry(uint64_t, uint64_t, uint32_t);
 299 int e820_get_num_entries(void);
 300 bool e820_get_entry(int, uint32_t, uint64_t *, uint64_t *);
 301
 302 extern GlobalProperty pc_compat_4_0[];
 303 extern const size_t pc_compat_4_0_len;
 304
 305 extern GlobalProperty pc_compat_3_1[];
 306 extern const size_t pc_compat_3_1_len;
 307
 308 extern GlobalProperty pc_compat_3_0[];
 309 extern const size_t pc_compat_3_0_len;
 310
 311 extern GlobalProperty pc_compat_2_12[];
 312 extern const size_t pc_compat_2_12_len;
 313
 314 extern GlobalProperty pc_compat_2_11[];
 315 extern const size_t pc_compat_2_11_len;
 316
 317 extern GlobalProperty pc_compat_2_10[];
 318 extern const size_t pc_compat_2_10_len;
 319
 320 extern GlobalProperty pc_compat_2_9[];
 321 extern const size_t pc_compat_2_9_len;
 322
 323 extern GlobalProperty pc_compat_2_8[];
 324 extern const size_t pc_compat_2_8_len;
 325
 326 extern GlobalProperty pc_compat_2_7[];
 327 extern const size_t pc_compat_2_7_len;
 328
 329 extern GlobalProperty pc_compat_2_6[];
 330 extern const size_t pc_compat_2_6_len;
 331
 332 extern GlobalProperty pc_compat_2_5[];
 333 extern const size_t pc_compat_2_5_len;
 334
 335 extern GlobalProperty pc_compat_2_4[];
 336 extern const size_t pc_compat_2_4_len;
 337
 338 extern GlobalProperty pc_compat_2_3[];
 339 extern const size_t pc_compat_2_3_len;
 340
 341 extern GlobalProperty pc_compat_2_2[];
 342 extern const size_t pc_compat_2_2_len;
 343
 344 extern GlobalProperty pc_compat_2_1[];
 345 extern const size_t pc_compat_2_1_len;
 346
 347 extern GlobalProperty pc_compat_2_0[];
 348 extern const size_t pc_compat_2_0_len;
 349
 350 extern GlobalProperty pc_compat_1_7[];
 351 extern const size_t pc_compat_1_7_len;
 352
 353 extern GlobalProperty pc_compat_1_6[];
 354 extern const size_t pc_compat_1_6_len;
 355
 356 extern GlobalProperty pc_compat_1_5[];
 357 extern const size_t pc_compat_1_5_len;
 358
 359 extern GlobalProperty pc_compat_1_4[];
 360 extern const size_t pc_compat_1_4_len;
 361
 362 /* Helper for setting model-id for CPU models that changed model-id
 363  * depending on QEMU versions up to QEMU 2.4.
 364  */
 365 #define PC_CPU_MODEL_IDS(v) \
 366     { "qemu32-" TYPE_X86_CPU, "model-id", "QEMU Virtual CPU version " v, },\
 367     { "qemu64-" TYPE_X86_CPU, "model-id", "QEMU Virtual CPU version " v, },\
 368     { "athlon-" TYPE_X86_CPU, "model-id", "QEMU Virtual CPU version " v, },
 369
 370 #define DEFINE_PC_MACHINE(suffix, namestr, initfn, optsfn) \
 371     static void pc_machine_##suffix##_class_init(ObjectClass *oc, void *data) \
 372     { \
 373         MachineClass *mc = MACHINE_CLASS(oc); \
 374         optsfn(mc); \
 375         mc->init = initfn; \
 376     } \
 377     static const TypeInfo pc_machine_type_##suffix = { \
 378         .name       = namestr TYPE_MACHINE_SUFFIX, \
 379         .parent     = TYPE_PC_MACHINE, \
 380         .class_init = pc_machine_##suffix##_class_init, \
 381     }; \
 382     static void pc_machine_init_##suffix(void) \
 383     { \
 384         type_register(&pc_machine_type_##suffix); \
 385     } \
 386     type_init(pc_machine_init_##suffix)
 387
 388 extern void igd_passthrough_isa_bridge_create(PCIBus *bus, uint16_t gpu_dev_id);
 389 #endif