include/hw/i386/pc.h

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