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 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 }; 137 138 #define TYPE_PC_MACHINE "generic-pc-machine" 139 #define PC_MACHINE(obj) \ 140 OBJECT_CHECK(PCMachineState, (obj), TYPE_PC_MACHINE) 141 #define PC_MACHINE_GET_CLASS(obj) \ 142 OBJECT_GET_CLASS(PCMachineClass, (obj), TYPE_PC_MACHINE) 143 #define PC_MACHINE_CLASS(klass) \ 144 OBJECT_CLASS_CHECK(PCMachineClass, (klass), TYPE_PC_MACHINE) 145 146 /* i8259.c */ 147 148 extern DeviceState *isa_pic; 149 qemu_irq *i8259_init(ISABus *bus, qemu_irq parent_irq); 150 qemu_irq *kvm_i8259_init(ISABus *bus); 151 int pic_read_irq(DeviceState *d); 152 int pic_get_output(DeviceState *d); 153 154 /* ioapic.c */ 155 156 /* Global System Interrupts */ 157 158 #define GSI_NUM_PINS IOAPIC_NUM_PINS 159 160 typedef struct GSIState { 161 qemu_irq i8259_irq[ISA_NUM_IRQS]; 162 qemu_irq ioapic_irq[IOAPIC_NUM_PINS]; 163 } GSIState; 164 165 void gsi_handler(void *opaque, int n, int level); 166 167 /* vmport.c */ 168 #define TYPE_VMPORT "vmport" 169 typedef uint32_t (VMPortReadFunc)(void *opaque, uint32_t address); 170 171 static inline void vmport_init(ISABus *bus) 172 { 173 isa_create_simple(bus, TYPE_VMPORT); 174 } 175 176 void vmport_register(unsigned char command, VMPortReadFunc *func, void *opaque); 177 void vmmouse_get_data(uint32_t *data); 178 void vmmouse_set_data(const uint32_t *data); 179 180 /* pc.c */ 181 extern int fd_bootchk; 182 183 bool pc_machine_is_smm_enabled(PCMachineState *pcms); 184 void pc_register_ferr_irq(qemu_irq irq); 185 void pc_acpi_smi_interrupt(void *opaque, int irq, int level); 186 187 void pc_cpus_init(PCMachineState *pcms); 188 void pc_hot_add_cpu(const int64_t id, Error **errp); 189 void pc_acpi_init(const char *default_dsdt); 190 191 void pc_guest_info_init(PCMachineState *pcms); 192 193 #define PCI_HOST_PROP_PCI_HOLE_START "pci-hole-start" 194 #define PCI_HOST_PROP_PCI_HOLE_END "pci-hole-end" 195 #define PCI_HOST_PROP_PCI_HOLE64_START "pci-hole64-start" 196 #define PCI_HOST_PROP_PCI_HOLE64_END "pci-hole64-end" 197 #define PCI_HOST_PROP_PCI_HOLE64_SIZE "pci-hole64-size" 198 #define PCI_HOST_BELOW_4G_MEM_SIZE "below-4g-mem-size" 199 #define PCI_HOST_ABOVE_4G_MEM_SIZE "above-4g-mem-size" 200 201 202 void pc_pci_as_mapping_init(Object *owner, MemoryRegion *system_memory, 203 MemoryRegion *pci_address_space); 204 205 void xen_load_linux(PCMachineState *pcms); 206 void pc_memory_init(PCMachineState *pcms, 207 MemoryRegion *system_memory, 208 MemoryRegion *rom_memory, 209 MemoryRegion **ram_memory); 210 uint64_t pc_pci_hole64_start(void); 211 qemu_irq pc_allocate_cpu_irq(void); 212 DeviceState *pc_vga_init(ISABus *isa_bus, PCIBus *pci_bus); 213 void pc_basic_device_init(ISABus *isa_bus, qemu_irq *gsi, 214 ISADevice **rtc_state, 215 bool create_fdctrl, 216 bool no_vmport, 217 bool has_pit, 218 uint32_t hpet_irqs); 219 void pc_init_ne2k_isa(ISABus *bus, NICInfo *nd); 220 void pc_cmos_init(PCMachineState *pcms, 221 BusState *ide0, BusState *ide1, 222 ISADevice *s); 223 void pc_nic_init(PCMachineClass *pcmc, ISABus *isa_bus, PCIBus *pci_bus); 224 void pc_pci_device_init(PCIBus *pci_bus); 225 226 typedef void (*cpu_set_smm_t)(int smm, void *arg); 227 228 void ioapic_init_gsi(GSIState *gsi_state, const char *parent_name); 229 230 ISADevice *pc_find_fdc0(void); 231 int cmos_get_fd_drive_type(FloppyDriveType fd0); 232 233 #define FW_CFG_IO_BASE 0x510 234 235 #define PORT92_A20_LINE "a20" 236 237 /* acpi_piix.c */ 238 239 I2CBus *piix4_pm_init(PCIBus *bus, int devfn, uint32_t smb_io_base, 240 qemu_irq sci_irq, qemu_irq smi_irq, 241 int smm_enabled, DeviceState **piix4_pm); 242 243 /* hpet.c */ 244 extern int no_hpet; 245 246 /* piix_pci.c */ 247 struct PCII440FXState; 248 typedef struct PCII440FXState PCII440FXState; 249 250 #define TYPE_I440FX_PCI_HOST_BRIDGE "i440FX-pcihost" 251 #define TYPE_I440FX_PCI_DEVICE "i440FX" 252 253 #define TYPE_IGD_PASSTHROUGH_I440FX_PCI_DEVICE "igd-passthrough-i440FX" 254 255 /* 256 * Reset Control Register: PCI-accessible ISA-Compatible Register at address 257 * 0xcf9, provided by the PCI/ISA bridge (PIIX3 PCI function 0, 8086:7000). 258 */ 259 #define RCR_IOPORT 0xcf9 260 261 PCIBus *i440fx_init(const char *host_type, const char *pci_type, 262 PCII440FXState **pi440fx_state, int *piix_devfn, 263 ISABus **isa_bus, qemu_irq *pic, 264 MemoryRegion *address_space_mem, 265 MemoryRegion *address_space_io, 266 ram_addr_t ram_size, 267 ram_addr_t below_4g_mem_size, 268 ram_addr_t above_4g_mem_size, 269 MemoryRegion *pci_memory, 270 MemoryRegion *ram_memory); 271 272 PCIBus *find_i440fx(void); 273 /* piix4.c */ 274 extern PCIDevice *piix4_dev; 275 int piix4_init(PCIBus *bus, ISABus **isa_bus, int devfn); 276 277 /* pc_sysfw.c */ 278 void pc_system_firmware_init(MemoryRegion *rom_memory, 279 bool isapc_ram_fw); 280 281 /* acpi-build.c */ 282 void pc_madt_cpu_entry(AcpiDeviceIf *adev, int uid, 283 const CPUArchIdList *apic_ids, GArray *entry); 284 285 /* e820 types */ 286 #define E820_RAM 1 287 #define E820_RESERVED 2 288 #define E820_ACPI 3 289 #define E820_NVS 4 290 #define E820_UNUSABLE 5 291 292 int e820_add_entry(uint64_t, uint64_t, uint32_t); 293 int e820_get_num_entries(void); 294 bool e820_get_entry(int, uint32_t, uint64_t *, uint64_t *); 295 296 extern GlobalProperty pc_compat_3_1[]; 297 extern const size_t pc_compat_3_1_len; 298 299 extern GlobalProperty pc_compat_3_0[]; 300 extern const size_t pc_compat_3_0_len; 301 302 extern GlobalProperty pc_compat_2_12[]; 303 extern const size_t pc_compat_2_12_len; 304 305 extern GlobalProperty pc_compat_2_11[]; 306 extern const size_t pc_compat_2_11_len; 307 308 extern GlobalProperty pc_compat_2_10[]; 309 extern const size_t pc_compat_2_10_len; 310 311 extern GlobalProperty pc_compat_2_9[]; 312 extern const size_t pc_compat_2_9_len; 313 314 extern GlobalProperty pc_compat_2_8[]; 315 extern const size_t pc_compat_2_8_len; 316 317 extern GlobalProperty pc_compat_2_7[]; 318 extern const size_t pc_compat_2_7_len; 319 320 extern GlobalProperty pc_compat_2_6[]; 321 extern const size_t pc_compat_2_6_len; 322 323 extern GlobalProperty pc_compat_2_5[]; 324 extern const size_t pc_compat_2_5_len; 325 326 extern GlobalProperty pc_compat_2_4[]; 327 extern const size_t pc_compat_2_4_len; 328 329 extern GlobalProperty pc_compat_2_3[]; 330 extern const size_t pc_compat_2_3_len; 331 332 extern GlobalProperty pc_compat_2_2[]; 333 extern const size_t pc_compat_2_2_len; 334 335 extern GlobalProperty pc_compat_2_1[]; 336 extern const size_t pc_compat_2_1_len; 337 338 extern GlobalProperty pc_compat_2_0[]; 339 extern const size_t pc_compat_2_0_len; 340 341 extern GlobalProperty pc_compat_1_7[]; 342 extern const size_t pc_compat_1_7_len; 343 344 extern GlobalProperty pc_compat_1_6[]; 345 extern const size_t pc_compat_1_6_len; 346 347 extern GlobalProperty pc_compat_1_5[]; 348 extern const size_t pc_compat_1_5_len; 349 350 extern GlobalProperty pc_compat_1_4[]; 351 extern const size_t pc_compat_1_4_len; 352 353 /* Helper for setting model-id for CPU models that changed model-id 354 * depending on QEMU versions up to QEMU 2.4. 355 */ 356 #define PC_CPU_MODEL_IDS(v) \ 357 {\ 358 .driver = "qemu32-" TYPE_X86_CPU,\ 359 .property = "model-id",\ 360 .value = "QEMU Virtual CPU version " v,\ 361 },\ 362 {\ 363 .driver = "qemu64-" TYPE_X86_CPU,\ 364 .property = "model-id",\ 365 .value = "QEMU Virtual CPU version " v,\ 366 },\ 367 {\ 368 .driver = "athlon-" TYPE_X86_CPU,\ 369 .property = "model-id",\ 370 .value = "QEMU Virtual CPU version " v,\ 371 }, 372 373 #define DEFINE_PC_MACHINE(suffix, namestr, initfn, optsfn) \ 374 static void pc_machine_##suffix##_class_init(ObjectClass *oc, void *data) \ 375 { \ 376 MachineClass *mc = MACHINE_CLASS(oc); \ 377 optsfn(mc); \ 378 mc->init = initfn; \ 379 } \ 380 static const TypeInfo pc_machine_type_##suffix = { \ 381 .name = namestr TYPE_MACHINE_SUFFIX, \ 382 .parent = TYPE_PC_MACHINE, \ 383 .class_init = pc_machine_##suffix##_class_init, \ 384 }; \ 385 static void pc_machine_init_##suffix(void) \ 386 { \ 387 type_register(&pc_machine_type_##suffix); \ 388 } \ 389 type_init(pc_machine_init_##suffix) 390 391 extern void igd_passthrough_isa_bridge_create(PCIBus *bus, uint16_t gpu_dev_id); 392 #endif 393