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 "hw/block/flash.h" 10 #include "net/net.h" 11 #include "hw/i386/ioapic.h" 12 13 #include "qemu/range.h" 14 #include "qemu/bitmap.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 */ 28 struct PCMachineState { 29 /*< private >*/ 30 MachineState parent_obj; 31 32 /* <public> */ 33 34 /* State for other subsystems/APIs: */ 35 Notifier machine_done; 36 37 /* Pointers to devices and objects: */ 38 HotplugHandler *acpi_dev; 39 ISADevice *rtc; 40 PCIBus *bus; 41 FWCfgState *fw_cfg; 42 qemu_irq *gsi; 43 PFlashCFI01 *flash[2]; 44 45 /* Configuration options: */ 46 uint64_t max_ram_below_4g; 47 OnOffAuto vmport; 48 OnOffAuto smm; 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_SMBUS "smbus" 78 #define PC_MACHINE_SATA "sata" 79 #define PC_MACHINE_PIT "pit" 80 81 /** 82 * PCMachineClass: 83 * 84 * Compat fields: 85 * 86 * @enforce_aligned_dimm: check that DIMM's address/size is aligned by 87 * backend's alignment value if provided 88 * @acpi_data_size: Size of the chunk of memory at the top of RAM 89 * for the BIOS ACPI tables and other BIOS 90 * datastructures. 91 * @gigabyte_align: Make sure that guest addresses aligned at 92 * 1Gbyte boundaries get mapped to host 93 * addresses aligned at 1Gbyte boundaries. This 94 * way we can use 1GByte pages in the host. 95 * 96 */ 97 typedef struct PCMachineClass { 98 /*< private >*/ 99 MachineClass parent_class; 100 101 /*< public >*/ 102 103 /* Device configuration: */ 104 bool pci_enabled; 105 bool kvmclock_enabled; 106 const char *default_nic_model; 107 108 /* Compat options: */ 109 110 /* ACPI compat: */ 111 bool has_acpi_build; 112 bool rsdp_in_ram; 113 int legacy_acpi_table_size; 114 unsigned acpi_data_size; 115 116 /* SMBIOS compat: */ 117 bool smbios_defaults; 118 bool smbios_legacy_mode; 119 bool smbios_uuid_encoded; 120 121 /* RAM / address space compat: */ 122 bool gigabyte_align; 123 bool has_reserved_memory; 124 bool enforce_aligned_dimm; 125 bool broken_reserved_end; 126 127 /* TSC rate migration: */ 128 bool save_tsc_khz; 129 /* generate legacy CPU hotplug AML */ 130 bool legacy_cpu_hotplug; 131 132 /* use DMA capable linuxboot option rom */ 133 bool linuxboot_dma_enabled; 134 135 /* use PVH to load kernels that support this feature */ 136 bool pvh_enabled; 137 } PCMachineClass; 138 139 #define TYPE_PC_MACHINE "generic-pc-machine" 140 #define PC_MACHINE(obj) \ 141 OBJECT_CHECK(PCMachineState, (obj), TYPE_PC_MACHINE) 142 #define PC_MACHINE_GET_CLASS(obj) \ 143 OBJECT_GET_CLASS(PCMachineClass, (obj), TYPE_PC_MACHINE) 144 #define PC_MACHINE_CLASS(klass) \ 145 OBJECT_CLASS_CHECK(PCMachineClass, (klass), TYPE_PC_MACHINE) 146 147 /* i8259.c */ 148 149 extern DeviceState *isa_pic; 150 qemu_irq *i8259_init(ISABus *bus, qemu_irq parent_irq); 151 qemu_irq *kvm_i8259_init(ISABus *bus); 152 int pic_read_irq(DeviceState *d); 153 int pic_get_output(DeviceState *d); 154 155 /* ioapic.c */ 156 157 /* Global System Interrupts */ 158 159 #define GSI_NUM_PINS IOAPIC_NUM_PINS 160 161 typedef struct GSIState { 162 qemu_irq i8259_irq[ISA_NUM_IRQS]; 163 qemu_irq ioapic_irq[IOAPIC_NUM_PINS]; 164 } GSIState; 165 166 void gsi_handler(void *opaque, int n, int level); 167 168 /* vmport.c */ 169 #define TYPE_VMPORT "vmport" 170 typedef uint32_t (VMPortReadFunc)(void *opaque, uint32_t address); 171 172 static inline void vmport_init(ISABus *bus) 173 { 174 isa_create_simple(bus, TYPE_VMPORT); 175 } 176 177 void vmport_register(unsigned char command, VMPortReadFunc *func, void *opaque); 178 void vmmouse_get_data(uint32_t *data); 179 void vmmouse_set_data(const uint32_t *data); 180 181 /* pc.c */ 182 extern int fd_bootchk; 183 184 bool pc_machine_is_smm_enabled(PCMachineState *pcms); 185 void pc_register_ferr_irq(qemu_irq irq); 186 void pc_acpi_smi_interrupt(void *opaque, int irq, int level); 187 188 void pc_cpus_init(PCMachineState *pcms); 189 void pc_hot_add_cpu(const int64_t id, Error **errp); 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_flash_create(PCMachineState *pcms); 279 void pc_system_firmware_init(PCMachineState *pcms, MemoryRegion *rom_memory); 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_4_0_1[]; 297 extern const size_t pc_compat_4_0_1_len; 298 299 extern GlobalProperty pc_compat_4_0[]; 300 extern const size_t pc_compat_4_0_len; 301 302 extern GlobalProperty pc_compat_3_1[]; 303 extern const size_t pc_compat_3_1_len; 304 305 extern GlobalProperty pc_compat_3_0[]; 306 extern const size_t pc_compat_3_0_len; 307 308 extern GlobalProperty pc_compat_2_12[]; 309 extern const size_t pc_compat_2_12_len; 310 311 extern GlobalProperty pc_compat_2_11[]; 312 extern const size_t pc_compat_2_11_len; 313 314 extern GlobalProperty pc_compat_2_10[]; 315 extern const size_t pc_compat_2_10_len; 316 317 extern GlobalProperty pc_compat_2_9[]; 318 extern const size_t pc_compat_2_9_len; 319 320 extern GlobalProperty pc_compat_2_8[]; 321 extern const size_t pc_compat_2_8_len; 322 323 extern GlobalProperty pc_compat_2_7[]; 324 extern const size_t pc_compat_2_7_len; 325 326 extern GlobalProperty pc_compat_2_6[]; 327 extern const size_t pc_compat_2_6_len; 328 329 extern GlobalProperty pc_compat_2_5[]; 330 extern const size_t pc_compat_2_5_len; 331 332 extern GlobalProperty pc_compat_2_4[]; 333 extern const size_t pc_compat_2_4_len; 334 335 extern GlobalProperty pc_compat_2_3[]; 336 extern const size_t pc_compat_2_3_len; 337 338 extern GlobalProperty pc_compat_2_2[]; 339 extern const size_t pc_compat_2_2_len; 340 341 extern GlobalProperty pc_compat_2_1[]; 342 extern const size_t pc_compat_2_1_len; 343 344 extern GlobalProperty pc_compat_2_0[]; 345 extern const size_t pc_compat_2_0_len; 346 347 extern GlobalProperty pc_compat_1_7[]; 348 extern const size_t pc_compat_1_7_len; 349 350 extern GlobalProperty pc_compat_1_6[]; 351 extern const size_t pc_compat_1_6_len; 352 353 extern GlobalProperty pc_compat_1_5[]; 354 extern const size_t pc_compat_1_5_len; 355 356 extern GlobalProperty pc_compat_1_4[]; 357 extern const size_t pc_compat_1_4_len; 358 359 /* Helper for setting model-id for CPU models that changed model-id 360 * depending on QEMU versions up to QEMU 2.4. 361 */ 362 #define PC_CPU_MODEL_IDS(v) \ 363 { "qemu32-" TYPE_X86_CPU, "model-id", "QEMU Virtual CPU version " v, },\ 364 { "qemu64-" TYPE_X86_CPU, "model-id", "QEMU Virtual CPU version " v, },\ 365 { "athlon-" TYPE_X86_CPU, "model-id", "QEMU Virtual CPU version " v, }, 366 367 #define DEFINE_PC_MACHINE(suffix, namestr, initfn, optsfn) \ 368 static void pc_machine_##suffix##_class_init(ObjectClass *oc, void *data) \ 369 { \ 370 MachineClass *mc = MACHINE_CLASS(oc); \ 371 optsfn(mc); \ 372 mc->init = initfn; \ 373 } \ 374 static const TypeInfo pc_machine_type_##suffix = { \ 375 .name = namestr TYPE_MACHINE_SUFFIX, \ 376 .parent = TYPE_PC_MACHINE, \ 377 .class_init = pc_machine_##suffix##_class_init, \ 378 }; \ 379 static void pc_machine_init_##suffix(void) \ 380 { \ 381 type_register(&pc_machine_type_##suffix); \ 382 } \ 383 type_init(pc_machine_init_##suffix) 384 385 extern void igd_passthrough_isa_bridge_create(PCIBus *bus, uint16_t gpu_dev_id); 386 #endif 387