xref: /qemu/include/hw/i386/pc.h (revision 89260905)
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 "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  * @smp_dies: number of dies per one package
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     GMappedFile *initrd_mapped_file;
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     /* Default CPU model version.  See x86_cpu_set_default_version(). */
113     int default_cpu_version;
114 
115     /* ACPI compat: */
116     bool has_acpi_build;
117     bool rsdp_in_ram;
118     int legacy_acpi_table_size;
119     unsigned acpi_data_size;
120 
121     /* SMBIOS compat: */
122     bool smbios_defaults;
123     bool smbios_legacy_mode;
124     bool smbios_uuid_encoded;
125 
126     /* RAM / address space compat: */
127     bool gigabyte_align;
128     bool has_reserved_memory;
129     bool enforce_aligned_dimm;
130     bool broken_reserved_end;
131 
132     /* TSC rate migration: */
133     bool save_tsc_khz;
134     /* generate legacy CPU hotplug AML */
135     bool legacy_cpu_hotplug;
136 
137     /* use DMA capable linuxboot option rom */
138     bool linuxboot_dma_enabled;
139 
140     /* use PVH to load kernels that support this feature */
141     bool pvh_enabled;
142 
143     /* Enables contiguous-apic-ID mode */
144     bool compat_apic_id_mode;
145 } PCMachineClass;
146 
147 #define TYPE_PC_MACHINE "generic-pc-machine"
148 #define PC_MACHINE(obj) \
149     OBJECT_CHECK(PCMachineState, (obj), TYPE_PC_MACHINE)
150 #define PC_MACHINE_GET_CLASS(obj) \
151     OBJECT_GET_CLASS(PCMachineClass, (obj), TYPE_PC_MACHINE)
152 #define PC_MACHINE_CLASS(klass) \
153     OBJECT_CLASS_CHECK(PCMachineClass, (klass), TYPE_PC_MACHINE)
154 
155 /* i8259.c */
156 
157 extern DeviceState *isa_pic;
158 qemu_irq *i8259_init(ISABus *bus, qemu_irq parent_irq);
159 qemu_irq *kvm_i8259_init(ISABus *bus);
160 int pic_read_irq(DeviceState *d);
161 int pic_get_output(DeviceState *d);
162 
163 /* ioapic.c */
164 
165 /* Global System Interrupts */
166 
167 #define GSI_NUM_PINS IOAPIC_NUM_PINS
168 
169 typedef struct GSIState {
170     qemu_irq i8259_irq[ISA_NUM_IRQS];
171     qemu_irq ioapic_irq[IOAPIC_NUM_PINS];
172 } GSIState;
173 
174 void gsi_handler(void *opaque, int n, int level);
175 
176 /* vmport.c */
177 #define TYPE_VMPORT "vmport"
178 typedef uint32_t (VMPortReadFunc)(void *opaque, uint32_t address);
179 
180 static inline void vmport_init(ISABus *bus)
181 {
182     isa_create_simple(bus, TYPE_VMPORT);
183 }
184 
185 void vmport_register(unsigned char command, VMPortReadFunc *func, void *opaque);
186 void vmmouse_get_data(uint32_t *data);
187 void vmmouse_set_data(const uint32_t *data);
188 
189 /* pc.c */
190 extern int fd_bootchk;
191 
192 bool pc_machine_is_smm_enabled(PCMachineState *pcms);
193 void pc_register_ferr_irq(qemu_irq irq);
194 void pc_acpi_smi_interrupt(void *opaque, int irq, int level);
195 
196 void pc_cpus_init(PCMachineState *pcms);
197 void pc_hot_add_cpu(MachineState *ms, const int64_t id, Error **errp);
198 void pc_smp_parse(MachineState *ms, QemuOpts *opts);
199 
200 void pc_guest_info_init(PCMachineState *pcms);
201 
202 #define PCI_HOST_PROP_PCI_HOLE_START   "pci-hole-start"
203 #define PCI_HOST_PROP_PCI_HOLE_END     "pci-hole-end"
204 #define PCI_HOST_PROP_PCI_HOLE64_START "pci-hole64-start"
205 #define PCI_HOST_PROP_PCI_HOLE64_END   "pci-hole64-end"
206 #define PCI_HOST_PROP_PCI_HOLE64_SIZE  "pci-hole64-size"
207 #define PCI_HOST_BELOW_4G_MEM_SIZE     "below-4g-mem-size"
208 #define PCI_HOST_ABOVE_4G_MEM_SIZE     "above-4g-mem-size"
209 
210 
211 void pc_pci_as_mapping_init(Object *owner, MemoryRegion *system_memory,
212                             MemoryRegion *pci_address_space);
213 
214 void xen_load_linux(PCMachineState *pcms);
215 void pc_memory_init(PCMachineState *pcms,
216                     MemoryRegion *system_memory,
217                     MemoryRegion *rom_memory,
218                     MemoryRegion **ram_memory);
219 uint64_t pc_pci_hole64_start(void);
220 qemu_irq pc_allocate_cpu_irq(void);
221 DeviceState *pc_vga_init(ISABus *isa_bus, PCIBus *pci_bus);
222 void pc_basic_device_init(ISABus *isa_bus, qemu_irq *gsi,
223                           ISADevice **rtc_state,
224                           bool create_fdctrl,
225                           bool no_vmport,
226                           bool has_pit,
227                           uint32_t hpet_irqs);
228 void pc_init_ne2k_isa(ISABus *bus, NICInfo *nd);
229 void pc_cmos_init(PCMachineState *pcms,
230                   BusState *ide0, BusState *ide1,
231                   ISADevice *s);
232 void pc_nic_init(PCMachineClass *pcmc, ISABus *isa_bus, PCIBus *pci_bus);
233 void pc_pci_device_init(PCIBus *pci_bus);
234 
235 typedef void (*cpu_set_smm_t)(int smm, void *arg);
236 
237 void ioapic_init_gsi(GSIState *gsi_state, const char *parent_name);
238 
239 ISADevice *pc_find_fdc0(void);
240 int cmos_get_fd_drive_type(FloppyDriveType fd0);
241 
242 #define FW_CFG_IO_BASE     0x510
243 
244 #define PORT92_A20_LINE "a20"
245 
246 /* acpi_piix.c */
247 
248 I2CBus *piix4_pm_init(PCIBus *bus, int devfn, uint32_t smb_io_base,
249                       qemu_irq sci_irq, qemu_irq smi_irq,
250                       int smm_enabled, DeviceState **piix4_pm);
251 
252 /* hpet.c */
253 extern int no_hpet;
254 
255 /* piix_pci.c */
256 struct PCII440FXState;
257 typedef struct PCII440FXState PCII440FXState;
258 
259 #define TYPE_I440FX_PCI_HOST_BRIDGE "i440FX-pcihost"
260 #define TYPE_I440FX_PCI_DEVICE "i440FX"
261 
262 #define TYPE_IGD_PASSTHROUGH_I440FX_PCI_DEVICE "igd-passthrough-i440FX"
263 
264 /*
265  * Reset Control Register: PCI-accessible ISA-Compatible Register at address
266  * 0xcf9, provided by the PCI/ISA bridge (PIIX3 PCI function 0, 8086:7000).
267  */
268 #define RCR_IOPORT 0xcf9
269 
270 PCIBus *i440fx_init(const char *host_type, const char *pci_type,
271                     PCII440FXState **pi440fx_state, int *piix_devfn,
272                     ISABus **isa_bus, qemu_irq *pic,
273                     MemoryRegion *address_space_mem,
274                     MemoryRegion *address_space_io,
275                     ram_addr_t ram_size,
276                     ram_addr_t below_4g_mem_size,
277                     ram_addr_t above_4g_mem_size,
278                     MemoryRegion *pci_memory,
279                     MemoryRegion *ram_memory);
280 
281 PCIBus *find_i440fx(void);
282 /* piix4.c */
283 extern PCIDevice *piix4_dev;
284 int piix4_init(PCIBus *bus, ISABus **isa_bus, int devfn);
285 
286 /* pc_sysfw.c */
287 void pc_system_flash_create(PCMachineState *pcms);
288 void pc_system_firmware_init(PCMachineState *pcms, MemoryRegion *rom_memory);
289 
290 /* acpi-build.c */
291 void pc_madt_cpu_entry(AcpiDeviceIf *adev, int uid,
292                        const CPUArchIdList *apic_ids, GArray *entry);
293 
294 /* e820 types */
295 #define E820_RAM        1
296 #define E820_RESERVED   2
297 #define E820_ACPI       3
298 #define E820_NVS        4
299 #define E820_UNUSABLE   5
300 
301 int e820_add_entry(uint64_t, uint64_t, uint32_t);
302 int e820_get_num_entries(void);
303 bool e820_get_entry(int, uint32_t, uint64_t *, uint64_t *);
304 
305 extern GlobalProperty pc_compat_4_1[];
306 extern const size_t pc_compat_4_1_len;
307 
308 extern GlobalProperty pc_compat_4_0[];
309 extern const size_t pc_compat_4_0_len;
310 
311 extern GlobalProperty pc_compat_3_1[];
312 extern const size_t pc_compat_3_1_len;
313 
314 extern GlobalProperty pc_compat_3_0[];
315 extern const size_t pc_compat_3_0_len;
316 
317 extern GlobalProperty pc_compat_2_12[];
318 extern const size_t pc_compat_2_12_len;
319 
320 extern GlobalProperty pc_compat_2_11[];
321 extern const size_t pc_compat_2_11_len;
322 
323 extern GlobalProperty pc_compat_2_10[];
324 extern const size_t pc_compat_2_10_len;
325 
326 extern GlobalProperty pc_compat_2_9[];
327 extern const size_t pc_compat_2_9_len;
328 
329 extern GlobalProperty pc_compat_2_8[];
330 extern const size_t pc_compat_2_8_len;
331 
332 extern GlobalProperty pc_compat_2_7[];
333 extern const size_t pc_compat_2_7_len;
334 
335 extern GlobalProperty pc_compat_2_6[];
336 extern const size_t pc_compat_2_6_len;
337 
338 extern GlobalProperty pc_compat_2_5[];
339 extern const size_t pc_compat_2_5_len;
340 
341 extern GlobalProperty pc_compat_2_4[];
342 extern const size_t pc_compat_2_4_len;
343 
344 extern GlobalProperty pc_compat_2_3[];
345 extern const size_t pc_compat_2_3_len;
346 
347 extern GlobalProperty pc_compat_2_2[];
348 extern const size_t pc_compat_2_2_len;
349 
350 extern GlobalProperty pc_compat_2_1[];
351 extern const size_t pc_compat_2_1_len;
352 
353 extern GlobalProperty pc_compat_2_0[];
354 extern const size_t pc_compat_2_0_len;
355 
356 extern GlobalProperty pc_compat_1_7[];
357 extern const size_t pc_compat_1_7_len;
358 
359 extern GlobalProperty pc_compat_1_6[];
360 extern const size_t pc_compat_1_6_len;
361 
362 extern GlobalProperty pc_compat_1_5[];
363 extern const size_t pc_compat_1_5_len;
364 
365 extern GlobalProperty pc_compat_1_4[];
366 extern const size_t pc_compat_1_4_len;
367 
368 /* Helper for setting model-id for CPU models that changed model-id
369  * depending on QEMU versions up to QEMU 2.4.
370  */
371 #define PC_CPU_MODEL_IDS(v) \
372     { "qemu32-" TYPE_X86_CPU, "model-id", "QEMU Virtual CPU version " v, },\
373     { "qemu64-" TYPE_X86_CPU, "model-id", "QEMU Virtual CPU version " v, },\
374     { "athlon-" TYPE_X86_CPU, "model-id", "QEMU Virtual CPU version " v, },
375 
376 #define DEFINE_PC_MACHINE(suffix, namestr, initfn, optsfn) \
377     static void pc_machine_##suffix##_class_init(ObjectClass *oc, void *data) \
378     { \
379         MachineClass *mc = MACHINE_CLASS(oc); \
380         optsfn(mc); \
381         mc->init = initfn; \
382     } \
383     static const TypeInfo pc_machine_type_##suffix = { \
384         .name       = namestr TYPE_MACHINE_SUFFIX, \
385         .parent     = TYPE_PC_MACHINE, \
386         .class_init = pc_machine_##suffix##_class_init, \
387     }; \
388     static void pc_machine_init_##suffix(void) \
389     { \
390         type_register(&pc_machine_type_##suffix); \
391     } \
392     type_init(pc_machine_init_##suffix)
393 
394 extern void igd_passthrough_isa_bridge_create(PCIBus *bus, uint16_t gpu_dev_id);
395 #endif
396