xref: /qemu/include/hw/i386/pc.h (revision 76eb88b1)
1 #ifndef HW_PC_H
2 #define HW_PC_H
3 
4 #include "qemu/notify.h"
5 #include "qapi/qapi-types-common.h"
6 #include "qemu/uuid.h"
7 #include "hw/boards.h"
8 #include "hw/block/fdc.h"
9 #include "hw/block/flash.h"
10 #include "hw/i386/x86.h"
11 
12 #include "hw/acpi/acpi_dev_interface.h"
13 #include "hw/hotplug.h"
14 #include "qom/object.h"
15 #include "hw/i386/sgx-epc.h"
16 #include "hw/firmware/smbios.h"
17 #include "hw/cxl/cxl.h"
18 
19 #define HPET_INTCAP "hpet-intcap"
20 
21 /**
22  * PCMachineState:
23  * @acpi_dev: link to ACPI PM device that performs ACPI hotplug handling
24  * @boot_cpus: number of present VCPUs
25  */
26 typedef struct PCMachineState {
27     /*< private >*/
28     X86MachineState parent_obj;
29 
30     /* <public> */
31 
32     /* State for other subsystems/APIs: */
33     Notifier machine_done;
34 
35     /* Pointers to devices and objects: */
36     PCIBus *bus;
37     I2CBus *smbus;
38     PFlashCFI01 *flash[2];
39     ISADevice *pcspk;
40     DeviceState *iommu;
41 
42     /* Configuration options: */
43     uint64_t max_ram_below_4g;
44     OnOffAuto vmport;
45     SmbiosEntryPointType smbios_entry_point_type;
46 
47     bool acpi_build_enabled;
48     bool smbus_enabled;
49     bool sata_enabled;
50     bool hpet_enabled;
51     bool i8042_enabled;
52     bool default_bus_bypass_iommu;
53     uint64_t max_fw_size;
54 
55     /* ACPI Memory hotplug IO base address */
56     hwaddr memhp_io_base;
57 
58     SGXEPCState sgx_epc;
59     CXLState cxl_devices_state;
60 } PCMachineState;
61 
62 #define PC_MACHINE_ACPI_DEVICE_PROP "acpi-device"
63 #define PC_MACHINE_MAX_RAM_BELOW_4G "max-ram-below-4g"
64 #define PC_MACHINE_DEVMEM_REGION_SIZE "device-memory-region-size"
65 #define PC_MACHINE_VMPORT           "vmport"
66 #define PC_MACHINE_SMBUS            "smbus"
67 #define PC_MACHINE_SATA             "sata"
68 #define PC_MACHINE_I8042            "i8042"
69 #define PC_MACHINE_MAX_FW_SIZE      "max-fw-size"
70 #define PC_MACHINE_SMBIOS_EP        "smbios-entry-point-type"
71 
72 /**
73  * PCMachineClass:
74  *
75  * Compat fields:
76  *
77  * @enforce_aligned_dimm: check that DIMM's address/size is aligned by
78  *                        backend's alignment value if provided
79  * @acpi_data_size: Size of the chunk of memory at the top of RAM
80  *                  for the BIOS ACPI tables and other BIOS
81  *                  datastructures.
82  * @gigabyte_align: Make sure that guest addresses aligned at
83  *                  1Gbyte boundaries get mapped to host
84  *                  addresses aligned at 1Gbyte boundaries. This
85  *                  way we can use 1GByte pages in the host.
86  *
87  */
88 struct PCMachineClass {
89     /*< private >*/
90     X86MachineClass parent_class;
91 
92     /*< public >*/
93 
94     /* Device configuration: */
95     bool pci_enabled;
96     bool kvmclock_enabled;
97     const char *default_nic_model;
98 
99     /* Compat options: */
100 
101     /* Default CPU model version.  See x86_cpu_set_default_version(). */
102     int default_cpu_version;
103 
104     /* ACPI compat: */
105     bool has_acpi_build;
106     bool rsdp_in_ram;
107     int legacy_acpi_table_size;
108     unsigned acpi_data_size;
109     int pci_root_uid;
110 
111     /* SMBIOS compat: */
112     bool smbios_defaults;
113     bool smbios_legacy_mode;
114     bool smbios_uuid_encoded;
115 
116     /* RAM / address space compat: */
117     bool gigabyte_align;
118     bool has_reserved_memory;
119     bool enforce_aligned_dimm;
120     bool broken_reserved_end;
121     bool enforce_amd_1tb_hole;
122 
123     /* generate legacy CPU hotplug AML */
124     bool legacy_cpu_hotplug;
125 
126     /* use PVH to load kernels that support this feature */
127     bool pvh_enabled;
128 
129     /* create kvmclock device even when KVM PV features are not exposed */
130     bool kvmclock_create_always;
131 
132     /* skip passing an rng seed for legacy machines */
133     bool legacy_no_rng_seed;
134 };
135 
136 #define TYPE_PC_MACHINE "generic-pc-machine"
137 OBJECT_DECLARE_TYPE(PCMachineState, PCMachineClass, PC_MACHINE)
138 
139 /* ioapic.c */
140 
141 GSIState *pc_gsi_create(qemu_irq **irqs, bool pci_enabled);
142 
143 /* pc.c */
144 extern int fd_bootchk;
145 
146 void pc_acpi_smi_interrupt(void *opaque, int irq, int level);
147 
148 void pc_guest_info_init(PCMachineState *pcms);
149 
150 #define PCI_HOST_PROP_PCI_HOLE_START   "pci-hole-start"
151 #define PCI_HOST_PROP_PCI_HOLE_END     "pci-hole-end"
152 #define PCI_HOST_PROP_PCI_HOLE64_START "pci-hole64-start"
153 #define PCI_HOST_PROP_PCI_HOLE64_END   "pci-hole64-end"
154 #define PCI_HOST_PROP_PCI_HOLE64_SIZE  "pci-hole64-size"
155 #define PCI_HOST_BELOW_4G_MEM_SIZE     "below-4g-mem-size"
156 #define PCI_HOST_ABOVE_4G_MEM_SIZE     "above-4g-mem-size"
157 
158 
159 void pc_pci_as_mapping_init(Object *owner, MemoryRegion *system_memory,
160                             MemoryRegion *pci_address_space);
161 
162 void xen_load_linux(PCMachineState *pcms);
163 void pc_memory_init(PCMachineState *pcms,
164                     MemoryRegion *system_memory,
165                     MemoryRegion *rom_memory,
166                     MemoryRegion **ram_memory,
167                     uint64_t pci_hole64_size);
168 uint64_t pc_pci_hole64_start(void);
169 DeviceState *pc_vga_init(ISABus *isa_bus, PCIBus *pci_bus);
170 void pc_basic_device_init(struct PCMachineState *pcms,
171                           ISABus *isa_bus, qemu_irq *gsi,
172                           ISADevice **rtc_state,
173                           bool create_fdctrl,
174                           uint32_t hpet_irqs);
175 void pc_cmos_init(PCMachineState *pcms,
176                   BusState *ide0, BusState *ide1,
177                   ISADevice *s);
178 void pc_nic_init(PCMachineClass *pcmc, ISABus *isa_bus, PCIBus *pci_bus);
179 
180 void pc_i8259_create(ISABus *isa_bus, qemu_irq *i8259_irqs);
181 
182 /* port92.c */
183 #define PORT92_A20_LINE "a20"
184 
185 #define TYPE_PORT92 "port92"
186 
187 /* pc_sysfw.c */
188 void pc_system_flash_create(PCMachineState *pcms);
189 void pc_system_flash_cleanup_unused(PCMachineState *pcms);
190 void pc_system_firmware_init(PCMachineState *pcms, MemoryRegion *rom_memory);
191 bool pc_system_ovmf_table_find(const char *entry, uint8_t **data,
192                                int *data_len);
193 void pc_system_parse_ovmf_flash(uint8_t *flash_ptr, size_t flash_size);
194 
195 /* hw/i386/acpi-common.c */
196 void pc_madt_cpu_entry(AcpiDeviceIf *adev, int uid,
197                        const CPUArchIdList *apic_ids, GArray *entry,
198                        bool force_enabled);
199 
200 /* sgx.c */
201 void pc_machine_init_sgx_epc(PCMachineState *pcms);
202 
203 extern GlobalProperty pc_compat_7_1[];
204 extern const size_t pc_compat_7_1_len;
205 
206 extern GlobalProperty pc_compat_7_0[];
207 extern const size_t pc_compat_7_0_len;
208 
209 extern GlobalProperty pc_compat_6_2[];
210 extern const size_t pc_compat_6_2_len;
211 
212 extern GlobalProperty pc_compat_6_1[];
213 extern const size_t pc_compat_6_1_len;
214 
215 extern GlobalProperty pc_compat_6_0[];
216 extern const size_t pc_compat_6_0_len;
217 
218 extern GlobalProperty pc_compat_5_2[];
219 extern const size_t pc_compat_5_2_len;
220 
221 extern GlobalProperty pc_compat_5_1[];
222 extern const size_t pc_compat_5_1_len;
223 
224 extern GlobalProperty pc_compat_5_0[];
225 extern const size_t pc_compat_5_0_len;
226 
227 extern GlobalProperty pc_compat_4_2[];
228 extern const size_t pc_compat_4_2_len;
229 
230 extern GlobalProperty pc_compat_4_1[];
231 extern const size_t pc_compat_4_1_len;
232 
233 extern GlobalProperty pc_compat_4_0[];
234 extern const size_t pc_compat_4_0_len;
235 
236 extern GlobalProperty pc_compat_3_1[];
237 extern const size_t pc_compat_3_1_len;
238 
239 extern GlobalProperty pc_compat_3_0[];
240 extern const size_t pc_compat_3_0_len;
241 
242 extern GlobalProperty pc_compat_2_12[];
243 extern const size_t pc_compat_2_12_len;
244 
245 extern GlobalProperty pc_compat_2_11[];
246 extern const size_t pc_compat_2_11_len;
247 
248 extern GlobalProperty pc_compat_2_10[];
249 extern const size_t pc_compat_2_10_len;
250 
251 extern GlobalProperty pc_compat_2_9[];
252 extern const size_t pc_compat_2_9_len;
253 
254 extern GlobalProperty pc_compat_2_8[];
255 extern const size_t pc_compat_2_8_len;
256 
257 extern GlobalProperty pc_compat_2_7[];
258 extern const size_t pc_compat_2_7_len;
259 
260 extern GlobalProperty pc_compat_2_6[];
261 extern const size_t pc_compat_2_6_len;
262 
263 extern GlobalProperty pc_compat_2_5[];
264 extern const size_t pc_compat_2_5_len;
265 
266 extern GlobalProperty pc_compat_2_4[];
267 extern const size_t pc_compat_2_4_len;
268 
269 extern GlobalProperty pc_compat_2_3[];
270 extern const size_t pc_compat_2_3_len;
271 
272 extern GlobalProperty pc_compat_2_2[];
273 extern const size_t pc_compat_2_2_len;
274 
275 extern GlobalProperty pc_compat_2_1[];
276 extern const size_t pc_compat_2_1_len;
277 
278 extern GlobalProperty pc_compat_2_0[];
279 extern const size_t pc_compat_2_0_len;
280 
281 extern GlobalProperty pc_compat_1_7[];
282 extern const size_t pc_compat_1_7_len;
283 
284 extern GlobalProperty pc_compat_1_6[];
285 extern const size_t pc_compat_1_6_len;
286 
287 extern GlobalProperty pc_compat_1_5[];
288 extern const size_t pc_compat_1_5_len;
289 
290 extern GlobalProperty pc_compat_1_4[];
291 extern const size_t pc_compat_1_4_len;
292 
293 #define DEFINE_PC_MACHINE(suffix, namestr, initfn, optsfn) \
294     static void pc_machine_##suffix##_class_init(ObjectClass *oc, void *data) \
295     { \
296         MachineClass *mc = MACHINE_CLASS(oc); \
297         optsfn(mc); \
298         mc->init = initfn; \
299     } \
300     static const TypeInfo pc_machine_type_##suffix = { \
301         .name       = namestr TYPE_MACHINE_SUFFIX, \
302         .parent     = TYPE_PC_MACHINE, \
303         .class_init = pc_machine_##suffix##_class_init, \
304     }; \
305     static void pc_machine_init_##suffix(void) \
306     { \
307         type_register(&pc_machine_type_##suffix); \
308     } \
309     type_init(pc_machine_init_##suffix)
310 
311 #endif
312