xref: /qemu/include/hw/i386/pc.h (revision d884e272)
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/hotplug.h"
13 #include "qom/object.h"
14 #include "hw/i386/sgx-epc.h"
15 #include "hw/cxl/cxl.h"
16 
17 #define MAX_IDE_BUS 2
18 
19 /**
20  * PCMachineState:
21  * @acpi_dev: link to ACPI PM device that performs ACPI hotplug handling
22  * @boot_cpus: number of present VCPUs
23  */
24 typedef struct PCMachineState {
25     /*< private >*/
26     X86MachineState parent_obj;
27 
28     /* <public> */
29 
30     /* State for other subsystems/APIs: */
31     Notifier machine_done;
32 
33     /* Pointers to devices and objects: */
34     PCIBus *pcibus;
35     I2CBus *smbus;
36     PFlashCFI01 *flash[2];
37     ISADevice *pcspk;
38     DeviceState *iommu;
39     BusState *idebus[MAX_IDE_BUS];
40 
41     /* Configuration options: */
42     uint64_t max_ram_below_4g;
43     OnOffAuto vmport;
44     SmbiosEntryPointType smbios_entry_point_type;
45     const char *south_bridge;
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     bool fd_bootchk;
54     uint64_t max_fw_size;
55 
56     /* ACPI Memory hotplug IO base address */
57     hwaddr memhp_io_base;
58 
59     SGXEPCState sgx_epc;
60     CXLState cxl_devices_state;
61 } PCMachineState;
62 
63 #define PC_MACHINE_ACPI_DEVICE_PROP "acpi-device"
64 #define PC_MACHINE_MAX_RAM_BELOW_4G "max-ram-below-4g"
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     const char *default_south_bridge;
97 
98     /* Compat options: */
99 
100     /* Default CPU model version.  See x86_cpu_set_default_version(). */
101     int default_cpu_version;
102 
103     /* ACPI compat: */
104     bool has_acpi_build;
105     bool rsdp_in_ram;
106     int legacy_acpi_table_size;
107     unsigned acpi_data_size;
108     int pci_root_uid;
109 
110     /* SMBIOS compat: */
111     bool smbios_defaults;
112     bool smbios_legacy_mode;
113     bool smbios_uuid_encoded;
114     SmbiosEntryPointType default_smbios_ep_type;
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     /* resizable acpi blob compat */
133     bool resizable_acpi_blob;
134 
135     /*
136      * whether the machine type implements broken 32-bit address space bound
137      * check for memory.
138      */
139     bool broken_32bit_mem_addr_check;
140 };
141 
142 #define TYPE_PC_MACHINE "generic-pc-machine"
143 OBJECT_DECLARE_TYPE(PCMachineState, PCMachineClass, PC_MACHINE)
144 
145 /* ioapic.c */
146 
147 GSIState *pc_gsi_create(qemu_irq **irqs, bool pci_enabled);
148 
149 /* pc.c */
150 
151 void pc_acpi_smi_interrupt(void *opaque, int irq, int level);
152 
153 #define PCI_HOST_PROP_RAM_MEM          "ram-mem"
154 #define PCI_HOST_PROP_PCI_MEM          "pci-mem"
155 #define PCI_HOST_PROP_SYSTEM_MEM       "system-mem"
156 #define PCI_HOST_PROP_IO_MEM           "io-mem"
157 #define PCI_HOST_PROP_PCI_HOLE_START   "pci-hole-start"
158 #define PCI_HOST_PROP_PCI_HOLE_END     "pci-hole-end"
159 #define PCI_HOST_PROP_PCI_HOLE64_START "pci-hole64-start"
160 #define PCI_HOST_PROP_PCI_HOLE64_END   "pci-hole64-end"
161 #define PCI_HOST_PROP_PCI_HOLE64_SIZE  "pci-hole64-size"
162 #define PCI_HOST_BELOW_4G_MEM_SIZE     "below-4g-mem-size"
163 #define PCI_HOST_ABOVE_4G_MEM_SIZE     "above-4g-mem-size"
164 
165 
166 void pc_pci_as_mapping_init(MemoryRegion *system_memory,
167                             MemoryRegion *pci_address_space);
168 
169 void xen_load_linux(PCMachineState *pcms);
170 void pc_memory_init(PCMachineState *pcms,
171                     MemoryRegion *system_memory,
172                     MemoryRegion *rom_memory,
173                     uint64_t pci_hole64_size);
174 uint64_t pc_pci_hole64_start(void);
175 DeviceState *pc_vga_init(ISABus *isa_bus, PCIBus *pci_bus);
176 void pc_basic_device_init(struct PCMachineState *pcms,
177                           ISABus *isa_bus, qemu_irq *gsi,
178                           ISADevice *rtc_state,
179                           bool create_fdctrl,
180                           uint32_t hpet_irqs);
181 void pc_cmos_init(PCMachineState *pcms,
182                   ISADevice *s);
183 void pc_nic_init(PCMachineClass *pcmc, ISABus *isa_bus, PCIBus *pci_bus);
184 
185 void pc_i8259_create(ISABus *isa_bus, qemu_irq *i8259_irqs);
186 
187 /* port92.c */
188 #define PORT92_A20_LINE "a20"
189 
190 #define TYPE_PORT92 "port92"
191 
192 /* pc_sysfw.c */
193 void pc_system_firmware_init(PCMachineState *pcms, MemoryRegion *rom_memory);
194 bool pc_system_ovmf_table_find(const char *entry, uint8_t **data,
195                                int *data_len);
196 void pc_system_parse_ovmf_flash(uint8_t *flash_ptr, size_t flash_size);
197 
198 /* sgx.c */
199 void pc_machine_init_sgx_epc(PCMachineState *pcms);
200 
201 extern GlobalProperty pc_compat_8_2[];
202 extern const size_t pc_compat_8_2_len;
203 
204 extern GlobalProperty pc_compat_8_1[];
205 extern const size_t pc_compat_8_1_len;
206 
207 extern GlobalProperty pc_compat_8_0[];
208 extern const size_t pc_compat_8_0_len;
209 
210 extern GlobalProperty pc_compat_7_2[];
211 extern const size_t pc_compat_7_2_len;
212 
213 extern GlobalProperty pc_compat_7_1[];
214 extern const size_t pc_compat_7_1_len;
215 
216 extern GlobalProperty pc_compat_7_0[];
217 extern const size_t pc_compat_7_0_len;
218 
219 extern GlobalProperty pc_compat_6_2[];
220 extern const size_t pc_compat_6_2_len;
221 
222 extern GlobalProperty pc_compat_6_1[];
223 extern const size_t pc_compat_6_1_len;
224 
225 extern GlobalProperty pc_compat_6_0[];
226 extern const size_t pc_compat_6_0_len;
227 
228 extern GlobalProperty pc_compat_5_2[];
229 extern const size_t pc_compat_5_2_len;
230 
231 extern GlobalProperty pc_compat_5_1[];
232 extern const size_t pc_compat_5_1_len;
233 
234 extern GlobalProperty pc_compat_5_0[];
235 extern const size_t pc_compat_5_0_len;
236 
237 extern GlobalProperty pc_compat_4_2[];
238 extern const size_t pc_compat_4_2_len;
239 
240 extern GlobalProperty pc_compat_4_1[];
241 extern const size_t pc_compat_4_1_len;
242 
243 extern GlobalProperty pc_compat_4_0[];
244 extern const size_t pc_compat_4_0_len;
245 
246 extern GlobalProperty pc_compat_3_1[];
247 extern const size_t pc_compat_3_1_len;
248 
249 extern GlobalProperty pc_compat_3_0[];
250 extern const size_t pc_compat_3_0_len;
251 
252 extern GlobalProperty pc_compat_2_12[];
253 extern const size_t pc_compat_2_12_len;
254 
255 extern GlobalProperty pc_compat_2_11[];
256 extern const size_t pc_compat_2_11_len;
257 
258 extern GlobalProperty pc_compat_2_10[];
259 extern const size_t pc_compat_2_10_len;
260 
261 extern GlobalProperty pc_compat_2_9[];
262 extern const size_t pc_compat_2_9_len;
263 
264 extern GlobalProperty pc_compat_2_8[];
265 extern const size_t pc_compat_2_8_len;
266 
267 extern GlobalProperty pc_compat_2_7[];
268 extern const size_t pc_compat_2_7_len;
269 
270 extern GlobalProperty pc_compat_2_6[];
271 extern const size_t pc_compat_2_6_len;
272 
273 extern GlobalProperty pc_compat_2_5[];
274 extern const size_t pc_compat_2_5_len;
275 
276 extern GlobalProperty pc_compat_2_4[];
277 extern const size_t pc_compat_2_4_len;
278 
279 extern GlobalProperty pc_compat_2_3[];
280 extern const size_t pc_compat_2_3_len;
281 
282 extern GlobalProperty pc_compat_2_2[];
283 extern const size_t pc_compat_2_2_len;
284 
285 extern GlobalProperty pc_compat_2_1[];
286 extern const size_t pc_compat_2_1_len;
287 
288 extern GlobalProperty pc_compat_2_0[];
289 extern const size_t pc_compat_2_0_len;
290 
291 #define DEFINE_PC_MACHINE(suffix, namestr, initfn, optsfn) \
292     static void pc_machine_##suffix##_class_init(ObjectClass *oc, void *data) \
293     { \
294         MachineClass *mc = MACHINE_CLASS(oc); \
295         optsfn(mc); \
296         mc->init = initfn; \
297     } \
298     static const TypeInfo pc_machine_type_##suffix = { \
299         .name       = namestr TYPE_MACHINE_SUFFIX, \
300         .parent     = TYPE_PC_MACHINE, \
301         .class_init = pc_machine_##suffix##_class_init, \
302     }; \
303     static void pc_machine_init_##suffix(void) \
304     { \
305         type_register(&pc_machine_type_##suffix); \
306     } \
307     type_init(pc_machine_init_##suffix)
308 
309 #endif
310