xref: /qemu/include/hw/i386/pc.h (revision a8bf9de2)
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/firmware/smbios.h"
16 #include "hw/cxl/cxl.h"
17 
18 /**
19  * PCMachineState:
20  * @acpi_dev: link to ACPI PM device that performs ACPI hotplug handling
21  * @boot_cpus: number of present VCPUs
22  */
23 typedef struct PCMachineState {
24     /*< private >*/
25     X86MachineState parent_obj;
26 
27     /* <public> */
28 
29     /* State for other subsystems/APIs: */
30     Notifier machine_done;
31 
32     /* Pointers to devices and objects: */
33     PCIBus *bus;
34     I2CBus *smbus;
35     PFlashCFI01 *flash[2];
36     ISADevice *pcspk;
37     DeviceState *iommu;
38 
39     /* Configuration options: */
40     uint64_t max_ram_below_4g;
41     OnOffAuto vmport;
42     SmbiosEntryPointType smbios_entry_point_type;
43     const char *south_bridge;
44 
45     bool acpi_build_enabled;
46     bool smbus_enabled;
47     bool sata_enabled;
48     bool hpet_enabled;
49     bool i8042_enabled;
50     bool default_bus_bypass_iommu;
51     uint64_t max_fw_size;
52 
53     /* ACPI Memory hotplug IO base address */
54     hwaddr memhp_io_base;
55 
56     SGXEPCState sgx_epc;
57     CXLState cxl_devices_state;
58 } PCMachineState;
59 
60 #define PC_MACHINE_ACPI_DEVICE_PROP "acpi-device"
61 #define PC_MACHINE_MAX_RAM_BELOW_4G "max-ram-below-4g"
62 #define PC_MACHINE_VMPORT           "vmport"
63 #define PC_MACHINE_SMBUS            "smbus"
64 #define PC_MACHINE_SATA             "sata"
65 #define PC_MACHINE_I8042            "i8042"
66 #define PC_MACHINE_MAX_FW_SIZE      "max-fw-size"
67 #define PC_MACHINE_SMBIOS_EP        "smbios-entry-point-type"
68 
69 /**
70  * PCMachineClass:
71  *
72  * Compat fields:
73  *
74  * @enforce_aligned_dimm: check that DIMM's address/size is aligned by
75  *                        backend's alignment value if provided
76  * @acpi_data_size: Size of the chunk of memory at the top of RAM
77  *                  for the BIOS ACPI tables and other BIOS
78  *                  datastructures.
79  * @gigabyte_align: Make sure that guest addresses aligned at
80  *                  1Gbyte boundaries get mapped to host
81  *                  addresses aligned at 1Gbyte boundaries. This
82  *                  way we can use 1GByte pages in the host.
83  *
84  */
85 struct PCMachineClass {
86     /*< private >*/
87     X86MachineClass parent_class;
88 
89     /*< public >*/
90 
91     /* Device configuration: */
92     bool pci_enabled;
93     bool kvmclock_enabled;
94     const char *default_south_bridge;
95 
96     /* Compat options: */
97 
98     /* Default CPU model version.  See x86_cpu_set_default_version(). */
99     int default_cpu_version;
100 
101     /* ACPI compat: */
102     bool has_acpi_build;
103     bool rsdp_in_ram;
104     int legacy_acpi_table_size;
105     unsigned acpi_data_size;
106     int pci_root_uid;
107 
108     /* SMBIOS compat: */
109     bool smbios_defaults;
110     bool smbios_legacy_mode;
111     bool smbios_uuid_encoded;
112     SmbiosEntryPointType default_smbios_ep_type;
113 
114     /* RAM / address space compat: */
115     bool gigabyte_align;
116     bool has_reserved_memory;
117     bool enforce_aligned_dimm;
118     bool broken_reserved_end;
119     bool enforce_amd_1tb_hole;
120 
121     /* generate legacy CPU hotplug AML */
122     bool legacy_cpu_hotplug;
123 
124     /* use PVH to load kernels that support this feature */
125     bool pvh_enabled;
126 
127     /* create kvmclock device even when KVM PV features are not exposed */
128     bool kvmclock_create_always;
129 
130     /* resizable acpi blob compat */
131     bool resizable_acpi_blob;
132 
133     /*
134      * whether the machine type implements broken 32-bit address space bound
135      * check for memory.
136      */
137     bool broken_32bit_mem_addr_check;
138 };
139 
140 #define TYPE_PC_MACHINE "generic-pc-machine"
141 OBJECT_DECLARE_TYPE(PCMachineState, PCMachineClass, PC_MACHINE)
142 
143 /* ioapic.c */
144 
145 GSIState *pc_gsi_create(qemu_irq **irqs, bool pci_enabled);
146 
147 /* pc.c */
148 extern int fd_bootchk;
149 
150 void pc_acpi_smi_interrupt(void *opaque, int irq, int level);
151 
152 void pc_guest_info_init(PCMachineState *pcms);
153 
154 #define PCI_HOST_PROP_RAM_MEM          "ram-mem"
155 #define PCI_HOST_PROP_PCI_MEM          "pci-mem"
156 #define PCI_HOST_PROP_SYSTEM_MEM       "system-mem"
157 #define PCI_HOST_PROP_IO_MEM           "io-mem"
158 #define PCI_HOST_PROP_PCI_HOLE_START   "pci-hole-start"
159 #define PCI_HOST_PROP_PCI_HOLE_END     "pci-hole-end"
160 #define PCI_HOST_PROP_PCI_HOLE64_START "pci-hole64-start"
161 #define PCI_HOST_PROP_PCI_HOLE64_END   "pci-hole64-end"
162 #define PCI_HOST_PROP_PCI_HOLE64_SIZE  "pci-hole64-size"
163 #define PCI_HOST_BELOW_4G_MEM_SIZE     "below-4g-mem-size"
164 #define PCI_HOST_ABOVE_4G_MEM_SIZE     "above-4g-mem-size"
165 
166 
167 void pc_pci_as_mapping_init(MemoryRegion *system_memory,
168                             MemoryRegion *pci_address_space);
169 
170 void xen_load_linux(PCMachineState *pcms);
171 void pc_memory_init(PCMachineState *pcms,
172                     MemoryRegion *system_memory,
173                     MemoryRegion *rom_memory,
174                     uint64_t pci_hole64_size);
175 uint64_t pc_pci_hole64_start(void);
176 DeviceState *pc_vga_init(ISABus *isa_bus, PCIBus *pci_bus);
177 void pc_basic_device_init(struct PCMachineState *pcms,
178                           ISABus *isa_bus, qemu_irq *gsi,
179                           ISADevice *rtc_state,
180                           bool create_fdctrl,
181                           uint32_t hpet_irqs);
182 void pc_cmos_init(PCMachineState *pcms,
183                   BusState *ide0, BusState *ide1,
184                   ISADevice *s);
185 void pc_nic_init(PCMachineClass *pcmc, ISABus *isa_bus, PCIBus *pci_bus);
186 
187 void pc_i8259_create(ISABus *isa_bus, qemu_irq *i8259_irqs);
188 
189 /* port92.c */
190 #define PORT92_A20_LINE "a20"
191 
192 #define TYPE_PORT92 "port92"
193 
194 /* pc_sysfw.c */
195 void pc_system_flash_create(PCMachineState *pcms);
196 void pc_system_flash_cleanup_unused(PCMachineState *pcms);
197 void pc_system_firmware_init(PCMachineState *pcms, MemoryRegion *rom_memory);
198 bool pc_system_ovmf_table_find(const char *entry, uint8_t **data,
199                                int *data_len);
200 void pc_system_parse_ovmf_flash(uint8_t *flash_ptr, size_t flash_size);
201 
202 /* sgx.c */
203 void pc_machine_init_sgx_epc(PCMachineState *pcms);
204 
205 extern GlobalProperty pc_compat_8_2[];
206 extern const size_t pc_compat_8_2_len;
207 
208 extern GlobalProperty pc_compat_8_1[];
209 extern const size_t pc_compat_8_1_len;
210 
211 extern GlobalProperty pc_compat_8_0[];
212 extern const size_t pc_compat_8_0_len;
213 
214 extern GlobalProperty pc_compat_7_2[];
215 extern const size_t pc_compat_7_2_len;
216 
217 extern GlobalProperty pc_compat_7_1[];
218 extern const size_t pc_compat_7_1_len;
219 
220 extern GlobalProperty pc_compat_7_0[];
221 extern const size_t pc_compat_7_0_len;
222 
223 extern GlobalProperty pc_compat_6_2[];
224 extern const size_t pc_compat_6_2_len;
225 
226 extern GlobalProperty pc_compat_6_1[];
227 extern const size_t pc_compat_6_1_len;
228 
229 extern GlobalProperty pc_compat_6_0[];
230 extern const size_t pc_compat_6_0_len;
231 
232 extern GlobalProperty pc_compat_5_2[];
233 extern const size_t pc_compat_5_2_len;
234 
235 extern GlobalProperty pc_compat_5_1[];
236 extern const size_t pc_compat_5_1_len;
237 
238 extern GlobalProperty pc_compat_5_0[];
239 extern const size_t pc_compat_5_0_len;
240 
241 extern GlobalProperty pc_compat_4_2[];
242 extern const size_t pc_compat_4_2_len;
243 
244 extern GlobalProperty pc_compat_4_1[];
245 extern const size_t pc_compat_4_1_len;
246 
247 extern GlobalProperty pc_compat_4_0[];
248 extern const size_t pc_compat_4_0_len;
249 
250 extern GlobalProperty pc_compat_3_1[];
251 extern const size_t pc_compat_3_1_len;
252 
253 extern GlobalProperty pc_compat_3_0[];
254 extern const size_t pc_compat_3_0_len;
255 
256 extern GlobalProperty pc_compat_2_12[];
257 extern const size_t pc_compat_2_12_len;
258 
259 extern GlobalProperty pc_compat_2_11[];
260 extern const size_t pc_compat_2_11_len;
261 
262 extern GlobalProperty pc_compat_2_10[];
263 extern const size_t pc_compat_2_10_len;
264 
265 extern GlobalProperty pc_compat_2_9[];
266 extern const size_t pc_compat_2_9_len;
267 
268 extern GlobalProperty pc_compat_2_8[];
269 extern const size_t pc_compat_2_8_len;
270 
271 extern GlobalProperty pc_compat_2_7[];
272 extern const size_t pc_compat_2_7_len;
273 
274 extern GlobalProperty pc_compat_2_6[];
275 extern const size_t pc_compat_2_6_len;
276 
277 extern GlobalProperty pc_compat_2_5[];
278 extern const size_t pc_compat_2_5_len;
279 
280 extern GlobalProperty pc_compat_2_4[];
281 extern const size_t pc_compat_2_4_len;
282 
283 extern GlobalProperty pc_compat_2_3[];
284 extern const size_t pc_compat_2_3_len;
285 
286 extern GlobalProperty pc_compat_2_2[];
287 extern const size_t pc_compat_2_2_len;
288 
289 extern GlobalProperty pc_compat_2_1[];
290 extern const size_t pc_compat_2_1_len;
291 
292 extern GlobalProperty pc_compat_2_0[];
293 extern const size_t pc_compat_2_0_len;
294 
295 extern GlobalProperty pc_compat_1_7[];
296 extern const size_t pc_compat_1_7_len;
297 
298 extern GlobalProperty pc_compat_1_6[];
299 extern const size_t pc_compat_1_6_len;
300 
301 extern GlobalProperty pc_compat_1_5[];
302 extern const size_t pc_compat_1_5_len;
303 
304 extern GlobalProperty pc_compat_1_4[];
305 extern const size_t pc_compat_1_4_len;
306 
307 #define DEFINE_PC_MACHINE(suffix, namestr, initfn, optsfn) \
308     static void pc_machine_##suffix##_class_init(ObjectClass *oc, void *data) \
309     { \
310         MachineClass *mc = MACHINE_CLASS(oc); \
311         optsfn(mc); \
312         mc->init = initfn; \
313     } \
314     static const TypeInfo pc_machine_type_##suffix = { \
315         .name       = namestr TYPE_MACHINE_SUFFIX, \
316         .parent     = TYPE_PC_MACHINE, \
317         .class_init = pc_machine_##suffix##_class_init, \
318     }; \
319     static void pc_machine_init_##suffix(void) \
320     { \
321         type_register(&pc_machine_type_##suffix); \
322     } \
323     type_init(pc_machine_init_##suffix)
324 
325 #endif
326