xref: /openbmc/qemu/include/hw/i386/pc.h (revision 7c717367)
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 #define HPET_INTCAP "hpet-intcap"
19 
20 /**
21  * PCMachineState:
22  * @acpi_dev: link to ACPI PM device that performs ACPI hotplug handling
23  * @boot_cpus: number of present VCPUs
24  */
25 typedef struct PCMachineState {
26     /*< private >*/
27     X86MachineState parent_obj;
28 
29     /* <public> */
30 
31     /* State for other subsystems/APIs: */
32     Notifier machine_done;
33 
34     /* Pointers to devices and objects: */
35     PCIBus *bus;
36     I2CBus *smbus;
37     PFlashCFI01 *flash[2];
38     ISADevice *pcspk;
39     DeviceState *iommu;
40 
41     /* Configuration options: */
42     uint64_t max_ram_below_4g;
43     OnOffAuto vmport;
44     SmbiosEntryPointType smbios_entry_point_type;
45 
46     bool acpi_build_enabled;
47     bool smbus_enabled;
48     bool sata_enabled;
49     bool hpet_enabled;
50     bool i8042_enabled;
51     bool default_bus_bypass_iommu;
52     uint64_t max_fw_size;
53 
54     /* ACPI Memory hotplug IO base address */
55     hwaddr memhp_io_base;
56 
57     SGXEPCState sgx_epc;
58     CXLState cxl_devices_state;
59 } PCMachineState;
60 
61 #define PC_MACHINE_ACPI_DEVICE_PROP "acpi-device"
62 #define PC_MACHINE_MAX_RAM_BELOW_4G "max-ram-below-4g"
63 #define PC_MACHINE_DEVMEM_REGION_SIZE "device-memory-region-size"
64 #define PC_MACHINE_VMPORT           "vmport"
65 #define PC_MACHINE_SMBUS            "smbus"
66 #define PC_MACHINE_SATA             "sata"
67 #define PC_MACHINE_I8042            "i8042"
68 #define PC_MACHINE_MAX_FW_SIZE      "max-fw-size"
69 #define PC_MACHINE_SMBIOS_EP        "smbios-entry-point-type"
70 
71 /**
72  * PCMachineClass:
73  *
74  * Compat fields:
75  *
76  * @enforce_aligned_dimm: check that DIMM's address/size is aligned by
77  *                        backend's alignment value if provided
78  * @acpi_data_size: Size of the chunk of memory at the top of RAM
79  *                  for the BIOS ACPI tables and other BIOS
80  *                  datastructures.
81  * @gigabyte_align: Make sure that guest addresses aligned at
82  *                  1Gbyte boundaries get mapped to host
83  *                  addresses aligned at 1Gbyte boundaries. This
84  *                  way we can use 1GByte pages in the host.
85  *
86  */
87 struct PCMachineClass {
88     /*< private >*/
89     X86MachineClass parent_class;
90 
91     /*< public >*/
92 
93     /* Device configuration: */
94     bool pci_enabled;
95     bool kvmclock_enabled;
96     const char *default_nic_model;
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 
115     /* RAM / address space compat: */
116     bool gigabyte_align;
117     bool has_reserved_memory;
118     bool enforce_aligned_dimm;
119     bool broken_reserved_end;
120     bool enforce_amd_1tb_hole;
121 
122     /* generate legacy CPU hotplug AML */
123     bool legacy_cpu_hotplug;
124 
125     /* use PVH to load kernels that support this feature */
126     bool pvh_enabled;
127 
128     /* create kvmclock device even when KVM PV features are not exposed */
129     bool kvmclock_create_always;
130 };
131 
132 #define TYPE_PC_MACHINE "generic-pc-machine"
133 OBJECT_DECLARE_TYPE(PCMachineState, PCMachineClass, PC_MACHINE)
134 
135 /* ioapic.c */
136 
137 GSIState *pc_gsi_create(qemu_irq **irqs, bool pci_enabled);
138 
139 /* pc.c */
140 extern int fd_bootchk;
141 
142 void pc_acpi_smi_interrupt(void *opaque, int irq, int level);
143 
144 void pc_guest_info_init(PCMachineState *pcms);
145 
146 #define PCI_HOST_PROP_PCI_HOLE_START   "pci-hole-start"
147 #define PCI_HOST_PROP_PCI_HOLE_END     "pci-hole-end"
148 #define PCI_HOST_PROP_PCI_HOLE64_START "pci-hole64-start"
149 #define PCI_HOST_PROP_PCI_HOLE64_END   "pci-hole64-end"
150 #define PCI_HOST_PROP_PCI_HOLE64_SIZE  "pci-hole64-size"
151 #define PCI_HOST_BELOW_4G_MEM_SIZE     "below-4g-mem-size"
152 #define PCI_HOST_ABOVE_4G_MEM_SIZE     "above-4g-mem-size"
153 
154 
155 void pc_pci_as_mapping_init(MemoryRegion *system_memory,
156                             MemoryRegion *pci_address_space);
157 
158 void xen_load_linux(PCMachineState *pcms);
159 void pc_memory_init(PCMachineState *pcms,
160                     MemoryRegion *system_memory,
161                     MemoryRegion *rom_memory,
162                     MemoryRegion **ram_memory,
163                     uint64_t pci_hole64_size);
164 uint64_t pc_pci_hole64_start(void);
165 DeviceState *pc_vga_init(ISABus *isa_bus, PCIBus *pci_bus);
166 void pc_basic_device_init(struct PCMachineState *pcms,
167                           ISABus *isa_bus, qemu_irq *gsi,
168                           ISADevice **rtc_state,
169                           bool create_fdctrl,
170                           uint32_t hpet_irqs);
171 void pc_cmos_init(PCMachineState *pcms,
172                   BusState *ide0, BusState *ide1,
173                   ISADevice *s);
174 void pc_nic_init(PCMachineClass *pcmc, ISABus *isa_bus, PCIBus *pci_bus);
175 
176 void pc_i8259_create(ISABus *isa_bus, qemu_irq *i8259_irqs);
177 
178 /* port92.c */
179 #define PORT92_A20_LINE "a20"
180 
181 #define TYPE_PORT92 "port92"
182 
183 /* pc_sysfw.c */
184 void pc_system_flash_create(PCMachineState *pcms);
185 void pc_system_flash_cleanup_unused(PCMachineState *pcms);
186 void pc_system_firmware_init(PCMachineState *pcms, MemoryRegion *rom_memory);
187 bool pc_system_ovmf_table_find(const char *entry, uint8_t **data,
188                                int *data_len);
189 void pc_system_parse_ovmf_flash(uint8_t *flash_ptr, size_t flash_size);
190 
191 /* hw/i386/acpi-common.c */
192 void pc_madt_cpu_entry(int uid, const CPUArchIdList *apic_ids,
193                        GArray *entry, bool force_enabled);
194 
195 /* sgx.c */
196 void pc_machine_init_sgx_epc(PCMachineState *pcms);
197 
198 extern GlobalProperty pc_compat_7_2[];
199 extern const size_t pc_compat_7_2_len;
200 
201 extern GlobalProperty pc_compat_7_1[];
202 extern const size_t pc_compat_7_1_len;
203 
204 extern GlobalProperty pc_compat_7_0[];
205 extern const size_t pc_compat_7_0_len;
206 
207 extern GlobalProperty pc_compat_6_2[];
208 extern const size_t pc_compat_6_2_len;
209 
210 extern GlobalProperty pc_compat_6_1[];
211 extern const size_t pc_compat_6_1_len;
212 
213 extern GlobalProperty pc_compat_6_0[];
214 extern const size_t pc_compat_6_0_len;
215 
216 extern GlobalProperty pc_compat_5_2[];
217 extern const size_t pc_compat_5_2_len;
218 
219 extern GlobalProperty pc_compat_5_1[];
220 extern const size_t pc_compat_5_1_len;
221 
222 extern GlobalProperty pc_compat_5_0[];
223 extern const size_t pc_compat_5_0_len;
224 
225 extern GlobalProperty pc_compat_4_2[];
226 extern const size_t pc_compat_4_2_len;
227 
228 extern GlobalProperty pc_compat_4_1[];
229 extern const size_t pc_compat_4_1_len;
230 
231 extern GlobalProperty pc_compat_4_0[];
232 extern const size_t pc_compat_4_0_len;
233 
234 extern GlobalProperty pc_compat_3_1[];
235 extern const size_t pc_compat_3_1_len;
236 
237 extern GlobalProperty pc_compat_3_0[];
238 extern const size_t pc_compat_3_0_len;
239 
240 extern GlobalProperty pc_compat_2_12[];
241 extern const size_t pc_compat_2_12_len;
242 
243 extern GlobalProperty pc_compat_2_11[];
244 extern const size_t pc_compat_2_11_len;
245 
246 extern GlobalProperty pc_compat_2_10[];
247 extern const size_t pc_compat_2_10_len;
248 
249 extern GlobalProperty pc_compat_2_9[];
250 extern const size_t pc_compat_2_9_len;
251 
252 extern GlobalProperty pc_compat_2_8[];
253 extern const size_t pc_compat_2_8_len;
254 
255 extern GlobalProperty pc_compat_2_7[];
256 extern const size_t pc_compat_2_7_len;
257 
258 extern GlobalProperty pc_compat_2_6[];
259 extern const size_t pc_compat_2_6_len;
260 
261 extern GlobalProperty pc_compat_2_5[];
262 extern const size_t pc_compat_2_5_len;
263 
264 extern GlobalProperty pc_compat_2_4[];
265 extern const size_t pc_compat_2_4_len;
266 
267 extern GlobalProperty pc_compat_2_3[];
268 extern const size_t pc_compat_2_3_len;
269 
270 extern GlobalProperty pc_compat_2_2[];
271 extern const size_t pc_compat_2_2_len;
272 
273 extern GlobalProperty pc_compat_2_1[];
274 extern const size_t pc_compat_2_1_len;
275 
276 extern GlobalProperty pc_compat_2_0[];
277 extern const size_t pc_compat_2_0_len;
278 
279 extern GlobalProperty pc_compat_1_7[];
280 extern const size_t pc_compat_1_7_len;
281 
282 extern GlobalProperty pc_compat_1_6[];
283 extern const size_t pc_compat_1_6_len;
284 
285 extern GlobalProperty pc_compat_1_5[];
286 extern const size_t pc_compat_1_5_len;
287 
288 extern GlobalProperty pc_compat_1_4[];
289 extern const size_t pc_compat_1_4_len;
290 
291 int pc_machine_kvm_type(MachineState *machine, const char *vm_type);
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         mc->kvm_type = pc_machine_kvm_type; \
300     } \
301     static const TypeInfo pc_machine_type_##suffix = { \
302         .name       = namestr TYPE_MACHINE_SUFFIX, \
303         .parent     = TYPE_PC_MACHINE, \
304         .class_init = pc_machine_##suffix##_class_init, \
305     }; \
306     static void pc_machine_init_##suffix(void) \
307     { \
308         type_register(&pc_machine_type_##suffix); \
309     } \
310     type_init(pc_machine_init_##suffix)
311 
312 #endif
313