xref: /openbmc/qemu/include/hw/i386/pc.h (revision 3bcc5398)
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     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     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_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_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 extern int fd_bootchk;
151 
152 void pc_acpi_smi_interrupt(void *opaque, int irq, int level);
153 
154 void pc_guest_info_init(PCMachineState *pcms);
155 
156 #define PCI_HOST_PROP_RAM_MEM          "ram-mem"
157 #define PCI_HOST_PROP_PCI_MEM          "pci-mem"
158 #define PCI_HOST_PROP_SYSTEM_MEM       "system-mem"
159 #define PCI_HOST_PROP_IO_MEM           "io-mem"
160 #define PCI_HOST_PROP_PCI_HOLE_START   "pci-hole-start"
161 #define PCI_HOST_PROP_PCI_HOLE_END     "pci-hole-end"
162 #define PCI_HOST_PROP_PCI_HOLE64_START "pci-hole64-start"
163 #define PCI_HOST_PROP_PCI_HOLE64_END   "pci-hole64-end"
164 #define PCI_HOST_PROP_PCI_HOLE64_SIZE  "pci-hole64-size"
165 #define PCI_HOST_BELOW_4G_MEM_SIZE     "below-4g-mem-size"
166 #define PCI_HOST_ABOVE_4G_MEM_SIZE     "above-4g-mem-size"
167 
168 
169 void pc_pci_as_mapping_init(MemoryRegion *system_memory,
170                             MemoryRegion *pci_address_space);
171 
172 void xen_load_linux(PCMachineState *pcms);
173 void pc_memory_init(PCMachineState *pcms,
174                     MemoryRegion *system_memory,
175                     MemoryRegion *rom_memory,
176                     uint64_t pci_hole64_size);
177 uint64_t pc_pci_hole64_start(void);
178 DeviceState *pc_vga_init(ISABus *isa_bus, PCIBus *pci_bus);
179 void pc_basic_device_init(struct PCMachineState *pcms,
180                           ISABus *isa_bus, qemu_irq *gsi,
181                           ISADevice *rtc_state,
182                           bool create_fdctrl,
183                           uint32_t hpet_irqs);
184 void pc_cmos_init(PCMachineState *pcms,
185                   BusState *ide0, BusState *ide1,
186                   ISADevice *s);
187 void pc_nic_init(PCMachineClass *pcmc, ISABus *isa_bus, PCIBus *pci_bus);
188 
189 void pc_i8259_create(ISABus *isa_bus, qemu_irq *i8259_irqs);
190 
191 /* port92.c */
192 #define PORT92_A20_LINE "a20"
193 
194 #define TYPE_PORT92 "port92"
195 
196 /* pc_sysfw.c */
197 void pc_system_flash_create(PCMachineState *pcms);
198 void pc_system_flash_cleanup_unused(PCMachineState *pcms);
199 void pc_system_firmware_init(PCMachineState *pcms, MemoryRegion *rom_memory);
200 bool pc_system_ovmf_table_find(const char *entry, uint8_t **data,
201                                int *data_len);
202 void pc_system_parse_ovmf_flash(uint8_t *flash_ptr, size_t flash_size);
203 
204 /* hw/i386/acpi-common.c */
205 void pc_madt_cpu_entry(int uid, const CPUArchIdList *apic_ids,
206                        GArray *entry, bool force_enabled);
207 
208 /* sgx.c */
209 void pc_machine_init_sgx_epc(PCMachineState *pcms);
210 
211 extern GlobalProperty pc_compat_8_1[];
212 extern const size_t pc_compat_8_1_len;
213 
214 extern GlobalProperty pc_compat_8_0[];
215 extern const size_t pc_compat_8_0_len;
216 
217 extern GlobalProperty pc_compat_7_2[];
218 extern const size_t pc_compat_7_2_len;
219 
220 extern GlobalProperty pc_compat_7_1[];
221 extern const size_t pc_compat_7_1_len;
222 
223 extern GlobalProperty pc_compat_7_0[];
224 extern const size_t pc_compat_7_0_len;
225 
226 extern GlobalProperty pc_compat_6_2[];
227 extern const size_t pc_compat_6_2_len;
228 
229 extern GlobalProperty pc_compat_6_1[];
230 extern const size_t pc_compat_6_1_len;
231 
232 extern GlobalProperty pc_compat_6_0[];
233 extern const size_t pc_compat_6_0_len;
234 
235 extern GlobalProperty pc_compat_5_2[];
236 extern const size_t pc_compat_5_2_len;
237 
238 extern GlobalProperty pc_compat_5_1[];
239 extern const size_t pc_compat_5_1_len;
240 
241 extern GlobalProperty pc_compat_5_0[];
242 extern const size_t pc_compat_5_0_len;
243 
244 extern GlobalProperty pc_compat_4_2[];
245 extern const size_t pc_compat_4_2_len;
246 
247 extern GlobalProperty pc_compat_4_1[];
248 extern const size_t pc_compat_4_1_len;
249 
250 extern GlobalProperty pc_compat_4_0[];
251 extern const size_t pc_compat_4_0_len;
252 
253 extern GlobalProperty pc_compat_3_1[];
254 extern const size_t pc_compat_3_1_len;
255 
256 extern GlobalProperty pc_compat_3_0[];
257 extern const size_t pc_compat_3_0_len;
258 
259 extern GlobalProperty pc_compat_2_12[];
260 extern const size_t pc_compat_2_12_len;
261 
262 extern GlobalProperty pc_compat_2_11[];
263 extern const size_t pc_compat_2_11_len;
264 
265 extern GlobalProperty pc_compat_2_10[];
266 extern const size_t pc_compat_2_10_len;
267 
268 extern GlobalProperty pc_compat_2_9[];
269 extern const size_t pc_compat_2_9_len;
270 
271 extern GlobalProperty pc_compat_2_8[];
272 extern const size_t pc_compat_2_8_len;
273 
274 extern GlobalProperty pc_compat_2_7[];
275 extern const size_t pc_compat_2_7_len;
276 
277 extern GlobalProperty pc_compat_2_6[];
278 extern const size_t pc_compat_2_6_len;
279 
280 extern GlobalProperty pc_compat_2_5[];
281 extern const size_t pc_compat_2_5_len;
282 
283 extern GlobalProperty pc_compat_2_4[];
284 extern const size_t pc_compat_2_4_len;
285 
286 extern GlobalProperty pc_compat_2_3[];
287 extern const size_t pc_compat_2_3_len;
288 
289 extern GlobalProperty pc_compat_2_2[];
290 extern const size_t pc_compat_2_2_len;
291 
292 extern GlobalProperty pc_compat_2_1[];
293 extern const size_t pc_compat_2_1_len;
294 
295 extern GlobalProperty pc_compat_2_0[];
296 extern const size_t pc_compat_2_0_len;
297 
298 extern GlobalProperty pc_compat_1_7[];
299 extern const size_t pc_compat_1_7_len;
300 
301 extern GlobalProperty pc_compat_1_6[];
302 extern const size_t pc_compat_1_6_len;
303 
304 extern GlobalProperty pc_compat_1_5[];
305 extern const size_t pc_compat_1_5_len;
306 
307 extern GlobalProperty pc_compat_1_4[];
308 extern const size_t pc_compat_1_4_len;
309 
310 int pc_machine_kvm_type(MachineState *machine, const char *vm_type);
311 
312 #define DEFINE_PC_MACHINE(suffix, namestr, initfn, optsfn) \
313     static void pc_machine_##suffix##_class_init(ObjectClass *oc, void *data) \
314     { \
315         MachineClass *mc = MACHINE_CLASS(oc); \
316         optsfn(mc); \
317         mc->init = initfn; \
318         mc->kvm_type = pc_machine_kvm_type; \
319     } \
320     static const TypeInfo pc_machine_type_##suffix = { \
321         .name       = namestr TYPE_MACHINE_SUFFIX, \
322         .parent     = TYPE_PC_MACHINE, \
323         .class_init = pc_machine_##suffix##_class_init, \
324     }; \
325     static void pc_machine_init_##suffix(void) \
326     { \
327         type_register(&pc_machine_type_##suffix); \
328     } \
329     type_init(pc_machine_init_##suffix)
330 
331 #endif
332