xref: /openbmc/qemu/include/hw/i386/pc.h (revision 33a24910)
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     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     const char *default_south_bridge;
96 
97     /* Compat options: */
98 
99     /* Default CPU model version.  See x86_cpu_set_default_version(). */
100     int default_cpu_version;
101 
102     /* ACPI compat: */
103     bool has_acpi_build;
104     bool rsdp_in_ram;
105     int legacy_acpi_table_size;
106     unsigned acpi_data_size;
107     int pci_root_uid;
108 
109     /* SMBIOS compat: */
110     bool smbios_defaults;
111     bool smbios_legacy_mode;
112     bool smbios_uuid_encoded;
113     SmbiosEntryPointType default_smbios_ep_type;
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     /* resizable acpi blob compat */
132     bool resizable_acpi_blob;
133 
134     /*
135      * whether the machine type implements broken 32-bit address space bound
136      * check for memory.
137      */
138     bool broken_32bit_mem_addr_check;
139 };
140 
141 #define TYPE_PC_MACHINE "generic-pc-machine"
142 OBJECT_DECLARE_TYPE(PCMachineState, PCMachineClass, PC_MACHINE)
143 
144 /* ioapic.c */
145 
146 GSIState *pc_gsi_create(qemu_irq **irqs, bool pci_enabled);
147 
148 /* pc.c */
149 extern int fd_bootchk;
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 extern GlobalProperty pc_compat_1_7[];
292 extern const size_t pc_compat_1_7_len;
293 
294 extern GlobalProperty pc_compat_1_6[];
295 extern const size_t pc_compat_1_6_len;
296 
297 extern GlobalProperty pc_compat_1_5[];
298 extern const size_t pc_compat_1_5_len;
299 
300 extern GlobalProperty pc_compat_1_4[];
301 extern const size_t pc_compat_1_4_len;
302 
303 #define DEFINE_PC_MACHINE(suffix, namestr, initfn, optsfn) \
304     static void pc_machine_##suffix##_class_init(ObjectClass *oc, void *data) \
305     { \
306         MachineClass *mc = MACHINE_CLASS(oc); \
307         optsfn(mc); \
308         mc->init = initfn; \
309     } \
310     static const TypeInfo pc_machine_type_##suffix = { \
311         .name       = namestr TYPE_MACHINE_SUFFIX, \
312         .parent     = TYPE_PC_MACHINE, \
313         .class_init = pc_machine_##suffix##_class_init, \
314     }; \
315     static void pc_machine_init_##suffix(void) \
316     { \
317         type_register(&pc_machine_type_##suffix); \
318     } \
319     type_init(pc_machine_init_##suffix)
320 
321 #endif
322