xref: /openbmc/qemu/include/hw/i386/pc.h (revision 764a6ee9)
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  * @gigabyte_align: Make sure that guest addresses aligned at
78  *                  1Gbyte boundaries get mapped to host
79  *                  addresses aligned at 1Gbyte boundaries. This
80  *                  way we can use 1GByte pages in the host.
81  *
82  */
83 struct PCMachineClass {
84     /*< private >*/
85     X86MachineClass parent_class;
86 
87     /*< public >*/
88 
89     /* Device configuration: */
90     bool pci_enabled;
91     const char *default_south_bridge;
92 
93     /* Compat options: */
94 
95     /* Default CPU model version.  See x86_cpu_set_default_version(). */
96     int default_cpu_version;
97 
98     /* ACPI compat: */
99     bool has_acpi_build;
100     int pci_root_uid;
101 
102     /* SMBIOS compat: */
103     bool smbios_defaults;
104     bool smbios_legacy_mode;
105     SmbiosEntryPointType default_smbios_ep_type;
106 
107     /* RAM / address space compat: */
108     bool gigabyte_align;
109     bool has_reserved_memory;
110     bool broken_reserved_end;
111     bool enforce_amd_1tb_hole;
112     bool isa_bios_alias;
113 
114     /* generate legacy CPU hotplug AML */
115     bool legacy_cpu_hotplug;
116 
117     /* use PVH to load kernels that support this feature */
118     bool pvh_enabled;
119 
120     /* create kvmclock device even when KVM PV features are not exposed */
121     bool kvmclock_create_always;
122 
123     /*
124      * whether the machine type implements broken 32-bit address space bound
125      * check for memory.
126      */
127     bool broken_32bit_mem_addr_check;
128 };
129 
130 #define TYPE_PC_MACHINE "generic-pc-machine"
131 OBJECT_DECLARE_TYPE(PCMachineState, PCMachineClass, PC_MACHINE)
132 
133 /* ioapic.c */
134 
135 GSIState *pc_gsi_create(qemu_irq **irqs, bool pci_enabled);
136 
137 /* pc.c */
138 
139 void pc_acpi_smi_interrupt(void *opaque, int irq, int level);
140 
141 #define PCI_HOST_PROP_RAM_MEM          "ram-mem"
142 #define PCI_HOST_PROP_PCI_MEM          "pci-mem"
143 #define PCI_HOST_PROP_SYSTEM_MEM       "system-mem"
144 #define PCI_HOST_PROP_IO_MEM           "io-mem"
145 #define PCI_HOST_PROP_PCI_HOLE_START   "pci-hole-start"
146 #define PCI_HOST_PROP_PCI_HOLE_END     "pci-hole-end"
147 #define PCI_HOST_PROP_PCI_HOLE64_START "pci-hole64-start"
148 #define PCI_HOST_PROP_PCI_HOLE64_END   "pci-hole64-end"
149 #define PCI_HOST_PROP_PCI_HOLE64_SIZE  "pci-hole64-size"
150 #define PCI_HOST_BELOW_4G_MEM_SIZE     "below-4g-mem-size"
151 #define PCI_HOST_ABOVE_4G_MEM_SIZE     "above-4g-mem-size"
152 #define PCI_HOST_PROP_SMM_RANGES       "smm-ranges"
153 
154 typedef enum {
155     SEV_DESC_TYPE_UNDEF,
156     /* The section contains the region that must be validated by the VMM. */
157     SEV_DESC_TYPE_SNP_SEC_MEM,
158     /* The section contains the SNP secrets page */
159     SEV_DESC_TYPE_SNP_SECRETS,
160     /* The section contains address that can be used as a CPUID page */
161     SEV_DESC_TYPE_CPUID,
162     /* The section contains the region for kernel hashes for measured direct boot */
163     SEV_DESC_TYPE_SNP_KERNEL_HASHES = 0x10,
164 
165 } ovmf_sev_metadata_desc_type;
166 
167 typedef struct __attribute__((__packed__)) OvmfSevMetadataDesc {
168     uint32_t base;
169     uint32_t len;
170     ovmf_sev_metadata_desc_type type;
171 } OvmfSevMetadataDesc;
172 
173 typedef struct __attribute__((__packed__)) OvmfSevMetadata {
174     uint8_t signature[4];
175     uint32_t len;
176     uint32_t version;
177     uint32_t num_desc;
178     OvmfSevMetadataDesc descs[];
179 } OvmfSevMetadata;
180 
181 OvmfSevMetadata *pc_system_get_ovmf_sev_metadata_ptr(void);
182 
183 void pc_pci_as_mapping_init(MemoryRegion *system_memory,
184                             MemoryRegion *pci_address_space);
185 
186 void xen_load_linux(PCMachineState *pcms);
187 void pc_memory_init(PCMachineState *pcms,
188                     MemoryRegion *system_memory,
189                     MemoryRegion *rom_memory,
190                     uint64_t pci_hole64_size);
191 uint64_t pc_pci_hole64_start(void);
192 DeviceState *pc_vga_init(ISABus *isa_bus, PCIBus *pci_bus);
193 void pc_basic_device_init(struct PCMachineState *pcms,
194                           ISABus *isa_bus, qemu_irq *gsi,
195                           ISADevice *rtc_state,
196                           bool create_fdctrl,
197                           uint32_t hpet_irqs);
198 void pc_nic_init(PCMachineClass *pcmc, ISABus *isa_bus, PCIBus *pci_bus);
199 
200 void pc_i8259_create(ISABus *isa_bus, qemu_irq *i8259_irqs);
201 
202 /* port92.c */
203 #define PORT92_A20_LINE "a20"
204 
205 #define TYPE_PORT92 "port92"
206 
207 /* pc_sysfw.c */
208 void pc_system_flash_create(PCMachineState *pcms);
209 void pc_system_flash_cleanup_unused(PCMachineState *pcms);
210 void pc_system_firmware_init(PCMachineState *pcms, MemoryRegion *rom_memory);
211 bool pc_system_ovmf_table_find(const char *entry, uint8_t **data,
212                                int *data_len);
213 void pc_system_parse_ovmf_flash(uint8_t *flash_ptr, size_t flash_size);
214 
215 /* sgx.c */
216 void pc_machine_init_sgx_epc(PCMachineState *pcms);
217 
218 extern GlobalProperty pc_compat_9_1[];
219 extern const size_t pc_compat_9_1_len;
220 
221 extern GlobalProperty pc_compat_9_0[];
222 extern const size_t pc_compat_9_0_len;
223 
224 extern GlobalProperty pc_compat_8_2[];
225 extern const size_t pc_compat_8_2_len;
226 
227 extern GlobalProperty pc_compat_8_1[];
228 extern const size_t pc_compat_8_1_len;
229 
230 extern GlobalProperty pc_compat_8_0[];
231 extern const size_t pc_compat_8_0_len;
232 
233 extern GlobalProperty pc_compat_7_2[];
234 extern const size_t pc_compat_7_2_len;
235 
236 extern GlobalProperty pc_compat_7_1[];
237 extern const size_t pc_compat_7_1_len;
238 
239 extern GlobalProperty pc_compat_7_0[];
240 extern const size_t pc_compat_7_0_len;
241 
242 extern GlobalProperty pc_compat_6_2[];
243 extern const size_t pc_compat_6_2_len;
244 
245 extern GlobalProperty pc_compat_6_1[];
246 extern const size_t pc_compat_6_1_len;
247 
248 extern GlobalProperty pc_compat_6_0[];
249 extern const size_t pc_compat_6_0_len;
250 
251 extern GlobalProperty pc_compat_5_2[];
252 extern const size_t pc_compat_5_2_len;
253 
254 extern GlobalProperty pc_compat_5_1[];
255 extern const size_t pc_compat_5_1_len;
256 
257 extern GlobalProperty pc_compat_5_0[];
258 extern const size_t pc_compat_5_0_len;
259 
260 extern GlobalProperty pc_compat_4_2[];
261 extern const size_t pc_compat_4_2_len;
262 
263 extern GlobalProperty pc_compat_4_1[];
264 extern const size_t pc_compat_4_1_len;
265 
266 extern GlobalProperty pc_compat_4_0[];
267 extern const size_t pc_compat_4_0_len;
268 
269 extern GlobalProperty pc_compat_3_1[];
270 extern const size_t pc_compat_3_1_len;
271 
272 extern GlobalProperty pc_compat_3_0[];
273 extern const size_t pc_compat_3_0_len;
274 
275 extern GlobalProperty pc_compat_2_12[];
276 extern const size_t pc_compat_2_12_len;
277 
278 extern GlobalProperty pc_compat_2_11[];
279 extern const size_t pc_compat_2_11_len;
280 
281 extern GlobalProperty pc_compat_2_10[];
282 extern const size_t pc_compat_2_10_len;
283 
284 extern GlobalProperty pc_compat_2_9[];
285 extern const size_t pc_compat_2_9_len;
286 
287 extern GlobalProperty pc_compat_2_8[];
288 extern const size_t pc_compat_2_8_len;
289 
290 extern GlobalProperty pc_compat_2_7[];
291 extern const size_t pc_compat_2_7_len;
292 
293 extern GlobalProperty pc_compat_2_6[];
294 extern const size_t pc_compat_2_6_len;
295 
296 extern GlobalProperty pc_compat_2_5[];
297 extern const size_t pc_compat_2_5_len;
298 
299 extern GlobalProperty pc_compat_2_4[];
300 extern const size_t pc_compat_2_4_len;
301 
302 extern GlobalProperty pc_compat_2_3[];
303 extern const size_t pc_compat_2_3_len;
304 
305 #define DEFINE_PC_MACHINE(suffix, namestr, initfn, optsfn) \
306     static void pc_machine_##suffix##_class_init(ObjectClass *oc, void *data) \
307     { \
308         MachineClass *mc = MACHINE_CLASS(oc); \
309         optsfn(mc); \
310         mc->init = initfn; \
311     } \
312     static const TypeInfo pc_machine_type_##suffix = { \
313         .name       = namestr TYPE_MACHINE_SUFFIX, \
314         .parent     = TYPE_PC_MACHINE, \
315         .class_init = pc_machine_##suffix##_class_init, \
316     }; \
317     static void pc_machine_init_##suffix(void) \
318     { \
319         type_register(&pc_machine_type_##suffix); \
320     } \
321     type_init(pc_machine_init_##suffix)
322 
323 #define DEFINE_PC_VER_MACHINE(namesym, namestr, initfn, ...) \
324     static void MACHINE_VER_SYM(init, namesym, __VA_ARGS__)( \
325         MachineState *machine) \
326     { \
327         initfn(machine); \
328     } \
329     static void MACHINE_VER_SYM(class_init, namesym, __VA_ARGS__)( \
330         ObjectClass *oc, \
331         void *data) \
332     { \
333         MachineClass *mc = MACHINE_CLASS(oc); \
334         MACHINE_VER_SYM(options, namesym, __VA_ARGS__)(mc); \
335         mc->init = MACHINE_VER_SYM(init, namesym, __VA_ARGS__); \
336         MACHINE_VER_DEPRECATION(__VA_ARGS__); \
337     } \
338     static const TypeInfo MACHINE_VER_SYM(info, namesym, __VA_ARGS__) = \
339     { \
340         .name       = MACHINE_VER_TYPE_NAME(namestr, __VA_ARGS__), \
341         .parent     = TYPE_PC_MACHINE, \
342         .class_init = MACHINE_VER_SYM(class_init, namesym, __VA_ARGS__), \
343     }; \
344     static void MACHINE_VER_SYM(register, namesym, __VA_ARGS__)(void) \
345     { \
346         MACHINE_VER_DELETION(__VA_ARGS__); \
347         type_register(&MACHINE_VER_SYM(info, namesym, __VA_ARGS__)); \
348     } \
349     type_init(MACHINE_VER_SYM(register, namesym, __VA_ARGS__));
350 
351 #endif
352