xref: /openbmc/qemu/include/hw/i386/pc.h (revision 6f03770d)
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/acpi/acpi_dev_interface.h"
13 #include "hw/hotplug.h"
14 #include "qom/object.h"
15 
16 #define HPET_INTCAP "hpet-intcap"
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  * @smp_dies: number of dies per one package
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 *bus;
35     I2CBus *smbus;
36     PFlashCFI01 *flash[2];
37     ISADevice *pcspk;
38 
39     /* Configuration options: */
40     uint64_t max_ram_below_4g;
41     OnOffAuto vmport;
42 
43     bool acpi_build_enabled;
44     bool smbus_enabled;
45     bool sata_enabled;
46     bool pit_enabled;
47     bool hpet_enabled;
48     uint64_t max_fw_size;
49     char *oem_id;
50     char *oem_table_id;
51 
52     /* NUMA information: */
53     uint64_t numa_nodes;
54     uint64_t *node_mem;
55 
56     /* ACPI Memory hotplug IO base address */
57     hwaddr memhp_io_base;
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_DEVMEM_REGION_SIZE "device-memory-region-size"
63 #define PC_MACHINE_VMPORT           "vmport"
64 #define PC_MACHINE_SMBUS            "smbus"
65 #define PC_MACHINE_SATA             "sata"
66 #define PC_MACHINE_PIT              "pit"
67 #define PC_MACHINE_MAX_FW_SIZE      "max-fw-size"
68 #define PC_MACHINE_OEM_ID           "oem-id"
69 #define PC_MACHINE_OEM_TABLE_ID     "oem-table-id"
70 /**
71  * PCMachineClass:
72  *
73  * Compat fields:
74  *
75  * @enforce_aligned_dimm: check that DIMM's address/size is aligned by
76  *                        backend's alignment value if provided
77  * @acpi_data_size: Size of the chunk of memory at the top of RAM
78  *                  for the BIOS ACPI tables and other BIOS
79  *                  datastructures.
80  * @gigabyte_align: Make sure that guest addresses aligned at
81  *                  1Gbyte boundaries get mapped to host
82  *                  addresses aligned at 1Gbyte boundaries. This
83  *                  way we can use 1GByte pages in the host.
84  *
85  */
86 struct PCMachineClass {
87     /*< private >*/
88     X86MachineClass parent_class;
89 
90     /*< public >*/
91 
92     /* Device configuration: */
93     bool pci_enabled;
94     bool kvmclock_enabled;
95     const char *default_nic_model;
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     bool do_not_add_smb_acpi;
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 
121     /* generate legacy CPU hotplug AML */
122     bool legacy_cpu_hotplug;
123 
124     /* use DMA capable linuxboot option rom */
125     bool linuxboot_dma_enabled;
126 
127     /* use PVH to load kernels that support this feature */
128     bool pvh_enabled;
129 
130     /* create kvmclock device even when KVM PV features are not exposed */
131     bool kvmclock_create_always;
132 };
133 
134 #define TYPE_PC_MACHINE "generic-pc-machine"
135 OBJECT_DECLARE_TYPE(PCMachineState, PCMachineClass, PC_MACHINE)
136 
137 /* ioapic.c */
138 
139 GSIState *pc_gsi_create(qemu_irq **irqs, bool pci_enabled);
140 
141 /* pc.c */
142 extern int fd_bootchk;
143 
144 void pc_acpi_smi_interrupt(void *opaque, int irq, int level);
145 
146 void pc_smp_parse(MachineState *ms, QemuOpts *opts);
147 
148 void pc_guest_info_init(PCMachineState *pcms);
149 
150 #define PCI_HOST_PROP_PCI_HOLE_START   "pci-hole-start"
151 #define PCI_HOST_PROP_PCI_HOLE_END     "pci-hole-end"
152 #define PCI_HOST_PROP_PCI_HOLE64_START "pci-hole64-start"
153 #define PCI_HOST_PROP_PCI_HOLE64_END   "pci-hole64-end"
154 #define PCI_HOST_PROP_PCI_HOLE64_SIZE  "pci-hole64-size"
155 #define PCI_HOST_BELOW_4G_MEM_SIZE     "below-4g-mem-size"
156 #define PCI_HOST_ABOVE_4G_MEM_SIZE     "above-4g-mem-size"
157 
158 
159 void pc_pci_as_mapping_init(Object *owner, MemoryRegion *system_memory,
160                             MemoryRegion *pci_address_space);
161 
162 void xen_load_linux(PCMachineState *pcms);
163 void pc_memory_init(PCMachineState *pcms,
164                     MemoryRegion *system_memory,
165                     MemoryRegion *rom_memory,
166                     MemoryRegion **ram_memory);
167 uint64_t pc_pci_hole64_start(void);
168 DeviceState *pc_vga_init(ISABus *isa_bus, PCIBus *pci_bus);
169 void pc_basic_device_init(struct PCMachineState *pcms,
170                           ISABus *isa_bus, qemu_irq *gsi,
171                           ISADevice **rtc_state,
172                           bool create_fdctrl,
173                           uint32_t hpet_irqs);
174 void pc_init_ne2k_isa(ISABus *bus, NICInfo *nd);
175 void pc_cmos_init(PCMachineState *pcms,
176                   BusState *ide0, BusState *ide1,
177                   ISADevice *s);
178 void pc_nic_init(PCMachineClass *pcmc, ISABus *isa_bus, PCIBus *pci_bus);
179 void pc_pci_device_init(PCIBus *pci_bus);
180 
181 typedef void (*cpu_set_smm_t)(int smm, void *arg);
182 
183 void pc_i8259_create(ISABus *isa_bus, qemu_irq *i8259_irqs);
184 
185 ISADevice *pc_find_fdc0(void);
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_flash_create(PCMachineState *pcms);
194 void pc_system_flash_cleanup_unused(PCMachineState *pcms);
195 void pc_system_firmware_init(PCMachineState *pcms, MemoryRegion *rom_memory);
196 bool pc_system_ovmf_table_find(const char *entry, uint8_t **data,
197                                int *data_len);
198 
199 
200 /* acpi-build.c */
201 void pc_madt_cpu_entry(AcpiDeviceIf *adev, int uid,
202                        const CPUArchIdList *apic_ids, GArray *entry);
203 
204 extern GlobalProperty pc_compat_5_2[];
205 extern const size_t pc_compat_5_2_len;
206 
207 extern GlobalProperty pc_compat_5_1[];
208 extern const size_t pc_compat_5_1_len;
209 
210 extern GlobalProperty pc_compat_5_0[];
211 extern const size_t pc_compat_5_0_len;
212 
213 extern GlobalProperty pc_compat_4_2[];
214 extern const size_t pc_compat_4_2_len;
215 
216 extern GlobalProperty pc_compat_4_1[];
217 extern const size_t pc_compat_4_1_len;
218 
219 extern GlobalProperty pc_compat_4_0[];
220 extern const size_t pc_compat_4_0_len;
221 
222 extern GlobalProperty pc_compat_3_1[];
223 extern const size_t pc_compat_3_1_len;
224 
225 extern GlobalProperty pc_compat_3_0[];
226 extern const size_t pc_compat_3_0_len;
227 
228 extern GlobalProperty pc_compat_2_12[];
229 extern const size_t pc_compat_2_12_len;
230 
231 extern GlobalProperty pc_compat_2_11[];
232 extern const size_t pc_compat_2_11_len;
233 
234 extern GlobalProperty pc_compat_2_10[];
235 extern const size_t pc_compat_2_10_len;
236 
237 extern GlobalProperty pc_compat_2_9[];
238 extern const size_t pc_compat_2_9_len;
239 
240 extern GlobalProperty pc_compat_2_8[];
241 extern const size_t pc_compat_2_8_len;
242 
243 extern GlobalProperty pc_compat_2_7[];
244 extern const size_t pc_compat_2_7_len;
245 
246 extern GlobalProperty pc_compat_2_6[];
247 extern const size_t pc_compat_2_6_len;
248 
249 extern GlobalProperty pc_compat_2_5[];
250 extern const size_t pc_compat_2_5_len;
251 
252 extern GlobalProperty pc_compat_2_4[];
253 extern const size_t pc_compat_2_4_len;
254 
255 extern GlobalProperty pc_compat_2_3[];
256 extern const size_t pc_compat_2_3_len;
257 
258 extern GlobalProperty pc_compat_2_2[];
259 extern const size_t pc_compat_2_2_len;
260 
261 extern GlobalProperty pc_compat_2_1[];
262 extern const size_t pc_compat_2_1_len;
263 
264 extern GlobalProperty pc_compat_2_0[];
265 extern const size_t pc_compat_2_0_len;
266 
267 extern GlobalProperty pc_compat_1_7[];
268 extern const size_t pc_compat_1_7_len;
269 
270 extern GlobalProperty pc_compat_1_6[];
271 extern const size_t pc_compat_1_6_len;
272 
273 extern GlobalProperty pc_compat_1_5[];
274 extern const size_t pc_compat_1_5_len;
275 
276 extern GlobalProperty pc_compat_1_4[];
277 extern const size_t pc_compat_1_4_len;
278 
279 /* Helper for setting model-id for CPU models that changed model-id
280  * depending on QEMU versions up to QEMU 2.4.
281  */
282 #define PC_CPU_MODEL_IDS(v) \
283     { "qemu32-" TYPE_X86_CPU, "model-id", "QEMU Virtual CPU version " v, },\
284     { "qemu64-" TYPE_X86_CPU, "model-id", "QEMU Virtual CPU version " v, },\
285     { "athlon-" TYPE_X86_CPU, "model-id", "QEMU Virtual CPU version " v, },
286 
287 #define DEFINE_PC_MACHINE(suffix, namestr, initfn, optsfn) \
288     static void pc_machine_##suffix##_class_init(ObjectClass *oc, void *data) \
289     { \
290         MachineClass *mc = MACHINE_CLASS(oc); \
291         optsfn(mc); \
292         mc->init = initfn; \
293     } \
294     static const TypeInfo pc_machine_type_##suffix = { \
295         .name       = namestr TYPE_MACHINE_SUFFIX, \
296         .parent     = TYPE_PC_MACHINE, \
297         .class_init = pc_machine_##suffix##_class_init, \
298     }; \
299     static void pc_machine_init_##suffix(void) \
300     { \
301         type_register(&pc_machine_type_##suffix); \
302     } \
303     type_init(pc_machine_init_##suffix)
304 
305 extern void igd_passthrough_isa_bridge_create(PCIBus *bus, uint16_t gpu_dev_id);
306 #endif
307