xref: /qemu/include/hw/i386/pc.h (revision 06905f64)
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  */
23 typedef struct PCMachineState {
24     /*< private >*/
25     X86MachineState parent_obj;
26 
27     /* <public> */
28 
29     /* State for other subsystems/APIs: */
30     Notifier machine_done;
31 
32     /* Pointers to devices and objects: */
33     PCIBus *bus;
34     I2CBus *smbus;
35     PFlashCFI01 *flash[2];
36     ISADevice *pcspk;
37 
38     /* Configuration options: */
39     uint64_t max_ram_below_4g;
40     OnOffAuto vmport;
41 
42     bool acpi_build_enabled;
43     bool smbus_enabled;
44     bool sata_enabled;
45     bool pit_enabled;
46     bool hpet_enabled;
47     bool default_bus_bypass_iommu;
48     uint64_t max_fw_size;
49 
50     /* ACPI Memory hotplug IO base address */
51     hwaddr memhp_io_base;
52 } PCMachineState;
53 
54 #define PC_MACHINE_ACPI_DEVICE_PROP "acpi-device"
55 #define PC_MACHINE_MAX_RAM_BELOW_4G "max-ram-below-4g"
56 #define PC_MACHINE_DEVMEM_REGION_SIZE "device-memory-region-size"
57 #define PC_MACHINE_VMPORT           "vmport"
58 #define PC_MACHINE_SMBUS            "smbus"
59 #define PC_MACHINE_SATA             "sata"
60 #define PC_MACHINE_PIT              "pit"
61 #define PC_MACHINE_MAX_FW_SIZE      "max-fw-size"
62 /**
63  * PCMachineClass:
64  *
65  * Compat fields:
66  *
67  * @enforce_aligned_dimm: check that DIMM's address/size is aligned by
68  *                        backend's alignment value if provided
69  * @acpi_data_size: Size of the chunk of memory at the top of RAM
70  *                  for the BIOS ACPI tables and other BIOS
71  *                  datastructures.
72  * @gigabyte_align: Make sure that guest addresses aligned at
73  *                  1Gbyte boundaries get mapped to host
74  *                  addresses aligned at 1Gbyte boundaries. This
75  *                  way we can use 1GByte pages in the host.
76  *
77  */
78 struct PCMachineClass {
79     /*< private >*/
80     X86MachineClass parent_class;
81 
82     /*< public >*/
83 
84     /* Device configuration: */
85     bool pci_enabled;
86     bool kvmclock_enabled;
87     const char *default_nic_model;
88 
89     /* Compat options: */
90 
91     /* Default CPU model version.  See x86_cpu_set_default_version(). */
92     int default_cpu_version;
93 
94     /* ACPI compat: */
95     bool has_acpi_build;
96     bool rsdp_in_ram;
97     int legacy_acpi_table_size;
98     unsigned acpi_data_size;
99     bool do_not_add_smb_acpi;
100     int pci_root_uid;
101 
102     /* SMBIOS compat: */
103     bool smbios_defaults;
104     bool smbios_legacy_mode;
105     bool smbios_uuid_encoded;
106 
107     /* RAM / address space compat: */
108     bool gigabyte_align;
109     bool has_reserved_memory;
110     bool enforce_aligned_dimm;
111     bool broken_reserved_end;
112 
113     /* generate legacy CPU hotplug AML */
114     bool legacy_cpu_hotplug;
115 
116     /* use DMA capable linuxboot option rom */
117     bool linuxboot_dma_enabled;
118 
119     /* use PVH to load kernels that support this feature */
120     bool pvh_enabled;
121 
122     /* create kvmclock device even when KVM PV features are not exposed */
123     bool kvmclock_create_always;
124 };
125 
126 #define TYPE_PC_MACHINE "generic-pc-machine"
127 OBJECT_DECLARE_TYPE(PCMachineState, PCMachineClass, PC_MACHINE)
128 
129 /* ioapic.c */
130 
131 GSIState *pc_gsi_create(qemu_irq **irqs, bool pci_enabled);
132 
133 /* pc.c */
134 extern int fd_bootchk;
135 
136 void pc_acpi_smi_interrupt(void *opaque, int irq, int level);
137 
138 void pc_guest_info_init(PCMachineState *pcms);
139 
140 #define PCI_HOST_PROP_PCI_HOLE_START   "pci-hole-start"
141 #define PCI_HOST_PROP_PCI_HOLE_END     "pci-hole-end"
142 #define PCI_HOST_PROP_PCI_HOLE64_START "pci-hole64-start"
143 #define PCI_HOST_PROP_PCI_HOLE64_END   "pci-hole64-end"
144 #define PCI_HOST_PROP_PCI_HOLE64_SIZE  "pci-hole64-size"
145 #define PCI_HOST_BELOW_4G_MEM_SIZE     "below-4g-mem-size"
146 #define PCI_HOST_ABOVE_4G_MEM_SIZE     "above-4g-mem-size"
147 
148 
149 void pc_pci_as_mapping_init(Object *owner, MemoryRegion *system_memory,
150                             MemoryRegion *pci_address_space);
151 
152 void xen_load_linux(PCMachineState *pcms);
153 void pc_memory_init(PCMachineState *pcms,
154                     MemoryRegion *system_memory,
155                     MemoryRegion *rom_memory,
156                     MemoryRegion **ram_memory);
157 uint64_t pc_pci_hole64_start(void);
158 DeviceState *pc_vga_init(ISABus *isa_bus, PCIBus *pci_bus);
159 void pc_basic_device_init(struct PCMachineState *pcms,
160                           ISABus *isa_bus, qemu_irq *gsi,
161                           ISADevice **rtc_state,
162                           bool create_fdctrl,
163                           uint32_t hpet_irqs);
164 void pc_init_ne2k_isa(ISABus *bus, NICInfo *nd);
165 void pc_cmos_init(PCMachineState *pcms,
166                   BusState *ide0, BusState *ide1,
167                   ISADevice *s);
168 void pc_nic_init(PCMachineClass *pcmc, ISABus *isa_bus, PCIBus *pci_bus);
169 void pc_pci_device_init(PCIBus *pci_bus);
170 
171 typedef void (*cpu_set_smm_t)(int smm, void *arg);
172 
173 void pc_i8259_create(ISABus *isa_bus, qemu_irq *i8259_irqs);
174 
175 ISADevice *pc_find_fdc0(void);
176 
177 /* port92.c */
178 #define PORT92_A20_LINE "a20"
179 
180 #define TYPE_PORT92 "port92"
181 
182 /* pc_sysfw.c */
183 void pc_system_flash_create(PCMachineState *pcms);
184 void pc_system_flash_cleanup_unused(PCMachineState *pcms);
185 void pc_system_firmware_init(PCMachineState *pcms, MemoryRegion *rom_memory);
186 bool pc_system_ovmf_table_find(const char *entry, uint8_t **data,
187                                int *data_len);
188 void pc_system_parse_ovmf_flash(uint8_t *flash_ptr, size_t flash_size);
189 
190 
191 /* acpi-build.c */
192 void pc_madt_cpu_entry(AcpiDeviceIf *adev, int uid,
193                        const CPUArchIdList *apic_ids, GArray *entry);
194 
195 extern GlobalProperty pc_compat_6_1[];
196 extern const size_t pc_compat_6_1_len;
197 
198 extern GlobalProperty pc_compat_6_0[];
199 extern const size_t pc_compat_6_0_len;
200 
201 extern GlobalProperty pc_compat_5_2[];
202 extern const size_t pc_compat_5_2_len;
203 
204 extern GlobalProperty pc_compat_5_1[];
205 extern const size_t pc_compat_5_1_len;
206 
207 extern GlobalProperty pc_compat_5_0[];
208 extern const size_t pc_compat_5_0_len;
209 
210 extern GlobalProperty pc_compat_4_2[];
211 extern const size_t pc_compat_4_2_len;
212 
213 extern GlobalProperty pc_compat_4_1[];
214 extern const size_t pc_compat_4_1_len;
215 
216 extern GlobalProperty pc_compat_4_0[];
217 extern const size_t pc_compat_4_0_len;
218 
219 extern GlobalProperty pc_compat_3_1[];
220 extern const size_t pc_compat_3_1_len;
221 
222 extern GlobalProperty pc_compat_3_0[];
223 extern const size_t pc_compat_3_0_len;
224 
225 extern GlobalProperty pc_compat_2_12[];
226 extern const size_t pc_compat_2_12_len;
227 
228 extern GlobalProperty pc_compat_2_11[];
229 extern const size_t pc_compat_2_11_len;
230 
231 extern GlobalProperty pc_compat_2_10[];
232 extern const size_t pc_compat_2_10_len;
233 
234 extern GlobalProperty pc_compat_2_9[];
235 extern const size_t pc_compat_2_9_len;
236 
237 extern GlobalProperty pc_compat_2_8[];
238 extern const size_t pc_compat_2_8_len;
239 
240 extern GlobalProperty pc_compat_2_7[];
241 extern const size_t pc_compat_2_7_len;
242 
243 extern GlobalProperty pc_compat_2_6[];
244 extern const size_t pc_compat_2_6_len;
245 
246 extern GlobalProperty pc_compat_2_5[];
247 extern const size_t pc_compat_2_5_len;
248 
249 extern GlobalProperty pc_compat_2_4[];
250 extern const size_t pc_compat_2_4_len;
251 
252 extern GlobalProperty pc_compat_2_3[];
253 extern const size_t pc_compat_2_3_len;
254 
255 extern GlobalProperty pc_compat_2_2[];
256 extern const size_t pc_compat_2_2_len;
257 
258 extern GlobalProperty pc_compat_2_1[];
259 extern const size_t pc_compat_2_1_len;
260 
261 extern GlobalProperty pc_compat_2_0[];
262 extern const size_t pc_compat_2_0_len;
263 
264 extern GlobalProperty pc_compat_1_7[];
265 extern const size_t pc_compat_1_7_len;
266 
267 extern GlobalProperty pc_compat_1_6[];
268 extern const size_t pc_compat_1_6_len;
269 
270 extern GlobalProperty pc_compat_1_5[];
271 extern const size_t pc_compat_1_5_len;
272 
273 extern GlobalProperty pc_compat_1_4[];
274 extern const size_t pc_compat_1_4_len;
275 
276 /* Helper for setting model-id for CPU models that changed model-id
277  * depending on QEMU versions up to QEMU 2.4.
278  */
279 #define PC_CPU_MODEL_IDS(v) \
280     { "qemu32-" TYPE_X86_CPU, "model-id", "QEMU Virtual CPU version " v, },\
281     { "qemu64-" TYPE_X86_CPU, "model-id", "QEMU Virtual CPU version " v, },\
282     { "athlon-" TYPE_X86_CPU, "model-id", "QEMU Virtual CPU version " v, },
283 
284 #define DEFINE_PC_MACHINE(suffix, namestr, initfn, optsfn) \
285     static void pc_machine_##suffix##_class_init(ObjectClass *oc, void *data) \
286     { \
287         MachineClass *mc = MACHINE_CLASS(oc); \
288         optsfn(mc); \
289         mc->init = initfn; \
290     } \
291     static const TypeInfo pc_machine_type_##suffix = { \
292         .name       = namestr TYPE_MACHINE_SUFFIX, \
293         .parent     = TYPE_PC_MACHINE, \
294         .class_init = pc_machine_##suffix##_class_init, \
295     }; \
296     static void pc_machine_init_##suffix(void) \
297     { \
298         type_register(&pc_machine_type_##suffix); \
299     } \
300     type_init(pc_machine_init_##suffix)
301 
302 extern void igd_passthrough_isa_bridge_create(PCIBus *bus, uint16_t gpu_dev_id);
303 #endif
304