xref: /qemu/include/hw/i386/pc.h (revision db1015e92e04835c9eb50c29625fe566d1202dbd)
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 "hw/boards.h"
7 #include "hw/block/fdc.h"
8 #include "hw/block/flash.h"
9 #include "hw/i386/x86.h"
10 
11 #include "hw/acpi/acpi_dev_interface.h"
12 #include "hw/hotplug.h"
13 #include "qom/object.h"
14 
15 #define HPET_INTCAP "hpet-intcap"
16 
17 /**
18  * PCMachineState:
19  * @acpi_dev: link to ACPI PM device that performs ACPI hotplug handling
20  * @boot_cpus: number of present VCPUs
21  * @smp_dies: number of dies per one package
22  */
23 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     HotplugHandler *acpi_dev;
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 
48     /* NUMA information: */
49     uint64_t numa_nodes;
50     uint64_t *node_mem;
51 
52     /* ACPI Memory hotplug IO base address */
53     hwaddr memhp_io_base;
54 };
55 
56 #define PC_MACHINE_ACPI_DEVICE_PROP "acpi-device"
57 #define PC_MACHINE_MAX_RAM_BELOW_4G "max-ram-below-4g"
58 #define PC_MACHINE_DEVMEM_REGION_SIZE "device-memory-region-size"
59 #define PC_MACHINE_VMPORT           "vmport"
60 #define PC_MACHINE_SMBUS            "smbus"
61 #define PC_MACHINE_SATA             "sata"
62 #define PC_MACHINE_PIT              "pit"
63 
64 /**
65  * PCMachineClass:
66  *
67  * Compat fields:
68  *
69  * @enforce_aligned_dimm: check that DIMM's address/size is aligned by
70  *                        backend's alignment value if provided
71  * @acpi_data_size: Size of the chunk of memory at the top of RAM
72  *                  for the BIOS ACPI tables and other BIOS
73  *                  datastructures.
74  * @gigabyte_align: Make sure that guest addresses aligned at
75  *                  1Gbyte boundaries get mapped to host
76  *                  addresses aligned at 1Gbyte boundaries. This
77  *                  way we can use 1GByte pages in the host.
78  *
79  */
80 struct PCMachineClass {
81     /*< private >*/
82     X86MachineClass parent_class;
83 
84     /*< public >*/
85 
86     /* Device configuration: */
87     bool pci_enabled;
88     bool kvmclock_enabled;
89     const char *default_nic_model;
90 
91     /* Compat options: */
92 
93     /* Default CPU model version.  See x86_cpu_set_default_version(). */
94     int default_cpu_version;
95 
96     /* ACPI compat: */
97     bool has_acpi_build;
98     bool rsdp_in_ram;
99     int legacy_acpi_table_size;
100     unsigned acpi_data_size;
101     bool do_not_add_smb_acpi;
102 
103     /* SMBIOS compat: */
104     bool smbios_defaults;
105     bool smbios_legacy_mode;
106     bool smbios_uuid_encoded;
107 
108     /* RAM / address space compat: */
109     bool gigabyte_align;
110     bool has_reserved_memory;
111     bool enforce_aligned_dimm;
112     bool broken_reserved_end;
113 
114     /* generate legacy CPU hotplug AML */
115     bool legacy_cpu_hotplug;
116 
117     /* use DMA capable linuxboot option rom */
118     bool linuxboot_dma_enabled;
119 
120     /* use PVH to load kernels that support this feature */
121     bool pvh_enabled;
122 };
123 typedef struct PCMachineClass PCMachineClass;
124 
125 #define TYPE_PC_MACHINE "generic-pc-machine"
126 #define PC_MACHINE(obj) \
127     OBJECT_CHECK(PCMachineState, (obj), TYPE_PC_MACHINE)
128 #define PC_MACHINE_GET_CLASS(obj) \
129     OBJECT_GET_CLASS(PCMachineClass, (obj), TYPE_PC_MACHINE)
130 #define PC_MACHINE_CLASS(klass) \
131     OBJECT_CLASS_CHECK(PCMachineClass, (klass), TYPE_PC_MACHINE)
132 
133 /* ioapic.c */
134 
135 GSIState *pc_gsi_create(qemu_irq **irqs, bool pci_enabled);
136 
137 /* pc.c */
138 extern int fd_bootchk;
139 
140 void pc_acpi_smi_interrupt(void *opaque, int irq, int level);
141 
142 void pc_hot_add_cpu(MachineState *ms, const int64_t id, Error **errp);
143 void pc_smp_parse(MachineState *ms, QemuOpts *opts);
144 
145 void pc_guest_info_init(PCMachineState *pcms);
146 
147 #define PCI_HOST_PROP_PCI_HOLE_START   "pci-hole-start"
148 #define PCI_HOST_PROP_PCI_HOLE_END     "pci-hole-end"
149 #define PCI_HOST_PROP_PCI_HOLE64_START "pci-hole64-start"
150 #define PCI_HOST_PROP_PCI_HOLE64_END   "pci-hole64-end"
151 #define PCI_HOST_PROP_PCI_HOLE64_SIZE  "pci-hole64-size"
152 #define PCI_HOST_BELOW_4G_MEM_SIZE     "below-4g-mem-size"
153 #define PCI_HOST_ABOVE_4G_MEM_SIZE     "above-4g-mem-size"
154 
155 
156 void pc_pci_as_mapping_init(Object *owner, MemoryRegion *system_memory,
157                             MemoryRegion *pci_address_space);
158 
159 void xen_load_linux(PCMachineState *pcms);
160 void pc_memory_init(PCMachineState *pcms,
161                     MemoryRegion *system_memory,
162                     MemoryRegion *rom_memory,
163                     MemoryRegion **ram_memory);
164 uint64_t pc_pci_hole64_start(void);
165 DeviceState *pc_vga_init(ISABus *isa_bus, PCIBus *pci_bus);
166 void pc_basic_device_init(struct PCMachineState *pcms,
167                           ISABus *isa_bus, qemu_irq *gsi,
168                           ISADevice **rtc_state,
169                           bool create_fdctrl,
170                           uint32_t hpet_irqs);
171 void pc_init_ne2k_isa(ISABus *bus, NICInfo *nd);
172 void pc_cmos_init(PCMachineState *pcms,
173                   BusState *ide0, BusState *ide1,
174                   ISADevice *s);
175 void pc_nic_init(PCMachineClass *pcmc, ISABus *isa_bus, PCIBus *pci_bus);
176 void pc_pci_device_init(PCIBus *pci_bus);
177 
178 typedef void (*cpu_set_smm_t)(int smm, void *arg);
179 
180 void pc_i8259_create(ISABus *isa_bus, qemu_irq *i8259_irqs);
181 
182 ISADevice *pc_find_fdc0(void);
183 
184 /* port92.c */
185 #define PORT92_A20_LINE "a20"
186 
187 #define TYPE_PORT92 "port92"
188 
189 /* pc_sysfw.c */
190 void pc_system_flash_create(PCMachineState *pcms);
191 void pc_system_flash_cleanup_unused(PCMachineState *pcms);
192 void pc_system_firmware_init(PCMachineState *pcms, MemoryRegion *rom_memory);
193 
194 /* acpi-build.c */
195 void pc_madt_cpu_entry(AcpiDeviceIf *adev, int uid,
196                        const CPUArchIdList *apic_ids, GArray *entry);
197 
198 extern GlobalProperty pc_compat_5_1[];
199 extern const size_t pc_compat_5_1_len;
200 
201 extern GlobalProperty pc_compat_5_0[];
202 extern const size_t pc_compat_5_0_len;
203 
204 extern GlobalProperty pc_compat_4_2[];
205 extern const size_t pc_compat_4_2_len;
206 
207 extern GlobalProperty pc_compat_4_1[];
208 extern const size_t pc_compat_4_1_len;
209 
210 extern GlobalProperty pc_compat_4_0[];
211 extern const size_t pc_compat_4_0_len;
212 
213 extern GlobalProperty pc_compat_3_1[];
214 extern const size_t pc_compat_3_1_len;
215 
216 extern GlobalProperty pc_compat_3_0[];
217 extern const size_t pc_compat_3_0_len;
218 
219 extern GlobalProperty pc_compat_2_12[];
220 extern const size_t pc_compat_2_12_len;
221 
222 extern GlobalProperty pc_compat_2_11[];
223 extern const size_t pc_compat_2_11_len;
224 
225 extern GlobalProperty pc_compat_2_10[];
226 extern const size_t pc_compat_2_10_len;
227 
228 extern GlobalProperty pc_compat_2_9[];
229 extern const size_t pc_compat_2_9_len;
230 
231 extern GlobalProperty pc_compat_2_8[];
232 extern const size_t pc_compat_2_8_len;
233 
234 extern GlobalProperty pc_compat_2_7[];
235 extern const size_t pc_compat_2_7_len;
236 
237 extern GlobalProperty pc_compat_2_6[];
238 extern const size_t pc_compat_2_6_len;
239 
240 extern GlobalProperty pc_compat_2_5[];
241 extern const size_t pc_compat_2_5_len;
242 
243 extern GlobalProperty pc_compat_2_4[];
244 extern const size_t pc_compat_2_4_len;
245 
246 extern GlobalProperty pc_compat_2_3[];
247 extern const size_t pc_compat_2_3_len;
248 
249 extern GlobalProperty pc_compat_2_2[];
250 extern const size_t pc_compat_2_2_len;
251 
252 extern GlobalProperty pc_compat_2_1[];
253 extern const size_t pc_compat_2_1_len;
254 
255 extern GlobalProperty pc_compat_2_0[];
256 extern const size_t pc_compat_2_0_len;
257 
258 extern GlobalProperty pc_compat_1_7[];
259 extern const size_t pc_compat_1_7_len;
260 
261 extern GlobalProperty pc_compat_1_6[];
262 extern const size_t pc_compat_1_6_len;
263 
264 extern GlobalProperty pc_compat_1_5[];
265 extern const size_t pc_compat_1_5_len;
266 
267 extern GlobalProperty pc_compat_1_4[];
268 extern const size_t pc_compat_1_4_len;
269 
270 /* Helper for setting model-id for CPU models that changed model-id
271  * depending on QEMU versions up to QEMU 2.4.
272  */
273 #define PC_CPU_MODEL_IDS(v) \
274     { "qemu32-" TYPE_X86_CPU, "model-id", "QEMU Virtual CPU version " v, },\
275     { "qemu64-" TYPE_X86_CPU, "model-id", "QEMU Virtual CPU version " v, },\
276     { "athlon-" TYPE_X86_CPU, "model-id", "QEMU Virtual CPU version " v, },
277 
278 #define DEFINE_PC_MACHINE(suffix, namestr, initfn, optsfn) \
279     static void pc_machine_##suffix##_class_init(ObjectClass *oc, void *data) \
280     { \
281         MachineClass *mc = MACHINE_CLASS(oc); \
282         optsfn(mc); \
283         mc->init = initfn; \
284     } \
285     static const TypeInfo pc_machine_type_##suffix = { \
286         .name       = namestr TYPE_MACHINE_SUFFIX, \
287         .parent     = TYPE_PC_MACHINE, \
288         .class_init = pc_machine_##suffix##_class_init, \
289     }; \
290     static void pc_machine_init_##suffix(void) \
291     { \
292         type_register(&pc_machine_type_##suffix); \
293     } \
294     type_init(pc_machine_init_##suffix)
295 
296 extern void igd_passthrough_isa_bridge_create(PCIBus *bus, uint16_t gpu_dev_id);
297 #endif
298