xref: /openbmc/qemu/include/hw/i386/pc.h (revision 073d9f2c)
1 #ifndef HW_PC_H
2 #define HW_PC_H
3 
4 #include "qemu-common.h"
5 #include "exec/memory.h"
6 #include "hw/boards.h"
7 #include "hw/isa/isa.h"
8 #include "hw/block/fdc.h"
9 #include "net/net.h"
10 #include "hw/i386/ioapic.h"
11 
12 #include "qemu/range.h"
13 #include "qemu/bitmap.h"
14 #include "sysemu/sysemu.h"
15 #include "hw/pci/pci.h"
16 #include "hw/mem/pc-dimm.h"
17 #include "hw/mem/nvdimm.h"
18 #include "hw/acpi/acpi_dev_interface.h"
19 
20 #define HPET_INTCAP "hpet-intcap"
21 
22 /**
23  * PCMachineState:
24  * @acpi_dev: link to ACPI PM device that performs ACPI hotplug handling
25  * @boot_cpus: number of present VCPUs
26  */
27 struct PCMachineState {
28     /*< private >*/
29     MachineState parent_obj;
30 
31     /* <public> */
32 
33     /* State for other subsystems/APIs: */
34     Notifier machine_done;
35 
36     /* Pointers to devices and objects: */
37     HotplugHandler *acpi_dev;
38     ISADevice *rtc;
39     PCIBus *bus;
40     FWCfgState *fw_cfg;
41     qemu_irq *gsi;
42 
43     /* Configuration options: */
44     uint64_t max_ram_below_4g;
45     OnOffAuto vmport;
46     OnOffAuto smm;
47 
48     AcpiNVDIMMState acpi_nvdimm_state;
49 
50     bool acpi_build_enabled;
51     bool smbus_enabled;
52     bool sata_enabled;
53     bool pit_enabled;
54 
55     /* RAM information (sizes, addresses, configuration): */
56     ram_addr_t below_4g_mem_size, above_4g_mem_size;
57 
58     /* CPU and apic information: */
59     bool apic_xrupt_override;
60     unsigned apic_id_limit;
61     uint16_t boot_cpus;
62 
63     /* NUMA information: */
64     uint64_t numa_nodes;
65     uint64_t *node_mem;
66 
67     /* Address space used by IOAPIC device. All IOAPIC interrupts
68      * will be translated to MSI messages in the address space. */
69     AddressSpace *ioapic_as;
70 };
71 
72 #define PC_MACHINE_ACPI_DEVICE_PROP "acpi-device"
73 #define PC_MACHINE_DEVMEM_REGION_SIZE "device-memory-region-size"
74 #define PC_MACHINE_MAX_RAM_BELOW_4G "max-ram-below-4g"
75 #define PC_MACHINE_VMPORT           "vmport"
76 #define PC_MACHINE_SMM              "smm"
77 #define PC_MACHINE_NVDIMM           "nvdimm"
78 #define PC_MACHINE_NVDIMM_PERSIST   "nvdimm-persistence"
79 #define PC_MACHINE_SMBUS            "smbus"
80 #define PC_MACHINE_SATA             "sata"
81 #define PC_MACHINE_PIT              "pit"
82 
83 /**
84  * PCMachineClass:
85  *
86  * Compat fields:
87  *
88  * @enforce_aligned_dimm: check that DIMM's address/size is aligned by
89  *                        backend's alignment value if provided
90  * @acpi_data_size: Size of the chunk of memory at the top of RAM
91  *                  for the BIOS ACPI tables and other BIOS
92  *                  datastructures.
93  * @gigabyte_align: Make sure that guest addresses aligned at
94  *                  1Gbyte boundaries get mapped to host
95  *                  addresses aligned at 1Gbyte boundaries. This
96  *                  way we can use 1GByte pages in the host.
97  *
98  */
99 typedef struct PCMachineClass {
100     /*< private >*/
101     MachineClass parent_class;
102 
103     /*< public >*/
104 
105     /* Device configuration: */
106     bool pci_enabled;
107     bool kvmclock_enabled;
108     const char *default_nic_model;
109 
110     /* Compat options: */
111 
112     /* ACPI compat: */
113     bool has_acpi_build;
114     bool rsdp_in_ram;
115     int legacy_acpi_table_size;
116     unsigned acpi_data_size;
117 
118     /* SMBIOS compat: */
119     bool smbios_defaults;
120     bool smbios_legacy_mode;
121     bool smbios_uuid_encoded;
122 
123     /* RAM / address space compat: */
124     bool gigabyte_align;
125     bool has_reserved_memory;
126     bool enforce_aligned_dimm;
127     bool broken_reserved_end;
128 
129     /* TSC rate migration: */
130     bool save_tsc_khz;
131     /* generate legacy CPU hotplug AML */
132     bool legacy_cpu_hotplug;
133 
134     /* use DMA capable linuxboot option rom */
135     bool linuxboot_dma_enabled;
136 } PCMachineClass;
137 
138 #define TYPE_PC_MACHINE "generic-pc-machine"
139 #define PC_MACHINE(obj) \
140     OBJECT_CHECK(PCMachineState, (obj), TYPE_PC_MACHINE)
141 #define PC_MACHINE_GET_CLASS(obj) \
142     OBJECT_GET_CLASS(PCMachineClass, (obj), TYPE_PC_MACHINE)
143 #define PC_MACHINE_CLASS(klass) \
144     OBJECT_CLASS_CHECK(PCMachineClass, (klass), TYPE_PC_MACHINE)
145 
146 /* i8259.c */
147 
148 extern DeviceState *isa_pic;
149 qemu_irq *i8259_init(ISABus *bus, qemu_irq parent_irq);
150 qemu_irq *kvm_i8259_init(ISABus *bus);
151 int pic_read_irq(DeviceState *d);
152 int pic_get_output(DeviceState *d);
153 
154 /* ioapic.c */
155 
156 /* Global System Interrupts */
157 
158 #define GSI_NUM_PINS IOAPIC_NUM_PINS
159 
160 typedef struct GSIState {
161     qemu_irq i8259_irq[ISA_NUM_IRQS];
162     qemu_irq ioapic_irq[IOAPIC_NUM_PINS];
163 } GSIState;
164 
165 void gsi_handler(void *opaque, int n, int level);
166 
167 /* vmport.c */
168 #define TYPE_VMPORT "vmport"
169 typedef uint32_t (VMPortReadFunc)(void *opaque, uint32_t address);
170 
171 static inline void vmport_init(ISABus *bus)
172 {
173     isa_create_simple(bus, TYPE_VMPORT);
174 }
175 
176 void vmport_register(unsigned char command, VMPortReadFunc *func, void *opaque);
177 void vmmouse_get_data(uint32_t *data);
178 void vmmouse_set_data(const uint32_t *data);
179 
180 /* pc.c */
181 extern int fd_bootchk;
182 
183 bool pc_machine_is_smm_enabled(PCMachineState *pcms);
184 void pc_register_ferr_irq(qemu_irq irq);
185 void pc_acpi_smi_interrupt(void *opaque, int irq, int level);
186 
187 void pc_cpus_init(PCMachineState *pcms);
188 void pc_hot_add_cpu(const int64_t id, Error **errp);
189 void pc_acpi_init(const char *default_dsdt);
190 
191 void pc_guest_info_init(PCMachineState *pcms);
192 
193 #define PCI_HOST_PROP_PCI_HOLE_START   "pci-hole-start"
194 #define PCI_HOST_PROP_PCI_HOLE_END     "pci-hole-end"
195 #define PCI_HOST_PROP_PCI_HOLE64_START "pci-hole64-start"
196 #define PCI_HOST_PROP_PCI_HOLE64_END   "pci-hole64-end"
197 #define PCI_HOST_PROP_PCI_HOLE64_SIZE  "pci-hole64-size"
198 #define PCI_HOST_BELOW_4G_MEM_SIZE     "below-4g-mem-size"
199 #define PCI_HOST_ABOVE_4G_MEM_SIZE     "above-4g-mem-size"
200 
201 
202 void pc_pci_as_mapping_init(Object *owner, MemoryRegion *system_memory,
203                             MemoryRegion *pci_address_space);
204 
205 void xen_load_linux(PCMachineState *pcms);
206 void pc_memory_init(PCMachineState *pcms,
207                     MemoryRegion *system_memory,
208                     MemoryRegion *rom_memory,
209                     MemoryRegion **ram_memory);
210 uint64_t pc_pci_hole64_start(void);
211 qemu_irq pc_allocate_cpu_irq(void);
212 DeviceState *pc_vga_init(ISABus *isa_bus, PCIBus *pci_bus);
213 void pc_basic_device_init(ISABus *isa_bus, qemu_irq *gsi,
214                           ISADevice **rtc_state,
215                           bool create_fdctrl,
216                           bool no_vmport,
217                           bool has_pit,
218                           uint32_t hpet_irqs);
219 void pc_init_ne2k_isa(ISABus *bus, NICInfo *nd);
220 void pc_cmos_init(PCMachineState *pcms,
221                   BusState *ide0, BusState *ide1,
222                   ISADevice *s);
223 void pc_nic_init(PCMachineClass *pcmc, ISABus *isa_bus, PCIBus *pci_bus);
224 void pc_pci_device_init(PCIBus *pci_bus);
225 
226 typedef void (*cpu_set_smm_t)(int smm, void *arg);
227 
228 void ioapic_init_gsi(GSIState *gsi_state, const char *parent_name);
229 
230 ISADevice *pc_find_fdc0(void);
231 int cmos_get_fd_drive_type(FloppyDriveType fd0);
232 
233 #define FW_CFG_IO_BASE     0x510
234 
235 #define PORT92_A20_LINE "a20"
236 
237 /* acpi_piix.c */
238 
239 I2CBus *piix4_pm_init(PCIBus *bus, int devfn, uint32_t smb_io_base,
240                       qemu_irq sci_irq, qemu_irq smi_irq,
241                       int smm_enabled, DeviceState **piix4_pm);
242 
243 /* hpet.c */
244 extern int no_hpet;
245 
246 /* piix_pci.c */
247 struct PCII440FXState;
248 typedef struct PCII440FXState PCII440FXState;
249 
250 #define TYPE_I440FX_PCI_HOST_BRIDGE "i440FX-pcihost"
251 #define TYPE_I440FX_PCI_DEVICE "i440FX"
252 
253 #define TYPE_IGD_PASSTHROUGH_I440FX_PCI_DEVICE "igd-passthrough-i440FX"
254 
255 /*
256  * Reset Control Register: PCI-accessible ISA-Compatible Register at address
257  * 0xcf9, provided by the PCI/ISA bridge (PIIX3 PCI function 0, 8086:7000).
258  */
259 #define RCR_IOPORT 0xcf9
260 
261 PCIBus *i440fx_init(const char *host_type, const char *pci_type,
262                     PCII440FXState **pi440fx_state, int *piix_devfn,
263                     ISABus **isa_bus, qemu_irq *pic,
264                     MemoryRegion *address_space_mem,
265                     MemoryRegion *address_space_io,
266                     ram_addr_t ram_size,
267                     ram_addr_t below_4g_mem_size,
268                     ram_addr_t above_4g_mem_size,
269                     MemoryRegion *pci_memory,
270                     MemoryRegion *ram_memory);
271 
272 PCIBus *find_i440fx(void);
273 /* piix4.c */
274 extern PCIDevice *piix4_dev;
275 int piix4_init(PCIBus *bus, ISABus **isa_bus, int devfn);
276 
277 /* pc_sysfw.c */
278 void pc_system_firmware_init(MemoryRegion *rom_memory,
279                              bool isapc_ram_fw);
280 
281 /* acpi-build.c */
282 void pc_madt_cpu_entry(AcpiDeviceIf *adev, int uid,
283                        const CPUArchIdList *apic_ids, GArray *entry);
284 
285 /* e820 types */
286 #define E820_RAM        1
287 #define E820_RESERVED   2
288 #define E820_ACPI       3
289 #define E820_NVS        4
290 #define E820_UNUSABLE   5
291 
292 int e820_add_entry(uint64_t, uint64_t, uint32_t);
293 int e820_get_num_entries(void);
294 bool e820_get_entry(int, uint32_t, uint64_t *, uint64_t *);
295 
296 extern GlobalProperty pc_compat_3_1[];
297 extern const size_t pc_compat_3_1_len;
298 
299 extern GlobalProperty pc_compat_3_0[];
300 extern const size_t pc_compat_3_0_len;
301 
302 extern GlobalProperty pc_compat_2_12[];
303 extern const size_t pc_compat_2_12_len;
304 
305 extern GlobalProperty pc_compat_2_11[];
306 extern const size_t pc_compat_2_11_len;
307 
308 extern GlobalProperty pc_compat_2_10[];
309 extern const size_t pc_compat_2_10_len;
310 
311 extern GlobalProperty pc_compat_2_9[];
312 extern const size_t pc_compat_2_9_len;
313 
314 extern GlobalProperty pc_compat_2_8[];
315 extern const size_t pc_compat_2_8_len;
316 
317 extern GlobalProperty pc_compat_2_7[];
318 extern const size_t pc_compat_2_7_len;
319 
320 extern GlobalProperty pc_compat_2_6[];
321 extern const size_t pc_compat_2_6_len;
322 
323 extern GlobalProperty pc_compat_2_5[];
324 extern const size_t pc_compat_2_5_len;
325 
326 extern GlobalProperty pc_compat_2_4[];
327 extern const size_t pc_compat_2_4_len;
328 
329 extern GlobalProperty pc_compat_2_3[];
330 extern const size_t pc_compat_2_3_len;
331 
332 extern GlobalProperty pc_compat_2_2[];
333 extern const size_t pc_compat_2_2_len;
334 
335 extern GlobalProperty pc_compat_2_1[];
336 extern const size_t pc_compat_2_1_len;
337 
338 extern GlobalProperty pc_compat_2_0[];
339 extern const size_t pc_compat_2_0_len;
340 
341 extern GlobalProperty pc_compat_1_7[];
342 extern const size_t pc_compat_1_7_len;
343 
344 extern GlobalProperty pc_compat_1_6[];
345 extern const size_t pc_compat_1_6_len;
346 
347 extern GlobalProperty pc_compat_1_5[];
348 extern const size_t pc_compat_1_5_len;
349 
350 extern GlobalProperty pc_compat_1_4[];
351 extern const size_t pc_compat_1_4_len;
352 
353 /* Helper for setting model-id for CPU models that changed model-id
354  * depending on QEMU versions up to QEMU 2.4.
355  */
356 #define PC_CPU_MODEL_IDS(v) \
357     { "qemu32-" TYPE_X86_CPU, "model-id", "QEMU Virtual CPU version " v, },\
358     { "qemu64-" TYPE_X86_CPU, "model-id", "QEMU Virtual CPU version " v, },\
359     { "athlon-" TYPE_X86_CPU, "model-id", "QEMU Virtual CPU version " v, },
360 
361 #define DEFINE_PC_MACHINE(suffix, namestr, initfn, optsfn) \
362     static void pc_machine_##suffix##_class_init(ObjectClass *oc, void *data) \
363     { \
364         MachineClass *mc = MACHINE_CLASS(oc); \
365         optsfn(mc); \
366         mc->init = initfn; \
367     } \
368     static const TypeInfo pc_machine_type_##suffix = { \
369         .name       = namestr TYPE_MACHINE_SUFFIX, \
370         .parent     = TYPE_PC_MACHINE, \
371         .class_init = pc_machine_##suffix##_class_init, \
372     }; \
373     static void pc_machine_init_##suffix(void) \
374     { \
375         type_register(&pc_machine_type_##suffix); \
376     } \
377     type_init(pc_machine_init_##suffix)
378 
379 extern void igd_passthrough_isa_bridge_create(PCIBus *bus, uint16_t gpu_dev_id);
380 #endif
381