xref: /qemu/include/hw/i386/pc.h (revision d072cdf3)
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/boards.h"
17 
18 #define HPET_INTCAP "hpet-intcap"
19 
20 /**
21  * PCMachineState:
22  * @hotplug_memory_base: address in guest RAM address space where hotplug memory
23  * address space begins.
24  * @hotplug_memory: hotplug memory addess space container
25  * @acpi_dev: link to ACPI PM device that performs ACPI hotplug handling
26  */
27 struct PCMachineState {
28     /*< private >*/
29     MachineState parent_obj;
30 
31     /* <public> */
32     ram_addr_t hotplug_memory_base;
33     MemoryRegion hotplug_memory;
34 
35     HotplugHandler *acpi_dev;
36 
37     uint64_t max_ram_below_4g;
38 };
39 
40 #define PC_MACHINE_ACPI_DEVICE_PROP "acpi-device"
41 #define PC_MACHINE_MEMHP_REGION_SIZE "hotplug-memory-region-size"
42 #define PC_MACHINE_MAX_RAM_BELOW_4G "max-ram-below-4g"
43 
44 /**
45  * PCMachineClass:
46  * @get_hotplug_handler: pointer to parent class callback @get_hotplug_handler
47  */
48 struct PCMachineClass {
49     /*< private >*/
50     MachineClass parent_class;
51 
52     /*< public >*/
53     HotplugHandler *(*get_hotplug_handler)(MachineState *machine,
54                                            DeviceState *dev);
55 };
56 
57 typedef struct PCMachineState PCMachineState;
58 typedef struct PCMachineClass PCMachineClass;
59 
60 #define TYPE_PC_MACHINE "generic-pc-machine"
61 #define PC_MACHINE(obj) \
62     OBJECT_CHECK(PCMachineState, (obj), TYPE_PC_MACHINE)
63 #define PC_MACHINE_GET_CLASS(obj) \
64     OBJECT_GET_CLASS(PCMachineClass, (obj), TYPE_PC_MACHINE)
65 #define PC_MACHINE_CLASS(klass) \
66     OBJECT_CLASS_CHECK(PCMachineClass, (klass), TYPE_PC_MACHINE)
67 
68 void qemu_register_pc_machine(QEMUMachine *m);
69 
70 /* PC-style peripherals (also used by other machines).  */
71 
72 typedef struct PcPciInfo {
73     Range w32;
74     Range w64;
75 } PcPciInfo;
76 
77 #define ACPI_PM_PROP_S3_DISABLED "disable_s3"
78 #define ACPI_PM_PROP_S4_DISABLED "disable_s4"
79 #define ACPI_PM_PROP_S4_VAL "s4_val"
80 #define ACPI_PM_PROP_SCI_INT "sci_int"
81 #define ACPI_PM_PROP_ACPI_ENABLE_CMD "acpi_enable_cmd"
82 #define ACPI_PM_PROP_ACPI_DISABLE_CMD "acpi_disable_cmd"
83 #define ACPI_PM_PROP_PM_IO_BASE "pm_io_base"
84 #define ACPI_PM_PROP_GPE0_BLK "gpe0_blk"
85 #define ACPI_PM_PROP_GPE0_BLK_LEN "gpe0_blk_len"
86 
87 struct PcGuestInfo {
88     bool isapc_ram_fw;
89     hwaddr ram_size, ram_size_below_4g;
90     unsigned apic_id_limit;
91     bool apic_xrupt_override;
92     uint64_t numa_nodes;
93     uint64_t *node_mem;
94     uint64_t *node_cpu;
95     FWCfgState *fw_cfg;
96     int legacy_acpi_table_size;
97     bool has_acpi_build;
98     bool has_reserved_memory;
99 };
100 
101 /* parallel.c */
102 static inline bool parallel_init(ISABus *bus, int index, CharDriverState *chr)
103 {
104     DeviceState *dev;
105     ISADevice *isadev;
106 
107     isadev = isa_try_create(bus, "isa-parallel");
108     if (!isadev) {
109         return false;
110     }
111     dev = DEVICE(isadev);
112     qdev_prop_set_uint32(dev, "index", index);
113     qdev_prop_set_chr(dev, "chardev", chr);
114     if (qdev_init(dev) < 0) {
115         return false;
116     }
117     return true;
118 }
119 
120 bool parallel_mm_init(MemoryRegion *address_space,
121                       hwaddr base, int it_shift, qemu_irq irq,
122                       CharDriverState *chr);
123 
124 /* i8259.c */
125 
126 extern DeviceState *isa_pic;
127 qemu_irq *i8259_init(ISABus *bus, qemu_irq parent_irq);
128 qemu_irq *kvm_i8259_init(ISABus *bus);
129 int pic_read_irq(DeviceState *d);
130 int pic_get_output(DeviceState *d);
131 void pic_info(Monitor *mon, const QDict *qdict);
132 void irq_info(Monitor *mon, const QDict *qdict);
133 
134 /* Global System Interrupts */
135 
136 #define GSI_NUM_PINS IOAPIC_NUM_PINS
137 
138 typedef struct GSIState {
139     qemu_irq i8259_irq[ISA_NUM_IRQS];
140     qemu_irq ioapic_irq[IOAPIC_NUM_PINS];
141 } GSIState;
142 
143 void gsi_handler(void *opaque, int n, int level);
144 
145 /* vmport.c */
146 typedef uint32_t (VMPortReadFunc)(void *opaque, uint32_t address);
147 
148 static inline void vmport_init(ISABus *bus)
149 {
150     isa_create_simple(bus, "vmport");
151 }
152 
153 void vmport_register(unsigned char command, VMPortReadFunc *func, void *opaque);
154 void vmmouse_get_data(uint32_t *data);
155 void vmmouse_set_data(const uint32_t *data);
156 
157 /* pckbd.c */
158 
159 void i8042_init(qemu_irq kbd_irq, qemu_irq mouse_irq, uint32_t io_base);
160 void i8042_mm_init(qemu_irq kbd_irq, qemu_irq mouse_irq,
161                    MemoryRegion *region, ram_addr_t size,
162                    hwaddr mask);
163 void i8042_isa_mouse_fake_event(void *opaque);
164 void i8042_setup_a20_line(ISADevice *dev, qemu_irq *a20_out);
165 
166 /* pc.c */
167 extern int fd_bootchk;
168 
169 void pc_register_ferr_irq(qemu_irq irq);
170 void pc_acpi_smi_interrupt(void *opaque, int irq, int level);
171 
172 void pc_cpus_init(const char *cpu_model, DeviceState *icc_bridge);
173 void pc_hot_add_cpu(const int64_t id, Error **errp);
174 void pc_acpi_init(const char *default_dsdt);
175 
176 PcGuestInfo *pc_guest_info_init(ram_addr_t below_4g_mem_size,
177                                 ram_addr_t above_4g_mem_size);
178 
179 #define PCI_HOST_PROP_PCI_HOLE_START   "pci-hole-start"
180 #define PCI_HOST_PROP_PCI_HOLE_END     "pci-hole-end"
181 #define PCI_HOST_PROP_PCI_HOLE64_START "pci-hole64-start"
182 #define PCI_HOST_PROP_PCI_HOLE64_END   "pci-hole64-end"
183 #define PCI_HOST_PROP_PCI_HOLE64_SIZE  "pci-hole64-size"
184 #define DEFAULT_PCI_HOLE64_SIZE (~0x0ULL)
185 
186 
187 void pc_pci_as_mapping_init(Object *owner, MemoryRegion *system_memory,
188                             MemoryRegion *pci_address_space);
189 
190 FWCfgState *xen_load_linux(const char *kernel_filename,
191                            const char *kernel_cmdline,
192                            const char *initrd_filename,
193                            ram_addr_t below_4g_mem_size,
194                            PcGuestInfo *guest_info);
195 FWCfgState *pc_memory_init(MachineState *machine,
196                            MemoryRegion *system_memory,
197                            ram_addr_t below_4g_mem_size,
198                            ram_addr_t above_4g_mem_size,
199                            MemoryRegion *rom_memory,
200                            MemoryRegion **ram_memory,
201                            PcGuestInfo *guest_info);
202 qemu_irq *pc_allocate_cpu_irq(void);
203 DeviceState *pc_vga_init(ISABus *isa_bus, PCIBus *pci_bus);
204 void pc_basic_device_init(ISABus *isa_bus, qemu_irq *gsi,
205                           ISADevice **rtc_state,
206                           ISADevice **floppy,
207                           bool no_vmport,
208                           uint32 hpet_irqs);
209 void pc_init_ne2k_isa(ISABus *bus, NICInfo *nd);
210 void pc_cmos_init(ram_addr_t ram_size, ram_addr_t above_4g_mem_size,
211                   const char *boot_device,
212                   ISADevice *floppy, BusState *ide0, BusState *ide1,
213                   ISADevice *s);
214 void pc_nic_init(ISABus *isa_bus, PCIBus *pci_bus);
215 void pc_pci_device_init(PCIBus *pci_bus);
216 
217 typedef void (*cpu_set_smm_t)(int smm, void *arg);
218 void cpu_smm_register(cpu_set_smm_t callback, void *arg);
219 
220 void ioapic_init_gsi(GSIState *gsi_state, const char *parent_name);
221 
222 /* acpi_piix.c */
223 
224 I2CBus *piix4_pm_init(PCIBus *bus, int devfn, uint32_t smb_io_base,
225                       qemu_irq sci_irq, qemu_irq smi_irq,
226                       int kvm_enabled, FWCfgState *fw_cfg,
227                       DeviceState **piix4_pm);
228 void piix4_smbus_register_device(SMBusDevice *dev, uint8_t addr);
229 
230 /* hpet.c */
231 extern int no_hpet;
232 
233 /* piix_pci.c */
234 struct PCII440FXState;
235 typedef struct PCII440FXState PCII440FXState;
236 
237 PCIBus *i440fx_init(PCII440FXState **pi440fx_state, int *piix_devfn,
238                     ISABus **isa_bus, qemu_irq *pic,
239                     MemoryRegion *address_space_mem,
240                     MemoryRegion *address_space_io,
241                     ram_addr_t ram_size,
242                     ram_addr_t below_4g_mem_size,
243                     ram_addr_t above_4g_mem_size,
244                     MemoryRegion *pci_memory,
245                     MemoryRegion *ram_memory);
246 
247 PCIBus *find_i440fx(void);
248 /* piix4.c */
249 extern PCIDevice *piix4_dev;
250 int piix4_init(PCIBus *bus, ISABus **isa_bus, int devfn);
251 
252 /* vga.c */
253 enum vga_retrace_method {
254     VGA_RETRACE_DUMB,
255     VGA_RETRACE_PRECISE
256 };
257 
258 extern enum vga_retrace_method vga_retrace_method;
259 
260 int isa_vga_mm_init(hwaddr vram_base,
261                     hwaddr ctrl_base, int it_shift,
262                     MemoryRegion *address_space);
263 
264 /* ne2000.c */
265 static inline bool isa_ne2000_init(ISABus *bus, int base, int irq, NICInfo *nd)
266 {
267     DeviceState *dev;
268     ISADevice *isadev;
269 
270     qemu_check_nic_model(nd, "ne2k_isa");
271 
272     isadev = isa_try_create(bus, "ne2k_isa");
273     if (!isadev) {
274         return false;
275     }
276     dev = DEVICE(isadev);
277     qdev_prop_set_uint32(dev, "iobase", base);
278     qdev_prop_set_uint32(dev, "irq",    irq);
279     qdev_set_nic_properties(dev, nd);
280     qdev_init_nofail(dev);
281     return true;
282 }
283 
284 /* pc_sysfw.c */
285 void pc_system_firmware_init(MemoryRegion *rom_memory,
286                              bool isapc_ram_fw);
287 
288 /* pvpanic.c */
289 uint16_t pvpanic_port(void);
290 
291 /* e820 types */
292 #define E820_RAM        1
293 #define E820_RESERVED   2
294 #define E820_ACPI       3
295 #define E820_NVS        4
296 #define E820_UNUSABLE   5
297 
298 int e820_add_entry(uint64_t, uint64_t, uint32_t);
299 int e820_get_num_entries(void);
300 bool e820_get_entry(int, uint32_t, uint64_t *, uint64_t *);
301 
302 #define PC_COMPAT_2_1 \
303         {\
304             .driver   = "intel-hda",\
305             .property = "old_msi_addr",\
306             .value    = "on",\
307         }
308 
309 #define PC_COMPAT_2_0 \
310         PC_COMPAT_2_1, \
311         {\
312             .driver   = "virtio-scsi-pci",\
313             .property = "any_layout",\
314             .value    = "off",\
315         },{\
316             .driver   = "PIIX4_PM",\
317             .property = "memory-hotplug-support",\
318             .value    = "off",\
319         },\
320         {\
321             .driver   = "apic",\
322             .property = "version",\
323             .value    = stringify(0x11),\
324         },\
325         {\
326             .driver   = "nec-usb-xhci",\
327             .property = "superspeed-ports-first",\
328             .value    = "off",\
329         },\
330         {\
331             .driver   = "pci-serial",\
332             .property = "prog_if",\
333             .value    = stringify(0),\
334         },\
335         {\
336             .driver   = "pci-serial-2x",\
337             .property = "prog_if",\
338             .value    = stringify(0),\
339         },\
340         {\
341             .driver   = "pci-serial-4x",\
342             .property = "prog_if",\
343             .value    = stringify(0),\
344         },\
345         {\
346             .driver   = "virtio-net-pci",\
347             .property = "guest_announce",\
348             .value    = "off",\
349         },\
350         {\
351             .driver   = "ICH9-LPC",\
352             .property = "memory-hotplug-support",\
353             .value    = "off",\
354         },{\
355             .driver   = "xio3130-downstream",\
356             .property = COMPAT_PROP_PCP,\
357             .value    = "off",\
358         },{\
359             .driver   = "ioh3420",\
360             .property = COMPAT_PROP_PCP,\
361             .value    = "off",\
362         }
363 
364 #define PC_COMPAT_1_7 \
365         PC_COMPAT_2_0, \
366         {\
367             .driver   = TYPE_USB_DEVICE,\
368             .property = "msos-desc",\
369             .value    = "no",\
370         },\
371         {\
372             .driver   = "PIIX4_PM",\
373             .property = "acpi-pci-hotplug-with-bridge-support",\
374             .value    = "off",\
375         },\
376         {\
377             .driver   = "hpet",\
378             .property = HPET_INTCAP,\
379             .value    = stringify(4),\
380         }
381 
382 #define PC_COMPAT_1_6 \
383         PC_COMPAT_1_7, \
384         {\
385             .driver   = "e1000",\
386             .property = "mitigation",\
387             .value    = "off",\
388         },{\
389             .driver   = "qemu64-" TYPE_X86_CPU,\
390             .property = "model",\
391             .value    = stringify(2),\
392         },{\
393             .driver   = "qemu32-" TYPE_X86_CPU,\
394             .property = "model",\
395             .value    = stringify(3),\
396         },{\
397             .driver   = "i440FX-pcihost",\
398             .property = "short_root_bus",\
399             .value    = stringify(1),\
400         },{\
401             .driver   = "q35-pcihost",\
402             .property = "short_root_bus",\
403             .value    = stringify(1),\
404         }
405 
406 #define PC_COMPAT_1_5 \
407         PC_COMPAT_1_6, \
408         {\
409             .driver   = "Conroe-" TYPE_X86_CPU,\
410             .property = "model",\
411             .value    = stringify(2),\
412         },{\
413             .driver   = "Conroe-" TYPE_X86_CPU,\
414             .property = "level",\
415             .value    = stringify(2),\
416         },{\
417             .driver   = "Penryn-" TYPE_X86_CPU,\
418             .property = "model",\
419             .value    = stringify(2),\
420         },{\
421             .driver   = "Penryn-" TYPE_X86_CPU,\
422             .property = "level",\
423             .value    = stringify(2),\
424         },{\
425             .driver   = "Nehalem-" TYPE_X86_CPU,\
426             .property = "model",\
427             .value    = stringify(2),\
428         },{\
429             .driver   = "Nehalem-" TYPE_X86_CPU,\
430             .property = "level",\
431             .value    = stringify(2),\
432         },{\
433             .driver   = "virtio-net-pci",\
434             .property = "any_layout",\
435             .value    = "off",\
436         },{\
437             .driver = TYPE_X86_CPU,\
438             .property = "pmu",\
439             .value = "on",\
440         },{\
441             .driver   = "i440FX-pcihost",\
442             .property = "short_root_bus",\
443             .value    = stringify(0),\
444         },{\
445             .driver   = "q35-pcihost",\
446             .property = "short_root_bus",\
447             .value    = stringify(0),\
448         }
449 
450 #define PC_COMPAT_1_4 \
451         PC_COMPAT_1_5, \
452         {\
453             .driver   = "scsi-hd",\
454             .property = "discard_granularity",\
455             .value    = stringify(0),\
456 	},{\
457             .driver   = "scsi-cd",\
458             .property = "discard_granularity",\
459             .value    = stringify(0),\
460 	},{\
461             .driver   = "scsi-disk",\
462             .property = "discard_granularity",\
463             .value    = stringify(0),\
464 	},{\
465             .driver   = "ide-hd",\
466             .property = "discard_granularity",\
467             .value    = stringify(0),\
468 	},{\
469             .driver   = "ide-cd",\
470             .property = "discard_granularity",\
471             .value    = stringify(0),\
472 	},{\
473             .driver   = "ide-drive",\
474             .property = "discard_granularity",\
475             .value    = stringify(0),\
476         },{\
477             .driver   = "virtio-blk-pci",\
478             .property = "discard_granularity",\
479             .value    = stringify(0),\
480 	},{\
481             .driver   = "virtio-serial-pci",\
482             .property = "vectors",\
483             /* DEV_NVECTORS_UNSPECIFIED as a uint32_t string */\
484             .value    = stringify(0xFFFFFFFF),\
485         },{ \
486             .driver   = "virtio-net-pci", \
487             .property = "ctrl_guest_offloads", \
488             .value    = "off", \
489         },{\
490             .driver   = "e1000",\
491             .property = "romfile",\
492             .value    = "pxe-e1000.rom",\
493         },{\
494             .driver   = "ne2k_pci",\
495             .property = "romfile",\
496             .value    = "pxe-ne2k_pci.rom",\
497         },{\
498             .driver   = "pcnet",\
499             .property = "romfile",\
500             .value    = "pxe-pcnet.rom",\
501         },{\
502             .driver   = "rtl8139",\
503             .property = "romfile",\
504             .value    = "pxe-rtl8139.rom",\
505         },{\
506             .driver   = "virtio-net-pci",\
507             .property = "romfile",\
508             .value    = "pxe-virtio.rom",\
509         },{\
510             .driver   = "486-" TYPE_X86_CPU,\
511             .property = "model",\
512             .value    = stringify(0),\
513         }
514 
515 #define PC_COMMON_MACHINE_OPTIONS \
516     .default_boot_order = "cad"
517 
518 #define PC_DEFAULT_MACHINE_OPTIONS \
519     PC_COMMON_MACHINE_OPTIONS, \
520     .hot_add_cpu = pc_hot_add_cpu, \
521     .max_cpus = 255
522 
523 #endif
524