xref: /openbmc/qemu/include/hw/i386/pc.h (revision 7f4f0a22)
1 #ifndef HW_PC_H
2 #define HW_PC_H
3 
4 #include "qemu-common.h"
5 #include "exec/memory.h"
6 #include "exec/ioport.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 /* PC-style peripherals (also used by other machines).  */
13 
14 /* parallel.c */
15 static inline bool parallel_init(ISABus *bus, int index, CharDriverState *chr)
16 {
17     ISADevice *dev;
18 
19     dev = isa_try_create(bus, "isa-parallel");
20     if (!dev) {
21         return false;
22     }
23     qdev_prop_set_uint32(&dev->qdev, "index", index);
24     qdev_prop_set_chr(&dev->qdev, "chardev", chr);
25     if (qdev_init(&dev->qdev) < 0) {
26         return false;
27     }
28     return true;
29 }
30 
31 bool parallel_mm_init(MemoryRegion *address_space,
32                       hwaddr base, int it_shift, qemu_irq irq,
33                       CharDriverState *chr);
34 
35 /* i8259.c */
36 
37 extern DeviceState *isa_pic;
38 qemu_irq *i8259_init(ISABus *bus, qemu_irq parent_irq);
39 qemu_irq *kvm_i8259_init(ISABus *bus);
40 int pic_read_irq(DeviceState *d);
41 int pic_get_output(DeviceState *d);
42 void pic_info(Monitor *mon, const QDict *qdict);
43 void irq_info(Monitor *mon, const QDict *qdict);
44 
45 /* Global System Interrupts */
46 
47 #define GSI_NUM_PINS IOAPIC_NUM_PINS
48 
49 typedef struct GSIState {
50     qemu_irq i8259_irq[ISA_NUM_IRQS];
51     qemu_irq ioapic_irq[IOAPIC_NUM_PINS];
52 } GSIState;
53 
54 void gsi_handler(void *opaque, int n, int level);
55 
56 /* vmport.c */
57 static inline void vmport_init(ISABus *bus)
58 {
59     isa_create_simple(bus, "vmport");
60 }
61 void vmport_register(unsigned char command, IOPortReadFunc *func, void *opaque);
62 void vmmouse_get_data(uint32_t *data);
63 void vmmouse_set_data(const uint32_t *data);
64 
65 /* pckbd.c */
66 
67 void i8042_init(qemu_irq kbd_irq, qemu_irq mouse_irq, uint32_t io_base);
68 void i8042_mm_init(qemu_irq kbd_irq, qemu_irq mouse_irq,
69                    MemoryRegion *region, ram_addr_t size,
70                    hwaddr mask);
71 void i8042_isa_mouse_fake_event(void *opaque);
72 void i8042_setup_a20_line(ISADevice *dev, qemu_irq *a20_out);
73 
74 /* pc.c */
75 extern int fd_bootchk;
76 
77 void pc_register_ferr_irq(qemu_irq irq);
78 void pc_acpi_smi_interrupt(void *opaque, int irq, int level);
79 
80 #define QEMU_BELOW_4G_RAM_END       0xe0000000
81 #define QEMU_BELOW_4G_MMIO_LENGTH   ((1ULL << 32) - QEMU_BELOW_4G_RAM_END)
82 
83 void pc_cpus_init(const char *cpu_model, DeviceState *icc_bridge);
84 void pc_hot_add_cpu(const int64_t id, Error **errp);
85 void pc_acpi_init(const char *default_dsdt);
86 FWCfgState *pc_memory_init(MemoryRegion *system_memory,
87                            const char *kernel_filename,
88                            const char *kernel_cmdline,
89                            const char *initrd_filename,
90                            ram_addr_t below_4g_mem_size,
91                            ram_addr_t above_4g_mem_size,
92                            MemoryRegion *rom_memory,
93                            MemoryRegion **ram_memory);
94 qemu_irq *pc_allocate_cpu_irq(void);
95 DeviceState *pc_vga_init(ISABus *isa_bus, PCIBus *pci_bus);
96 void pc_basic_device_init(ISABus *isa_bus, qemu_irq *gsi,
97                           ISADevice **rtc_state,
98                           ISADevice **floppy,
99                           bool no_vmport);
100 void pc_init_ne2k_isa(ISABus *bus, NICInfo *nd);
101 void pc_cmos_init(ram_addr_t ram_size, ram_addr_t above_4g_mem_size,
102                   const char *boot_device,
103                   ISADevice *floppy, BusState *ide0, BusState *ide1,
104                   ISADevice *s);
105 void pc_nic_init(ISABus *isa_bus, PCIBus *pci_bus);
106 void pc_pci_device_init(PCIBus *pci_bus);
107 
108 typedef void (*cpu_set_smm_t)(int smm, void *arg);
109 void cpu_smm_register(cpu_set_smm_t callback, void *arg);
110 
111 void ioapic_init_gsi(GSIState *gsi_state, const char *parent_name);
112 
113 /* acpi_piix.c */
114 
115 i2c_bus *piix4_pm_init(PCIBus *bus, int devfn, uint32_t smb_io_base,
116                        qemu_irq sci_irq, qemu_irq smi_irq,
117                        int kvm_enabled, FWCfgState *fw_cfg);
118 void piix4_smbus_register_device(SMBusDevice *dev, uint8_t addr);
119 
120 /* hpet.c */
121 extern int no_hpet;
122 
123 /* piix_pci.c */
124 struct PCII440FXState;
125 typedef struct PCII440FXState PCII440FXState;
126 
127 PCIBus *i440fx_init(PCII440FXState **pi440fx_state, int *piix_devfn,
128                     ISABus **isa_bus, qemu_irq *pic,
129                     MemoryRegion *address_space_mem,
130                     MemoryRegion *address_space_io,
131                     ram_addr_t ram_size,
132                     hwaddr pci_hole_start,
133                     hwaddr pci_hole_size,
134                     hwaddr pci_hole64_start,
135                     hwaddr pci_hole64_size,
136                     MemoryRegion *pci_memory,
137                     MemoryRegion *ram_memory);
138 
139 /* piix4.c */
140 extern PCIDevice *piix4_dev;
141 int piix4_init(PCIBus *bus, ISABus **isa_bus, int devfn);
142 
143 /* vga.c */
144 enum vga_retrace_method {
145     VGA_RETRACE_DUMB,
146     VGA_RETRACE_PRECISE
147 };
148 
149 extern enum vga_retrace_method vga_retrace_method;
150 
151 int isa_vga_mm_init(hwaddr vram_base,
152                     hwaddr ctrl_base, int it_shift,
153                     MemoryRegion *address_space);
154 
155 /* ne2000.c */
156 static inline bool isa_ne2000_init(ISABus *bus, int base, int irq, NICInfo *nd)
157 {
158     ISADevice *dev;
159 
160     qemu_check_nic_model(nd, "ne2k_isa");
161 
162     dev = isa_try_create(bus, "ne2k_isa");
163     if (!dev) {
164         return false;
165     }
166     qdev_prop_set_uint32(&dev->qdev, "iobase", base);
167     qdev_prop_set_uint32(&dev->qdev, "irq",    irq);
168     qdev_set_nic_properties(&dev->qdev, nd);
169     qdev_init_nofail(&dev->qdev);
170     return true;
171 }
172 
173 /* pc_sysfw.c */
174 void pc_system_firmware_init(MemoryRegion *rom_memory);
175 
176 /* pvpanic.c */
177 int pvpanic_init(ISABus *bus);
178 
179 /* e820 types */
180 #define E820_RAM        1
181 #define E820_RESERVED   2
182 #define E820_ACPI       3
183 #define E820_NVS        4
184 #define E820_UNUSABLE   5
185 
186 int e820_add_entry(uint64_t, uint64_t, uint32_t);
187 
188 #define PC_COMPAT_1_4 \
189         {\
190             .driver   = "scsi-hd",\
191             .property = "discard_granularity",\
192             .value    = stringify(0),\
193 	},{\
194             .driver   = "scsi-cd",\
195             .property = "discard_granularity",\
196             .value    = stringify(0),\
197 	},{\
198             .driver   = "scsi-disk",\
199             .property = "discard_granularity",\
200             .value    = stringify(0),\
201 	},{\
202             .driver   = "ide-hd",\
203             .property = "discard_granularity",\
204             .value    = stringify(0),\
205 	},{\
206             .driver   = "ide-cd",\
207             .property = "discard_granularity",\
208             .value    = stringify(0),\
209 	},{\
210             .driver   = "ide-drive",\
211             .property = "discard_granularity",\
212             .value    = stringify(0),\
213         },{\
214             .driver   = "virtio-blk-pci",\
215             .property = "discard_granularity",\
216             .value    = stringify(0),\
217 	},{\
218             .driver   = "virtio-serial-pci",\
219             .property = "vectors",\
220             /* DEV_NVECTORS_UNSPECIFIED as a uint32_t string */\
221             .value    = stringify(0xFFFFFFFF),\
222         },{ \
223             .driver   = "virtio-net-pci", \
224             .property = "ctrl_guest_offloads", \
225             .value    = "off", \
226         },{\
227             .driver   = "e1000",\
228             .property = "romfile",\
229             .value    = "pxe-e1000.rom",\
230         },{\
231             .driver   = "ne2k_pci",\
232             .property = "romfile",\
233             .value    = "pxe-ne2k_pci.rom",\
234         },{\
235             .driver   = "pcnet",\
236             .property = "romfile",\
237             .value    = "pxe-pcnet.rom",\
238         },{\
239             .driver   = "rtl8139",\
240             .property = "romfile",\
241             .value    = "pxe-rtl8139.rom",\
242         },{\
243             .driver   = "virtio-net-pci",\
244             .property = "romfile",\
245             .value    = "pxe-virtio.rom",\
246         },{\
247             .driver   = "486-" TYPE_X86_CPU,\
248             .property = "model",\
249             .value    = stringify(0),\
250         }
251 
252 #endif
253