virtio-blk: Avoid zeroing every request structure
[qemu/aliguori-queue.git] / hw / pc.h
blob654b7b33d6b3bffaf82bb326eb0e0a460b0205fb
1 #ifndef HW_PC_H
2 #define HW_PC_H
4 #include "qemu-common.h"
5 #include "ioport.h"
6 #include "isa.h"
7 #include "fdc.h"
9 /* PC-style peripherals (also used by other machines). */
11 /* serial.c */
13 SerialState *serial_init(int base, qemu_irq irq, int baudbase,
14 CharDriverState *chr);
15 SerialState *serial_mm_init (target_phys_addr_t base, int it_shift,
16 qemu_irq irq, int baudbase,
17 CharDriverState *chr, int ioregister,
18 int be);
19 SerialState *serial_isa_init(int index, CharDriverState *chr);
20 void serial_set_frequency(SerialState *s, uint32_t frequency);
22 /* parallel.c */
24 typedef struct ParallelState ParallelState;
25 ParallelState *parallel_init(int index, CharDriverState *chr);
26 ParallelState *parallel_mm_init(target_phys_addr_t base, int it_shift, qemu_irq irq, CharDriverState *chr);
28 /* i8259.c */
30 typedef struct PicState2 PicState2;
31 extern PicState2 *isa_pic;
32 void pic_set_irq(int irq, int level);
33 void pic_set_irq_new(void *opaque, int irq, int level);
34 qemu_irq *i8259_init(qemu_irq parent_irq);
35 int pic_read_irq(PicState2 *s);
36 void pic_update_irq(PicState2 *s);
37 uint32_t pic_intack_read(PicState2 *s);
38 void pic_info(Monitor *mon);
39 void irq_info(Monitor *mon);
41 /* ISA */
42 typedef struct isa_irq_state {
43 qemu_irq *i8259;
44 qemu_irq *ioapic;
45 } IsaIrqState;
47 void isa_irq_handler(void *opaque, int n, int level);
49 /* i8254.c */
51 #define PIT_FREQ 1193182
53 typedef struct PITState PITState;
55 PITState *pit_init(int base, qemu_irq irq);
56 void pit_set_gate(PITState *pit, int channel, int val);
57 int pit_get_gate(PITState *pit, int channel);
58 int pit_get_initial_count(PITState *pit, int channel);
59 int pit_get_mode(PITState *pit, int channel);
60 int pit_get_out(PITState *pit, int channel, int64_t current_time);
62 void hpet_pit_disable(void);
63 void hpet_pit_enable(void);
65 /* vmport.c */
66 void vmport_init(void);
67 void vmport_register(unsigned char command, IOPortReadFunc *func, void *opaque);
69 /* vmmouse.c */
70 void *vmmouse_init(void *m);
72 /* pckbd.c */
74 void i8042_init(qemu_irq kbd_irq, qemu_irq mouse_irq, uint32_t io_base);
75 void i8042_mm_init(qemu_irq kbd_irq, qemu_irq mouse_irq,
76 target_phys_addr_t base, ram_addr_t size,
77 target_phys_addr_t mask);
79 /* pc.c */
80 extern int fd_bootchk;
82 void pc_register_ferr_irq(qemu_irq irq);
83 void pc_cmos_set_s3_resume(void *opaque, int irq, int level);
84 void pc_acpi_smi_interrupt(void *opaque, int irq, int level);
86 void pc_cpus_init(const char *cpu_model);
87 void pc_memory_init(ram_addr_t ram_size,
88 const char *kernel_filename,
89 const char *kernel_cmdline,
90 const char *initrd_filename,
91 ram_addr_t *below_4g_mem_size_p,
92 ram_addr_t *above_4g_mem_size_p);
93 qemu_irq *pc_allocate_cpu_irq(void);
94 void pc_vga_init(PCIBus *pci_bus);
95 void pc_basic_device_init(qemu_irq *isa_irq,
96 FDCtrl **floppy_controller,
97 ISADevice **rtc_state);
98 void pc_init_ne2k_isa(NICInfo *nd);
99 #ifdef HAS_AUDIO
100 void pc_audio_init (PCIBus *pci_bus, qemu_irq *pic);
101 #endif
102 void pc_cmos_init(ram_addr_t ram_size, ram_addr_t above_4g_mem_size,
103 const char *boot_device, DriveInfo **hd_table,
104 FDCtrl *floppy_controller, ISADevice *s);
105 void pc_pci_device_init(PCIBus *pci_bus);
107 void ioport_set_a20(int enable);
108 int ioport_get_a20(void);
110 typedef void (*cpu_set_smm_t)(int smm, void *arg);
111 void cpu_smm_register(cpu_set_smm_t callback, void *arg);
113 /* acpi.c */
114 extern int acpi_enabled;
115 extern char *acpi_tables;
116 extern size_t acpi_tables_len;
118 void acpi_bios_init(void);
119 int acpi_table_add(const char *table_desc);
121 /* acpi_piix.c */
123 i2c_bus *piix4_pm_init(PCIBus *bus, int devfn, uint32_t smb_io_base,
124 qemu_irq sci_irq, qemu_irq cmos_s3, qemu_irq smi_irq,
125 int kvm_enabled);
126 void piix4_smbus_register_device(SMBusDevice *dev, uint8_t addr);
128 /* hpet.c */
129 extern int no_hpet;
131 /* pcspk.c */
132 void pcspk_init(PITState *);
133 int pcspk_audio_init(qemu_irq *pic);
135 /* piix_pci.c */
136 struct PCII440FXState;
137 typedef struct PCII440FXState PCII440FXState;
139 PCIBus *i440fx_init(PCII440FXState **pi440fx_state, int *piix_devfn, qemu_irq *pic, int ram_size);
140 void i440fx_init_memory_mappings(PCII440FXState *d);
142 /* piix4.c */
143 extern PCIDevice *piix4_dev;
144 int piix4_init(PCIBus *bus, int devfn);
146 /* vga.c */
147 enum vga_retrace_method {
148 VGA_RETRACE_DUMB,
149 VGA_RETRACE_PRECISE
152 extern enum vga_retrace_method vga_retrace_method;
154 int isa_vga_init(void);
155 int pci_vga_init(PCIBus *bus,
156 unsigned long vga_bios_offset, int vga_bios_size);
157 int isa_vga_mm_init(target_phys_addr_t vram_base,
158 target_phys_addr_t ctrl_base, int it_shift);
160 /* cirrus_vga.c */
161 void pci_cirrus_vga_init(PCIBus *bus);
162 void isa_cirrus_vga_init(void);
164 /* ne2000.c */
166 void isa_ne2000_init(int base, int irq, NICInfo *nd);
168 /* e820 types */
169 #define E820_RAM 1
170 #define E820_RESERVED 2
171 #define E820_ACPI 3
172 #define E820_NVS 4
173 #define E820_UNUSABLE 5
175 int e820_add_entry(uint64_t, uint64_t, uint32_t);
177 #endif