Change order of metadata update to prevent loosing guest data because of unexpected...
[qemu.git] / sysemu.h
blobf72ec963256974a2fbf888e00dfcd9b2b2ac5b46
1 #ifndef SYSEMU_H
2 #define SYSEMU_H
3 /* Misc. things related to the system emulator. */
5 /* vl.c */
6 extern const char *bios_name;
7 extern const char *bios_dir;
9 extern int vm_running;
10 extern const char *qemu_name;
11 extern uint8_t qemu_uuid[];
12 #define UUID_FMT "%02hhx%02hhx%02hhx%02hhx-%02hhx%02hhx-%02hhx%02hhx-%02hhx%02hhx-%02hhx%02hhx%02hhx%02hhx%02hhx%02hhx"
14 typedef struct vm_change_state_entry VMChangeStateEntry;
15 typedef void VMChangeStateHandler(void *opaque, int running);
16 typedef void VMStopHandler(void *opaque, int reason);
18 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
19 void *opaque);
20 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e);
22 int qemu_add_vm_stop_handler(VMStopHandler *cb, void *opaque);
23 void qemu_del_vm_stop_handler(VMStopHandler *cb, void *opaque);
25 void vm_start(void);
26 void vm_stop(int reason);
28 int64_t cpu_get_ticks(void);
29 void cpu_enable_ticks(void);
30 void cpu_disable_ticks(void);
32 void qemu_system_reset_request(void);
33 void qemu_system_shutdown_request(void);
34 void qemu_system_powerdown_request(void);
35 int qemu_shutdown_requested(void);
36 int qemu_reset_requested(void);
37 int qemu_powerdown_requested(void);
38 #if !defined(TARGET_SPARC) && !defined(TARGET_I386)
39 // Please implement a power failure function to signal the OS
40 #define qemu_system_powerdown() do{}while(0)
41 #else
42 void qemu_system_powerdown(void);
43 #endif
44 void qemu_system_reset(void);
46 void do_savevm(const char *name);
47 void do_loadvm(const char *name);
48 void do_delvm(const char *name);
49 void do_info_snapshots(void);
51 void qemu_announce_self(void);
53 void main_loop_wait(int timeout);
55 int qemu_savevm_state_begin(QEMUFile *f);
56 int qemu_savevm_state_iterate(QEMUFile *f);
57 int qemu_savevm_state_complete(QEMUFile *f);
58 int qemu_savevm_state(QEMUFile *f);
59 int qemu_loadvm_state(QEMUFile *f);
61 #ifdef _WIN32
62 /* Polling handling */
64 /* return TRUE if no sleep should be done afterwards */
65 typedef int PollingFunc(void *opaque);
67 int qemu_add_polling_cb(PollingFunc *func, void *opaque);
68 void qemu_del_polling_cb(PollingFunc *func, void *opaque);
70 /* Wait objects handling */
71 typedef void WaitObjectFunc(void *opaque);
73 int qemu_add_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque);
74 void qemu_del_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque);
75 #endif
77 /* TAP win32 */
78 int tap_win32_init(VLANState *vlan, const char *ifname);
80 /* SLIRP */
81 void do_info_slirp(void);
83 extern int bios_size;
84 extern int cirrus_vga_enabled;
85 extern int vmsvga_enabled;
86 extern int graphic_width;
87 extern int graphic_height;
88 extern int graphic_depth;
89 extern int nographic;
90 extern const char *keyboard_layout;
91 extern int win2k_install_hack;
92 extern int alt_grab;
93 extern int usb_enabled;
94 extern int smp_cpus;
95 extern int cursor_hide;
96 extern int graphic_rotate;
97 extern int no_quit;
98 extern int semihosting_enabled;
99 extern int old_param;
100 extern const char *bootp_filename;
101 extern DisplayState display_state;
103 #ifdef USE_KQEMU
104 extern int kqemu_allowed;
105 #endif
107 #define MAX_OPTION_ROMS 16
108 extern const char *option_rom[MAX_OPTION_ROMS];
109 extern int nb_option_roms;
111 #ifdef TARGET_SPARC
112 #define MAX_PROM_ENVS 128
113 extern const char *prom_envs[MAX_PROM_ENVS];
114 extern unsigned int nb_prom_envs;
115 #endif
117 #if defined (TARGET_PPC)
118 #define BIOS_SIZE (1024 * 1024)
119 #elif defined (TARGET_SPARC64)
120 #define BIOS_SIZE ((512 + 32) * 1024)
121 #elif defined(TARGET_MIPS)
122 #define BIOS_SIZE (4 * 1024 * 1024)
123 #endif
125 typedef enum {
126 IF_IDE, IF_SCSI, IF_FLOPPY, IF_PFLASH, IF_MTD, IF_SD
127 } BlockInterfaceType;
129 typedef struct DriveInfo {
130 BlockDriverState *bdrv;
131 BlockInterfaceType type;
132 int bus;
133 int unit;
134 } DriveInfo;
136 #define MAX_IDE_DEVS 2
137 #define MAX_SCSI_DEVS 7
138 #define MAX_DRIVES 32
140 extern int nb_drives;
141 extern DriveInfo drives_table[MAX_DRIVES+1];
143 extern int drive_get_index(BlockInterfaceType type, int bus, int unit);
144 extern int drive_get_max_bus(BlockInterfaceType type);
146 /* serial ports */
148 #define MAX_SERIAL_PORTS 4
150 extern CharDriverState *serial_hds[MAX_SERIAL_PORTS];
152 /* parallel ports */
154 #define MAX_PARALLEL_PORTS 3
156 extern CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
158 #define TFR(expr) do { if ((expr) != -1) break; } while (errno == EINTR)
160 #ifdef NEED_CPU_H
161 /* loader.c */
162 int get_image_size(const char *filename);
163 int load_image(const char *filename, uint8_t *addr); /* deprecated */
164 int load_image_targphys(const char *filename, target_phys_addr_t, int max_sz);
165 int load_elf(const char *filename, int64_t address_offset,
166 uint64_t *pentry, uint64_t *lowaddr, uint64_t *highaddr);
167 int load_aout(const char *filename, target_phys_addr_t addr, int max_sz);
168 int load_uimage(const char *filename, target_ulong *ep, target_ulong *loadaddr,
169 int *is_linux);
171 int fread_targphys(target_phys_addr_t dst_addr, size_t nbytes, FILE *f);
172 int fread_targphys_ok(target_phys_addr_t dst_addr, size_t nbytes, FILE *f);
173 int read_targphys(int fd, target_phys_addr_t dst_addr, size_t nbytes);
174 void pstrcpy_targphys(target_phys_addr_t dest, int buf_size,
175 const char *source);
176 #endif
178 #ifdef HAS_AUDIO
179 struct soundhw {
180 const char *name;
181 const char *descr;
182 int enabled;
183 int isa;
184 union {
185 int (*init_isa) (AudioState *s, qemu_irq *pic);
186 int (*init_pci) (PCIBus *bus, AudioState *s);
187 } init;
190 extern struct soundhw soundhw[];
191 #endif
193 void do_usb_add(const char *devname);
194 void do_usb_del(const char *devname);
195 void usb_info(void);
197 const char *get_opt_name(char *buf, int buf_size, const char *p);
198 const char *get_opt_value(char *buf, int buf_size, const char *p);
199 int get_param_value(char *buf, int buf_size,
200 const char *tag, const char *str);
201 int check_params(char *buf, int buf_size,
202 const char * const *params, const char *str);
204 #endif