Virtio-blk async IO
[qemu-kvm/fedora.git] / sysemu.h
blobeb22f8f0a66efe8fbde1207a139d16ed2d14d457
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;
12 typedef struct vm_change_state_entry VMChangeStateEntry;
13 typedef void VMChangeStateHandler(void *opaque, int running);
14 typedef void VMStopHandler(void *opaque, int reason);
16 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
17 void *opaque);
18 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e);
20 int qemu_add_vm_stop_handler(VMStopHandler *cb, void *opaque);
21 void qemu_del_vm_stop_handler(VMStopHandler *cb, void *opaque);
23 void vm_start(void);
24 void vm_stop(int reason);
26 int64_t cpu_get_ticks(void);
27 void cpu_enable_ticks(void);
28 void cpu_disable_ticks(void);
30 void qemu_system_reset_request(void);
31 void qemu_system_shutdown_request(void);
32 void qemu_system_powerdown_request(void);
33 int qemu_shutdown_requested(void);
34 int qemu_reset_requested(void);
35 int qemu_powerdown_requested(void);
36 #if !defined(TARGET_SPARC) && !defined(TARGET_I386)
37 // Please implement a power failure function to signal the OS
38 #define qemu_system_powerdown() do{}while(0)
39 #else
40 void qemu_system_powerdown(void);
41 #endif
42 void qemu_system_reset(void);
44 void cpu_save(QEMUFile *f, void *opaque);
45 int cpu_load(QEMUFile *f, void *opaque, int version_id);
47 void qemu_get_launch_info(int *argc, char ***argv,
48 int *opt_daemonize, const char **opt_incoming);
50 void do_savevm(const char *name);
51 void do_loadvm(const char *name);
52 void do_delvm(const char *name);
53 void do_info_snapshots(void);
55 int qemu_live_savevm_state(QEMUFile *f);
56 int qemu_live_loadvm_state(QEMUFile *f);
58 void main_loop_wait(int timeout);
60 int check_params(char *buf, int buf_size, char **params, const char *str);
61 int get_param_value(char *buf, int buf_size, const char *tag,
62 const char *str);
64 /* Polling handling */
66 /* return TRUE if no sleep should be done afterwards */
67 typedef int PollingFunc(void *opaque);
69 int qemu_add_polling_cb(PollingFunc *func, void *opaque);
70 void qemu_del_polling_cb(PollingFunc *func, void *opaque);
72 #ifdef _WIN32
73 /* Wait objects handling */
74 typedef void WaitObjectFunc(void *opaque);
76 int qemu_add_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque);
77 void qemu_del_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque);
78 #endif
80 /* TAP win32 */
81 int tap_win32_init(VLANState *vlan, const char *ifname);
83 /* SLIRP */
84 void do_info_slirp(void);
86 extern int bios_size;
87 extern int cirrus_vga_enabled;
88 extern int vmsvga_enabled;
89 extern int graphic_width;
90 extern int graphic_height;
91 extern int graphic_depth;
92 extern const char *keyboard_layout;
93 extern int win2k_install_hack;
94 extern int alt_grab;
95 extern int usb_enabled;
96 extern int smp_cpus;
97 extern int cursor_hide;
98 extern int graphic_rotate;
99 extern int no_quit;
100 extern int semihosting_enabled;
101 extern int autostart;
102 extern int old_param;
103 extern int hpagesize;
104 extern const char *bootp_filename;
107 #ifdef USE_KQEMU
108 extern int kqemu_allowed;
109 #endif
111 #define MAX_OPTION_ROMS 16
112 extern const char *option_rom[MAX_OPTION_ROMS];
113 extern int nb_option_roms;
115 #ifdef TARGET_SPARC
116 #define MAX_PROM_ENVS 128
117 extern const char *prom_envs[MAX_PROM_ENVS];
118 extern unsigned int nb_prom_envs;
119 #endif
121 #if defined (TARGET_PPC)
122 #define BIOS_SIZE (1024 * 1024)
123 #elif defined (TARGET_SPARC64)
124 #define BIOS_SIZE ((512 + 32) * 1024)
125 #elif defined(TARGET_MIPS)
126 #define BIOS_SIZE (4 * 1024 * 1024)
127 #endif
129 typedef enum {
130 IF_IDE, IF_SCSI, IF_FLOPPY, IF_PFLASH, IF_MTD, IF_SD, IF_VIRTIO
131 } BlockInterfaceType;
133 typedef struct DriveInfo {
134 BlockDriverState *bdrv;
135 BlockInterfaceType type;
136 int bus;
137 int unit;
138 int used;
139 int drive_opt_idx;
140 } DriveInfo;
142 #define MAX_IDE_DEVS 2
143 #define MAX_SCSI_DEVS 7
144 #define MAX_DRIVES 32
146 int nb_drives;
147 DriveInfo drives_table[MAX_DRIVES+1];
148 int extboot_drive;
150 extern int drive_get_index(BlockInterfaceType type, int bus, int unit);
151 extern int drive_get_max_bus(BlockInterfaceType type);
153 extern void drive_uninit(BlockDriverState *bdrv);
154 extern void drive_remove(int index);
156 struct drive_opt {
157 const char *file;
158 char opt[1024];
159 int used;
162 extern struct drive_opt drives_opt[MAX_DRIVES];
163 extern int nb_drives_opt;
165 struct QEMUMachine;
166 extern int drive_add(const char *file, const char *fmt, ...);
167 extern int drive_init(struct drive_opt *arg, int snapshot,
168 struct QEMUMachine *machine);
170 /* acpi */
171 void qemu_system_cpu_hot_add(int cpu, int state);
172 void qemu_system_hot_add_init(const char *cpu_model);
173 void qemu_system_device_hot_add(int pcibus, int slot, int state);
175 /* device-hotplug */
176 void device_hot_add(int pcibus, const char *type, const char *opts);
177 void drive_hot_add(int pcibus, const char *devfn_string, const char *opts);
178 void device_hot_remove(int pcibus, int slot);
179 void device_hot_remove_success(int pcibus, int slot);
181 /* vmchannel devices */
183 #define MAX_VMCHANNEL_DEVICES 4
184 void pci_hypercall_init(PCIBus *bus);
185 void vmchannel_init(CharDriverState *hd, uint32_t deviceid, uint32_t index);
187 /* serial ports */
189 #define MAX_SERIAL_PORTS 4
191 extern CharDriverState *serial_hds[MAX_SERIAL_PORTS];
193 /* parallel ports */
195 #define MAX_PARALLEL_PORTS 3
197 extern CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
199 #ifdef NEED_CPU_H
200 /* loader.c */
201 int get_image_size(const char *filename);
202 int load_image(const char *filename, uint8_t *addr);
203 int load_elf(const char *filename, int64_t virt_to_phys_addend,
204 uint64_t *pentry, uint64_t *lowaddr, uint64_t *highaddr);
205 int load_aout(const char *filename, uint8_t *addr);
206 int load_uboot(const char *filename, target_ulong *ep, int *is_linux);
207 int load_uimage(const char *filename, target_ulong *ep,
208 target_ulong *la, target_ulong *loaded_image_size,
209 int *is_linux);
210 #endif
212 #ifdef HAS_AUDIO
213 struct soundhw {
214 const char *name;
215 const char *descr;
216 int enabled;
217 int isa;
218 union {
219 int (*init_isa) (AudioState *s, qemu_irq *pic);
220 int (*init_pci) (PCIBus *bus, AudioState *s);
221 } init;
224 extern struct soundhw soundhw[];
225 #endif
227 void do_usb_add(const char *devname);
228 void do_usb_del(const char *devname);
229 void usb_info(void);
231 #endif