Ftruncate() is not supported by hugetlbfs on older hosts
[qemu-kvm/fedora.git] / sysemu.h
blobc60072d88d46287f959013a1b2118b2b485620a3
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 int64_t ram_size;
87 extern int bios_size;
88 extern int cirrus_vga_enabled;
89 extern int vmsvga_enabled;
90 extern int graphic_width;
91 extern int graphic_height;
92 extern int graphic_depth;
93 extern const char *keyboard_layout;
94 extern int win2k_install_hack;
95 extern int alt_grab;
96 extern int usb_enabled;
97 extern int smp_cpus;
98 extern int cursor_hide;
99 extern int graphic_rotate;
100 extern int no_quit;
101 extern int semihosting_enabled;
102 extern int autostart;
103 extern int old_param;
104 extern int hpagesize;
105 extern const char *bootp_filename;
108 #ifdef USE_KQEMU
109 extern int kqemu_allowed;
110 #endif
112 #define MAX_OPTION_ROMS 16
113 extern const char *option_rom[MAX_OPTION_ROMS];
114 extern int nb_option_roms;
116 #ifdef TARGET_SPARC
117 #define MAX_PROM_ENVS 128
118 extern const char *prom_envs[MAX_PROM_ENVS];
119 extern unsigned int nb_prom_envs;
120 #endif
122 /* XXX: make it dynamic */
123 #ifndef TARGET_IA64
124 #define MAX_BIOS_SIZE (4 * 1024 * 1024)
125 #else
126 #define MAX_BIOS_SIZE (16 * 1024 * 1024)
127 #endif
129 #if defined (TARGET_PPC)
130 #define BIOS_SIZE (1024 * 1024)
131 #elif defined (TARGET_SPARC64)
132 #define BIOS_SIZE ((512 + 32) * 1024)
133 #elif defined(TARGET_MIPS)
134 #define BIOS_SIZE (4 * 1024 * 1024)
135 #endif
137 typedef enum {
138 IF_IDE, IF_SCSI, IF_FLOPPY, IF_PFLASH, IF_MTD, IF_SD, IF_VIRTIO
139 } BlockInterfaceType;
141 typedef struct DriveInfo {
142 BlockDriverState *bdrv;
143 BlockInterfaceType type;
144 int bus;
145 int unit;
146 int used;
147 int drive_opt_idx;
148 } DriveInfo;
150 #define MAX_IDE_DEVS 2
151 #define MAX_SCSI_DEVS 7
152 #define MAX_DRIVES 32
154 int nb_drives;
155 DriveInfo drives_table[MAX_DRIVES+1];
156 int extboot_drive;
158 extern int drive_get_index(BlockInterfaceType type, int bus, int unit);
159 extern int drive_get_max_bus(BlockInterfaceType type);
161 extern void drive_uninit(BlockDriverState *bdrv);
162 extern void drive_remove(int index);
164 struct drive_opt {
165 const char *file;
166 char opt[1024];
167 int used;
170 extern struct drive_opt drives_opt[MAX_DRIVES];
171 extern int nb_drives_opt;
173 extern int drive_add(const char *file, const char *fmt, ...);
174 extern int drive_init(struct drive_opt *arg, int snapshot, void *machine);
176 /* acpi */
177 void qemu_system_cpu_hot_add(int cpu, int state);
178 void qemu_system_hot_add_init(const char *cpu_model);
179 void qemu_system_device_hot_add(int pcibus, int slot, int state);
181 /* device-hotplug */
182 void device_hot_add(int pcibus, const char *type, const char *opts);
183 void drive_hot_add(int pcibus, const char *devfn_string, const char *opts);
184 void device_hot_remove(int pcibus, int slot);
185 void device_hot_remove_success(int pcibus, int slot);
187 /* vmchannel devices */
189 #define MAX_VMCHANNEL_DEVICES 4
190 void pci_hypercall_init(PCIBus *bus);
191 void vmchannel_init(CharDriverState *hd, uint32_t deviceid, uint32_t index);
193 /* serial ports */
195 #define MAX_SERIAL_PORTS 4
197 extern CharDriverState *serial_hds[MAX_SERIAL_PORTS];
199 /* parallel ports */
201 #define MAX_PARALLEL_PORTS 3
203 extern CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
205 #ifdef NEED_CPU_H
206 /* loader.c */
207 int get_image_size(const char *filename);
208 int load_image(const char *filename, uint8_t *addr);
209 int load_elf(const char *filename, int64_t virt_to_phys_addend,
210 uint64_t *pentry, uint64_t *lowaddr, uint64_t *highaddr);
211 int load_aout(const char *filename, uint8_t *addr);
212 int load_uboot(const char *filename, target_ulong *ep, int *is_linux);
213 int load_uimage(const char *filename, target_ulong *ep,
214 target_ulong *la, target_ulong *loaded_image_size,
215 int *is_linux);
216 #endif
218 #ifdef HAS_AUDIO
219 struct soundhw {
220 const char *name;
221 const char *descr;
222 int enabled;
223 int isa;
224 union {
225 int (*init_isa) (AudioState *s, qemu_irq *pic);
226 int (*init_pci) (PCIBus *bus, AudioState *s);
227 } init;
230 extern struct soundhw soundhw[];
231 #endif
233 void do_usb_add(const char *devname);
234 void do_usb_del(const char *devname);
235 void usb_info(void);
237 #endif