kvm userspace: ksm support
[qemu-kvm/fedora.git] / sysemu.h
blob1c872168948bfb4d92d465dfa7fea5176234e396
1 #ifndef SYSEMU_H
2 #define SYSEMU_H
3 /* Misc. things related to the system emulator. */
5 #include "qemu-common.h"
7 #ifdef _WIN32
8 #include <windows.h>
9 #endif
11 /* vl.c */
12 extern const char *bios_name;
14 #define QEMU_FILE_TYPE_BIOS 0
15 #define QEMU_FILE_TYPE_KEYMAP 1
16 char *qemu_find_file(int type, const char *name);
18 extern int vm_running;
19 extern const char *qemu_name;
20 extern uint8_t qemu_uuid[];
21 int qemu_uuid_parse(const char *str, uint8_t *uuid);
22 #define UUID_FMT "%02hhx%02hhx%02hhx%02hhx-%02hhx%02hhx-%02hhx%02hhx-%02hhx%02hhx-%02hhx%02hhx%02hhx%02hhx%02hhx%02hhx"
24 typedef struct vm_change_state_entry VMChangeStateEntry;
25 typedef void VMChangeStateHandler(void *opaque, int running, int reason);
27 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
28 void *opaque);
29 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e);
31 void vm_start(void);
32 void vm_stop(int reason);
34 uint64_t ram_bytes_remaining(void);
35 uint64_t ram_bytes_transferred(void);
36 uint64_t ram_bytes_total(void);
38 int64_t cpu_get_ticks(void);
39 void cpu_enable_ticks(void);
40 void cpu_disable_ticks(void);
42 void qemu_system_reset_request(void);
43 void qemu_system_shutdown_request(void);
44 void qemu_system_powerdown_request(void);
45 int qemu_no_shutdown(void);
46 int qemu_shutdown_requested(void);
47 int qemu_reset_requested(void);
48 int qemu_powerdown_requested(void);
49 #ifdef NEED_CPU_H
50 #if !defined(TARGET_SPARC) && !defined(TARGET_I386)
51 // Please implement a power failure function to signal the OS
52 #define qemu_system_powerdown() do{}while(0)
53 #else
54 void qemu_system_powerdown(void);
55 #endif
56 #endif
57 void qemu_system_reset(void);
59 void do_savevm(Monitor *mon, const char *name);
60 void do_loadvm(Monitor *mon, const char *name);
61 void do_delvm(Monitor *mon, const char *name);
62 void do_info_snapshots(Monitor *mon);
64 void qemu_announce_self(void);
66 void main_loop_wait(int timeout);
68 int qemu_savevm_state_begin(QEMUFile *f);
69 int qemu_savevm_state_iterate(QEMUFile *f);
70 int qemu_savevm_state_complete(QEMUFile *f);
71 int qemu_savevm_state(QEMUFile *f);
72 int qemu_loadvm_state(QEMUFile *f);
74 #ifdef _WIN32
75 /* Polling handling */
77 /* return TRUE if no sleep should be done afterwards */
78 typedef int PollingFunc(void *opaque);
80 int qemu_add_polling_cb(PollingFunc *func, void *opaque);
81 void qemu_del_polling_cb(PollingFunc *func, void *opaque);
83 /* Wait objects handling */
84 typedef void WaitObjectFunc(void *opaque);
86 int qemu_add_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque);
87 void qemu_del_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque);
88 #endif
90 /* TAP win32 */
91 int tap_win32_init(VLANState *vlan, const char *model,
92 const char *name, const char *ifname);
94 /* SLIRP */
95 void do_info_slirp(Monitor *mon);
97 typedef enum DisplayType
99 DT_DEFAULT,
100 DT_CURSES,
101 DT_SDL,
102 DT_VNC,
103 DT_NOGRAPHIC,
104 } DisplayType;
106 extern int autostart;
107 extern int bios_size;
109 typedef enum {
110 VGA_NONE, VGA_STD, VGA_CIRRUS, VGA_VMWARE, VGA_XENFB
111 } VGAInterfaceType;
113 extern int vga_interface_type;
114 #define cirrus_vga_enabled (vga_interface_type == VGA_CIRRUS)
115 #define std_vga_enabled (vga_interface_type == VGA_STD)
116 #define xenfb_enabled (vga_interface_type == VGA_XENFB)
117 #define vmsvga_enabled (vga_interface_type == VGA_VMWARE)
119 extern int graphic_width;
120 extern int graphic_height;
121 extern int graphic_depth;
122 extern uint8_t irq0override;
123 extern DisplayType display_type;
124 extern const char *keyboard_layout;
125 extern int win2k_install_hack;
126 extern int rtc_td_hack;
127 extern int alt_grab;
128 extern int usb_enabled;
129 extern int virtio_balloon;
130 extern const char *virtio_balloon_devaddr;
131 extern int smp_cpus;
132 extern int cursor_hide;
133 extern int graphic_rotate;
134 extern int no_quit;
135 extern int semihosting_enabled;
136 extern int old_param;
137 extern int boot_menu;
138 extern long hpagesize;
140 #ifdef CONFIG_KQEMU
141 extern int kqemu_allowed;
142 #endif
144 #define MAX_NODES 64
145 extern int nb_numa_nodes;
146 extern uint64_t node_mem[MAX_NODES];
148 #define MAX_OPTION_ROMS 16
149 extern const char *option_rom[MAX_OPTION_ROMS];
150 extern int nb_option_roms;
152 #ifdef NEED_CPU_H
153 #if defined(TARGET_SPARC) || defined(TARGET_PPC)
154 #define MAX_PROM_ENVS 128
155 extern const char *prom_envs[MAX_PROM_ENVS];
156 extern unsigned int nb_prom_envs;
157 #endif
158 #endif
160 typedef enum {
161 IF_IDE, IF_SCSI, IF_FLOPPY, IF_PFLASH, IF_MTD, IF_SD, IF_VIRTIO, IF_XEN,
162 IF_COUNT
163 } BlockInterfaceType;
165 typedef enum {
166 BLOCK_ERR_REPORT, BLOCK_ERR_IGNORE, BLOCK_ERR_STOP_ENOSPC,
167 BLOCK_ERR_STOP_ANY
168 } BlockInterfaceErrorAction;
170 #define BLOCK_SERIAL_STRLEN 20
172 typedef struct DriveInfo {
173 BlockDriverState *bdrv;
174 const char *devaddr;
175 BlockInterfaceType type;
176 int bus;
177 int unit;
178 int used;
179 int drive_opt_idx;
180 BlockInterfaceErrorAction onerror;
181 char serial[BLOCK_SERIAL_STRLEN + 1];
182 } DriveInfo;
184 #define MAX_IDE_DEVS 2
185 #define MAX_SCSI_DEVS 7
186 #define MAX_DRIVES 32
188 extern int nb_drives;
189 extern DriveInfo drives_table[MAX_DRIVES+1];
190 extern int extboot_drive;
192 extern int drive_get_index(BlockInterfaceType type, int bus, int unit);
193 extern int drive_get_max_bus(BlockInterfaceType type);
194 extern void drive_uninit(BlockDriverState *bdrv);
195 extern void drive_remove(int index);
196 extern const char *drive_get_serial(BlockDriverState *bdrv);
197 extern BlockInterfaceErrorAction drive_get_onerror(BlockDriverState *bdrv);
199 BlockDriverState *qdev_init_bdrv(DeviceState *dev, BlockInterfaceType type);
201 struct drive_opt {
202 const char *file;
203 char opt[1024];
204 int used;
207 extern struct drive_opt drives_opt[MAX_DRIVES];
208 extern int nb_drives_opt;
210 extern int drive_add(const char *file, const char *fmt, ...);
211 extern int drive_init(struct drive_opt *arg, int snapshot, void *machine);
213 /* acpi */
214 void qemu_system_cpu_hot_add(int cpu, int state);
215 typedef void (*qemu_system_device_hot_add_t)(int pcibus, int slot, int state);
216 void qemu_system_device_hot_add_register(qemu_system_device_hot_add_t callback);
217 void qemu_system_device_hot_add(int pcibus, int slot, int state);
219 /* device-hotplug */
221 typedef int (dev_match_fn)(void *dev_private, void *arg);
223 int add_init_drive(const char *opts);
224 void destroy_nic(dev_match_fn *match_fn, void *arg);
225 void destroy_bdrvs(dev_match_fn *match_fn, void *arg);
227 /* pci-hotplug */
228 void pci_device_hot_add(Monitor *mon, const char *pci_addr, const char *type,
229 const char *opts);
230 void drive_hot_add(Monitor *mon, const char *pci_addr, const char *opts);
231 void pci_device_hot_remove(Monitor *mon, const char *pci_addr);
232 void pci_device_hot_remove_success(int pcibus, int slot);
234 /* serial ports */
236 #define MAX_SERIAL_PORTS 4
238 extern CharDriverState *serial_hds[MAX_SERIAL_PORTS];
240 /* parallel ports */
242 #define MAX_PARALLEL_PORTS 3
244 extern CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
246 /* virtio consoles */
248 #define MAX_VIRTIO_CONSOLES 1
250 extern CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
252 #define TFR(expr) do { if ((expr) != -1) break; } while (errno == EINTR)
254 #ifdef NEED_CPU_H
255 /* loader.c */
256 int get_image_size(const char *filename);
257 int load_image(const char *filename, uint8_t *addr); /* deprecated */
258 int load_image_targphys(const char *filename, target_phys_addr_t, int max_sz);
259 int load_elf(const char *filename, int64_t address_offset,
260 uint64_t *pentry, uint64_t *lowaddr, uint64_t *highaddr);
261 int load_aout(const char *filename, target_phys_addr_t addr, int max_sz);
262 int load_uimage(const char *filename, target_ulong *ep, target_ulong *loadaddr,
263 int *is_linux);
265 int fread_targphys(target_phys_addr_t dst_addr, size_t nbytes, FILE *f);
266 int fread_targphys_ok(target_phys_addr_t dst_addr, size_t nbytes, FILE *f);
267 int read_targphys(int fd, target_phys_addr_t dst_addr, size_t nbytes);
268 void pstrcpy_targphys(target_phys_addr_t dest, int buf_size,
269 const char *source);
270 #endif
272 #ifdef HAS_AUDIO
273 struct soundhw {
274 const char *name;
275 const char *descr;
276 int enabled;
277 int isa;
278 union {
279 int (*init_isa) (qemu_irq *pic);
280 int (*init_pci) (PCIBus *bus);
281 } init;
284 extern struct soundhw soundhw[];
285 #endif
287 void do_usb_add(Monitor *mon, const char *devname);
288 void do_usb_del(Monitor *mon, const char *devname);
289 void usb_info(Monitor *mon);
291 int get_param_value(char *buf, int buf_size,
292 const char *tag, const char *str);
293 int get_next_param_value(char *buf, int buf_size,
294 const char *tag, const char **pstr);
295 int check_params(char *buf, int buf_size,
296 const char * const *params, const char *str);
298 void register_devices(void);
300 #endif