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osdep: Fix runtime failure on older Linux kernels
[qemu.git] / sysemu.h
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1#ifndef SYSEMU_H
2#define SYSEMU_H
3/* Misc. things related to the system emulator. */
4
5#include "qemu-common.h"
6#include "qemu-option.h"
7#include "qemu-queue.h"
8#include "qemu-timer.h"
9#include "qdict.h"
10#include "qerror.h"
11
12#ifdef _WIN32
13#include <windows.h>
14#endif
15
16/* vl.c */
17extern const char *bios_name;
18
19#define QEMU_FILE_TYPE_BIOS 0
20#define QEMU_FILE_TYPE_KEYMAP 1
21char *qemu_find_file(int type, const char *name);
22
23extern int vm_running;
24extern const char *qemu_name;
25extern uint8_t qemu_uuid[];
26int qemu_uuid_parse(const char *str, uint8_t *uuid);
27#define UUID_FMT "%02hhx%02hhx%02hhx%02hhx-%02hhx%02hhx-%02hhx%02hhx-%02hhx%02hhx-%02hhx%02hhx%02hhx%02hhx%02hhx%02hhx"
28
29typedef struct vm_change_state_entry VMChangeStateEntry;
30typedef void VMChangeStateHandler(void *opaque, int running, int reason);
31
32VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
33 void *opaque);
34void qemu_del_vm_change_state_handler(VMChangeStateEntry *e);
35
36void vm_start(void);
37void vm_stop(int reason);
38
39uint64_t ram_bytes_remaining(void);
40uint64_t ram_bytes_transferred(void);
41uint64_t ram_bytes_total(void);
42
43int64_t cpu_get_ticks(void);
44void cpu_enable_ticks(void);
45void cpu_disable_ticks(void);
46
47void qemu_system_reset_request(void);
48void qemu_system_shutdown_request(void);
49void qemu_system_powerdown_request(void);
50int qemu_shutdown_requested(void);
51int qemu_reset_requested(void);
52int qemu_powerdown_requested(void);
53extern qemu_irq qemu_system_powerdown;
54void qemu_system_reset(void);
55
56void do_savevm(Monitor *mon, const QDict *qdict);
57int load_vmstate(Monitor *mon, const char *name);
58void do_delvm(Monitor *mon, const QDict *qdict);
59void do_info_snapshots(Monitor *mon);
60
61void qemu_announce_self(void);
62
63void main_loop_wait(int timeout);
64
65int qemu_savevm_state_begin(Monitor *mon, QEMUFile *f, int blk_enable,
66 int shared);
67int qemu_savevm_state_iterate(Monitor *mon, QEMUFile *f);
68int qemu_savevm_state_complete(Monitor *mon, QEMUFile *f);
69void qemu_savevm_state_cancel(Monitor *mon, QEMUFile *f);
70int qemu_loadvm_state(QEMUFile *f);
71
72void qemu_errors_to_file(FILE *fp);
73void qemu_errors_to_mon(Monitor *mon);
74void qemu_errors_to_previous(void);
75void qemu_error(const char *fmt, ...) __attribute__ ((format(printf, 1, 2)));
76void qemu_error_internal(const char *file, int linenr, const char *func,
77 const char *fmt, ...)
78 __attribute__ ((format(printf, 4, 5)));
79
80#define qemu_error_new(fmt, ...) \
81 qemu_error_internal(__FILE__, __LINE__, __func__, fmt, ## __VA_ARGS__)
82
83#ifdef _WIN32
84/* Polling handling */
85
86/* return TRUE if no sleep should be done afterwards */
87typedef int PollingFunc(void *opaque);
88
89int qemu_add_polling_cb(PollingFunc *func, void *opaque);
90void qemu_del_polling_cb(PollingFunc *func, void *opaque);
91
92/* Wait objects handling */
93typedef void WaitObjectFunc(void *opaque);
94
95int qemu_add_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque);
96void qemu_del_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque);
97#endif
98
99/* SLIRP */
100void do_info_slirp(Monitor *mon);
101
102typedef enum DisplayType
103{
104 DT_DEFAULT,
105 DT_CURSES,
106 DT_SDL,
107 DT_VNC,
108 DT_NOGRAPHIC,
109} DisplayType;
110
111extern int autostart;
112extern int bios_size;
113
114typedef enum {
115 VGA_NONE, VGA_STD, VGA_CIRRUS, VGA_VMWARE, VGA_XENFB
116} VGAInterfaceType;
117
118extern int vga_interface_type;
119#define cirrus_vga_enabled (vga_interface_type == VGA_CIRRUS)
120#define std_vga_enabled (vga_interface_type == VGA_STD)
121#define xenfb_enabled (vga_interface_type == VGA_XENFB)
122#define vmsvga_enabled (vga_interface_type == VGA_VMWARE)
123
124extern int graphic_width;
125extern int graphic_height;
126extern int graphic_depth;
127extern uint8_t irq0override;
128extern DisplayType display_type;
129extern const char *keyboard_layout;
130extern int win2k_install_hack;
131extern int rtc_td_hack;
132extern int alt_grab;
133extern int ctrl_grab;
134extern int usb_enabled;
135extern int smp_cpus;
136extern int max_cpus;
137extern int cursor_hide;
138extern int graphic_rotate;
139extern int no_quit;
140extern int semihosting_enabled;
141extern int old_param;
142extern int boot_menu;
143extern QEMUClock *rtc_clock;
144
145#define MAX_NODES 64
146extern int nb_numa_nodes;
147extern uint64_t node_mem[MAX_NODES];
148extern uint64_t node_cpumask[MAX_NODES];
149
150#define MAX_OPTION_ROMS 16
151extern const char *option_rom[MAX_OPTION_ROMS];
152extern int nb_option_roms;
153
154#ifdef NEED_CPU_H
155#if defined(TARGET_SPARC) || defined(TARGET_PPC)
156#define MAX_PROM_ENVS 128
157extern const char *prom_envs[MAX_PROM_ENVS];
158extern unsigned int nb_prom_envs;
159#endif
160#endif
161
162typedef enum {
163 IF_NONE,
164 IF_IDE, IF_SCSI, IF_FLOPPY, IF_PFLASH, IF_MTD, IF_SD, IF_VIRTIO, IF_XEN,
165 IF_COUNT
166} BlockInterfaceType;
167
168typedef enum {
169 BLOCK_ERR_REPORT, BLOCK_ERR_IGNORE, BLOCK_ERR_STOP_ENOSPC,
170 BLOCK_ERR_STOP_ANY
171} BlockInterfaceErrorAction;
172
173#define BLOCK_SERIAL_STRLEN 20
174
175typedef struct DriveInfo {
176 BlockDriverState *bdrv;
177 char *id;
178 const char *devaddr;
179 BlockInterfaceType type;
180 int bus;
181 int unit;
182 QemuOpts *opts;
183 BlockInterfaceErrorAction on_read_error;
184 BlockInterfaceErrorAction on_write_error;
185 char serial[BLOCK_SERIAL_STRLEN + 1];
186 QTAILQ_ENTRY(DriveInfo) next;
187} DriveInfo;
188
189#define MAX_IDE_DEVS 2
190#define MAX_SCSI_DEVS 7
191#define MAX_DRIVES 32
192
193extern QTAILQ_HEAD(drivelist, DriveInfo) drives;
194extern QTAILQ_HEAD(driveoptlist, DriveOpt) driveopts;
195
196extern DriveInfo *drive_get(BlockInterfaceType type, int bus, int unit);
197extern DriveInfo *drive_get_by_id(const char *id);
198extern int drive_get_max_bus(BlockInterfaceType type);
199extern void drive_uninit(DriveInfo *dinfo);
200extern const char *drive_get_serial(BlockDriverState *bdrv);
201
202extern BlockInterfaceErrorAction drive_get_on_error(
203 BlockDriverState *bdrv, int is_read);
204
205BlockDriverState *qdev_init_bdrv(DeviceState *dev, BlockInterfaceType type);
206
207extern QemuOpts *drive_add(const char *file, const char *fmt, ...);
208extern DriveInfo *drive_init(QemuOpts *arg, void *machine, int *fatal_error);
209
210/* device-hotplug */
211
212DriveInfo *add_init_drive(const char *opts);
213
214/* pci-hotplug */
215void pci_device_hot_add_print(Monitor *mon, const QObject *data);
216void pci_device_hot_add(Monitor *mon, const QDict *qdict, QObject **ret_data);
217void drive_hot_add(Monitor *mon, const QDict *qdict);
218void pci_device_hot_remove(Monitor *mon, const char *pci_addr);
219void do_pci_device_hot_remove(Monitor *mon, const QDict *qdict,
220 QObject **ret_data);
221
222/* serial ports */
223
224#define MAX_SERIAL_PORTS 4
225
226extern CharDriverState *serial_hds[MAX_SERIAL_PORTS];
227
228/* parallel ports */
229
230#define MAX_PARALLEL_PORTS 3
231
232extern CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
233
234/* virtio consoles */
235
236#define MAX_VIRTIO_CONSOLES 1
237
238extern CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
239
240#define TFR(expr) do { if ((expr) != -1) break; } while (errno == EINTR)
241
242#ifdef HAS_AUDIO
243struct soundhw {
244 const char *name;
245 const char *descr;
246 int enabled;
247 int isa;
248 union {
249 int (*init_isa) (qemu_irq *pic);
250 int (*init_pci) (PCIBus *bus);
251 } init;
252};
253
254extern struct soundhw soundhw[];
255#endif
256
257void do_usb_add(Monitor *mon, const QDict *qdict);
258void do_usb_del(Monitor *mon, const QDict *qdict);
259void usb_info(Monitor *mon);
260
261void register_devices(void);
262
263#endif
Qemu copy for testing