Improve qemu-nbd performance by 4400 %
[qemu/ar7.git] / sysemu.h
bloba1f6466ac222b3a884849d5b35a79b06345d5c19
1 #ifndef SYSEMU_H
2 #define SYSEMU_H
3 /* Misc. things related to the system emulator. */
5 #include "qemu-common.h"
6 #include "qemu-option.h"
7 #include "qemu-queue.h"
8 #include "qemu-timer.h"
9 #include "notify.h"
11 #ifdef _WIN32
12 #include <windows.h>
13 #include "qemu-os-win32.h"
14 #endif
16 #ifdef CONFIG_POSIX
17 #include "qemu-os-posix.h"
18 #endif
20 /* vl.c */
21 extern const char *bios_name;
23 #define QEMU_FILE_TYPE_BIOS 0
24 #define QEMU_FILE_TYPE_KEYMAP 1
25 char *qemu_find_file(int type, const char *name);
27 extern int vm_running;
28 extern const char *qemu_name;
29 extern uint8_t qemu_uuid[];
30 int qemu_uuid_parse(const char *str, uint8_t *uuid);
31 #define UUID_FMT "%02hhx%02hhx%02hhx%02hhx-%02hhx%02hhx-%02hhx%02hhx-%02hhx%02hhx-%02hhx%02hhx%02hhx%02hhx%02hhx%02hhx"
33 typedef struct vm_change_state_entry VMChangeStateEntry;
34 typedef void VMChangeStateHandler(void *opaque, int running, int reason);
36 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
37 void *opaque);
38 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e);
40 void vm_start(void);
41 void vm_stop(int reason);
43 uint64_t ram_bytes_remaining(void);
44 uint64_t ram_bytes_transferred(void);
45 uint64_t ram_bytes_total(void);
47 int64_t cpu_get_ticks(void);
48 void cpu_enable_ticks(void);
49 void cpu_disable_ticks(void);
51 void qemu_system_reset_request(void);
52 void qemu_system_shutdown_request(void);
53 void qemu_system_powerdown_request(void);
54 int qemu_shutdown_requested(void);
55 int qemu_reset_requested(void);
56 int qemu_powerdown_requested(void);
57 extern qemu_irq qemu_system_powerdown;
58 void qemu_system_reset(void);
60 void qemu_add_exit_notifier(Notifier *notify);
61 void qemu_remove_exit_notifier(Notifier *notify);
63 void do_savevm(Monitor *mon, const QDict *qdict);
64 int load_vmstate(const char *name);
65 void do_delvm(Monitor *mon, const QDict *qdict);
66 void do_info_snapshots(Monitor *mon);
68 void cpu_synchronize_all_states(void);
69 void cpu_synchronize_all_post_reset(void);
70 void cpu_synchronize_all_post_init(void);
72 void qemu_announce_self(void);
74 void main_loop_wait(int nonblocking);
76 int qemu_savevm_state_begin(Monitor *mon, QEMUFile *f, int blk_enable,
77 int shared);
78 int qemu_savevm_state_iterate(Monitor *mon, QEMUFile *f);
79 int qemu_savevm_state_complete(Monitor *mon, QEMUFile *f);
80 void qemu_savevm_state_cancel(Monitor *mon, QEMUFile *f);
81 int qemu_loadvm_state(QEMUFile *f);
83 /* SLIRP */
84 void do_info_slirp(Monitor *mon);
86 /* OS specific functions */
87 void os_setup_early_signal_handling(void);
88 char *os_find_datadir(const char *argv0);
89 void os_parse_cmd_args(int index, const char *optarg);
90 void os_pidfile_error(void);
92 typedef enum DisplayType
94 DT_DEFAULT,
95 DT_CURSES,
96 DT_SDL,
97 DT_VNC,
98 DT_NOGRAPHIC,
99 } DisplayType;
101 extern int autostart;
102 extern int incoming_expected;
103 extern int bios_size;
105 typedef enum {
106 VGA_NONE, VGA_STD, VGA_CIRRUS, VGA_VMWARE, VGA_XENFB
107 } VGAInterfaceType;
109 extern int vga_interface_type;
110 #define cirrus_vga_enabled (vga_interface_type == VGA_CIRRUS)
111 #define std_vga_enabled (vga_interface_type == VGA_STD)
112 #define xenfb_enabled (vga_interface_type == VGA_XENFB)
113 #define vmsvga_enabled (vga_interface_type == VGA_VMWARE)
115 extern int graphic_width;
116 extern int graphic_height;
117 extern int graphic_depth;
118 extern uint8_t irq0override;
119 extern DisplayType display_type;
120 extern const char *keyboard_layout;
121 extern int win2k_install_hack;
122 extern int rtc_td_hack;
123 extern int alt_grab;
124 extern int ctrl_grab;
125 extern int usb_enabled;
126 extern int smp_cpus;
127 extern int max_cpus;
128 extern int cursor_hide;
129 extern int graphic_rotate;
130 extern int no_quit;
131 extern int no_shutdown;
132 extern int semihosting_enabled;
133 extern int old_param;
134 extern int boot_menu;
135 extern QEMUClock *rtc_clock;
137 #define MAX_NODES 64
138 extern int nb_numa_nodes;
139 extern uint64_t node_mem[MAX_NODES];
140 extern uint64_t node_cpumask[MAX_NODES];
142 #define MAX_OPTION_ROMS 16
143 extern const char *option_rom[MAX_OPTION_ROMS];
144 extern int nb_option_roms;
146 #define MAX_PROM_ENVS 128
147 extern const char *prom_envs[MAX_PROM_ENVS];
148 extern unsigned int nb_prom_envs;
150 /* pci-hotplug */
151 void pci_device_hot_add(Monitor *mon, const QDict *qdict);
152 void drive_hot_add(Monitor *mon, const QDict *qdict);
153 void do_pci_device_hot_remove(Monitor *mon, const QDict *qdict);
155 /* serial ports */
157 #define MAX_SERIAL_PORTS 4
159 extern CharDriverState *serial_hds[MAX_SERIAL_PORTS];
161 /* parallel ports */
163 #define MAX_PARALLEL_PORTS 3
165 extern CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
167 #define TFR(expr) do { if ((expr) != -1) break; } while (errno == EINTR)
169 #ifdef HAS_AUDIO
170 struct soundhw {
171 const char *name;
172 const char *descr;
173 int enabled;
174 int isa;
175 union {
176 int (*init_isa) (qemu_irq *pic);
177 int (*init_pci) (PCIBus *bus);
178 } init;
181 extern struct soundhw soundhw[];
182 #endif
184 void do_usb_add(Monitor *mon, const QDict *qdict);
185 void do_usb_del(Monitor *mon, const QDict *qdict);
186 void usb_info(Monitor *mon);
188 void rtc_change_mon_event(struct tm *tm);
190 void register_devices(void);
192 #endif