Add flag to indicate external users to block device
[qemu/stefanha.git] / sysemu.h
blob23ae17e2e90d303af8a05b39ae8d50f4bbf1b7d8
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 qemu_add_machine_init_done_notifier(Notifier *notify);
65 void do_savevm(Monitor *mon, const QDict *qdict);
66 int load_vmstate(const char *name);
67 void do_delvm(Monitor *mon, const QDict *qdict);
68 void do_info_snapshots(Monitor *mon);
70 void cpu_synchronize_all_states(void);
71 void cpu_synchronize_all_post_reset(void);
72 void cpu_synchronize_all_post_init(void);
74 void qemu_announce_self(void);
76 void main_loop_wait(int nonblocking);
78 bool qemu_savevm_state_blocked(Monitor *mon);
79 int qemu_savevm_state_begin(Monitor *mon, QEMUFile *f, int blk_enable,
80 int shared);
81 int qemu_savevm_state_iterate(Monitor *mon, QEMUFile *f);
82 int qemu_savevm_state_complete(Monitor *mon, QEMUFile *f);
83 void qemu_savevm_state_cancel(Monitor *mon, QEMUFile *f);
84 int qemu_loadvm_state(QEMUFile *f);
86 /* SLIRP */
87 void do_info_slirp(Monitor *mon);
89 /* OS specific functions */
90 void os_setup_early_signal_handling(void);
91 char *os_find_datadir(const char *argv0);
92 void os_parse_cmd_args(int index, const char *optarg);
93 void os_pidfile_error(void);
95 typedef enum DisplayType
97 DT_DEFAULT,
98 DT_CURSES,
99 DT_SDL,
100 DT_NOGRAPHIC,
101 } DisplayType;
103 extern int autostart;
104 extern int incoming_expected;
105 extern int bios_size;
107 typedef enum {
108 VGA_NONE, VGA_STD, VGA_CIRRUS, VGA_VMWARE, VGA_XENFB, VGA_QXL,
109 } VGAInterfaceType;
111 extern int vga_interface_type;
112 #define cirrus_vga_enabled (vga_interface_type == VGA_CIRRUS)
113 #define std_vga_enabled (vga_interface_type == VGA_STD)
114 #define xenfb_enabled (vga_interface_type == VGA_XENFB)
115 #define vmsvga_enabled (vga_interface_type == VGA_VMWARE)
116 #define qxl_enabled (vga_interface_type == VGA_QXL)
118 extern int graphic_width;
119 extern int graphic_height;
120 extern int graphic_depth;
121 extern uint8_t irq0override;
122 extern DisplayType display_type;
123 extern const char *keyboard_layout;
124 extern int win2k_install_hack;
125 extern int rtc_td_hack;
126 extern int alt_grab;
127 extern int ctrl_grab;
128 extern int usb_enabled;
129 extern int smp_cpus;
130 extern int max_cpus;
131 extern int cursor_hide;
132 extern int graphic_rotate;
133 extern int no_quit;
134 extern int no_shutdown;
135 extern int semihosting_enabled;
136 extern int old_param;
137 extern int boot_menu;
138 extern QEMUClock *rtc_clock;
140 #define MAX_NODES 64
141 extern int nb_numa_nodes;
142 extern uint64_t node_mem[MAX_NODES];
143 extern uint64_t node_cpumask[MAX_NODES];
145 #define MAX_OPTION_ROMS 16
146 typedef struct QEMUOptionRom {
147 const char *name;
148 int32_t bootindex;
149 } QEMUOptionRom;
150 extern QEMUOptionRom option_rom[MAX_OPTION_ROMS];
151 extern int nb_option_roms;
153 #define MAX_PROM_ENVS 128
154 extern const char *prom_envs[MAX_PROM_ENVS];
155 extern unsigned int nb_prom_envs;
157 /* pci-hotplug */
158 void pci_device_hot_add(Monitor *mon, const QDict *qdict);
159 void drive_hot_add(Monitor *mon, const QDict *qdict);
160 void do_pci_device_hot_remove(Monitor *mon, const QDict *qdict);
162 /* pcie aer error injection */
163 void pcie_aer_inject_error_print(Monitor *mon, const QObject *data);
164 int do_pcie_aer_inejct_error(Monitor *mon,
165 const QDict *qdict, QObject **ret_data);
167 /* serial ports */
169 #define MAX_SERIAL_PORTS 4
171 extern CharDriverState *serial_hds[MAX_SERIAL_PORTS];
173 /* parallel ports */
175 #define MAX_PARALLEL_PORTS 3
177 extern CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
179 #define TFR(expr) do { if ((expr) != -1) break; } while (errno == EINTR)
181 void do_usb_add(Monitor *mon, const QDict *qdict);
182 void do_usb_del(Monitor *mon, const QDict *qdict);
183 void usb_info(Monitor *mon);
185 void rtc_change_mon_event(struct tm *tm);
187 void register_devices(void);
189 void add_boot_device_path(int32_t bootindex, DeviceState *dev,
190 const char *suffix);
191 char *get_boot_devices_list(uint32_t *size);
192 #endif