virtio-net: fix network stall under load
[qemu/ar7.git] / sysemu.h
blob9c3b2810919dad63858e1e5114bdb436749e2e34
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 "qdict.h"
10 #include "qerror.h"
12 #ifdef _WIN32
13 #include <windows.h>
14 #endif
16 /* vl.c */
17 extern const char *bios_name;
19 #define QEMU_FILE_TYPE_BIOS 0
20 #define QEMU_FILE_TYPE_KEYMAP 1
21 char *qemu_find_file(int type, const char *name);
23 extern int vm_running;
24 extern const char *qemu_name;
25 extern uint8_t qemu_uuid[];
26 int 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"
29 typedef struct vm_change_state_entry VMChangeStateEntry;
30 typedef void VMChangeStateHandler(void *opaque, int running, int reason);
32 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
33 void *opaque);
34 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e);
36 void vm_start(void);
37 void vm_stop(int reason);
39 uint64_t ram_bytes_remaining(void);
40 uint64_t ram_bytes_transferred(void);
41 uint64_t ram_bytes_total(void);
43 int64_t cpu_get_ticks(void);
44 void cpu_enable_ticks(void);
45 void cpu_disable_ticks(void);
47 void qemu_system_reset_request(void);
48 void qemu_system_shutdown_request(void);
49 void qemu_system_powerdown_request(void);
50 int qemu_shutdown_requested(void);
51 int qemu_reset_requested(void);
52 int qemu_powerdown_requested(void);
53 extern qemu_irq qemu_system_powerdown;
54 void qemu_system_reset(void);
56 void do_savevm(Monitor *mon, const QDict *qdict);
57 int load_vmstate(Monitor *mon, const char *name);
58 void do_delvm(Monitor *mon, const QDict *qdict);
59 void do_info_snapshots(Monitor *mon);
61 void qemu_announce_self(void);
63 void main_loop_wait(int timeout);
65 int qemu_savevm_state_begin(Monitor *mon, QEMUFile *f, int blk_enable,
66 int shared);
67 int qemu_savevm_state_iterate(Monitor *mon, QEMUFile *f);
68 int qemu_savevm_state_complete(Monitor *mon, QEMUFile *f);
69 void qemu_savevm_state_cancel(Monitor *mon, QEMUFile *f);
70 int qemu_loadvm_state(QEMUFile *f);
72 void qemu_errors_to_file(FILE *fp);
73 void qemu_errors_to_mon(Monitor *mon);
74 void qemu_errors_to_previous(void);
75 void qemu_error(const char *fmt, ...) __attribute__ ((format(printf, 1, 2)));
76 void qemu_error_internal(const char *file, int linenr, const char *func,
77 const char *fmt, ...)
78 __attribute__ ((format(printf, 4, 5)));
80 #define qemu_error_new(fmt, ...) \
81 qemu_error_internal(__FILE__, __LINE__, __func__, fmt, ## __VA_ARGS__)
83 #ifdef _WIN32
84 /* Polling handling */
86 /* return TRUE if no sleep should be done afterwards */
87 typedef int PollingFunc(void *opaque);
89 int qemu_add_polling_cb(PollingFunc *func, void *opaque);
90 void qemu_del_polling_cb(PollingFunc *func, void *opaque);
92 /* Wait objects handling */
93 typedef void WaitObjectFunc(void *opaque);
95 int qemu_add_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque);
96 void qemu_del_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque);
97 #endif
99 /* SLIRP */
100 void do_info_slirp(Monitor *mon);
102 typedef enum DisplayType
104 DT_DEFAULT,
105 DT_CURSES,
106 DT_SDL,
107 DT_VNC,
108 DT_NOGRAPHIC,
109 } DisplayType;
111 extern int autostart;
112 extern int bios_size;
114 typedef enum {
115 VGA_NONE, VGA_STD, VGA_CIRRUS, VGA_VMWARE, VGA_XENFB
116 } VGAInterfaceType;
118 extern 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)
124 extern int graphic_width;
125 extern int graphic_height;
126 extern int graphic_depth;
127 extern uint8_t irq0override;
128 extern DisplayType display_type;
129 extern const char *keyboard_layout;
130 extern int win2k_install_hack;
131 extern int rtc_td_hack;
132 extern int alt_grab;
133 extern int ctrl_grab;
134 extern int usb_enabled;
135 extern int smp_cpus;
136 extern int max_cpus;
137 extern int cursor_hide;
138 extern int graphic_rotate;
139 extern int no_quit;
140 extern int semihosting_enabled;
141 extern int old_param;
142 extern int boot_menu;
143 extern QEMUClock *rtc_clock;
145 #define MAX_NODES 64
146 extern int nb_numa_nodes;
147 extern uint64_t node_mem[MAX_NODES];
148 extern uint64_t node_cpumask[MAX_NODES];
150 #define MAX_OPTION_ROMS 16
151 extern const char *option_rom[MAX_OPTION_ROMS];
152 extern int nb_option_roms;
154 #ifdef NEED_CPU_H
155 #if defined(TARGET_SPARC) || defined(TARGET_PPC)
156 #define MAX_PROM_ENVS 128
157 extern const char *prom_envs[MAX_PROM_ENVS];
158 extern unsigned int nb_prom_envs;
159 #endif
160 #endif
162 typedef 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;
168 typedef enum {
169 BLOCK_ERR_REPORT, BLOCK_ERR_IGNORE, BLOCK_ERR_STOP_ENOSPC,
170 BLOCK_ERR_STOP_ANY
171 } BlockInterfaceErrorAction;
173 #define BLOCK_SERIAL_STRLEN 20
175 typedef 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;
189 #define MAX_IDE_DEVS 2
190 #define MAX_SCSI_DEVS 7
191 #define MAX_DRIVES 32
193 extern QTAILQ_HEAD(drivelist, DriveInfo) drives;
194 extern QTAILQ_HEAD(driveoptlist, DriveOpt) driveopts;
196 extern DriveInfo *drive_get(BlockInterfaceType type, int bus, int unit);
197 extern DriveInfo *drive_get_by_id(const char *id);
198 extern int drive_get_max_bus(BlockInterfaceType type);
199 extern void drive_uninit(DriveInfo *dinfo);
200 extern const char *drive_get_serial(BlockDriverState *bdrv);
202 extern BlockInterfaceErrorAction drive_get_on_error(
203 BlockDriverState *bdrv, int is_read);
205 BlockDriverState *qdev_init_bdrv(DeviceState *dev, BlockInterfaceType type);
207 extern QemuOpts *drive_add(const char *file, const char *fmt, ...);
208 extern DriveInfo *drive_init(QemuOpts *arg, void *machine, int *fatal_error);
210 /* device-hotplug */
212 DriveInfo *add_init_drive(const char *opts);
214 /* pci-hotplug */
215 void pci_device_hot_add_print(Monitor *mon, const QObject *data);
216 void pci_device_hot_add(Monitor *mon, const QDict *qdict, QObject **ret_data);
217 void drive_hot_add(Monitor *mon, const QDict *qdict);
218 void pci_device_hot_remove(Monitor *mon, const char *pci_addr);
219 void do_pci_device_hot_remove(Monitor *mon, const QDict *qdict,
220 QObject **ret_data);
222 /* serial ports */
224 #define MAX_SERIAL_PORTS 4
226 extern CharDriverState *serial_hds[MAX_SERIAL_PORTS];
228 /* parallel ports */
230 #define MAX_PARALLEL_PORTS 3
232 extern CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
234 #define TFR(expr) do { if ((expr) != -1) break; } while (errno == EINTR)
236 #ifdef HAS_AUDIO
237 struct soundhw {
238 const char *name;
239 const char *descr;
240 int enabled;
241 int isa;
242 union {
243 int (*init_isa) (qemu_irq *pic);
244 int (*init_pci) (PCIBus *bus);
245 } init;
248 extern struct soundhw soundhw[];
249 #endif
251 void do_usb_add(Monitor *mon, const QDict *qdict);
252 void do_usb_del(Monitor *mon, const QDict *qdict);
253 void usb_info(Monitor *mon);
255 void register_devices(void);
257 #endif