sysemu.h

   1 #ifndef SYSEMU_H
   2 #define SYSEMU_H
   3 /* Misc. things related to the system emulator.  */
   4
   5 #include "qemu-common.h"
   6 #include "sys-queue.h"
   7
   8 #ifdef _WIN32
   9 #include <windows.h>
  10 #endif
  11
  12 /* vl.c */
  13 extern const char *bios_name;
  14
  15 #define QEMU_FILE_TYPE_BIOS   0
  16 #define QEMU_FILE_TYPE_KEYMAP 1
  17 char *qemu_find_file(int type, const char *name);
  18
  19 extern int vm_running;
  20 extern const char *qemu_name;
  21 extern uint8_t qemu_uuid[];
  22 int qemu_uuid_parse(const char *str, uint8_t *uuid);
  23 #define UUID_FMT "%02hhx%02hhx%02hhx%02hhx-%02hhx%02hhx-%02hhx%02hhx-%02hhx%02hhx-%02hhx%02hhx%02hhx%02hhx%02hhx%02hhx"
  24
  25 typedef struct vm_change_state_entry VMChangeStateEntry;
  26 typedef void VMChangeStateHandler(void *opaque, int running, int reason);
  27
  28 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
  29                                                      void *opaque);
  30 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e);
  31
  32 void vm_start(void);
  33 void vm_stop(int reason);
  34
  35 uint64_t ram_bytes_remaining(void);
  36 uint64_t ram_bytes_transferred(void);
  37 uint64_t ram_bytes_total(void);
  38
  39 int64_t cpu_get_ticks(void);
  40 void cpu_enable_ticks(void);
  41 void cpu_disable_ticks(void);
  42
  43 void qemu_system_reset_request(void);
  44 void qemu_system_shutdown_request(void);
  45 void qemu_system_powerdown_request(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);
  58
  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);
  63
  64 void qemu_announce_self(void);
  65
  66 void main_loop_wait(int timeout);
  67
  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);
  73
  74 #ifdef _WIN32
  75 /* Polling handling */
  76
  77 /* return TRUE if no sleep should be done afterwards */
  78 typedef int PollingFunc(void *opaque);
  79
  80 int qemu_add_polling_cb(PollingFunc *func, void *opaque);
  81 void qemu_del_polling_cb(PollingFunc *func, void *opaque);
  82
  83 /* Wait objects handling */
  84 typedef void WaitObjectFunc(void *opaque);
  85
  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
  89
  90 /* TAP win32 */
  91 int tap_win32_init(VLANState *vlan, const char *model,
  92                    const char *name, const char *ifname);
  93
  94 /* SLIRP */
  95 void do_info_slirp(Monitor *mon);
  96
  97 typedef enum DisplayType
  98 {
  99     DT_DEFAULT,
 100     DT_CURSES,
 101     DT_SDL,
 102     DT_VNC,
 103     DT_NOGRAPHIC,
 104 } DisplayType;
 105
 106 extern int bios_size;
 107 extern int cirrus_vga_enabled;
 108 extern int std_vga_enabled;
 109 extern int vmsvga_enabled;
 110 extern int xenfb_enabled;
 111 extern int graphic_width;
 112 extern int graphic_height;
 113 extern int graphic_depth;
 114 extern DisplayType display_type;
 115 extern const char *keyboard_layout;
 116 extern int win2k_install_hack;
 117 extern int rtc_td_hack;
 118 extern int alt_grab;
 119 extern int usb_enabled;
 120 extern int virtio_balloon;
 121 extern const char *virtio_balloon_devaddr;
 122 extern int smp_cpus;
 123 extern int cursor_hide;
 124 extern int graphic_rotate;
 125 extern int no_quit;
 126 extern int semihosting_enabled;
 127 extern int old_param;
 128 extern int boot_menu;
 129
 130 #ifdef CONFIG_KQEMU
 131 extern int kqemu_allowed;
 132 #endif
 133
 134 #define MAX_NODES 64
 135 extern int nb_numa_nodes;
 136 extern uint64_t node_mem[MAX_NODES];
 137
 138 #define MAX_OPTION_ROMS 16
 139 extern const char *option_rom[MAX_OPTION_ROMS];
 140 extern int nb_option_roms;
 141
 142 #ifdef NEED_CPU_H
 143 #if defined(TARGET_SPARC) || defined(TARGET_PPC)
 144 #define MAX_PROM_ENVS 128
 145 extern const char *prom_envs[MAX_PROM_ENVS];
 146 extern unsigned int nb_prom_envs;
 147 #endif
 148 #endif
 149
 150 typedef enum {
 151     IF_IDE, IF_SCSI, IF_FLOPPY, IF_PFLASH, IF_MTD, IF_SD, IF_VIRTIO, IF_XEN,
 152     IF_COUNT
 153 } BlockInterfaceType;
 154
 155 typedef enum {
 156     BLOCK_ERR_REPORT, BLOCK_ERR_IGNORE, BLOCK_ERR_STOP_ENOSPC,
 157     BLOCK_ERR_STOP_ANY
 158 } BlockInterfaceErrorAction;
 159
 160 #define BLOCK_SERIAL_STRLEN 20
 161
 162 typedef struct DriveOpt {
 163     const char *file;
 164     char opt[1024];
 165     TAILQ_ENTRY(DriveOpt) next;
 166 } DriveOpt;
 167
 168 typedef struct DriveInfo {
 169     BlockDriverState *bdrv;
 170     char *id;
 171     const char *devaddr;
 172     BlockInterfaceType type;
 173     int bus;
 174     int unit;
 175     DriveOpt *opt;
 176     BlockInterfaceErrorAction onerror;
 177     char serial[BLOCK_SERIAL_STRLEN + 1];
 178     TAILQ_ENTRY(DriveInfo) next;
 179 } DriveInfo;
 180
 181 #define MAX_IDE_DEVS    2
 182 #define MAX_SCSI_DEVS   7
 183 #define MAX_DRIVES 32
 184
 185 extern TAILQ_HEAD(drivelist, DriveInfo) drives;
 186 extern TAILQ_HEAD(driveoptlist, DriveOpt) driveopts;
 187
 188 extern DriveInfo *drive_get(BlockInterfaceType type, int bus, int unit);
 189 extern DriveInfo *drive_get_by_id(char *id);
 190 extern int drive_get_max_bus(BlockInterfaceType type);
 191 extern void drive_uninit(BlockDriverState *bdrv);
 192 extern void drive_remove(DriveOpt *opt);
 193 extern const char *drive_get_serial(BlockDriverState *bdrv);
 194 extern BlockInterfaceErrorAction drive_get_onerror(BlockDriverState *bdrv);
 195
 196 BlockDriverState *qdev_init_bdrv(DeviceState *dev, BlockInterfaceType type);
 197
 198 extern DriveOpt *drive_add(const char *file, const char *fmt, ...);
 199 extern DriveInfo *drive_init(DriveOpt *arg, int snapshot, void *machine,
 200                              int *fatal_error);
 201
 202 /* acpi */
 203 typedef void (*qemu_system_device_hot_add_t)(int pcibus, int slot, int state);
 204 void qemu_system_device_hot_add_register(qemu_system_device_hot_add_t callback);
 205 void qemu_system_device_hot_add(int pcibus, int slot, int state);
 206
 207 /* device-hotplug */
 208
 209 typedef int (dev_match_fn)(void *dev_private, void *arg);
 210
 211 DriveInfo *add_init_drive(const char *opts);
 212 void destroy_nic(dev_match_fn *match_fn, void *arg);
 213 void destroy_bdrvs(dev_match_fn *match_fn, void *arg);
 214
 215 /* pci-hotplug */
 216 void pci_device_hot_add(Monitor *mon, const char *pci_addr, const char *type,
 217                         const char *opts);
 218 void drive_hot_add(Monitor *mon, const char *pci_addr, const char *opts);
 219 void pci_device_hot_remove(Monitor *mon, const char *pci_addr);
 220 void pci_device_hot_remove_success(int pcibus, int slot);
 221
 222 /* serial ports */
 223
 224 #define MAX_SERIAL_PORTS 4
 225
 226 extern CharDriverState *serial_hds[MAX_SERIAL_PORTS];
 227
 228 /* parallel ports */
 229
 230 #define MAX_PARALLEL_PORTS 3
 231
 232 extern CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
 233
 234 /* virtio consoles */
 235
 236 #define MAX_VIRTIO_CONSOLES 1
 237
 238 extern CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
 239
 240 #define TFR(expr) do { if ((expr) != -1) break; } while (errno == EINTR)
 241
 242 #ifdef NEED_CPU_H
 243 /* loader.c */
 244 int get_image_size(const char *filename);
 245 int load_image(const char *filename, uint8_t *addr); /* deprecated */
 246 int load_image_targphys(const char *filename, target_phys_addr_t, int max_sz);
 247 int load_elf(const char *filename, int64_t address_offset,
 248              uint64_t *pentry, uint64_t *lowaddr, uint64_t *highaddr);
 249 int load_aout(const char *filename, target_phys_addr_t addr, int max_sz);
 250 int load_uimage(const char *filename, target_ulong *ep, target_ulong *loadaddr,
 251                 int *is_linux);
 252
 253 int fread_targphys(target_phys_addr_t dst_addr, size_t nbytes, FILE *f);
 254 int fread_targphys_ok(target_phys_addr_t dst_addr, size_t nbytes, FILE *f);
 255 int read_targphys(int fd, target_phys_addr_t dst_addr, size_t nbytes);
 256 void pstrcpy_targphys(target_phys_addr_t dest, int buf_size,
 257                       const char *source);
 258 #endif
 259
 260 #ifdef HAS_AUDIO
 261 struct soundhw {
 262     const char *name;
 263     const char *descr;
 264     int enabled;
 265     int isa;
 266     union {
 267         int (*init_isa) (qemu_irq *pic);
 268         int (*init_pci) (PCIBus *bus);
 269     } init;
 270 };
 271
 272 extern struct soundhw soundhw[];
 273 #endif
 274
 275 void do_usb_add(Monitor *mon, const char *devname);
 276 void do_usb_del(Monitor *mon, const char *devname);
 277 void usb_info(Monitor *mon);
 278
 279 int get_param_value(char *buf, int buf_size,
 280                     const char *tag, const char *str);
 281 int get_next_param_value(char *buf, int buf_size,
 282                          const char *tag, const char **pstr);
 283 int check_params(char *buf, int buf_size,
 284                  const char * const *params, const char *str);
 285
 286 void register_devices(void);
 287
 288 #endif