This patch adds an ethernet announce function that will minimize downtime when doing a live migration. This code originates from KVM. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5477 c046a42c-6fe2-441c-8c8c-71466251a162
195 lines
5.2 KiB
C
195 lines
5.2 KiB
C
#ifndef SYSEMU_H
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#define SYSEMU_H
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/* Misc. things related to the system emulator. */
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/* vl.c */
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extern const char *bios_name;
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extern const char *bios_dir;
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extern int vm_running;
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extern const char *qemu_name;
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extern uint8_t qemu_uuid[];
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#define UUID_FMT "%02hhx%02hhx%02hhx%02hhx-%02hhx%02hhx-%02hhx%02hhx-%02hhx%02hhx-%02hhx%02hhx%02hhx%02hhx%02hhx%02hhx"
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typedef struct vm_change_state_entry VMChangeStateEntry;
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typedef void VMChangeStateHandler(void *opaque, int running);
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typedef void VMStopHandler(void *opaque, int reason);
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VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
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void *opaque);
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void qemu_del_vm_change_state_handler(VMChangeStateEntry *e);
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int qemu_add_vm_stop_handler(VMStopHandler *cb, void *opaque);
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void qemu_del_vm_stop_handler(VMStopHandler *cb, void *opaque);
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void vm_start(void);
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void vm_stop(int reason);
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int64_t cpu_get_ticks(void);
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void cpu_enable_ticks(void);
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void cpu_disable_ticks(void);
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void qemu_system_reset_request(void);
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void qemu_system_shutdown_request(void);
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void qemu_system_powerdown_request(void);
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int qemu_shutdown_requested(void);
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int qemu_reset_requested(void);
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int qemu_powerdown_requested(void);
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#if !defined(TARGET_SPARC) && !defined(TARGET_I386)
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// Please implement a power failure function to signal the OS
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#define qemu_system_powerdown() do{}while(0)
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#else
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void qemu_system_powerdown(void);
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#endif
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void qemu_system_reset(void);
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void do_savevm(const char *name);
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void do_loadvm(const char *name);
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void do_delvm(const char *name);
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void do_info_snapshots(void);
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void qemu_announce_self(void);
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void main_loop_wait(int timeout);
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int qemu_savevm_state_begin(QEMUFile *f);
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int qemu_savevm_state_iterate(QEMUFile *f);
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int qemu_savevm_state_complete(QEMUFile *f);
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int qemu_savevm_state(QEMUFile *f);
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int qemu_loadvm_state(QEMUFile *f);
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/* Polling handling */
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/* return TRUE if no sleep should be done afterwards */
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typedef int PollingFunc(void *opaque);
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int qemu_add_polling_cb(PollingFunc *func, void *opaque);
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void qemu_del_polling_cb(PollingFunc *func, void *opaque);
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#ifdef _WIN32
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/* Wait objects handling */
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typedef void WaitObjectFunc(void *opaque);
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int qemu_add_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque);
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void qemu_del_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque);
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#endif
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/* TAP win32 */
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int tap_win32_init(VLANState *vlan, const char *ifname);
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/* SLIRP */
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void do_info_slirp(void);
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extern int bios_size;
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extern int cirrus_vga_enabled;
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extern int vmsvga_enabled;
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extern int graphic_width;
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extern int graphic_height;
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extern int graphic_depth;
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extern int nographic;
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extern const char *keyboard_layout;
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extern int win2k_install_hack;
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extern int alt_grab;
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extern int usb_enabled;
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extern int smp_cpus;
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extern int cursor_hide;
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extern int graphic_rotate;
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extern int no_quit;
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extern int semihosting_enabled;
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extern int old_param;
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extern const char *bootp_filename;
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#ifdef USE_KQEMU
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extern int kqemu_allowed;
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#endif
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#define MAX_OPTION_ROMS 16
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extern const char *option_rom[MAX_OPTION_ROMS];
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extern int nb_option_roms;
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#ifdef TARGET_SPARC
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#define MAX_PROM_ENVS 128
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extern const char *prom_envs[MAX_PROM_ENVS];
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extern unsigned int nb_prom_envs;
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#endif
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#if defined (TARGET_PPC)
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#define BIOS_SIZE (1024 * 1024)
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#elif defined (TARGET_SPARC64)
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#define BIOS_SIZE ((512 + 32) * 1024)
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#elif defined(TARGET_MIPS)
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#define BIOS_SIZE (4 * 1024 * 1024)
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#endif
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typedef enum {
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IF_IDE, IF_SCSI, IF_FLOPPY, IF_PFLASH, IF_MTD, IF_SD
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} BlockInterfaceType;
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typedef struct DriveInfo {
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BlockDriverState *bdrv;
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BlockInterfaceType type;
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int bus;
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int unit;
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} DriveInfo;
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#define MAX_IDE_DEVS 2
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#define MAX_SCSI_DEVS 7
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#define MAX_DRIVES 32
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extern int nb_drives;
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extern DriveInfo drives_table[MAX_DRIVES+1];
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extern int drive_get_index(BlockInterfaceType type, int bus, int unit);
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extern int drive_get_max_bus(BlockInterfaceType type);
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/* serial ports */
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#define MAX_SERIAL_PORTS 4
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extern CharDriverState *serial_hds[MAX_SERIAL_PORTS];
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/* parallel ports */
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#define MAX_PARALLEL_PORTS 3
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extern CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
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#ifdef NEED_CPU_H
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/* loader.c */
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int get_image_size(const char *filename);
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int load_image(const char *filename, uint8_t *addr); /* deprecated */
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int load_image_targphys(const char *filename, target_phys_addr_t, int max_sz);
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int load_elf(const char *filename, int64_t virt_to_phys_addend,
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uint64_t *pentry, uint64_t *lowaddr, uint64_t *highaddr);
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int load_aout(const char *filename, target_phys_addr_t addr, int max_sz);
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int load_uboot(const char *filename, target_ulong *ep, int *is_linux);
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int fread_targphys(target_phys_addr_t dst_addr, size_t nbytes, FILE *f);
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int fread_targphys_ok(target_phys_addr_t dst_addr, size_t nbytes, FILE *f);
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int read_targphys(int fd, target_phys_addr_t dst_addr, size_t nbytes);
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void pstrcpy_targphys(target_phys_addr_t dest, int buf_size,
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const char *source);
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#endif
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#ifdef HAS_AUDIO
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struct soundhw {
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const char *name;
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const char *descr;
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int enabled;
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int isa;
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union {
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int (*init_isa) (AudioState *s, qemu_irq *pic);
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int (*init_pci) (PCIBus *bus, AudioState *s);
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} init;
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};
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extern struct soundhw soundhw[];
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#endif
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void do_usb_add(const char *devname);
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void do_usb_del(const char *devname);
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void usb_info(void);
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#endif
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