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Merge remote branch 'spice/spice.v29.pull' into staging 

Conflicts:
	trace-events
master
Anthony Liguori 2011-02-01 15:22:48 -06:00
parent cfb41c82ab cbcc6336ce
commit 9363ee31ab
17 changed files with 391 additions and 80 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
MAINTAINERS
View File

@ -383,6 +383,14 @@ S: Odd Fixes
F: gdbstub*
F: gdb-xml/
SPICE
M: Gerd Hoffmann <kraxel@redhat.com>
S: Supported
F: ui/qemu-spice.h
F: ui/spice-*.c
F: audio/spiceaudio.c
F: hw/qxl*
Graphics
M: Anthony Liguori <aliguori@us.ibm.com>
S: Maintained

2
Makefile.objs
View File

@ -105,7 +105,7 @@ common-obj-$(CONFIG_BRLAPI) += baum.o
common-obj-$(CONFIG_POSIX) += migration-exec.o migration-unix.o migration-fd.o
common-obj-$(CONFIG_WIN32) += version.o
common-obj-$(CONFIG_SPICE) += ui/spice-core.o ui/spice-input.o ui/spice-display.o
common-obj-$(CONFIG_SPICE) += ui/spice-core.o ui/spice-input.o ui/spice-display.o spice-qemu-char.o
audio-obj-y = audio.o noaudio.o wavaudio.o mixeng.o
audio-obj-$(CONFIG_SDL) += sdlaudio.o

6
configure vendored
View File

@ -2208,9 +2208,9 @@ if test "$spice" != "no" ; then
#include <spice.h>
int main(void) { spice_server_new(); return 0; }
EOF
spice_cflags=$($pkgconfig --cflags spice-protocol spice-server 2>/dev/null)
spice_libs=$($pkgconfig --libs spice-protocol spice-server 2>/dev/null)
if $pkgconfig --atleast-version=0.5.3 spice-server >/dev/null 2>&1 && \
spice_cflags=$($pkg_config --cflags spice-protocol spice-server 2>/dev/null)
spice_libs=$($pkg_config --libs spice-protocol spice-server 2>/dev/null)
if $pkg_config --atleast-version=0.5.3 spice-server >/dev/null 2>&1 && \
compile_prog "$spice_cflags" "$spice_libs" ; then
spice="yes"
libs_softmmu="$libs_softmmu $spice_libs"

17
hmp-commands.hx
View File

@ -833,6 +833,23 @@ ETEXI
.mhandler.cmd_new = do_snapshot_blkdev,
},
STEXI
@item client_migrate_info @var{protocol} @var{hostname} @var{port} @var{tls-port} @var{cert-subject}
@findex client_migrate_info
Set the spice/vnc connection info for the migration target. The spice/vnc
server will ask the spice/vnc client to automatically reconnect using the
new parameters (if specified) once the vm migration finished successfully.
ETEXI
{
.name = "client_migrate_info",
.args_type = "protocol:s,hostname:s,port:i?,tls-port:i?,cert-subject:s?",
.params = "protocol hostname port tls-port cert-subject",
.help = "send migration info to spice/vnc client",
.user_print = monitor_user_noop,
.mhandler.cmd_new = client_migrate_info,
},
STEXI
@item snapshot_blkdev
@findex snapshot_blkdev

81
hw/qxl.c
View File

@ -866,7 +866,9 @@ static void qxl_destroy_primary(PCIQXLDevice *d)
dprint(d, 1, "%s\n", __FUNCTION__);
d->mode = QXL_MODE_UNDEFINED;
qemu_mutex_unlock_iothread();
d->ssd.worker->destroy_primary_surface(d->ssd.worker, 0);
qemu_mutex_lock_iothread();
}
static void qxl_set_mode(PCIQXLDevice *d, int modenr, int loadvm)
@ -1418,43 +1420,10 @@ static int qxl_post_load(void *opaque, int version)
}
dprint(d, 1, "%s: done\n", __FUNCTION__);
/* spice 0.4 compatibility -- accept but ignore */
qemu_free(d->worker_data);
d->worker_data = NULL;
d->worker_data_size = 0;
return 0;
}
#define QXL_SAVE_VERSION 20
static bool qxl_test_worker_data(void *opaque, int version_id)
{
PCIQXLDevice* d = opaque;
if (d->revision != 1) {
return false;
}
if (!d->worker_data_size) {
return false;
}
if (!d->worker_data) {
d->worker_data = qemu_malloc(d->worker_data_size);
}
return true;
}
static bool qxl_test_spice04(void *opaque, int version_id)
{
PCIQXLDevice* d = opaque;
return d->revision == 1;
}
static bool qxl_test_spice06(void *opaque)
{
PCIQXLDevice* d = opaque;
return d->revision > 1;
}
#define QXL_SAVE_VERSION 21
static VMStateDescription qxl_memslot = {
.name = "qxl-memslot",
@ -1486,24 +1455,6 @@ static VMStateDescription qxl_surface = {
}
};
static VMStateDescription qxl_vmstate_spice06 = {
.name = "qxl/spice06",
.version_id = QXL_SAVE_VERSION,
.minimum_version_id = QXL_SAVE_VERSION,
.fields = (VMStateField []) {
VMSTATE_INT32_EQUAL(num_memslots, PCIQXLDevice),
VMSTATE_STRUCT_ARRAY(guest_slots, PCIQXLDevice, NUM_MEMSLOTS, 0,
qxl_memslot, struct guest_slots),
VMSTATE_STRUCT(guest_primary.surface, PCIQXLDevice, 0,
qxl_surface, QXLSurfaceCreate),
VMSTATE_INT32_EQUAL(num_surfaces, PCIQXLDevice),
VMSTATE_ARRAY(guest_surfaces.cmds, PCIQXLDevice, NUM_SURFACES, 0,
vmstate_info_uint64, uint64_t),
VMSTATE_UINT64(guest_cursor, PCIQXLDevice),
VMSTATE_END_OF_LIST()
},
};
static VMStateDescription qxl_vmstate = {
.name = "qxl",
.version_id = QXL_SAVE_VERSION,
@ -1519,25 +1470,17 @@ static VMStateDescription qxl_vmstate = {
VMSTATE_UINT32(last_release_offset, PCIQXLDevice),
VMSTATE_UINT32(mode, PCIQXLDevice),
VMSTATE_UINT32(ssd.unique, PCIQXLDevice),
/* spice 0.4 sends/expects them */
VMSTATE_VBUFFER_UINT32(vga.vram_ptr, PCIQXLDevice, 0, qxl_test_spice04, 0,
vga.vram_size),
VMSTATE_UINT32_TEST(worker_data_size, PCIQXLDevice, qxl_test_spice04),
VMSTATE_VBUFFER_UINT32(worker_data, PCIQXLDevice, 0, qxl_test_worker_data, 0,
worker_data_size),
VMSTATE_INT32_EQUAL(num_memslots, PCIQXLDevice),
VMSTATE_STRUCT_ARRAY(guest_slots, PCIQXLDevice, NUM_MEMSLOTS, 0,
qxl_memslot, struct guest_slots),
VMSTATE_STRUCT(guest_primary.surface, PCIQXLDevice, 0,
qxl_surface, QXLSurfaceCreate),
VMSTATE_INT32_EQUAL(num_surfaces, PCIQXLDevice),
VMSTATE_ARRAY(guest_surfaces.cmds, PCIQXLDevice, NUM_SURFACES, 0,
vmstate_info_uint64, uint64_t),
VMSTATE_UINT64(guest_cursor, PCIQXLDevice),
VMSTATE_END_OF_LIST()
},
.subsections = (VMStateSubsection[]) {
{
/* additional spice 0.6 state */
.vmsd = &qxl_vmstate_spice06,
.needed = qxl_test_spice06,
},{
/* end of list */
},
},
};
static PCIDeviceInfo qxl_info_primary = {

4
hw/qxl.h
View File

@ -80,10 +80,6 @@ typedef struct PCIQXLDevice {
/* io bar */
uint32_t io_base;
/* spice 0.4 loadvm compatibility */
void *worker_data;
uint32_t worker_data_size;
} PCIQXLDevice;
#define PANIC_ON(x) if ((x)) { \

28
migration.c
View File

@ -36,6 +36,9 @@ static int64_t max_throttle = (32 << 20);
static MigrationState *current_migration;
static NotifierList migration_state_notifiers =
NOTIFIER_LIST_INITIALIZER(migration_state_notifiers);
int qemu_start_incoming_migration(const char *uri)
{
const char *p;
@ -121,6 +124,7 @@ int do_migrate(Monitor *mon, const QDict *qdict, QObject **ret_data)
}
current_migration = s;
notifier_list_notify(&migration_state_notifiers);
return 0;
}
@ -272,6 +276,7 @@ void migrate_fd_error(FdMigrationState *s)
{
DPRINTF("setting error state\n");
s->state = MIG_STATE_ERROR;
notifier_list_notify(&migration_state_notifiers);
migrate_fd_cleanup(s);
}
@ -329,6 +334,7 @@ ssize_t migrate_fd_put_buffer(void *opaque, const void *data, size_t size)
monitor_resume(s->mon);
}
s->state = MIG_STATE_ERROR;
notifier_list_notify(&migration_state_notifiers);
}
return ret;
@ -389,6 +395,7 @@ void migrate_fd_put_ready(void *opaque)
state = MIG_STATE_ERROR;
}
s->state = state;
notifier_list_notify(&migration_state_notifiers);
}
}
@ -408,6 +415,7 @@ void migrate_fd_cancel(MigrationState *mig_state)
DPRINTF("cancelling migration\n");
s->state = MIG_STATE_CANCELLED;
notifier_list_notify(&migration_state_notifiers);
qemu_savevm_state_cancel(s->mon, s->file);
migrate_fd_cleanup(s);
@ -421,6 +429,7 @@ void migrate_fd_release(MigrationState *mig_state)
if (s->state == MIG_STATE_ACTIVE) {
s->state = MIG_STATE_CANCELLED;
notifier_list_notify(&migration_state_notifiers);
migrate_fd_cleanup(s);
}
qemu_free(s);
@ -452,3 +461,22 @@ int migrate_fd_close(void *opaque)
qemu_set_fd_handler2(s->fd, NULL, NULL, NULL, NULL);
return s->close(s);
}
void add_migration_state_change_notifier(Notifier *notify)
{
notifier_list_add(&migration_state_notifiers, notify);
}
void remove_migration_state_change_notifier(Notifier *notify)
{
notifier_list_remove(&migration_state_notifiers, notify);
}
int get_migration_state(void)
{
if (current_migration) {
return migrate_fd_get_status(current_migration);
} else {
return MIG_STATE_ERROR;
}
}

5
migration.h
View File

@ -16,6 +16,7 @@
#include "qdict.h"
#include "qemu-common.h"
#include "notify.h"
#define MIG_STATE_ERROR -1
#define MIG_STATE_COMPLETED 0
@ -134,4 +135,8 @@ static inline FdMigrationState *migrate_to_fms(MigrationState *mig_state)
return container_of(mig_state, FdMigrationState, mig_state);
}
void add_migration_state_change_notifier(Notifier *notify);
void remove_migration_state_change_notifier(Notifier *notify);
int get_migration_state(void);
#endif

31
monitor.c
View File

@ -1146,9 +1146,9 @@ static int expire_password(Monitor *mon, const QDict *qdict, QObject **ret_data)
time_t when;
int rc;
if (strcmp(whenstr, "now")) {
if (strcmp(whenstr, "now") == 0) {
when = 0;
} else if (strcmp(whenstr, "never")) {
} else if (strcmp(whenstr, "never") == 0) {
when = TIME_MAX;
} else if (whenstr[0] == '+') {
when = time(NULL) + strtoull(whenstr+1, NULL, 10);
@ -1183,6 +1183,33 @@ static int expire_password(Monitor *mon, const QDict *qdict, QObject **ret_data)
return -1;
}
static int client_migrate_info(Monitor *mon, const QDict *qdict, QObject **ret_data)
{
const char *protocol = qdict_get_str(qdict, "protocol");
const char *hostname = qdict_get_str(qdict, "hostname");
const char *subject = qdict_get_try_str(qdict, "cert-subject");
int port = qdict_get_try_int(qdict, "port", -1);
int tls_port = qdict_get_try_int(qdict, "tls-port", -1);
int ret;
if (strcmp(protocol, "spice") == 0) {
if (!using_spice) {
qerror_report(QERR_DEVICE_NOT_ACTIVE, "spice");
return -1;
}
ret = qemu_spice_migrate_info(hostname, port, tls_port, subject);
if (ret != 0) {
qerror_report(QERR_UNDEFINED_ERROR);
return -1;
}
return 0;
}
qerror_report(QERR_INVALID_PARAMETER, "protocol");
return -1;
}
static int do_screen_dump(Monitor *mon, const QDict *qdict, QObject **ret_data)
{
vga_hw_screen_dump(qdict_get_str(qdict, "filename"));

4
qemu-char.c
View File

@ -97,6 +97,7 @@
#endif
#include "qemu_socket.h"
#include "ui/qemu-spice.h"
#define READ_BUF_LEN 4096
@ -2495,6 +2496,9 @@ static const struct {
|| defined(__FreeBSD_kernel__)
{ .name = "parport", .open = qemu_chr_open_pp },
#endif
#ifdef CONFIG_SPICE
{ .name = "spicevmc", .open = qemu_chr_open_spice },
#endif
};
CharDriverState *qemu_chr_open_opts(QemuOpts *opts,

6
qemu-config.c
View File

@ -146,6 +146,12 @@ static QemuOptsList qemu_chardev_opts = {
},{
.name = "signal",
.type = QEMU_OPT_BOOL,
},{
.name = "name",
.type = QEMU_OPT_STRING,
},{
.name = "debug",
.type = QEMU_OPT_NUMBER,
},
{ /* end of list */ }
},

16
qemu-options.hx
View File

@ -1367,6 +1367,9 @@ DEF("chardev", HAS_ARG, QEMU_OPTION_chardev,
#endif
#if defined(__linux__) || defined(__FreeBSD__) || defined(__DragonFly__)
"-chardev parport,id=id,path=path[,mux=on|off]\n"
#endif
#if defined(CONFIG_SPICE)
"-chardev spicevmc,id=id,name=name[,debug=debug]\n"
#endif
, QEMU_ARCH_ALL
)
@ -1392,7 +1395,8 @@ Backend is one of:
@option{stdio},
@option{braille},
@option{tty},
@option{parport}.
@option{parport},
@option{spicevmc}.
The specific backend will determine the applicable options.
All devices must have an id, which can be any string up to 127 characters long.
@ -1568,6 +1572,16 @@ Connect to a local parallel port.
@option{path} specifies the path to the parallel port device. @option{path} is
required.
#if defined(CONFIG_SPICE)
@item -chardev spicevmc ,id=@var{id} ,debug=@var{debug}, name=@var{name}
@option{debug} debug level for spicevmc
@option{name} name of spice channel to connect to
Connect to a spice virtual machine channel, such as vdiport.
#endif
@end table
ETEXI

35
qmp-commands.hx
View File

@ -502,6 +502,41 @@ EQMP
.mhandler.cmd_new = do_migrate_set_speed,
},
SQMP
client_migrate_info
------------------
Set the spice/vnc connection info for the migration target. The spice/vnc
server will ask the spice/vnc client to automatically reconnect using the
new parameters (if specified) once the vm migration finished successfully.
Arguments:
- "protocol": protocol: "spice" or "vnc" (json-string)
- "hostname": migration target hostname (json-string)
- "port": spice/vnc tcp port for plaintext channels (json-int, optional)
- "tls-port": spice tcp port for tls-secured channels (json-int, optional)
- "cert-subject": server certificate subject (json-string, optional)
Example:
-> { "execute": "client_migrate_info",
"arguments": { "protocol": "spice",
"hostname": "virt42.lab.kraxel.org",
"port": 1234 } }
<- { "return": {} }
EQMP
{
.name = "client_migrate_info",
.args_type = "protocol:s,hostname:s,port:i?,tls-port:i?,cert-subject:s?",
.params = "protocol hostname port tls-port cert-subject",
.help = "send migration info to spice/vnc client",
.user_print = monitor_user_noop,
.mhandler.cmd_new = client_migrate_info,
},
SQMP
migrate_set_speed
-----------------

190
spice-qemu-char.c Normal file
View File

@ -0,0 +1,190 @@
#include "config-host.h"
#include "trace.h"
#include "ui/qemu-spice.h"
#include <spice.h>
#include <spice-experimental.h>
#include "osdep.h"
#define dprintf(_scd, _level, _fmt, ...) \
do { \
static unsigned __dprintf_counter = 0; \
if (_scd->debug >= _level) { \
fprintf(stderr, "scd: %3d: " _fmt, ++__dprintf_counter, ## __VA_ARGS__);\
} \
} while (0)
#define VMC_MAX_HOST_WRITE 2048
typedef struct SpiceCharDriver {
CharDriverState* chr;
SpiceCharDeviceInstance sin;
char *subtype;
bool active;
uint8_t *buffer;
uint8_t *datapos;
ssize_t bufsize, datalen;
uint32_t debug;
} SpiceCharDriver;
static int vmc_write(SpiceCharDeviceInstance *sin, const uint8_t *buf, int len)
{
SpiceCharDriver *scd = container_of(sin, SpiceCharDriver, sin);
ssize_t out = 0;
ssize_t last_out;
uint8_t* p = (uint8_t*)buf;
while (len > 0) {
last_out = MIN(len, VMC_MAX_HOST_WRITE);
qemu_chr_read(scd->chr, p, last_out);
if (last_out > 0) {
out += last_out;
len -= last_out;
p += last_out;
} else {
break;
}
}
dprintf(scd, 3, "%s: %lu/%zd\n", __func__, out, len + out);
trace_spice_vmc_write(out, len + out);
return out;
}
static int vmc_read(SpiceCharDeviceInstance *sin, uint8_t *buf, int len)
{
SpiceCharDriver *scd = container_of(sin, SpiceCharDriver, sin);
int bytes = MIN(len, scd->datalen);
dprintf(scd, 2, "%s: %p %d/%d/%zd\n", __func__, scd->datapos, len, bytes, scd->datalen);
if (bytes > 0) {
memcpy(buf, scd->datapos, bytes);
scd->datapos += bytes;
scd->datalen -= bytes;
assert(scd->datalen >= 0);
if (scd->datalen == 0) {
scd->datapos = 0;
}
}
trace_spice_vmc_read(bytes, len);
return bytes;
}
static SpiceCharDeviceInterface vmc_interface = {
.base.type = SPICE_INTERFACE_CHAR_DEVICE,
.base.description = "spice virtual channel char device",
.base.major_version = SPICE_INTERFACE_CHAR_DEVICE_MAJOR,
.base.minor_version = SPICE_INTERFACE_CHAR_DEVICE_MINOR,
.write = vmc_write,
.read = vmc_read,
};
static void vmc_register_interface(SpiceCharDriver *scd)
{
if (scd->active) {
return;
}
dprintf(scd, 1, "%s\n", __func__);
scd->sin.base.sif = &vmc_interface.base;
qemu_spice_add_interface(&scd->sin.base);
scd->active = true;
trace_spice_vmc_register_interface(scd);
}
static void vmc_unregister_interface(SpiceCharDriver *scd)
{
if (!scd->active) {
return;
}
dprintf(scd, 1, "%s\n", __func__);
spice_server_remove_interface(&scd->sin.base);
scd->active = false;
trace_spice_vmc_unregister_interface(scd);
}
static int spice_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
{
SpiceCharDriver *s = chr->opaque;
dprintf(s, 2, "%s: %d\n", __func__, len);
vmc_register_interface(s);
assert(s->datalen == 0);
if (s->bufsize < len) {
s->bufsize = len;
s->buffer = qemu_realloc(s->buffer, s->bufsize);
}
memcpy(s->buffer, buf, len);
s->datapos = s->buffer;
s->datalen = len;
spice_server_char_device_wakeup(&s->sin);
return len;
}
static void spice_chr_close(struct CharDriverState *chr)
{
SpiceCharDriver *s = chr->opaque;
printf("%s\n", __func__);
vmc_unregister_interface(s);
qemu_free(s);
}
static void print_allowed_subtypes(void)
{
const char** psubtype;
int i;
fprintf(stderr, "allowed names: ");
for(i=0, psubtype = spice_server_char_device_recognized_subtypes();
*psubtype != NULL; ++psubtype, ++i) {
if (i == 0) {
fprintf(stderr, "%s", *psubtype);
} else {
fprintf(stderr, ", %s", *psubtype);
}
}
fprintf(stderr, "\n");
}
CharDriverState *qemu_chr_open_spice(QemuOpts *opts)
{
CharDriverState *chr;
SpiceCharDriver *s;
const char* name = qemu_opt_get(opts, "name");
uint32_t debug = qemu_opt_get_number(opts, "debug", 0);
const char** psubtype = spice_server_char_device_recognized_subtypes();
const char *subtype = NULL;
if (name == NULL) {
fprintf(stderr, "spice-qemu-char: missing name parameter\n");
print_allowed_subtypes();
return NULL;
}
for(;*psubtype != NULL; ++psubtype) {
if (strcmp(name, *psubtype) == 0) {
subtype = *psubtype;
break;
}
}
if (subtype == NULL) {
fprintf(stderr, "spice-qemu-char: unsupported name\n");
print_allowed_subtypes();
return NULL;
}
chr = qemu_mallocz(sizeof(CharDriverState));
s = qemu_mallocz(sizeof(SpiceCharDriver));
s->chr = chr;
s->debug = debug;
s->active = false;
s->sin.subtype = subtype;
chr->opaque = s;
chr->chr_write = spice_chr_write;
chr->chr_close = spice_chr_close;
qemu_chr_generic_open(chr);
return chr;
}

6
trace-events
View File

@ -248,3 +248,9 @@ disable grlib_apbuart_unknown_register(const char *op, uint64_t val) "%s unknown
# hw/leon3.c
disable leon3_set_irq(int intno) "Set CPU IRQ %d"
disable leon3_reset_irq(int intno) "Reset CPU IRQ %d"
# spice-qemu-char.c
disable spice_vmc_write(ssize_t out, int len) "spice wrottn %lu of requested %zd"
disable spice_vmc_read(int bytes, int len) "spice read %lu of requested %zd"
disable spice_vmc_register_interface(void *scd) "spice vmc registered interface %p"
disable spice_vmc_unregister_interface(void *scd) "spice vmc unregistered interface %p"

7
ui/qemu-spice.h
View File

@ -24,6 +24,7 @@
#include "qemu-option.h"
#include "qemu-config.h"
#include "qemu-char.h"
extern int using_spice;
@ -35,15 +36,21 @@ int qemu_spice_add_interface(SpiceBaseInstance *sin);
int qemu_spice_set_passwd(const char *passwd,
bool fail_if_connected, bool disconnect_if_connected);
int qemu_spice_set_pw_expire(time_t expires);
int qemu_spice_migrate_info(const char *hostname, int port, int tls_port,
const char *subject);
void do_info_spice_print(Monitor *mon, const QObject *data);
void do_info_spice(Monitor *mon, QObject **ret_data);
CharDriverState *qemu_chr_open_spice(QemuOpts *opts);
#else /* CONFIG_SPICE */
#define using_spice 0
#define qemu_spice_set_passwd(_p, _f1, _f2) (-1)
#define qemu_spice_set_pw_expire(_e) (-1)
static inline int qemu_spice_migrate_info(const char *h, int p, int t, const char *s)
{ return -1; }
#endif /* CONFIG_SPICE */

25
ui/spice-core.c
View File

@ -30,11 +30,15 @@
#include "qbool.h"
#include "qstring.h"
#include "qjson.h"
#include "notify.h"
#include "migration.h"
#include "monitor.h"
#include "hw/hw.h"
/* core bits */
static SpiceServer *spice_server;
static Notifier migration_state;
static const char *auth = "spice";
static char *auth_passwd;
static time_t auth_expires = TIME_MAX;
@ -416,6 +420,24 @@ void do_info_spice(Monitor *mon, QObject **ret_data)
*ret_data = QOBJECT(server);
}
static void migration_state_notifier(Notifier *notifier)
{
int state = get_migration_state();
if (state == MIG_STATE_COMPLETED) {
#if SPICE_SERVER_VERSION >= 0x000701 /* 0.7.1 */
spice_server_migrate_switch(spice_server);
#endif
}
}
int qemu_spice_migrate_info(const char *hostname, int port, int tls_port,
const char *subject)
{
return spice_server_migrate_info(spice_server, hostname,
port, tls_port, subject);
}
static int add_channel(const char *name, const char *value, void *opaque)
{
int security = 0;
@ -573,6 +595,9 @@ void qemu_spice_init(void)
spice_server_init(spice_server, &core_interface);
using_spice = 1;
migration_state.notify = migration_state_notifier;
add_migration_state_change_notifier(&migration_state);
qemu_spice_input_init();
qemu_spice_audio_init();