[qemu.git] / qga / commands-win32.c

/*
 * QEMU Guest Agent win32-specific command implementations
 *
 * Copyright IBM Corp. 2012
 *
 * Authors:
 *  Michael Roth      <mdroth@linux.vnet.ibm.com>
 *  Gal Hammer        <ghammer@redhat.com>
 *
 * This work is licensed under the terms of the GNU GPL, version 2 or later.
 * See the COPYING file in the top-level directory.
 */

#include <glib.h>
#include <wtypes.h>
#include <powrprof.h>
#include "qga/guest-agent-core.h"
#include "qga/vss-win32.h"
#include "qga-qmp-commands.h"
#include "qapi/qmp/qerror.h"

#ifndef SHTDN_REASON_FLAG_PLANNED
#define SHTDN_REASON_FLAG_PLANNED 0x80000000
#endif

/* multiple of 100 nanoseconds elapsed between windows baseline
 *    (1/1/1601) and Unix Epoch (1/1/1970), accounting for leap years */
#define W32_FT_OFFSET (10000000ULL * 60 * 60 * 24 * \
                       (365 * (1970 - 1601) +       \
                        (1970 - 1601) / 4 - 3))

static void acquire_privilege(const char *name, Error **err)
{
    HANDLE token;
    TOKEN_PRIVILEGES priv;
    Error *local_err = NULL;

    if (error_is_set(err)) {
        return;
    }

    if (OpenProcessToken(GetCurrentProcess(),
        TOKEN_ADJUST_PRIVILEGES|TOKEN_QUERY, &token))
    {
        if (!LookupPrivilegeValue(NULL, name, &priv.Privileges[0].Luid)) {
            error_set(&local_err, QERR_QGA_COMMAND_FAILED,
                      "no luid for requested privilege");
            goto out;
        }

        priv.PrivilegeCount = 1;
        priv.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;

        if (!AdjustTokenPrivileges(token, FALSE, &priv, 0, NULL, 0)) {
            error_set(&local_err, QERR_QGA_COMMAND_FAILED,
                      "unable to acquire requested privilege");
            goto out;
        }

        CloseHandle(token);
    } else {
        error_set(&local_err, QERR_QGA_COMMAND_FAILED,
                  "failed to open privilege token");
    }

out:
    if (local_err) {
        error_propagate(err, local_err);
    }
}

static void execute_async(DWORD WINAPI (*func)(LPVOID), LPVOID opaque, Error **err)
{
    Error *local_err = NULL;

    if (error_is_set(err)) {
        return;
    }
    HANDLE thread = CreateThread(NULL, 0, func, opaque, 0, NULL);
    if (!thread) {
        error_set(&local_err, QERR_QGA_COMMAND_FAILED,
                  "failed to dispatch asynchronous command");
        error_propagate(err, local_err);
    }
}

void qmp_guest_shutdown(bool has_mode, const char *mode, Error **err)
{
    UINT shutdown_flag = EWX_FORCE;

    slog("guest-shutdown called, mode: %s", mode);

    if (!has_mode || strcmp(mode, "powerdown") == 0) {
        shutdown_flag |= EWX_POWEROFF;
    } else if (strcmp(mode, "halt") == 0) {
        shutdown_flag |= EWX_SHUTDOWN;
    } else if (strcmp(mode, "reboot") == 0) {
        shutdown_flag |= EWX_REBOOT;
    } else {
        error_set(err, QERR_INVALID_PARAMETER_VALUE, "mode",
                  "halt|powerdown|reboot");
        return;
    }

    /* Request a shutdown privilege, but try to shut down the system
       anyway. */
    acquire_privilege(SE_SHUTDOWN_NAME, err);
    if (error_is_set(err)) {
        return;
    }

    if (!ExitWindowsEx(shutdown_flag, SHTDN_REASON_FLAG_PLANNED)) {
        slog("guest-shutdown failed: %d", GetLastError());
        error_set(err, QERR_UNDEFINED_ERROR);
    }
}

int64_t qmp_guest_file_open(const char *path, bool has_mode, const char *mode, Error **err)
{
    error_set(err, QERR_UNSUPPORTED);
    return 0;
}

void qmp_guest_file_close(int64_t handle, Error **err)
{
    error_set(err, QERR_UNSUPPORTED);
}

GuestFileRead *qmp_guest_file_read(int64_t handle, bool has_count,
                                   int64_t count, Error **err)
{
    error_set(err, QERR_UNSUPPORTED);
    return 0;
}

GuestFileWrite *qmp_guest_file_write(int64_t handle, const char *buf_b64,
                                     bool has_count, int64_t count, Error **err)
{
    error_set(err, QERR_UNSUPPORTED);
    return 0;
}

GuestFileSeek *qmp_guest_file_seek(int64_t handle, int64_t offset,
                                   int64_t whence, Error **err)
{
    error_set(err, QERR_UNSUPPORTED);
    return 0;
}

void qmp_guest_file_flush(int64_t handle, Error **err)
{
    error_set(err, QERR_UNSUPPORTED);
}

/*
 * Return status of freeze/thaw
 */
GuestFsfreezeStatus qmp_guest_fsfreeze_status(Error **err)
{
    if (!vss_initialized()) {
        error_set(err, QERR_UNSUPPORTED);
        return 0;
    }

    if (ga_is_frozen(ga_state)) {
        return GUEST_FSFREEZE_STATUS_FROZEN;
    }

    return GUEST_FSFREEZE_STATUS_THAWED;
}

/*
 * Freeze local file systems using Volume Shadow-copy Service.
 * The frozen state is limited for up to 10 seconds by VSS.
 */
int64_t qmp_guest_fsfreeze_freeze(Error **err)
{
    int i;
    Error *local_err = NULL;

    if (!vss_initialized()) {
        error_set(err, QERR_UNSUPPORTED);
        return 0;
    }

    slog("guest-fsfreeze called");

    /* cannot risk guest agent blocking itself on a write in this state */
    ga_set_frozen(ga_state);

    qga_vss_fsfreeze(&i, err, true);
    if (error_is_set(err)) {
        goto error;
    }

    return i;

error:
    qmp_guest_fsfreeze_thaw(&local_err);
    if (error_is_set(&local_err)) {
        g_debug("cleanup thaw: %s", error_get_pretty(local_err));
        error_free(local_err);
    }
    return 0;
}

/*
 * Thaw local file systems using Volume Shadow-copy Service.
 */
int64_t qmp_guest_fsfreeze_thaw(Error **err)
{
    int i;

    if (!vss_initialized()) {
        error_set(err, QERR_UNSUPPORTED);
        return 0;
    }

    qga_vss_fsfreeze(&i, err, false);

    ga_unset_frozen(ga_state);
    return i;
}

static void guest_fsfreeze_cleanup(void)
{
    Error *err = NULL;

    if (!vss_initialized()) {
        return;
    }

    if (ga_is_frozen(ga_state) == GUEST_FSFREEZE_STATUS_FROZEN) {
        qmp_guest_fsfreeze_thaw(&err);
        if (err) {
            slog("failed to clean up frozen filesystems: %s",
                 error_get_pretty(err));
            error_free(err);
        }
    }

    vss_deinit(true);
}

/*
 * Walk list of mounted file systems in the guest, and discard unused
 * areas.
 */
void qmp_guest_fstrim(bool has_minimum, int64_t minimum, Error **err)
{
    error_set(err, QERR_UNSUPPORTED);
}

typedef enum {
    GUEST_SUSPEND_MODE_DISK,
    GUEST_SUSPEND_MODE_RAM
} GuestSuspendMode;

static void check_suspend_mode(GuestSuspendMode mode, Error **err)
{
    SYSTEM_POWER_CAPABILITIES sys_pwr_caps;
    Error *local_err = NULL;

    if (error_is_set(err)) {
        return;
    }
    ZeroMemory(&sys_pwr_caps, sizeof(sys_pwr_caps));
    if (!GetPwrCapabilities(&sys_pwr_caps)) {
        error_set(&local_err, QERR_QGA_COMMAND_FAILED,
                  "failed to determine guest suspend capabilities");
        goto out;
    }

    switch (mode) {
    case GUEST_SUSPEND_MODE_DISK:
        if (!sys_pwr_caps.SystemS4) {
            error_set(&local_err, QERR_QGA_COMMAND_FAILED,
                      "suspend-to-disk not supported by OS");
        }
        break;
    case GUEST_SUSPEND_MODE_RAM:
        if (!sys_pwr_caps.SystemS3) {
            error_set(&local_err, QERR_QGA_COMMAND_FAILED,
                      "suspend-to-ram not supported by OS");
        }
        break;
    default:
        error_set(&local_err, QERR_INVALID_PARAMETER_VALUE, "mode",
                  "GuestSuspendMode");
    }

out:
    if (local_err) {
        error_propagate(err, local_err);
    }
}

static DWORD WINAPI do_suspend(LPVOID opaque)
{
    GuestSuspendMode *mode = opaque;
    DWORD ret = 0;

    if (!SetSuspendState(*mode == GUEST_SUSPEND_MODE_DISK, TRUE, TRUE)) {
        slog("failed to suspend guest, %s", GetLastError());
        ret = -1;
    }
    g_free(mode);
    return ret;
}

void qmp_guest_suspend_disk(Error **err)
{
    GuestSuspendMode *mode = g_malloc(sizeof(GuestSuspendMode));

    *mode = GUEST_SUSPEND_MODE_DISK;
    check_suspend_mode(*mode, err);
    acquire_privilege(SE_SHUTDOWN_NAME, err);
    execute_async(do_suspend, mode, err);

    if (error_is_set(err)) {
        g_free(mode);
    }
}

void qmp_guest_suspend_ram(Error **err)
{
    GuestSuspendMode *mode = g_malloc(sizeof(GuestSuspendMode));

    *mode = GUEST_SUSPEND_MODE_RAM;
    check_suspend_mode(*mode, err);
    acquire_privilege(SE_SHUTDOWN_NAME, err);
    execute_async(do_suspend, mode, err);

    if (error_is_set(err)) {
        g_free(mode);
    }
}

void qmp_guest_suspend_hybrid(Error **err)
{
    error_set(err, QERR_UNSUPPORTED);
}

GuestNetworkInterfaceList *qmp_guest_network_get_interfaces(Error **err)
{
    error_set(err, QERR_UNSUPPORTED);
    return NULL;
}

int64_t qmp_guest_get_time(Error **errp)
{
    SYSTEMTIME ts = {0};
    int64_t time_ns;
    FILETIME tf;

    GetSystemTime(&ts);
    if (ts.wYear < 1601 || ts.wYear > 30827) {
        error_setg(errp, "Failed to get time");
        return -1;
    }

    if (!SystemTimeToFileTime(&ts, &tf)) {
        error_setg(errp, "Failed to convert system time: %d", (int)GetLastError());
        return -1;
    }

    time_ns = ((((int64_t)tf.dwHighDateTime << 32) | tf.dwLowDateTime)
                - W32_FT_OFFSET) * 100;

    return time_ns;
}

void qmp_guest_set_time(int64_t time_ns, Error **errp)
{
    SYSTEMTIME ts;
    FILETIME tf;
    LONGLONG time;

    if (time_ns < 0 || time_ns / 100 > INT64_MAX - W32_FT_OFFSET) {
        error_setg(errp, "Time %" PRId64 "is invalid", time_ns);
        return;
    }

    time = time_ns / 100 + W32_FT_OFFSET;

    tf.dwLowDateTime = (DWORD) time;
    tf.dwHighDateTime = (DWORD) (time >> 32);

    if (!FileTimeToSystemTime(&tf, &ts)) {
        error_setg(errp, "Failed to convert system time %d", (int)GetLastError());
        return;
    }

    acquire_privilege(SE_SYSTEMTIME_NAME, errp);
    if (error_is_set(errp)) {
        return;
    }

    if (!SetSystemTime(&ts)) {
        error_setg(errp, "Failed to set time to guest: %d", (int)GetLastError());
        return;
    }
}

GuestLogicalProcessorList *qmp_guest_get_vcpus(Error **errp)
{
    error_set(errp, QERR_UNSUPPORTED);
    return NULL;
}

int64_t qmp_guest_set_vcpus(GuestLogicalProcessorList *vcpus, Error **errp)
{
    error_set(errp, QERR_UNSUPPORTED);
    return -1;
}

/* register init/cleanup routines for stateful command groups */
void ga_command_state_init(GAState *s, GACommandState *cs)
{
    if (vss_init(true)) {
        ga_command_state_add(cs, NULL, guest_fsfreeze_cleanup);
    }
}
Commit	Line	Data
d8ca685a MR	1	/*
	2	* QEMU Guest Agent win32-specific command implementations
	3	*
	4	* Copyright IBM Corp. 2012
	5	*
	6	* Authors:
	7	* Michael Roth <mdroth@linux.vnet.ibm.com>
aa59637e	8	* Gal Hammer <ghammer@redhat.com>
d8ca685a MR	9	*
	10	* This work is licensed under the terms of the GNU GPL, version 2 or later.
	11	* See the COPYING file in the top-level directory.
	12	*/
	13
	14	#include <glib.h>
aa59637e GH	15	#include <wtypes.h>
aa59637e GH	16	#include <powrprof.h>
d8ca685a	17	#include "qga/guest-agent-core.h"
64c00317	18	#include "qga/vss-win32.h"
d8ca685a	19	#include "qga-qmp-commands.h"
7b1b5d19	20	#include "qapi/qmp/qerror.h"
d8ca685a	21
546b60d0 MR	22	#ifndef SHTDN_REASON_FLAG_PLANNED
	23	#define SHTDN_REASON_FLAG_PLANNED 0x80000000
	24	#endif
	25
3f2a6087 LL	26	/* multiple of 100 nanoseconds elapsed between windows baseline
	27	* (1/1/1601) and Unix Epoch (1/1/1970), accounting for leap years */
	28	#define W32_FT_OFFSET (10000000ULL * 60 * 60 * 24 * \
	29	(365 * (1970 - 1601) + \
	30	(1970 - 1601) / 4 - 3))
	31
aa59637e	32	static void acquire_privilege(const char name, Error *err)
d8ca685a	33	{
546b60d0 MR	34	HANDLE token;
546b60d0 MR	35	TOKEN_PRIVILEGES priv;
aa59637e GH	36	Error *local_err = NULL;
	37
	38	if (error_is_set(err)) {
	39	return;
	40	}
	41
	42	if (OpenProcessToken(GetCurrentProcess(),
	43	TOKEN_ADJUST_PRIVILEGES\|TOKEN_QUERY, &token))
	44	{
	45	if (!LookupPrivilegeValue(NULL, name, &priv.Privileges[0].Luid)) {
	46	error_set(&local_err, QERR_QGA_COMMAND_FAILED,
	47	"no luid for requested privilege");
	48	goto out;
	49	}
	50
	51	priv.PrivilegeCount = 1;
	52	priv.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
	53
	54	if (!AdjustTokenPrivileges(token, FALSE, &priv, 0, NULL, 0)) {
	55	error_set(&local_err, QERR_QGA_COMMAND_FAILED,
	56	"unable to acquire requested privilege");
	57	goto out;
	58	}
	59
	60	CloseHandle(token);
	61	} else {
	62	error_set(&local_err, QERR_QGA_COMMAND_FAILED,
	63	"failed to open privilege token");
	64	}
	65
	66	out:
	67	if (local_err) {
	68	error_propagate(err, local_err);
	69	}
	70	}
	71
	72	static void execute_async(DWORD WINAPI (func)(LPVOID), LPVOID opaque, Error *err)
	73	{
	74	Error *local_err = NULL;
	75
	76	if (error_is_set(err)) {
	77	return;
	78	}
	79	HANDLE thread = CreateThread(NULL, 0, func, opaque, 0, NULL);
	80	if (!thread) {
	81	error_set(&local_err, QERR_QGA_COMMAND_FAILED,
	82	"failed to dispatch asynchronous command");
	83	error_propagate(err, local_err);
	84	}
	85	}
	86
	87	void qmp_guest_shutdown(bool has_mode, const char mode, Error *err)
	88	{
546b60d0 MR	89	UINT shutdown_flag = EWX_FORCE;
	90
	91	slog("guest-shutdown called, mode: %s", mode);
	92
	93	if (!has_mode \|\| strcmp(mode, "powerdown") == 0) {
	94	shutdown_flag \|= EWX_POWEROFF;
	95	} else if (strcmp(mode, "halt") == 0) {
	96	shutdown_flag \|= EWX_SHUTDOWN;
	97	} else if (strcmp(mode, "reboot") == 0) {
	98	shutdown_flag \|= EWX_REBOOT;
	99	} else {
	100	error_set(err, QERR_INVALID_PARAMETER_VALUE, "mode",
	101	"halt\|powerdown\|reboot");
	102	return;
	103	}
	104
	105	/* Request a shutdown privilege, but try to shut down the system
	106	anyway. */
aa59637e GH	107	acquire_privilege(SE_SHUTDOWN_NAME, err);
	108	if (error_is_set(err)) {
	109	return;
546b60d0 MR	110	}
	111
	112	if (!ExitWindowsEx(shutdown_flag, SHTDN_REASON_FLAG_PLANNED)) {
	113	slog("guest-shutdown failed: %d", GetLastError());
	114	error_set(err, QERR_UNDEFINED_ERROR);
	115	}
d8ca685a MR	116	}
	117
	118	int64_t qmp_guest_file_open(const char path, bool has_mode, const char mode, Error **err)
	119	{
	120	error_set(err, QERR_UNSUPPORTED);
	121	return 0;
	122	}
	123
	124	void qmp_guest_file_close(int64_t handle, Error **err)
	125	{
	126	error_set(err, QERR_UNSUPPORTED);
	127	}
	128
	129	GuestFileRead *qmp_guest_file_read(int64_t handle, bool has_count,
	130	int64_t count, Error **err)
	131	{
	132	error_set(err, QERR_UNSUPPORTED);
	133	return 0;
	134	}
	135
	136	GuestFileWrite qmp_guest_file_write(int64_t handle, const char buf_b64,
	137	bool has_count, int64_t count, Error **err)
	138	{
	139	error_set(err, QERR_UNSUPPORTED);
	140	return 0;
	141	}
	142
	143	GuestFileSeek *qmp_guest_file_seek(int64_t handle, int64_t offset,
	144	int64_t whence, Error **err)
	145	{
	146	error_set(err, QERR_UNSUPPORTED);
	147	return 0;
	148	}
	149
	150	void qmp_guest_file_flush(int64_t handle, Error **err)
	151	{
	152	error_set(err, QERR_UNSUPPORTED);
	153	}
	154
	155	/*
	156	* Return status of freeze/thaw
	157	*/
	158	GuestFsfreezeStatus qmp_guest_fsfreeze_status(Error **err)
	159	{
64c00317 TS	160	if (!vss_initialized()) {
	161	error_set(err, QERR_UNSUPPORTED);
	162	return 0;
	163	}
	164
	165	if (ga_is_frozen(ga_state)) {
	166	return GUEST_FSFREEZE_STATUS_FROZEN;
	167	}
	168
	169	return GUEST_FSFREEZE_STATUS_THAWED;
d8ca685a MR	170	}
	171
	172	/*
64c00317 TS	173	* Freeze local file systems using Volume Shadow-copy Service.
64c00317 TS	174	* The frozen state is limited for up to 10 seconds by VSS.
d8ca685a MR	175	*/
	176	int64_t qmp_guest_fsfreeze_freeze(Error **err)
	177	{
64c00317 TS	178	int i;
	179	Error *local_err = NULL;
	180
	181	if (!vss_initialized()) {
	182	error_set(err, QERR_UNSUPPORTED);
	183	return 0;
	184	}
	185
	186	slog("guest-fsfreeze called");
	187
	188	/* cannot risk guest agent blocking itself on a write in this state */
	189	ga_set_frozen(ga_state);
	190
	191	qga_vss_fsfreeze(&i, err, true);
	192	if (error_is_set(err)) {
	193	goto error;
	194	}
	195
	196	return i;
	197
	198	error:
	199	qmp_guest_fsfreeze_thaw(&local_err);
	200	if (error_is_set(&local_err)) {
	201	g_debug("cleanup thaw: %s", error_get_pretty(local_err));
	202	error_free(local_err);
	203	}
d8ca685a MR	204	return 0;
	205	}
	206
	207	/*
64c00317	208	* Thaw local file systems using Volume Shadow-copy Service.
d8ca685a MR	209	*/
	210	int64_t qmp_guest_fsfreeze_thaw(Error **err)
	211	{
64c00317 TS	212	int i;
	213
	214	if (!vss_initialized()) {
	215	error_set(err, QERR_UNSUPPORTED);
	216	return 0;
	217	}
	218
	219	qga_vss_fsfreeze(&i, err, false);
	220
	221	ga_unset_frozen(ga_state);
	222	return i;
	223	}
	224
	225	static void guest_fsfreeze_cleanup(void)
	226	{
	227	Error *err = NULL;
	228
	229	if (!vss_initialized()) {
	230	return;
	231	}
	232
	233	if (ga_is_frozen(ga_state) == GUEST_FSFREEZE_STATUS_FROZEN) {
	234	qmp_guest_fsfreeze_thaw(&err);
	235	if (err) {
	236	slog("failed to clean up frozen filesystems: %s",
	237	error_get_pretty(err));
	238	error_free(err);
	239	}
	240	}
	241
	242	vss_deinit(true);
d8ca685a MR	243	}
d8ca685a MR	244
eab5fd59 PB	245	/*
	246	* Walk list of mounted file systems in the guest, and discard unused
	247	* areas.
	248	*/
	249	void qmp_guest_fstrim(bool has_minimum, int64_t minimum, Error **err)
	250	{
	251	error_set(err, QERR_UNSUPPORTED);
eab5fd59 PB	252	}
eab5fd59 PB	253
aa59637e	254	typedef enum {
f54603b6 MR	255	GUEST_SUSPEND_MODE_DISK,
f54603b6 MR	256	GUEST_SUSPEND_MODE_RAM
aa59637e GH	257	} GuestSuspendMode;
	258
	259	static void check_suspend_mode(GuestSuspendMode mode, Error **err)
	260	{
	261	SYSTEM_POWER_CAPABILITIES sys_pwr_caps;
	262	Error *local_err = NULL;
	263
	264	if (error_is_set(err)) {
	265	return;
	266	}
	267	ZeroMemory(&sys_pwr_caps, sizeof(sys_pwr_caps));
	268	if (!GetPwrCapabilities(&sys_pwr_caps)) {
	269	error_set(&local_err, QERR_QGA_COMMAND_FAILED,
	270	"failed to determine guest suspend capabilities");
	271	goto out;
	272	}
	273
f54603b6 MR	274	switch (mode) {
	275	case GUEST_SUSPEND_MODE_DISK:
	276	if (!sys_pwr_caps.SystemS4) {
	277	error_set(&local_err, QERR_QGA_COMMAND_FAILED,
	278	"suspend-to-disk not supported by OS");
aa59637e	279	}
f54603b6 MR	280	break;
	281	case GUEST_SUSPEND_MODE_RAM:
	282	if (!sys_pwr_caps.SystemS3) {
	283	error_set(&local_err, QERR_QGA_COMMAND_FAILED,
	284	"suspend-to-ram not supported by OS");
	285	}
	286	break;
	287	default:
aa59637e GH	288	error_set(&local_err, QERR_INVALID_PARAMETER_VALUE, "mode",
aa59637e GH	289	"GuestSuspendMode");
aa59637e GH	290	}
aa59637e GH	291
aa59637e GH	292	out:
	293	if (local_err) {
	294	error_propagate(err, local_err);
	295	}
	296	}
	297
	298	static DWORD WINAPI do_suspend(LPVOID opaque)
	299	{
	300	GuestSuspendMode *mode = opaque;
	301	DWORD ret = 0;
	302
	303	if (!SetSuspendState(*mode == GUEST_SUSPEND_MODE_DISK, TRUE, TRUE)) {
	304	slog("failed to suspend guest, %s", GetLastError());
	305	ret = -1;
	306	}
	307	g_free(mode);
	308	return ret;
	309	}
	310
11d0f125 LC	311	void qmp_guest_suspend_disk(Error **err)
11d0f125 LC	312	{
aa59637e GH	313	GuestSuspendMode *mode = g_malloc(sizeof(GuestSuspendMode));
	314
	315	*mode = GUEST_SUSPEND_MODE_DISK;
	316	check_suspend_mode(*mode, err);
	317	acquire_privilege(SE_SHUTDOWN_NAME, err);
	318	execute_async(do_suspend, mode, err);
	319
	320	if (error_is_set(err)) {
	321	g_free(mode);
	322	}
11d0f125 LC	323	}
11d0f125 LC	324
fbf42210 LC	325	void qmp_guest_suspend_ram(Error **err)
fbf42210 LC	326	{
f54603b6 MR	327	GuestSuspendMode *mode = g_malloc(sizeof(GuestSuspendMode));
	328
	329	*mode = GUEST_SUSPEND_MODE_RAM;
	330	check_suspend_mode(*mode, err);
	331	acquire_privilege(SE_SHUTDOWN_NAME, err);
	332	execute_async(do_suspend, mode, err);
	333
	334	if (error_is_set(err)) {
	335	g_free(mode);
	336	}
fbf42210 LC	337	}
fbf42210 LC	338
95f4f404 LC	339	void qmp_guest_suspend_hybrid(Error **err)
	340	{
	341	error_set(err, QERR_UNSUPPORTED);
	342	}
	343
3424fc9f MP	344	GuestNetworkInterfaceList qmp_guest_network_get_interfaces(Error *err)
	345	{
	346	error_set(err, QERR_UNSUPPORTED);
	347	return NULL;
	348	}
	349
6912e6a9 LL	350	int64_t qmp_guest_get_time(Error **errp)
6912e6a9 LL	351	{
3f2a6087 LL	352	SYSTEMTIME ts = {0};
	353	int64_t time_ns;
	354	FILETIME tf;
	355
	356	GetSystemTime(&ts);
	357	if (ts.wYear < 1601 \|\| ts.wYear > 30827) {
	358	error_setg(errp, "Failed to get time");
	359	return -1;
	360	}
	361
	362	if (!SystemTimeToFileTime(&ts, &tf)) {
	363	error_setg(errp, "Failed to convert system time: %d", (int)GetLastError());
	364	return -1;
	365	}
	366
	367	time_ns = ((((int64_t)tf.dwHighDateTime << 32) \| tf.dwLowDateTime)
	368	- W32_FT_OFFSET) * 100;
	369
	370	return time_ns;
6912e6a9 LL	371	}
6912e6a9 LL	372
a1bca57f LL	373	void qmp_guest_set_time(int64_t time_ns, Error **errp)
a1bca57f LL	374	{
b8f954fe LL	375	SYSTEMTIME ts;
	376	FILETIME tf;
	377	LONGLONG time;
	378
	379	if (time_ns < 0 \|\| time_ns / 100 > INT64_MAX - W32_FT_OFFSET) {
	380	error_setg(errp, "Time %" PRId64 "is invalid", time_ns);
	381	return;
	382	}
	383
	384	time = time_ns / 100 + W32_FT_OFFSET;
	385
	386	tf.dwLowDateTime = (DWORD) time;
	387	tf.dwHighDateTime = (DWORD) (time >> 32);
	388
	389	if (!FileTimeToSystemTime(&tf, &ts)) {
	390	error_setg(errp, "Failed to convert system time %d", (int)GetLastError());
	391	return;
	392	}
	393
	394	acquire_privilege(SE_SYSTEMTIME_NAME, errp);
	395	if (error_is_set(errp)) {
	396	return;
	397	}
	398
	399	if (!SetSystemTime(&ts)) {
	400	error_setg(errp, "Failed to set time to guest: %d", (int)GetLastError());
	401	return;
	402	}
a1bca57f LL	403	}
a1bca57f LL	404
70e133a7 LE	405	GuestLogicalProcessorList qmp_guest_get_vcpus(Error *errp)
	406	{
	407	error_set(errp, QERR_UNSUPPORTED);
	408	return NULL;
	409	}
	410
	411	int64_t qmp_guest_set_vcpus(GuestLogicalProcessorList vcpus, Error *errp)
	412	{
	413	error_set(errp, QERR_UNSUPPORTED);
	414	return -1;
	415	}
	416
d8ca685a MR	417	/* register init/cleanup routines for stateful command groups */
	418	void ga_command_state_init(GAState s, GACommandState cs)
	419	{
64c00317 TS	420	if (vss_init(true)) {
	421	ga_command_state_add(cs, NULL, guest_fsfreeze_cleanup);
	422	}
d8ca685a	423	}