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/*

 * QEMU Guest Agent VSS requester declarations

 *

 * Copyright Hitachi Data Systems Corp. 2013

 *

 * Authors:

 *  Tomoki Sekiyama   <tomoki.sekiyama@hds.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.

 */

#ifndef VSS_WIN32_REQUESTER_H

#define VSS_WIN32_REQUESTER_H

#include "qemu/compiler.h"

#ifdef __cplusplus

extern "C" {

#endif

/* Callback to set Error; used to avoid linking glib to the DLL */

typedef void (*ErrorSetFunc)(void **errp, int win32_err, int err_class,

                             const char *fmt, ...) GCC_FMT_ATTR(4, 5);

typedef struct ErrorSet {

    ErrorSetFunc error_set;

    void **errp;

    int err_class;

} ErrorSet;

STDAPI requester_init(void);

STDAPI requester_deinit(void);

typedef void (*QGAVSSRequesterFunc)(int *, ErrorSet *);

void requester_freeze(int *num_vols, ErrorSet *errset);

void requester_thaw(int *num_vols, ErrorSet *errset);

#ifdef __cplusplus

}

#endif

#endif