57 lines
2.0 KiB
C
57 lines
2.0 KiB
C
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/*-
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* Copyright (c) 2016 Microsoft Corp.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice unmodified, this list of conditions, and the following
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* disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _VSS_H
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#define _VSS_H
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#include <sys/ioccom.h>
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#define FS_VSS_DEV_NAME "hv_fsvss_dev"
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#define APP_VSS_DEV_NAME "hv_appvss_dev"
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#define VSS_DEV(VSS) "/dev/"VSS
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#define VSS_SUCCESS 0x00000000
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#define VSS_FAIL 0x00000001
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enum hv_vss_op_t {
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HV_VSS_NONE = 0,
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HV_VSS_CHECK,
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HV_VSS_FREEZE,
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HV_VSS_THAW,
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HV_VSS_COUNT
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};
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struct hv_vss_opt_msg {
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uint32_t opt; /* operation */
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uint32_t status; /* 0 for success, 1 for error */
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uint64_t msgid; /* an ID used to identify the transaction */
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uint8_t reserved[48]; /* reserved values are all zeroes */
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};
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#define IOCHVVSSREAD _IOR('v', 2, struct hv_vss_opt_msg)
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#define IOCHVVSSWRITE _IOW('v', 3, struct hv_vss_opt_msg)
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#endif
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