ndmpd_door.h revision 7917:5c4442486198 
1/*
2 * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
3 * Use is subject to license terms.
4 */
5
6/*
7 * BSD 3 Clause License
8 *
9 * Copyright (c) 2007, The Storage Networking Industry Association.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 	- Redistributions of source code must retain the above copyright
15 *	  notice, this list of conditions and the following disclaimer.
16 *
17 * 	- Redistributions in binary form must reproduce the above copyright
18 *	  notice, this list of conditions and the following disclaimer in
19 *	  the documentation and/or other materials provided with the
20 *	  distribution.
21 *
22 *	- Neither the name of The Storage Networking Industry Association (SNIA)
23 *	  nor the names of its contributors may be used to endorse or promote
24 *	  products derived from this software without specific prior written
25 *	  permission.
26 *
27 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
28 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
29 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
30 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
31 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37 * POSSIBILITY OF SUCH DAMAGE.
38 */
39#ifndef	_NDMPD_DOOR_H
40#define	_NDMPD_DOOR_H
41
42#include <rpc/types.h>
43#include <libndmp.h>
44#include <atomic.h>
45
46#define	NDMP_DOOR_SVC		"/var/run/ndmp_door_svc"
47#define	NDMP_DOOR_SIZE		(8 * 1024)
48#define	NDMP_DOOR_SRV_SUCCESS	0
49#define	NDMP_DOOR_SRV_ERROR	-1
50
51#define	NDMP_SESSION_DATA	1
52#define	NDMP_SESSION_NODATA	0
53
54/* DOOR REQUESTS */
55/* door status message */
56#define	NDMP_GET_DOOR_STATUS		0
57
58/* set subcommand messages */
59#define	NDMP_SET_DEBUG_LEVEL		1
60#define	NDMP_SET_DEBUG_PATH		2
61#define	NDMP_SET_DUMP_PATHNODE		3
62#define	NDMP_SET_TAR_PATHNODE		4
63#define	NDMP_SET_IGNOR_CTIME		5
64#define	NDMP_SET_MAXSEQ			6
65#define	NDMP_SET_VERSION		7
66#define	NDMP_SET_DAR			8
67#define	NDMP_SET_BACKUP_QTN		9
68#define	NDMP_SET_RESTORE_QTN		10
69#define	NDMP_SET_OVERWRITE_QTN		11
70
71/* get subcommand messages */
72#define	NDMP_GET_DEBUG_LEVEL		20
73#define	NDMP_GET_DEBUG_PATH		21
74#define	NDMP_GET_DUMP_PATHNODE		22
75#define	NDMP_GET_TAR_PATHNODE		23
76#define	NDMP_GET_IGNOR_CTIME		24
77#define	NDMP_GET_MAXSEQ			25
78#define	NDMP_GET_VERSION		26
79#define	NDMP_GET_DAR			27
80#define	NDMP_GET_BACKUP_QTN		28
81#define	NDMP_GET_RESTORE_QTN		29
82#define	NDMP_GET_OVERWRITE_QTN		30
83#define	NDMP_GET_ALL			31
84#define	NDMP_GET_DEV_CNT		32
85
86/* ndmpstat messages */
87#define	NDMP_GET_STAT			33
88
89/* device subcommand message */
90#define	NDMP_DEVICES_GET_INFO		40
91
92/* show subcommand messages */
93#define	NDMP_SHOW			60
94
95/* terminate subcommand messages */
96#define	NDMP_TERMINATE_SESSION_ID	80
97#define	NDMP_TERMINATE_SESSION_ALL	81
98
99/*
100 * NDMP statistics
101 */
102extern ndmp_stat_t	ndstat;
103#define	NS_INC(s)	(atomic_inc_32((volatile uint32_t *)&ndstat.ns_##s))
104#define	NS_DEC(s)	(atomic_dec_32((volatile uint32_t *)&ndstat.ns_##s))
105#define	NS_ADD(s, d)	(atomic_add_64((volatile uint64_t *)&ndstat.ns_##s, \
106	(uint64_t)d))
107#define	NS_UPD(s, t)	{ \
108	atomic_inc_32((volatile uint32_t *)&ndstat.ns_##s); \
109	atomic_dec_32((volatile uint32_t *)&ndstat.ns_##t); \
110	}
111#endif /* _NDMPD_DOOR_H */
112