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      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  */
    102 extern 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