usr/src/cmd/ndmpd/include/ndmpd_door.h

   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 */