exec/service.h

   1 /*
   2  * Copyright (c) 2002-2006 MontaVista Software, Inc.
   3  *
   4  * All rights reserved.
   5  *
   6  * Author: Steven Dake (sdake@mvista.com)
   7  *
   8  * This software licensed under BSD license, the text of which follows:
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions are met:
  12  *
  13  * - Redistributions of source code must retain the above copyright notice,
  14  *   this list of conditions and the following disclaimer.
  15  * - Redistributions in binary form must reproduce the above copyright notice,
  16  *   this list of conditions and the following disclaimer in the documentation
  17  *   and/or other materials provided with the distribution.
  18  * - Neither the name of the MontaVista Software, Inc. nor the names of its
  19  *   contributors may be used to endorse or promote products derived from this
  20  *   software without specific prior written permission.
  21  *
  22  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  23  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  25  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  26  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  27  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  28  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  29  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  30  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  31  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
  32  * THE POSSIBILITY OF SUCH DAMAGE.
  33  */
  34 #ifndef OPENAIS_SERVICE_H_DEFINED
  35 #define OPENAIS_SERVICE_H_DEFINED
  36
  37 #define SERVICE_ID_MAKE(a,b) ( ((a)<<16) | (b) )
  38 #define SERVICE_HANDLER_MAXIMUM_COUNT 64
  39
  40 enum openais_flow_control {
  41         OPENAIS_FLOW_CONTROL_REQUIRED = 1,
  42         OPENAIS_FLOW_CONTROL_NOT_REQUIRED = 2
  43 };
  44
  45 struct openais_lib_handler {
  46         void (*lib_handler_fn) (void *conn, void *msg);
  47         int response_size;
  48         int response_id;
  49         enum openais_flow_control flow_control;
  50 };
  51
  52 struct openais_exec_handler {
  53         void (*exec_handler_fn) (void *msg, unsigned int nodeid);
  54         void (*exec_endian_convert_fn) (void *msg);
  55 };
  56
  57 struct openais_service_handler {
  58         char *name;
  59         unsigned short id;
  60         unsigned int private_data_size;
  61         enum openais_flow_control flow_control;
  62         int (*lib_init_fn) (void *conn);
  63         int (*lib_exit_fn) (void *conn);
  64         struct openais_lib_handler *lib_service;
  65         int lib_service_count;
  66         struct openais_exec_handler *exec_service;
  67         int (*exec_init_fn) (struct objdb_iface_ver0 *);
  68         int (*config_init_fn) (struct objdb_iface_ver0 *);
  69         void (*exec_dump_fn) (void);
  70         int exec_service_count;
  71         void (*confchg_fn) (
  72                 enum totem_configuration_type configuration_type,
  73                 unsigned int *member_list, int member_list_entries,
  74                 unsigned int *left_list, int left_list_entries,
  75                 unsigned int *joined_list, int joined_list_entries,
  76                 struct memb_ring_id *ring_id);
  77         void (*sync_init) (void);
  78         int (*sync_process) (void);
  79         void (*sync_activate) (void);
  80         void (*sync_abort) (void);
  81 };
  82
  83 struct openais_service_handler_iface_ver0 {
  84         void (*test) (void);
  85         struct openais_service_handler *(*openais_get_service_handler_ver0) (void);
  86 };
  87
  88 extern int openais_service_objdb_add (
  89         struct objdb_iface_ver0 *objdb,
  90         char *name,
  91         int version);
  92
  93
  94 extern int openais_service_handler_register (
  95         struct openais_service_handler *handler);
  96
  97 extern int openais_service_default_objdb_set (struct objdb_iface_ver0 *objdb);
  98
  99 extern int openais_service_link_all (
 100         struct objdb_iface_ver0 *objdb);
 101
 102 extern int openais_service_init_all (
 103         int service_count,
 104         struct objdb_iface_ver0 *objdb);
 105
 106 extern struct openais_service_handler *ais_service[];
 107
 108 #endif /* SERVICE_H_DEFINED */