corosync  3.1.0
ipc_votequorum.h
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1 /*
2  * Copyright (c) 2009-2012 Red Hat, Inc.
3  *
4  * All rights reserved.
5  *
6  * Authors: Christine Caulfield (ccaulfie@redhat.com)
7  * Fabio M. Di Nitto (fdinitto@redhat.com)
8  *
9  * This software licensed under BSD license, the text of which follows:
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions are met:
13  *
14  * - Redistributions of source code must retain the above copyright notice,
15  * this list of conditions and the following disclaimer.
16  * - Redistributions in binary form must reproduce the above copyright notice,
17  * this list of conditions and the following disclaimer in the documentation
18  * and/or other materials provided with the distribution.
19  * - Neither the name of the MontaVista Software, Inc. nor the names of its
20  * contributors may be used to endorse or promote products derived from this
21  * software without specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTIBUTORS "AS IS"
24  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
27  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
28  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
29  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
30  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
31  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
32  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
33  * THE POSSIBILITY OF SUCH DAMAGE.
34  */
35 #ifndef IPC_VOTEQUORUM_H_DEFINED
36 #define IPC_VOTEQUORUM_H_DEFINED
37 
38 #include <corosync/mar_gen.h>
39 #define VOTEQUORUM_QDEVICE_NODEID 0
40 #define VOTEQUORUM_QDEVICE_MAX_NAME_LEN 255
41 #define VOTEQUORUM_QDEVICE_DEFAULT_TIMEOUT 10000
42 
57 };
58 
69 };
70 
77 };
78 
83  struct qb_ipc_request_header header __attribute__((aligned(8)));
85 };
86 
91  struct qb_ipc_request_header header __attribute__((aligned(8)));
93 };
94 
99  struct qb_ipc_request_header header __attribute__((aligned(8)));
102 };
103 
108  struct qb_ipc_request_header header __attribute__((aligned(8)));
111  struct mar_votequorum_ring_id ring_id __attribute__((aligned(8)));
112 };
113 
118  struct qb_ipc_request_header header __attribute__((aligned(8)));
120  unsigned int allow;
121 };
122 
127  struct qb_ipc_request_header header __attribute__((aligned(8)));
128  unsigned int votes;
129  int nodeid;
130 };
131 
136  struct qb_ipc_request_header header __attribute__((aligned(8)));
137  unsigned int expected_votes;
138 };
139 
144  struct qb_ipc_request_header header __attribute__((aligned(8)));
145  uint64_t context;
146  unsigned int track_flags;
147 };
148 
153  struct qb_ipc_request_header header __attribute__((aligned(8)));
154 };
155 
160  struct qb_ipc_request_header header __attribute__((aligned(8)));
161  int nodeid;
162 };
163 
168  struct qb_ipc_response_header header __attribute__((aligned(8)));
169 };
170 
171 #define VOTEQUORUM_INFO_TWONODE 1
172 #define VOTEQUORUM_INFO_QUORATE 2
173 #define VOTEQUORUM_INFO_WAIT_FOR_ALL 4
174 #define VOTEQUORUM_INFO_LAST_MAN_STANDING 8
175 #define VOTEQUORUM_INFO_AUTO_TIE_BREAKER 16
176 #define VOTEQUORUM_INFO_ALLOW_DOWNSCALE 32
177 #define VOTEQUORUM_INFO_QDEVICE_REGISTERED 64
178 #define VOTEQUORUM_INFO_QDEVICE_ALIVE 128
179 #define VOTEQUORUM_INFO_QDEVICE_CAST_VOTE 256
180 #define VOTEQUORUM_INFO_QDEVICE_MASTER_WINS 512
181 
182 #define VOTEQUORUM_NODESTATE_MEMBER 1
183 #define VOTEQUORUM_NODESTATE_DEAD 2
184 #define VOTEQUORUM_NODESTATE_LEAVING 3
185 
190  struct qb_ipc_response_header header __attribute__((aligned(8)));
191  unsigned int nodeid;
192  unsigned int state;
193  unsigned int votes;
194  unsigned int expected_votes;
195  unsigned int highest_expected;
196  unsigned int total_votes;
197  unsigned int quorum;
198  unsigned int flags;
199  unsigned int qdevice_votes;
201 };
202 
209 };
210 
215  struct qb_ipc_response_header header __attribute__((aligned(8)));
217  mar_uint64_t context __attribute__((aligned(8)));
218  mar_uint32_t node_list_entries __attribute__((aligned(8)));
219  struct votequorum_node node_list[] __attribute__((aligned(8)));
220 };
221 
223  struct qb_ipc_response_header header __attribute__((aligned(8)));
224  mar_uint64_t context __attribute__((aligned(8)));
225  struct mar_votequorum_ring_id ring_id __attribute__((aligned(8)));
226  mar_uint32_t node_list_entries __attribute__((aligned(8)));
227  mar_uint32_t node_list[] __attribute__((aligned(8)));
228 };
229 
234  struct qb_ipc_response_header header __attribute__((aligned(8)));
235  mar_uint64_t context __attribute__((aligned(8)));
237 };
238 
244 static inline void marshall_from_mar_votequorum_ring_id (
245  votequorum_ring_id_t *dest,
246  const struct mar_votequorum_ring_id *src)
247 {
248  dest->nodeid = src->nodeid;
249  dest->seq = src->seq;
250 };
251 
257 static inline void marshall_to_mar_votequorum_ring_id (
258  struct mar_votequorum_ring_id *dest,
259  const votequorum_ring_id_t *src)
260 {
261  dest->nodeid = src->nodeid;
262  dest->seq = src->seq;
263 };
264 
265 #endif
req_lib_votequorum_setvotes::__attribute__
struct qb_ipc_request_header header __attribute__((aligned(8)))
MESSAGE_REQ_VOTEQUORUM_TRACKSTART
@ MESSAGE_REQ_VOTEQUORUM_TRACKSTART
Definition: ipc_votequorum.h:50
votequorum_node::nodeid
mar_uint32_t nodeid
Definition: ipc_votequorum.h:207
req_votequorum_types
req_votequorum_types
The req_votequorum_types enum.
Definition: ipc_votequorum.h:46
req_lib_votequorum_trackstart::track_flags
unsigned int track_flags
Definition: ipc_votequorum.h:146
res_lib_votequorum_nodelist_notification::__attribute__
struct qb_ipc_response_header header __attribute__((aligned(8)))
req_lib_votequorum_qdevice_update
The req_lib_votequorum_qdevice_update struct.
Definition: ipc_votequorum.h:98
res_lib_votequorum_getinfo::total_votes
unsigned int total_votes
Definition: ipc_votequorum.h:196
mar_votequorum_ring_id
The mar_votequorum_ring_id struct.
Definition: ipc_votequorum.h:74
mar_votequorum_ring_id::seq
mar_uint64_t seq
Definition: ipc_votequorum.h:76
votequorum_ring_id_t::nodeid
uint32_t nodeid
Definition: include/corosync/votequorum.h:100
res_lib_votequorum_quorum_notification::__attribute__
struct qb_ipc_response_header header __attribute__((aligned(8)))
req_lib_votequorum_getinfo
The req_lib_votequorum_getinfo struct.
Definition: ipc_votequorum.h:159
res_lib_votequorum_getinfo::expected_votes
unsigned int expected_votes
Definition: ipc_votequorum.h:194
res_lib_votequorum_expectedvotes_notification::__attribute__
mar_uint32_t expected_votes __attribute__((aligned(8)))
res_lib_votequorum_quorum_notification::__attribute__
mar_uint64_t context __attribute__((aligned(8)))
res_lib_votequorum_quorum_notification::__attribute__
mar_uint32_t quorate __attribute__((aligned(8)))
req_lib_votequorum_qdevice_register
The req_lib_votequorum_qdevice_register struct.
Definition: ipc_votequorum.h:82
votequorum_node
The votequorum_node struct.
Definition: ipc_votequorum.h:206
MESSAGE_RES_VOTEQUORUM_STATUS
@ MESSAGE_RES_VOTEQUORUM_STATUS
Definition: ipc_votequorum.h:63
req_lib_votequorum_setvotes::votes
unsigned int votes
Definition: ipc_votequorum.h:128
mar_uint32_t
uint32_t mar_uint32_t
Definition: mar_gen.h:53
MESSAGE_RES_VOTEQUORUM_EXPECTEDVOTES_NOTIFICATION
@ MESSAGE_RES_VOTEQUORUM_EXPECTEDVOTES_NOTIFICATION
Definition: ipc_votequorum.h:67
res_lib_votequorum_status
The res_lib_votequorum_status struct.
Definition: ipc_votequorum.h:167
MESSAGE_REQ_VOTEQUORUM_QDEVICE_MASTER_WINS
@ MESSAGE_REQ_VOTEQUORUM_QDEVICE_MASTER_WINS
Definition: ipc_votequorum.h:56
quorate
uint32_t quorate
Definition: sam.c:134
res_lib_votequorum_getinfo::qdevice_name
char qdevice_name[VOTEQUORUM_QDEVICE_MAX_NAME_LEN]
Definition: ipc_votequorum.h:200
req_lib_votequorum_qdevice_register::__attribute__
struct qb_ipc_request_header header __attribute__((aligned(8)))
MESSAGE_REQ_VOTEQUORUM_SETEXPECTED
@ MESSAGE_REQ_VOTEQUORUM_SETEXPECTED
Definition: ipc_votequorum.h:48
MESSAGE_REQ_VOTEQUORUM_SETVOTES
@ MESSAGE_REQ_VOTEQUORUM_SETVOTES
Definition: ipc_votequorum.h:49
req_lib_votequorum_qdevice_unregister::name
char name[VOTEQUORUM_QDEVICE_MAX_NAME_LEN]
Definition: ipc_votequorum.h:92
header
struct totem_message_header header
Definition: totemsrp.c:0
req_lib_votequorum_setexpected::expected_votes
unsigned int expected_votes
Definition: ipc_votequorum.h:137
MESSAGE_RES_VOTEQUORUM_TRACKSTART
@ MESSAGE_RES_VOTEQUORUM_TRACKSTART
Definition: ipc_votequorum.h:65
res_votequorum_types
res_votequorum_types
The res_votequorum_types enum.
Definition: ipc_votequorum.h:62
req_lib_votequorum_setexpected
The req_lib_votequorum_setexpected struct.
Definition: ipc_votequorum.h:135
mar_gen.h
res_lib_votequorum_quorum_notification
The res_lib_votequorum_quorum_notification struct.
Definition: ipc_votequorum.h:214
req_lib_votequorum_setvotes::nodeid
int nodeid
Definition: ipc_votequorum.h:129
req_lib_votequorum_qdevice_update::__attribute__
struct qb_ipc_request_header header __attribute__((aligned(8)))
mar_uint64_t
uint64_t mar_uint64_t
Definition: mar_gen.h:54
req_lib_votequorum_qdevice_master_wins::__attribute__
struct qb_ipc_request_header header __attribute__((aligned(8)))
res_lib_votequorum_nodelist_notification
Definition: ipc_votequorum.h:222
req_lib_votequorum_qdevice_register::name
char name[VOTEQUORUM_QDEVICE_MAX_NAME_LEN]
Definition: ipc_votequorum.h:84
MESSAGE_REQ_VOTEQUORUM_GETINFO
@ MESSAGE_REQ_VOTEQUORUM_GETINFO
Definition: ipc_votequorum.h:47
res_lib_votequorum_getinfo::flags
unsigned int flags
Definition: ipc_votequorum.h:198
mar_votequorum_ring_id::nodeid
mar_uint32_t nodeid
Definition: ipc_votequorum.h:75
req_lib_votequorum_getinfo::__attribute__
struct qb_ipc_request_header header __attribute__((aligned(8)))
votequorum_ring_id_t::seq
uint64_t seq
Definition: include/corosync/votequorum.h:101
res_lib_votequorum_getinfo::__attribute__
struct qb_ipc_response_header header __attribute__((aligned(8)))
MESSAGE_RES_VOTEQUORUM_GETINFO
@ MESSAGE_RES_VOTEQUORUM_GETINFO
Definition: ipc_votequorum.h:64
MESSAGE_RES_VOTEQUORUM_QUORUM_NOTIFICATION
@ MESSAGE_RES_VOTEQUORUM_QUORUM_NOTIFICATION
Definition: ipc_votequorum.h:66
req_lib_votequorum_qdevice_unregister
The req_lib_votequorum_qdevice_unregister struct.
Definition: ipc_votequorum.h:90
res_lib_votequorum_getinfo::votes
unsigned int votes
Definition: ipc_votequorum.h:193
res_lib_votequorum_getinfo::quorum
unsigned int quorum
Definition: ipc_votequorum.h:197
req_lib_votequorum_qdevice_poll
The req_lib_votequorum_qdevice_poll struct.
Definition: ipc_votequorum.h:107
req_lib_votequorum_trackstart::context
uint64_t context
Definition: ipc_votequorum.h:145
req_lib_votequorum_qdevice_poll::name
char name[VOTEQUORUM_QDEVICE_MAX_NAME_LEN]
Definition: ipc_votequorum.h:109
req_lib_votequorum_trackstart
The req_lib_votequorum_trackstart struct.
Definition: ipc_votequorum.h:143
expected_votes
uint32_t expected_votes
Definition: exec/votequorum.c:3
res_lib_votequorum_getinfo
The res_lib_votequorum_getinfo struct.
Definition: ipc_votequorum.h:189
res_lib_votequorum_getinfo::qdevice_votes
unsigned int qdevice_votes
Definition: ipc_votequorum.h:199
VOTEQUORUM_QDEVICE_MAX_NAME_LEN
#define VOTEQUORUM_QDEVICE_MAX_NAME_LEN
Definition: ipc_votequorum.h:40
res_lib_votequorum_nodelist_notification::__attribute__
mar_uint32_t node_list_entries __attribute__((aligned(8)))
req_lib_votequorum_general::__attribute__
struct qb_ipc_request_header header __attribute__((aligned(8)))
res_lib_votequorum_getinfo::state
unsigned int state
Definition: ipc_votequorum.h:192
MESSAGE_REQ_VOTEQUORUM_QDEVICE_REGISTER
@ MESSAGE_REQ_VOTEQUORUM_QDEVICE_REGISTER
Definition: ipc_votequorum.h:52
res_lib_votequorum_status::__attribute__
struct qb_ipc_response_header header __attribute__((aligned(8)))
req_lib_votequorum_qdevice_poll::__attribute__
struct qb_ipc_request_header header __attribute__((aligned(8)))
req_lib_votequorum_qdevice_update::newname
char newname[VOTEQUORUM_QDEVICE_MAX_NAME_LEN]
Definition: ipc_votequorum.h:101
req_lib_votequorum_qdevice_unregister::__attribute__
struct qb_ipc_request_header header __attribute__((aligned(8)))
req_lib_votequorum_setexpected::__attribute__
struct qb_ipc_request_header header __attribute__((aligned(8)))
res_lib_votequorum_nodelist_notification::__attribute__
struct mar_votequorum_ring_id ring_id __attribute__((aligned(8)))
ring_id
struct memb_ring_id ring_id
Definition: totemsrp.c:4
MESSAGE_RES_VOTEQUORUM_NODELIST_NOTIFICATION
@ MESSAGE_RES_VOTEQUORUM_NODELIST_NOTIFICATION
Definition: ipc_votequorum.h:68
res_lib_votequorum_getinfo::nodeid
unsigned int nodeid
Definition: ipc_votequorum.h:191
req_lib_votequorum_general
The req_lib_votequorum_general struct.
Definition: ipc_votequorum.h:152
MESSAGE_REQ_VOTEQUORUM_TRACKSTOP
@ MESSAGE_REQ_VOTEQUORUM_TRACKSTOP
Definition: ipc_votequorum.h:51
res_lib_votequorum_expectedvotes_notification::__attribute__
struct qb_ipc_response_header header __attribute__((aligned(8)))
votequorum_node::state
mar_uint32_t state
Definition: ipc_votequorum.h:208
res_lib_votequorum_expectedvotes_notification
The res_lib_votequorum_expectedvotes_notification struct.
Definition: ipc_votequorum.h:233
MESSAGE_REQ_VOTEQUORUM_QDEVICE_POLL
@ MESSAGE_REQ_VOTEQUORUM_QDEVICE_POLL
Definition: ipc_votequorum.h:55
req_lib_votequorum_qdevice_master_wins::allow
unsigned int allow
Definition: ipc_votequorum.h:120
req_lib_votequorum_trackstart::__attribute__
struct qb_ipc_request_header header __attribute__((aligned(8)))
req_lib_votequorum_qdevice_master_wins
The req_lib_votequorum_qdevice_master_wins struct.
Definition: ipc_votequorum.h:117
req_lib_votequorum_qdevice_poll::cast_vote
int cast_vote
Definition: ipc_votequorum.h:110
res_lib_votequorum_quorum_notification::__attribute__
mar_uint32_t node_list_entries __attribute__((aligned(8)))
req_lib_votequorum_getinfo::nodeid
int nodeid
Definition: ipc_votequorum.h:161
req_lib_votequorum_qdevice_master_wins::name
char name[VOTEQUORUM_QDEVICE_MAX_NAME_LEN]
Definition: ipc_votequorum.h:119
votequorum_ring_id_t
The votequorum_ring_id_t struct.
Definition: include/corosync/votequorum.h:99
MESSAGE_REQ_VOTEQUORUM_QDEVICE_UPDATE
@ MESSAGE_REQ_VOTEQUORUM_QDEVICE_UPDATE
Definition: ipc_votequorum.h:54
res_lib_votequorum_getinfo::highest_expected
unsigned int highest_expected
Definition: ipc_votequorum.h:195
res_lib_votequorum_expectedvotes_notification::__attribute__
mar_uint64_t context __attribute__((aligned(8)))
MESSAGE_REQ_VOTEQUORUM_QDEVICE_UNREGISTER
@ MESSAGE_REQ_VOTEQUORUM_QDEVICE_UNREGISTER
Definition: ipc_votequorum.h:53
req_lib_votequorum_qdevice_update::oldname
char oldname[VOTEQUORUM_QDEVICE_MAX_NAME_LEN]
Definition: ipc_votequorum.h:100
req_lib_votequorum_setvotes
The req_lib_votequorum_setvotes struct.
Definition: ipc_votequorum.h:126