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ipc_quorum.h
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ipc_quorum.h
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/*
* Copyright (c) 2008-2020 Red Hat, Inc.
*
* All rights reserved.
*
* Author: Christine Caulfield (ccaulfie@redhat.com)
*
* This software licensed under BSD license, the text of which follows:
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* - Neither the name of the MontaVista Software, Inc. nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef IPC_QUORUM_H_DEFINED
#define IPC_QUORUM_H_DEFINED
#include <corosync/corotypes.h>
#include <corosync/mar_gen.h>
/**
* @brief The req_quorum_types enum
*/
enum req_quorum_types {
MESSAGE_REQ_QUORUM_GETQUORATE = 0,
MESSAGE_REQ_QUORUM_TRACKSTART,
MESSAGE_REQ_QUORUM_TRACKSTOP,
MESSAGE_REQ_QUORUM_GETTYPE,
MESSAGE_REQ_QUORUM_MODEL_GETTYPE
};
/**
* @brief The res_quorum_types enum
*/
enum res_quorum_types {
MESSAGE_RES_QUORUM_GETQUORATE = 0,
MESSAGE_RES_QUORUM_TRACKSTART,
MESSAGE_RES_QUORUM_TRACKSTOP,
MESSAGE_RES_QUORUM_NOTIFICATION,
MESSAGE_RES_QUORUM_GETTYPE,
MESSAGE_RES_QUORUM_MODEL_GETTYPE,
MESSAGE_RES_QUORUM_V1_QUORUM_NOTIFICATION,
MESSAGE_RES_QUORUM_V1_NODELIST_NOTIFICATION
};
/*
* Must be in sync with definition in quorum.h
*/
enum lib_quorum_model {
LIB_QUORUM_MODEL_V0 = 0,
LIB_QUORUM_MODEL_V1 = 1,
};
typedef struct {
mar_uint32_t nodeid __attribute__((aligned(8)));
mar_uint64_t seq __attribute__((aligned(8)));
} mar_quorum_ring_id_t;
/**
* @brief The req_lib_quorum_trackstart struct
*/
struct req_lib_quorum_trackstart {
struct qb_ipc_request_header header __attribute__((aligned(8)));
unsigned int track_flags;
};
/**
* @brief The res_lib_quorum_getquorate struct
*/
struct res_lib_quorum_getquorate {
struct qb_ipc_response_header header __attribute__((aligned(8)));
mar_uint32_t quorate;
};
/**
* @brief The res_lib_quorum_notification struct
*/
struct res_lib_quorum_notification {
struct qb_ipc_response_header header __attribute__((aligned(8)));
mar_int32_t quorate __attribute__((aligned(8)));
mar_uint64_t ring_seq __attribute__((aligned(8)));
mar_uint32_t view_list_entries __attribute__((aligned(8)));
mar_uint32_t view_list[];
};
struct res_lib_quorum_v1_quorum_notification {
struct qb_ipc_response_header header __attribute__((aligned(8)));
mar_int32_t quorate __attribute__((aligned(8)));
mar_quorum_ring_id_t ring_id __attribute__((aligned(8)));
mar_uint32_t view_list_entries __attribute__((aligned(8)));
mar_uint32_t view_list[];
};
struct res_lib_quorum_v1_nodelist_notification {
struct qb_ipc_response_header header __attribute__((aligned(8)));
mar_quorum_ring_id_t ring_id __attribute__((aligned(8)));
mar_uint32_t member_list_entries __attribute__((aligned(8)));
mar_uint32_t joined_list_entries __attribute__((aligned(8)));
mar_uint32_t left_list_entries __attribute__((aligned(8)));
mar_uint32_t member_list[];
// mar_uint32_t joined_list[];
// mar_uint32_t left_list[];
};
/**
* @brief The res_lib_quorum_gettype struct
*/
struct res_lib_quorum_gettype {
struct qb_ipc_response_header header __attribute__((aligned(8)));
mar_uint32_t quorum_type;
};
struct req_lib_quorum_model_gettype {
struct qb_ipc_request_header header __attribute__((aligned(8)));
mar_uint32_t model __attribute__((aligned(8)));
};
struct res_lib_quorum_model_gettype {
struct qb_ipc_response_header header __attribute__((aligned(8)));
mar_uint32_t quorum_type __attribute__((aligned(8)));
};
#endif