1 /* 2 * Copyright (c) 2015-2017 Red Hat, Inc. 3 * 4 * All rights reserved. 5 * 6 * Author: Jan Friesse (jfriesse@redhat.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 Red Hat, 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 35 #ifndef _QDEVICE_MODEL_H_ 36 #define _QDEVICE_MODEL_H_ 37 38 #include "qdevice-cmap.h" 39 #include "qdevice-instance.h" 40 #include "qdevice-model-type.h" 41 #include "qdevice-heuristics-exec-result.h" 42 43 #ifdef __cplusplus 44 extern "C" { 45 #endif 46 47 extern int qdevice_model_init(struct qdevice_instance *instance); 48 49 extern int qdevice_model_destroy(struct qdevice_instance *instance); 50 51 extern int qdevice_model_run(struct qdevice_instance *instance); 52 53 extern int qdevice_model_get_config_node_list_failed(struct qdevice_instance *instance); 54 55 extern int qdevice_model_config_node_list_changed(struct qdevice_instance *instance, 56 const struct node_list *nlist, int config_version_set, uint64_t config_version); 57 58 extern int qdevice_model_votequorum_quorum_notify(struct qdevice_instance *instance, 59 uint32_t quorate, uint32_t node_list_entries, votequorum_node_t node_list[]); 60 61 extern int qdevice_model_votequorum_node_list_notify(struct qdevice_instance *instance, 62 votequorum_ring_id_t votequorum_ring_id, uint32_t node_list_entries, uint32_t node_list[]); 63 64 extern int qdevice_model_votequorum_node_list_heuristics_notify(struct qdevice_instance *instance, 65 votequorum_ring_id_t votequorum_ring_id, uint32_t node_list_entries, uint32_t node_list[], 66 enum qdevice_heuristics_exec_result heuristics_exec_result); 67 68 extern int qdevice_model_votequorum_expected_votes_notify(struct qdevice_instance *instance, 69 uint32_t expected_votes); 70 71 extern int qdevice_model_ipc_cmd_status(struct qdevice_instance *instance, 72 struct dynar *outbuf, int verbose); 73 74 extern int qdevice_model_cmap_changed(struct qdevice_instance *instance, 75 const struct qdevice_cmap_change_events *events); 76 77 struct qdevice_model { 78 const char *name; 79 int (*init)(struct qdevice_instance *instance); 80 int (*destroy)(struct qdevice_instance *instance); 81 int (*run)(struct qdevice_instance *instance); 82 int (*get_config_node_list_failed)(struct qdevice_instance *instance); 83 int (*config_node_list_changed)(struct qdevice_instance *instance, 84 const struct node_list *nlist, int config_version_set, uint64_t config_version); 85 int (*votequorum_quorum_notify)(struct qdevice_instance *instance, 86 uint32_t quorate, uint32_t node_list_entries, votequorum_node_t node_list[]); 87 int (*votequorum_node_list_notify)(struct qdevice_instance *instance, 88 votequorum_ring_id_t votequorum_ring_id,uint32_t node_list_entries, 89 uint32_t node_list[]); 90 int (*votequorum_node_list_heuristics_notify)(struct qdevice_instance *instance, 91 votequorum_ring_id_t votequorum_ring_id,uint32_t node_list_entries, 92 uint32_t node_list[], enum qdevice_heuristics_exec_result heuristics_exec_result); 93 int (*votequorum_expected_votes_notify)(struct qdevice_instance *instance, 94 uint32_t expected_votes); 95 int (*ipc_cmd_status)(struct qdevice_instance *instance, struct dynar *outbuf, int verbose); 96 int (*cmap_changed)(struct qdevice_instance *instance, 97 const struct qdevice_cmap_change_events *events); 98 }; 99 100 extern int qdevice_model_register( 101 enum qdevice_model_type model_type, struct qdevice_model *model); 102 103 extern void qdevice_model_register_all(void); 104 105 extern int qdevice_model_str_to_type(const char *str, 106 enum qdevice_model_type *model_type); 107 108 extern const char *qdevice_model_type_to_str(enum qdevice_model_type model_type); 109 110 #ifdef __cplusplus 111 } 112 #endif 113 114 #endif /* _QDEVICE_MODEL_H_ */ 115