1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #ifndef _FMD_EVENT_H 28 #define _FMD_EVENT_H 29 30 #include <pthread.h> 31 #include <libnvpair.h> 32 33 #ifdef __cplusplus 34 extern "C" { 35 #endif 36 37 #include <fmd_time.h> 38 #include <fmd_api.h> 39 40 struct fmd_log; /* see <fmd_log.h> */ 41 42 typedef struct fmd_event_impl { 43 pthread_mutex_t ev_lock; /* lock protecting structure contents */ 44 uint32_t ev_refs; /* reference count */ 45 uint8_t ev_type; /* event type (see below) */ 46 uint8_t ev_state; /* event state (see below) */ 47 uint8_t ev_flags; /* event flags (see below) */ 48 uint8_t ev_ttl; /* event time-to-live */ 49 nvlist_t *ev_nvl; /* event name/value pair payload */ 50 void *ev_data; /* event type-specific data pointer */ 51 fmd_timeval_t ev_time; /* upper bound on event time-of-day */ 52 hrtime_t ev_hrt; /* upper bound on event hrtime */ 53 struct fmd_log *ev_log; /* event log (or NULL) */ 54 off64_t ev_off; /* event log offset (or zero) */ 55 size_t ev_len; /* event log record length (or zero) */ 56 } fmd_event_impl_t; 57 58 #define FMD_EVT_PROTOCOL 0 /* protocol event (error/fault/list) */ 59 #define FMD_EVT_TIMEOUT 1 /* timeout expiry notification */ 60 #define FMD_EVT_CLOSE 2 /* case close request */ 61 #define FMD_EVT_STATS 3 /* statistics snapshot request */ 62 #define FMD_EVT_GC 4 /* garbage collection request */ 63 #define FMD_EVT_CTL 5 /* fmd control event (see fmd_ctl.c) */ 64 #define FMD_EVT_PUBLISH 6 /* case publish request */ 65 #define FMD_EVT_TOPO 7 /* topology change notification */ 66 #define FMD_EVT_NTYPES 8 /* number of event types */ 67 68 #define FMD_EVS_DISCARDED 0 /* discarded by all subscribers */ 69 #define FMD_EVS_RECEIVED 1 /* received but not yet processed */ 70 #define FMD_EVS_ACCEPTED 2 /* accepted and assigned to a case */ 71 #define FMD_EVS_DIAGNOSED 3 /* diagnosed and assigned to a case */ 72 73 #define FMD_EVF_VOLATILE 0x1 /* event is not yet written to a log */ 74 #define FMD_EVF_REPLAY 0x2 /* event is set for replay on restart */ 75 #define FMD_EVF_LOCAL 0x4 /* event is from fmd or a local xprt */ 76 77 #define FMD_HRT_NOW 0 /* use current hrtime as event time */ 78 79 #define FMD_EVENT_TYPE(e) (((fmd_event_impl_t *)e)->ev_type) 80 #define FMD_EVENT_DATA(e) (((fmd_event_impl_t *)e)->ev_data) 81 #define FMD_EVENT_NVL(e) (((fmd_event_impl_t *)e)->ev_nvl) 82 #define FMD_EVENT_TTL(e) (((fmd_event_impl_t *)e)->ev_ttl) 83 84 #define FMD_EVN_TOD "__tod" /* private name-value pair for ev_tod */ 85 #define FMD_EVN_TTL "__ttl" /* private name-value pair for ev_ttl */ 86 #define FMD_EVN_UUID "__uuid" /* private name-value pair for UUIDs */ 87 88 extern fmd_event_t *fmd_event_recreate(uint_t, const fmd_timeval_t *, 89 nvlist_t *, void *, struct fmd_log *, off64_t, size_t); 90 91 extern fmd_event_t *fmd_event_create(uint_t, hrtime_t, nvlist_t *, void *); 92 extern void fmd_event_destroy(fmd_event_t *); 93 extern void fmd_event_hold(fmd_event_t *); 94 extern void fmd_event_rele(fmd_event_t *); 95 96 extern void fmd_event_transition(fmd_event_t *, uint_t); 97 extern void fmd_event_commit(fmd_event_t *); 98 99 extern hrtime_t fmd_event_delta(fmd_event_t *, fmd_event_t *); 100 extern hrtime_t fmd_event_hrtime(fmd_event_t *); 101 102 extern int fmd_event_match(fmd_event_t *, uint_t, const void *); 103 extern int fmd_event_equal(fmd_event_t *, fmd_event_t *); 104 105 #ifdef __cplusplus 106 } 107 #endif 108 109 #endif /* _FMD_EVENT_H */ 110