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Diffstat (limited to 'cmd/zed/agents/fmd_serd.h')
-rw-r--r-- | cmd/zed/agents/fmd_serd.h | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/cmd/zed/agents/fmd_serd.h b/cmd/zed/agents/fmd_serd.h new file mode 100644 index 000000000..c35c9acc7 --- /dev/null +++ b/cmd/zed/agents/fmd_serd.h @@ -0,0 +1,86 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License, Version 1.0 only + * (the "License"). You may not use this file except in compliance + * with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 2004 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + * + * Copyright (c) 2016, Intel Corporation. + */ + +#ifndef _FMD_SERD_H +#define _FMD_SERD_H + +#ifdef __cplusplus +extern "C" { +#endif + +#include <sys/list.h> +#include <sys/time.h> + +typedef struct fmd_serd_elem { + list_node_t se_list; /* linked list forward/back pointers */ + hrtime_t se_hrt; /* upper bound on event hrtime */ +} fmd_serd_elem_t; + +typedef struct fmd_serd_eng { + char *sg_name; /* string name for this engine */ + struct fmd_serd_eng *sg_next; /* next engine on hash chain */ + list_t sg_list; /* list of fmd_serd_elem_t's */ + uint_t sg_count; /* count of events in sg_list */ + uint_t sg_flags; /* engine flags (see below) */ + uint_t sg_n; /* engine N parameter (event count) */ + hrtime_t sg_t; /* engine T parameter (nanoseconds) */ +} fmd_serd_eng_t; + +#define FMD_SERD_FIRED 0x1 /* error rate has exceeded threshold */ +#define FMD_SERD_DIRTY 0x2 /* engine needs to be checkpointed */ + +typedef void fmd_serd_eng_f(fmd_serd_eng_t *, void *); + +typedef struct fmd_serd_hash { + fmd_serd_eng_t **sh_hash; /* hash bucket array for buffers */ + uint_t sh_hashlen; /* length of hash bucket array */ + uint_t sh_count; /* count of engines in hash */ +} fmd_serd_hash_t; + +extern void fmd_serd_hash_create(fmd_serd_hash_t *); +extern void fmd_serd_hash_destroy(fmd_serd_hash_t *); +extern void fmd_serd_hash_apply(fmd_serd_hash_t *, fmd_serd_eng_f *, void *); + +extern fmd_serd_eng_t *fmd_serd_eng_insert(fmd_serd_hash_t *, + const char *, uint32_t, hrtime_t); + +extern fmd_serd_eng_t *fmd_serd_eng_lookup(fmd_serd_hash_t *, const char *); +extern void fmd_serd_eng_delete(fmd_serd_hash_t *, const char *); + +extern int fmd_serd_eng_record(fmd_serd_eng_t *, hrtime_t); +extern int fmd_serd_eng_fired(fmd_serd_eng_t *); +extern int fmd_serd_eng_empty(fmd_serd_eng_t *); + +extern void fmd_serd_eng_reset(fmd_serd_eng_t *); +extern void fmd_serd_eng_gc(fmd_serd_eng_t *); + +#ifdef __cplusplus +} +#endif + +#endif /* _FMD_SERD_H */ |