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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (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 https://opensource.org/licenses/CDDL-1.0.
* 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 (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved.
*
* Copyright (c) 2016, Intel Corporation.
*/
#ifndef _FMD_API_H
#define _FMD_API_H
#include <sys/types.h>
#include <sys/time.h>
#include <time.h>
#include <libnvpair.h>
#include <stdarg.h>
#include <umem.h>
#ifdef __cplusplus
extern "C" {
#endif
/*
* Fault Management Daemon Client Interfaces
*/
#define FMD_API_VERSION 5
typedef struct fmd_hdl fmd_hdl_t;
typedef struct fmd_timer {
timer_t ft_tid;
void *ft_arg;
fmd_hdl_t *ft_hdl;
} fmd_timer_t;
#define id_t fmd_timer_t *
typedef struct fmd_event {
hrtime_t ev_hrt; /* event time used by SERD engines */
} fmd_event_t;
typedef struct fmd_case {
char ci_uuid[48]; /* uuid string for this case */
fmd_hdl_t *ci_mod; /* module that owns this case */
void *ci_data; /* data from fmd_case_setspecific() */
ushort_t ci_state; /* case state (see below) */
ushort_t ci_flags; /* case flags (see below) */
struct timeval ci_tv; /* time of original diagnosis */
void *ci_bufptr; /* case data serialization buffer */
size_t ci_bufsiz;
} fmd_case_t;
#define FMD_CASE_UNSOLVED 0 /* case is not yet solved (waiting) */
#define FMD_CASE_SOLVED 1 /* case is solved (suspects added) */
#define FMD_CASE_CLOSE_WAIT 2 /* case is executing fmdo_close() */
#define FMD_CASE_CLOSED 3 /* case is closed (reconfig done) */
#define FMD_CASE_REPAIRED 4 /* case is repaired */
#define FMD_CASE_RESOLVED 5 /* case is resolved (can be freed) */
#define FMD_CF_DIRTY 0x01 /* case is in need of checkpoint */
#define FMD_CF_SOLVED 0x02 /* case has been solved */
#define FMD_CF_ISOLATED 0x04 /* case has been isolated */
#define FMD_CF_REPAIRED 0x08 /* case has been repaired */
#define FMD_CF_RESOLVED 0x10 /* case has been resolved */
#define FMD_TYPE_BOOL 0 /* int */
#define FMD_TYPE_INT32 1 /* int32_t */
#define FMD_TYPE_UINT32 2 /* uint32_t */
#define FMD_TYPE_INT64 3 /* int64_t */
#define FMD_TYPE_UINT64 4 /* uint64_t */
#define FMD_TYPE_TIME 5 /* uint64_t */
#define FMD_TYPE_SIZE 6 /* uint64_t */
typedef struct fmd_prop {
const char *fmdp_name; /* property name */
uint_t fmdp_type; /* property type (see above) */
const char *fmdp_defv; /* default value */
} fmd_prop_t;
typedef struct fmd_stat {
char fmds_name[32]; /* statistic name */
uint_t fmds_type; /* statistic type (see above) */
char fmds_desc[64]; /* statistic description */
union {
int bool; /* FMD_TYPE_BOOL */
int32_t i32; /* FMD_TYPE_INT32 */
uint32_t ui32; /* FMD_TYPE_UINT32 */
int64_t i64; /* FMD_TYPE_INT64 */
uint64_t ui64; /* FMD_TYPE_UINT64 */
} fmds_value;
} fmd_stat_t;
typedef struct fmd_hdl_ops {
void (*fmdo_recv)(fmd_hdl_t *, fmd_event_t *, nvlist_t *, const char *);
void (*fmdo_timeout)(fmd_hdl_t *, id_t, void *);
void (*fmdo_close)(fmd_hdl_t *, fmd_case_t *);
void (*fmdo_stats)(fmd_hdl_t *);
void (*fmdo_gc)(fmd_hdl_t *);
} fmd_hdl_ops_t;
#define FMD_SEND_SUCCESS 0 /* fmdo_send queued event */
#define FMD_SEND_FAILED 1 /* fmdo_send unrecoverable error */
#define FMD_SEND_RETRY 2 /* fmdo_send requests retry */
typedef struct fmd_hdl_info {
const char *fmdi_desc; /* fmd client description string */
const char *fmdi_vers; /* fmd client version string */
const fmd_hdl_ops_t *fmdi_ops; /* ops vector for client */
const fmd_prop_t *fmdi_props; /* array of configuration props */
} fmd_hdl_info_t;
extern int fmd_hdl_register(fmd_hdl_t *, int, const fmd_hdl_info_t *);
extern void fmd_hdl_unregister(fmd_hdl_t *);
extern void fmd_hdl_setspecific(fmd_hdl_t *, void *);
extern void *fmd_hdl_getspecific(fmd_hdl_t *);
#define FMD_SLEEP UMEM_NOFAIL
extern void *fmd_hdl_alloc(fmd_hdl_t *, size_t, int);
extern void *fmd_hdl_zalloc(fmd_hdl_t *, size_t, int);
extern void fmd_hdl_free(fmd_hdl_t *, void *, size_t);
extern char *fmd_hdl_strdup(fmd_hdl_t *, const char *, int);
extern void fmd_hdl_strfree(fmd_hdl_t *, char *);
extern void fmd_hdl_vdebug(fmd_hdl_t *, const char *, va_list);
extern void fmd_hdl_debug(fmd_hdl_t *, const char *, ...);
extern int32_t fmd_prop_get_int32(fmd_hdl_t *, const char *);
#define FMD_STAT_NOALLOC 0x0 /* fmd should use caller's memory */
#define FMD_STAT_ALLOC 0x1 /* fmd should allocate stats memory */
extern fmd_stat_t *fmd_stat_create(fmd_hdl_t *, uint_t, uint_t, fmd_stat_t *);
extern void fmd_stat_destroy(fmd_hdl_t *, uint_t, fmd_stat_t *);
extern void fmd_stat_setstr(fmd_hdl_t *, fmd_stat_t *, const char *);
extern fmd_case_t *fmd_case_open(fmd_hdl_t *, void *);
extern void fmd_case_reset(fmd_hdl_t *, fmd_case_t *);
extern void fmd_case_solve(fmd_hdl_t *, fmd_case_t *);
extern void fmd_case_close(fmd_hdl_t *, fmd_case_t *);
extern const char *fmd_case_uuid(fmd_hdl_t *, fmd_case_t *);
extern fmd_case_t *fmd_case_uulookup(fmd_hdl_t *, const char *);
extern void fmd_case_uuclose(fmd_hdl_t *, const char *);
extern int fmd_case_uuclosed(fmd_hdl_t *, const char *);
extern int fmd_case_uuisresolved(fmd_hdl_t *, const char *);
extern void fmd_case_uuresolved(fmd_hdl_t *, const char *);
extern boolean_t fmd_case_solved(fmd_hdl_t *, fmd_case_t *);
extern void fmd_case_add_ereport(fmd_hdl_t *, fmd_case_t *, fmd_event_t *);
extern void fmd_case_add_serd(fmd_hdl_t *, fmd_case_t *, const char *);
extern void fmd_case_add_suspect(fmd_hdl_t *, fmd_case_t *, nvlist_t *);
extern void fmd_case_setspecific(fmd_hdl_t *, fmd_case_t *, void *);
extern void *fmd_case_getspecific(fmd_hdl_t *, fmd_case_t *);
extern fmd_case_t *fmd_case_next(fmd_hdl_t *, fmd_case_t *);
extern fmd_case_t *fmd_case_prev(fmd_hdl_t *, fmd_case_t *);
extern void fmd_buf_create(fmd_hdl_t *, fmd_case_t *, const char *, size_t);
extern void fmd_buf_destroy(fmd_hdl_t *, fmd_case_t *, const char *);
extern void fmd_buf_read(fmd_hdl_t *, fmd_case_t *,
const char *, void *, size_t);
extern void fmd_buf_write(fmd_hdl_t *, fmd_case_t *,
const char *, const void *, size_t);
extern size_t fmd_buf_size(fmd_hdl_t *, fmd_case_t *, const char *);
extern void fmd_serd_create(fmd_hdl_t *, const char *, uint_t, hrtime_t);
extern void fmd_serd_destroy(fmd_hdl_t *, const char *);
extern int fmd_serd_exists(fmd_hdl_t *, const char *);
extern int fmd_serd_active(fmd_hdl_t *, const char *);
extern void fmd_serd_reset(fmd_hdl_t *, const char *);
extern int fmd_serd_record(fmd_hdl_t *, const char *, fmd_event_t *);
extern int fmd_serd_fired(fmd_hdl_t *, const char *);
extern int fmd_serd_empty(fmd_hdl_t *, const char *);
extern void fmd_serd_gc(fmd_hdl_t *);
extern id_t fmd_timer_install(fmd_hdl_t *, void *, fmd_event_t *, hrtime_t);
extern void fmd_timer_remove(fmd_hdl_t *, id_t);
extern nvlist_t *fmd_nvl_create_fault(fmd_hdl_t *,
const char *, uint8_t, nvlist_t *, nvlist_t *, nvlist_t *);
extern int fmd_nvl_class_match(fmd_hdl_t *, nvlist_t *, const char *);
#define FMD_HAS_FAULT_FRU 0
#define FMD_HAS_FAULT_ASRU 1
#define FMD_HAS_FAULT_RESOURCE 2
extern void fmd_repair_fru(fmd_hdl_t *, const char *);
extern int fmd_repair_asru(fmd_hdl_t *, const char *);
extern nvlist_t *fmd_nvl_alloc(fmd_hdl_t *, int);
extern nvlist_t *fmd_nvl_dup(fmd_hdl_t *, nvlist_t *, int);
/*
* ZED Specific Interfaces
*/
extern fmd_hdl_t *fmd_module_hdl(const char *);
extern boolean_t fmd_module_initialized(fmd_hdl_t *);
extern void fmd_module_recv(fmd_hdl_t *, nvlist_t *, const char *);
/* ZFS FMA Retire Agent */
extern void _zfs_retire_init(fmd_hdl_t *);
extern void _zfs_retire_fini(fmd_hdl_t *);
/* ZFS FMA Diagnosis Engine */
extern void _zfs_diagnosis_init(fmd_hdl_t *);
extern void _zfs_diagnosis_fini(fmd_hdl_t *);
#ifdef __cplusplus
}
#endif
#endif /* _FMD_API_H */
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