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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 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 2007 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
* Copyright 2016 Nexenta Systems, Inc. All rights reserved.
*/
#ifndef _DISKMOND_CONF_H
#define _DISKMOND_CONF_H
/*
* Configuration File data
*/
#ifdef __cplusplus
extern "C" {
#endif
#include <sys/types.h>
#include <pthread.h>
#include <libnvpair.h>
#include <fm/fmd_api.h>
#include "dm_types.h"
#include "util.h"
#ifndef MIN
#define MIN(x, y) ((x) < (y) ? (x) : (y))
#endif
#ifndef MAX
#define MAX(x, y) ((x) > (y) ? (x) : (y))
#endif
#define DEVICES_PREFIX "/devices"
#define GLOBAL_PROP_LOG_LEVEL "log-level"
/* Property names (and values) for the disk configuration file entity */
#define DISK_PROP_DEVPATH "dev-path"
#define DISK_PROP_LOGNAME "logical-path"
#define DISK_PROP_FRUACTION "fru-update-action"
#define DISK_PROP_OTEMPACTION "overtemp-action"
#define DISK_PROP_STFAILACTION "selftest-fail-action"
#define DISK_PROP_SSMWEAROUTACTION "ssm-wearout-action"
/* Properties for the "ap" subentity */
#define DISK_AP_PROP_APID "path"
#define DEVPATH_MINOR_SEPARATOR ':'
#define DEFAULT_FAULT_POLLING_INTERVAL 3600 /* seconds */
#define INDICATOR_FAULT_IDENTIFIER "FAULT"
typedef enum conf_err_e {
E_NO_ERROR = 0,
E_MULTIPLE_IND_LISTS_DEFINED,
E_MULTIPLE_INDRULE_LISTS_DEFINED,
E_INVALID_STATE_CHANGE,
E_IND_MULTIPLY_DEFINED,
E_IND_ACTION_REDUNDANT,
E_IND_ACTION_CONFLICT,
E_IND_MISSING_FAULT_ON,
E_IND_MISSING_FAULT_OFF,
E_INDRULE_REFERENCES_NONEXISTENT_IND_ACTION,
E_DUPLICATE_STATE_TRANSITION
} conf_err_t;
typedef enum {
INDICATOR_UNKNOWN,
INDICATOR_ON,
INDICATOR_OFF
} ind_state_t;
typedef enum {
TS_NOT_RUNNING,
TS_RUNNING,
TS_EXIT_REQUESTED,
TS_EXITED
} thread_state_t;
typedef struct ind_action {
ind_state_t ind_state;
char *ind_name;
struct ind_action *next;
} ind_action_t;
typedef struct state_transition {
hotplug_state_t begin;
hotplug_state_t end;
} state_transition_t;
typedef struct indrule {
state_transition_t strans;
ind_action_t *action_list;
struct indrule *next;
} indrule_t;
typedef struct indicator {
ind_state_t ind_state;
char *ind_name;
char *ind_instr_spec;
struct indicator *next;
} indicator_t;
typedef struct diskmon {
/*
* Static configuration data
*/
nvlist_t *props;
char *location; /* descriptive location */
nvlist_t *app_props;
indicator_t *ind_list;
indrule_t *indrule_list;
/*
* Dynamic data
*/
hotplug_state_t state;
/*
* Only one manager can be manipulating the
* state in the diskmon at one time (either the
* state-change manager or the fault-polling manager)
*/
pthread_mutex_t manager_mutex;
/*
* Set to true only during initialization, and
* cleared the next time a fru update needs to
* occur, this flag enabled an optimization of
* NOT calling libtopo for a configuration update
* when the DE starts up. This allows a HUGE
* savings (since only a single snapshot-- the
* initial snapshot) is used as the source of
* the FRU information.
*/
boolean_t initial_configuration;
/* For the state-change manager: */
/*
* Current state of the fault indicator.
*/
pthread_mutex_t fault_indicator_mutex;
ind_state_t fault_indicator_state;
/*
* Set to TRUE when a disk transitions to the CONFIGURED state
* and remains TRUE until the disk is physically removed.
*/
boolean_t configured_yet;
/*
* The number of disk hotplug state transitions since the disk
* was inserted.
*/
uint_t state_change_count;
/* Disk FRU (model, manufacturer, etc) information */
pthread_mutex_t fru_mutex;
dm_fru_t *frup;
struct diskmon *next;
} diskmon_t;
typedef struct cfgdata {
nvlist_t *props;
diskmon_t *disk_list;
} cfgdata_t;
typedef struct namevalpr {
char *name;
char *value;
} namevalpr_t;
extern indicator_t *new_indicator(ind_state_t lstate, char *namep,
char *actionp);
extern void link_indicator(indicator_t **first,
indicator_t *to_add);
extern void ind_free(indicator_t *indp);
extern ind_action_t *new_indaction(ind_state_t state, char *namep);
extern void link_indaction(ind_action_t **first,
ind_action_t *to_add);
extern void indaction_free(ind_action_t *lap);
extern indrule_t *new_indrule(state_transition_t *st,
ind_action_t *actionp);
extern void link_indrule(indrule_t **first, indrule_t *to_add);
extern void indrule_free(indrule_t *lrp);
extern diskmon_t *new_diskmon(nvlist_t *app_props, indicator_t *indp,
indrule_t *indrp, nvlist_t *nvlp);
extern void diskmon_free(diskmon_t *dmp);
extern dm_fru_t *new_dmfru(char *manu, char *modl, char *firmrev,
char *serno, uint64_t capa);
extern void dmfru_free(dm_fru_t *frup);
extern nvlist_t *namevalpr_to_nvlist(namevalpr_t *nvprp);
extern conf_err_t check_state_transition(hotplug_state_t s1,
hotplug_state_t s2);
extern conf_err_t check_inds(indicator_t *indp);
extern conf_err_t check_indactions(ind_action_t *indap);
extern conf_err_t check_indrules(indrule_t *indrp,
state_transition_t **offender);
extern conf_err_t check_consistent_ind_indrules(indicator_t *indp,
indrule_t *indrp, ind_action_t **offender);
extern void cfgdata_add_diskmon(cfgdata_t *cfgp, diskmon_t *dmp);
extern void conf_error_msg(conf_err_t err, char *buf, int buflen,
void *arg);
extern const char *dm_prop_lookup(nvlist_t *props, const char *prop_name);
extern int dm_prop_lookup_int(nvlist_t *props,
const char *prop_name, int *value);
extern int config_init(void);
extern int config_get(fmd_hdl_t *hdl, const fmd_prop_t *fmd_props);
extern void config_fini(void);
extern const char *hotplug_state_string(hotplug_state_t state);
extern nvlist_t *dm_global_proplist(void);
#ifdef __cplusplus
}
#endif
#endif /* _DISKMOND_CONF_H */
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