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cbdccf0a9c
Export dm_basename(). Cope with a trailing space when comparing tables prior to possible reload.
74 lines
2.9 KiB
C
74 lines
2.9 KiB
C
/*
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* Copyright (C) 2005 Red Hat, Inc. All rights reserved.
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*
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* This file is part of the device-mapper userspace tools.
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*
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* This copyrighted material is made available to anyone wishing to use,
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* modify, copy, or redistribute it subject to the terms and conditions
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* of the GNU Lesser General Public License v.2.1.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/*
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* Note that this file is released only as part of a technology preview
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* and its contents may change in future updates in ways that do not
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* preserve compatibility.
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*/
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#ifndef LIB_DMEVENT_H
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#define LIB_DMEVENT_H
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#include <stdint.h>
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/* Event type definitions. */
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/* FIXME Use masks to separate the types and provide for extension. */
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enum dm_event_type {
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DM_EVENT_SINGLE = 0x01, /* Report multiple errors just once. */
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DM_EVENT_MULTI = 0x02, /* Report all of them. */
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DM_EVENT_SECTOR_ERROR = 0x04, /* Failure on a particular sector. */
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DM_EVENT_DEVICE_ERROR = 0x08, /* Device failure. */
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DM_EVENT_PATH_ERROR = 0x10, /* Failure on an io path. */
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DM_EVENT_ADAPTOR_ERROR = 0x20, /* Failure off a host adaptor. */
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DM_EVENT_SYNC_STATUS = 0x40, /* Mirror synchronization completed/failed. */
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DM_EVENT_TIMEOUT = 0x80, /* Timeout has occured */
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DM_EVENT_REGISTRATION_PENDING = 0X100, /* Monitor thread is setting-up/shutting-down */
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};
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/* FIXME Use a mask. */
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#define DM_EVENT_ALL_ERRORS (DM_EVENT_SECTOR_ERROR | DM_EVENT_DEVICE_ERROR | \
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DM_EVENT_PATH_ERROR | DM_EVENT_ADAPTOR_ERROR)
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/* Prototypes for event lib interface. */
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/* FIXME Replace device with standard name/uuid/devno choice */
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/* Interface changes:
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First register a handler, passing in a unique ref for the device. */
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// int dm_event_register_handler(const char *dso_name, const char *device);
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// int dm_event_register(const char *dso_name, const char *name, const char *uuid, uint32_t major, uint32_t minor, enum dm_event_type events);
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/* Or (better?) add to task structure and use existing functions - run
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a task to register/unregister events - we may need to run task
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withe that with the new event mechanism anyway, then the dso calls
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just hook in. */
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int dm_event_register(const char *dso_name, const char *device, enum dm_event_type events);
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int dm_event_unregister(const char *dso_name, const char *device,
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enum dm_event_type events);
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int dm_event_get_registered_device(char **dso_name, char **device,
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enum dm_event_type *events, int next);
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int dm_event_set_timeout(const char *device, uint32_t timeout);
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int dm_event_get_timeout(const char *device, uint32_t *timeout);
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/* Prototypes for DSO interface. */
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void process_event(const char *device, enum dm_event_type event);
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int register_device(const char *device);
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int unregister_device(const char *device);
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#endif
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