HelenOS sources

root/uspace/srv/volsrv/types/volume.h

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/*
 * Copyright (c) 2018 Jiri Svoboda
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * - The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

/** @addtogroup volsrv
 * @{
 */
/**
 * @file
 * @brief
 */

#ifndef TYPES_VOLUME_H_
#define TYPES_VOLUME_H_

#include <adt/list.h>
#include <refcount.h>
#include <fibril_synch.h>
#include <sif.h>

/** Volume */
typedef struct vol_volume {
        /** Containing volume list */
        struct vol_volumes *volumes;
        /** Link to vol_volumes */
        link_t lvolumes;
        /** ID used by clients to refer to the volume */
        volume_id_t id;
        /** Reference count */
        atomic_refcount_t refcnt;
        /** Volume label */
        char *label;
        /** Mount point */
        char *mountp;
        /** SIF node for this volume */
        sif_node_t *nvolume;
} vol_volume_t;

/** Volumes */
typedef struct vol_volumes {
        /** Synchronize access to list of volumes */
        fibril_mutex_t lock;
        /** Volumes (list of vol_volume_t) */
        list_t volumes;
        /** Cconfiguration repo session */
        sif_sess_t *repo;
        /** Volumes SIF node */
        sif_node_t *nvolumes;
        /** Next ID */
        sysarg_t next_id;
} vol_volumes_t;

#endif

/** @}
 */

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