/*

 * Copyright © 2011 Red Hat

 *

 * Permission is hereby granted, free of charge, to any person obtaining a

 * copy of this software and associated documentation files (the "Software"),

 * to deal in the Software without restriction, including without limitation

 * the rights to use, copy, modify, merge, publish, distribute, sublicense,

 * and/or sell copies of the Software, and to permit persons to whom the

 * Software is furnished to do so, subject to the following conditions:

 *

 * The above copyright notice and this permission notice (including the next

 * paragraph) shall be included in all copies or substantial portions of the

 * Software.

 *

 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL

 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING

 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS

 * IN THE SOFTWARE.

 *

 * Authors:

 *    Jerome Glisse <j.glisse@gmail.com>

 */

#ifndef RBO_H

#define RBO_H

#include "util_double_list.h"

struct rbo {

    struct list_head    list;

    int                 fd;

    unsigned            refcount;

    unsigned            mapcount;

    unsigned            handle;

    unsigned            size;

    unsigned            alignment;

    void                *data;

};

struct rbo *rbo(int fd, unsigned handle, unsigned size,

                unsigned alignment, void *ptr);

int rbo_map(struct rbo *bo);

void rbo_unmap(struct rbo *bo);

struct rbo *rbo_incref(struct rbo *bo);

struct rbo *rbo_decref(struct rbo *bo);

int rbo_wait(struct rbo *bo);

#endif