/*
 * Copyright (c) 2016 ETH Zurich.
 * All rights reserved.
 *
 * This file is distributed under the terms in the attached LICENSE file.
 * If you do not find this file, copies can be found by writing to:
 * ETH Zurich D-INFK, Universitaetstrasse 6, CH-8092 Zurich. Attn: Systems Group.
 */
#ifndef REGION_H_
#define REGION_H_ 1


#include <aos/aos.h>
#include <devif/queue_interface.h>
#include <aos/slab.h>

#define INIT_SIZE 128
struct buffer {
    bufferid_t id;
    struct buffer* next;
};

struct region {
    // ID of the region
    regionid_t id;
    // Base address of the region
    lpaddr_t base_addr;
    // Capability of the region
    struct capref* cap;
    // Lenght of the memory region
    size_t len;
};

/**
 * @brief initialized a region
 *
 * @param region                Return pointer to the region
 * @param region_id             The ID of the region,
 * @param cap                   Capability of the memory region
 *
 * @returns error on failure or SYS_ERR_OK on success
 */
/*
errval_t region_init(struct region** region,
                     regionid_t region_id,
                     lpaddr_t base_addr,
                     size_t len,
                     struct capref* cap);
*/
/**
 * @brief free up a region
 *
 * @param region                The region to free up
 *
 * @returns error on failure or SYS_ERR_OK on success
 */
//errval_t region_destroy(struct region* region);

#endif /* REGION_H_ */