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root/abi/include/abi/mm/as.h

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/*
 * Copyright (c) 2010 Jakub Jermar
 * 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 abi_generic
 * @{
 */
/** @file
 */

#ifndef _ABI_AS_H_
#define _ABI_AS_H_

#include <abi/cap.h>

/** Address space area flags. */
enum {
        AS_AREA_READ         = 0x01,
        AS_AREA_WRITE        = 0x02,
        AS_AREA_EXEC         = 0x04,
        AS_AREA_CACHEABLE    = 0x08,
        AS_AREA_GUARD        = 0x10,
        AS_AREA_LATE_RESERVE = 0x20,
};

static void *const AS_AREA_ANY = (void *) -1;
static void *const AS_MAP_FAILED = (void *) -1;
static void *const AS_AREA_UNPAGED = NULL;

/** Address space area info exported to uspace. */
typedef struct {
        /** Starting address */
        uintptr_t start_addr;

        /** Area size */
        size_t size;

        /** Area flags */
        unsigned int flags;
} as_area_info_t;

typedef struct {
        cap_phone_handle_t pager;
        sysarg_t id1;
        sysarg_t id2;
        sysarg_t id3;
} as_area_pager_info_t;

#endif

/** @}
 */

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