native-protocol.h

/*
 * Copyright (c) 2008-2014, Pedigree Developers
 *
 * Please see the CONTRIB file in the root of the source tree for a full
 * list of contributors.
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#ifndef _PEDIGREE_NATIVE_PROTOCOL_H
#define _PEDIGREE_NATIVE_PROTOCOL_H

#include "pedigree/native/Object.h"

// Values for the 'meta' field in ReturnState.
#define META_ERROR_MASK 0xFFFF
#define META_ERROR_BADOBJECT 0x0001

struct ReturnState
{
    bool success;
    uint64_t value;
    uint64_t meta;
};

int _syscall(Object *pObject, size_t nOp);

void register_object(Object *pObject);

void unregister_object(Object *pObject);

ReturnState
native_call(Object *pObject, uint64_t subid, void *params, size_t params_size);

#endif