graphene/Pal/src/host/FreeBSD/db_ipc.c

/* -*- mode:c; c-file-style:"k&r"; c-basic-offset: 4; tab-width:4; indent-tabs-mode:nil; mode:auto-fill; fill-column:78; -*- */
/* vim: set ts=4 sw=4 et tw=78 fo=cqt wm=0: */

/* Copyright (C) 2014 OSCAR lab, Stony Brook University
   This file is part of Graphene Library OS.

   Graphene Library OS is free software: you can redistribute it and/or
   modify it under the terms of the GNU General Public License
   as published by the Free Software Foundation, either version 3 of the
   License, or (at your option) any later version.

   Graphene Library OS is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */

/*
 * db_ipc.c
 *
 * This file contains APIs for physical memory bulk copy across processes.
 */

#include "pal_defs.h"
#include "pal_freebsd_defs.h"
#include "pal.h"
#include "pal_internal.h"
#include "pal_freebsd.h"
#include "pal_error.h"
#include "pal_security.h"
#include "api.h"

#include <fcntl.h>
#include <sched.h>

int gipc_open (PAL_HANDLE * handle, const char * type, const char * uri,
               int access, int share, int create, int options)
{
    return -PAL_ERROR_NOTIMPLEMENTED;
}

int gipc_close (PAL_HANDLE handle)
{
    return 0;
}

const char * gipc_getrealpath (PAL_HANDLE handle)
{
    return NULL;
}

struct handle_ops gipc_ops = {
        .getrealpath        = &gipc_getrealpath,
        .open               = &gipc_open,
        .close              = &gipc_close,
    };

int _DkCreatePhysicalMemoryChannel (PAL_HANDLE * handle, unsigned long * key)
{
    return -PAL_ERROR_NOTIMPLEMENTED;
}

int _DkPhysicalMemoryCommit (PAL_HANDLE channel, int entries,
                             PAL_PTR * addrs, PAL_NUM * sizes, int flags)
{
    return -PAL_ERROR_NOTIMPLEMENTED;
}

int _DkPhysicalMemoryMap (PAL_HANDLE channel, int entries,
                          PAL_PTR * addrs, PAL_NUM * sizes, PAL_FLG * prots)
{
    return -PAL_ERROR_NOTIMPLEMENTED;
}