graphene/Pal/src/host/Linux-SGX/db_ipc.c

/* Copyright (C) 2014 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 Lesser 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 Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser 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.h"
#include "pal_defs.h"
#include "pal_error.h"
#include "pal_internal.h"
#include "pal_linux_defs.h"

/* Mute warning for the file with all unimplemented functions
 * Remove the following pragma when implementing the functions
 */
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wunused-parameter"

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 -PAL_ERROR_NOTIMPLEMENTED;
}

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, uint64_t* key) {
    return -PAL_ERROR_NOTIMPLEMENTED;
}

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

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

#pragma GCC diagnostic pop