// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.

enclave {

    include "inc/stat.h"
    include "sys/uio.h"

    from "sgx_mem.edl" import *;

    trusted {
        /* define ECALLs here. */
    };

    untrusted {
        size_t u_read_ocall([out] int *error, int fd, [user_check] void *buf, size_t count);
        size_t u_pread64_ocall([out] int *error, int fd, [user_check] void *buf, size_t count, int64_t offset);
        size_t u_readv_ocall([out] int *error, int fd, [in, count=iovcnt] const struct iovec *iov, int iovcnt);
        size_t u_preadv64_ocall([out] int *error, int fd, [in, count=iovcnt] const struct iovec *iov, int iovcnt, int64_t offset);

        size_t u_write_ocall([out] int *error, int fd, [user_check] const void *buf, size_t count);
        size_t u_pwrite64_ocall([out] int *error, int fd, [user_check] const void *buf, size_t count, int64_t offset);
        size_t u_writev_ocall([out] int *error, int fd, [in, count=iovcnt] const struct iovec *iov, int iovcnt);
        size_t u_pwritev64_ocall([out] int *error, int fd, [in, count=iovcnt] const struct iovec *iov, int iovcnt, int64_t offset);

        int u_fcntl_arg0_ocall([out] int *error, int fd, int cmd);
        int u_fcntl_arg1_ocall([out] int *error, int fd, int cmd, int arg);
        int u_ioctl_arg0_ocall([out] int *error, int fd, int request);
        int u_ioctl_arg1_ocall([out] int *error, int fd, int request, [in, out] int *arg);

        int u_close_ocall([out] int *error, int fd);
    };
};