82 lines
2.2 KiB
C
82 lines
2.2 KiB
C
/*
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* Copyright 2022 Unisoc (Shanghai) Technologies Co., Ltd.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* SPDX-FileCopyrightText: 2022 Unisoc (Shanghai) Technologies Co., Ltd
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* SPDX-License-Identifier: LicenseRef-Unisoc-General-1.0
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*
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* Licensed under the Unisoc General Software License, version 1.0 (the License);
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.unisoc.com/en_us/license/UNISOC_GENERAL_LICENSE_V1.0-EN_US
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*
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* Software distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OF ANY KIND, either express or implied.
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* See the Unisoc General Software License, version 1.0 for more details.
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*/
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#define LOG_TAG "libtrusty"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <stdbool.h>
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#include <sys/ioctl.h>
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#include <unistd.h>
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#include "tipc_ioctl.h"
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#define LOCAL_TRACE 1
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#define ALOGE(fmt, ...) \
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fprintf(stderr, "%s: %d: " fmt, LOG_TAG, __LINE__, ## __VA_ARGS__)
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#if LOCAL_TRACE
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#define ALOGV(fmt, ...) \
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fprintf(stderr, "%s: %d: " fmt, LOG_TAG, __LINE__, ## __VA_ARGS__)
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#else
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#define ALOGV(fmt, ...)
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#endif
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int tipc_connect(const char *device, const char *port)
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{
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int fd, rc;
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fd = open(device, O_RDWR);
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if (fd < 0) {
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rc = -errno;
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ALOGE("cannot open tipc device \"%s\": %s\n", device, strerror(errno));
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goto error;
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}
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rc = ioctl(fd, TIPC_IOC_CONNECT, port);
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if (rc < 0) {
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rc = -errno;
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ALOGE("can't connect to tipc service \"%s\" (err=%d)\n", port, errno);
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close(fd);
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goto error;
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}
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ALOGV("%s: connected to \"%s\" fd %d\n", __func__, port, fd);
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return fd;
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error:
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return rc < 0 ? rc : -1;
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}
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void tipc_close(int fd)
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{
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close(fd);
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}
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