mirror of
https://github.com/linux-msm/rpmsgexport.git
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95 lines
2.6 KiB
C
95 lines
2.6 KiB
C
/*
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* Copyright (c) 2016, Linaro Ltd.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its contributors
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* may be used to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/ioctl.h>
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#include <err.h>
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#include <fcntl.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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struct rpmsg_endpoint_info {
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char name[32];
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uint32_t src;
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uint32_t dst;
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};
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#define RPMSG_CREATE_EPT_IOCTL _IOW(0xb5, 0x1, struct rpmsg_endpoint_info)
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static void usage(void)
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{
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extern char *__progname;
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fprintf(stderr, "%s <ctrl> <name> [<src> <dst>]\n", __progname);
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exit(1);
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}
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int main(int argc, char **argv)
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{
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struct rpmsg_endpoint_info ept;
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int ret;
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int fd;
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char *endptr;
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if (argc != 3 && argc != 5)
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usage();
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fd = open(argv[1], O_RDWR);
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if (fd < 0)
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err(1, "failed to open %s\n", argv[1]);
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strncpy(ept.name, argv[2], sizeof(ept.name));
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ept.name[sizeof(ept.name)-1] = '\0';
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if (argc == 5) {
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ept.src = strtoul(argv[3], &endptr, 10);
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if (*endptr)
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usage();
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ept.dst = strtoul(argv[4], &endptr, 10);
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if (*endptr)
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usage();
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}
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ret = ioctl(fd, RPMSG_CREATE_EPT_IOCTL, &ept);
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if (ret < 0) {
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fprintf(stderr, "failed to create endpoint");
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exit(1);
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}
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close(fd);
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return 0;
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}
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