diff options
Diffstat (limited to 'tools/tools/ioat/ioatcontrol.c')
-rw-r--r-- | tools/tools/ioat/ioatcontrol.c | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/tools/tools/ioat/ioatcontrol.c b/tools/tools/ioat/ioatcontrol.c new file mode 100644 index 0000000..c9c1a29 --- /dev/null +++ b/tools/tools/ioat/ioatcontrol.c @@ -0,0 +1,69 @@ +/*- + * Copyright (C) 2012 Intel Corporation + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +__FBSDID("$FreeBSD$"); + +#include <sys/ioctl.h> + +#include <fcntl.h> +#include <stdio.h> +#include <stdint.h> +#include <stdlib.h> +#include <sysexits.h> +#include <unistd.h> + +#include "ioat_test.h" + +int +main(int argc, char **argv) +{ + struct ioat_test t; + int fd; + + if (argc < 3) { + printf("Usage: %s <channel #> <num_loops>\n", argv[0]); + return (EX_USAGE); + } + + t.channel_index = atoi(argv[1]); + if (t.channel_index > 8) { + printf("Channel number must be between 0 and 7.\n"); + return (EX_USAGE); + } + + t.num_loops = atoi(argv[2]); + + fd = open("/dev/ioat_test", O_RDWR); + if (fd < 0) { + printf("Cannot open /dev/ioat_test\n"); + return (EX_UNAVAILABLE); + } + + (void)ioctl(fd, IOAT_DMATEST, &t); + close(fd); + + return (t.status); +} |