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-rw-r--r--tools/tools/ioat/ioatcontrol.c69
1 files changed, 69 insertions, 0 deletions
diff --git a/tools/tools/ioat/ioatcontrol.c b/tools/tools/ioat/ioatcontrol.c
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index 000000000000..c9c1a29c5d25
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+++ b/tools/tools/ioat/ioatcontrol.c
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+/*-
+ * 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);
+}