2 * Copyright (c) 2004 Scott Long
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 #include <sys/cdefs.h>
27 __FBSDID("$FreeBSD$");
29 #include <sys/types.h>
30 #include <sys/fcntl.h>
31 #include <sys/ioctl.h>
32 #include <sys/aac_ioctl.h>
44 * Simple program to print out the queue stats on the given queue index.
45 * See /sys/sys/aac_ioctl.h for the definitions of each queue index.
51 printf("Usage: aac_checkq <queue_number>\n");
56 main(int argc, char **argv)
58 union aac_statrequest sr;
59 int fd, retval, queue;
64 fd = open("/dev/aac0", O_RDWR);
66 printf("couldn't open aac0: %s\n", strerror(errno));
70 queue = atoi(argv[1]);
71 printf("Getting stats for queue %d\n", queue);
72 bzero(&sr, sizeof(union aac_statrequest));
74 retval = ioctl(fd, AACIO_STATS, &sr);
76 printf("error on ioctl: %s\n", strerror(errno));
80 printf("length= %d, max= %d\n",sr.as_qstat.q_length, sr.as_qstat.q_max);