1 /*- 2 * Copyright (c) 2004 Scott Long 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 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. 12 * 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 23 * SUCH DAMAGE. 24 */ 25 26 #include <sys/cdefs.h> 27 __FBSDID("$FreeBSD$"); 28 29 #include <sys/types.h> 30 #include <sys/fcntl.h> 31 #include <sys/ioctl.h> 32 #include <sys/aac_ioctl.h> 33 34 #include <errno.h> 35 #include <stdio.h> 36 #include <stdlib.h> 37 #include <string.h> 38 #include <strings.h> 39 #include <unistd.h> 40 41 void usage(void); 42 43 /* 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. 46 */ 47 48 void 49 usage(void) 50 { 51 printf("Usage: aac_checkq <queue_number>\n"); 52 exit(1); 53 } 54 55 int 56 main(int argc, char **argv) 57 { 58 union aac_statrequest sr; 59 int fd, retval, queue; 60 61 if (argc != 2) 62 usage(); 63 64 fd = open("/dev/aac0", O_RDWR); 65 if (fd == -1) { 66 printf("couldn't open aac0: %s\n", strerror(errno)); 67 return (-1); 68 } 69 70 queue = atoi(argv[1]); 71 printf("Getting stats for queue %d\n", queue); 72 bzero(&sr, sizeof(union aac_statrequest)); 73 sr.as_item = queue; 74 retval = ioctl(fd, AACIO_STATS, &sr); 75 if (retval == -1) { 76 printf("error on ioctl: %s\n", strerror(errno)); 77 return (-1); 78 } 79 80 printf("length= %d, max= %d\n",sr.as_qstat.q_length, sr.as_qstat.q_max); 81 82 close(fd); 83 return 0; 84 } 85