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/types.h> 27 #include <sys/fcntl.h> 28 #include <sys/ioctl.h> 29 #include <sys/aac_ioctl.h> 30 31 #include <errno.h> 32 #include <stdio.h> 33 #include <stdlib.h> 34 #include <string.h> 35 #include <strings.h> 36 #include <unistd.h> 37 38 void usage(void); 39 40 /* 41 * Simple program to print out the queue stats on the given queue index. 42 * See /sys/sys/aac_ioctl.h for the definitions of each queue index. 43 */ 44 45 void 46 usage(void) 47 { 48 printf("Usage: aac_checkq <queue_number>\n"); 49 exit(1); 50 } 51 52 int 53 main(int argc, char **argv) 54 { 55 union aac_statrequest sr; 56 int fd, retval, queue; 57 58 if (argc != 2) 59 usage(); 60 61 fd = open("/dev/aac0", O_RDWR); 62 if (fd == -1) { 63 printf("couldn't open aac0: %s\n", strerror(errno)); 64 return (-1); 65 } 66 67 queue = atoi(argv[1]); 68 printf("Getting stats for queue %d\n", queue); 69 bzero(&sr, sizeof(union aac_statrequest)); 70 sr.as_item = queue; 71 retval = ioctl(fd, AACIO_STATS, &sr); 72 if (retval == -1) { 73 printf("error on ioctl: %s\n", strerror(errno)); 74 return (-1); 75 } 76 77 printf("length= %d, max= %d\n",sr.as_qstat.q_length, sr.as_qstat.q_max); 78 79 close(fd); 80 return 0; 81 } 82