share/examples/ses/srcs/getencstat.c

   1 /* $FreeBSD$ */
   2 /*
   3  * Copyright (c) 2000 by Matthew Jacob
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions, and the following disclaimer,
  11  *    without modification, immediately at the beginning of the file.
  12  * 2. The name of the author may not be used to endorse or promote products
  13  *    derived from this software without specific prior written permission.
  14  *
  15  * Alternatively, this software may be distributed under the terms of the
  16  * the GNU Public License ("GPL").
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  21  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
  22  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  24  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  28  * SUCH DAMAGE.
  29  *
  30  * Matthew Jacob
  31  * Feral Software
  32  * mjacob@feral.com
  33  */
  34
  35 #include <unistd.h>
  36 #include <stddef.h>
  37 #include <stdint.h>
  38 #include <stdlib.h>
  39 #include <stdio.h>
  40 #include <string.h>
  41 #include <sys/ioctl.h>
  42 #include <fcntl.h>
  43 #include <cam/scsi/scsi_all.h>
  44 #include <cam/scsi/scsi_enc.h>
  45
  46 #include "eltsub.h"
  47
  48 int
  49 main(int a, char **v)
  50 {
  51         encioc_element_t *objp;
  52         encioc_elm_status_t ob;
  53         encioc_elm_desc_t objd;
  54         encioc_elm_devnames_t objdn;
  55         int fd, nobj, f, i, verbose, quiet, errors;
  56         u_char estat;
  57
  58         if (a < 2) {
  59                 fprintf(stderr, "usage: %s [ -v ] device [ device ... ]\n", *v);
  60                 return (1);
  61         }
  62         errors = quiet = verbose = 0;
  63         if (strcmp(v[1], "-V") == 0) {
  64                 verbose = 2;
  65                 v++;
  66         } else if (strcmp(v[1], "-v") == 0) {
  67                 verbose = 1;
  68                 v++;
  69         } else if (strcmp(v[1], "-q") == 0) {
  70                 quiet = 1;
  71                 verbose = 0;
  72                 v++;
  73         }
  74         while (*++v) {
  75
  76                 fd = open(*v, O_RDONLY);
  77                 if (fd < 0) {
  78                         perror(*v);
  79                         continue;
  80                 }
  81                 if (ioctl(fd, ENCIOC_GETNELM, (caddr_t) &nobj) < 0) {
  82                         perror("ENCIOC_GETNELM");
  83                         (void) close(fd);
  84                         continue;
  85                 }
  86                 if (ioctl(fd, ENCIOC_GETENCSTAT, (caddr_t) &estat) < 0) {
  87                         perror("ENCIOC_GETENCSTAT");
  88                         (void) close(fd);
  89                         continue;
  90                 }
  91                 if ((verbose == 0 || quiet == 1) && estat == 0) {
  92                         if (quiet == 0)
  93                                 fprintf(stdout, "%s: Enclosure OK\n", *v);
  94                         (void) close(fd);
  95                         continue;
  96                 }
  97                 fprintf(stdout, "%s: Enclosure Status ", *v);
  98                 if (estat == 0) {
  99                         fprintf(stdout, "<OK");
 100                 } else {
 101                         errors++;
 102                         f = '<';
 103                         if (estat & SES_ENCSTAT_INFO) {
 104                                 fprintf(stdout, "%cINFO", f);
 105                                 f = ',';
 106                         }
 107                         if (estat & SES_ENCSTAT_NONCRITICAL) {
 108                                 fprintf(stdout, "%cNONCRITICAL", f);
 109                                 f = ',';
 110                         }
 111                         if (estat & SES_ENCSTAT_CRITICAL) {
 112                                 fprintf(stdout, "%cCRITICAL", f);
 113                                 f = ',';
 114                         }
 115                         if (estat & SES_ENCSTAT_UNRECOV) {
 116                                 fprintf(stdout, "%cUNRECOV", f);
 117                                 f = ',';
 118                         }
 119                 }
 120                 fprintf(stdout, ">\n");
 121                 objp = calloc(nobj, sizeof (encioc_element_t));
 122                 if (objp == NULL) {
 123                         perror("calloc");
 124                         (void) close(fd);
 125                         continue;
 126                 }
 127                 if (ioctl(fd, ENCIOC_GETELMMAP, (caddr_t) objp) < 0) {
 128                         perror("ENCIOC_GETELMMAP");
 129                         (void) close(fd);
 130                         continue;
 131                 }
 132                 for (i = 0; i < nobj; i++) {
 133                         ob.elm_idx = objp[i].elm_idx;
 134                         if (ioctl(fd, ENCIOC_GETELMSTAT, (caddr_t) &ob) < 0) {
 135                                 perror("ENCIOC_GETELMSTAT");
 136                                 (void) close(fd);
 137                                 break;
 138                         }
 139                         bzero(&objd, sizeof(objd));
 140                         objd.elm_idx = objp[i].elm_idx;
 141                         objd.elm_desc_len = UINT16_MAX;
 142                         objd.elm_desc_str = calloc(UINT16_MAX, sizeof(char));
 143                         if (objd.elm_desc_str == NULL) {
 144                                 perror("calloc");
 145                                 (void) close(fd);
 146                                 continue;
 147                         }
 148                         if (ioctl(fd, ENCIOC_GETELMDESC, (caddr_t)&objd) < 0) {
 149                                 perror("ENCIOC_GETELMDESC");
 150                                 (void) close(fd);
 151                                 break;
 152                         }
 153                         bzero(&objdn, sizeof(objdn));
 154                         objdn.elm_idx = objp[i].elm_idx;
 155                         objdn.elm_names_size = 128;
 156                         objdn.elm_devnames = calloc(128, sizeof(char));
 157                         if (objdn.elm_devnames == NULL) {
 158                                 perror("calloc");
 159                                 (void) close(fd);
 160                                 break;
 161                         }
 162                         /*
 163                          * This ioctl isn't critical and has a good chance
 164                          * of returning -1.
 165                          */
 166                         (void)ioctl(fd, ENCIOC_GETELMDEVNAMES, (caddr_t)&objdn);
 167                         fprintf(stdout, "Element 0x%x: %s", ob.elm_idx,
 168                             geteltnm(objp[i].elm_type));
 169                         fprintf(stdout, ", %s",
 170                             stat2ascii(objp[i].elm_type, ob.cstat));
 171                         if (objd.elm_desc_len > 0)
 172                                 fprintf(stdout, ", descriptor: '%s'",
 173                                     objd.elm_desc_str);
 174                         if (objdn.elm_names_len > 0)
 175                                 fprintf(stdout, ", dev: '%s'",
 176                                     objdn.elm_devnames);
 177                         fprintf(stdout, "\n");
 178                         free(objdn.elm_devnames);
 179                 }
 180                 free(objp);
 181                 (void) close(fd);
 182         }
 183         return (errors);
 184 }