usr/src/cmd/srptsvc/srptsvc.c

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21 /*
  22  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
  23  * Use is subject to license terms.
  24  */
  25
  26 #include <stdio.h>
  27 #include <libintl.h>
  28 #include <sys/types.h>
  29 #include <sys/stat.h>
  30 #include <fcntl.h>
  31 #include <locale.h>
  32 #include <errno.h>
  33 #include <unistd.h>
  34 #include <strings.h>
  35 #include <libscf.h>     /* for SMF error exit codes */
  36
  37 #include <srpt_ioctl.h>
  38
  39
  40 /* Globals */
  41 char    cmdName[] = "svc-srpt";
  42
  43 int
  44 main(int argc, char *argv[])
  45 {
  46         int             ret;
  47         boolean_t       do_enable = B_FALSE;
  48         int             srpt_ioctl;
  49         int             fd = -1;
  50         int             saverr;
  51         char            *txt;
  52         struct stat     statbuf;
  53
  54         (void) setlocale(LC_ALL, "");
  55
  56         if (argc < 2 || argc > 2) {
  57                 goto usage;
  58         }
  59
  60         if (strcasecmp(argv[1], "start") == 0) {
  61                 do_enable = B_TRUE;
  62                 srpt_ioctl = SRPT_IOC_ENABLE_SVC;
  63         } else if (strcasecmp(argv[1], "stop") == 0)  {
  64                 srpt_ioctl = SRPT_IOC_DISABLE_SVC;
  65         } else {
  66                 goto usage;
  67         }
  68
  69         fd = open(SRPT_NODE, O_RDONLY);
  70         if (fd < 0) {
  71                 saverr = errno;
  72
  73                 (void) fprintf(stderr, "%s: %s (%s): %s\n", cmdName,
  74                     gettext("Could not open SRP Target pseudodevice"),
  75                     SRPT_NODE, strerror(saverr));
  76
  77                 if (saverr == ENOENT) {
  78                         /* avoid having the service go into maintenance */
  79                         if ((stat("/devices/ib", &statbuf)) != 0) {
  80                                 (void) fprintf(stderr, "%s: %s\n", cmdName,
  81                                     gettext(
  82                                     "No InfiniBand devices on this system."));
  83                         }
  84                         ret = 0;
  85
  86                 } else {
  87                         ret = SMF_EXIT_ERR_FATAL; /* avoid retries */
  88                 }
  89
  90                 (void) fprintf(stderr, "%s: %s\n", cmdName,
  91                     gettext("SRPT Driver may not be loaded."));
  92
  93                 return (ret);
  94         }
  95
  96         ret = ioctl(fd, srpt_ioctl, NULL);
  97         if (ret != 0) {
  98                 if (do_enable) {
  99                         txt = gettext("Could not enable SRP Target");
 100                 } else {
 101                         txt = gettext("Could not disable SRP Target");
 102                 }
 103
 104                 (void) fprintf(stderr, "%s: %d", txt, ret);
 105                 ret = SMF_EXIT_ERR_FATAL;
 106         }
 107
 108         (void) close(fd);
 109
 110         return (ret);
 111
 112 usage:
 113         (void) fprintf(stderr, gettext("Usage: %s start|stop"), cmdName);
 114         (void) fprintf(stderr, "\n");
 115
 116         return (1);
 117 }