sys/compat/irix/irix_systeminfo.c

   1 /*      $NetBSD: irix_systeminfo.c,v 1.15 2007/12/20 23:02:51 dsl Exp $ */
   2
   3 /*-
   4  * Copyright (c) 2002 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by Emmanuel Dreyfus.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  29  * POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32 #include <sys/cdefs.h>
  33 __KERNEL_RCSID(0, "$NetBSD: irix_systeminfo.c,v 1.15 2007/12/20 23:02:51 dsl Exp $");
  34
  35 #include <sys/types.h>
  36 #include <sys/signal.h>
  37 #include <sys/param.h>
  38 #include <sys/mount.h>
  39 #include <sys/kernel.h>
  40 #include <sys/proc.h>
  41 #include <sys/systm.h>
  42 #include <sys/sysctl.h>
  43 #include <sys/syscallargs.h>
  44
  45 #include <compat/common/compat_util.h>
  46
  47 #include <compat/svr4/svr4_systeminfo.h>
  48 #include <compat/svr4/svr4_types.h>
  49 #include <compat/svr4/svr4_signal.h>
  50 #include <compat/svr4/svr4_ucontext.h>
  51 #include <compat/svr4/svr4_lwp.h>
  52 #include <compat/svr4/svr4_syscallargs.h>
  53
  54 #include <compat/irix/irix_types.h>
  55 #include <compat/irix/irix_signal.h>
  56 #include <compat/irix/irix_sysctl.h>
  57 #include <compat/irix/irix_syscallargs.h>
  58
  59 char irix_si_vendor[128] = "Silicon Graphics, Inc.";
  60 char irix_si_os_provider[128] = "Silicon Graphics, Inc.";
  61 char irix_si_os_name[128] = "IRIX";
  62 char irix_si_hw_name[128] = "IP22"; /* XXX */
  63 char irix_si_osrel_maj[128] = "6";
  64 char irix_si_osrel_min[128] = "5";
  65 char irix_si_osrel_patch[128] = "0";
  66 char irix_si_processors[128] = "R5000 1.0"; /* XXX */
  67 char irix_si_version[128] = "04131232";
  68
  69 #define BUF_SIZE 16
  70
  71 int
  72 irix_sys_systeminfo(struct lwp *l, const struct irix_sys_systeminfo_args *uap, register_t *retval)
  73 {
  74         /* {
  75                 syscallarg(int) what;
  76                 syscallarg(char *) buf;
  77                 syscallarg(long) len;
  78         } */
  79         const char *str = NULL;
  80         char strbuf[BUF_SIZE + 1];
  81         int error = 0;
  82         size_t len = 0;
  83         char buf[256];
  84
  85         u_int rlen = SCARG(uap, len);
  86
  87         switch (SCARG(uap, what)) {
  88         case SVR4_MIPS_SI_VENDOR:
  89                 str = irix_si_vendor;
  90                 break;
  91
  92         case SVR4_MIPS_SI_OS_PROVIDER:
  93                 str = irix_si_os_provider;
  94                 break;
  95
  96         case SVR4_MIPS_SI_OS_NAME:
  97                 str = irix_si_os_name;
  98                 break;
  99
 100         case SVR4_MIPS_SI_HW_NAME:
 101                 str = irix_si_hw_name;
 102                 break;
 103
 104         case SVR4_MIPS_SI_OSREL_MAJ:
 105                 str = irix_si_osrel_maj;
 106                 break;
 107
 108         case SVR4_MIPS_SI_OSREL_MIN:
 109                 str = irix_si_osrel_min;
 110                 break;
 111
 112         case SVR4_MIPS_SI_OSREL_PATCH:
 113                 str = irix_si_osrel_patch;
 114                 break;
 115
 116         case SVR4_MIPS_SI_PROCESSORS:
 117                 str = irix_si_processors;
 118                 break;
 119
 120         case SVR4_MIPS_SI_NUM_PROCESSORS:
 121         case SVR4_MIPS_SI_AVAIL_PROCESSORS: {
 122                 snprintf(strbuf, BUF_SIZE, "%d", ncpu);
 123                 str = strbuf;
 124                 break;
 125         }
 126
 127         case SVR4_SI_HW_SERIAL:
 128                 snprintf(strbuf, BUF_SIZE, "%d", (int32_t)hostid);
 129                 str = strbuf;
 130                 break;
 131
 132         case SVR4_MIPS_SI_HOSTID:
 133                 snprintf(strbuf, BUF_SIZE, "%08x", (int32_t)hostid);
 134                 str = strbuf;
 135                 break;
 136
 137         case SVR4_MIPS_SI_SERIAL: /* Unimplemented yet */
 138         default:
 139                 return svr4_sys_systeminfo(l, (const void *)uap, retval);
 140                 break;
 141         }
 142
 143         /*
 144          * This duplicates some code in
 145          * svr4_sys_systeminfo().
 146          * Ideally, it should be merged.
 147          */
 148         if (str) {
 149                 len = strlen(str) + 1;
 150                 if (len > rlen)
 151                         len = rlen;
 152
 153                 if (SCARG(uap, buf)) {
 154                         error = copyout(str, SCARG(uap, buf), len);
 155                         if (error)
 156                                 return error;
 157                         /* make sure we are NULL terminated */
 158                         buf[0] = '\0';
 159                         error = copyout(buf, &(SCARG(uap, buf)[len - 1]), 1);
 160                 }
 161                 else
 162                         error = 0;
 163         }
 164
 165         *retval = len;
 166         return error;
 167 }