com32/gpllib/dmi/dmi_ipmi.c

   1 /* ----------------------------------------------------------------------- *
   2  *
   3  *   Portions of this file taken from the dmidecode project
   4  *
   5  *   Copyright (C) 2000-2002 Alan Cox <alan@redhat.com>
   6  *   Copyright (C) 2002-2008 Jean Delvare <khali@linux-fr.org>
   7  *
   8  *   This program is free software; you can redistribute it and/or modify
   9  *   it under the terms of the GNU General Public License as published by
  10  *   the Free Software Foundation; either version 2 of the License, or
  11  *   (at your option) any later version.
  12  *
  13  *   This program is distributed in the hope that it will be useful,
  14  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  *   GNU General Public License for more details.
  17  *
  18  *   You should have received a copy of the GNU General Public License
  19  *   along with this program; if not, write to the Free Software
  20  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  21  *
  22  *   For the avoidance of doubt the "preferred form" of this code is one which
  23  *   is in an open unpatent encumbered format. Where cryptographic key signing
  24  *   forms part of the process of creating an executable the information
  25  *   including keys needed to generate an equivalently functional executable
  26  *   are deemed to be part of the source code.
  27 */
  28
  29 #include <dmi/dmi.h>
  30 #include <stdio.h>
  31
  32 const char *dmi_ipmi_interface_type(uint8_t code)
  33 {
  34     /* 3.3.39.1 and IPMI 2.0, appendix C1, table C1-2 */
  35     static const char *type[] = {
  36         "Unknown",              /* 0x00 */
  37         "KCS (Keyboard Control Style)",
  38         "SMIC (Server Management Interface Chip)",
  39         "BT (Block Transfer)",
  40         "SSIF (SMBus System Interface)" /* 0x04 */
  41     };
  42
  43     if (code <= 0x04)
  44         return type[code];
  45     return out_of_spec;
  46 }
  47
  48 void dmi_ipmi_base_address(uint8_t type, const uint8_t * p, s_ipmi * ipmi)
  49 {
  50     if (type == 0x04) {         /* SSIF */
  51         ipmi->base_address = (*p) >> 1;
  52     } else {
  53         ipmi->base_address = QWORD(p);
  54     }
  55 }