GRUB2/MOD_SRC/grub-2.04/include/grub/smbios.h

   1 /*
   2  *  GRUB  --  GRand Unified Bootloader
   3  *  Copyright (C) 2019  Free Software Foundation, Inc.
   4  *
   5  *  GRUB is free software: you can redistribute it and/or modify
   6  *  it under the terms of the GNU General Public License as published by
   7  *  the Free Software Foundation, either version 3 of the License, or
   8  *  (at your option) any later version.
   9  *
  10  *  GRUB is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *  GNU General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU General Public License
  16  *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
  17  */
  18
  19 #ifndef GRUB_SMBIOS_HEADER
  20 #define GRUB_SMBIOS_HEADER      1
  21
  22 #include <grub/symbol.h>
  23 #include <grub/types.h>
  24
  25 #define GRUB_SMBIOS_TYPE_END_OF_TABLE ((grub_uint8_t)127)
  26
  27 struct grub_smbios_ieps
  28 {
  29   grub_uint8_t anchor[5]; /* "_DMI_" */
  30   grub_uint8_t checksum;
  31   grub_uint16_t table_length;
  32   grub_uint32_t table_address;
  33   grub_uint16_t structures;
  34   grub_uint8_t revision;
  35 } GRUB_PACKED;
  36
  37 struct grub_smbios_eps
  38 {
  39   grub_uint8_t anchor[4]; /* "_SM_" */
  40   grub_uint8_t checksum;
  41   grub_uint8_t length; /* 0x1f */
  42   grub_uint8_t version_major;
  43   grub_uint8_t version_minor;
  44   grub_uint16_t maximum_structure_size;
  45   grub_uint8_t revision;
  46   grub_uint8_t formatted[5];
  47   struct grub_smbios_ieps intermediate;
  48 } GRUB_PACKED;
  49
  50 struct grub_smbios_eps3
  51 {
  52   grub_uint8_t anchor[5]; /* "_SM3_" */
  53   grub_uint8_t checksum;
  54   grub_uint8_t length; /* 0x18 */
  55   grub_uint8_t version_major;
  56   grub_uint8_t version_minor;
  57   grub_uint8_t docrev;
  58   grub_uint8_t revision;
  59   grub_uint8_t reserved;
  60   grub_uint32_t maximum_table_length;
  61   grub_uint64_t table_address;
  62 } GRUB_PACKED;
  63
  64 extern struct grub_smbios_eps *grub_machine_smbios_get_eps (void);
  65 extern struct grub_smbios_eps3 *grub_machine_smbios_get_eps3 (void);
  66
  67 extern struct grub_smbios_eps *EXPORT_FUNC (grub_smbios_get_eps) (void);
  68
  69 #endif /* ! GRUB_SMBIOS_HEADER */