src/include/dimm_info_util.h

   1 /* This file is part of the coreboot project. */
   2 /* SPDX-License-Identifier: GPL-2.0-only */
   3
   4 #ifndef _DIMM_INFO_UTIL_H_
   5 #define _DIMM_INFO_UTIL_H_
   6
   7 #include <smbios.h>
   8 #include <stdint.h>
   9
  10 /**
  11  * Convert the SMBIOS bit widths into an SPD encoded width.
  12  *
  13  * Use this when setting dimm_info.bus_width if the raw SPD values are not
  14  * available.
  15  */
  16 uint8_t smbios_bus_width_to_spd_width(uint16_t total_width,
  17                                       uint16_t data_width);
  18
  19 /**
  20  * Convert the SMBIOS size values into the total number of MiB.
  21  *
  22  * Use this when setting dimm_info.dimm_size.
  23  */
  24 uint32_t smbios_memory_size_to_mib(uint16_t memory_size,
  25                                    uint32_t extended_size);
  26
  27 /**
  28  * Convert the SMBIOS form factor to the SPD module type.
  29  *
  30  * Use this when setting dimm_info.mod_type.
  31  */
  32 uint8_t
  33 smbios_form_factor_to_spd_mod_type(smbios_memory_form_factor form_factor);
  34
  35 #endif