src/include/dimm_info_util.h

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