src/drivers/ipmi/supermicro_oem.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <types.h>
   4
   5 #include <console/console.h>
   6 #include <drivers/ipmi/ipmi_if.h>
   7 #include <string.h>
   8 #include <version.h>
   9 #include "ipmi_supermicro_oem.h"
  10
  11 #define IPMI_NETFN_OEM 0x30
  12 #define IPMI_LUN0_AC_SET_BIOS_VER 0x100
  13 #define IPMI_LUN0_AC_SET_BIOS_DATE 0x101
  14 #define IPMI_LUN0_SET_BIOS_STRING 0xac
  15
  16 struct ipmi_oem_set_bios_str {
  17         uint16_t ver;
  18         char str[16]; // NULL terminated string
  19 } __packed;
  20
  21 static void set_coreboot_ver(const uint16_t kcs_port)
  22 {
  23         struct ipmi_oem_set_bios_str bios_ver;
  24         struct ipmi_rsp rsp;
  25         int ret;
  26         size_t i;
  27
  28         /* Only 8 characters are visible in UI. Cut of on first dash */
  29         for (i = 0; i < 15; i++) {
  30                 if (coreboot_version[i] == '-')
  31                         break;
  32                 bios_ver.str[i] = coreboot_version[i];
  33         }
  34         bios_ver.str[i] = 0;
  35         bios_ver.ver = IPMI_LUN0_AC_SET_BIOS_VER;
  36
  37         ret = ipmi_message(kcs_port, IPMI_NETFN_OEM, 0, IPMI_LUN0_SET_BIOS_STRING,
  38                            (const unsigned char *)&bios_ver, sizeof(bios_ver),
  39                            (unsigned char *)&rsp, sizeof(rsp));
  40         if (ret < sizeof(rsp) || rsp.completion_code) {
  41                 printk(BIOS_ERR, "BMC_IPMI: %s command failed (ret=%d resp=0x%x)\n",
  42                        __func__, ret, rsp.completion_code);
  43         }
  44 }
  45
  46 static void set_coreboot_date(const uint16_t kcs_port)
  47 {
  48         struct ipmi_oem_set_bios_str bios_ver;
  49         struct ipmi_rsp rsp;
  50         int ret;
  51
  52         strncpy(bios_ver.str, coreboot_dmi_date, 15);
  53         bios_ver.str[15] = 0;
  54         bios_ver.ver = IPMI_LUN0_AC_SET_BIOS_DATE;
  55
  56         ret = ipmi_message(kcs_port, IPMI_NETFN_OEM, 0, IPMI_LUN0_SET_BIOS_STRING,
  57                            (const unsigned char *)&bios_ver, sizeof(bios_ver),
  58                            (unsigned char *)&rsp, sizeof(rsp));
  59         if (ret < sizeof(rsp) || rsp.completion_code) {
  60                 printk(BIOS_ERR, "BMC_IPMI: %s command failed (ret=%d resp=0x%x)\n",
  61                        __func__, ret, rsp.completion_code);
  62         }
  63 }
  64
  65 void supermicro_ipmi_oem(const uint16_t kcs_port)
  66 {
  67         set_coreboot_ver(kcs_port);
  68         set_coreboot_date(kcs_port);
  69 }