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cmd: efi: ESRT table debug print

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This commit enables the ESRT printing from the u-boot shell by invoking:
- efidebug capsule esrt

CC: Heinrich Schuchardt	<xypron.glpk@gmx.de>
CC: Sughosh Ganu <sughosh.ganu@linaro.org>
CC: AKASHI Takahiro <takahiro.akashi@linaro.org>
CC: Ilias Apalodimas <ilias.apalodimas@linaro.org>
CC: Andre Przywara <andre.przywara@arm.com>
CC: Alexander Graf <agraf@csgraf.de>
CC: nd@arm.com

Signed-off-by: Jose Marinho <jose.marinho@arm.com>
Reviwed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
This commit is contained in:
Jose Marinho 2021-03-11 13:18:51 +00:00 • committed by Heinrich Schuchardt
parent 64a8aae15c
commit aa31a87d7a
1 changed files with 84 additions and 0 deletions
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84
cmd/efidebug.c
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@ -131,6 +131,82 @@ static int do_efi_capsule_show(struct cmd_tbl *cmdtp, int flag,
return CMD_RET_SUCCESS;
}
#ifdef CONFIG_EFI_ESRT
#define EFI_ESRT_FW_TYPE_NUM 4
char *efi_fw_type_str[EFI_ESRT_FW_TYPE_NUM] = {"unknown", "system FW", "device FW",
"UEFI driver"};
#define EFI_ESRT_UPDATE_STATUS_NUM 9
char *efi_update_status_str[EFI_ESRT_UPDATE_STATUS_NUM] = {"success", "unsuccessful",
"insufficient resources", "incorrect version", "invalid format",
"auth error", "power event (AC)", "power event (batt)",
"unsatisfied dependencies"};
#define EFI_FW_TYPE_STR_GET(idx) (\
EFI_ESRT_FW_TYPE_NUM > (idx) ? efi_fw_type_str[(idx)] : "error"\
)
#define EFI_FW_STATUS_STR_GET(idx) (\
EFI_ESRT_UPDATE_STATUS_NUM > (idx) ? efi_update_status_str[(idx)] : "error"\
)
/**
* do_efi_capsule_esrt() - manage UEFI capsules
*
* @cmdtp: Command table
* @flag: Command flag
* @argc: Number of arguments
* @argv: Argument array
* Return: CMD_RET_SUCCESS on success,
* CMD_RET_USAGE or CMD_RET_RET_FAILURE on failure
*
* Implement efidebug "capsule esrt" sub-command.
* The prints the current ESRT table.
*
* efidebug capsule esrt
*/
static int do_efi_capsule_esrt(struct cmd_tbl *cmdtp, int flag,
int argc, char * const argv[])
{
struct efi_system_resource_table *esrt = NULL;
if (argc != 1)
return CMD_RET_USAGE;
for (int idx = 0; idx < systab.nr_tables; idx++)
if (!guidcmp(&efi_esrt_guid, &systab.tables[idx].guid))
esrt = (struct efi_system_resource_table *)systab.tables[idx].table;
if (!esrt) {
log_info("ESRT: table not present\n");
return CMD_RET_SUCCESS;
}
printf("========================================\n");
printf("ESRT: fw_resource_count=%d\n", esrt->fw_resource_count);
printf("ESRT: fw_resource_count_max=%d\n", esrt->fw_resource_count_max);
printf("ESRT: fw_resource_version=%lld\n", esrt->fw_resource_version);
for (int idx = 0; idx < esrt->fw_resource_count; idx++) {
printf("[entry %d]==============================\n", idx);
printf("ESRT: fw_class=%pUL\n", &esrt->entries[idx].fw_class);
printf("ESRT: fw_type=%s\n", EFI_FW_TYPE_STR_GET(esrt->entries[idx].fw_type));
printf("ESRT: fw_version=%d\n", esrt->entries[idx].fw_version);
printf("ESRT: lowest_supported_fw_version=%d\n",
esrt->entries[idx].lowest_supported_fw_version);
printf("ESRT: capsule_flags=%d\n",
esrt->entries[idx].capsule_flags);
printf("ESRT: last_attempt_version=%d\n",
esrt->entries[idx].last_attempt_version);
printf("ESRT: last_attempt_status=%s\n",
EFI_FW_STATUS_STR_GET(esrt->entries[idx].last_attempt_status));
}
printf("========================================\n");
return CMD_RET_SUCCESS;
}
#endif /* CONFIG_EFI_ESRT */
/**
* do_efi_capsule_res() - show a capsule update result
*
@ -223,6 +299,10 @@ static struct cmd_tbl cmd_efidebug_capsule_sub[] = {
"", ""),
U_BOOT_CMD_MKENT(show, CONFIG_SYS_MAXARGS, 1, do_efi_capsule_show,
"", ""),
#ifdef CONFIG_EFI_ESRT
U_BOOT_CMD_MKENT(esrt, CONFIG_SYS_MAXARGS, 1, do_efi_capsule_esrt,
"", ""),
#endif
U_BOOT_CMD_MKENT(disk-update, 0, 0, do_efi_capsule_on_disk_update,
"", ""),
U_BOOT_CMD_MKENT(result, CONFIG_SYS_MAXARGS, 1, do_efi_capsule_res,
@ -1703,6 +1783,10 @@ static char efidebug_help_text[] =
" - show capsule information\n"
"efidebug capsule result [<capsule result var>]\n"
" - show a capsule update result\n"
#ifdef CONFIG_EFI_ESRT
"efidebug capsule esrt\n"
" - print the ESRT\n"
#endif
"\n"
#endif
"efidebug devices\n"