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efidebug: capsule: Add a command to update capsule on disk

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Add a efidebug subcommand to initiate a firmware update using the efi
firmware management protocol(fmp) set_image routine.

The firmware update can be initiated through

'efidebug capsule disk-update'

This would locate the efi capsule file on the efi system partition,
and call the platform's set_image fmp routine to initiate the firmware
update.

Signed-off-by: Sughosh Ganu <sughosh.ganu@linaro.org>
This commit is contained in:
Sughosh Ganu 2020-12-30 19:27:11 +05:30 • committed by Heinrich Schuchardt
parent 88a2ef2720
commit 7407595286
1 changed files with 14 additions and 0 deletions
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14
cmd/efidebug.c
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@ -79,6 +79,16 @@ static int do_efi_capsule_update(struct cmd_tbl *cmdtp, int flag,
return CMD_RET_SUCCESS; return CMD_RET_SUCCESS;
} }
static int do_efi_capsule_on_disk_update(struct cmd_tbl *cmdtp, int flag,
int argc, char * const argv[])
{
efi_status_t ret;
ret = efi_launch_capsules();
return ret == EFI_SUCCESS ? CMD_RET_SUCCESS : CMD_RET_FAILURE;
}
/** /**
* do_efi_capsule_show() - show capsule information * do_efi_capsule_show() - show capsule information
* *
@ -207,6 +217,8 @@ static struct cmd_tbl cmd_efidebug_capsule_sub[] = {
"", ""), "", ""),
U_BOOT_CMD_MKENT(show, CONFIG_SYS_MAXARGS, 1, do_efi_capsule_show, U_BOOT_CMD_MKENT(show, CONFIG_SYS_MAXARGS, 1, do_efi_capsule_show,
"", ""), "", ""),
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, U_BOOT_CMD_MKENT(result, CONFIG_SYS_MAXARGS, 1, do_efi_capsule_res,
"", ""), "", ""),
}; };
@ -1544,6 +1556,8 @@ static char efidebug_help_text[] =
#ifdef CONFIG_EFI_HAVE_CAPSULE_SUPPORT #ifdef CONFIG_EFI_HAVE_CAPSULE_SUPPORT
"efidebug capsule update [-v] <capsule address>\n" "efidebug capsule update [-v] <capsule address>\n"
" - process a capsule\n" " - process a capsule\n"
"efidebug capsule disk-update\n"
" - update a capsule from disk\n"
"efidebug capsule show <capsule address>\n" "efidebug capsule show <capsule address>\n"
" - show capsule information\n" " - show capsule information\n"
"efidebug capsule result [<capsule result var>]\n" "efidebug capsule result [<capsule result var>]\n"