[PATCH v4 11/16] cmd: env: add "-at" option to "env set -e" command

[AKASHI Takahiro]

With "-at" option, EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS
will be passed to SetVariable() to authenticate the variable.

Signed-off-by: AKASHI Takahiro <takahiro.akashi at linaro.org>
---
 cmd/nvedit.c     | 5 +++--
 cmd/nvedit_efi.c | 5 ++++-
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/cmd/nvedit.c b/cmd/nvedit.c
index 99a3bc57b15f..30cd655b7260 100644
--- a/cmd/nvedit.c
+++ b/cmd/nvedit.c
@@ -1399,7 +1399,7 @@ static char env_help_text[] =
 #endif
 #endif
 #if defined(CONFIG_CMD_NVEDIT_EFI)
-	"env set -e [-nv][-bs][-rt][-a][-i addr,size][-v] name [arg ...]\n"
+	"env set -e [-nv][-bs][-rt][-at][-a][-i addr,size][-v] name [arg ...]\n"
 	"    - set UEFI variable; unset if '-i' or 'arg' not specified\n"
 #endif
 	"env set [-f] name [arg ...]\n";
@@ -1461,13 +1461,14 @@ U_BOOT_CMD_COMPLETE(
 	setenv, CONFIG_SYS_MAXARGS, 0,	do_env_set,
 	"set environment variables",
 #if defined(CONFIG_CMD_NVEDIT_EFI)
-	"-e [-guid guid][-nv][-bs][-rt][-a][-v]\n"
+	"-e [-guid guid][-nv][-bs][-rt][-at][-a][-v]\n"
 	"        [-i addr,size name], or [name [value ...]]\n"
 	"    - set UEFI variable 'name' to 'value' ...'\n"
 	"      \"-guid\": set vendor guid\n"
 	"      \"-nv\": set non-volatile attribute\n"
 	"      \"-bs\": set boot-service attribute\n"
 	"      \"-rt\": set runtime attribute\n"
+	"      \"-at\": set time-based authentication attribute\n"
 	"      \"-a\": append-write\n"
 	"      \"-i addr,size\": use <addr,size> as variable's value\n"
 	"      \"-v\": verbose message\n"
diff --git a/cmd/nvedit_efi.c b/cmd/nvedit_efi.c
index 579cf430593c..837e39e02179 100644
--- a/cmd/nvedit_efi.c
+++ b/cmd/nvedit_efi.c
@@ -458,7 +458,7 @@ out:
  * Return:	CMD_RET_SUCCESS on success, or CMD_RET_RET_FAILURE
  *
  * This function is for "env set -e" or "setenv -e" command:
- *   => env set -e [-guid guid][-nv][-bs][-rt][-a][-v]
+ *   => env set -e [-guid guid][-nv][-bs][-rt][-at][-a][-v]
  *		   [-i address,size] var, or
  *                 var [value ...]
  * Encode values specified and set given UEFI variable.
@@ -517,6 +517,9 @@ int do_env_set_efi(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 			attributes |= EFI_VARIABLE_RUNTIME_ACCESS;
 		} else if (!strcmp(argv[0], "-nv")) {
 			attributes |= EFI_VARIABLE_NON_VOLATILE;
+		} else if (!strcmp(argv[0], "-at")) {
+			attributes |=
+			  EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS;
 		} else if (!strcmp(argv[0], "-a")) {
 			attributes |= EFI_VARIABLE_APPEND_WRITE;
 		} else if (!strcmp(argv[0], "-i")) {
-- 
2.24.0