efi_loader: separate UEFI variable API from implemementation

Separate the remaining UEFI variable API functions GetNextVariableName and
QueryVariableInfo() from internal functions implementing them.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>

1 files changed, 39 insertions, 0 deletions

diff --git a/include/efi_variable.h b/include/efi_variable.h
index 6789118eba..3ba274fce1 100644
--- a/include/efi_variable.h
+++ b/include/efi_variable.h
@@ -40,4 +40,43 @@ efi_status_t efi_set_variable_int(u16 *variable_name, const efi_guid_t *vendor,
 				  u32 attributes, efi_uintn_t data_size,
 				  const void *data, bool ro_check);
 
+/**
+ * efi_get_next_variable_name_int() - enumerate the current variable names
+ *
+ * @variable_name_size:	size of variable_name buffer in byte
+ * @variable_name:	name of uefi variable's name in u16
+ * @vendor:		vendor's guid
+ *
+ * See the Unified Extensible Firmware Interface (UEFI) specification for
+ * details.
+ *
+ * Return: status code
+ */
+efi_status_t efi_get_next_variable_name_int(efi_uintn_t *variable_name_size,
+					    u16 *variable_name,
+					    efi_guid_t *vendor);
+
+/**
+ * efi_query_variable_info_int() - get information about EFI variables
+ *
+ * This function implements the QueryVariableInfo() runtime service.
+ *
+ * See the Unified Extensible Firmware Interface (UEFI) specification for
+ * details.
+ *
+ * @attributes:				bitmask to select variables to be
+ *					queried
+ * @maximum_variable_storage_size:	maximum size of storage area for the
+ *					selected variable types
+ * @remaining_variable_storage_size:	remaining size of storage are for the
+ *					selected variable types
+ * @maximum_variable_size:		maximum size of a variable of the
+ *					selected type
+ * Returns:				status code
+ */
+efi_status_t efi_query_variable_info_int(u32 attributes,
+					 u64 *maximum_variable_storage_size,
+					 u64 *remaining_variable_storage_size,
+					 u64 *maximum_variable_size);
+
 #endif