efi_loader: EFI_PXE_BASE_CODE_PROTOCOL stub

[oweals/u-boot.git] / lib / efi_loader / efi_variable.c

diff --git a/lib/efi_loader/efi_variable.c b/lib/efi_loader/efi_variable.c
index d6b75ca02e456c81be79d32f648cad65bd24e398..6687b69a400d724b50372653575ace95c20fa551 100644 (file)
--- a/lib/efi_loader/efi_variable.c
+++ b/lib/efi_loader/efi_variable.c
@@ -5,11 +5,12 @@
  *  Copyright (c) 2017 Rob Clark
  */
 
+#include <env.h>
 #include <malloc.h>
 #include <charset.h>
 #include <efi_loader.h>
 #include <hexdump.h>
-#include <environment.h>
+#include <env_internal.h>
 #include <search.h>
 #include <uuid.h>
 
@@ -263,8 +264,8 @@ static char *efi_cur_variable;
  * is the size of variable name including NULL.
  *
  * Return:             EFI_SUCCESS if parsing is OK, EFI_NOT_FOUND when
-                       the entire variable list has been returned,
-                       otherwise non-zero status code
+ *                     the entire variable list has been returned,
+ *                     otherwise non-zero status code
  */
 static efi_status_t parse_uboot_variable(char *variable,
                                         efi_uintn_t *variable_name_size,
@@ -315,6 +316,7 @@ static efi_status_t parse_uboot_variable(char *variable,
 
 /**
  * efi_get_next_variable_name() - 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
@@ -322,8 +324,7 @@ static efi_status_t parse_uboot_variable(char *variable,
  * This function implements the GetNextVariableName service.
  *
  * See the Unified Extensible Firmware Interface (UEFI) specification for
- * details: http://wiki.phoenix.com/wiki/index.php/
- *             EFI_RUNTIME_SERVICES#GetNextVariableName.28.29
+ * details.
  *
  * Return: status code
  */
@@ -520,3 +521,103 @@ out:
 
        return EFI_EXIT(ret);
 }
+
+/**
+ * efi_query_variable_info() - 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_runtime EFIAPI efi_query_variable_info(
+                       u32 attributes,
+                       u64 *maximum_variable_storage_size,
+                       u64 *remaining_variable_storage_size,
+                       u64 *maximum_variable_size)
+{
+       return EFI_UNSUPPORTED;
+}
+
+/**
+ * efi_get_variable_runtime() - runtime implementation of GetVariable()
+ *
+ * @variable_name:     name of the variable
+ * @vendor:            vendor GUID
+ * @attributes:                attributes of the variable
+ * @data_size:         size of the buffer to which the variable value is copied
+ * @data:              buffer to which the variable value is copied
+ * Return:             status code
+ */
+static efi_status_t __efi_runtime EFIAPI
+efi_get_variable_runtime(u16 *variable_name, const efi_guid_t *vendor,
+                        u32 *attributes, efi_uintn_t *data_size, void *data)
+{
+       return EFI_UNSUPPORTED;
+}
+
+/**
+ * efi_get_next_variable_name_runtime() - runtime implementation of
+ *                                       GetNextVariable()
+ *
+ * @variable_name_size:        size of variable_name buffer in byte
+ * @variable_name:     name of uefi variable's name in u16
+ * @vendor:            vendor's guid
+ * Return: status code
+ */
+static efi_status_t __efi_runtime EFIAPI
+efi_get_next_variable_name_runtime(efi_uintn_t *variable_name_size,
+                                  u16 *variable_name, const efi_guid_t *vendor)
+{
+       return EFI_UNSUPPORTED;
+}
+
+/**
+ * efi_set_variable_runtime() - runtime implementation of SetVariable()
+ *
+ * @variable_name:     name of the variable
+ * @vendor:            vendor GUID
+ * @attributes:                attributes of the variable
+ * @data_size:         size of the buffer with the variable value
+ * @data:              buffer with the variable value
+ * Return:             status code
+ */
+static efi_status_t __efi_runtime EFIAPI
+efi_set_variable_runtime(u16 *variable_name, const efi_guid_t *vendor,
+                        u32 attributes, efi_uintn_t data_size,
+                        const void *data)
+{
+       return EFI_UNSUPPORTED;
+}
+
+/**
+ * efi_variables_boot_exit_notify() - notify ExitBootServices() is called
+ */
+void efi_variables_boot_exit_notify(void)
+{
+       efi_runtime_services.get_variable = efi_get_variable_runtime;
+       efi_runtime_services.get_next_variable_name =
+                               efi_get_next_variable_name_runtime;
+       efi_runtime_services.set_variable = efi_set_variable_runtime;
+       efi_update_table_header_crc32(&efi_runtime_services.hdr);
+}
+
+/**
+ * efi_init_variables() - initialize variable services
+ *
+ * Return:     status code
+ */
+efi_status_t efi_init_variables(void)
+{
+       return EFI_SUCCESS;
+}