Initial code for reading configuration from a file

sdk/xtdk/bltypes.h

@@ -45,7 +45,7 @@ typedef EFI_STATUS (*PBL_OPEN_XT_PROTOCOL)(OUT PVOID *ProtocolHandler, IN PEFI_G
 typedef EFI_STATUS (*PBL_READ_FILE)(IN PEFI_FILE_HANDLE DirHandle, IN CONST PWCHAR FileName, OUT PVOID *FileData, OUT PSIZE_T FileSize);
 typedef VOID (*PBL_SLEEP_EXECUTION)(IN ULONG_PTR Milliseconds);
 
-/* XTLDR Configuration data */
+/* XTLDR Configuration */
 typedef struct _XTBL_CONFIGURATION
 {
     PWCHAR Default;
@@ -56,6 +56,22 @@ typedef struct _XTBL_CONFIGURATION
     PWCHAR Tune;
 } XTBL_CONFIGURATION, *PXTBL_CONFIGURATION;
 
+/* XTLDR Configuration data */
+typedef struct _XTBL_INI_OPTION
+{
+    LIST_ENTRY Flink;
+    PWCHAR Name;
+    PWCHAR Value;
+} XTBL_INI_OPTION, *PXTBL_INI_OPTION;
+
+/* XTLDR Configuration section */
+typedef struct _XTBL_INI_SECTION
+{
+    LIST_ENTRY Flink;
+    LIST_ENTRY Options;
+    PWCHAR SectionName;
+} XTBL_INI_SECTION, *PXTBL_INI_SECTION;
+
 /* XTLDR Status data */
 typedef struct _XTBL_STATUS
 {