Import volumes suppport

xtldr2/includes/bootman.h

@@ -16,10 +16,31 @@
 typedef VOID (BMPRINTCHAR)(IN USHORT Character);
 
 /* XTLDR routines forward references */
+XTCDECL
+EFI_STATUS
+BlCloseVolume(IN PEFI_HANDLE VolumeHandle);
+
+XTCDECL
+EFI_STATUS
+BlEnumerateBlockDevices();
+
 XTCDECL
 EFI_STATUS
 BlExitBootServices(IN UINT_PTR MapKey);
 
+XTCDECL
+EFI_STATUS
+BlFindVolumeDevicePath(IN PEFI_DEVICE_PATH_PROTOCOL FsHandle,
+                       IN CONST PWCHAR FileSystemPath,
+                       OUT PEFI_DEVICE_PATH_PROTOCOL* DevicePath);
+
+XTCDECL
+EFI_STATUS
+BlGetVolumeDevicePath(IN PCHAR SystemPath,
+                      OUT PEFI_DEVICE_PATH_PROTOCOL *DevicePath,
+                      OUT PCHAR *ArcName,
+                      OUT PCHAR *Path);
+
 XTCDECL
 EFI_STATUS
 BlMemoryAllocatePages(IN UINT64 Pages,
@@ -30,6 +51,12 @@ EFI_STATUS
 BlMemoryAllocatePool(IN UINT_PTR Size,
                      OUT PVOID *Memory);
 
+XTCDECL
+EFI_STATUS
+BlOpenVolume(IN PEFI_DEVICE_PATH_PROTOCOL DevicePath,
+             OUT PEFI_HANDLE DiskHandle,
+             OUT PEFI_FILE_HANDLE *FsHandle);
+
 XTCDECL
 VOID
 BlConsoleClearScreen();
@@ -79,6 +106,34 @@ XTCDECL
 EFI_STATUS
 BlpActivateSerialIOController();
 
+XTCDECL
+EFI_STATUS
+BlpDiscoverEfiBlockDevices(OUT PLIST_ENTRY BlockDevices);
+
+XTCDECL
+EFI_STATUS
+BlpDissectVolumeArcPath(IN PCHAR SystemPath,
+                        OUT PCHAR *ArcName,
+                        OUT PCHAR *Path,
+                        OUT PUSHORT DriveType,
+                        OUT PULONG DriveNumber,
+                        OUT PULONG PartNumber);
+
+XTCDECL
+PEFI_DEVICE_PATH_PROTOCOL
+BlpDuplicateDevicePath(IN PEFI_DEVICE_PATH_PROTOCOL DevicePath);
+
+XTCDECL
+EFI_STATUS
+BlpFindLastBlockDeviceNode(IN PEFI_DEVICE_PATH_PROTOCOL DevicePath,
+                           OUT PEFI_DEVICE_PATH_PROTOCOL *LastNode);
+
+XTCDECL
+BOOLEAN
+BlpFindParentBlockDevice(IN PLIST_ENTRY BlockDevices,
+                         IN PEFI_BLOCK_DEVICE_DATA ChildNode,
+                         OUT PEFI_BLOCK_DEVICE_DATA ParentNode);
+
 XTCDECL
 VOID
 BlpParseCommandLineOptions(VOID);

xtldr2/includes/globals.h

@@ -24,6 +24,9 @@ EXTERN CPPORT BlpSerialPort;
 /* XT Boot Loader status data */
 EXTERN XTBL_STATUS BlpStatus;
 
+/* List of available block devices */
+EXTERN LIST_ENTRY EfiBlockDevices;
+
 /* EFI Image Handle */
 EXTERN EFI_HANDLE EfiImageHandle;