DiskTool - Added LVM support

[tpg/acess2.git] / Tools / DiskTool / src / actions.c

diff --git a/Tools/DiskTool/src/actions.c b/Tools/DiskTool/src/actions.c
index 6cbd7b8..43748d8 100644 (file)
--- a/Tools/DiskTool/src/actions.c
+++ b/Tools/DiskTool/src/actions.c
@@ -8,6 +8,7 @@
  */
 #include <acess.h>
 #include <disktool_common.h>
+#include <Storage/LVM/include/lvm.h>
 
 // === IMPORTS ===
 extern int     NativeFS_Install(char **Arguments);
@@ -15,6 +16,15 @@ extern int   NativeFS_Install(char **Arguments);
 // === PROTOTYPES ===
 void   DiskTool_Initialise(void)       __attribute__((constructor(101)));
  int   DiskTool_int_TranslateOpen(const char *File, int Mode);
+ int   DiskTook_LVM_Read(void *Handle, Uint64 Block, size_t BlockCount, void *Dest);
+ int   DiskTook_LVM_Write(void *Handle, Uint64 Block, size_t BlockCount, const void *Dest);
+
+// === GLOBALS ===
+tLVM_VolType   gDiskTool_VolumeType = {
+       .Name = "DiskTool",
+       .Read  = DiskTook_LVM_Read,
+       .Write = DiskTook_LVM_Write
+};
 
 // === CODE ===
 void DiskTool_Initialise(void)
@@ -25,6 +35,16 @@ void DiskTool_Initialise(void)
        VFS_Mount("/", "/Native", "nativefs", "");
 }
 
+int DiskTool_RegisterLVM(const char *Identifier, const char *Path)
+{
+       int fd = DiskTool_int_TranslateOpen(Path, VFS_OPENFLAG_READ|VFS_OPENFLAG_WRITE);
+       if(fd == -1)
+               return -1;
+       VFS_Seek(fd, 0, SEEK_END);
+       LVM_AddVolume( &gDiskTool_VolumeType, Identifier, (void*)(tVAddr)fd, 512, VFS_Tell(fd)/512);
+       return 0;
+}
+
 int DiskTool_MountImage(const char *Identifier, const char *Path)
 {
        // Validate Identifier and make mountpoint string
@@ -95,6 +115,17 @@ int DiskTool_ListDirectory(const char *Directory)
        return 0;
 }
 
+int DiskTook_LVM_Read(void *Handle, Uint64 Block, size_t BlockCount, void *Dest)
+{
+       VFS_ReadAt( (int)(tVAddr)Handle, Block*512, BlockCount*512, Dest);
+       return 0;
+}
+int DiskTook_LVM_Write(void *Handle, Uint64 Block, size_t BlockCount, const void *Dest)
+{
+       VFS_WriteAt( (int)(tVAddr)Handle, Block*512, BlockCount*512, Dest);
+       return 0;
+}
+
 // --- Internal helpers ---
 int DiskTool_int_TranslateOpen(const char *File, int Flags)
 {