yaffs Fix xattrib headers for use with unicode

[yaffs2.git] / yaffs_guts.h

diff --git a/yaffs_guts.h b/yaffs_guts.h
index d08a6f6e8126cbbbb93aacdc006537ee85b99a64..ce9c385c6656b333b10646cb220c053ce6ca6825 100644 (file)
--- a/yaffs_guts.h
+++ b/yaffs_guts.h
@@ -16,8 +16,9 @@
 #ifndef __YAFFS_GUTS_H__
 #define __YAFFS_GUTS_H__
 
-#include "devextras.h"
 #include "yportenv.h"
+#include "devextras.h"
+#include "yaffs_list.h"
 
 #define YAFFS_OK       1
 #define YAFFS_FAIL  0
@@ -52,7 +53,6 @@
 
 #define YAFFS_MAX_CHUNK_ID             0x000FFFFF
 
-#define YAFFS_UNUSED_OBJECT_ID         0x0003FFFF
 
 #define YAFFS_ALLOCATION_NOBJECTS      100
 #define YAFFS_ALLOCATION_NTNODES       100
@@ -62,6 +62,7 @@
 
 
 #define YAFFS_OBJECT_SPACE             0x40000
+#define YAFFS_MAX_OBJECT_ID            (YAFFS_OBJECT_SPACE -1)
 
 #define YAFFS_CHECKPOINT_VERSION       4
 
@@ -516,7 +517,7 @@ typedef struct {
 
 
 struct yaffs_DeviceParamStruct {
-       const char *name;
+       const YCHAR *name;
 
        /*
          * Entry parameters set up way early. Yaffs sets up the rest.
@@ -598,6 +599,10 @@ struct yaffs_DeviceParamStruct {
        int disableSoftDelete;  /* yaffs 1 only: Set to disable the use of softdeletion. */
        
        int deferDirectoryUpdate; /* Set to defer directory updates */
+
+#ifdef CONFIG_YAFFS_AUTO_UNICODE
+       int autoUnicode;
+#endif
        
 };
 
@@ -608,7 +613,10 @@ struct yaffs_DeviceStruct {
 
         /* Context storage. Holds extra OS specific data for this device */
 
-       void *context;
+       void *osContext;
+       void *driverContext;
+
+       struct ylist_head devList;
 
        /* Runtime parameters. Set up by YAFFS. */
        int nDataBytesPerChunk; 
@@ -805,6 +813,23 @@ typedef struct {
 } yaffs_CheckpointValidity;
 
 
+struct yaffs_ShadowFixerStruct {
+       int objectId;
+       int shadowedId;
+       struct yaffs_ShadowFixerStruct *next;
+};
+
+/* Structure for doing xattr modifications */
+typedef struct {
+       int set; /* If 0 then this is a deletion */
+       const YCHAR *name;
+       const void *data;
+       int size;
+       int flags;
+       int result;
+}yaffs_XAttrMod;
+
+
 /*----------------------- YAFFS Functions -----------------------*/
 
 int yaffs_GutsInitialise(yaffs_Device *dev);
@@ -871,10 +896,10 @@ yaffs_Object *yaffs_MknodSpecial(yaffs_Object *parent, const YCHAR *name,
                                 __u32 mode, __u32 uid, __u32 gid, __u32 rdev);
 
 
-int yaffs_SetXAttribute(yaffs_Object *obj, const char *name, const void * value, int size, int flags);
-int yaffs_GetXAttribute(yaffs_Object *obj, const char *name, void *value, int size);
+int yaffs_SetXAttribute(yaffs_Object *obj, const YCHAR *name, const void * value, int size, int flags);
+int yaffs_GetXAttribute(yaffs_Object *obj, const YCHAR *name, void *value, int size);
 int yaffs_ListXAttributes(yaffs_Object *obj, char *buffer, int size);
-int yaffs_RemoveXAttribute(yaffs_Object *obj, const char *name);
+int yaffs_RemoveXAttribute(yaffs_Object *obj, const YCHAR *name);
 
 /* Special directories */
 yaffs_Object *yaffs_Root(yaffs_Device *dev);
@@ -896,7 +921,7 @@ int yaffs_DumpObject(yaffs_Object *obj);
 
 void yaffs_GutsTest(yaffs_Device *dev);
 
-/* A few useful functions */
+/* A few useful functions to be used within the core files*/
 void yaffs_InitialiseTags(yaffs_ExtendedTags *tags);
 void yaffs_DeleteChunk(yaffs_Device *dev, int chunkId, int markNAND, int lyn);
 int yaffs_CheckFF(__u8 *buffer, int nBytes);
@@ -905,5 +930,43 @@ void yaffs_HandleChunkError(yaffs_Device *dev, yaffs_BlockInfo *bi);
 __u8 *yaffs_GetTempBuffer(yaffs_Device *dev, int lineNo);
 void yaffs_ReleaseTempBuffer(yaffs_Device *dev, __u8 *buffer, int lineNo);
 
+yaffs_Object *yaffs_FindOrCreateObjectByNumber(yaffs_Device *dev,
+                                               int number,
+                                               yaffs_ObjectType type);
+int yaffs_PutChunkIntoFile(yaffs_Object *in, int chunkInInode,
+                               int chunkInNAND, int inScan);
+void yaffs_SetObjectName(yaffs_Object *obj, const YCHAR *name);
+void yaffs_SetObjectNameFromOH(yaffs_Object *obj, const yaffs_ObjectHeader *oh);
+void yaffs_AddObjectToDirectory(yaffs_Object *directory,
+                                       yaffs_Object *obj);
+YCHAR *yaffs_CloneString(const YCHAR *str);
+void yaffs_HardlinkFixup(yaffs_Device *dev, yaffs_Object *hardList);
+void yaffs_BlockBecameDirty(yaffs_Device *dev, int blockNo);
+int yaffs_UpdateObjectHeader(yaffs_Object *in, const YCHAR *name,
+                               int force, int isShrink, int shadows,
+                                yaffs_XAttrMod *xop);
+void yaffs_HandleShadowedObject(yaffs_Device *dev, int objId,
+                               int backwardScanning);
+int yaffs_CheckSpaceForAllocation(yaffs_Device *dev, int nChunks);
+yaffs_Tnode *yaffs_GetTnode(yaffs_Device *dev);
+yaffs_Tnode *yaffs_AddOrFindLevel0Tnode(yaffs_Device *dev,
+                                       yaffs_FileStructure *fStruct,
+                                       __u32 chunkId,
+                                       yaffs_Tnode *passedTn);
+void yaffs_VerifyObjects(yaffs_Device *dev);
+void yaffs_VerifyBlocks(yaffs_Device *dev);
+void yaffs_VerifyFreeChunks(yaffs_Device *dev);
+int yaffs_DoWriteDataToFile(yaffs_Object *in, const __u8 *buffer, loff_t offset,
+                       int nBytes, int writeThrough);
+void yaffs_ResizeDown( yaffs_Object *obj, loff_t newSize);
+void yaffs_SkipRestOfBlock(yaffs_Device *dev);
+
+int yaffs_CountFreeChunks(yaffs_Device *dev);
+
+yaffs_Tnode *yaffs_FindLevel0Tnode(yaffs_Device *dev,
+                               yaffs_FileStructure *fStruct,
+                               __u32 chunkId);
+
+__u32 yaffs_GetChunkGroupBase(yaffs_Device *dev, yaffs_Tnode *tn, unsigned pos);
 
 #endif