X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=bertos%2Fio%2Fkblock.h;h=c0d23e03687b69ea95848fbb3b2fc762f91bc715;hb=3715319745d93d6f552b72a5321e8dc3b595a96d;hp=4dffe18b198ed96d9c5bd3e7d747cdba10c7682b;hpb=e82e288c6eff0fe9dcbd1c815144f07a520384f2;p=bertos.git

diff --git a/bertos/io/kblock.h b/bertos/io/kblock.h
index 4dffe18b..c0d23e03 100644
--- a/bertos/io/kblock.h
+++ b/bertos/io/kblock.h
@@ -57,10 +57,13 @@ struct KBlock;
  *  \{
  */
 typedef size_t (* kblock_read_direct_t) (struct KBlock *b, block_idx_t index, void *buf, size_t offset, size_t size);
+typedef int    (* kblock_write_block_t) (struct KBlock *b, block_idx_t index, const void *buf);
+
 typedef size_t (* kblock_read_t)        (struct KBlock *b, void *buf, size_t offset, size_t size);
 typedef size_t (* kblock_write_t)       (struct KBlock *b, const void *buf, size_t offset, size_t size);
 typedef int    (* kblock_load_t)        (struct KBlock *b, block_idx_t index);
 typedef int    (* kblock_store_t)       (struct KBlock *b, block_idx_t index);
+
 typedef int    (* kblock_error_t)       (struct KBlock *b);
 typedef int    (* kblock_clearerr_t)    (struct KBlock *b);
 typedef int    (* kblock_close_t)       (struct KBlock *b);
@@ -72,11 +75,13 @@ typedef int    (* kblock_close_t)       (struct KBlock *b);
 typedef struct KBlockVTable
 {
 	kblock_read_direct_t readDirect;
-    kblock_read_t  readBuf;
+	kblock_write_block_t writeBlock;
+	
+	kblock_read_t  readBuf;
 	kblock_write_t writeBuf;
 	kblock_load_t  load;
 	kblock_store_t store;
-
+		
 	kblock_error_t    error;    ///< \sa kblock_error()
 	kblock_clearerr_t clearerr; ///< \sa kblock_clearerr()
 
@@ -84,6 +89,9 @@ typedef struct KBlockVTable
 } KBlockVTable;
 
 
+#define KB_BUFFERED    BV(0)
+#define KB_CACHE_DIRTY BV(1)
+
 /**
  * KBlock private members.
  * These are the private members of the KBlock class, please do not
@@ -93,11 +101,11 @@ typedef struct KBlockPriv
 {
 	DB(id_t type);         ///< Used to keep track, at runtime, of the class type.
 	int flags;             ///< Status and error flags.
+	void *buf;
 	block_idx_t blk_start; ///< Start block number when the device is trimmed. \sa kblock_trim()
 	block_idx_t curr_blk;
-	bool cache_dirty;
 
-	struct KBlockVTable *vt; ///< Virtual table of interface functions.
+	const struct KBlockVTable *vt; ///< Virtual table of interface functions.
 } KBlockPriv;
 
 /**
@@ -117,7 +125,7 @@ typedef struct KBlock
 {
 	KBlockPriv priv;         ///< Interface private data, do not use directly.
 
-	/* Public access members/methods */
+	/* Public access members */
 	size_t blk_size;         ///< Block size.
 	block_idx_t blk_cnt;     ///< Number of blocks available in the device.
 } KBlock;
@@ -215,12 +223,34 @@ INLINE int kblock_close(struct KBlock *b)
 	return b->priv.vt->close(b);
 }
 
-size_t kblock_read(struct KBlock *b, block_idx_t idx, void *buf, size_t offset, size_t size);
+INLINE bool kblock_cacheDirty(struct KBlock *b)
+{
+	ASSERT(b);
+	return (b->priv.flags & KB_CACHE_DIRTY);
+}
 
-int kblock_flush(struct KBlock *b);
+INLINE block_idx_t kblock_cachedBlock(struct KBlock *b)
+{
+	return b->priv.curr_blk;
+}
+
+INLINE bool kblock_buffered(struct KBlock *b)
+{
+	ASSERT(b);
+	return (b->priv.flags & KB_BUFFERED);
+}
+
+size_t kblock_read(struct KBlock *b, block_idx_t idx, void *buf, size_t offset, size_t size);
 
 size_t kblock_write(struct KBlock *b, block_idx_t idx, const void *buf, size_t offset, size_t size);
 
+int kblock_flush(struct KBlock *b);
+
 int kblock_copy(struct KBlock *b, block_idx_t idx1, block_idx_t idx2);
 
+int kblock_swLoad(struct KBlock *b, block_idx_t index);
+int kblock_swStore(struct KBlock *b, block_idx_t index);
+size_t kblock_swReadBuf(struct KBlock *b, void *buf, size_t offset, size_t size);
+size_t kblock_swWriteBuf(struct KBlock *b, const void *buf, size_t offset, size_t size);
+
 #endif /* IO_KBLOCK_H */