X-Git-Url: http://www.aleph1.co.uk/gitweb/?p=yaffs2.git;a=blobdiff_plain;f=yaffs_guts.h;h=64929ed37c29b6e4debf22e83b1a38a288d33fa5;hp=643e5750954784e1cfb2cdd2a5ac6f4268eb4c76;hb=a78bce6f4a7042fa153ab32d2bb263ecf7d27b66;hpb=9c99932eb16ba64c6d3ba69145fe8c5d5b04274d

diff --git a/yaffs_guts.h b/yaffs_guts.h
index 643e575..64929ed 100644
--- a/yaffs_guts.h
+++ b/yaffs_guts.h
@@ -39,7 +39,7 @@
  * 2^(3*MAX_LEVEL+4)
  *
  * Thus a max level of 8 supports files with up to 2^^28 chunks which gives
- * a maximum file size of arounf 51Gbytees with 2k chunks.
+ * a maximum file size of around 512Gbytees with 2k chunks.
  */
 #define YAFFS_NTNODES_LEVEL0		16
 #define YAFFS_TNODES_LEVEL0_BITS	4
@@ -558,39 +558,6 @@ struct yaffs_param {
 
 	int enable_xattr;	/* Enable xattribs */
 
-	/* Tags marshalling functions.
-	 * If these are not set then defaults will be assigned.
-	 */
-	int (*write_chunk_tags_fn) (struct yaffs_dev *dev,
-				    int nand_chunk, const u8 *data,
-				    const struct yaffs_ext_tags *tags);
-	int (*read_chunk_tags_fn) (struct yaffs_dev *dev,
-				   int nand_chunk, u8 *data,
-				   struct yaffs_ext_tags *tags);
-
-	int (*query_block_fn) (struct yaffs_dev *dev, int block_no,
-			       enum yaffs_block_state *state,
-			       u32 *seq_number);
-	int (*mark_bad_fn) (struct yaffs_dev *dev, int block_no);
-
-	/* NAND driver access functions All required except
-	 * the deinitialise function which is optional.
-	 */
-
-	int (*drv_write_chunk_fn) (struct yaffs_dev *dev, int nand_chunk,
-				   const u8 *data, int data_len,
-				   const u8 *oob, int oob_len);
-	int (*drv_read_chunk_fn) (struct yaffs_dev *dev, int nand_chunk,
-				   u8 *data, int data_len,
-				   u8 *oob, int oob_len,
-				   enum yaffs_ecc_result *ecc_result);
-	int (*drv_erase_fn) (struct yaffs_dev *dev, int block_no);
-	int (*drv_mark_bad_fn) (struct yaffs_dev *dev, int block_no);
-	int (*drv_check_bad_fn) (struct yaffs_dev *dev, int block_no);
-	int (*drv_initialise_fn) (struct yaffs_dev *dev);
-	int (*drv_deinitialise_fn) (struct yaffs_dev *dev);
-
-
 	int max_objects;	/*
 				 * Set to limit the number of objects created.
 				 * 0 = no limit.
@@ -607,7 +574,7 @@ struct yaffs_param {
 	void (*sb_dirty_fn) (struct yaffs_dev *dev);
 
 	/*  Callback to control garbage collection. */
-	unsigned (*gc_control) (struct yaffs_dev *dev);
+	unsigned (*gc_control_fn) (struct yaffs_dev *dev);
 
 	/* Debug control flags. Don't use unless you know what you're doing */
 	int use_header_file_size;	/* Flag to determine if we should use
@@ -628,8 +595,39 @@ struct yaffs_param {
 
 };
 
+struct yaffs_driver {
+	int (*drv_write_chunk_fn) (struct yaffs_dev *dev, int nand_chunk,
+				   const u8 *data, int data_len,
+				   const u8 *oob, int oob_len);
+	int (*drv_read_chunk_fn) (struct yaffs_dev *dev, int nand_chunk,
+				   u8 *data, int data_len,
+				   u8 *oob, int oob_len,
+				   enum yaffs_ecc_result *ecc_result);
+	int (*drv_erase_fn) (struct yaffs_dev *dev, int block_no);
+	int (*drv_mark_bad_fn) (struct yaffs_dev *dev, int block_no);
+	int (*drv_check_bad_fn) (struct yaffs_dev *dev, int block_no);
+	int (*drv_initialise_fn) (struct yaffs_dev *dev);
+	int (*drv_deinitialise_fn) (struct yaffs_dev *dev);
+};
+
+struct yaffs_tags_handler {
+	int (*write_chunk_tags_fn) (struct yaffs_dev *dev,
+				    int nand_chunk, const u8 *data,
+				    const struct yaffs_ext_tags *tags);
+	int (*read_chunk_tags_fn) (struct yaffs_dev *dev,
+				   int nand_chunk, u8 *data,
+				   struct yaffs_ext_tags *tags);
+
+	int (*query_block_fn) (struct yaffs_dev *dev, int block_no,
+			       enum yaffs_block_state *state,
+			       u32 *seq_number);
+	int (*mark_bad_fn) (struct yaffs_dev *dev, int block_no);
+};
+
 struct yaffs_dev {
 	struct yaffs_param param;
+	struct yaffs_driver drv;
+	struct yaffs_tags_handler tagger;
 
 	/* Context storage. Holds extra OS specific data for this device */
 
@@ -976,6 +974,8 @@ u32 yaffs_get_group_base(struct yaffs_dev *dev, struct yaffs_tnode *tn,
 
 int yaffs_is_non_empty_dir(struct yaffs_obj *obj);
 
+int yaffs_format_dev(struct yaffs_dev *dev);
+
 void yaffs_addr_to_chunk(struct yaffs_dev *dev, loff_t addr,
 				int *chunk_out, u32 *offset_out);
 /*