yaffs direct: Add file descriptor layer in handle management

[yaffs2.git] / yaffs_ecc.h

diff --git a/yaffs_ecc.h b/yaffs_ecc.h
index 79bc3d117146d4d08f823dca2ec3700cc0c9bf9e..b0c461d699e674159363119b4ef999c8c6fddadb 100644 (file)
--- a/yaffs_ecc.h
+++ b/yaffs_ecc.h
@@ -1,7 +1,7 @@
 /*
  * YAFFS: Yet another Flash File System . A NAND-flash specific file system.
  *
- * Copyright (C) 2002-2007 Aleph One Ltd.
+ * Copyright (C) 2002-2010 Aleph One Ltd.
  *   for Toby Churchill Ltd and Brightstar Engineering
  *
  * Created by Charles Manning <charles@aleph1.co.uk>
@@ -13,32 +13,32 @@
  * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL.
  */
 
- /*
-  * This code implements the ECC algorithm used in SmartMedia.
-  *
-  * The ECC comprises 22 bits of parity information and is stuffed into 3 bytes.
-  * The two unused bit are set to 1.
-  * The ECC can correct single bit errors in a 256-byte page of data. Thus, two such ECC
-  * blocks are used on a 512-byte NAND page.
-  *
-  */
+/*
+ * This code implements the ECC algorithm used in SmartMedia.
+ *
+ * The ECC comprises 22 bits of parity information and is stuffed into 3 bytes.
+ * The two unused bit are set to 1.
+ * The ECC can correct single bit errors in a 256-byte page of data. Thus, two such ECC
+ * blocks are used on a 512-byte NAND page.
+ *
+ */
 
 #ifndef __YAFFS_ECC_H__
 #define __YAFFS_ECC_H__
 
-typedef struct {
-       unsigned char colParity;
-       unsigned lineParity;
-       unsigned lineParityPrime;
-} yaffs_ECCOther;
+struct yaffs_ecc_other {
+       unsigned char col_parity;
+       unsigned line_parity;
+       unsigned line_parity_prime;
+};
 
-void yaffs_ECCCalculate(const unsigned char *data, unsigned char *ecc);
-int yaffs_ECCCorrect(unsigned char *data, unsigned char *read_ecc,
-                    const unsigned char *test_ecc);
+void yaffs_ecc_cacl(const unsigned char *data, unsigned char *ecc);
+int yaffs_ecc_correct(unsigned char *data, unsigned char *read_ecc,
+                     const unsigned char *test_ecc);
 
-void yaffs_ECCCalculateOther(const unsigned char *data, unsigned nBytes,
-                            yaffs_ECCOther * ecc);
-int yaffs_ECCCorrectOther(unsigned char *data, unsigned nBytes,
-                         yaffs_ECCOther * read_ecc,
-                         const yaffs_ECCOther * test_ecc);
+void yaffs_ecc_calc_other(const unsigned char *data, unsigned n_bytes,
+                         struct yaffs_ecc_other *ecc);
+int yaffs_ecc_correct_other(unsigned char *data, unsigned n_bytes,
+                           struct yaffs_ecc_other *read_ecc,
+                           const struct yaffs_ecc_other *test_ecc);
 #endif