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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
commit57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch)
tree5e910f0e82173f4ef4f51111366a3f1299037a7b /include/linux/mtd/nftl.h
Initial import
Diffstat (limited to 'include/linux/mtd/nftl.h')
-rw-r--r--include/linux/mtd/nftl.h72
1 files changed, 72 insertions, 0 deletions
diff --git a/include/linux/mtd/nftl.h b/include/linux/mtd/nftl.h
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+++ b/include/linux/mtd/nftl.h
@@ -0,0 +1,72 @@
+/*
+ * Copyright © 1999-2010 David Woodhouse <dwmw2@infradead.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ */
+
+#ifndef __MTD_NFTL_H__
+#define __MTD_NFTL_H__
+
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/blktrans.h>
+
+#include <mtd/nftl-user.h>
+
+/* these info are used in ReplUnitTable */
+#define BLOCK_NIL 0xffff /* last block of a chain */
+#define BLOCK_FREE 0xfffe /* free block */
+#define BLOCK_NOTEXPLORED 0xfffd /* non explored block, only used during mounting */
+#define BLOCK_RESERVED 0xfffc /* bios block or bad block */
+
+struct NFTLrecord {
+ struct mtd_blktrans_dev mbd;
+ __u16 MediaUnit, SpareMediaUnit;
+ __u32 EraseSize;
+ struct NFTLMediaHeader MediaHdr;
+ int usecount;
+ unsigned char heads;
+ unsigned char sectors;
+ unsigned short cylinders;
+ __u16 numvunits;
+ __u16 lastEUN; /* should be suppressed */
+ __u16 numfreeEUNs;
+ __u16 LastFreeEUN; /* To speed up finding a free EUN */
+ int head,sect,cyl;
+ __u16 *EUNtable; /* [numvunits]: First EUN for each virtual unit */
+ __u16 *ReplUnitTable; /* [numEUNs]: ReplUnitNumber for each */
+ unsigned int nb_blocks; /* number of physical blocks */
+ unsigned int nb_boot_blocks; /* number of blocks used by the bios */
+ struct erase_info instr;
+ struct nand_ecclayout oobinfo;
+};
+
+int NFTL_mount(struct NFTLrecord *s);
+int NFTL_formatblock(struct NFTLrecord *s, int block);
+
+int nftl_read_oob(struct mtd_info *mtd, loff_t offs, size_t len,
+ size_t *retlen, uint8_t *buf);
+int nftl_write_oob(struct mtd_info *mtd, loff_t offs, size_t len,
+ size_t *retlen, uint8_t *buf);
+
+#ifndef NFTL_MAJOR
+#define NFTL_MAJOR 93
+#endif
+
+#define MAX_NFTLS 16
+#define MAX_SECTORS_PER_UNIT 64
+#define NFTL_PARTN_BITS 4
+
+#endif /* __MTD_NFTL_H__ */