Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / include / linux / mtd / nftl.h

diff --git a/kernel/include/linux/mtd/nftl.h b/kernel/include/linux/mtd/nftl.h
new file mode 100644 (file)
index 0000000..b059629
--- /dev/null
+++ b/kernel/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__ */