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partitions.h
Package: linux-2.4.20.tar.gz [view]
Upload User: jlfgdled
Upload Date: 2013-04-10
Package Size: 33168k
Code Size: 2k
Category:
Linux-Unix program
Development Platform:
Unix_Linux
- /*
- * MTD partitioning layer definitions
- *
- * (C) 2000 Nicolas Pitre <nico@cam.org>
- *
- * This code is GPL
- *
- * $Id: partitions.h,v 1.8 2002/03/08 16:34:36 rkaiser Exp $
- */
- #ifndef MTD_PARTITIONS_H
- #define MTD_PARTITIONS_H
- #include <linux/types.h>
- /*
- * Partition definition structure:
- *
- * An array of struct partition is passed along with a MTD object to
- * add_mtd_partitions() to create them.
- *
- * For each partition, these fields are available:
- * name: string that will be used to label the partition's MTD device.
- * size: the partition size; if defined as MTDPART_SIZ_FULL, the partition
- * will extend to the end of the master MTD device.
- * offset: absolute starting position within the master MTD device; if
- * defined as MTDPART_OFS_APPEND, the partition will start where the
- * previous one ended; if MTDPART_OFS_NXTBLK, at the next erase block.
- * mask_flags: contains flags that have to be masked (removed) from the
- * master MTD flag set for the corresponding MTD partition.
- * For example, to force a read-only partition, simply adding
- * MTD_WRITEABLE to the mask_flags will do the trick.
- *
- * Note: writeable partitions require their size and offset be
- * erasesize aligned (e.g. use MTDPART_OFS_NEXTBLK).
- */
- struct mtd_partition {
- char *name; /* identifier string */
- u_int32_t size; /* partition size */
- u_int32_t offset; /* offset within the master MTD space */
- u_int32_t mask_flags; /* master MTD flags to mask out for this partition */
- struct mtd_info **mtdp; /* pointer to store the MTD object */
- };
- #define MTDPART_OFS_NXTBLK (-2)
- #define MTDPART_OFS_APPEND (-1)
- #define MTDPART_SIZ_FULL (0)
- int add_mtd_partitions(struct mtd_info *, struct mtd_partition *, int);
- int del_mtd_partitions(struct mtd_info *);
- #endif