http://www.ousob.com --- Legacy Redefined OuSob - File: /wwwroot/clipx/usr/include/linux/mtd/partitions.h

/* * MTD partitioning layer definitions * * (C) 2000 Nicolas Pitre <nico@cam.org> * * This code is GPL * * $Id: partitions.h,v 1.17 2005/11/07 11:14:55 gleixner 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 nand_oobinfo *oobsel; /* out of band layout for this partition (NAND only)*/ 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 *, const struct mtd_partition *, int); int del_mtd_partitions(struct mtd_info *); /* * Functions dealing with the various ways of partitioning the space */ struct mtd_part_parser { struct list_head list; struct module *owner; const char *name; int (*parse_fn)(struct mtd_info *, struct mtd_partition **, unsigned long); }; extern int register_mtd_parser(struct mtd_part_parser *parser); extern int deregister_mtd_parser(struct mtd_part_parser *parser); extern int parse_mtd_partitions(struct mtd_info *master, const char **types, struct mtd_partition **pparts, unsigned long origin); #define put_partition_parser(p) do { module_put((p)->owner); } while(0) #endif