diff options
Diffstat (limited to 'linux-2.4.x/include/linux/mtd/partitions.h')
| -rw-r--r-- | linux-2.4.x/include/linux/mtd/partitions.h | 47 |
1 files changed, 33 insertions, 14 deletions
diff --git a/linux-2.4.x/include/linux/mtd/partitions.h b/linux-2.4.x/include/linux/mtd/partitions.h index 7c55241..b03f512 100644 --- a/linux-2.4.x/include/linux/mtd/partitions.h +++ b/linux-2.4.x/include/linux/mtd/partitions.h @@ -5,7 +5,7 @@ * * This code is GPL * - * $Id: partitions.h,v 1.8 2002/03/08 16:34:36 rkaiser Exp $ + * $Id: partitions.h,v 1.17 2005/11/07 11:14:55 gleixner Exp $ */ #ifndef MTD_PARTITIONS_H @@ -16,32 +16,33 @@ /* * 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 + * 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 + * 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 + * 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 + * 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 + * 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 */ + 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 */ + 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) @@ -49,8 +50,26 @@ struct mtd_partition { #define MTDPART_SIZ_FULL (0) -int add_mtd_partitions(struct mtd_info *, struct mtd_partition *, int); +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 |