diff options
Diffstat (limited to 'include/linux/mtd/partitions.h')
| -rw-r--r-- | include/linux/mtd/partitions.h | 60 |
1 files changed, 33 insertions, 27 deletions
diff --git a/include/linux/mtd/partitions.h b/include/linux/mtd/partitions.h index d1d9a96d58..ce0e8dbee4 100644 --- a/include/linux/mtd/partitions.h +++ b/include/linux/mtd/partitions.h @@ -1,11 +1,9 @@ /* * MTD partitioning layer definitions * - * (C) 2000 Nicolas Pitre <nico@cam.org> + * (C) 2000 Nicolas Pitre <nico@fluxnic.net> * * This code is GPL - * - * $Id: partitions.h,v 1.17 2005/11/07 11:14:55 gleixner Exp $ */ #ifndef MTD_PARTITIONS_H @@ -18,7 +16,7 @@ * Partition definition structure: * * An array of struct partition is passed along with a MTD object to - * add_mtd_partitions() to create them. + * mtd_device_register() to create them. * * For each partition, these fields are available: * name: string that will be used to label the partition's MTD device. @@ -26,7 +24,9 @@ * 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. + * previous one ended; if MTDPART_OFS_NXTBLK, at the next erase block; + * if MTDPART_OFS_RETAIN, consume as much as possible, leaving size + * after the end of partition. * 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 @@ -37,23 +37,34 @@ */ struct mtd_partition { - char *name; /* identifier string */ + const char *name; /* identifier string */ uint64_t size; /* partition size */ uint64_t offset; /* offset within the master MTD space */ - u_int32_t mask_flags; /* master MTD flags to mask out for this partition */ - struct nand_ecclayout *ecclayout; /* out of band layout for this partition (NAND only)*/ - struct mtd_info **mtdp; /* pointer to store the MTD object */ + uint32_t mask_flags; /* master MTD flags to mask out for this partition */ + struct nand_ecclayout *ecclayout; /* out of band layout for this partition (NAND only) */ }; +#define MTDPART_OFS_RETAIN (-3) #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 *); +struct mtd_info; +struct device_node; + +#ifndef __UBOOT__ +/** + * struct mtd_part_parser_data - used to pass data to MTD partition parsers. + * @origin: for RedBoot, start address of MTD device + * @of_node: for OF parsers, device node containing partitioning information + */ +struct mtd_part_parser_data { + unsigned long origin; + struct device_node *of_node; +}; + -#if 0 /* * Functions dealing with the various ways of partitioning the space */ @@ -62,23 +73,18 @@ 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); + int (*parse_fn)(struct mtd_info *, struct mtd_partition **, + struct mtd_part_parser_data *); }; -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) - -struct device; -struct device_node; - -int __devinit of_mtd_parse_partitions(struct device *dev, - struct mtd_info *mtd, - struct device_node *node, - struct mtd_partition **pparts); +extern void register_mtd_parser(struct mtd_part_parser *parser); +extern void deregister_mtd_parser(struct mtd_part_parser *parser); #endif +int mtd_is_partition(const struct mtd_info *mtd); +int mtd_add_partition(struct mtd_info *master, const char *name, + long long offset, long long length); +int mtd_del_partition(struct mtd_info *master, int partno); +uint64_t mtd_get_device_size(const struct mtd_info *mtd); + #endif |
