mtd, ubi, ubifs: resync with Linux-3.14

[oweals/u-boot.git] / include / linux / mtd / partitions.h

diff --git a/include/linux/mtd/partitions.h b/include/linux/mtd/partitions.h
index d1d9a96d583f89fccfb7f1cfc5c2c55369467385..ce0e8dbee4eb30e3585ab8722e9e5e070ea7532d 100644 (file)
--- 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