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Diffstat (limited to 'include/linux/mtd/mtd.h')
-rw-r--r--include/linux/mtd/mtd.h85
1 files changed, 34 insertions, 51 deletions
diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h
index 2541fb848da..9f5b312af78 100644
--- a/include/linux/mtd/mtd.h
+++ b/include/linux/mtd/mtd.h
@@ -21,7 +21,6 @@
#define __MTD_MTD_H__
#include <linux/types.h>
-#include <linux/module.h>
#include <linux/uio.h>
#include <linux/notifier.h>
#include <linux/device.h>
@@ -33,17 +32,19 @@
#define MTD_CHAR_MAJOR 90
#define MTD_BLOCK_MAJOR 31
-#define MTD_ERASE_PENDING 0x01
+#define MTD_ERASE_PENDING 0x01
#define MTD_ERASING 0x02
#define MTD_ERASE_SUSPEND 0x04
-#define MTD_ERASE_DONE 0x08
-#define MTD_ERASE_FAILED 0x10
+#define MTD_ERASE_DONE 0x08
+#define MTD_ERASE_FAILED 0x10
#define MTD_FAIL_ADDR_UNKNOWN -1LL
-/* If the erase fails, fail_addr might indicate exactly which block failed. If
- fail_addr = MTD_FAIL_ADDR_UNKNOWN, the failure was not at the device level or was not
- specific to any particular block. */
+/*
+ * If the erase fails, fail_addr might indicate exactly which block failed. If
+ * fail_addr = MTD_FAIL_ADDR_UNKNOWN, the failure was not at the device level
+ * or was not specific to any particular block.
+ */
struct erase_info {
struct mtd_info *mtd;
uint64_t addr;
@@ -60,26 +61,12 @@ struct erase_info {
};
struct mtd_erase_region_info {
- uint64_t offset; /* At which this region starts, from the beginning of the MTD */
+ uint64_t offset; /* At which this region starts, from the beginning of the MTD */
uint32_t erasesize; /* For this region */
uint32_t numblocks; /* Number of blocks of erasesize in this region */
unsigned long *lockmap; /* If keeping bitmap of locks */
};
-/*
- * oob operation modes
- *
- * MTD_OOB_PLACE: oob data are placed at the given offset
- * MTD_OOB_AUTO: oob data are automatically placed at the free areas
- * which are defined by the ecclayout
- * MTD_OOB_RAW: mode to read oob and data without doing ECC checking
- */
-typedef enum {
- MTD_OOB_PLACE,
- MTD_OOB_AUTO,
- MTD_OOB_RAW,
-} mtd_oob_mode_t;
-
/**
* struct mtd_oob_ops - oob operation operands
* @mode: operation mode
@@ -91,7 +78,7 @@ typedef enum {
* @ooblen: number of oob bytes to write/read
* @oobretlen: number of oob bytes written/read
* @ooboffs: offset of oob data in the oob area (only relevant when
- * mode = MTD_OOB_PLACE)
+ * mode = MTD_OPS_PLACE_OOB or MTD_OPS_RAW)
* @datbuf: data buffer - if NULL only oob data are read/written
* @oobbuf: oob data buffer
*
@@ -100,7 +87,7 @@ typedef enum {
* OOB area.
*/
struct mtd_oob_ops {
- mtd_oob_mode_t mode;
+ unsigned int mode;
size_t len;
size_t retlen;
size_t ooblen;
@@ -125,6 +112,8 @@ struct nand_ecclayout {
struct nand_oobfree oobfree[MTD_MAX_OOBFREE_ENTRIES_LARGE];
};
+struct module; /* only needed for owner field in mtd_info */
+
struct mtd_info {
u_char type;
uint32_t flags;
@@ -172,7 +161,7 @@ struct mtd_info {
const char *name;
int index;
- /* ecc layout structure pointer - read only ! */
+ /* ECC layout structure pointer - read only! */
struct nand_ecclayout *ecclayout;
/* Data for variable erase regions. If numeraseregions is zero,
@@ -323,10 +312,15 @@ static inline uint32_t mtd_mod_by_ws(uint64_t sz, struct mtd_info *mtd)
/* Kernel-side ioctl definitions */
struct mtd_partition;
-
-extern int mtd_device_register(struct mtd_info *master,
- const struct mtd_partition *parts,
- int nr_parts);
+struct mtd_part_parser_data;
+
+extern int mtd_device_parse_register(struct mtd_info *mtd,
+ const char **part_probe_types,
+ struct mtd_part_parser_data *parser_data,
+ const struct mtd_partition *defparts,
+ int defnr_parts);
+#define mtd_device_register(master, parts, nr_parts) \
+ mtd_device_parse_register(master, NULL, NULL, parts, nr_parts)
extern int mtd_device_unregister(struct mtd_info *master);
extern struct mtd_info *get_mtd_device(struct mtd_info *mtd, int num);
extern int __get_mtd_device(struct mtd_info *mtd);
@@ -355,27 +349,16 @@ void *mtd_kmalloc_up_to(const struct mtd_info *mtd, size_t *size);
void mtd_erase_callback(struct erase_info *instr);
-/*
- * Debugging macro and defines
- */
-#define MTD_DEBUG_LEVEL0 (0) /* Quiet */
-#define MTD_DEBUG_LEVEL1 (1) /* Audible */
-#define MTD_DEBUG_LEVEL2 (2) /* Loud */
-#define MTD_DEBUG_LEVEL3 (3) /* Noisy */
-
-#ifdef CONFIG_MTD_DEBUG
-#define DEBUG(n, args...) \
- do { \
- if (n <= CONFIG_MTD_DEBUG_VERBOSE) \
- printk(KERN_INFO args); \
- } while(0)
-#else /* CONFIG_MTD_DEBUG */
-#define DEBUG(n, args...) \
- do { \
- if (0) \
- printk(KERN_INFO args); \
- } while(0)
-
-#endif /* CONFIG_MTD_DEBUG */
+static inline int mtd_is_bitflip(int err) {
+ return err == -EUCLEAN;
+}
+
+static inline int mtd_is_eccerr(int err) {
+ return err == -EBADMSG;
+}
+
+static inline int mtd_is_bitflip_or_eccerr(int err) {
+ return mtd_is_bitflip(err) || mtd_is_eccerr(err);
+}
#endif /* __MTD_MTD_H__ */