target: linux: mtd: fix MTDREFRESH to an arbitrary high number

To make the ioctl number "stable", use an arbitrary high number to prevent
conflicts with new mtd ioctls that would push MTDREFRESH's number.

Also make mtd use the in-kernel mtd headers.

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@28893 3c298f89-4303-0410-b956-a3cf2f4a3e73

14 files changed, 13 insertions, 317 deletions

diff --git a/package/mtd/Makefile b/package/mtd/Makefile
index f416d6bb1..49a760be2 100644
--- a/package/mtd/Makefile
+++ b/package/mtd/Makefile
@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 include $(INCLUDE_DIR)/kernel.mk
 
 PKG_NAME:=mtd
-PKG_RELEASE:=16
+PKG_RELEASE:=17
 
 PKG_BUILD_DIR := $(KERNEL_BUILD_DIR)/$(PKG_NAME)
 STAMP_PREPARED := $(STAMP_PREPARED)_$(call confvar,CONFIG_MTD_REDBOOT_PARTS)
diff --git a/package/mtd/src/imagetag.c b/package/mtd/src/imagetag.c
index f6095be44..a4ce86d6e 100644
--- a/package/mtd/src/imagetag.c
+++ b/package/mtd/src/imagetag.c
@@ -31,7 +31,7 @@
 #include <errno.h>
 
 #include <sys/ioctl.h>
-#include "mtd-api.h"
+#include <mtd/mtd-user.h>
 #include "mtd.h"
 #include "crc32.h"
 #include "bcm_tag.h"
diff --git a/package/mtd/src/mtd-api.h b/package/mtd/src/mtd-api.h
deleted file mode 100644
index 272043ddb..000000000
--- a/package/mtd/src/mtd-api.h
+++ /dev/null
@@ -1,304 +0,0 @@
-
-
-#ifndef __MTD_MTD_H__
-#define __MTD_MTD_H__
-
-#ifdef __KERNEL__
-
-#include <linux/config.h>
-#include <linux/version.h>
-#include <linux/types.h>
-#include <linux/mtd/compatmac.h>
-#include <linux/notifier.h>
-#include <linux/module.h>
-#include <linux/uio.h>
-
-#endif /* __KERNEL__ */
-
-struct erase_info_user {
-	u_int32_t start;
-	u_int32_t length;
-};
-
-struct mtd_oob_buf {
-	u_int32_t start;
-	u_int32_t length;
-	unsigned char *ptr;
-};
-
-
-#define MTD_CHAR_MAJOR 90
-#define MTD_BLOCK_MAJOR 31
-#define MAX_MTD_DEVICES 16
-
-
-
-#define MTD_ABSENT		0
-#define MTD_RAM			1
-#define MTD_ROM			2
-#define MTD_NORFLASH		3
-#define MTD_NANDFLASH		4
-#define MTD_PEROM		5
-#define MTD_OTHER		14
-#define MTD_UNKNOWN		15
-
-
-
-#define MTD_CLEAR_BITS		1       // Bits can be cleared (flash)
-#define MTD_SET_BITS		2       // Bits can be set
-#define MTD_ERASEABLE		4       // Has an erase function
-#define MTD_WRITEB_WRITEABLE	8       // Direct IO is possible
-#define MTD_VOLATILE		16      // Set for RAMs
-#define MTD_XIP			32	// eXecute-In-Place possible
-#define MTD_OOB			64	// Out-of-band data (NAND flash)
-#define MTD_ECC			128	// Device capable of automatic ECC
-
-// Some common devices / combinations of capabilities
-#define MTD_CAP_ROM		0
-#define MTD_CAP_RAM		(MTD_CLEAR_BITS|MTD_SET_BITS|MTD_WRITEB_WRITEABLE)
-#define MTD_CAP_NORFLASH        (MTD_CLEAR_BITS|MTD_ERASEABLE)
-#define MTD_CAP_NANDFLASH       (MTD_CLEAR_BITS|MTD_ERASEABLE|MTD_OOB)
-#define MTD_WRITEABLE		(MTD_CLEAR_BITS|MTD_SET_BITS)
-
-
-// Types of automatic ECC/Checksum available
-#define MTD_ECC_NONE		0 	// No automatic ECC available
-#define MTD_ECC_RS_DiskOnChip	1	// Automatic ECC on DiskOnChip
-#define MTD_ECC_SW		2	// SW ECC for Toshiba & Samsung devices
-
-struct mtd_info_user {
-	u_char type;
-	u_int32_t flags;
-	u_int32_t size;	 // Total size of the MTD
-	u_int32_t erasesize;
-	u_int32_t oobblock;  // Size of OOB blocks (e.g. 512)
-	u_int32_t oobsize;   // Amount of OOB data per block (e.g. 16)
-	u_int32_t ecctype;
-	u_int32_t eccsize;
-};
-
-struct region_info_user {
-	u_int32_t offset;		/* At which this region starts, 
-					 * from the beginning of the MTD */
-	u_int32_t erasesize;		/* For this region */
-	u_int32_t numblocks;		/* Number of blocks in this region */
-	u_int32_t regionindex;
-};
-
-#define MEMGETINFO              _IOR('M', 1, struct mtd_info_user)
-#define MEMERASE                _IOW('M', 2, struct erase_info_user)
-#define MEMWRITEOOB             _IOWR('M', 3, struct mtd_oob_buf)
-#define MEMREADOOB              _IOWR('M', 4, struct mtd_oob_buf)
-#define MEMLOCK                 _IOW('M', 5, struct erase_info_user)
-#define MEMUNLOCK               _IOW('M', 6, struct erase_info_user)
-#define MEMGETREGIONCOUNT	_IOR('M', 7, int)
-#define MEMGETREGIONINFO	_IOWR('M', 8, struct region_info_user)
-#define	MEMREADDATA             _IOWR('M', 9, struct mtd_oob_buf)
-#define	MEMWRITEDATA            _IOWR('M', 10, struct mtd_oob_buf)
-#define MTDREFRESH				_IO('M', 23)
-
-#ifndef __KERNEL__
-
-typedef struct mtd_info_user mtd_info_t;
-typedef struct erase_info_user erase_info_t;
-typedef struct region_info_user region_info_t;
-
-	/* User-space ioctl definitions */
-
-
-#else /* __KERNEL__ */
-
-
-#define MTD_ERASE_PENDING      	0x01
-#define MTD_ERASING		0x02
-#define MTD_ERASE_SUSPEND	0x04
-#define MTD_ERASE_DONE          0x08
-#define MTD_ERASE_FAILED        0x10
-
-struct erase_info {
-	struct mtd_info *mtd;
-	u_int32_t addr;
-	u_int32_t len;
-	u_long time;
-	u_long retries;
-	u_int dev;
-	u_int cell;
-	void (*callback) (struct erase_info *self);
-	u_long priv;
-	u_char state;
-	struct erase_info *next;
-};
-
-struct mtd_erase_region_info {
-	u_int32_t offset;			/* At which this region starts, from the beginning of the MTD */
-	u_int32_t erasesize;		/* For this region */
-	u_int32_t numblocks;		/* Number of blocks of erasesize in this region */
-};
-
-struct mtd_info {
-	u_char type;
-	u_int32_t flags;
-	u_int32_t size;	 // Total size of the MTD
-
-	/* "Major" erase size for the device. Naïve users may take this
-	 * to be the only erase size available, or may use the more detailed
-	 * information below if they desire
-	 */
-	u_int32_t erasesize;
-
-	u_int32_t oobblock;  // Size of OOB blocks (e.g. 512)
-	u_int32_t oobsize;   // Amount of OOB data per block (e.g. 16)
-	u_int32_t ecctype;
-	u_int32_t eccsize;
-
-	// Kernel-only stuff starts here.
-	char *name;
-	int index;
-
-	/* Data for variable erase regions. If numeraseregions is zero,
-	 * it means that the whole device has erasesize as given above. 
-	 */
-	int numeraseregions;
-	struct mtd_erase_region_info *eraseregions; 
-
-	/* This really shouldn't be here. It can go away in 2.5 */
-	u_int32_t bank_size;
-
-	struct module *module;
-	int (*erase) (struct mtd_info *mtd, struct erase_info *instr);
-
-	/* This stuff for eXecute-In-Place */
-	int (*point) (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char **mtdbuf);
-
-	/* We probably shouldn't allow XIP if the unpoint isn't a NULL */
-	void (*unpoint) (struct mtd_info *mtd, u_char * addr, loff_t from, size_t len);
-
-
-	int (*read) (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf);
-	int (*write) (struct mtd_info *mtd, loff_t to, size_t len, size_t *retlen, const u_char *buf);
-
-	int (*read_ecc) (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf, u_char *eccbuf, int oobsel);
-	int (*write_ecc) (struct mtd_info *mtd, loff_t to, size_t len, size_t *retlen, const u_char *buf, u_char *eccbuf, int oobsel);
-
-	int (*read_oob) (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf);
-	int (*write_oob) (struct mtd_info *mtd, loff_t to, size_t len, size_t *retlen, const u_char *buf);
-
-	/* 
-	 * Methods to access the protection register area, present in some 
-	 * flash devices. The user data is one time programmable but the
-	 * factory data is read only. 
-	 */
-	int (*read_user_prot_reg) (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf);
-
-	int (*read_fact_prot_reg) (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf);
-
-	/* This function is not yet implemented */
-	int (*write_user_prot_reg) (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf);
-
-	/* iovec-based read/write methods. We need these especially for NAND flash,
-	   with its limited number of write cycles per erase.
-	   NB: The 'count' parameter is the number of _vectors_, each of 
-	   which contains an (ofs, len) tuple.
-	*/
-	int (*readv) (struct mtd_info *mtd, struct iovec *vecs, unsigned long count, loff_t from, size_t *retlen);
-	int (*readv_ecc) (struct mtd_info *mtd, struct iovec *vecs, unsigned long count, loff_t from, 
-		size_t *retlen, u_char *eccbuf, int oobsel);
-	int (*writev) (struct mtd_info *mtd, const struct iovec *vecs, unsigned long count, loff_t to, size_t *retlen);
-	int (*writev_ecc) (struct mtd_info *mtd, const struct iovec *vecs, unsigned long count, loff_t to, 
-		size_t *retlen, u_char *eccbuf, int oobsel);
-
-	/* Sync */
-	void (*sync) (struct mtd_info *mtd);
-
-	/* Chip-supported device locking */
-	int (*lock) (struct mtd_info *mtd, loff_t ofs, size_t len);
-	int (*unlock) (struct mtd_info *mtd, loff_t ofs, size_t len);
-
-	/* Power Management functions */
-	int (*suspend) (struct mtd_info *mtd);
-	void (*resume) (struct mtd_info *mtd);
-
-	struct notifier_block reboot_notifier;
-
-	void *priv;
-};
-
-
-	/* Kernel-side ioctl definitions */
-
-extern int add_mtd_device(struct mtd_info *mtd);
-extern int del_mtd_device (struct mtd_info *mtd);
-
-extern struct mtd_info *__get_mtd_device(struct mtd_info *mtd, int num);
-
-static inline struct mtd_info *get_mtd_device(struct mtd_info *mtd, int num)
-{
-	struct mtd_info *ret;
-	
-	ret = __get_mtd_device(mtd, num);
-
-	if (ret && ret->module && !try_inc_mod_count(ret->module))
-		return NULL;
-
-	return ret;
-}
-
-static inline void put_mtd_device(struct mtd_info *mtd)
-{
-       if (mtd->module)
-	       __MOD_DEC_USE_COUNT(mtd->module);
-}
-
-
-struct mtd_notifier {
-	void (*add)(struct mtd_info *mtd);
-	void (*remove)(struct mtd_info *mtd);
-	struct mtd_notifier *next;
-};
-
-
-extern void register_mtd_user (struct mtd_notifier *new);
-extern int unregister_mtd_user (struct mtd_notifier *old);
-
-int default_mtd_writev(struct mtd_info *mtd, const struct iovec *vecs,
-		       unsigned long count, loff_t to, size_t *retlen);
-
-int default_mtd_readv(struct mtd_info *mtd, struct iovec *vecs,
-		      unsigned long count, loff_t from, size_t *retlen);
-
-#ifndef MTDC
-#define MTD_ERASE(mtd, args...) (*(mtd->erase))(mtd, args)
-#define MTD_POINT(mtd, a,b,c,d) (*(mtd->point))(mtd, a,b,c, (u_char **)(d))
-#define MTD_UNPOINT(mtd, arg) (*(mtd->unpoint))(mtd, (u_char *)arg)
-#define MTD_READ(mtd, args...) (*(mtd->read))(mtd, args)
-#define MTD_WRITE(mtd, args...) (*(mtd->write))(mtd, args)
-#define MTD_READV(mtd, args...) (*(mtd->readv))(mtd, args)
-#define MTD_WRITEV(mtd, args...) (*(mtd->writev))(mtd, args)
-#define MTD_READECC(mtd, args...) (*(mtd->read_ecc))(mtd, args)
-#define MTD_WRITEECC(mtd, args...) (*(mtd->write_ecc))(mtd, args)
-#define MTD_READOOB(mtd, args...) (*(mtd->read_oob))(mtd, args)
-#define MTD_WRITEOOB(mtd, args...) (*(mtd->write_oob))(mtd, args)
-#define MTD_SYNC(mtd) do { if (mtd->sync) (*(mtd->sync))(mtd);  } while (0) 
-#endif /* MTDC */
-
-/*
- * 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...)
-#endif /* CONFIG_MTD_DEBUG */
-
-#endif /* __KERNEL__ */
-
-#endif /* __MTD_MTD_H__ */
diff --git a/package/mtd/src/mtd.c b/package/mtd/src/mtd.c
index b33582668..5fa260b91 100644
--- a/package/mtd/src/mtd.c
+++ b/package/mtd/src/mtd.c
@@ -41,7 +41,7 @@
 #include <sys/stat.h>
 #include <sys/reboot.h>
 #include <linux/reboot.h>
-#include "mtd-api.h"
+#include <mtd/mtd-user.h>
 #include "fis.h"
 #include "mtd.h"
 
diff --git a/package/mtd/src/trx.c b/package/mtd/src/trx.c
index b8d9e2bf0..d1aab3692 100644
--- a/package/mtd/src/trx.c
+++ b/package/mtd/src/trx.c
@@ -30,7 +30,7 @@
 #include <errno.h>
 
 #include <sys/ioctl.h>
-#include "mtd-api.h"
+#include <mtd/mtd-user.h>
 #include "mtd.h"
 #include "crc32.h"
 
diff --git a/target/linux/generic/patches-2.6.30/065-rootfs_split.patch b/target/linux/generic/patches-2.6.30/065-rootfs_split.patch
index 5caf0aaff..24aad52ef 100644
--- a/target/linux/generic/patches-2.6.30/065-rootfs_split.patch
+++ b/target/linux/generic/patches-2.6.30/065-rootfs_split.patch
@@ -629,7 +629,7 @@
  #define ECCGETLAYOUT		_IOR('M', 17, struct nand_ecclayout)
  #define ECCGETSTATS		_IOR('M', 18, struct mtd_ecc_stats)
  #define MTDFILEMODE		_IO('M', 19)
-+#define MTDREFRESH		_IO('M', 23)
++#define MTDREFRESH		_IO('M', 50)
  
  /*
   * Obsolete legacy interface. Keep it in order not to break userspace
diff --git a/target/linux/generic/patches-2.6.31/065-rootfs_split.patch b/target/linux/generic/patches-2.6.31/065-rootfs_split.patch
index fd69e3ffa..c58577533 100644
--- a/target/linux/generic/patches-2.6.31/065-rootfs_split.patch
+++ b/target/linux/generic/patches-2.6.31/065-rootfs_split.patch
@@ -621,7 +621,7 @@
  #define MEMERASE64		_IOW('M', 20, struct erase_info_user64)
  #define MEMWRITEOOB64		_IOWR('M', 21, struct mtd_oob_buf64)
  #define MEMREADOOB64		_IOWR('M', 22, struct mtd_oob_buf64)
-+#define MTDREFRESH		_IO('M', 23)
++#define MTDREFRESH		_IO('M', 50)
  
  /*
   * Obsolete legacy interface. Keep it in order not to break userspace
diff --git a/target/linux/generic/patches-2.6.32/065-rootfs_split.patch b/target/linux/generic/patches-2.6.32/065-rootfs_split.patch
index 1d92ebeae..288336dd4 100644
--- a/target/linux/generic/patches-2.6.32/065-rootfs_split.patch
+++ b/target/linux/generic/patches-2.6.32/065-rootfs_split.patch
@@ -621,7 +621,7 @@
  #define MEMERASE64		_IOW('M', 20, struct erase_info_user64)
  #define MEMWRITEOOB64		_IOWR('M', 21, struct mtd_oob_buf64)
  #define MEMREADOOB64		_IOWR('M', 22, struct mtd_oob_buf64)
-+#define MTDREFRESH		_IO('M', 23)
++#define MTDREFRESH		_IO('M', 50)
  
  /*
   * Obsolete legacy interface. Keep it in order not to break userspace
diff --git a/target/linux/generic/patches-2.6.36/065-rootfs_split.patch b/target/linux/generic/patches-2.6.36/065-rootfs_split.patch
index 31eb71617..7e1fab106 100644
--- a/target/linux/generic/patches-2.6.36/065-rootfs_split.patch
+++ b/target/linux/generic/patches-2.6.36/065-rootfs_split.patch
@@ -621,7 +621,7 @@
  #define MEMWRITEOOB64		_IOWR('M', 21, struct mtd_oob_buf64)
  #define MEMREADOOB64		_IOWR('M', 22, struct mtd_oob_buf64)
  #define MEMISLOCKED		_IOR('M', 23, struct erase_info_user)
-+#define MTDREFRESH		_IO('M', 24)
++#define MTDREFRESH		_IO('M', 50)
  
  /*
   * Obsolete legacy interface. Keep it in order not to break userspace
diff --git a/target/linux/generic/patches-2.6.37/400-rootfs_split.patch b/target/linux/generic/patches-2.6.37/400-rootfs_split.patch
index 788e1f359..0eeef62de 100644
--- a/target/linux/generic/patches-2.6.37/400-rootfs_split.patch
+++ b/target/linux/generic/patches-2.6.37/400-rootfs_split.patch
@@ -325,7 +325,7 @@
  #define MEMWRITEOOB64		_IOWR('M', 21, struct mtd_oob_buf64)
  #define MEMREADOOB64		_IOWR('M', 22, struct mtd_oob_buf64)
  #define MEMISLOCKED		_IOR('M', 23, struct erase_info_user)
-+#define MTDREFRESH		_IO('M', 24)
++#define MTDREFRESH		_IO('M', 50)
  
  /*
   * Obsolete legacy interface. Keep it in order not to break userspace
diff --git a/target/linux/generic/patches-2.6.38/400-rootfs_split.patch b/target/linux/generic/patches-2.6.38/400-rootfs_split.patch
index 630cdd9a8..9b7c2dc0b 100644
--- a/target/linux/generic/patches-2.6.38/400-rootfs_split.patch
+++ b/target/linux/generic/patches-2.6.38/400-rootfs_split.patch
@@ -326,7 +326,7 @@
  #define MEMWRITEOOB64		_IOWR('M', 21, struct mtd_oob_buf64)
  #define MEMREADOOB64		_IOWR('M', 22, struct mtd_oob_buf64)
  #define MEMISLOCKED		_IOR('M', 23, struct erase_info_user)
-+#define MTDREFRESH		_IO('M', 24)
++#define MTDREFRESH		_IO('M', 50)
  
  /*
   * Obsolete legacy interface. Keep it in order not to break userspace
diff --git a/target/linux/generic/patches-2.6.39/400-rootfs_split.patch b/target/linux/generic/patches-2.6.39/400-rootfs_split.patch
index 545081403..226118986 100644
--- a/target/linux/generic/patches-2.6.39/400-rootfs_split.patch
+++ b/target/linux/generic/patches-2.6.39/400-rootfs_split.patch
@@ -325,7 +325,7 @@
  #define MEMWRITEOOB64		_IOWR('M', 21, struct mtd_oob_buf64)
  #define MEMREADOOB64		_IOWR('M', 22, struct mtd_oob_buf64)
  #define MEMISLOCKED		_IOR('M', 23, struct erase_info_user)
-+#define MTDREFRESH		_IO('M', 24)
++#define MTDREFRESH		_IO('M', 50)
  
  /*
   * Obsolete legacy interface. Keep it in order not to break userspace
diff --git a/target/linux/generic/patches-3.0/400-rootfs_split.patch b/target/linux/generic/patches-3.0/400-rootfs_split.patch
index db736c3bc..ccbe83ea3 100644
--- a/target/linux/generic/patches-3.0/400-rootfs_split.patch
+++ b/target/linux/generic/patches-3.0/400-rootfs_split.patch
@@ -321,7 +321,7 @@
  #define MEMWRITEOOB64		_IOWR('M', 21, struct mtd_oob_buf64)
  #define MEMREADOOB64		_IOWR('M', 22, struct mtd_oob_buf64)
  #define MEMISLOCKED		_IOR('M', 23, struct erase_info_user)
-+#define MTDREFRESH		_IO('M', 24)
++#define MTDREFRESH		_IO('M', 50)
  
  /*
   * Obsolete legacy interface. Keep it in order not to break userspace
diff --git a/target/linux/generic/patches-3.1/400-rootfs_split.patch b/target/linux/generic/patches-3.1/400-rootfs_split.patch
index db736c3bc..ccbe83ea3 100644
--- a/target/linux/generic/patches-3.1/400-rootfs_split.patch
+++ b/target/linux/generic/patches-3.1/400-rootfs_split.patch
@@ -321,7 +321,7 @@
  #define MEMWRITEOOB64		_IOWR('M', 21, struct mtd_oob_buf64)
  #define MEMREADOOB64		_IOWR('M', 22, struct mtd_oob_buf64)
  #define MEMISLOCKED		_IOR('M', 23, struct erase_info_user)
-+#define MTDREFRESH		_IO('M', 24)
++#define MTDREFRESH		_IO('M', 50)
  
  /*
   * Obsolete legacy interface. Keep it in order not to break userspace