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fix mtd compile
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@5505 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nbd
parent
3caab97353
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@ -3,7 +3,7 @@
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all: mtd
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all: mtd
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%.o: %.c
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%.o: %.c
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$(CC) $(CFLAGS) $(EXTRA_CFLAGS) -c -o $@ $^
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$(CC) -I. $(CFLAGS) $(EXTRA_CFLAGS) -c -o $@ $^
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mtd: mtd.o
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mtd: mtd.o
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$(CC) -o $@ $^
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$(CC) -o $@ $^
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@ -40,7 +40,7 @@
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#include <sys/reboot.h>
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#include <sys/reboot.h>
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#include <string.h>
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#include <string.h>
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#include <linux/mtd/mtd.h>
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#include "mtd.h"
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#define TRX_MAGIC 0x30524448 /* "HDR0" */
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#define TRX_MAGIC 0x30524448 /* "HDR0" */
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#define BUFSIZE (16 * 1024)
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#define BUFSIZE (16 * 1024)
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304
package/mtd/src/mtd.h
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304
package/mtd/src/mtd.h
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@ -0,0 +1,304 @@
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/* $Id: mtd.h,v 1.38 2003/01/12 16:30:19 spse Exp $ */
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#ifndef __MTD_MTD_H__
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#define __MTD_MTD_H__
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#ifdef __KERNEL__
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#include <linux/config.h>
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#include <linux/version.h>
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#include <linux/types.h>
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#include <linux/mtd/compatmac.h>
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#include <linux/notifier.h>
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#include <linux/module.h>
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#include <linux/uio.h>
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#endif /* __KERNEL__ */
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struct erase_info_user {
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u_int32_t start;
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u_int32_t length;
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};
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struct mtd_oob_buf {
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u_int32_t start;
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u_int32_t length;
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unsigned char *ptr;
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};
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#define MTD_CHAR_MAJOR 90
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#define MTD_BLOCK_MAJOR 31
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#define MAX_MTD_DEVICES 16
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#define MTD_ABSENT 0
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#define MTD_RAM 1
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#define MTD_ROM 2
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#define MTD_NORFLASH 3
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#define MTD_NANDFLASH 4
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#define MTD_PEROM 5
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#define MTD_OTHER 14
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#define MTD_UNKNOWN 15
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#define MTD_CLEAR_BITS 1 // Bits can be cleared (flash)
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#define MTD_SET_BITS 2 // Bits can be set
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#define MTD_ERASEABLE 4 // Has an erase function
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#define MTD_WRITEB_WRITEABLE 8 // Direct IO is possible
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#define MTD_VOLATILE 16 // Set for RAMs
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#define MTD_XIP 32 // eXecute-In-Place possible
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#define MTD_OOB 64 // Out-of-band data (NAND flash)
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#define MTD_ECC 128 // Device capable of automatic ECC
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// Some common devices / combinations of capabilities
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#define MTD_CAP_ROM 0
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#define MTD_CAP_RAM (MTD_CLEAR_BITS|MTD_SET_BITS|MTD_WRITEB_WRITEABLE)
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#define MTD_CAP_NORFLASH (MTD_CLEAR_BITS|MTD_ERASEABLE)
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#define MTD_CAP_NANDFLASH (MTD_CLEAR_BITS|MTD_ERASEABLE|MTD_OOB)
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#define MTD_WRITEABLE (MTD_CLEAR_BITS|MTD_SET_BITS)
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// Types of automatic ECC/Checksum available
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#define MTD_ECC_NONE 0 // No automatic ECC available
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#define MTD_ECC_RS_DiskOnChip 1 // Automatic ECC on DiskOnChip
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#define MTD_ECC_SW 2 // SW ECC for Toshiba & Samsung devices
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struct mtd_info_user {
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u_char type;
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u_int32_t flags;
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u_int32_t size; // Total size of the MTD
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u_int32_t erasesize;
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u_int32_t oobblock; // Size of OOB blocks (e.g. 512)
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u_int32_t oobsize; // Amount of OOB data per block (e.g. 16)
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u_int32_t ecctype;
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u_int32_t eccsize;
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};
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struct region_info_user {
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u_int32_t offset; /* At which this region starts,
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* from the beginning of the MTD */
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u_int32_t erasesize; /* For this region */
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u_int32_t numblocks; /* Number of blocks in this region */
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u_int32_t regionindex;
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};
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#define MEMGETINFO _IOR('M', 1, struct mtd_info_user)
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#define MEMERASE _IOW('M', 2, struct erase_info_user)
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#define MEMWRITEOOB _IOWR('M', 3, struct mtd_oob_buf)
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#define MEMREADOOB _IOWR('M', 4, struct mtd_oob_buf)
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#define MEMLOCK _IOW('M', 5, struct erase_info_user)
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#define MEMUNLOCK _IOW('M', 6, struct erase_info_user)
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#define MEMGETREGIONCOUNT _IOR('M', 7, int)
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#define MEMGETREGIONINFO _IOWR('M', 8, struct region_info_user)
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#define MEMREADDATA _IOWR('M', 9, struct mtd_oob_buf)
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#define MEMWRITEDATA _IOWR('M', 10, struct mtd_oob_buf)
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#ifndef __KERNEL__
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typedef struct mtd_info_user mtd_info_t;
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typedef struct erase_info_user erase_info_t;
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typedef struct region_info_user region_info_t;
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/* User-space ioctl definitions */
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#else /* __KERNEL__ */
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#define MTD_ERASE_PENDING 0x01
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#define MTD_ERASING 0x02
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#define MTD_ERASE_SUSPEND 0x04
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#define MTD_ERASE_DONE 0x08
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#define MTD_ERASE_FAILED 0x10
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struct erase_info {
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struct mtd_info *mtd;
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u_int32_t addr;
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u_int32_t len;
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u_long time;
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u_long retries;
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u_int dev;
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u_int cell;
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void (*callback) (struct erase_info *self);
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u_long priv;
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u_char state;
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struct erase_info *next;
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};
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struct mtd_erase_region_info {
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u_int32_t offset; /* At which this region starts, from the beginning of the MTD */
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u_int32_t erasesize; /* For this region */
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u_int32_t numblocks; /* Number of blocks of erasesize in this region */
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};
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struct mtd_info {
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u_char type;
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u_int32_t flags;
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u_int32_t size; // Total size of the MTD
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/* "Major" erase size for the device. Naïve users may take this
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* to be the only erase size available, or may use the more detailed
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* information below if they desire
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*/
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u_int32_t erasesize;
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u_int32_t oobblock; // Size of OOB blocks (e.g. 512)
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u_int32_t oobsize; // Amount of OOB data per block (e.g. 16)
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u_int32_t ecctype;
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u_int32_t eccsize;
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// Kernel-only stuff starts here.
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char *name;
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int index;
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/* Data for variable erase regions. If numeraseregions is zero,
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* it means that the whole device has erasesize as given above.
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*/
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int numeraseregions;
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struct mtd_erase_region_info *eraseregions;
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/* This really shouldn't be here. It can go away in 2.5 */
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u_int32_t bank_size;
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struct module *module;
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int (*erase) (struct mtd_info *mtd, struct erase_info *instr);
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/* This stuff for eXecute-In-Place */
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int (*point) (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char **mtdbuf);
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/* We probably shouldn't allow XIP if the unpoint isn't a NULL */
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void (*unpoint) (struct mtd_info *mtd, u_char * addr, loff_t from, size_t len);
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int (*read) (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf);
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int (*write) (struct mtd_info *mtd, loff_t to, size_t len, size_t *retlen, const u_char *buf);
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int (*read_ecc) (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf, u_char *eccbuf, int oobsel);
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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);
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int (*read_oob) (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf);
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int (*write_oob) (struct mtd_info *mtd, loff_t to, size_t len, size_t *retlen, const u_char *buf);
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/*
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* Methods to access the protection register area, present in some
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* flash devices. The user data is one time programmable but the
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* factory data is read only.
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*/
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int (*read_user_prot_reg) (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf);
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int (*read_fact_prot_reg) (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf);
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/* This function is not yet implemented */
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int (*write_user_prot_reg) (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf);
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/* iovec-based read/write methods. We need these especially for NAND flash,
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with its limited number of write cycles per erase.
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NB: The 'count' parameter is the number of _vectors_, each of
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which contains an (ofs, len) tuple.
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*/
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int (*readv) (struct mtd_info *mtd, struct iovec *vecs, unsigned long count, loff_t from, size_t *retlen);
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int (*readv_ecc) (struct mtd_info *mtd, struct iovec *vecs, unsigned long count, loff_t from,
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size_t *retlen, u_char *eccbuf, int oobsel);
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int (*writev) (struct mtd_info *mtd, const struct iovec *vecs, unsigned long count, loff_t to, size_t *retlen);
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int (*writev_ecc) (struct mtd_info *mtd, const struct iovec *vecs, unsigned long count, loff_t to,
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size_t *retlen, u_char *eccbuf, int oobsel);
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/* Sync */
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void (*sync) (struct mtd_info *mtd);
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/* Chip-supported device locking */
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int (*lock) (struct mtd_info *mtd, loff_t ofs, size_t len);
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int (*unlock) (struct mtd_info *mtd, loff_t ofs, size_t len);
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/* Power Management functions */
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int (*suspend) (struct mtd_info *mtd);
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void (*resume) (struct mtd_info *mtd);
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struct notifier_block reboot_notifier;
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void *priv;
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};
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/* Kernel-side ioctl definitions */
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extern int add_mtd_device(struct mtd_info *mtd);
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extern int del_mtd_device (struct mtd_info *mtd);
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extern struct mtd_info *__get_mtd_device(struct mtd_info *mtd, int num);
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static inline struct mtd_info *get_mtd_device(struct mtd_info *mtd, int num)
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{
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struct mtd_info *ret;
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ret = __get_mtd_device(mtd, num);
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if (ret && ret->module && !try_inc_mod_count(ret->module))
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return NULL;
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return ret;
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}
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static inline void put_mtd_device(struct mtd_info *mtd)
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{
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if (mtd->module)
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__MOD_DEC_USE_COUNT(mtd->module);
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}
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struct mtd_notifier {
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void (*add)(struct mtd_info *mtd);
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void (*remove)(struct mtd_info *mtd);
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struct mtd_notifier *next;
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};
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extern void register_mtd_user (struct mtd_notifier *new);
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extern int unregister_mtd_user (struct mtd_notifier *old);
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int default_mtd_writev(struct mtd_info *mtd, const struct iovec *vecs,
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unsigned long count, loff_t to, size_t *retlen);
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int default_mtd_readv(struct mtd_info *mtd, struct iovec *vecs,
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unsigned long count, loff_t from, size_t *retlen);
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#ifndef MTDC
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#define MTD_ERASE(mtd, args...) (*(mtd->erase))(mtd, args)
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#define MTD_POINT(mtd, a,b,c,d) (*(mtd->point))(mtd, a,b,c, (u_char **)(d))
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#define MTD_UNPOINT(mtd, arg) (*(mtd->unpoint))(mtd, (u_char *)arg)
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#define MTD_READ(mtd, args...) (*(mtd->read))(mtd, args)
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#define MTD_WRITE(mtd, args...) (*(mtd->write))(mtd, args)
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#define MTD_READV(mtd, args...) (*(mtd->readv))(mtd, args)
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#define MTD_WRITEV(mtd, args...) (*(mtd->writev))(mtd, args)
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#define MTD_READECC(mtd, args...) (*(mtd->read_ecc))(mtd, args)
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#define MTD_WRITEECC(mtd, args...) (*(mtd->write_ecc))(mtd, args)
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#define MTD_READOOB(mtd, args...) (*(mtd->read_oob))(mtd, args)
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#define MTD_WRITEOOB(mtd, args...) (*(mtd->write_oob))(mtd, args)
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#define MTD_SYNC(mtd) do { if (mtd->sync) (*(mtd->sync))(mtd); } while (0)
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#endif /* MTDC */
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/*
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* Debugging macro and defines
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*/
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#define MTD_DEBUG_LEVEL0 (0) /* Quiet */
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#define MTD_DEBUG_LEVEL1 (1) /* Audible */
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#define MTD_DEBUG_LEVEL2 (2) /* Loud */
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#define MTD_DEBUG_LEVEL3 (3) /* Noisy */
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#ifdef CONFIG_MTD_DEBUG
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#define DEBUG(n, args...) \
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do { \
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if (n <= CONFIG_MTD_DEBUG_VERBOSE) \
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printk(KERN_INFO args); \
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} while(0)
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#else /* CONFIG_MTD_DEBUG */
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#define DEBUG(n, args...)
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#endif /* CONFIG_MTD_DEBUG */
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#endif /* __KERNEL__ */
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#endif /* __MTD_MTD_H__ */
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