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authororivej <orivej@yandex-team.ru>2022-02-10 16:44:49 +0300
committerDaniil Cherednik <dcherednik@yandex-team.ru>2022-02-10 16:44:49 +0300
commit718c552901d703c502ccbefdfc3c9028d608b947 (patch)
tree46534a98bbefcd7b1f3faa5b52c138ab27db75b7 /contrib/libs/linux-headers/mtd/mtd-abi.h
parente9656aae26e0358d5378e5b63dcac5c8dbe0e4d0 (diff)
downloadydb-718c552901d703c502ccbefdfc3c9028d608b947.tar.gz
Restoring authorship annotation for <orivej@yandex-team.ru>. Commit 1 of 2.
Diffstat (limited to 'contrib/libs/linux-headers/mtd/mtd-abi.h')
-rw-r--r--contrib/libs/linux-headers/mtd/mtd-abi.h570
1 files changed, 285 insertions, 285 deletions
diff --git a/contrib/libs/linux-headers/mtd/mtd-abi.h b/contrib/libs/linux-headers/mtd/mtd-abi.h
index d6fa8f264c..0d7a004c84 100644
--- a/contrib/libs/linux-headers/mtd/mtd-abi.h
+++ b/contrib/libs/linux-headers/mtd/mtd-abi.h
@@ -1,285 +1,285 @@
-/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
-/*
- * Copyright © 1999-2010 David Woodhouse <dwmw2@infradead.org> et al.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- *
- */
-
-#ifndef __MTD_ABI_H__
-#define __MTD_ABI_H__
-
-#include <linux/types.h>
-
-struct erase_info_user {
- __u32 start;
- __u32 length;
-};
-
-struct erase_info_user64 {
- __u64 start;
- __u64 length;
-};
-
-struct mtd_oob_buf {
- __u32 start;
- __u32 length;
- unsigned char *ptr;
-};
-
-struct mtd_oob_buf64 {
- __u64 start;
- __u32 pad;
- __u32 length;
- __u64 usr_ptr;
-};
-
-/**
- * MTD operation modes
- *
- * @MTD_OPS_PLACE_OOB: OOB data are placed at the given offset (default)
- * @MTD_OPS_AUTO_OOB: OOB data are automatically placed at the free areas
- * which are defined by the internal ecclayout
- * @MTD_OPS_RAW: data are transferred as-is, with no error correction;
- * this mode implies %MTD_OPS_PLACE_OOB
- *
- * These modes can be passed to ioctl(MEMWRITE) and are also used internally.
- * See notes on "MTD file modes" for discussion on %MTD_OPS_RAW vs.
- * %MTD_FILE_MODE_RAW.
- */
-enum {
- MTD_OPS_PLACE_OOB = 0,
- MTD_OPS_AUTO_OOB = 1,
- MTD_OPS_RAW = 2,
-};
-
-/**
- * struct mtd_write_req - data structure for requesting a write operation
- *
- * @start: start address
- * @len: length of data buffer
- * @ooblen: length of OOB buffer
- * @usr_data: user-provided data buffer
- * @usr_oob: user-provided OOB buffer
- * @mode: MTD mode (see "MTD operation modes")
- * @padding: reserved, must be set to 0
- *
- * This structure supports ioctl(MEMWRITE) operations, allowing data and/or OOB
- * writes in various modes. To write to OOB-only, set @usr_data == NULL, and to
- * write data-only, set @usr_oob == NULL. However, setting both @usr_data and
- * @usr_oob to NULL is not allowed.
- */
-struct mtd_write_req {
- __u64 start;
- __u64 len;
- __u64 ooblen;
- __u64 usr_data;
- __u64 usr_oob;
- __u8 mode;
- __u8 padding[7];
-};
-
-#define MTD_ABSENT 0
-#define MTD_RAM 1
-#define MTD_ROM 2
-#define MTD_NORFLASH 3
-#define MTD_NANDFLASH 4 /* SLC NAND */
-#define MTD_DATAFLASH 6
-#define MTD_UBIVOLUME 7
-#define MTD_MLCNANDFLASH 8 /* MLC NAND (including TLC) */
-
-#define MTD_WRITEABLE 0x400 /* Device is writeable */
-#define MTD_BIT_WRITEABLE 0x800 /* Single bits can be flipped */
-#define MTD_NO_ERASE 0x1000 /* No erase necessary */
-#define MTD_POWERUP_LOCK 0x2000 /* Always locked after reset */
-
-/* Some common devices / combinations of capabilities */
-#define MTD_CAP_ROM 0
-#define MTD_CAP_RAM (MTD_WRITEABLE | MTD_BIT_WRITEABLE | MTD_NO_ERASE)
-#define MTD_CAP_NORFLASH (MTD_WRITEABLE | MTD_BIT_WRITEABLE)
-#define MTD_CAP_NANDFLASH (MTD_WRITEABLE)
-#define MTD_CAP_NVRAM (MTD_WRITEABLE | MTD_BIT_WRITEABLE | MTD_NO_ERASE)
-
-/* Obsolete ECC byte placement modes (used with obsolete MEMGETOOBSEL) */
-#define MTD_NANDECC_OFF 0 /* Switch off ECC (Not recommended) */
-#define MTD_NANDECC_PLACE 1 /* Use the given placement in the structure (YAFFS1 legacy mode) */
-#define MTD_NANDECC_AUTOPLACE 2 /* Use the default placement scheme */
-#define MTD_NANDECC_PLACEONLY 3 /* Use the given placement in the structure (Do not store ecc result on read) */
-#define MTD_NANDECC_AUTOPL_USR 4 /* Use the given autoplacement scheme rather than using the default */
-
-/* OTP mode selection */
-#define MTD_OTP_OFF 0
-#define MTD_OTP_FACTORY 1
-#define MTD_OTP_USER 2
-
-struct mtd_info_user {
- __u8 type;
- __u32 flags;
- __u32 size; /* Total size of the MTD */
- __u32 erasesize;
- __u32 writesize;
- __u32 oobsize; /* Amount of OOB data per block (e.g. 16) */
- __u64 padding; /* Old obsolete field; do not use */
-};
-
-struct region_info_user {
- __u32 offset; /* At which this region starts,
- * from the beginning of the MTD */
- __u32 erasesize; /* For this region */
- __u32 numblocks; /* Number of blocks in this region */
- __u32 regionindex;
-};
-
-struct otp_info {
- __u32 start;
- __u32 length;
- __u32 locked;
-};
-
-/*
- * Note, the following ioctl existed in the past and was removed:
- * #define MEMSETOOBSEL _IOW('M', 9, struct nand_oobinfo)
- * Try to avoid adding a new ioctl with the same ioctl number.
- */
-
-/* Get basic MTD characteristics info (better to use sysfs) */
-#define MEMGETINFO _IOR('M', 1, struct mtd_info_user)
-/* Erase segment of MTD */
-#define MEMERASE _IOW('M', 2, struct erase_info_user)
-/* Write out-of-band data from MTD */
-#define MEMWRITEOOB _IOWR('M', 3, struct mtd_oob_buf)
-/* Read out-of-band data from MTD */
-#define MEMREADOOB _IOWR('M', 4, struct mtd_oob_buf)
-/* Lock a chip (for MTD that supports it) */
-#define MEMLOCK _IOW('M', 5, struct erase_info_user)
-/* Unlock a chip (for MTD that supports it) */
-#define MEMUNLOCK _IOW('M', 6, struct erase_info_user)
-/* Get the number of different erase regions */
-#define MEMGETREGIONCOUNT _IOR('M', 7, int)
-/* Get information about the erase region for a specific index */
-#define MEMGETREGIONINFO _IOWR('M', 8, struct region_info_user)
-/* Get info about OOB modes (e.g., RAW, PLACE, AUTO) - legacy interface */
-#define MEMGETOOBSEL _IOR('M', 10, struct nand_oobinfo)
-/* Check if an eraseblock is bad */
-#define MEMGETBADBLOCK _IOW('M', 11, __kernel_loff_t)
-/* Mark an eraseblock as bad */
-#define MEMSETBADBLOCK _IOW('M', 12, __kernel_loff_t)
-/* Set OTP (One-Time Programmable) mode (factory vs. user) */
-#define OTPSELECT _IOR('M', 13, int)
-/* Get number of OTP (One-Time Programmable) regions */
-#define OTPGETREGIONCOUNT _IOW('M', 14, int)
-/* Get all OTP (One-Time Programmable) info about MTD */
-#define OTPGETREGIONINFO _IOW('M', 15, struct otp_info)
-/* Lock a given range of user data (must be in mode %MTD_FILE_MODE_OTP_USER) */
-#define OTPLOCK _IOR('M', 16, struct otp_info)
-/* Get ECC layout (deprecated) */
-#define ECCGETLAYOUT _IOR('M', 17, struct nand_ecclayout_user)
-/* Get statistics about corrected/uncorrected errors */
-#define ECCGETSTATS _IOR('M', 18, struct mtd_ecc_stats)
-/* Set MTD mode on a per-file-descriptor basis (see "MTD file modes") */
-#define MTDFILEMODE _IO('M', 19)
-/* Erase segment of MTD (supports 64-bit address) */
-#define MEMERASE64 _IOW('M', 20, struct erase_info_user64)
-/* Write data to OOB (64-bit version) */
-#define MEMWRITEOOB64 _IOWR('M', 21, struct mtd_oob_buf64)
-/* Read data from OOB (64-bit version) */
-#define MEMREADOOB64 _IOWR('M', 22, struct mtd_oob_buf64)
-/* Check if chip is locked (for MTD that supports it) */
-#define MEMISLOCKED _IOR('M', 23, struct erase_info_user)
-/*
- * Most generic write interface; can write in-band and/or out-of-band in various
- * modes (see "struct mtd_write_req"). This ioctl is not supported for flashes
- * without OOB, e.g., NOR flash.
- */
-#define MEMWRITE _IOWR('M', 24, struct mtd_write_req)
-
-/*
- * Obsolete legacy interface. Keep it in order not to break userspace
- * interfaces
- */
-struct nand_oobinfo {
- __u32 useecc;
- __u32 eccbytes;
- __u32 oobfree[8][2];
- __u32 eccpos[32];
-};
-
-struct nand_oobfree {
- __u32 offset;
- __u32 length;
-};
-
-#define MTD_MAX_OOBFREE_ENTRIES 8
-#define MTD_MAX_ECCPOS_ENTRIES 64
-/*
- * OBSOLETE: ECC layout control structure. Exported to user-space via ioctl
- * ECCGETLAYOUT for backwards compatbility and should not be mistaken as a
- * complete set of ECC information. The ioctl truncates the larger internal
- * structure to retain binary compatibility with the static declaration of the
- * ioctl. Note that the "MTD_MAX_..._ENTRIES" macros represent the max size of
- * the user struct, not the MAX size of the internal OOB layout representation.
- */
-struct nand_ecclayout_user {
- __u32 eccbytes;
- __u32 eccpos[MTD_MAX_ECCPOS_ENTRIES];
- __u32 oobavail;
- struct nand_oobfree oobfree[MTD_MAX_OOBFREE_ENTRIES];
-};
-
-/**
- * struct mtd_ecc_stats - error correction stats
- *
- * @corrected: number of corrected bits
- * @failed: number of uncorrectable errors
- * @badblocks: number of bad blocks in this partition
- * @bbtblocks: number of blocks reserved for bad block tables
- */
-struct mtd_ecc_stats {
- __u32 corrected;
- __u32 failed;
- __u32 badblocks;
- __u32 bbtblocks;
-};
-
-/*
- * MTD file modes - for read/write access to MTD
- *
- * @MTD_FILE_MODE_NORMAL: OTP disabled, ECC enabled
- * @MTD_FILE_MODE_OTP_FACTORY: OTP enabled in factory mode
- * @MTD_FILE_MODE_OTP_USER: OTP enabled in user mode
- * @MTD_FILE_MODE_RAW: OTP disabled, ECC disabled
- *
- * These modes can be set via ioctl(MTDFILEMODE). The mode mode will be retained
- * separately for each open file descriptor.
- *
- * Note: %MTD_FILE_MODE_RAW provides the same functionality as %MTD_OPS_RAW -
- * raw access to the flash, without error correction or autoplacement schemes.
- * Wherever possible, the MTD_OPS_* mode will override the MTD_FILE_MODE_* mode
- * (e.g., when using ioctl(MEMWRITE)), but in some cases, the MTD_FILE_MODE is
- * used out of necessity (e.g., `write()', ioctl(MEMWRITEOOB64)).
- */
-enum mtd_file_modes {
- MTD_FILE_MODE_NORMAL = MTD_OTP_OFF,
- MTD_FILE_MODE_OTP_FACTORY = MTD_OTP_FACTORY,
- MTD_FILE_MODE_OTP_USER = MTD_OTP_USER,
- MTD_FILE_MODE_RAW,
-};
-
-static __inline__ int mtd_type_is_nand_user(const struct mtd_info_user *mtd)
-{
- return mtd->type == MTD_NANDFLASH || mtd->type == MTD_MLCNANDFLASH;
-}
-
-#endif /* __MTD_ABI_H__ */
+/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
+/*
+ * Copyright © 1999-2010 David Woodhouse <dwmw2@infradead.org> et al.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ */
+
+#ifndef __MTD_ABI_H__
+#define __MTD_ABI_H__
+
+#include <linux/types.h>
+
+struct erase_info_user {
+ __u32 start;
+ __u32 length;
+};
+
+struct erase_info_user64 {
+ __u64 start;
+ __u64 length;
+};
+
+struct mtd_oob_buf {
+ __u32 start;
+ __u32 length;
+ unsigned char *ptr;
+};
+
+struct mtd_oob_buf64 {
+ __u64 start;
+ __u32 pad;
+ __u32 length;
+ __u64 usr_ptr;
+};
+
+/**
+ * MTD operation modes
+ *
+ * @MTD_OPS_PLACE_OOB: OOB data are placed at the given offset (default)
+ * @MTD_OPS_AUTO_OOB: OOB data are automatically placed at the free areas
+ * which are defined by the internal ecclayout
+ * @MTD_OPS_RAW: data are transferred as-is, with no error correction;
+ * this mode implies %MTD_OPS_PLACE_OOB
+ *
+ * These modes can be passed to ioctl(MEMWRITE) and are also used internally.
+ * See notes on "MTD file modes" for discussion on %MTD_OPS_RAW vs.
+ * %MTD_FILE_MODE_RAW.
+ */
+enum {
+ MTD_OPS_PLACE_OOB = 0,
+ MTD_OPS_AUTO_OOB = 1,
+ MTD_OPS_RAW = 2,
+};
+
+/**
+ * struct mtd_write_req - data structure for requesting a write operation
+ *
+ * @start: start address
+ * @len: length of data buffer
+ * @ooblen: length of OOB buffer
+ * @usr_data: user-provided data buffer
+ * @usr_oob: user-provided OOB buffer
+ * @mode: MTD mode (see "MTD operation modes")
+ * @padding: reserved, must be set to 0
+ *
+ * This structure supports ioctl(MEMWRITE) operations, allowing data and/or OOB
+ * writes in various modes. To write to OOB-only, set @usr_data == NULL, and to
+ * write data-only, set @usr_oob == NULL. However, setting both @usr_data and
+ * @usr_oob to NULL is not allowed.
+ */
+struct mtd_write_req {
+ __u64 start;
+ __u64 len;
+ __u64 ooblen;
+ __u64 usr_data;
+ __u64 usr_oob;
+ __u8 mode;
+ __u8 padding[7];
+};
+
+#define MTD_ABSENT 0
+#define MTD_RAM 1
+#define MTD_ROM 2
+#define MTD_NORFLASH 3
+#define MTD_NANDFLASH 4 /* SLC NAND */
+#define MTD_DATAFLASH 6
+#define MTD_UBIVOLUME 7
+#define MTD_MLCNANDFLASH 8 /* MLC NAND (including TLC) */
+
+#define MTD_WRITEABLE 0x400 /* Device is writeable */
+#define MTD_BIT_WRITEABLE 0x800 /* Single bits can be flipped */
+#define MTD_NO_ERASE 0x1000 /* No erase necessary */
+#define MTD_POWERUP_LOCK 0x2000 /* Always locked after reset */
+
+/* Some common devices / combinations of capabilities */
+#define MTD_CAP_ROM 0
+#define MTD_CAP_RAM (MTD_WRITEABLE | MTD_BIT_WRITEABLE | MTD_NO_ERASE)
+#define MTD_CAP_NORFLASH (MTD_WRITEABLE | MTD_BIT_WRITEABLE)
+#define MTD_CAP_NANDFLASH (MTD_WRITEABLE)
+#define MTD_CAP_NVRAM (MTD_WRITEABLE | MTD_BIT_WRITEABLE | MTD_NO_ERASE)
+
+/* Obsolete ECC byte placement modes (used with obsolete MEMGETOOBSEL) */
+#define MTD_NANDECC_OFF 0 /* Switch off ECC (Not recommended) */
+#define MTD_NANDECC_PLACE 1 /* Use the given placement in the structure (YAFFS1 legacy mode) */
+#define MTD_NANDECC_AUTOPLACE 2 /* Use the default placement scheme */
+#define MTD_NANDECC_PLACEONLY 3 /* Use the given placement in the structure (Do not store ecc result on read) */
+#define MTD_NANDECC_AUTOPL_USR 4 /* Use the given autoplacement scheme rather than using the default */
+
+/* OTP mode selection */
+#define MTD_OTP_OFF 0
+#define MTD_OTP_FACTORY 1
+#define MTD_OTP_USER 2
+
+struct mtd_info_user {
+ __u8 type;
+ __u32 flags;
+ __u32 size; /* Total size of the MTD */
+ __u32 erasesize;
+ __u32 writesize;
+ __u32 oobsize; /* Amount of OOB data per block (e.g. 16) */
+ __u64 padding; /* Old obsolete field; do not use */
+};
+
+struct region_info_user {
+ __u32 offset; /* At which this region starts,
+ * from the beginning of the MTD */
+ __u32 erasesize; /* For this region */
+ __u32 numblocks; /* Number of blocks in this region */
+ __u32 regionindex;
+};
+
+struct otp_info {
+ __u32 start;
+ __u32 length;
+ __u32 locked;
+};
+
+/*
+ * Note, the following ioctl existed in the past and was removed:
+ * #define MEMSETOOBSEL _IOW('M', 9, struct nand_oobinfo)
+ * Try to avoid adding a new ioctl with the same ioctl number.
+ */
+
+/* Get basic MTD characteristics info (better to use sysfs) */
+#define MEMGETINFO _IOR('M', 1, struct mtd_info_user)
+/* Erase segment of MTD */
+#define MEMERASE _IOW('M', 2, struct erase_info_user)
+/* Write out-of-band data from MTD */
+#define MEMWRITEOOB _IOWR('M', 3, struct mtd_oob_buf)
+/* Read out-of-band data from MTD */
+#define MEMREADOOB _IOWR('M', 4, struct mtd_oob_buf)
+/* Lock a chip (for MTD that supports it) */
+#define MEMLOCK _IOW('M', 5, struct erase_info_user)
+/* Unlock a chip (for MTD that supports it) */
+#define MEMUNLOCK _IOW('M', 6, struct erase_info_user)
+/* Get the number of different erase regions */
+#define MEMGETREGIONCOUNT _IOR('M', 7, int)
+/* Get information about the erase region for a specific index */
+#define MEMGETREGIONINFO _IOWR('M', 8, struct region_info_user)
+/* Get info about OOB modes (e.g., RAW, PLACE, AUTO) - legacy interface */
+#define MEMGETOOBSEL _IOR('M', 10, struct nand_oobinfo)
+/* Check if an eraseblock is bad */
+#define MEMGETBADBLOCK _IOW('M', 11, __kernel_loff_t)
+/* Mark an eraseblock as bad */
+#define MEMSETBADBLOCK _IOW('M', 12, __kernel_loff_t)
+/* Set OTP (One-Time Programmable) mode (factory vs. user) */
+#define OTPSELECT _IOR('M', 13, int)
+/* Get number of OTP (One-Time Programmable) regions */
+#define OTPGETREGIONCOUNT _IOW('M', 14, int)
+/* Get all OTP (One-Time Programmable) info about MTD */
+#define OTPGETREGIONINFO _IOW('M', 15, struct otp_info)
+/* Lock a given range of user data (must be in mode %MTD_FILE_MODE_OTP_USER) */
+#define OTPLOCK _IOR('M', 16, struct otp_info)
+/* Get ECC layout (deprecated) */
+#define ECCGETLAYOUT _IOR('M', 17, struct nand_ecclayout_user)
+/* Get statistics about corrected/uncorrected errors */
+#define ECCGETSTATS _IOR('M', 18, struct mtd_ecc_stats)
+/* Set MTD mode on a per-file-descriptor basis (see "MTD file modes") */
+#define MTDFILEMODE _IO('M', 19)
+/* Erase segment of MTD (supports 64-bit address) */
+#define MEMERASE64 _IOW('M', 20, struct erase_info_user64)
+/* Write data to OOB (64-bit version) */
+#define MEMWRITEOOB64 _IOWR('M', 21, struct mtd_oob_buf64)
+/* Read data from OOB (64-bit version) */
+#define MEMREADOOB64 _IOWR('M', 22, struct mtd_oob_buf64)
+/* Check if chip is locked (for MTD that supports it) */
+#define MEMISLOCKED _IOR('M', 23, struct erase_info_user)
+/*
+ * Most generic write interface; can write in-band and/or out-of-band in various
+ * modes (see "struct mtd_write_req"). This ioctl is not supported for flashes
+ * without OOB, e.g., NOR flash.
+ */
+#define MEMWRITE _IOWR('M', 24, struct mtd_write_req)
+
+/*
+ * Obsolete legacy interface. Keep it in order not to break userspace
+ * interfaces
+ */
+struct nand_oobinfo {
+ __u32 useecc;
+ __u32 eccbytes;
+ __u32 oobfree[8][2];
+ __u32 eccpos[32];
+};
+
+struct nand_oobfree {
+ __u32 offset;
+ __u32 length;
+};
+
+#define MTD_MAX_OOBFREE_ENTRIES 8
+#define MTD_MAX_ECCPOS_ENTRIES 64
+/*
+ * OBSOLETE: ECC layout control structure. Exported to user-space via ioctl
+ * ECCGETLAYOUT for backwards compatbility and should not be mistaken as a
+ * complete set of ECC information. The ioctl truncates the larger internal
+ * structure to retain binary compatibility with the static declaration of the
+ * ioctl. Note that the "MTD_MAX_..._ENTRIES" macros represent the max size of
+ * the user struct, not the MAX size of the internal OOB layout representation.
+ */
+struct nand_ecclayout_user {
+ __u32 eccbytes;
+ __u32 eccpos[MTD_MAX_ECCPOS_ENTRIES];
+ __u32 oobavail;
+ struct nand_oobfree oobfree[MTD_MAX_OOBFREE_ENTRIES];
+};
+
+/**
+ * struct mtd_ecc_stats - error correction stats
+ *
+ * @corrected: number of corrected bits
+ * @failed: number of uncorrectable errors
+ * @badblocks: number of bad blocks in this partition
+ * @bbtblocks: number of blocks reserved for bad block tables
+ */
+struct mtd_ecc_stats {
+ __u32 corrected;
+ __u32 failed;
+ __u32 badblocks;
+ __u32 bbtblocks;
+};
+
+/*
+ * MTD file modes - for read/write access to MTD
+ *
+ * @MTD_FILE_MODE_NORMAL: OTP disabled, ECC enabled
+ * @MTD_FILE_MODE_OTP_FACTORY: OTP enabled in factory mode
+ * @MTD_FILE_MODE_OTP_USER: OTP enabled in user mode
+ * @MTD_FILE_MODE_RAW: OTP disabled, ECC disabled
+ *
+ * These modes can be set via ioctl(MTDFILEMODE). The mode mode will be retained
+ * separately for each open file descriptor.
+ *
+ * Note: %MTD_FILE_MODE_RAW provides the same functionality as %MTD_OPS_RAW -
+ * raw access to the flash, without error correction or autoplacement schemes.
+ * Wherever possible, the MTD_OPS_* mode will override the MTD_FILE_MODE_* mode
+ * (e.g., when using ioctl(MEMWRITE)), but in some cases, the MTD_FILE_MODE is
+ * used out of necessity (e.g., `write()', ioctl(MEMWRITEOOB64)).
+ */
+enum mtd_file_modes {
+ MTD_FILE_MODE_NORMAL = MTD_OTP_OFF,
+ MTD_FILE_MODE_OTP_FACTORY = MTD_OTP_FACTORY,
+ MTD_FILE_MODE_OTP_USER = MTD_OTP_USER,
+ MTD_FILE_MODE_RAW,
+};
+
+static __inline__ int mtd_type_is_nand_user(const struct mtd_info_user *mtd)
+{
+ return mtd->type == MTD_NANDFLASH || mtd->type == MTD_MLCNANDFLASH;
+}
+
+#endif /* __MTD_ABI_H__ */