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- /*
- * The parts taken from the kernel implementation are:
- *
- * Copyright (c) International Business Machines Corp., 2006
- *
- * UBISPL specific defines:
- *
- * Copyright (c) Thomas Gleixner <tglx@linutronix.de>
- *
- * SPDX-License-Identifier: GPL 2.0+ BSD-3-Clause
- */
- /*
- * Contains various defines copy&pasted from ubi.h and ubi-user.h to make
- * the upstream fastboot code happy.
- */
- #ifndef __UBOOT_UBI_WRAPPER_H
- #define __UBOOT_UBI_WRAPPER_H
- /*
- * Error codes returned by the I/O sub-system.
- *
- * UBI_IO_FF: the read region of flash contains only 0xFFs
- * UBI_IO_FF_BITFLIPS: the same as %UBI_IO_FF, but also also there was a data
- * integrity error reported by the MTD driver
- * (uncorrectable ECC error in case of NAND)
- * UBI_IO_BAD_HDR: the EC or VID header is corrupted (bad magic or CRC)
- * UBI_IO_BAD_HDR_EBADMSG: the same as %UBI_IO_BAD_HDR, but also there was a
- * data integrity error reported by the MTD driver
- * (uncorrectable ECC error in case of NAND)
- * UBI_IO_BITFLIPS: bit-flips were detected and corrected
- *
- * UBI_FASTMAP_ANCHOR: u-boot SPL add on to tell the caller that the fastmap
- * anchor block has been found
- *
- * Note, it is probably better to have bit-flip and ebadmsg as flags which can
- * be or'ed with other error code. But this is a big change because there are
- * may callers, so it does not worth the risk of introducing a bug
- */
- enum {
- UBI_IO_FF = 1,
- UBI_IO_FF_BITFLIPS,
- UBI_IO_BAD_HDR,
- UBI_IO_BAD_HDR_EBADMSG,
- UBI_IO_BITFLIPS,
- UBI_FASTMAP_ANCHOR,
- };
- /*
- * UBI volume type constants.
- *
- * @UBI_DYNAMIC_VOLUME: dynamic volume
- * @UBI_STATIC_VOLUME: static volume
- */
- enum {
- UBI_DYNAMIC_VOLUME = 3,
- UBI_STATIC_VOLUME = 4,
- };
- /*
- * Return codes of the fastmap sub-system
- *
- * UBI_NO_FASTMAP: No fastmap super block was found
- * UBI_BAD_FASTMAP: A fastmap was found but it's unusable
- */
- enum {
- UBI_NO_FASTMAP = 1,
- UBI_BAD_FASTMAP,
- };
- /**
- * struct ubi_fastmap_layout - in-memory fastmap data structure.
- * @e: PEBs used by the current fastmap
- * @to_be_tortured: if non-zero tortured this PEB
- * @used_blocks: number of used PEBs
- * @max_pool_size: maximal size of the user pool
- * @max_wl_pool_size: maximal size of the pool used by the WL sub-system
- */
- struct ubi_fastmap_layout {
- struct ubi_wl_entry *e[UBI_FM_MAX_BLOCKS];
- int to_be_tortured[UBI_FM_MAX_BLOCKS];
- int used_blocks;
- int max_pool_size;
- int max_wl_pool_size;
- };
- /**
- * struct ubi_fm_pool - in-memory fastmap pool
- * @pebs: PEBs in this pool
- * @used: number of used PEBs
- * @size: total number of PEBs in this pool
- * @max_size: maximal size of the pool
- *
- * A pool gets filled with up to max_size.
- * If all PEBs within the pool are used a new fastmap will be written
- * to the flash and the pool gets refilled with empty PEBs.
- *
- */
- struct ubi_fm_pool {
- int pebs[UBI_FM_MAX_POOL_SIZE];
- int used;
- int size;
- int max_size;
- };
- #endif
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