linux/mtd/ubi.h

1 /* SPDX-License-Identifier: GPL-2.0+ */
15 #include <mtd/ubi-user.h>
19 #define UBI_ALL -1
22  * Maximum number of scatter gather list entries,
28  * enum ubi_open_mode - UBI volume open mode constants.
30  * UBI_READONLY: read-only mode
31  * UBI_READWRITE: read-write mode
33  * UBI_METAONLY: modify only the volume meta-data,
44  * struct ubi_volume_info - UBI volume description data structure.
52  * @corrupted: non-zero if the volume is corrupted (static volumes only)
53  * @upd_marker: non-zero if the volume has update marker set
92  *	@usable_leb_size = LEB size - (LEB size mod @alignment),
118  * struct ubi_sgl - UBI scatter gather list data structure.
121  * @sg: the scatter gather list itself
123  * ubi_sgl is a wrapper around a scatter list which keeps track of the
136  * ubi_sgl_init - initialize an UBI scatter gather list data structure.
137  * @usgl: the UBI scatter gather struct itself
144 	usgl->list_pos = 0;  in ubi_sgl_init()
145 	usgl->page_pos = 0;  in ubi_sgl_init()
149  * struct ubi_device_info - UBI device description data structure.
157  * @ro_mode: if this device is in read-only mode
166  * %1. However, it does not mean than NOR flash has to write data byte-by-byte.
167  * Instead, CFI NOR flashes have a write-buffer of, e.g., 64 bytes, and when
168  * writing large chunks of data, they write 64-bytes at a time. Obviously, this
198  * @UBI_VOLUME_RESIZED: a volume has been re-sized
199  * @UBI_VOLUME_RENAMED: a volume has been re-named
214  * struct ubi_notification - UBI notification description structure.