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/kernel/linux/linux-6.6/drivers/mtd/ubi/
Dfastmap-wl.c14 struct ubi_device *ubi = container_of(wrk, struct ubi_device, fm_work); in update_fastmap_work_fn() local
16 ubi_update_fastmap(ubi); in update_fastmap_work_fn()
17 spin_lock(&ubi->wl_lock); in update_fastmap_work_fn()
18 ubi->fm_work_scheduled = 0; in update_fastmap_work_fn()
19 spin_unlock(&ubi->wl_lock); in update_fastmap_work_fn()
42 static inline void return_unused_peb(struct ubi_device *ubi, in return_unused_peb() argument
45 wl_tree_add(e, &ubi->free); in return_unused_peb()
46 ubi->free_count++; in return_unused_peb()
51 * @ubi: UBI device description object
54 static void return_unused_pool_pebs(struct ubi_device *ubi, in return_unused_pool_pebs() argument
[all …]
Dbuild.c11 * This file includes UBI initialization and building of UBI devices.
13 * When UBI is initialized, it attaches all the MTD devices specified as the
15 * specified, UBI does not attach any MTD device, but it is possible to do
16 * later using the "UBI control device".
32 #include "ubi.h"
53 * @ubi_num: UBI number
72 /* UBI module parameter to enable fastmap automatically on non-fastmap images */
80 /* UBI control character device */
87 /* All UBI devices in system */
90 /* Serializes UBI devices creations and removals */
[all …]
Dwl.c9 * UBI wear-leveling sub-system.
23 * done asynchronously in context of the per-UBI device background thread,
37 * As it was said, for the UBI sub-system all physical eraseblocks are either
92 #include "ubi.h"
125 static int self_check_ec(struct ubi_device *ubi, int pnum, int ec);
126 static int self_check_in_wl_tree(const struct ubi_device *ubi,
128 static int self_check_in_pq(const struct ubi_device *ubi,
137 * the @ubi->used and @ubi->free RB-trees.
169 * @ubi: UBI device description object
175 static void wl_entry_destroy(struct ubi_device *ubi, struct ubi_wl_entry *e) in wl_entry_destroy() argument
[all …]
Dvmt.c17 #include "ubi.h"
19 static int self_check_volumes(struct ubi_device *ubi);
24 /* Device attributes corresponding to files in '/<sysfs>/class/ubi/ubiX_Y' */
43 * "Show" method for files in '/<sysfs>/class/ubi/ubiX_Y/'.
47 * /<sysfs>/class/ubi/ubiX_Y/reserved_ebs;
49 * C. process 1 starts reading the /<sysfs>/class/ubi/ubiX_Y/reserved_ebs file;
52 * out that the volume was removed from the @ubi->volumes array.
59 struct ubi_device *ubi = vol->ubi; in vol_attribute_show() local
61 spin_lock(&ubi->volumes_lock); in vol_attribute_show()
62 if (!ubi->volumes[vol->vol_id]) { in vol_attribute_show()
[all …]
Dio.c10 * UBI input/output sub-system.
14 * writing UBI headers.
26 * changed. For example, for different reasons (e.g., optimization) UBI may be
28 * offset. Of course, if the offset of the VID header is unaligned, UBI adds
32 * About minimal I/O units. In general, UBI assumes flash device model where
35 * @ubi->mtd->writesize field. But as an exception, UBI admits use of another
40 * write operations to one NAND page. In this case UBI can fit EC and VID
41 * headers at one NAND page. Thus, UBI may use "sub-page" size as the minimal
42 * I/O unit for the headers (the @ubi->hdrs_min_io_size field). But it still
43 * reports NAND page size (@ubi->min_io_size) as a minimal I/O unit for the UBI
[all …]
Dfastmap.c10 #include "ubi.h"
14 * @ubi: UBI device description object
16 static inline unsigned long *init_seen(struct ubi_device *ubi) in init_seen() argument
20 if (!ubi_dbg_chk_fastmap(ubi)) in init_seen()
23 ret = bitmap_zalloc(ubi->peb_count, GFP_KERNEL); in init_seen()
32 * @seen: integer array of @ubi->peb_count size
41 * @ubi: UBI device description object
43 * @seen: integer array of @ubi->peb_count size
45 static inline void set_seen(struct ubi_device *ubi, int pnum, unsigned long *seen) in set_seen() argument
47 if (!ubi_dbg_chk_fastmap(ubi) || !seen) in set_seen()
[all …]
Dvtbl.c29 * In this UBI implementation the on-flash volume table does not contain any
52 #include "ubi.h"
54 static void self_vtbl_check(const struct ubi_device *ubi);
61 * @ubi: UBI device description object
63 static int ubi_update_layout_vol(struct ubi_device *ubi) in ubi_update_layout_vol() argument
68 layout_vol = ubi->volumes[vol_id2idx(ubi, UBI_LAYOUT_VOLUME_ID)]; in ubi_update_layout_vol()
70 err = ubi_eba_atomic_leb_change(ubi, layout_vol, i, ubi->vtbl, in ubi_update_layout_vol()
71 ubi->vtbl_size); in ubi_update_layout_vol()
81 * @ubi: UBI device description object
90 int ubi_change_vtbl_record(struct ubi_device *ubi, int idx, in ubi_change_vtbl_record() argument
[all …]
Deba.c9 * The UBI Eraseblock Association (EBA) sub-system.
34 #include "ubi.h"
65 * @ubi: UBI device description object
71 unsigned long long ubi_next_sqnum(struct ubi_device *ubi) in ubi_next_sqnum() argument
75 spin_lock(&ubi->ltree_lock); in ubi_next_sqnum()
76 sqnum = ubi->global_sqnum++; in ubi_next_sqnum()
77 spin_unlock(&ubi->ltree_lock); in ubi_next_sqnum()
84 * @ubi: UBI device description object
90 static int ubi_get_compat(const struct ubi_device *ubi, int vol_id) in ubi_get_compat() argument
202 * @ubi: UBI device description object
[all …]
Dmisc.c8 /* Here we keep miscellaneous functions which are used all over the UBI code */
10 #include "ubi.h"
14 * @ubi: UBI device description object
22 int ubi_calc_data_len(const struct ubi_device *ubi, const void *buf, in ubi_calc_data_len() argument
27 ubi_assert(!(length & (ubi->min_io_size - 1))); in ubi_calc_data_len()
34 length = ALIGN(i + 1, ubi->min_io_size); in ubi_calc_data_len()
40 * @ubi: UBI device description object
48 int ubi_check_volume(struct ubi_device *ubi, int vol_id) in ubi_check_volume() argument
52 struct ubi_volume *vol = ubi->volumes[vol_id]; in ubi_check_volume()
71 err = ubi_eba_read_leb(ubi, vol, i, buf, 0, size, 1); in ubi_check_volume()
[all …]
Dkapi.c8 /* This file mostly implements UBI kernel API functions */
16 #include "ubi.h"
19 * ubi_do_get_device_info - get information about UBI device.
20 * @ubi: UBI device description object
23 * This function is the same as 'ubi_get_device_info()', but it assumes the UBI
26 void ubi_do_get_device_info(struct ubi_device *ubi, struct ubi_device_info *di) in ubi_do_get_device_info() argument
28 di->ubi_num = ubi->ubi_num; in ubi_do_get_device_info()
29 di->leb_size = ubi->leb_size; in ubi_do_get_device_info()
30 di->leb_start = ubi->leb_start; in ubi_do_get_device_info()
31 di->min_io_size = ubi->min_io_size; in ubi_do_get_device_info()
[all …]
Dubi.h28 #include <linux/mtd/ubi.h>
31 #include "ubi-media.h"
33 /* Maximum number of supported UBI devices */
36 /* UBI name used for character devices, sysfs, etc */
37 #define UBI_NAME_STR "ubi"
41 /* Normal UBI messages */
43 void ubi_msg(const struct ubi_device *ubi, const char *fmt, ...);
45 /* UBI warning messages */
47 void ubi_warn(const struct ubi_device *ubi, const char *fmt, ...);
49 /* UBI error messages */
[all …]
/kernel/linux/linux-5.10/drivers/mtd/ubi/
Dbuild.c11 * This file includes UBI initialization and building of UBI devices.
13 * When UBI is initialized, it attaches all the MTD devices specified as the
15 * specified, UBI does not attach any MTD device, but it is possible to do
16 * later using the "UBI control device".
32 #include "ubi.h"
69 /* UBI module parameter to enable fastmap automatically on non-fastmap images */
77 /* UBI control character device */
84 /* All UBI devices in system */
87 /* Serializes UBI devices creations and removals */
90 /* Protects @ubi_devices and @ubi->ref_count */
[all …]
Dfastmap-wl.c14 struct ubi_device *ubi = container_of(wrk, struct ubi_device, fm_work); in update_fastmap_work_fn() local
16 ubi_update_fastmap(ubi); in update_fastmap_work_fn()
17 spin_lock(&ubi->wl_lock); in update_fastmap_work_fn()
18 ubi->fm_work_scheduled = 0; in update_fastmap_work_fn()
19 spin_unlock(&ubi->wl_lock); in update_fastmap_work_fn()
42 static inline void return_unused_peb(struct ubi_device *ubi, in return_unused_peb() argument
45 wl_tree_add(e, &ubi->free); in return_unused_peb()
46 ubi->free_count++; in return_unused_peb()
51 * @ubi: UBI device description object
54 static void return_unused_pool_pebs(struct ubi_device *ubi, in return_unused_pool_pebs() argument
[all …]
Dwl.c9 * UBI wear-leveling sub-system.
23 * done asynchronously in context of the per-UBI device background thread,
37 * As it was said, for the UBI sub-system all physical eraseblocks are either
92 #include "ubi.h"
125 static int self_check_ec(struct ubi_device *ubi, int pnum, int ec);
126 static int self_check_in_wl_tree(const struct ubi_device *ubi,
128 static int self_check_in_pq(const struct ubi_device *ubi,
137 * the @ubi->used and @ubi->free RB-trees.
169 * @ubi: UBI device description object
175 static void wl_entry_destroy(struct ubi_device *ubi, struct ubi_wl_entry *e) in wl_entry_destroy() argument
[all …]
Dvmt.c17 #include "ubi.h"
19 static int self_check_volumes(struct ubi_device *ubi);
24 /* Device attributes corresponding to files in '/<sysfs>/class/ubi/ubiX_Y' */
43 * "Show" method for files in '/<sysfs>/class/ubi/ubiX_Y/'.
47 * /<sysfs>/class/ubi/ubiX_Y/reserved_ebs;
49 * C. process 1 starts reading the /<sysfs>/class/ubi/ubiX_Y/reserved_ebs file;
52 * out that the volume was removed from the @ubi->volumes array.
59 struct ubi_device *ubi = vol->ubi; in vol_attribute_show() local
61 spin_lock(&ubi->volumes_lock); in vol_attribute_show()
62 if (!ubi->volumes[vol->vol_id]) { in vol_attribute_show()
[all …]
Dio.c10 * UBI input/output sub-system.
14 * writing UBI headers.
26 * changed. For example, for different reasons (e.g., optimization) UBI may be
28 * offset. Of course, if the offset of the VID header is unaligned, UBI adds
32 * About minimal I/O units. In general, UBI assumes flash device model where
35 * @ubi->mtd->writesize field. But as an exception, UBI admits use of another
40 * write operations to one NAND page. In this case UBI can fit EC and VID
41 * headers at one NAND page. Thus, UBI may use "sub-page" size as the minimal
42 * I/O unit for the headers (the @ubi->hdrs_min_io_size field). But it still
43 * reports NAND page size (@ubi->min_io_size) as a minimal I/O unit for the UBI
[all …]
Dfastmap.c10 #include "ubi.h"
14 * @ubi: UBI device description object
16 static inline unsigned long *init_seen(struct ubi_device *ubi) in init_seen() argument
20 if (!ubi_dbg_chk_fastmap(ubi)) in init_seen()
23 ret = kcalloc(BITS_TO_LONGS(ubi->peb_count), sizeof(unsigned long), in init_seen()
33 * @seen: integer array of @ubi->peb_count size
42 * @ubi: UBI device description object
44 * @seen: integer array of @ubi->peb_count size
46 static inline void set_seen(struct ubi_device *ubi, int pnum, unsigned long *seen) in set_seen() argument
48 if (!ubi_dbg_chk_fastmap(ubi) || !seen) in set_seen()
[all …]
Dvtbl.c29 * In this UBI implementation the on-flash volume table does not contain any
52 #include "ubi.h"
54 static void self_vtbl_check(const struct ubi_device *ubi);
61 * @ubi: UBI device description object
63 static int ubi_update_layout_vol(struct ubi_device *ubi) in ubi_update_layout_vol() argument
68 layout_vol = ubi->volumes[vol_id2idx(ubi, UBI_LAYOUT_VOLUME_ID)]; in ubi_update_layout_vol()
70 err = ubi_eba_atomic_leb_change(ubi, layout_vol, i, ubi->vtbl, in ubi_update_layout_vol()
71 ubi->vtbl_size); in ubi_update_layout_vol()
81 * @ubi: UBI device description object
90 int ubi_change_vtbl_record(struct ubi_device *ubi, int idx, in ubi_change_vtbl_record() argument
[all …]
Deba.c9 * The UBI Eraseblock Association (EBA) sub-system.
34 #include "ubi.h"
65 * @ubi: UBI device description object
71 unsigned long long ubi_next_sqnum(struct ubi_device *ubi) in ubi_next_sqnum() argument
75 spin_lock(&ubi->ltree_lock); in ubi_next_sqnum()
76 sqnum = ubi->global_sqnum++; in ubi_next_sqnum()
77 spin_unlock(&ubi->ltree_lock); in ubi_next_sqnum()
84 * @ubi: UBI device description object
90 static int ubi_get_compat(const struct ubi_device *ubi, int vol_id) in ubi_get_compat() argument
203 * @ubi: UBI device description object
[all …]
Dmisc.c8 /* Here we keep miscellaneous functions which are used all over the UBI code */
10 #include "ubi.h"
14 * @ubi: UBI device description object
22 int ubi_calc_data_len(const struct ubi_device *ubi, const void *buf, in ubi_calc_data_len() argument
27 ubi_assert(!(length & (ubi->min_io_size - 1))); in ubi_calc_data_len()
34 length = ALIGN(i + 1, ubi->min_io_size); in ubi_calc_data_len()
40 * @ubi: UBI device description object
48 int ubi_check_volume(struct ubi_device *ubi, int vol_id) in ubi_check_volume() argument
52 struct ubi_volume *vol = ubi->volumes[vol_id]; in ubi_check_volume()
71 err = ubi_eba_read_leb(ubi, vol, i, buf, 0, size, 1); in ubi_check_volume()
[all …]
Dkapi.c8 /* This file mostly implements UBI kernel API functions */
16 #include "ubi.h"
19 * ubi_do_get_device_info - get information about UBI device.
20 * @ubi: UBI device description object
23 * This function is the same as 'ubi_get_device_info()', but it assumes the UBI
26 void ubi_do_get_device_info(struct ubi_device *ubi, struct ubi_device_info *di) in ubi_do_get_device_info() argument
28 di->ubi_num = ubi->ubi_num; in ubi_do_get_device_info()
29 di->leb_size = ubi->leb_size; in ubi_do_get_device_info()
30 di->leb_start = ubi->leb_start; in ubi_do_get_device_info()
31 di->min_io_size = ubi->min_io_size; in ubi_do_get_device_info()
[all …]
Dubi.h28 #include <linux/mtd/ubi.h>
31 #include "ubi-media.h"
33 /* Maximum number of supported UBI devices */
36 /* UBI name used for character devices, sysfs, etc */
37 #define UBI_NAME_STR "ubi"
41 /* Normal UBI messages */
43 void ubi_msg(const struct ubi_device *ubi, const char *fmt, ...);
45 /* UBI warning messages */
47 void ubi_warn(const struct ubi_device *ubi, const char *fmt, ...);
49 /* UBI error messages */
[all …]
Ddebug.h11 void ubi_dump_flash(struct ubi_device *ubi, int pnum, int offset, int len);
19 pr_crit("UBI assert failed in %s at %u (pid %d)\n", \
29 pr_debug("UBI DBG " type " (pid %d): " fmt "\n", current->pid, \
48 int ubi_self_check_all_ff(struct ubi_device *ubi, int pnum, int offset,
52 int ubi_debugfs_init_dev(struct ubi_device *ubi);
53 void ubi_debugfs_exit_dev(struct ubi_device *ubi);
57 * @ubi: UBI device description object
59 * Returns non-zero if the UBI background thread is disabled for testing
62 static inline int ubi_dbg_is_bgt_disabled(const struct ubi_device *ubi) in ubi_dbg_is_bgt_disabled() argument
64 return ubi->dbg.disable_bgt; in ubi_dbg_is_bgt_disabled()
[all …]
/kernel/linux/linux-5.10/Documentation/ABI/stable/
Dsysfs-class-ubi1 What: /sys/class/ubi/
6 The ubi/ class sub-directory belongs to the UBI subsystem and
7 provides general UBI information, per-UBI device information
8 and per-UBI volume information.
10 What: /sys/class/ubi/version
15 This file contains version of the latest supported UBI on-media
17 However, if in the future UBI needs on-flash format changes
29 UBI devices (UBI device 0, 1, etc). They contain general UBI
30 device information and per UBI volume information (each UBI
31 device may have many UBI volumes)
[all …]
/kernel/linux/linux-6.6/Documentation/ABI/stable/
Dsysfs-class-ubi1 What: /sys/class/ubi/
6 The ubi/ class sub-directory belongs to the UBI subsystem and
7 provides general UBI information, per-UBI device information
8 and per-UBI volume information.
10 What: /sys/class/ubi/version
15 This file contains version of the latest supported UBI on-media
17 However, if in the future UBI needs on-flash format changes
29 UBI devices (UBI device 0, 1, etc). They contain general UBI
30 device information and per UBI volume information (each UBI
31 device may have many UBI volumes)
[all …]

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