| /Linux-v4.19/drivers/mtd/ubi/ |
| D | wl.c | 138 static int self_check_ec(struct ubi_device *ubi, int pnum, int ec);
139 static int self_check_in_wl_tree(const struct ubi_device *ubi,
141 static int self_check_in_pq(const struct ubi_device *ubi,
188 static void wl_entry_destroy(struct ubi_device *ubi, struct ubi_wl_entry *e) in wl_entry_destroy() argument
190 ubi->lookuptbl[e->pnum] = NULL; in wl_entry_destroy()
201 static int do_work(struct ubi_device *ubi) in do_work() argument
214 down_read(&ubi->work_sem); in do_work()
215 spin_lock(&ubi->wl_lock); in do_work()
216 if (list_empty(&ubi->works)) { in do_work()
217 spin_unlock(&ubi->wl_lock); in do_work()
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| D | build.c | 167 int ubi_volume_notify(struct ubi_device *ubi, struct ubi_volume *vol, int ntype) in ubi_volume_notify() argument
172 ubi_do_get_device_info(ubi, &nt.di); in ubi_volume_notify()
173 ubi_do_get_volume_info(ubi, vol, &nt.vi); in ubi_volume_notify()
180 ret = ubi_update_fastmap(ubi); in ubi_volume_notify()
182 ubi_msg(ubi, "Unable to write a new fastmap: %i", ret); in ubi_volume_notify()
199 int ubi_notify_all(struct ubi_device *ubi, int ntype, struct notifier_block *nb) in ubi_notify_all() argument
204 ubi_do_get_device_info(ubi, &nt.di); in ubi_notify_all()
206 mutex_lock(&ubi->device_mutex); in ubi_notify_all()
207 for (i = 0; i < ubi->vtbl_slots; i++) { in ubi_notify_all()
213 if (!ubi->volumes[i]) in ubi_notify_all()
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| D | fastmap-wl.c | 23 struct ubi_device *ubi = container_of(wrk, struct ubi_device, fm_work); in update_fastmap_work_fn() local
25 ubi_update_fastmap(ubi); in update_fastmap_work_fn()
26 spin_lock(&ubi->wl_lock); in update_fastmap_work_fn()
27 ubi->fm_work_scheduled = 0; in update_fastmap_work_fn()
28 spin_unlock(&ubi->wl_lock); in update_fastmap_work_fn()
56 static void return_unused_pool_pebs(struct ubi_device *ubi, in return_unused_pool_pebs() argument
63 e = ubi->lookuptbl[pool->pebs[i]]; in return_unused_pool_pebs()
64 wl_tree_add(e, &ubi->free); in return_unused_pool_pebs()
65 ubi->free_count++; in return_unused_pool_pebs()
90 struct ubi_wl_entry *ubi_wl_get_fm_peb(struct ubi_device *ubi, int anchor) in ubi_wl_get_fm_peb() argument
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| D | io.c | 94 static int self_check_not_bad(const struct ubi_device *ubi, int pnum);
95 static int self_check_peb_ec_hdr(const struct ubi_device *ubi, int pnum);
96 static int self_check_ec_hdr(const struct ubi_device *ubi, int pnum,
98 static int self_check_peb_vid_hdr(const struct ubi_device *ubi, int pnum);
99 static int self_check_vid_hdr(const struct ubi_device *ubi, int pnum,
101 static int self_check_write(struct ubi_device *ubi, const void *buf, int pnum,
126 int ubi_io_read(const struct ubi_device *ubi, void *buf, int pnum, int offset, in ubi_io_read() argument
135 ubi_assert(pnum >= 0 && pnum < ubi->peb_count); in ubi_io_read()
136 ubi_assert(offset >= 0 && offset + len <= ubi->peb_size); in ubi_io_read()
139 err = self_check_not_bad(ubi, pnum); in ubi_io_read()
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| D | vmt.c | 32 static int self_check_volumes(struct ubi_device *ubi);
72 struct ubi_device *ubi; in vol_attribute_show() local
74 ubi = ubi_get_device(vol->ubi->ubi_num); in vol_attribute_show()
75 if (!ubi) in vol_attribute_show()
78 spin_lock(&ubi->volumes_lock); in vol_attribute_show()
79 if (!ubi->volumes[vol->vol_id]) { in vol_attribute_show()
80 spin_unlock(&ubi->volumes_lock); in vol_attribute_show()
81 ubi_put_device(ubi); in vol_attribute_show()
86 spin_unlock(&ubi->volumes_lock); in vol_attribute_show()
115 spin_lock(&ubi->volumes_lock); in vol_attribute_show()
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| D | vtbl.c | 67 static void self_vtbl_check(const struct ubi_device *ubi);
76 static int ubi_update_layout_vol(struct ubi_device *ubi) in ubi_update_layout_vol() argument
81 layout_vol = ubi->volumes[vol_id2idx(ubi, UBI_LAYOUT_VOLUME_ID)]; in ubi_update_layout_vol()
83 err = ubi_eba_atomic_leb_change(ubi, layout_vol, i, ubi->vtbl, in ubi_update_layout_vol()
84 ubi->vtbl_size); in ubi_update_layout_vol()
103 int ubi_change_vtbl_record(struct ubi_device *ubi, int idx, in ubi_change_vtbl_record() argument
109 ubi_assert(idx >= 0 && idx < ubi->vtbl_slots); in ubi_change_vtbl_record()
118 memcpy(&ubi->vtbl[idx], vtbl_rec, sizeof(struct ubi_vtbl_record)); in ubi_change_vtbl_record()
119 err = ubi_update_layout_vol(ubi); in ubi_change_vtbl_record()
121 self_vtbl_check(ubi); in ubi_change_vtbl_record()
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| D | eba.c | 84 unsigned long long ubi_next_sqnum(struct ubi_device *ubi) in ubi_next_sqnum() argument
88 spin_lock(&ubi->ltree_lock); in ubi_next_sqnum()
89 sqnum = ubi->global_sqnum++; in ubi_next_sqnum()
90 spin_unlock(&ubi->ltree_lock); in ubi_next_sqnum()
103 static int ubi_get_compat(const struct ubi_device *ubi, int vol_id) in ubi_get_compat() argument
224 static struct ubi_ltree_entry *ltree_lookup(struct ubi_device *ubi, int vol_id, in ltree_lookup() argument
229 p = ubi->ltree.rb_node; in ltree_lookup()
263 static struct ubi_ltree_entry *ltree_add_entry(struct ubi_device *ubi, in ltree_add_entry() argument
277 spin_lock(&ubi->ltree_lock); in ltree_add_entry()
278 le1 = ltree_lookup(ubi, vol_id, lnum); in ltree_add_entry()
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| D | ubi.h | 56 void ubi_msg(const struct ubi_device *ubi, const char *fmt, ...);
60 void ubi_warn(const struct ubi_device *ubi, const char *fmt, ...);
64 void ubi_err(const struct ubi_device *ubi, const char *fmt, ...);
354 struct ubi_device *ubi; member
815 int (*func)(struct ubi_device *ubi, struct ubi_work *wrk, int shutdown);
838 int ubi_add_to_av(struct ubi_device *ubi, struct ubi_attach_info *ai, int pnum,
844 struct ubi_ainf_peb *ubi_early_get_peb(struct ubi_device *ubi,
846 int ubi_attach(struct ubi_device *ubi, int force_scan);
850 int ubi_change_vtbl_record(struct ubi_device *ubi, int idx,
852 int ubi_vtbl_rename_volumes(struct ubi_device *ubi,
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| D | fastmap.c | 25 static inline unsigned long *init_seen(struct ubi_device *ubi) in init_seen() argument
29 if (!ubi_dbg_chk_fastmap(ubi)) in init_seen()
32 ret = kcalloc(BITS_TO_LONGS(ubi->peb_count), sizeof(unsigned long), in init_seen()
55 static inline void set_seen(struct ubi_device *ubi, int pnum, unsigned long *seen) in set_seen() argument
57 if (!ubi_dbg_chk_fastmap(ubi) || !seen) in set_seen()
68 static int self_check_seen(struct ubi_device *ubi, unsigned long *seen) in self_check_seen() argument
72 if (!ubi_dbg_chk_fastmap(ubi) || !seen) in self_check_seen()
75 for (pnum = 0; pnum < ubi->peb_count; pnum++) { in self_check_seen()
76 if (test_bit(pnum, seen) && ubi->lookuptbl[pnum]) { in self_check_seen()
77 ubi_err(ubi, "self-check failed for PEB %d, fastmap didn't see it", pnum); in self_check_seen()
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| D | kapi.c | 39 void ubi_do_get_device_info(struct ubi_device *ubi, struct ubi_device_info *di) in ubi_do_get_device_info() argument
41 di->ubi_num = ubi->ubi_num; in ubi_do_get_device_info()
42 di->leb_size = ubi->leb_size; in ubi_do_get_device_info()
43 di->leb_start = ubi->leb_start; in ubi_do_get_device_info()
44 di->min_io_size = ubi->min_io_size; in ubi_do_get_device_info()
45 di->max_write_size = ubi->max_write_size; in ubi_do_get_device_info()
46 di->ro_mode = ubi->ro_mode; in ubi_do_get_device_info()
47 di->cdev = ubi->cdev.dev; in ubi_do_get_device_info()
61 struct ubi_device *ubi; in ubi_get_device_info() local
65 ubi = ubi_get_device(ubi_num); in ubi_get_device_info()
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| D | misc.c | 35 int ubi_calc_data_len(const struct ubi_device *ubi, const void *buf, in ubi_calc_data_len() argument
40 ubi_assert(!(length & (ubi->min_io_size - 1))); in ubi_calc_data_len()
47 length = ALIGN(i + 1, ubi->min_io_size); in ubi_calc_data_len()
61 int ubi_check_volume(struct ubi_device *ubi, int vol_id) in ubi_check_volume() argument
65 struct ubi_volume *vol = ubi->volumes[vol_id]; in ubi_check_volume()
84 err = ubi_eba_read_leb(ubi, vol, i, buf, 0, size, 1); in ubi_check_volume()
105 void ubi_update_reserved(struct ubi_device *ubi) in ubi_update_reserved() argument
107 int need = ubi->beb_rsvd_level - ubi->beb_rsvd_pebs; in ubi_update_reserved()
109 if (need <= 0 || ubi->avail_pebs == 0) in ubi_update_reserved()
112 need = min_t(int, need, ubi->avail_pebs); in ubi_update_reserved()
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| D | attach.c | 92 static int self_check_ai(struct ubi_device *ubi, struct ubi_attach_info *ai);
343 static int validate_vid_hdr(const struct ubi_device *ubi, in validate_vid_hdr() argument
362 ubi_err(ubi, "inconsistent vol_id"); in validate_vid_hdr()
372 ubi_err(ubi, "inconsistent vol_type"); in validate_vid_hdr()
377 ubi_err(ubi, "inconsistent used_ebs"); in validate_vid_hdr()
382 ubi_err(ubi, "inconsistent data_pad"); in validate_vid_hdr()
390 ubi_err(ubi, "inconsistent VID header at PEB %d", pnum); in validate_vid_hdr()
451 int ubi_compare_lebs(struct ubi_device *ubi, const struct ubi_ainf_peb *aeb, in ubi_compare_lebs() argument
468 ubi_err(ubi, "unsupported on-flash UBI format"); in ubi_compare_lebs()
499 vidb = ubi_alloc_vid_buf(ubi, GFP_KERNEL); in ubi_compare_lebs()
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| D | debug.h | 24 void ubi_dump_flash(struct ubi_device *ubi, int pnum, int offset, int len);
61 int ubi_self_check_all_ff(struct ubi_device *ubi, int pnum, int offset,
65 int ubi_debugfs_init_dev(struct ubi_device *ubi);
66 void ubi_debugfs_exit_dev(struct ubi_device *ubi);
75 static inline int ubi_dbg_is_bgt_disabled(const struct ubi_device *ubi) in ubi_dbg_is_bgt_disabled() argument
77 return ubi->dbg.disable_bgt; in ubi_dbg_is_bgt_disabled()
86 static inline int ubi_dbg_is_bitflip(const struct ubi_device *ubi) in ubi_dbg_is_bitflip() argument
88 if (ubi->dbg.emulate_bitflips) in ubi_dbg_is_bitflip()
100 static inline int ubi_dbg_is_write_failure(const struct ubi_device *ubi) in ubi_dbg_is_write_failure() argument
102 if (ubi->dbg.emulate_io_failures) in ubi_dbg_is_write_failure()
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| D | upd.c | 54 static int set_update_marker(struct ubi_device *ubi, struct ubi_volume *vol) in set_update_marker() argument
62 ubi_assert(ubi->vtbl[vol->vol_id].upd_marker); in set_update_marker()
67 vtbl_rec = ubi->vtbl[vol->vol_id]; in set_update_marker()
70 mutex_lock(&ubi->device_mutex); in set_update_marker()
71 err = ubi_change_vtbl_record(ubi, vol->vol_id, &vtbl_rec); in set_update_marker()
73 mutex_unlock(&ubi->device_mutex); in set_update_marker()
87 static int clear_update_marker(struct ubi_device *ubi, struct ubi_volume *vol, in clear_update_marker() argument
95 vtbl_rec = ubi->vtbl[vol->vol_id]; in clear_update_marker()
110 mutex_lock(&ubi->device_mutex); in clear_update_marker()
111 err = ubi_change_vtbl_record(ubi, vol->vol_id, &vtbl_rec); in clear_update_marker()
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| D | cdev.c | 62 spin_lock(&vol->ubi->volumes_lock); in get_exclusive()
66 ubi_err(vol->ubi, "%d users for volume %d", users, vol->vol_id); in get_exclusive()
74 spin_unlock(&vol->ubi->volumes_lock); in get_exclusive()
88 spin_lock(&vol->ubi->volumes_lock); in revoke_exclusive()
100 spin_unlock(&vol->ubi->volumes_lock); in revoke_exclusive()
136 vol->ubi->ubi_num, vol->vol_id, desc->mode); in vol_cdev_release()
139 ubi_warn(vol->ubi, "update of volume %d not finished, volume is damaged", in vol_cdev_release()
146 vol->upd_received, vol->upd_bytes, vol->ubi->ubi_num, in vol_cdev_release()
163 ubi_err(vol->ubi, "updating"); in vol_cdev_llseek()
174 struct ubi_device *ubi = desc->vol->ubi; in vol_cdev_fsync() local
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| D | wl.h | 8 static struct ubi_wl_entry *get_peb_for_wl(struct ubi_device *ubi);
9 static void ubi_fastmap_close(struct ubi_device *ubi);
10 static inline void ubi_fastmap_init(struct ubi_device *ubi, int *count) in ubi_fastmap_init() argument
13 *count += (ubi->fm_size / ubi->leb_size) * 2; in ubi_fastmap_init()
14 INIT_WORK(&ubi->fm_work, update_fastmap_work_fn); in ubi_fastmap_init()
16 static struct ubi_wl_entry *may_reserve_for_fm(struct ubi_device *ubi,
20 static struct ubi_wl_entry *get_peb_for_wl(struct ubi_device *ubi);
21 static inline void ubi_fastmap_close(struct ubi_device *ubi) { } in ubi_fastmap_close() argument
22 static inline void ubi_fastmap_init(struct ubi_device *ubi, int *count) { } in ubi_fastmap_init() argument
23 static struct ubi_wl_entry *may_reserve_for_fm(struct ubi_device *ubi, in may_reserve_for_fm() argument
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| D | debug.c | 35 void ubi_dump_flash(struct ubi_device *ubi, int pnum, int offset, int len) in ubi_dump_flash() argument
40 loff_t addr = (loff_t)pnum * ubi->peb_size + offset; in ubi_dump_flash()
45 err = mtd_read(ubi->mtd, addr, len, &read, buf); in ubi_dump_flash()
47 ubi_err(ubi, "err %d while reading %d bytes from PEB %d:%d, read %zd bytes", in ubi_dump_flash()
52 ubi_msg(ubi, "dumping %d bytes of data from PEB %d, offset %d", in ubi_dump_flash()
265 struct ubi_device *ubi; in dfs_file_read() local
270 ubi = ubi_get_device(ubi_num); in dfs_file_read()
271 if (!ubi) in dfs_file_read()
273 d = &ubi->dbg; in dfs_file_read()
318 ubi_put_device(ubi); in dfs_file_read()
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| D | Makefile | 2 obj-$(CONFIG_MTD_UBI) += ubi.o
4 ubi-y += vtbl.o vmt.o upd.o build.o cdev.o kapi.o eba.o io.o wl.o attach.o
5 ubi-y += misc.o debug.o
6 ubi-$(CONFIG_MTD_UBI_FASTMAP) += fastmap.o
7 ubi-$(CONFIG_MTD_UBI_BLOCK) += block.o
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| /Linux-v4.19/Documentation/ABI/stable/ |
| D | sysfs-class-ubi | 1 What: /sys/class/ubi/
6 The ubi/ class sub-directory belongs to the UBI subsystem and
10 What: /sys/class/ubi/version
33 What: /sys/class/ubi/ubiX/avail_eraseblocks
42 What: /sys/class/ubi/ubiX/bad_peb_count
49 What: /sys/class/ubi/ubiX/bgt_enabled
57 What: /sys/class/ubi/ubiX/dev
65 What: /sys/class/ubi/ubiX/eraseblock_size
74 What: /sys/class/ubi/ubiX/max_ec
81 What: /sys/class/ubi/ubiX/max_vol_count
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| /Linux-v4.19/arch/arm/boot/dts/ |
| D | at91-kizboxmini.dts | 17 bootargs = "ubi.mtd=ubi";
117 ubi@20000 {
118 label = "ubi";
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| D | at91-kizbox.dts | 18 bootargs = "ubi.mtd=ubi";
101 ubi@20000 {
102 label = "ubi";
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| D | at91-kizbox2.dts | 17 bootargs = "ubi.mtd=ubi";
184 ubi@20000 {
185 label = "ubi";
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| D | animeo_ip.dts | 130 ubi@60000 {
131 label = "ubi";
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| D | at91-som60.dtsi | 206 ubi@e0000 {
207 label = "ubi";
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| /Linux-v4.19/fs/ubifs/ |
| D | super.c | 1867 ubi_close_volume(c->ubi); in ubifs_put_super()
1955 struct ubi_volume_desc *ubi; in open_ubi() local
1963 ubi = ubi_open_volume_path(name, mode); in open_ubi()
1964 if (!IS_ERR(ubi)) in open_ubi()
1965 return ubi; in open_ubi()
1999 static struct ubifs_info *alloc_ubifs_info(struct ubi_volume_desc *ubi) in alloc_ubifs_info() argument
2040 ubi_get_volume_info(ubi, &c->vi); in alloc_ubifs_info()
2054 c->ubi = ubi_open_volume(c->vi.ubi_num, c->vi.vol_id, UBI_READWRITE); in ubifs_fill_super()
2055 if (IS_ERR(c->ubi)) { in ubifs_fill_super()
2056 err = PTR_ERR(c->ubi); in ubifs_fill_super()
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