Lines Matching refs:ubi
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()
118 spin_unlock(&ubi->volumes_lock); in vol_attribute_show()
119 ubi_put_device(ubi); in vol_attribute_show()
157 int ubi_create_volume(struct ubi_device *ubi, struct ubi_mkvol_req *req) in ubi_create_volume() argument
164 if (ubi->ro_mode) in ubi_create_volume()
173 vol->dev.parent = &ubi->dev; in ubi_create_volume()
180 spin_lock(&ubi->volumes_lock); in ubi_create_volume()
184 for (i = 0; i < ubi->vtbl_slots; i++) in ubi_create_volume()
185 if (!ubi->volumes[i]) { in ubi_create_volume()
191 ubi_err(ubi, "out of volume IDs"); in ubi_create_volume()
199 ubi->ubi_num, vol_id, (unsigned long long)req->bytes, in ubi_create_volume()
204 if (ubi->volumes[vol_id]) { in ubi_create_volume()
205 ubi_err(ubi, "volume %d already exists", vol_id); in ubi_create_volume()
210 for (i = 0; i < ubi->vtbl_slots; i++) in ubi_create_volume()
211 if (ubi->volumes[i] && in ubi_create_volume()
212 ubi->volumes[i]->name_len == req->name_len && in ubi_create_volume()
213 !strcmp(ubi->volumes[i]->name, req->name)) { in ubi_create_volume()
214 ubi_err(ubi, "volume \"%s\" exists (ID %d)", in ubi_create_volume()
220 vol->usable_leb_size = ubi->leb_size - ubi->leb_size % req->alignment; in ubi_create_volume()
225 if (vol->reserved_pebs > ubi->avail_pebs) { in ubi_create_volume()
226 ubi_err(ubi, "not enough PEBs, only %d available", in ubi_create_volume()
227 ubi->avail_pebs); in ubi_create_volume()
228 if (ubi->corr_peb_count) in ubi_create_volume()
229 ubi_err(ubi, "%d PEBs are corrupted and not used", in ubi_create_volume()
230 ubi->corr_peb_count); in ubi_create_volume()
234 ubi->avail_pebs -= vol->reserved_pebs; in ubi_create_volume()
235 ubi->rsvd_pebs += vol->reserved_pebs; in ubi_create_volume()
236 spin_unlock(&ubi->volumes_lock); in ubi_create_volume()
240 vol->data_pad = ubi->leb_size % vol->alignment; in ubi_create_volume()
244 vol->ubi = ubi; in ubi_create_volume()
250 err = ubi_wl_flush(ubi, vol_id, UBI_ALL); in ubi_create_volume()
278 spin_lock(&ubi->volumes_lock); in ubi_create_volume()
279 ubi->volumes[vol_id] = vol; in ubi_create_volume()
280 ubi->vol_count += 1; in ubi_create_volume()
281 spin_unlock(&ubi->volumes_lock); in ubi_create_volume()
287 vol->dev.devt = MKDEV(MAJOR(ubi->cdev.dev), vol_id + 1); in ubi_create_volume()
288 dev_set_name(&vol->dev, "%s_%d", ubi->ubi_name, vol->vol_id); in ubi_create_volume()
291 ubi_err(ubi, "cannot add device"); in ubi_create_volume()
311 err = ubi_change_vtbl_record(ubi, vol_id, &vtbl_rec); in ubi_create_volume()
315 ubi_volume_notify(ubi, vol, UBI_VOLUME_ADDED); in ubi_create_volume()
316 self_check_volumes(ubi); in ubi_create_volume()
327 spin_lock(&ubi->volumes_lock); in ubi_create_volume()
328 ubi->volumes[vol_id] = NULL; in ubi_create_volume()
329 ubi->vol_count -= 1; in ubi_create_volume()
330 spin_unlock(&ubi->volumes_lock); in ubi_create_volume()
333 spin_lock(&ubi->volumes_lock); in ubi_create_volume()
334 ubi->rsvd_pebs -= vol->reserved_pebs; in ubi_create_volume()
335 ubi->avail_pebs += vol->reserved_pebs; in ubi_create_volume()
337 spin_unlock(&ubi->volumes_lock); in ubi_create_volume()
339 ubi_err(ubi, "cannot create volume %d, error %d", vol_id, err); in ubi_create_volume()
356 struct ubi_device *ubi = vol->ubi; in ubi_remove_volume() local
359 dbg_gen("remove device %d, volume %d", ubi->ubi_num, vol_id); in ubi_remove_volume()
361 ubi_assert(vol == ubi->volumes[vol_id]); in ubi_remove_volume()
363 if (ubi->ro_mode) in ubi_remove_volume()
366 spin_lock(&ubi->volumes_lock); in ubi_remove_volume()
375 ubi->volumes[vol_id] = NULL; in ubi_remove_volume()
376 spin_unlock(&ubi->volumes_lock); in ubi_remove_volume()
379 err = ubi_change_vtbl_record(ubi, vol_id, NULL); in ubi_remove_volume()
385 err = ubi_eba_unmap_leb(ubi, vol, i); in ubi_remove_volume()
393 spin_lock(&ubi->volumes_lock); in ubi_remove_volume()
394 ubi->rsvd_pebs -= reserved_pebs; in ubi_remove_volume()
395 ubi->avail_pebs += reserved_pebs; in ubi_remove_volume()
396 ubi_update_reserved(ubi); in ubi_remove_volume()
397 ubi->vol_count -= 1; in ubi_remove_volume()
398 spin_unlock(&ubi->volumes_lock); in ubi_remove_volume()
400 ubi_volume_notify(ubi, vol, UBI_VOLUME_REMOVED); in ubi_remove_volume()
402 self_check_volumes(ubi); in ubi_remove_volume()
407 ubi_err(ubi, "cannot remove volume %d, error %d", vol_id, err); in ubi_remove_volume()
408 spin_lock(&ubi->volumes_lock); in ubi_remove_volume()
409 ubi->volumes[vol_id] = vol; in ubi_remove_volume()
411 spin_unlock(&ubi->volumes_lock); in ubi_remove_volume()
428 struct ubi_device *ubi = vol->ubi; in ubi_resize_volume() local
433 if (ubi->ro_mode) in ubi_resize_volume()
437 ubi->ubi_num, vol_id, vol->reserved_pebs, reserved_pebs); in ubi_resize_volume()
441 ubi_err(ubi, "too small size %d, %d LEBs contain data", in ubi_resize_volume()
454 spin_lock(&ubi->volumes_lock); in ubi_resize_volume()
456 spin_unlock(&ubi->volumes_lock); in ubi_resize_volume()
460 spin_unlock(&ubi->volumes_lock); in ubi_resize_volume()
465 spin_lock(&ubi->volumes_lock); in ubi_resize_volume()
466 if (pebs > ubi->avail_pebs) { in ubi_resize_volume()
467 ubi_err(ubi, "not enough PEBs: requested %d, available %d", in ubi_resize_volume()
468 pebs, ubi->avail_pebs); in ubi_resize_volume()
469 if (ubi->corr_peb_count) in ubi_resize_volume()
470 ubi_err(ubi, "%d PEBs are corrupted and not used", in ubi_resize_volume()
471 ubi->corr_peb_count); in ubi_resize_volume()
472 spin_unlock(&ubi->volumes_lock); in ubi_resize_volume()
476 ubi->avail_pebs -= pebs; in ubi_resize_volume()
477 ubi->rsvd_pebs += pebs; in ubi_resize_volume()
480 spin_unlock(&ubi->volumes_lock); in ubi_resize_volume()
485 err = ubi_eba_unmap_leb(ubi, vol, reserved_pebs + i); in ubi_resize_volume()
489 spin_lock(&ubi->volumes_lock); in ubi_resize_volume()
490 ubi->rsvd_pebs += pebs; in ubi_resize_volume()
491 ubi->avail_pebs -= pebs; in ubi_resize_volume()
492 ubi_update_reserved(ubi); in ubi_resize_volume()
495 spin_unlock(&ubi->volumes_lock); in ubi_resize_volume()
504 err = ubi_wl_flush(ubi, vol_id, UBI_ALL); in ubi_resize_volume()
510 vtbl_rec = ubi->vtbl[vol_id]; in ubi_resize_volume()
512 err = ubi_change_vtbl_record(ubi, vol_id, &vtbl_rec); in ubi_resize_volume()
524 ubi_volume_notify(ubi, vol, UBI_VOLUME_RESIZED); in ubi_resize_volume()
525 self_check_volumes(ubi); in ubi_resize_volume()
530 spin_lock(&ubi->volumes_lock); in ubi_resize_volume()
531 ubi->rsvd_pebs -= pebs; in ubi_resize_volume()
532 ubi->avail_pebs += pebs; in ubi_resize_volume()
533 spin_unlock(&ubi->volumes_lock); in ubi_resize_volume()
549 int ubi_rename_volumes(struct ubi_device *ubi, struct list_head *rename_list) in ubi_rename_volumes() argument
554 err = ubi_vtbl_rename_volumes(ubi, rename_list); in ubi_rename_volumes()
566 spin_lock(&ubi->volumes_lock); in ubi_rename_volumes()
569 spin_unlock(&ubi->volumes_lock); in ubi_rename_volumes()
570 ubi_volume_notify(ubi, vol, UBI_VOLUME_RENAMED); in ubi_rename_volumes()
575 self_check_volumes(ubi); in ubi_rename_volumes()
588 int ubi_add_volume(struct ubi_device *ubi, struct ubi_volume *vol) in ubi_add_volume() argument
598 dev = MKDEV(MAJOR(ubi->cdev.dev), vol->vol_id + 1); in ubi_add_volume()
601 ubi_err(ubi, "cannot add character device for volume %d, error %d", in ubi_add_volume()
607 vol->dev.parent = &ubi->dev; in ubi_add_volume()
611 dev_set_name(&vol->dev, "%s_%d", ubi->ubi_name, vol->vol_id); in ubi_add_volume()
616 self_check_volumes(ubi); in ubi_add_volume()
632 void ubi_free_volume(struct ubi_device *ubi, struct ubi_volume *vol) in ubi_free_volume() argument
636 ubi->volumes[vol->vol_id] = NULL; in ubi_free_volume()
648 static int self_check_volume(struct ubi_device *ubi, int vol_id) in self_check_volume() argument
650 int idx = vol_id2idx(ubi, vol_id); in self_check_volume()
656 spin_lock(&ubi->volumes_lock); in self_check_volume()
657 reserved_pebs = be32_to_cpu(ubi->vtbl[vol_id].reserved_pebs); in self_check_volume()
658 vol = ubi->volumes[idx]; in self_check_volume()
662 ubi_err(ubi, "no volume info, but volume exists"); in self_check_volume()
665 spin_unlock(&ubi->volumes_lock); in self_check_volume()
671 ubi_err(ubi, "negative values"); in self_check_volume()
674 if (vol->alignment > ubi->leb_size || vol->alignment == 0) { in self_check_volume()
675 ubi_err(ubi, "bad alignment"); in self_check_volume()
679 n = vol->alignment & (ubi->min_io_size - 1); in self_check_volume()
681 ubi_err(ubi, "alignment is not multiple of min I/O unit"); in self_check_volume()
685 n = ubi->leb_size % vol->alignment; in self_check_volume()
687 ubi_err(ubi, "bad data_pad, has to be %lld", n); in self_check_volume()
693 ubi_err(ubi, "bad vol_type"); in self_check_volume()
698 ubi_err(ubi, "update marker and corrupted simultaneously"); in self_check_volume()
702 if (vol->reserved_pebs > ubi->good_peb_count) { in self_check_volume()
703 ubi_err(ubi, "too large reserved_pebs"); in self_check_volume()
707 n = ubi->leb_size - vol->data_pad; in self_check_volume()
708 if (vol->usable_leb_size != ubi->leb_size - vol->data_pad) { in self_check_volume()
709 ubi_err(ubi, "bad usable_leb_size, has to be %lld", n); in self_check_volume()
714 ubi_err(ubi, "too long volume name, max is %d", in self_check_volume()
721 ubi_err(ubi, "bad name_len %lld", n); in self_check_volume()
728 ubi_err(ubi, "corrupted dynamic volume"); in self_check_volume()
732 ubi_err(ubi, "bad used_ebs"); in self_check_volume()
736 ubi_err(ubi, "bad last_eb_bytes"); in self_check_volume()
740 ubi_err(ubi, "bad used_bytes"); in self_check_volume()
745 ubi_err(ubi, "bad skip_check"); in self_check_volume()
750 ubi_err(ubi, "bad used_ebs"); in self_check_volume()
755 ubi_err(ubi, "bad last_eb_bytes"); in self_check_volume()
760 ubi_err(ubi, "bad used_bytes"); in self_check_volume()
765 alignment = be32_to_cpu(ubi->vtbl[vol_id].alignment); in self_check_volume()
766 data_pad = be32_to_cpu(ubi->vtbl[vol_id].data_pad); in self_check_volume()
767 name_len = be16_to_cpu(ubi->vtbl[vol_id].name_len); in self_check_volume()
768 upd_marker = ubi->vtbl[vol_id].upd_marker; in self_check_volume()
769 name = &ubi->vtbl[vol_id].name[0]; in self_check_volume()
770 if (ubi->vtbl[vol_id].vol_type == UBI_VID_DYNAMIC) in self_check_volume()
778 ubi_err(ubi, "volume info is different"); in self_check_volume()
782 spin_unlock(&ubi->volumes_lock); in self_check_volume()
786 ubi_err(ubi, "self-check failed for volume %d", vol_id); in self_check_volume()
789 ubi_dump_vtbl_record(&ubi->vtbl[vol_id], vol_id); in self_check_volume()
791 spin_unlock(&ubi->volumes_lock); in self_check_volume()
801 static int self_check_volumes(struct ubi_device *ubi) in self_check_volumes() argument
805 if (!ubi_dbg_chk_gen(ubi)) in self_check_volumes()
808 for (i = 0; i < ubi->vtbl_slots; i++) { in self_check_volumes()
809 err = self_check_volume(ubi, i); in self_check_volumes()