13 #include <zephyr/fs/fs.h>
14 #include <zephyr/fs/fs_sys.h>
20 #include <zephyr/fs/littlefs.h>
91 static inline void fs_lock(struct fs_littlefs *fs)  in fs_lock()  argument
93 	k_mutex_lock(&fs->mutex, K_FOREVER);  in fs_lock()
96 static inline void fs_unlock(struct fs_littlefs *fs)  in fs_unlock()  argument
98 	k_mutex_unlock(&fs->mutex);  in fs_unlock()
292 	struct fs_littlefs *fs = fp->mp->fs_data;  in littlefs_open()  local
293 	struct lfs *lfs = &fs->lfs;  in littlefs_open()
314 	fs_lock(fs);  in littlefs_open()
316 	ret = lfs_file_opencfg(&fs->lfs, &fdp->file,  in littlefs_open()
319 	fs_unlock(fs);  in littlefs_open()
330 	struct fs_littlefs *fs = fp->mp->fs_data;  in littlefs_close()  local
332 	fs_lock(fs);  in littlefs_close()
334 	int ret = lfs_file_close(&fs->lfs, LFS_FILEP(fp));  in littlefs_close()
336 	fs_unlock(fs);  in littlefs_close()
345 	struct fs_littlefs *fs = mountp->fs_data;  in littlefs_unlink()  local
349 	fs_lock(fs);  in littlefs_unlink()
351 	int ret = lfs_remove(&fs->lfs, path);  in littlefs_unlink()
353 	fs_unlock(fs);  in littlefs_unlink()
360 	struct fs_littlefs *fs = mountp->fs_data;  in littlefs_rename()  local
365 	fs_lock(fs);  in littlefs_rename()
367 	int ret = lfs_rename(&fs->lfs, from, to);  in littlefs_rename()
369 	fs_unlock(fs);  in littlefs_rename()
375 	struct fs_littlefs *fs = fp->mp->fs_data;  in littlefs_read()  local
377 	fs_lock(fs);  in littlefs_read()
379 	ssize_t ret = lfs_file_read(&fs->lfs, LFS_FILEP(fp), ptr, len);  in littlefs_read()
381 	fs_unlock(fs);  in littlefs_read()
387 	struct fs_littlefs *fs = fp->mp->fs_data;  in littlefs_write()  local
389 	fs_lock(fs);  in littlefs_write()
391 	ssize_t ret = lfs_file_write(&fs->lfs, LFS_FILEP(fp), ptr, len);  in littlefs_write()
393 	fs_unlock(fs);  in littlefs_write()
403 	struct fs_littlefs *fs = fp->mp->fs_data;  in littlefs_seek()  local
405 	fs_lock(fs);  in littlefs_seek()
407 	off_t ret = lfs_file_seek(&fs->lfs, LFS_FILEP(fp), off, whence);  in littlefs_seek()
409 	fs_unlock(fs);  in littlefs_seek()
420 	struct fs_littlefs *fs = fp->mp->fs_data;  in littlefs_tell()  local
422 	fs_lock(fs);  in littlefs_tell()
424 	off_t ret = lfs_file_tell(&fs->lfs, LFS_FILEP(fp));  in littlefs_tell()
426 	fs_unlock(fs);  in littlefs_tell()
432 	struct fs_littlefs *fs = fp->mp->fs_data;  in littlefs_truncate()  local
434 	fs_lock(fs);  in littlefs_truncate()
436 	int ret = lfs_file_truncate(&fs->lfs, LFS_FILEP(fp), length);  in littlefs_truncate()
438 	fs_unlock(fs);  in littlefs_truncate()
444 	struct fs_littlefs *fs = fp->mp->fs_data;  in littlefs_sync()  local
446 	fs_lock(fs);  in littlefs_sync()
448 	int ret = lfs_file_sync(&fs->lfs, LFS_FILEP(fp));  in littlefs_sync()
450 	fs_unlock(fs);  in littlefs_sync()
456 	struct fs_littlefs *fs = mountp->fs_data;  in littlefs_mkdir()  local
459 	fs_lock(fs);  in littlefs_mkdir()
461 	int ret = lfs_mkdir(&fs->lfs, path);  in littlefs_mkdir()
463 	fs_unlock(fs);  in littlefs_mkdir()
469 	struct fs_littlefs *fs = dp->mp->fs_data;  in littlefs_opendir()  local
479 	fs_lock(fs);  in littlefs_opendir()
481 	int ret = lfs_dir_open(&fs->lfs, dp->dirp, path);  in littlefs_opendir()
483 	fs_unlock(fs);  in littlefs_opendir()
503 	struct fs_littlefs *fs = dp->mp->fs_data;  in littlefs_readdir()  local
505 	fs_lock(fs);  in littlefs_readdir()
508 	int ret = lfs_dir_read(&fs->lfs, dp->dirp, &info);  in littlefs_readdir()
510 	fs_unlock(fs);  in littlefs_readdir()
524 	struct fs_littlefs *fs = dp->mp->fs_data;  in littlefs_closedir()  local
526 	fs_lock(fs);  in littlefs_closedir()
528 	int ret = lfs_dir_close(&fs->lfs, dp->dirp);  in littlefs_closedir()
530 	fs_unlock(fs);  in littlefs_closedir()
540 	struct fs_littlefs *fs = mountp->fs_data;  in littlefs_stat()  local
544 	fs_lock(fs);  in littlefs_stat()
547 	int ret = lfs_stat(&fs->lfs, path, &info);  in littlefs_stat()
549 	fs_unlock(fs);  in littlefs_stat()
562 	struct fs_littlefs *fs = mountp->fs_data;  in littlefs_statvfs()  local
563 	struct lfs *lfs = &fs->lfs;  in littlefs_statvfs()
571 	fs_lock(fs);  in littlefs_statvfs()
575 	fs_unlock(fs);  in littlefs_statvfs()
650 static int littlefs_flash_init(struct fs_littlefs *fs, void *dev_id)  in littlefs_flash_init()  argument
653 	const struct flash_area **fap = (const struct flash_area **)&fs->backend;  in littlefs_flash_init()
664 	LOG_DBG("FS area %u at 0x%x for %u bytes", area_id,  in littlefs_flash_init()
674 	fs->backend = (void *) *fap;  in littlefs_flash_init()
679 static int littlefs_init_backend(struct fs_littlefs *fs, void *dev_id, int flags)  in littlefs_init_backend()  argument
691 		fs->backend = dev_id;  in littlefs_init_backend()
692 		ret = disk_access_init((char *) fs->backend);  in littlefs_init_backend()
701 		ret = littlefs_flash_init(fs, dev_id);  in littlefs_init_backend()
710 static int littlefs_init_cfg(struct fs_littlefs *fs, int flags)  in littlefs_init_cfg()  argument
722 	struct lfs_config *lcp = &fs->cfg;  in littlefs_init_cfg()
748 			int ret = disk_access_ioctl((char *) fs->backend,  in littlefs_init_cfg()
760 			block_size = get_block_size((struct flash_area *)fs->backend);  in littlefs_init_cfg()
805 		int ret = disk_access_ioctl((char *) fs->backend,  in littlefs_init_cfg()
812 		LOG_INF("FS at %s: is %u 0x%x-byte blocks with %u cycle",  in littlefs_init_cfg()
813 			(char *) fs->backend, block_count, block_size,  in littlefs_init_cfg()
820 		block_count = ((struct flash_area *)fs->backend)->fa_size  in littlefs_init_cfg()
823 			flash_area_get_device((struct flash_area *)fs->backend);  in littlefs_init_cfg()
824 		LOG_INF("FS at %s:0x%x is %u 0x%x-byte blocks with %u cycle",  in littlefs_init_cfg()
826 			(uint32_t)((struct flash_area *)fs->backend)->fa_off,  in littlefs_init_cfg()
844 	lcp->context = fs->backend;  in littlefs_init_cfg()
877 		__ASSERT((((struct flash_area *)fs->backend)->fa_size %  in littlefs_init_cfg()
906 static int littlefs_init_fs(struct fs_littlefs *fs, void *dev_id, int flags)  in littlefs_init_fs()  argument
914 	if (fs->backend) {  in littlefs_init_fs()
918 	ret = littlefs_init_backend(fs, dev_id, flags);  in littlefs_init_fs()
923 	ret = littlefs_init_cfg(fs, flags);  in littlefs_init_fs()
933 	struct fs_littlefs *fs = mountp->fs_data;  in littlefs_mount()  local
936 	k_mutex_init(&fs->mutex);  in littlefs_mount()
937 	fs_lock(fs);  in littlefs_mount()
939 	ret = littlefs_init_fs(fs, mountp->storage_dev, mountp->flags);  in littlefs_mount()
945 	ret = lfs_mount(&fs->lfs, &fs->cfg);  in littlefs_mount()
950 			ret = lfs_format(&fs->lfs, &fs->cfg);  in littlefs_mount()
962 		ret = lfs_mount(&fs->lfs, &fs->cfg);  in littlefs_mount()
977 		fs->backend = NULL;  in littlefs_mount()
980 	fs_unlock(fs);  in littlefs_mount()
992 	struct fs_littlefs *fs = &fs_cfg;  in littlefs_mkfs()  local
995 		fs = (struct fs_littlefs *)cfg;  in littlefs_mkfs()
998 	fs->backend = NULL;  in littlefs_mkfs()
1001 	k_mutex_init(&fs->mutex);  in littlefs_mkfs()
1002 	fs_lock(fs);  in littlefs_mkfs()
1004 	ret = littlefs_init_fs(fs, UINT_TO_POINTER(dev_id), flags);  in littlefs_mkfs()
1009 	ret = lfs_format(&fs->lfs, &fs->cfg);  in littlefs_mkfs()
1016 	fs->backend = NULL;  in littlefs_mkfs()
1017 	fs_unlock(fs);  in littlefs_mkfs()
1025 	struct fs_littlefs *fs = mountp->fs_data;  in littlefs_unmount()  local
1027 	fs_lock(fs);  in littlefs_unmount()
1029 	lfs_unmount(&fs->lfs);  in littlefs_unmount()
1033 		flash_area_close(fs->backend);  in littlefs_unmount()
1037 	fs->backend = NULL;  in littlefs_unmount()
1038 	fs_unlock(fs);  in littlefs_unmount()