[thirdparty/u-boot.git] / fs / fs.c

// SPDX-License-Identifier: GPL-2.0
/*
 * Copyright (c) 2012, NVIDIA CORPORATION.  All rights reserved.
 */

#include <config.h>
#include <errno.h>
#include <common.h>
#include <mapmem.h>
#include <part.h>
#include <ext4fs.h>
#include <fat.h>
#include <fs.h>
#include <sandboxfs.h>
#include <ubifs_uboot.h>
#include <btrfs.h>
#include <asm/io.h>
#include <div64.h>
#include <linux/math64.h>

DECLARE_GLOBAL_DATA_PTR;

static struct blk_desc *fs_dev_desc;
static int fs_dev_part;
static disk_partition_t fs_partition;
static int fs_type = FS_TYPE_ANY;

static inline int fs_probe_unsupported(struct blk_desc *fs_dev_desc,
				      disk_partition_t *fs_partition)
{
	printf("** Unrecognized filesystem type **\n");
	return -1;
}

static inline int fs_ls_unsupported(const char *dirname)
{
	return -1;
}

/* generic implementation of ls in terms of opendir/readdir/closedir */
__maybe_unused
static int fs_ls_generic(const char *dirname)
{
	struct fs_dir_stream *dirs;
	struct fs_dirent *dent;
	int nfiles = 0, ndirs = 0;

	dirs = fs_opendir(dirname);
	if (!dirs)
		return -errno;

	while ((dent = fs_readdir(dirs))) {
		if (dent->type == FS_DT_DIR) {
			printf("            %s/\n", dent->name);
			ndirs++;
		} else {
			printf(" %8lld   %s\n", dent->size, dent->name);
			nfiles++;
		}
	}

	fs_closedir(dirs);

	printf("\n%d file(s), %d dir(s)\n\n", nfiles, ndirs);

	return 0;
}

static inline int fs_exists_unsupported(const char *filename)
{
	return 0;
}

static inline int fs_size_unsupported(const char *filename, loff_t *size)
{
	return -1;
}

static inline int fs_read_unsupported(const char *filename, void *buf,
				      loff_t offset, loff_t len,
				      loff_t *actread)
{
	return -1;
}

static inline int fs_write_unsupported(const char *filename, void *buf,
				      loff_t offset, loff_t len,
				      loff_t *actwrite)
{
	return -1;
}

static inline void fs_close_unsupported(void)
{
}

static inline int fs_uuid_unsupported(char *uuid_str)
{
	return -1;
}

static inline int fs_opendir_unsupported(const char *filename,
					 struct fs_dir_stream **dirs)
{
	return -EACCES;
}

static inline int fs_unlink_unsupported(const char *filename)
{
	return -1;
}

static inline int fs_mkdir_unsupported(const char *dirname)
{
	return -1;
}

struct fstype_info {
	int fstype;
	char *name;
	/*
	 * Is it legal to pass NULL as .probe()'s  fs_dev_desc parameter? This
	 * should be false in most cases. For "virtual" filesystems which
	 * aren't based on a U-Boot block device (e.g. sandbox), this can be
	 * set to true. This should also be true for the dummy entry at the end
	 * of fstypes[], since that is essentially a "virtual" (non-existent)
	 * filesystem.
	 */
	bool null_dev_desc_ok;
	int (*probe)(struct blk_desc *fs_dev_desc,
		     disk_partition_t *fs_partition);
	int (*ls)(const char *dirname);
	int (*exists)(const char *filename);
	int (*size)(const char *filename, loff_t *size);
	int (*read)(const char *filename, void *buf, loff_t offset,
		    loff_t len, loff_t *actread);
	int (*write)(const char *filename, void *buf, loff_t offset,
		     loff_t len, loff_t *actwrite);
	void (*close)(void);
	int (*uuid)(char *uuid_str);
	/*
	 * Open a directory stream.  On success return 0 and directory
	 * stream pointer via 'dirsp'.  On error, return -errno.  See
	 * fs_opendir().
	 */
	int (*opendir)(const char *filename, struct fs_dir_stream **dirsp);
	/*
	 * Read next entry from directory stream.  On success return 0
	 * and directory entry pointer via 'dentp'.  On error return
	 * -errno.  See fs_readdir().
	 */
	int (*readdir)(struct fs_dir_stream *dirs, struct fs_dirent **dentp);
	/* see fs_closedir() */
	void (*closedir)(struct fs_dir_stream *dirs);
	int (*unlink)(const char *filename);
	int (*mkdir)(const char *dirname);
};

static struct fstype_info fstypes[] = {
#ifdef CONFIG_FS_FAT
	{
		.fstype = FS_TYPE_FAT,
		.name = "fat",
		.null_dev_desc_ok = false,
		.probe = fat_set_blk_dev,
		.close = fat_close,
		.ls = fs_ls_generic,
		.exists = fat_exists,
		.size = fat_size,
		.read = fat_read_file,
#ifdef CONFIG_FAT_WRITE
		.write = file_fat_write,
		.mkdir = fat_mkdir,
#else
		.write = fs_write_unsupported,
		.mkdir = fs_mkdir_unsupported,
#endif
		.uuid = fs_uuid_unsupported,
		.opendir = fat_opendir,
		.readdir = fat_readdir,
		.closedir = fat_closedir,
		.unlink = fs_unlink_unsupported,
	},
#endif
#ifdef CONFIG_FS_EXT4
	{
		.fstype = FS_TYPE_EXT,
		.name = "ext4",
		.null_dev_desc_ok = false,
		.probe = ext4fs_probe,
		.close = ext4fs_close,
		.ls = ext4fs_ls,
		.exists = ext4fs_exists,
		.size = ext4fs_size,
		.read = ext4_read_file,
#ifdef CONFIG_CMD_EXT4_WRITE
		.write = ext4_write_file,
#else
		.write = fs_write_unsupported,
#endif
		.uuid = ext4fs_uuid,
		.opendir = fs_opendir_unsupported,
		.unlink = fs_unlink_unsupported,
		.mkdir = fs_mkdir_unsupported,
	},
#endif
#ifdef CONFIG_SANDBOX
	{
		.fstype = FS_TYPE_SANDBOX,
		.name = "sandbox",
		.null_dev_desc_ok = true,
		.probe = sandbox_fs_set_blk_dev,
		.close = sandbox_fs_close,
		.ls = sandbox_fs_ls,
		.exists = sandbox_fs_exists,
		.size = sandbox_fs_size,
		.read = fs_read_sandbox,
		.write = fs_write_sandbox,
		.uuid = fs_uuid_unsupported,
		.opendir = fs_opendir_unsupported,
		.unlink = fs_unlink_unsupported,
		.mkdir = fs_mkdir_unsupported,
	},
#endif
#ifdef CONFIG_CMD_UBIFS
	{
		.fstype = FS_TYPE_UBIFS,
		.name = "ubifs",
		.null_dev_desc_ok = true,
		.probe = ubifs_set_blk_dev,
		.close = ubifs_close,
		.ls = ubifs_ls,
		.exists = ubifs_exists,
		.size = ubifs_size,
		.read = ubifs_read,
		.write = fs_write_unsupported,
		.uuid = fs_uuid_unsupported,
		.opendir = fs_opendir_unsupported,
		.unlink = fs_unlink_unsupported,
		.mkdir = fs_mkdir_unsupported,
	},
#endif
#ifdef CONFIG_FS_BTRFS
	{
		.fstype = FS_TYPE_BTRFS,
		.name = "btrfs",
		.null_dev_desc_ok = false,
		.probe = btrfs_probe,
		.close = btrfs_close,
		.ls = btrfs_ls,
		.exists = btrfs_exists,
		.size = btrfs_size,
		.read = btrfs_read,
		.write = fs_write_unsupported,
		.uuid = btrfs_uuid,
		.opendir = fs_opendir_unsupported,
		.unlink = fs_unlink_unsupported,
		.mkdir = fs_mkdir_unsupported,
	},
#endif
	{
		.fstype = FS_TYPE_ANY,
		.name = "unsupported",
		.null_dev_desc_ok = true,
		.probe = fs_probe_unsupported,
		.close = fs_close_unsupported,
		.ls = fs_ls_unsupported,
		.exists = fs_exists_unsupported,
		.size = fs_size_unsupported,
		.read = fs_read_unsupported,
		.write = fs_write_unsupported,
		.uuid = fs_uuid_unsupported,
		.opendir = fs_opendir_unsupported,
		.unlink = fs_unlink_unsupported,
		.mkdir = fs_mkdir_unsupported,
	},
};

static struct fstype_info *fs_get_info(int fstype)
{
	struct fstype_info *info;
	int i;

	for (i = 0, info = fstypes; i < ARRAY_SIZE(fstypes) - 1; i++, info++) {
		if (fstype == info->fstype)
			return info;
	}

	/* Return the 'unsupported' sentinel */
	return info;
}

/**
 * fs_get_type_name() - Get type of current filesystem
 *
 * Return: Pointer to filesystem name
 *
 * Returns a string describing the current filesystem, or the sentinel
 * "unsupported" for any unrecognised filesystem.
 */
const char *fs_get_type_name(void)
{
	return fs_get_info(fs_type)->name;
}

int fs_set_blk_dev(const char *ifname, const char *dev_part_str, int fstype)
{
	struct fstype_info *info;
	int part, i;
#ifdef CONFIG_NEEDS_MANUAL_RELOC
	static int relocated;

	if (!relocated) {
		for (i = 0, info = fstypes; i < ARRAY_SIZE(fstypes);
				i++, info++) {
			info->name += gd->reloc_off;
			info->probe += gd->reloc_off;
			info->close += gd->reloc_off;
			info->ls += gd->reloc_off;
			info->read += gd->reloc_off;
			info->write += gd->reloc_off;
		}
		relocated = 1;
	}
#endif

	part = blk_get_device_part_str(ifname, dev_part_str, &fs_dev_desc,
					&fs_partition, 1);
	if (part < 0)
		return -1;

	for (i = 0, info = fstypes; i < ARRAY_SIZE(fstypes); i++, info++) {
		if (fstype != FS_TYPE_ANY && info->fstype != FS_TYPE_ANY &&
				fstype != info->fstype)
			continue;

		if (!fs_dev_desc && !info->null_dev_desc_ok)
			continue;

		if (!info->probe(fs_dev_desc, &fs_partition)) {
			fs_type = info->fstype;
			fs_dev_part = part;
			return 0;
		}
	}

	return -1;
}

/* set current blk device w/ blk_desc + partition # */
int fs_set_blk_dev_with_part(struct blk_desc *desc, int part)
{
	struct fstype_info *info;
	int ret, i;

	if (part >= 1)
		ret = part_get_info(desc, part, &fs_partition);
	else
		ret = part_get_info_whole_disk(desc, &fs_partition);
	if (ret)
		return ret;
	fs_dev_desc = desc;

	for (i = 0, info = fstypes; i < ARRAY_SIZE(fstypes); i++, info++) {
		if (!info->probe(fs_dev_desc, &fs_partition)) {
			fs_type = info->fstype;
			return 0;
		}
	}

	return -1;
}

static void fs_close(void)
{
	struct fstype_info *info = fs_get_info(fs_type);

	info->close();

	fs_type = FS_TYPE_ANY;
}

int fs_uuid(char *uuid_str)
{
	struct fstype_info *info = fs_get_info(fs_type);

	return info->uuid(uuid_str);
}

int fs_ls(const char *dirname)
{
	int ret;

	struct fstype_info *info = fs_get_info(fs_type);

	ret = info->ls(dirname);

	fs_type = FS_TYPE_ANY;
	fs_close();

	return ret;
}

int fs_exists(const char *filename)
{
	int ret;

	struct fstype_info *info = fs_get_info(fs_type);

	ret = info->exists(filename);

	fs_close();

	return ret;
}

int fs_size(const char *filename, loff_t *size)
{
	int ret;

	struct fstype_info *info = fs_get_info(fs_type);

	ret = info->size(filename, size);

	fs_close();

	return ret;
}

int fs_read(const char *filename, ulong addr, loff_t offset, loff_t len,
	    loff_t *actread)
{
	struct fstype_info *info = fs_get_info(fs_type);
	void *buf;
	int ret;

	/*
	 * We don't actually know how many bytes are being read, since len==0
	 * means read the whole file.
	 */
	buf = map_sysmem(addr, len);
	ret = info->read(filename, buf, offset, len, actread);
	unmap_sysmem(buf);

	/* If we requested a specific number of bytes, check we got it */
	if (ret == 0 && len && *actread != len)
		debug("** %s shorter than offset + len **\n", filename);
	fs_close();

	return ret;
}

int fs_write(const char *filename, ulong addr, loff_t offset, loff_t len,
	     loff_t *actwrite)
{
	struct fstype_info *info = fs_get_info(fs_type);
	void *buf;
	int ret;

	buf = map_sysmem(addr, len);
	ret = info->write(filename, buf, offset, len, actwrite);
	unmap_sysmem(buf);

	if (ret < 0 && len != *actwrite) {
		printf("** Unable to write file %s **\n", filename);
		ret = -1;
	}
	fs_close();

	return ret;
}

struct fs_dir_stream *fs_opendir(const char *filename)
{
	struct fstype_info *info = fs_get_info(fs_type);
	struct fs_dir_stream *dirs = NULL;
	int ret;

	ret = info->opendir(filename, &dirs);
	fs_close();
	if (ret) {
		errno = -ret;
		return NULL;
	}

	dirs->desc = fs_dev_desc;
	dirs->part = fs_dev_part;

	return dirs;
}

struct fs_dirent *fs_readdir(struct fs_dir_stream *dirs)
{
	struct fstype_info *info;
	struct fs_dirent *dirent;
	int ret;

	fs_set_blk_dev_with_part(dirs->desc, dirs->part);
	info = fs_get_info(fs_type);

	ret = info->readdir(dirs, &dirent);
	fs_close();
	if (ret) {
		errno = -ret;
		return NULL;
	}

	return dirent;
}

void fs_closedir(struct fs_dir_stream *dirs)
{
	struct fstype_info *info;

	if (!dirs)
		return;

	fs_set_blk_dev_with_part(dirs->desc, dirs->part);
	info = fs_get_info(fs_type);

	info->closedir(dirs);
	fs_close();
}

int fs_unlink(const char *filename)
{
	int ret;

	struct fstype_info *info = fs_get_info(fs_type);

	ret = info->unlink(filename);

	fs_type = FS_TYPE_ANY;
	fs_close();

	return ret;
}

int fs_mkdir(const char *dirname)
{
	int ret;

	struct fstype_info *info = fs_get_info(fs_type);

	ret = info->mkdir(dirname);

	fs_type = FS_TYPE_ANY;
	fs_close();

	return ret;
}

int do_size(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
		int fstype)
{
	loff_t size;

	if (argc != 4)
		return CMD_RET_USAGE;

	if (fs_set_blk_dev(argv[1], argv[2], fstype))
		return 1;

	if (fs_size(argv[3], &size) < 0)
		return CMD_RET_FAILURE;

	env_set_hex("filesize", size);

	return 0;
}

int do_load(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
		int fstype)
{
	unsigned long addr;
	const char *addr_str;
	const char *filename;
	loff_t bytes;
	loff_t pos;
	loff_t len_read;
	int ret;
	unsigned long time;
	char *ep;

	if (argc < 2)
		return CMD_RET_USAGE;
	if (argc > 7)
		return CMD_RET_USAGE;

	if (fs_set_blk_dev(argv[1], (argc >= 3) ? argv[2] : NULL, fstype))
		return 1;

	if (argc >= 4) {
		addr = simple_strtoul(argv[3], &ep, 16);
		if (ep == argv[3] || *ep != '\0')
			return CMD_RET_USAGE;
	} else {
		addr_str = env_get("loadaddr");
		if (addr_str != NULL)
			addr = simple_strtoul(addr_str, NULL, 16);
		else
			addr = CONFIG_SYS_LOAD_ADDR;
	}
	if (argc >= 5) {
		filename = argv[4];
	} else {
		filename = env_get("bootfile");
		if (!filename) {
			puts("** No boot file defined **\n");
			return 1;
		}
	}
	if (argc >= 6)
		bytes = simple_strtoul(argv[5], NULL, 16);
	else
		bytes = 0;
	if (argc >= 7)
		pos = simple_strtoul(argv[6], NULL, 16);
	else
		pos = 0;

	time = get_timer(0);
	ret = fs_read(filename, addr, pos, bytes, &len_read);
	time = get_timer(time);
	if (ret < 0)
		return 1;

	printf("%llu bytes read in %lu ms", len_read, time);
	if (time > 0) {
		puts(" (");
		print_size(div_u64(len_read, time) * 1000, "/s");
		puts(")");
	}
	puts("\n");

	env_set_hex("fileaddr", addr);
	env_set_hex("filesize", len_read);

	return 0;
}

int do_ls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
	int fstype)
{
	if (argc < 2)
		return CMD_RET_USAGE;
	if (argc > 4)
		return CMD_RET_USAGE;

	if (fs_set_blk_dev(argv[1], (argc >= 3) ? argv[2] : NULL, fstype))
		return 1;

	if (fs_ls(argc >= 4 ? argv[3] : "/"))
		return 1;

	return 0;
}

int file_exists(const char *dev_type, const char *dev_part, const char *file,
		int fstype)
{
	if (fs_set_blk_dev(dev_type, dev_part, fstype))
		return 0;

	return fs_exists(file);
}

int do_save(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
		int fstype)
{
	unsigned long addr;
	const char *filename;
	loff_t bytes;
	loff_t pos;
	loff_t len;
	int ret;
	unsigned long time;

	if (argc < 6 || argc > 7)
		return CMD_RET_USAGE;

	if (fs_set_blk_dev(argv[1], argv[2], fstype))
		return 1;

	addr = simple_strtoul(argv[3], NULL, 16);
	filename = argv[4];
	bytes = simple_strtoul(argv[5], NULL, 16);
	if (argc >= 7)
		pos = simple_strtoul(argv[6], NULL, 16);
	else
		pos = 0;

	time = get_timer(0);
	ret = fs_write(filename, addr, pos, bytes, &len);
	time = get_timer(time);
	if (ret < 0)
		return 1;

	printf("%llu bytes written in %lu ms", len, time);
	if (time > 0) {
		puts(" (");
		print_size(div_u64(len, time) * 1000, "/s");
		puts(")");
	}
	puts("\n");

	return 0;
}

int do_fs_uuid(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
		int fstype)
{
	int ret;
	char uuid[37];
	memset(uuid, 0, sizeof(uuid));

	if (argc < 3 || argc > 4)
		return CMD_RET_USAGE;

	if (fs_set_blk_dev(argv[1], argv[2], fstype))
		return 1;

	ret = fs_uuid(uuid);
	if (ret)
		return CMD_RET_FAILURE;

	if (argc == 4)
		env_set(argv[3], uuid);
	else
		printf("%s\n", uuid);

	return CMD_RET_SUCCESS;
}

int do_fs_type(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
	struct fstype_info *info;

	if (argc < 3 || argc > 4)
		return CMD_RET_USAGE;

	if (fs_set_blk_dev(argv[1], argv[2], FS_TYPE_ANY))
		return 1;

	info = fs_get_info(fs_type);

	if (argc == 4)
		env_set(argv[3], info->name);
	else
		printf("%s\n", info->name);

	return CMD_RET_SUCCESS;
}

int do_rm(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
	  int fstype)
{
	if (argc != 4)
		return CMD_RET_USAGE;

	if (fs_set_blk_dev(argv[1], argv[2], fstype))
		return 1;

	if (fs_unlink(argv[3]))
		return 1;

	return 0;
}

int do_mkdir(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
	     int fstype)
{
	int ret;

	if (argc != 4)
		return CMD_RET_USAGE;

	if (fs_set_blk_dev(argv[1], argv[2], fstype))
		return 1;

	ret = fs_mkdir(argv[3]);
	if (ret) {
		printf("** Unable to create a directory \"%s\" **\n", argv[3]);
		return 1;
	}

	return 0;
}
Commit	Line	Data
83d290c5	1	// SPDX-License-Identifier: GPL-2.0
045fa1e1 SW	2	/*
045fa1e1 SW	3	* Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved.
045fa1e1 SW	4	*/
	5
	6	#include <config.h>
59e890ef	7	#include <errno.h>
045fa1e1	8	#include <common.h>
0eb25b61	9	#include <mapmem.h>
045fa1e1 SW	10	#include <part.h>
	11	#include <ext4fs.h>
	12	#include <fat.h>
	13	#include <fs.h>
92ccc96b	14	#include <sandboxfs.h>
251cee0d	15	#include <ubifs_uboot.h>
0c936ee3	16	#include <btrfs.h>
117e0507	17	#include <asm/io.h>
9e374e7b TR	18	#include <div64.h>
9e374e7b TR	19	#include <linux/math64.h>
045fa1e1	20
a1b231ce SW	21	DECLARE_GLOBAL_DATA_PTR;
a1b231ce SW	22
4101f687	23	static struct blk_desc *fs_dev_desc;
4bbcc965	24	static int fs_dev_part;
045fa1e1 SW	25	static disk_partition_t fs_partition;
	26	static int fs_type = FS_TYPE_ANY;
	27
4101f687	28	static inline int fs_probe_unsupported(struct blk_desc *fs_dev_desc,
2ded0d47	29	disk_partition_t *fs_partition)
436e2b73 SG	30	{
	31	printf(" Unrecognized filesystem type \n");
	32	return -1;
	33	}
	34
045fa1e1 SW	35	static inline int fs_ls_unsupported(const char *dirname)
045fa1e1 SW	36	{
045fa1e1 SW	37	return -1;
	38	}
	39
89191d62 RC	40	/* generic implementation of ls in terms of opendir/readdir/closedir */
	41	__maybe_unused
	42	static int fs_ls_generic(const char *dirname)
	43	{
	44	struct fs_dir_stream *dirs;
	45	struct fs_dirent *dent;
	46	int nfiles = 0, ndirs = 0;
	47
	48	dirs = fs_opendir(dirname);
	49	if (!dirs)
	50	return -errno;
	51
	52	while ((dent = fs_readdir(dirs))) {
	53	if (dent->type == FS_DT_DIR) {
	54	printf(" %s/\n", dent->name);
	55	ndirs++;
	56	} else {
	57	printf(" %8lld %s\n", dent->size, dent->name);
	58	nfiles++;
	59	}
	60	}
	61
	62	fs_closedir(dirs);
	63
	64	printf("\n%d file(s), %d dir(s)\n\n", nfiles, ndirs);
	65
	66	return 0;
	67	}
	68
6152916a SW	69	static inline int fs_exists_unsupported(const char *filename)
	70	{
	71	return 0;
	72	}
	73
d455d878	74	static inline int fs_size_unsupported(const char filename, loff_t size)
cf659819 SW	75	{
	76	return -1;
	77	}
	78
117e0507	79	static inline int fs_read_unsupported(const char filename, void buf,
d455d878 SR	80	loff_t offset, loff_t len,
d455d878 SR	81	loff_t *actread)
045fa1e1	82	{
045fa1e1 SW	83	return -1;
	84	}
	85
a8f6ab52	86	static inline int fs_write_unsupported(const char filename, void buf,
d455d878 SR	87	loff_t offset, loff_t len,
d455d878 SR	88	loff_t *actwrite)
a8f6ab52 SG	89	{
	90	return -1;
	91	}
	92
436e2b73 SG	93	static inline void fs_close_unsupported(void)
	94	{
	95	}
	96
59e890ef CG	97	static inline int fs_uuid_unsupported(char *uuid_str)
	98	{
	99	return -1;
	100	}
	101
4bbcc965 RC	102	static inline int fs_opendir_unsupported(const char *filename,
	103	struct fs_dir_stream **dirs)
	104	{
	105	return -EACCES;
	106	}
	107
e2519daf AT	108	static inline int fs_unlink_unsupported(const char *filename)
	109	{
	110	return -1;
	111	}
	112
e7074cff AT	113	static inline int fs_mkdir_unsupported(const char *dirname)
	114	{
	115	return -1;
	116	}
	117
436e2b73	118	struct fstype_info {
045fa1e1	119	int fstype;
1a1ad8e0	120	char *name;
377202b5 SW	121	/*
	122	* Is it legal to pass NULL as .probe()'s fs_dev_desc parameter? This
	123	* should be false in most cases. For "virtual" filesystems which
	124	* aren't based on a U-Boot block device (e.g. sandbox), this can be
ca230b09	125	* set to true. This should also be true for the dummy entry at the end
377202b5 SW	126	* of fstypes[], since that is essentially a "virtual" (non-existent)
	127	* filesystem.
	128	*/
	129	bool null_dev_desc_ok;
4101f687	130	int (probe)(struct blk_desc fs_dev_desc,
2ded0d47	131	disk_partition_t *fs_partition);
436e2b73	132	int (ls)(const char dirname);
6152916a	133	int (exists)(const char filename);
d455d878 SR	134	int (size)(const char filename, loff_t *size);
	135	int (read)(const char filename, void *buf, loff_t offset,
	136	loff_t len, loff_t *actread);
	137	int (write)(const char filename, void *buf, loff_t offset,
	138	loff_t len, loff_t *actwrite);
436e2b73	139	void (*close)(void);
59e890ef	140	int (uuid)(char uuid_str);
4bbcc965 RC	141	/*
	142	* Open a directory stream. On success return 0 and directory
	143	* stream pointer via 'dirsp'. On error, return -errno. See
	144	* fs_opendir().
	145	*/
	146	int (opendir)(const char filename, struct fs_dir_stream **dirsp);
	147	/*
	148	* Read next entry from directory stream. On success return 0
	149	* and directory entry pointer via 'dentp'. On error return
	150	* -errno. See fs_readdir().
	151	*/
	152	int (readdir)(struct fs_dir_stream dirs, struct fs_dirent **dentp);
	153	/* see fs_closedir() */
	154	void (closedir)(struct fs_dir_stream dirs);
e2519daf	155	int (unlink)(const char filename);
e7074cff	156	int (mkdir)(const char dirname);
436e2b73 SG	157	};
	158
	159	static struct fstype_info fstypes[] = {
	160	#ifdef CONFIG_FS_FAT
045fa1e1 SW	161	{
045fa1e1 SW	162	.fstype = FS_TYPE_FAT,
1a1ad8e0	163	.name = "fat",
377202b5	164	.null_dev_desc_ok = false,
e6d52415 SG	165	.probe = fat_set_blk_dev,
e6d52415 SG	166	.close = fat_close,
89191d62	167	.ls = fs_ls_generic,
b7b5f319	168	.exists = fat_exists,
cf659819	169	.size = fat_size,
e6d52415	170	.read = fat_read_file,
d455d878 SR	171	#ifdef CONFIG_FAT_WRITE
d455d878 SR	172	.write = file_fat_write,
31a18d57	173	.mkdir = fat_mkdir,
d455d878	174	#else
bd6fb31f	175	.write = fs_write_unsupported,
31a18d57	176	.mkdir = fs_mkdir_unsupported,
d455d878	177	#endif
59e890ef	178	.uuid = fs_uuid_unsupported,
89191d62 RC	179	.opendir = fat_opendir,
	180	.readdir = fat_readdir,
	181	.closedir = fat_closedir,
e2519daf	182	.unlink = fs_unlink_unsupported,
045fa1e1	183	},
436e2b73 SG	184	#endif
436e2b73 SG	185	#ifdef CONFIG_FS_EXT4
045fa1e1 SW	186	{
045fa1e1 SW	187	.fstype = FS_TYPE_EXT,
1a1ad8e0	188	.name = "ext4",
377202b5	189	.null_dev_desc_ok = false,
e6d52415 SG	190	.probe = ext4fs_probe,
e6d52415 SG	191	.close = ext4fs_close,
436e2b73	192	.ls = ext4fs_ls,
55af5c93	193	.exists = ext4fs_exists,
cf659819	194	.size = ext4fs_size,
e6d52415	195	.read = ext4_read_file,
d455d878 SR	196	#ifdef CONFIG_CMD_EXT4_WRITE
	197	.write = ext4_write_file,
	198	#else
bd6fb31f	199	.write = fs_write_unsupported,
d455d878	200	#endif
59e890ef	201	.uuid = ext4fs_uuid,
4bbcc965	202	.opendir = fs_opendir_unsupported,
e2519daf	203	.unlink = fs_unlink_unsupported,
e7074cff	204	.mkdir = fs_mkdir_unsupported,
436e2b73	205	},
92ccc96b SG	206	#endif
	207	#ifdef CONFIG_SANDBOX
	208	{
	209	.fstype = FS_TYPE_SANDBOX,
1a1ad8e0	210	.name = "sandbox",
377202b5	211	.null_dev_desc_ok = true,
92ccc96b SG	212	.probe = sandbox_fs_set_blk_dev,
	213	.close = sandbox_fs_close,
	214	.ls = sandbox_fs_ls,
0a30aa1e	215	.exists = sandbox_fs_exists,
cf659819	216	.size = sandbox_fs_size,
92ccc96b	217	.read = fs_read_sandbox,
7eb2c8d5	218	.write = fs_write_sandbox,
59e890ef	219	.uuid = fs_uuid_unsupported,
4bbcc965	220	.opendir = fs_opendir_unsupported,
e2519daf	221	.unlink = fs_unlink_unsupported,
e7074cff	222	.mkdir = fs_mkdir_unsupported,
92ccc96b	223	},
251cee0d HG	224	#endif
	225	#ifdef CONFIG_CMD_UBIFS
	226	{
	227	.fstype = FS_TYPE_UBIFS,
	228	.name = "ubifs",
	229	.null_dev_desc_ok = true,
	230	.probe = ubifs_set_blk_dev,
	231	.close = ubifs_close,
	232	.ls = ubifs_ls,
	233	.exists = ubifs_exists,
	234	.size = ubifs_size,
	235	.read = ubifs_read,
	236	.write = fs_write_unsupported,
	237	.uuid = fs_uuid_unsupported,
4bbcc965	238	.opendir = fs_opendir_unsupported,
e2519daf	239	.unlink = fs_unlink_unsupported,
e7074cff	240	.mkdir = fs_mkdir_unsupported,
251cee0d	241	},
0c936ee3 MB	242	#endif
	243	#ifdef CONFIG_FS_BTRFS
	244	{
	245	.fstype = FS_TYPE_BTRFS,
	246	.name = "btrfs",
	247	.null_dev_desc_ok = false,
	248	.probe = btrfs_probe,
	249	.close = btrfs_close,
	250	.ls = btrfs_ls,
	251	.exists = btrfs_exists,
	252	.size = btrfs_size,
	253	.read = btrfs_read,
	254	.write = fs_write_unsupported,
	255	.uuid = btrfs_uuid,
38fc683d	256	.opendir = fs_opendir_unsupported,
e2519daf	257	.unlink = fs_unlink_unsupported,
e7074cff	258	.mkdir = fs_mkdir_unsupported,
0c936ee3	259	},
436e2b73 SG	260	#endif
	261	{
	262	.fstype = FS_TYPE_ANY,
1a1ad8e0	263	.name = "unsupported",
377202b5	264	.null_dev_desc_ok = true,
436e2b73 SG	265	.probe = fs_probe_unsupported,
	266	.close = fs_close_unsupported,
	267	.ls = fs_ls_unsupported,
6152916a	268	.exists = fs_exists_unsupported,
cf659819	269	.size = fs_size_unsupported,
436e2b73	270	.read = fs_read_unsupported,
a8f6ab52	271	.write = fs_write_unsupported,
59e890ef	272	.uuid = fs_uuid_unsupported,
4bbcc965	273	.opendir = fs_opendir_unsupported,
e2519daf	274	.unlink = fs_unlink_unsupported,
e7074cff	275	.mkdir = fs_mkdir_unsupported,
045fa1e1 SW	276	},
	277	};
	278
c6f548d2 SG	279	static struct fstype_info *fs_get_info(int fstype)
	280	{
	281	struct fstype_info *info;
	282	int i;
	283
	284	for (i = 0, info = fstypes; i < ARRAY_SIZE(fstypes) - 1; i++, info++) {
	285	if (fstype == info->fstype)
	286	return info;
	287	}
	288
	289	/* Return the 'unsupported' sentinel */
	290	return info;
	291	}
	292
0d488e8f AK	293	/**
	294	* fs_get_type_name() - Get type of current filesystem
	295	*
	296	* Return: Pointer to filesystem name
	297	*
	298	* Returns a string describing the current filesystem, or the sentinel
	299	* "unsupported" for any unrecognised filesystem.
	300	*/
	301	const char *fs_get_type_name(void)
	302	{
	303	return fs_get_info(fs_type)->name;
	304	}
	305
045fa1e1 SW	306	int fs_set_blk_dev(const char ifname, const char dev_part_str, int fstype)
045fa1e1 SW	307	{
436e2b73	308	struct fstype_info *info;
045fa1e1	309	int part, i;
a1b231ce SW	310	#ifdef CONFIG_NEEDS_MANUAL_RELOC
	311	static int relocated;
	312
	313	if (!relocated) {
436e2b73 SG	314	for (i = 0, info = fstypes; i < ARRAY_SIZE(fstypes);
436e2b73 SG	315	i++, info++) {
1a1ad8e0	316	info->name += gd->reloc_off;
436e2b73 SG	317	info->probe += gd->reloc_off;
	318	info->close += gd->reloc_off;
	319	info->ls += gd->reloc_off;
	320	info->read += gd->reloc_off;
a8f6ab52	321	info->write += gd->reloc_off;
436e2b73	322	}
a1b231ce SW	323	relocated = 1;
	324	}
	325	#endif
045fa1e1	326
e35929e4	327	part = blk_get_device_part_str(ifname, dev_part_str, &fs_dev_desc,
045fa1e1 SW	328	&fs_partition, 1);
	329	if (part < 0)
	330	return -1;
	331
436e2b73 SG	332	for (i = 0, info = fstypes; i < ARRAY_SIZE(fstypes); i++, info++) {
	333	if (fstype != FS_TYPE_ANY && info->fstype != FS_TYPE_ANY &&
	334	fstype != info->fstype)
045fa1e1 SW	335	continue;
045fa1e1 SW	336
377202b5 SW	337	if (!fs_dev_desc && !info->null_dev_desc_ok)
	338	continue;
	339
4bbcc965 RC	340	if (!info->probe(fs_dev_desc, &fs_partition)) {
	341	fs_type = info->fstype;
	342	fs_dev_part = part;
	343	return 0;
	344	}
	345	}
	346
	347	return -1;
	348	}
	349
	350	/* set current blk device w/ blk_desc + partition # */
	351	int fs_set_blk_dev_with_part(struct blk_desc *desc, int part)
	352	{
	353	struct fstype_info *info;
	354	int ret, i;
	355
	356	if (part >= 1)
	357	ret = part_get_info(desc, part, &fs_partition);
	358	else
	359	ret = part_get_info_whole_disk(desc, &fs_partition);
	360	if (ret)
	361	return ret;
	362	fs_dev_desc = desc;
	363
	364	for (i = 0, info = fstypes; i < ARRAY_SIZE(fstypes); i++, info++) {
2ded0d47	365	if (!info->probe(fs_dev_desc, &fs_partition)) {
436e2b73	366	fs_type = info->fstype;
045fa1e1 SW	367	return 0;
	368	}
	369	}
	370
045fa1e1 SW	371	return -1;
	372	}
	373
	374	static void fs_close(void)
	375	{
c6f548d2	376	struct fstype_info *info = fs_get_info(fs_type);
045fa1e1	377
c6f548d2	378	info->close();
e6d52415	379
045fa1e1 SW	380	fs_type = FS_TYPE_ANY;
	381	}
	382
59e890ef CG	383	int fs_uuid(char *uuid_str)
	384	{
	385	struct fstype_info *info = fs_get_info(fs_type);
	386
	387	return info->uuid(uuid_str);
	388	}
	389
045fa1e1 SW	390	int fs_ls(const char *dirname)
	391	{
	392	int ret;
	393
c6f548d2 SG	394	struct fstype_info *info = fs_get_info(fs_type);
	395
	396	ret = info->ls(dirname);
045fa1e1	397
e6d52415	398	fs_type = FS_TYPE_ANY;
045fa1e1 SW	399	fs_close();
	400
	401	return ret;
	402	}
	403
6152916a SW	404	int fs_exists(const char *filename)
	405	{
	406	int ret;
	407
	408	struct fstype_info *info = fs_get_info(fs_type);
	409
	410	ret = info->exists(filename);
	411
	412	fs_close();
	413
	414	return ret;
	415	}
	416
d455d878	417	int fs_size(const char filename, loff_t size)
cf659819 SW	418	{
	419	int ret;
	420
	421	struct fstype_info *info = fs_get_info(fs_type);
	422
d455d878	423	ret = info->size(filename, size);
cf659819 SW	424
	425	fs_close();
	426
	427	return ret;
	428	}
	429
d455d878 SR	430	int fs_read(const char *filename, ulong addr, loff_t offset, loff_t len,
d455d878 SR	431	loff_t *actread)
045fa1e1	432	{
c6f548d2	433	struct fstype_info *info = fs_get_info(fs_type);
117e0507	434	void *buf;
045fa1e1 SW	435	int ret;
045fa1e1 SW	436
117e0507 SG	437	/*
	438	* We don't actually know how many bytes are being read, since len==0
	439	* means read the whole file.
	440	*/
	441	buf = map_sysmem(addr, len);
d455d878	442	ret = info->read(filename, buf, offset, len, actread);
117e0507	443	unmap_sysmem(buf);
045fa1e1	444
c6f548d2	445	/* If we requested a specific number of bytes, check we got it */
7a3e70cf	446	if (ret == 0 && len && *actread != len)
a327bde7	447	debug(" %s shorter than offset + len \n", filename);
045fa1e1 SW	448	fs_close();
	449
	450	return ret;
	451	}
	452
d455d878 SR	453	int fs_write(const char *filename, ulong addr, loff_t offset, loff_t len,
d455d878 SR	454	loff_t *actwrite)
a8f6ab52 SG	455	{
	456	struct fstype_info *info = fs_get_info(fs_type);
	457	void *buf;
	458	int ret;
	459
a8f6ab52	460	buf = map_sysmem(addr, len);
d455d878	461	ret = info->write(filename, buf, offset, len, actwrite);
a8f6ab52 SG	462	unmap_sysmem(buf);
a8f6ab52 SG	463
d455d878	464	if (ret < 0 && len != *actwrite) {
a8f6ab52 SG	465	printf(" Unable to write file %s \n", filename);
	466	ret = -1;
	467	}
	468	fs_close();
	469
	470	return ret;
	471	}
	472
4bbcc965 RC	473	struct fs_dir_stream fs_opendir(const char filename)
	474	{
	475	struct fstype_info *info = fs_get_info(fs_type);
	476	struct fs_dir_stream *dirs = NULL;
	477	int ret;
	478
	479	ret = info->opendir(filename, &dirs);
	480	fs_close();
	481	if (ret) {
	482	errno = -ret;
	483	return NULL;
	484	}
	485
	486	dirs->desc = fs_dev_desc;
	487	dirs->part = fs_dev_part;
	488
	489	return dirs;
	490	}
	491
	492	struct fs_dirent fs_readdir(struct fs_dir_stream dirs)
	493	{
	494	struct fstype_info *info;
	495	struct fs_dirent *dirent;
	496	int ret;
	497
	498	fs_set_blk_dev_with_part(dirs->desc, dirs->part);
	499	info = fs_get_info(fs_type);
	500
	501	ret = info->readdir(dirs, &dirent);
	502	fs_close();
	503	if (ret) {
	504	errno = -ret;
	505	return NULL;
	506	}
	507
	508	return dirent;
	509	}
	510
	511	void fs_closedir(struct fs_dir_stream *dirs)
	512	{
	513	struct fstype_info *info;
	514
	515	if (!dirs)
	516	return;
	517
	518	fs_set_blk_dev_with_part(dirs->desc, dirs->part);
	519	info = fs_get_info(fs_type);
	520
	521	info->closedir(dirs);
	522	fs_close();
	523	}
	524
e2519daf AT	525	int fs_unlink(const char *filename)
	526	{
	527	int ret;
	528
	529	struct fstype_info *info = fs_get_info(fs_type);
	530
	531	ret = info->unlink(filename);
	532
	533	fs_type = FS_TYPE_ANY;
	534	fs_close();
	535
	536	return ret;
	537	}
4bbcc965	538
e7074cff AT	539	int fs_mkdir(const char *dirname)
	540	{
	541	int ret;
	542
	543	struct fstype_info *info = fs_get_info(fs_type);
	544
	545	ret = info->mkdir(dirname);
	546
	547	fs_type = FS_TYPE_ANY;
	548	fs_close();
	549
	550	return ret;
	551	}
	552
cf659819 SW	553	int do_size(cmd_tbl_t cmdtp, int flag, int argc, char const argv[],
	554	int fstype)
	555	{
d455d878	556	loff_t size;
cf659819 SW	557
	558	if (argc != 4)
	559	return CMD_RET_USAGE;
	560
	561	if (fs_set_blk_dev(argv[1], argv[2], fstype))
	562	return 1;
	563
d455d878	564	if (fs_size(argv[3], &size) < 0)
cf659819 SW	565	return CMD_RET_FAILURE;
cf659819 SW	566
018f5303	567	env_set_hex("filesize", size);
cf659819 SW	568
	569	return 0;
	570	}
	571
f9b55e22	572	int do_load(cmd_tbl_t cmdtp, int flag, int argc, char const argv[],
b770e88a	573	int fstype)
045fa1e1 SW	574	{
	575	unsigned long addr;
	576	const char *addr_str;
	577	const char *filename;
d455d878 SR	578	loff_t bytes;
	579	loff_t pos;
	580	loff_t len_read;
	581	int ret;
da1fd96c	582	unsigned long time;
949bbd7c	583	char *ep;
045fa1e1	584
e9b0f99e SW	585	if (argc < 2)
	586	return CMD_RET_USAGE;
	587	if (argc > 7)
045fa1e1 SW	588	return CMD_RET_USAGE;
045fa1e1 SW	589
e9b0f99e	590	if (fs_set_blk_dev(argv[1], (argc >= 3) ? argv[2] : NULL, fstype))
045fa1e1 SW	591	return 1;
	592
	593	if (argc >= 4) {
949bbd7c PM	594	addr = simple_strtoul(argv[3], &ep, 16);
	595	if (ep == argv[3] \|\| *ep != '\0')
	596	return CMD_RET_USAGE;
045fa1e1	597	} else {
00caae6d	598	addr_str = env_get("loadaddr");
045fa1e1 SW	599	if (addr_str != NULL)
	600	addr = simple_strtoul(addr_str, NULL, 16);
	601	else
	602	addr = CONFIG_SYS_LOAD_ADDR;
	603	}
	604	if (argc >= 5) {
	605	filename = argv[4];
	606	} else {
00caae6d	607	filename = env_get("bootfile");
045fa1e1 SW	608	if (!filename) {
	609	puts(" No boot file defined \n");
	610	return 1;
	611	}
	612	}
	613	if (argc >= 6)
b770e88a	614	bytes = simple_strtoul(argv[5], NULL, 16);
045fa1e1 SW	615	else
	616	bytes = 0;
	617	if (argc >= 7)
b770e88a	618	pos = simple_strtoul(argv[6], NULL, 16);
045fa1e1 SW	619	else
	620	pos = 0;
	621
da1fd96c	622	time = get_timer(0);
d455d878	623	ret = fs_read(filename, addr, pos, bytes, &len_read);
da1fd96c	624	time = get_timer(time);
d455d878	625	if (ret < 0)
045fa1e1 SW	626	return 1;
045fa1e1 SW	627
d455d878	628	printf("%llu bytes read in %lu ms", len_read, time);
da1fd96c AB	629	if (time > 0) {
da1fd96c AB	630	puts(" (");
9e374e7b	631	print_size(div_u64(len_read, time) * 1000, "/s");
da1fd96c AB	632	puts(")");
	633	}
	634	puts("\n");
045fa1e1	635
018f5303 SG	636	env_set_hex("fileaddr", addr);
018f5303 SG	637	env_set_hex("filesize", len_read);
045fa1e1 SW	638
	639	return 0;
	640	}
	641
	642	int do_ls(cmd_tbl_t cmdtp, int flag, int argc, char const argv[],
	643	int fstype)
	644	{
	645	if (argc < 2)
	646	return CMD_RET_USAGE;
e9b0f99e SW	647	if (argc > 4)
e9b0f99e SW	648	return CMD_RET_USAGE;
045fa1e1 SW	649
	650	if (fs_set_blk_dev(argv[1], (argc >= 3) ? argv[2] : NULL, fstype))
	651	return 1;
	652
e9b0f99e	653	if (fs_ls(argc >= 4 ? argv[3] : "/"))
045fa1e1 SW	654	return 1;
	655
	656	return 0;
	657	}
a8f6ab52	658
6152916a SW	659	int file_exists(const char dev_type, const char dev_part, const char *file,
	660	int fstype)
	661	{
	662	if (fs_set_blk_dev(dev_type, dev_part, fstype))
	663	return 0;
	664
	665	return fs_exists(file);
	666	}
	667
a8f6ab52	668	int do_save(cmd_tbl_t cmdtp, int flag, int argc, char const argv[],
b770e88a	669	int fstype)
a8f6ab52 SG	670	{
	671	unsigned long addr;
	672	const char *filename;
d455d878 SR	673	loff_t bytes;
	674	loff_t pos;
	675	loff_t len;
	676	int ret;
a8f6ab52 SG	677	unsigned long time;
	678
	679	if (argc < 6 \|\| argc > 7)
	680	return CMD_RET_USAGE;
	681
	682	if (fs_set_blk_dev(argv[1], argv[2], fstype))
	683	return 1;
	684
d455d878 SR	685	addr = simple_strtoul(argv[3], NULL, 16);
d455d878 SR	686	filename = argv[4];
b770e88a	687	bytes = simple_strtoul(argv[5], NULL, 16);
a8f6ab52	688	if (argc >= 7)
b770e88a	689	pos = simple_strtoul(argv[6], NULL, 16);
a8f6ab52 SG	690	else
	691	pos = 0;
	692
	693	time = get_timer(0);
d455d878	694	ret = fs_write(filename, addr, pos, bytes, &len);
a8f6ab52	695	time = get_timer(time);
d455d878	696	if (ret < 0)
a8f6ab52 SG	697	return 1;
a8f6ab52 SG	698
d455d878	699	printf("%llu bytes written in %lu ms", len, time);
a8f6ab52 SG	700	if (time > 0) {
a8f6ab52 SG	701	puts(" (");
9e374e7b	702	print_size(div_u64(len, time) * 1000, "/s");
a8f6ab52 SG	703	puts(")");
	704	}
	705	puts("\n");
	706
	707	return 0;
	708	}
59e890ef CG	709
	710	int do_fs_uuid(cmd_tbl_t cmdtp, int flag, int argc, char const argv[],
	711	int fstype)
	712	{
	713	int ret;
	714	char uuid[37];
	715	memset(uuid, 0, sizeof(uuid));
	716
	717	if (argc < 3 \|\| argc > 4)
	718	return CMD_RET_USAGE;
	719
	720	if (fs_set_blk_dev(argv[1], argv[2], fstype))
	721	return 1;
	722
	723	ret = fs_uuid(uuid);
	724	if (ret)
	725	return CMD_RET_FAILURE;
	726
	727	if (argc == 4)
382bee57	728	env_set(argv[3], uuid);
59e890ef CG	729	else
	730	printf("%s\n", uuid);
	731
	732	return CMD_RET_SUCCESS;
	733	}
1a1ad8e0 SS	734
	735	int do_fs_type(cmd_tbl_t cmdtp, int flag, int argc, char const argv[])
	736	{
	737	struct fstype_info *info;
	738
	739	if (argc < 3 \|\| argc > 4)
	740	return CMD_RET_USAGE;
	741
	742	if (fs_set_blk_dev(argv[1], argv[2], FS_TYPE_ANY))
	743	return 1;
	744
	745	info = fs_get_info(fs_type);
	746
	747	if (argc == 4)
382bee57	748	env_set(argv[3], info->name);
1a1ad8e0 SS	749	else
	750	printf("%s\n", info->name);
	751
	752	return CMD_RET_SUCCESS;
	753	}
	754
e2519daf AT	755	int do_rm(cmd_tbl_t cmdtp, int flag, int argc, char const argv[],
	756	int fstype)
	757	{
	758	if (argc != 4)
	759	return CMD_RET_USAGE;
	760
	761	if (fs_set_blk_dev(argv[1], argv[2], fstype))
	762	return 1;
	763
	764	if (fs_unlink(argv[3]))
	765	return 1;
	766
	767	return 0;
	768	}
	769
e7074cff AT	770	int do_mkdir(cmd_tbl_t cmdtp, int flag, int argc, char const argv[],
	771	int fstype)
	772	{
	773	int ret;
	774
	775	if (argc != 4)
	776	return CMD_RET_USAGE;
	777
	778	if (fs_set_blk_dev(argv[1], argv[2], fstype))
	779	return 1;
	780
	781	ret = fs_mkdir(argv[3]);
	782	if (ret) {
	783	printf(" Unable to create a directory \"%s\" \n", argv[3]);
	784	return 1;
	785	}
	786
	787	return 0;
	788	}