[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;
}

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);
};

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,
#else
		.write = fs_write_unsupported,
#endif
		.uuid = fs_uuid_unsupported,
		.opendir = fat_opendir,
		.readdir = fat_readdir,
		.closedir = fat_closedir,
	},
#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,
	},
#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,
	},
#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,
	},
#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,
	},
#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,
	},
};

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