[people/ms/u-boot.git] / fs / fs.c

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

#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 <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 dumm 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
	{
		.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;
}

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)
		printf("** %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
045fa1e1 SW	1	/*
	2	* Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved.
	3	*
5b8031cc	4	* SPDX-License-Identifier: GPL-2.0
045fa1e1 SW	5	*/
	6
	7	#include <config.h>
59e890ef	8	#include <errno.h>
045fa1e1	9	#include <common.h>
0eb25b61	10	#include <mapmem.h>
045fa1e1 SW	11	#include <part.h>
	12	#include <ext4fs.h>
	13	#include <fat.h>
	14	#include <fs.h>
92ccc96b	15	#include <sandboxfs.h>
251cee0d	16	#include <ubifs_uboot.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
	115	* set to true. This should also be true for the dumm entry at the end
	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	},
436e2b73 SG	221	#endif
	222	{
	223	.fstype = FS_TYPE_ANY,
1a1ad8e0	224	.name = "unsupported",
377202b5	225	.null_dev_desc_ok = true,
436e2b73 SG	226	.probe = fs_probe_unsupported,
	227	.close = fs_close_unsupported,
	228	.ls = fs_ls_unsupported,
6152916a	229	.exists = fs_exists_unsupported,
cf659819	230	.size = fs_size_unsupported,
436e2b73	231	.read = fs_read_unsupported,
a8f6ab52	232	.write = fs_write_unsupported,
59e890ef	233	.uuid = fs_uuid_unsupported,
4bbcc965	234	.opendir = fs_opendir_unsupported,
045fa1e1 SW	235	},
	236	};
	237
c6f548d2 SG	238	static struct fstype_info *fs_get_info(int fstype)
	239	{
	240	struct fstype_info *info;
	241	int i;
	242
	243	for (i = 0, info = fstypes; i < ARRAY_SIZE(fstypes) - 1; i++, info++) {
	244	if (fstype == info->fstype)
	245	return info;
	246	}
	247
	248	/* Return the 'unsupported' sentinel */
	249	return info;
	250	}
	251
045fa1e1 SW	252	int fs_set_blk_dev(const char ifname, const char dev_part_str, int fstype)
045fa1e1 SW	253	{
436e2b73	254	struct fstype_info *info;
045fa1e1	255	int part, i;
a1b231ce SW	256	#ifdef CONFIG_NEEDS_MANUAL_RELOC
	257	static int relocated;
	258
	259	if (!relocated) {
436e2b73 SG	260	for (i = 0, info = fstypes; i < ARRAY_SIZE(fstypes);
436e2b73 SG	261	i++, info++) {
1a1ad8e0	262	info->name += gd->reloc_off;
436e2b73 SG	263	info->probe += gd->reloc_off;
	264	info->close += gd->reloc_off;
	265	info->ls += gd->reloc_off;
	266	info->read += gd->reloc_off;
a8f6ab52	267	info->write += gd->reloc_off;
436e2b73	268	}
a1b231ce SW	269	relocated = 1;
	270	}
	271	#endif
045fa1e1	272
e35929e4	273	part = blk_get_device_part_str(ifname, dev_part_str, &fs_dev_desc,
045fa1e1 SW	274	&fs_partition, 1);
	275	if (part < 0)
	276	return -1;
	277
436e2b73 SG	278	for (i = 0, info = fstypes; i < ARRAY_SIZE(fstypes); i++, info++) {
	279	if (fstype != FS_TYPE_ANY && info->fstype != FS_TYPE_ANY &&
	280	fstype != info->fstype)
045fa1e1 SW	281	continue;
045fa1e1 SW	282
377202b5 SW	283	if (!fs_dev_desc && !info->null_dev_desc_ok)
	284	continue;
	285
4bbcc965 RC	286	if (!info->probe(fs_dev_desc, &fs_partition)) {
	287	fs_type = info->fstype;
	288	fs_dev_part = part;
	289	return 0;
	290	}
	291	}
	292
	293	return -1;
	294	}
	295
	296	/* set current blk device w/ blk_desc + partition # */
	297	int fs_set_blk_dev_with_part(struct blk_desc *desc, int part)
	298	{
	299	struct fstype_info *info;
	300	int ret, i;
	301
	302	if (part >= 1)
	303	ret = part_get_info(desc, part, &fs_partition);
	304	else
	305	ret = part_get_info_whole_disk(desc, &fs_partition);
	306	if (ret)
	307	return ret;
	308	fs_dev_desc = desc;
	309
	310	for (i = 0, info = fstypes; i < ARRAY_SIZE(fstypes); i++, info++) {
2ded0d47	311	if (!info->probe(fs_dev_desc, &fs_partition)) {
436e2b73	312	fs_type = info->fstype;
045fa1e1 SW	313	return 0;
	314	}
	315	}
	316
045fa1e1 SW	317	return -1;
	318	}
	319
	320	static void fs_close(void)
	321	{
c6f548d2	322	struct fstype_info *info = fs_get_info(fs_type);
045fa1e1	323
c6f548d2	324	info->close();
e6d52415	325
045fa1e1 SW	326	fs_type = FS_TYPE_ANY;
	327	}
	328
59e890ef CG	329	int fs_uuid(char *uuid_str)
	330	{
	331	struct fstype_info *info = fs_get_info(fs_type);
	332
	333	return info->uuid(uuid_str);
	334	}
	335
045fa1e1 SW	336	int fs_ls(const char *dirname)
	337	{
	338	int ret;
	339
c6f548d2 SG	340	struct fstype_info *info = fs_get_info(fs_type);
	341
	342	ret = info->ls(dirname);
045fa1e1	343
e6d52415	344	fs_type = FS_TYPE_ANY;
045fa1e1 SW	345	fs_close();
	346
	347	return ret;
	348	}
	349
6152916a SW	350	int fs_exists(const char *filename)
	351	{
	352	int ret;
	353
	354	struct fstype_info *info = fs_get_info(fs_type);
	355
	356	ret = info->exists(filename);
	357
	358	fs_close();
	359
	360	return ret;
	361	}
	362
d455d878	363	int fs_size(const char filename, loff_t size)
cf659819 SW	364	{
	365	int ret;
	366
	367	struct fstype_info *info = fs_get_info(fs_type);
	368
d455d878	369	ret = info->size(filename, size);
cf659819 SW	370
	371	fs_close();
	372
	373	return ret;
	374	}
	375
d455d878 SR	376	int fs_read(const char *filename, ulong addr, loff_t offset, loff_t len,
d455d878 SR	377	loff_t *actread)
045fa1e1	378	{
c6f548d2	379	struct fstype_info *info = fs_get_info(fs_type);
117e0507	380	void *buf;
045fa1e1 SW	381	int ret;
045fa1e1 SW	382
117e0507 SG	383	/*
	384	* We don't actually know how many bytes are being read, since len==0
	385	* means read the whole file.
	386	*/
	387	buf = map_sysmem(addr, len);
d455d878	388	ret = info->read(filename, buf, offset, len, actread);
117e0507	389	unmap_sysmem(buf);
045fa1e1	390
c6f548d2	391	/* If we requested a specific number of bytes, check we got it */
7a3e70cf MK	392	if (ret == 0 && len && *actread != len)
7a3e70cf MK	393	printf(" %s shorter than offset + len \n", filename);
045fa1e1 SW	394	fs_close();
	395
	396	return ret;
	397	}
	398
d455d878 SR	399	int fs_write(const char *filename, ulong addr, loff_t offset, loff_t len,
d455d878 SR	400	loff_t *actwrite)
a8f6ab52 SG	401	{
	402	struct fstype_info *info = fs_get_info(fs_type);
	403	void *buf;
	404	int ret;
	405
a8f6ab52	406	buf = map_sysmem(addr, len);
d455d878	407	ret = info->write(filename, buf, offset, len, actwrite);
a8f6ab52 SG	408	unmap_sysmem(buf);
a8f6ab52 SG	409
d455d878	410	if (ret < 0 && len != *actwrite) {
a8f6ab52 SG	411	printf(" Unable to write file %s \n", filename);
	412	ret = -1;
	413	}
	414	fs_close();
	415
	416	return ret;
	417	}
	418
4bbcc965 RC	419	struct fs_dir_stream fs_opendir(const char filename)
	420	{
	421	struct fstype_info *info = fs_get_info(fs_type);
	422	struct fs_dir_stream *dirs = NULL;
	423	int ret;
	424
	425	ret = info->opendir(filename, &dirs);
	426	fs_close();
	427	if (ret) {
	428	errno = -ret;
	429	return NULL;
	430	}
	431
	432	dirs->desc = fs_dev_desc;
	433	dirs->part = fs_dev_part;
	434
	435	return dirs;
	436	}
	437
	438	struct fs_dirent fs_readdir(struct fs_dir_stream dirs)
	439	{
	440	struct fstype_info *info;
	441	struct fs_dirent *dirent;
	442	int ret;
	443
	444	fs_set_blk_dev_with_part(dirs->desc, dirs->part);
	445	info = fs_get_info(fs_type);
	446
	447	ret = info->readdir(dirs, &dirent);
	448	fs_close();
	449	if (ret) {
	450	errno = -ret;
	451	return NULL;
	452	}
	453
	454	return dirent;
	455	}
	456
	457	void fs_closedir(struct fs_dir_stream *dirs)
	458	{
	459	struct fstype_info *info;
	460
	461	if (!dirs)
	462	return;
	463
	464	fs_set_blk_dev_with_part(dirs->desc, dirs->part);
	465	info = fs_get_info(fs_type);
	466
	467	info->closedir(dirs);
	468	fs_close();
	469	}
	470
	471
cf659819 SW	472	int do_size(cmd_tbl_t cmdtp, int flag, int argc, char const argv[],
	473	int fstype)
	474	{
d455d878	475	loff_t size;
cf659819 SW	476
	477	if (argc != 4)
	478	return CMD_RET_USAGE;
	479
	480	if (fs_set_blk_dev(argv[1], argv[2], fstype))
	481	return 1;
	482
d455d878	483	if (fs_size(argv[3], &size) < 0)
cf659819 SW	484	return CMD_RET_FAILURE;
cf659819 SW	485
018f5303	486	env_set_hex("filesize", size);
cf659819 SW	487
	488	return 0;
	489	}
	490
f9b55e22	491	int do_load(cmd_tbl_t cmdtp, int flag, int argc, char const argv[],
b770e88a	492	int fstype)
045fa1e1 SW	493	{
	494	unsigned long addr;
	495	const char *addr_str;
	496	const char *filename;
d455d878 SR	497	loff_t bytes;
	498	loff_t pos;
	499	loff_t len_read;
	500	int ret;
da1fd96c	501	unsigned long time;
949bbd7c	502	char *ep;
045fa1e1	503
e9b0f99e SW	504	if (argc < 2)
	505	return CMD_RET_USAGE;
	506	if (argc > 7)
045fa1e1 SW	507	return CMD_RET_USAGE;
045fa1e1 SW	508
e9b0f99e	509	if (fs_set_blk_dev(argv[1], (argc >= 3) ? argv[2] : NULL, fstype))
045fa1e1 SW	510	return 1;
	511
	512	if (argc >= 4) {
949bbd7c PM	513	addr = simple_strtoul(argv[3], &ep, 16);
	514	if (ep == argv[3] \|\| *ep != '\0')
	515	return CMD_RET_USAGE;
045fa1e1	516	} else {
00caae6d	517	addr_str = env_get("loadaddr");
045fa1e1 SW	518	if (addr_str != NULL)
	519	addr = simple_strtoul(addr_str, NULL, 16);
	520	else
	521	addr = CONFIG_SYS_LOAD_ADDR;
	522	}
	523	if (argc >= 5) {
	524	filename = argv[4];
	525	} else {
00caae6d	526	filename = env_get("bootfile");
045fa1e1 SW	527	if (!filename) {
	528	puts(" No boot file defined \n");
	529	return 1;
	530	}
	531	}
	532	if (argc >= 6)
b770e88a	533	bytes = simple_strtoul(argv[5], NULL, 16);
045fa1e1 SW	534	else
	535	bytes = 0;
	536	if (argc >= 7)
b770e88a	537	pos = simple_strtoul(argv[6], NULL, 16);
045fa1e1 SW	538	else
	539	pos = 0;
	540
da1fd96c	541	time = get_timer(0);
d455d878	542	ret = fs_read(filename, addr, pos, bytes, &len_read);
da1fd96c	543	time = get_timer(time);
d455d878	544	if (ret < 0)
045fa1e1 SW	545	return 1;
045fa1e1 SW	546
d455d878	547	printf("%llu bytes read in %lu ms", len_read, time);
da1fd96c AB	548	if (time > 0) {
da1fd96c AB	549	puts(" (");
9e374e7b	550	print_size(div_u64(len_read, time) * 1000, "/s");
da1fd96c AB	551	puts(")");
	552	}
	553	puts("\n");
045fa1e1	554
018f5303 SG	555	env_set_hex("fileaddr", addr);
018f5303 SG	556	env_set_hex("filesize", len_read);
045fa1e1 SW	557
	558	return 0;
	559	}
	560
	561	int do_ls(cmd_tbl_t cmdtp, int flag, int argc, char const argv[],
	562	int fstype)
	563	{
	564	if (argc < 2)
	565	return CMD_RET_USAGE;
e9b0f99e SW	566	if (argc > 4)
e9b0f99e SW	567	return CMD_RET_USAGE;
045fa1e1 SW	568
	569	if (fs_set_blk_dev(argv[1], (argc >= 3) ? argv[2] : NULL, fstype))
	570	return 1;
	571
e9b0f99e	572	if (fs_ls(argc >= 4 ? argv[3] : "/"))
045fa1e1 SW	573	return 1;
	574
	575	return 0;
	576	}
a8f6ab52	577
6152916a SW	578	int file_exists(const char dev_type, const char dev_part, const char *file,
	579	int fstype)
	580	{
	581	if (fs_set_blk_dev(dev_type, dev_part, fstype))
	582	return 0;
	583
	584	return fs_exists(file);
	585	}
	586
a8f6ab52	587	int do_save(cmd_tbl_t cmdtp, int flag, int argc, char const argv[],
b770e88a	588	int fstype)
a8f6ab52 SG	589	{
	590	unsigned long addr;
	591	const char *filename;
d455d878 SR	592	loff_t bytes;
	593	loff_t pos;
	594	loff_t len;
	595	int ret;
a8f6ab52 SG	596	unsigned long time;
	597
	598	if (argc < 6 \|\| argc > 7)
	599	return CMD_RET_USAGE;
	600
	601	if (fs_set_blk_dev(argv[1], argv[2], fstype))
	602	return 1;
	603
d455d878 SR	604	addr = simple_strtoul(argv[3], NULL, 16);
d455d878 SR	605	filename = argv[4];
b770e88a	606	bytes = simple_strtoul(argv[5], NULL, 16);
a8f6ab52	607	if (argc >= 7)
b770e88a	608	pos = simple_strtoul(argv[6], NULL, 16);
a8f6ab52 SG	609	else
	610	pos = 0;
	611
	612	time = get_timer(0);
d455d878	613	ret = fs_write(filename, addr, pos, bytes, &len);
a8f6ab52	614	time = get_timer(time);
d455d878	615	if (ret < 0)
a8f6ab52 SG	616	return 1;
a8f6ab52 SG	617
d455d878	618	printf("%llu bytes written in %lu ms", len, time);
a8f6ab52 SG	619	if (time > 0) {
a8f6ab52 SG	620	puts(" (");
9e374e7b	621	print_size(div_u64(len, time) * 1000, "/s");
a8f6ab52 SG	622	puts(")");
	623	}
	624	puts("\n");
	625
	626	return 0;
	627	}
59e890ef CG	628
	629	int do_fs_uuid(cmd_tbl_t cmdtp, int flag, int argc, char const argv[],
	630	int fstype)
	631	{
	632	int ret;
	633	char uuid[37];
	634	memset(uuid, 0, sizeof(uuid));
	635
	636	if (argc < 3 \|\| argc > 4)
	637	return CMD_RET_USAGE;
	638
	639	if (fs_set_blk_dev(argv[1], argv[2], fstype))
	640	return 1;
	641
	642	ret = fs_uuid(uuid);
	643	if (ret)
	644	return CMD_RET_FAILURE;
	645
	646	if (argc == 4)
382bee57	647	env_set(argv[3], uuid);
59e890ef CG	648	else
	649	printf("%s\n", uuid);
	650
	651	return CMD_RET_SUCCESS;
	652	}
1a1ad8e0 SS	653
	654	int do_fs_type(cmd_tbl_t cmdtp, int flag, int argc, char const argv[])
	655	{
	656	struct fstype_info *info;
	657
	658	if (argc < 3 \|\| argc > 4)
	659	return CMD_RET_USAGE;
	660
	661	if (fs_set_blk_dev(argv[1], argv[2], FS_TYPE_ANY))
	662	return 1;
	663
	664	info = fs_get_info(fs_type);
	665
	666	if (argc == 4)
382bee57	667	env_set(argv[3], info->name);
1a1ad8e0 SS	668	else
	669	printf("%s\n", info->name);
	670
	671	return CMD_RET_SUCCESS;
	672	}
	673