[J-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 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;
}

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;
}

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);
};

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 = file_fat_ls,
		.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,
	},
#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,
	},
#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,
	},
#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,
	},
#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,
	},
};

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;
			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;
}

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;

	setenv_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 = getenv("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 = getenv("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");

	setenv_hex("fileaddr", addr);
	setenv_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)
		setenv(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)
		setenv(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;
045fa1e1 SW	24	static disk_partition_t fs_partition;
	25	static int fs_type = FS_TYPE_ANY;
	26
4101f687	27	static inline int fs_probe_unsupported(struct blk_desc *fs_dev_desc,
2ded0d47	28	disk_partition_t *fs_partition)
436e2b73 SG	29	{
	30	printf(" Unrecognized filesystem type \n");
	31	return -1;
	32	}
	33
045fa1e1 SW	34	static inline int fs_ls_unsupported(const char *dirname)
045fa1e1 SW	35	{
045fa1e1 SW	36	return -1;
	37	}
	38
6152916a SW	39	static inline int fs_exists_unsupported(const char *filename)
	40	{
	41	return 0;
	42	}
	43
d455d878	44	static inline int fs_size_unsupported(const char filename, loff_t size)
cf659819 SW	45	{
	46	return -1;
	47	}
	48
117e0507	49	static inline int fs_read_unsupported(const char filename, void buf,
d455d878 SR	50	loff_t offset, loff_t len,
d455d878 SR	51	loff_t *actread)
045fa1e1	52	{
045fa1e1 SW	53	return -1;
	54	}
	55
a8f6ab52	56	static inline int fs_write_unsupported(const char filename, void buf,
d455d878 SR	57	loff_t offset, loff_t len,
d455d878 SR	58	loff_t *actwrite)
a8f6ab52 SG	59	{
	60	return -1;
	61	}
	62
436e2b73 SG	63	static inline void fs_close_unsupported(void)
	64	{
	65	}
	66
59e890ef CG	67	static inline int fs_uuid_unsupported(char *uuid_str)
	68	{
	69	return -1;
	70	}
	71
436e2b73	72	struct fstype_info {
045fa1e1	73	int fstype;
1a1ad8e0	74	char *name;
377202b5 SW	75	/*
	76	* Is it legal to pass NULL as .probe()'s fs_dev_desc parameter? This
	77	* should be false in most cases. For "virtual" filesystems which
	78	* aren't based on a U-Boot block device (e.g. sandbox), this can be
	79	* set to true. This should also be true for the dumm entry at the end
	80	* of fstypes[], since that is essentially a "virtual" (non-existent)
	81	* filesystem.
	82	*/
	83	bool null_dev_desc_ok;
4101f687	84	int (probe)(struct blk_desc fs_dev_desc,
2ded0d47	85	disk_partition_t *fs_partition);
436e2b73	86	int (ls)(const char dirname);
6152916a	87	int (exists)(const char filename);
d455d878 SR	88	int (size)(const char filename, loff_t *size);
	89	int (read)(const char filename, void *buf, loff_t offset,
	90	loff_t len, loff_t *actread);
	91	int (write)(const char filename, void *buf, loff_t offset,
	92	loff_t len, loff_t *actwrite);
436e2b73	93	void (*close)(void);
59e890ef	94	int (uuid)(char uuid_str);
436e2b73 SG	95	};
	96
	97	static struct fstype_info fstypes[] = {
	98	#ifdef CONFIG_FS_FAT
045fa1e1 SW	99	{
045fa1e1 SW	100	.fstype = FS_TYPE_FAT,
1a1ad8e0	101	.name = "fat",
377202b5	102	.null_dev_desc_ok = false,
e6d52415 SG	103	.probe = fat_set_blk_dev,
e6d52415 SG	104	.close = fat_close,
436e2b73	105	.ls = file_fat_ls,
b7b5f319	106	.exists = fat_exists,
cf659819	107	.size = fat_size,
e6d52415	108	.read = fat_read_file,
d455d878 SR	109	#ifdef CONFIG_FAT_WRITE
	110	.write = file_fat_write,
	111	#else
bd6fb31f	112	.write = fs_write_unsupported,
d455d878	113	#endif
59e890ef	114	.uuid = fs_uuid_unsupported,
045fa1e1	115	},
436e2b73 SG	116	#endif
436e2b73 SG	117	#ifdef CONFIG_FS_EXT4
045fa1e1 SW	118	{
045fa1e1 SW	119	.fstype = FS_TYPE_EXT,
1a1ad8e0	120	.name = "ext4",
377202b5	121	.null_dev_desc_ok = false,
e6d52415 SG	122	.probe = ext4fs_probe,
e6d52415 SG	123	.close = ext4fs_close,
436e2b73	124	.ls = ext4fs_ls,
55af5c93	125	.exists = ext4fs_exists,
cf659819	126	.size = ext4fs_size,
e6d52415	127	.read = ext4_read_file,
d455d878 SR	128	#ifdef CONFIG_CMD_EXT4_WRITE
	129	.write = ext4_write_file,
	130	#else
bd6fb31f	131	.write = fs_write_unsupported,
d455d878	132	#endif
59e890ef	133	.uuid = ext4fs_uuid,
436e2b73	134	},
92ccc96b SG	135	#endif
	136	#ifdef CONFIG_SANDBOX
	137	{
	138	.fstype = FS_TYPE_SANDBOX,
1a1ad8e0	139	.name = "sandbox",
377202b5	140	.null_dev_desc_ok = true,
92ccc96b SG	141	.probe = sandbox_fs_set_blk_dev,
	142	.close = sandbox_fs_close,
	143	.ls = sandbox_fs_ls,
0a30aa1e	144	.exists = sandbox_fs_exists,
cf659819	145	.size = sandbox_fs_size,
92ccc96b	146	.read = fs_read_sandbox,
7eb2c8d5	147	.write = fs_write_sandbox,
59e890ef	148	.uuid = fs_uuid_unsupported,
92ccc96b	149	},
251cee0d HG	150	#endif
	151	#ifdef CONFIG_CMD_UBIFS
	152	{
	153	.fstype = FS_TYPE_UBIFS,
	154	.name = "ubifs",
	155	.null_dev_desc_ok = true,
	156	.probe = ubifs_set_blk_dev,
	157	.close = ubifs_close,
	158	.ls = ubifs_ls,
	159	.exists = ubifs_exists,
	160	.size = ubifs_size,
	161	.read = ubifs_read,
	162	.write = fs_write_unsupported,
	163	.uuid = fs_uuid_unsupported,
	164	},
436e2b73 SG	165	#endif
	166	{
	167	.fstype = FS_TYPE_ANY,
1a1ad8e0	168	.name = "unsupported",
377202b5	169	.null_dev_desc_ok = true,
436e2b73 SG	170	.probe = fs_probe_unsupported,
	171	.close = fs_close_unsupported,
	172	.ls = fs_ls_unsupported,
6152916a	173	.exists = fs_exists_unsupported,
cf659819	174	.size = fs_size_unsupported,
436e2b73	175	.read = fs_read_unsupported,
a8f6ab52	176	.write = fs_write_unsupported,
59e890ef	177	.uuid = fs_uuid_unsupported,
045fa1e1 SW	178	},
	179	};
	180
c6f548d2 SG	181	static struct fstype_info *fs_get_info(int fstype)
	182	{
	183	struct fstype_info *info;
	184	int i;
	185
	186	for (i = 0, info = fstypes; i < ARRAY_SIZE(fstypes) - 1; i++, info++) {
	187	if (fstype == info->fstype)
	188	return info;
	189	}
	190
	191	/* Return the 'unsupported' sentinel */
	192	return info;
	193	}
	194
045fa1e1 SW	195	int fs_set_blk_dev(const char ifname, const char dev_part_str, int fstype)
045fa1e1 SW	196	{
436e2b73	197	struct fstype_info *info;
045fa1e1	198	int part, i;
a1b231ce SW	199	#ifdef CONFIG_NEEDS_MANUAL_RELOC
	200	static int relocated;
	201
	202	if (!relocated) {
436e2b73 SG	203	for (i = 0, info = fstypes; i < ARRAY_SIZE(fstypes);
436e2b73 SG	204	i++, info++) {
1a1ad8e0	205	info->name += gd->reloc_off;
436e2b73 SG	206	info->probe += gd->reloc_off;
	207	info->close += gd->reloc_off;
	208	info->ls += gd->reloc_off;
	209	info->read += gd->reloc_off;
a8f6ab52	210	info->write += gd->reloc_off;
436e2b73	211	}
a1b231ce SW	212	relocated = 1;
	213	}
	214	#endif
045fa1e1	215
e35929e4	216	part = blk_get_device_part_str(ifname, dev_part_str, &fs_dev_desc,
045fa1e1 SW	217	&fs_partition, 1);
	218	if (part < 0)
	219	return -1;
	220
436e2b73 SG	221	for (i = 0, info = fstypes; i < ARRAY_SIZE(fstypes); i++, info++) {
	222	if (fstype != FS_TYPE_ANY && info->fstype != FS_TYPE_ANY &&
	223	fstype != info->fstype)
045fa1e1 SW	224	continue;
045fa1e1 SW	225
377202b5 SW	226	if (!fs_dev_desc && !info->null_dev_desc_ok)
	227	continue;
	228
2ded0d47	229	if (!info->probe(fs_dev_desc, &fs_partition)) {
436e2b73	230	fs_type = info->fstype;
045fa1e1 SW	231	return 0;
	232	}
	233	}
	234
045fa1e1 SW	235	return -1;
	236	}
	237
	238	static void fs_close(void)
	239	{
c6f548d2	240	struct fstype_info *info = fs_get_info(fs_type);
045fa1e1	241
c6f548d2	242	info->close();
e6d52415	243
045fa1e1 SW	244	fs_type = FS_TYPE_ANY;
	245	}
	246
59e890ef CG	247	int fs_uuid(char *uuid_str)
	248	{
	249	struct fstype_info *info = fs_get_info(fs_type);
	250
	251	return info->uuid(uuid_str);
	252	}
	253
045fa1e1 SW	254	int fs_ls(const char *dirname)
	255	{
	256	int ret;
	257
c6f548d2 SG	258	struct fstype_info *info = fs_get_info(fs_type);
	259
	260	ret = info->ls(dirname);
045fa1e1	261
e6d52415	262	fs_type = FS_TYPE_ANY;
045fa1e1 SW	263	fs_close();
	264
	265	return ret;
	266	}
	267
6152916a SW	268	int fs_exists(const char *filename)
	269	{
	270	int ret;
	271
	272	struct fstype_info *info = fs_get_info(fs_type);
	273
	274	ret = info->exists(filename);
	275
	276	fs_close();
	277
	278	return ret;
	279	}
	280
d455d878	281	int fs_size(const char filename, loff_t size)
cf659819 SW	282	{
	283	int ret;
	284
	285	struct fstype_info *info = fs_get_info(fs_type);
	286
d455d878	287	ret = info->size(filename, size);
cf659819 SW	288
	289	fs_close();
	290
	291	return ret;
	292	}
	293
d455d878 SR	294	int fs_read(const char *filename, ulong addr, loff_t offset, loff_t len,
d455d878 SR	295	loff_t *actread)
045fa1e1	296	{
c6f548d2	297	struct fstype_info *info = fs_get_info(fs_type);
117e0507	298	void *buf;
045fa1e1 SW	299	int ret;
045fa1e1 SW	300
117e0507 SG	301	/*
	302	* We don't actually know how many bytes are being read, since len==0
	303	* means read the whole file.
	304	*/
	305	buf = map_sysmem(addr, len);
d455d878	306	ret = info->read(filename, buf, offset, len, actread);
117e0507	307	unmap_sysmem(buf);
045fa1e1	308
c6f548d2	309	/* If we requested a specific number of bytes, check we got it */
7a3e70cf MK	310	if (ret == 0 && len && *actread != len)
7a3e70cf MK	311	printf(" %s shorter than offset + len \n", filename);
045fa1e1 SW	312	fs_close();
	313
	314	return ret;
	315	}
	316
d455d878 SR	317	int fs_write(const char *filename, ulong addr, loff_t offset, loff_t len,
d455d878 SR	318	loff_t *actwrite)
a8f6ab52 SG	319	{
	320	struct fstype_info *info = fs_get_info(fs_type);
	321	void *buf;
	322	int ret;
	323
a8f6ab52	324	buf = map_sysmem(addr, len);
d455d878	325	ret = info->write(filename, buf, offset, len, actwrite);
a8f6ab52 SG	326	unmap_sysmem(buf);
a8f6ab52 SG	327
d455d878	328	if (ret < 0 && len != *actwrite) {
a8f6ab52 SG	329	printf(" Unable to write file %s \n", filename);
	330	ret = -1;
	331	}
	332	fs_close();
	333
	334	return ret;
	335	}
	336
cf659819 SW	337	int do_size(cmd_tbl_t cmdtp, int flag, int argc, char const argv[],
	338	int fstype)
	339	{
d455d878	340	loff_t size;
cf659819 SW	341
	342	if (argc != 4)
	343	return CMD_RET_USAGE;
	344
	345	if (fs_set_blk_dev(argv[1], argv[2], fstype))
	346	return 1;
	347
d455d878	348	if (fs_size(argv[3], &size) < 0)
cf659819 SW	349	return CMD_RET_FAILURE;
	350
	351	setenv_hex("filesize", size);
	352
	353	return 0;
	354	}
	355
f9b55e22	356	int do_load(cmd_tbl_t cmdtp, int flag, int argc, char const argv[],
b770e88a	357	int fstype)
045fa1e1 SW	358	{
	359	unsigned long addr;
	360	const char *addr_str;
	361	const char *filename;
d455d878 SR	362	loff_t bytes;
	363	loff_t pos;
	364	loff_t len_read;
	365	int ret;
da1fd96c	366	unsigned long time;
949bbd7c	367	char *ep;
045fa1e1	368
e9b0f99e SW	369	if (argc < 2)
	370	return CMD_RET_USAGE;
	371	if (argc > 7)
045fa1e1 SW	372	return CMD_RET_USAGE;
045fa1e1 SW	373
e9b0f99e	374	if (fs_set_blk_dev(argv[1], (argc >= 3) ? argv[2] : NULL, fstype))
045fa1e1 SW	375	return 1;
	376
	377	if (argc >= 4) {
949bbd7c PM	378	addr = simple_strtoul(argv[3], &ep, 16);
	379	if (ep == argv[3] \|\| *ep != '\0')
	380	return CMD_RET_USAGE;
045fa1e1 SW	381	} else {
	382	addr_str = getenv("loadaddr");
	383	if (addr_str != NULL)
	384	addr = simple_strtoul(addr_str, NULL, 16);
	385	else
	386	addr = CONFIG_SYS_LOAD_ADDR;
	387	}
	388	if (argc >= 5) {
	389	filename = argv[4];
	390	} else {
	391	filename = getenv("bootfile");
	392	if (!filename) {
	393	puts(" No boot file defined \n");
	394	return 1;
	395	}
	396	}
	397	if (argc >= 6)
b770e88a	398	bytes = simple_strtoul(argv[5], NULL, 16);
045fa1e1 SW	399	else
	400	bytes = 0;
	401	if (argc >= 7)
b770e88a	402	pos = simple_strtoul(argv[6], NULL, 16);
045fa1e1 SW	403	else
	404	pos = 0;
	405
da1fd96c	406	time = get_timer(0);
d455d878	407	ret = fs_read(filename, addr, pos, bytes, &len_read);
da1fd96c	408	time = get_timer(time);
d455d878	409	if (ret < 0)
045fa1e1 SW	410	return 1;
045fa1e1 SW	411
d455d878	412	printf("%llu bytes read in %lu ms", len_read, time);
da1fd96c AB	413	if (time > 0) {
da1fd96c AB	414	puts(" (");
9e374e7b	415	print_size(div_u64(len_read, time) * 1000, "/s");
da1fd96c AB	416	puts(")");
	417	}
	418	puts("\n");
045fa1e1	419
e9cdf3b8	420	setenv_hex("fileaddr", addr);
49c4f037	421	setenv_hex("filesize", len_read);
045fa1e1 SW	422
	423	return 0;
	424	}
	425
	426	int do_ls(cmd_tbl_t cmdtp, int flag, int argc, char const argv[],
	427	int fstype)
	428	{
	429	if (argc < 2)
	430	return CMD_RET_USAGE;
e9b0f99e SW	431	if (argc > 4)
e9b0f99e SW	432	return CMD_RET_USAGE;
045fa1e1 SW	433
	434	if (fs_set_blk_dev(argv[1], (argc >= 3) ? argv[2] : NULL, fstype))
	435	return 1;
	436
e9b0f99e	437	if (fs_ls(argc >= 4 ? argv[3] : "/"))
045fa1e1 SW	438	return 1;
	439
	440	return 0;
	441	}
a8f6ab52	442
6152916a SW	443	int file_exists(const char dev_type, const char dev_part, const char *file,
	444	int fstype)
	445	{
	446	if (fs_set_blk_dev(dev_type, dev_part, fstype))
	447	return 0;
	448
	449	return fs_exists(file);
	450	}
	451
a8f6ab52	452	int do_save(cmd_tbl_t cmdtp, int flag, int argc, char const argv[],
b770e88a	453	int fstype)
a8f6ab52 SG	454	{
	455	unsigned long addr;
	456	const char *filename;
d455d878 SR	457	loff_t bytes;
	458	loff_t pos;
	459	loff_t len;
	460	int ret;
a8f6ab52 SG	461	unsigned long time;
	462
	463	if (argc < 6 \|\| argc > 7)
	464	return CMD_RET_USAGE;
	465
	466	if (fs_set_blk_dev(argv[1], argv[2], fstype))
	467	return 1;
	468
d455d878 SR	469	addr = simple_strtoul(argv[3], NULL, 16);
d455d878 SR	470	filename = argv[4];
b770e88a	471	bytes = simple_strtoul(argv[5], NULL, 16);
a8f6ab52	472	if (argc >= 7)
b770e88a	473	pos = simple_strtoul(argv[6], NULL, 16);
a8f6ab52 SG	474	else
	475	pos = 0;
	476
	477	time = get_timer(0);
d455d878	478	ret = fs_write(filename, addr, pos, bytes, &len);
a8f6ab52	479	time = get_timer(time);
d455d878	480	if (ret < 0)
a8f6ab52 SG	481	return 1;
a8f6ab52 SG	482
d455d878	483	printf("%llu bytes written in %lu ms", len, time);
a8f6ab52 SG	484	if (time > 0) {
a8f6ab52 SG	485	puts(" (");
9e374e7b	486	print_size(div_u64(len, time) * 1000, "/s");
a8f6ab52 SG	487	puts(")");
	488	}
	489	puts("\n");
	490
	491	return 0;
	492	}
59e890ef CG	493
	494	int do_fs_uuid(cmd_tbl_t cmdtp, int flag, int argc, char const argv[],
	495	int fstype)
	496	{
	497	int ret;
	498	char uuid[37];
	499	memset(uuid, 0, sizeof(uuid));
	500
	501	if (argc < 3 \|\| argc > 4)
	502	return CMD_RET_USAGE;
	503
	504	if (fs_set_blk_dev(argv[1], argv[2], fstype))
	505	return 1;
	506
	507	ret = fs_uuid(uuid);
	508	if (ret)
	509	return CMD_RET_FAILURE;
	510
	511	if (argc == 4)
	512	setenv(argv[3], uuid);
	513	else
	514	printf("%s\n", uuid);
	515
	516	return CMD_RET_SUCCESS;
	517	}
1a1ad8e0 SS	518
	519	int do_fs_type(cmd_tbl_t cmdtp, int flag, int argc, char const argv[])
	520	{
	521	struct fstype_info *info;
	522
	523	if (argc < 3 \|\| argc > 4)
	524	return CMD_RET_USAGE;
	525
	526	if (fs_set_blk_dev(argv[1], argv[2], FS_TYPE_ANY))
	527	return 1;
	528
	529	info = fs_get_info(fs_type);
	530
	531	if (argc == 4)
	532	setenv(argv[3], info->name);
	533	else
	534	printf("%s\n", info->name);
	535
	536	return CMD_RET_SUCCESS;
	537	}
	538