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

/*
 * Copyright (c) 2012, NVIDIA CORPORATION.  All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms and conditions of the GNU General Public License,
 * version 2, as published by the Free Software Foundation.
 *
 * This program is distributed in the hope it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#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 block_dev_desc_t *fs_dev_desc;
static disk_partition_t fs_partition;
static int fs_type = FS_TYPE_ANY;

static inline int fs_probe_unsupported(block_dev_desc_t *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)(block_dev_desc_t *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 = get_device_and_partition(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("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	*
	4	* This program is free software; you can redistribute it and/or modify it
	5	* under the terms and conditions of the GNU General Public License,
	6	* version 2, as published by the Free Software Foundation.
	7	*
	8	* This program is distributed in the hope it will be useful, but WITHOUT
	9	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
	10	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
	11	* more details.
	12	*
	13	* You should have received a copy of the GNU General Public License
	14	* along with this program. If not, see <http://www.gnu.org/licenses/>.
	15	*/
	16
	17	#include <config.h>
59e890ef	18	#include <errno.h>
045fa1e1	19	#include <common.h>
0eb25b61	20	#include <mapmem.h>
045fa1e1 SW	21	#include <part.h>
	22	#include <ext4fs.h>
	23	#include <fat.h>
	24	#include <fs.h>
92ccc96b	25	#include <sandboxfs.h>
251cee0d	26	#include <ubifs_uboot.h>
117e0507	27	#include <asm/io.h>
9e374e7b TR	28	#include <div64.h>
9e374e7b TR	29	#include <linux/math64.h>
045fa1e1	30
a1b231ce SW	31	DECLARE_GLOBAL_DATA_PTR;
a1b231ce SW	32
045fa1e1 SW	33	static block_dev_desc_t *fs_dev_desc;
	34	static disk_partition_t fs_partition;
	35	static int fs_type = FS_TYPE_ANY;
	36
2ded0d47 SG	37	static inline int fs_probe_unsupported(block_dev_desc_t *fs_dev_desc,
2ded0d47 SG	38	disk_partition_t *fs_partition)
436e2b73 SG	39	{
	40	printf(" Unrecognized filesystem type \n");
	41	return -1;
	42	}
	43
045fa1e1 SW	44	static inline int fs_ls_unsupported(const char *dirname)
045fa1e1 SW	45	{
045fa1e1 SW	46	return -1;
	47	}
	48
6152916a SW	49	static inline int fs_exists_unsupported(const char *filename)
	50	{
	51	return 0;
	52	}
	53
d455d878	54	static inline int fs_size_unsupported(const char filename, loff_t size)
cf659819 SW	55	{
	56	return -1;
	57	}
	58
117e0507	59	static inline int fs_read_unsupported(const char filename, void buf,
d455d878 SR	60	loff_t offset, loff_t len,
d455d878 SR	61	loff_t *actread)
045fa1e1	62	{
045fa1e1 SW	63	return -1;
	64	}
	65
a8f6ab52	66	static inline int fs_write_unsupported(const char filename, void buf,
d455d878 SR	67	loff_t offset, loff_t len,
d455d878 SR	68	loff_t *actwrite)
a8f6ab52 SG	69	{
	70	return -1;
	71	}
	72
436e2b73 SG	73	static inline void fs_close_unsupported(void)
	74	{
	75	}
	76
59e890ef CG	77	static inline int fs_uuid_unsupported(char *uuid_str)
	78	{
	79	return -1;
	80	}
	81
436e2b73	82	struct fstype_info {
045fa1e1	83	int fstype;
1a1ad8e0	84	char *name;
377202b5 SW	85	/*
	86	* Is it legal to pass NULL as .probe()'s fs_dev_desc parameter? This
	87	* should be false in most cases. For "virtual" filesystems which
	88	* aren't based on a U-Boot block device (e.g. sandbox), this can be
	89	* set to true. This should also be true for the dumm entry at the end
	90	* of fstypes[], since that is essentially a "virtual" (non-existent)
	91	* filesystem.
	92	*/
	93	bool null_dev_desc_ok;
2ded0d47 SG	94	int (probe)(block_dev_desc_t fs_dev_desc,
2ded0d47 SG	95	disk_partition_t *fs_partition);
436e2b73	96	int (ls)(const char dirname);
6152916a	97	int (exists)(const char filename);
d455d878 SR	98	int (size)(const char filename, loff_t *size);
	99	int (read)(const char filename, void *buf, loff_t offset,
	100	loff_t len, loff_t *actread);
	101	int (write)(const char filename, void *buf, loff_t offset,
	102	loff_t len, loff_t *actwrite);
436e2b73	103	void (*close)(void);
59e890ef	104	int (uuid)(char uuid_str);
436e2b73 SG	105	};
	106
	107	static struct fstype_info fstypes[] = {
	108	#ifdef CONFIG_FS_FAT
045fa1e1 SW	109	{
045fa1e1 SW	110	.fstype = FS_TYPE_FAT,
1a1ad8e0	111	.name = "fat",
377202b5	112	.null_dev_desc_ok = false,
e6d52415 SG	113	.probe = fat_set_blk_dev,
e6d52415 SG	114	.close = fat_close,
436e2b73	115	.ls = file_fat_ls,
b7b5f319	116	.exists = fat_exists,
cf659819	117	.size = fat_size,
e6d52415	118	.read = fat_read_file,
d455d878 SR	119	#ifdef CONFIG_FAT_WRITE
	120	.write = file_fat_write,
	121	#else
bd6fb31f	122	.write = fs_write_unsupported,
d455d878	123	#endif
59e890ef	124	.uuid = fs_uuid_unsupported,
045fa1e1	125	},
436e2b73 SG	126	#endif
436e2b73 SG	127	#ifdef CONFIG_FS_EXT4
045fa1e1 SW	128	{
045fa1e1 SW	129	.fstype = FS_TYPE_EXT,
1a1ad8e0	130	.name = "ext4",
377202b5	131	.null_dev_desc_ok = false,
e6d52415 SG	132	.probe = ext4fs_probe,
e6d52415 SG	133	.close = ext4fs_close,
436e2b73	134	.ls = ext4fs_ls,
55af5c93	135	.exists = ext4fs_exists,
cf659819	136	.size = ext4fs_size,
e6d52415	137	.read = ext4_read_file,
d455d878 SR	138	#ifdef CONFIG_CMD_EXT4_WRITE
	139	.write = ext4_write_file,
	140	#else
bd6fb31f	141	.write = fs_write_unsupported,
d455d878	142	#endif
59e890ef	143	.uuid = ext4fs_uuid,
436e2b73	144	},
92ccc96b SG	145	#endif
	146	#ifdef CONFIG_SANDBOX
	147	{
	148	.fstype = FS_TYPE_SANDBOX,
1a1ad8e0	149	.name = "sandbox",
377202b5	150	.null_dev_desc_ok = true,
92ccc96b SG	151	.probe = sandbox_fs_set_blk_dev,
	152	.close = sandbox_fs_close,
	153	.ls = sandbox_fs_ls,
0a30aa1e	154	.exists = sandbox_fs_exists,
cf659819	155	.size = sandbox_fs_size,
92ccc96b	156	.read = fs_read_sandbox,
7eb2c8d5	157	.write = fs_write_sandbox,
59e890ef	158	.uuid = fs_uuid_unsupported,
92ccc96b	159	},
251cee0d HG	160	#endif
	161	#ifdef CONFIG_CMD_UBIFS
	162	{
	163	.fstype = FS_TYPE_UBIFS,
	164	.name = "ubifs",
	165	.null_dev_desc_ok = true,
	166	.probe = ubifs_set_blk_dev,
	167	.close = ubifs_close,
	168	.ls = ubifs_ls,
	169	.exists = ubifs_exists,
	170	.size = ubifs_size,
	171	.read = ubifs_read,
	172	.write = fs_write_unsupported,
	173	.uuid = fs_uuid_unsupported,
	174	},
436e2b73 SG	175	#endif
	176	{
	177	.fstype = FS_TYPE_ANY,
1a1ad8e0	178	.name = "unsupported",
377202b5	179	.null_dev_desc_ok = true,
436e2b73 SG	180	.probe = fs_probe_unsupported,
	181	.close = fs_close_unsupported,
	182	.ls = fs_ls_unsupported,
6152916a	183	.exists = fs_exists_unsupported,
cf659819	184	.size = fs_size_unsupported,
436e2b73	185	.read = fs_read_unsupported,
a8f6ab52	186	.write = fs_write_unsupported,
59e890ef	187	.uuid = fs_uuid_unsupported,
045fa1e1 SW	188	},
	189	};
	190
c6f548d2 SG	191	static struct fstype_info *fs_get_info(int fstype)
	192	{
	193	struct fstype_info *info;
	194	int i;
	195
	196	for (i = 0, info = fstypes; i < ARRAY_SIZE(fstypes) - 1; i++, info++) {
	197	if (fstype == info->fstype)
	198	return info;
	199	}
	200
	201	/* Return the 'unsupported' sentinel */
	202	return info;
	203	}
	204
045fa1e1 SW	205	int fs_set_blk_dev(const char ifname, const char dev_part_str, int fstype)
045fa1e1 SW	206	{
436e2b73	207	struct fstype_info *info;
045fa1e1	208	int part, i;
a1b231ce SW	209	#ifdef CONFIG_NEEDS_MANUAL_RELOC
	210	static int relocated;
	211
	212	if (!relocated) {
436e2b73 SG	213	for (i = 0, info = fstypes; i < ARRAY_SIZE(fstypes);
436e2b73 SG	214	i++, info++) {
1a1ad8e0	215	info->name += gd->reloc_off;
436e2b73 SG	216	info->probe += gd->reloc_off;
	217	info->close += gd->reloc_off;
	218	info->ls += gd->reloc_off;
	219	info->read += gd->reloc_off;
a8f6ab52	220	info->write += gd->reloc_off;
436e2b73	221	}
a1b231ce SW	222	relocated = 1;
	223	}
	224	#endif
045fa1e1 SW	225
	226	part = get_device_and_partition(ifname, dev_part_str, &fs_dev_desc,
	227	&fs_partition, 1);
	228	if (part < 0)
	229	return -1;
	230
436e2b73 SG	231	for (i = 0, info = fstypes; i < ARRAY_SIZE(fstypes); i++, info++) {
	232	if (fstype != FS_TYPE_ANY && info->fstype != FS_TYPE_ANY &&
	233	fstype != info->fstype)
045fa1e1 SW	234	continue;
045fa1e1 SW	235
377202b5 SW	236	if (!fs_dev_desc && !info->null_dev_desc_ok)
	237	continue;
	238
2ded0d47	239	if (!info->probe(fs_dev_desc, &fs_partition)) {
436e2b73	240	fs_type = info->fstype;
045fa1e1 SW	241	return 0;
	242	}
	243	}
	244
045fa1e1 SW	245	return -1;
	246	}
	247
	248	static void fs_close(void)
	249	{
c6f548d2	250	struct fstype_info *info = fs_get_info(fs_type);
045fa1e1	251
c6f548d2	252	info->close();
e6d52415	253
045fa1e1 SW	254	fs_type = FS_TYPE_ANY;
	255	}
	256
59e890ef CG	257	int fs_uuid(char *uuid_str)
	258	{
	259	struct fstype_info *info = fs_get_info(fs_type);
	260
	261	return info->uuid(uuid_str);
	262	}
	263
045fa1e1 SW	264	int fs_ls(const char *dirname)
	265	{
	266	int ret;
	267
c6f548d2 SG	268	struct fstype_info *info = fs_get_info(fs_type);
	269
	270	ret = info->ls(dirname);
045fa1e1	271
e6d52415	272	fs_type = FS_TYPE_ANY;
045fa1e1 SW	273	fs_close();
	274
	275	return ret;
	276	}
	277
6152916a SW	278	int fs_exists(const char *filename)
	279	{
	280	int ret;
	281
	282	struct fstype_info *info = fs_get_info(fs_type);
	283
	284	ret = info->exists(filename);
	285
	286	fs_close();
	287
	288	return ret;
	289	}
	290
d455d878	291	int fs_size(const char filename, loff_t size)
cf659819 SW	292	{
	293	int ret;
	294
	295	struct fstype_info *info = fs_get_info(fs_type);
	296
d455d878	297	ret = info->size(filename, size);
cf659819 SW	298
	299	fs_close();
	300
	301	return ret;
	302	}
	303
d455d878 SR	304	int fs_read(const char *filename, ulong addr, loff_t offset, loff_t len,
d455d878 SR	305	loff_t *actread)
045fa1e1	306	{
c6f548d2	307	struct fstype_info *info = fs_get_info(fs_type);
117e0507	308	void *buf;
045fa1e1 SW	309	int ret;
045fa1e1 SW	310
117e0507 SG	311	/*
	312	* We don't actually know how many bytes are being read, since len==0
	313	* means read the whole file.
	314	*/
	315	buf = map_sysmem(addr, len);
d455d878	316	ret = info->read(filename, buf, offset, len, actread);
117e0507	317	unmap_sysmem(buf);
045fa1e1	318
c6f548d2	319	/* If we requested a specific number of bytes, check we got it */
7a3e70cf MK	320	if (ret == 0 && len && *actread != len)
7a3e70cf MK	321	printf(" %s shorter than offset + len \n", filename);
045fa1e1 SW	322	fs_close();
	323
	324	return ret;
	325	}
	326
d455d878 SR	327	int fs_write(const char *filename, ulong addr, loff_t offset, loff_t len,
d455d878 SR	328	loff_t *actwrite)
a8f6ab52 SG	329	{
	330	struct fstype_info *info = fs_get_info(fs_type);
	331	void *buf;
	332	int ret;
	333
a8f6ab52	334	buf = map_sysmem(addr, len);
d455d878	335	ret = info->write(filename, buf, offset, len, actwrite);
a8f6ab52 SG	336	unmap_sysmem(buf);
a8f6ab52 SG	337
d455d878	338	if (ret < 0 && len != *actwrite) {
a8f6ab52 SG	339	printf(" Unable to write file %s \n", filename);
	340	ret = -1;
	341	}
	342	fs_close();
	343
	344	return ret;
	345	}
	346
cf659819 SW	347	int do_size(cmd_tbl_t cmdtp, int flag, int argc, char const argv[],
	348	int fstype)
	349	{
d455d878	350	loff_t size;
cf659819 SW	351
	352	if (argc != 4)
	353	return CMD_RET_USAGE;
	354
	355	if (fs_set_blk_dev(argv[1], argv[2], fstype))
	356	return 1;
	357
d455d878	358	if (fs_size(argv[3], &size) < 0)
cf659819 SW	359	return CMD_RET_FAILURE;
	360
	361	setenv_hex("filesize", size);
	362
	363	return 0;
	364	}
	365
f9b55e22	366	int do_load(cmd_tbl_t cmdtp, int flag, int argc, char const argv[],
b770e88a	367	int fstype)
045fa1e1 SW	368	{
	369	unsigned long addr;
	370	const char *addr_str;
	371	const char *filename;
d455d878 SR	372	loff_t bytes;
	373	loff_t pos;
	374	loff_t len_read;
	375	int ret;
da1fd96c	376	unsigned long time;
949bbd7c	377	char *ep;
045fa1e1	378
e9b0f99e SW	379	if (argc < 2)
	380	return CMD_RET_USAGE;
	381	if (argc > 7)
045fa1e1 SW	382	return CMD_RET_USAGE;
045fa1e1 SW	383
e9b0f99e	384	if (fs_set_blk_dev(argv[1], (argc >= 3) ? argv[2] : NULL, fstype))
045fa1e1 SW	385	return 1;
	386
	387	if (argc >= 4) {
949bbd7c PM	388	addr = simple_strtoul(argv[3], &ep, 16);
	389	if (ep == argv[3] \|\| *ep != '\0')
	390	return CMD_RET_USAGE;
045fa1e1 SW	391	} else {
	392	addr_str = getenv("loadaddr");
	393	if (addr_str != NULL)
	394	addr = simple_strtoul(addr_str, NULL, 16);
	395	else
	396	addr = CONFIG_SYS_LOAD_ADDR;
	397	}
	398	if (argc >= 5) {
	399	filename = argv[4];
	400	} else {
	401	filename = getenv("bootfile");
	402	if (!filename) {
	403	puts(" No boot file defined \n");
	404	return 1;
	405	}
	406	}
	407	if (argc >= 6)
b770e88a	408	bytes = simple_strtoul(argv[5], NULL, 16);
045fa1e1 SW	409	else
	410	bytes = 0;
	411	if (argc >= 7)
b770e88a	412	pos = simple_strtoul(argv[6], NULL, 16);
045fa1e1 SW	413	else
	414	pos = 0;
	415
da1fd96c	416	time = get_timer(0);
d455d878	417	ret = fs_read(filename, addr, pos, bytes, &len_read);
da1fd96c	418	time = get_timer(time);
d455d878	419	if (ret < 0)
045fa1e1 SW	420	return 1;
045fa1e1 SW	421
d455d878	422	printf("%llu bytes read in %lu ms", len_read, time);
da1fd96c AB	423	if (time > 0) {
da1fd96c AB	424	puts(" (");
9e374e7b	425	print_size(div_u64(len_read, time) * 1000, "/s");
da1fd96c AB	426	puts(")");
	427	}
	428	puts("\n");
045fa1e1	429
49c4f037	430	setenv_hex("filesize", len_read);
045fa1e1 SW	431
	432	return 0;
	433	}
	434
	435	int do_ls(cmd_tbl_t cmdtp, int flag, int argc, char const argv[],
	436	int fstype)
	437	{
	438	if (argc < 2)
	439	return CMD_RET_USAGE;
e9b0f99e SW	440	if (argc > 4)
e9b0f99e SW	441	return CMD_RET_USAGE;
045fa1e1 SW	442
	443	if (fs_set_blk_dev(argv[1], (argc >= 3) ? argv[2] : NULL, fstype))
	444	return 1;
	445
e9b0f99e	446	if (fs_ls(argc >= 4 ? argv[3] : "/"))
045fa1e1 SW	447	return 1;
	448
	449	return 0;
	450	}
a8f6ab52	451
6152916a SW	452	int file_exists(const char dev_type, const char dev_part, const char *file,
	453	int fstype)
	454	{
	455	if (fs_set_blk_dev(dev_type, dev_part, fstype))
	456	return 0;
	457
	458	return fs_exists(file);
	459	}
	460
a8f6ab52	461	int do_save(cmd_tbl_t cmdtp, int flag, int argc, char const argv[],
b770e88a	462	int fstype)
a8f6ab52 SG	463	{
	464	unsigned long addr;
	465	const char *filename;
d455d878 SR	466	loff_t bytes;
	467	loff_t pos;
	468	loff_t len;
	469	int ret;
a8f6ab52 SG	470	unsigned long time;
	471
	472	if (argc < 6 \|\| argc > 7)
	473	return CMD_RET_USAGE;
	474
	475	if (fs_set_blk_dev(argv[1], argv[2], fstype))
	476	return 1;
	477
d455d878 SR	478	addr = simple_strtoul(argv[3], NULL, 16);
d455d878 SR	479	filename = argv[4];
b770e88a	480	bytes = simple_strtoul(argv[5], NULL, 16);
a8f6ab52	481	if (argc >= 7)
b770e88a	482	pos = simple_strtoul(argv[6], NULL, 16);
a8f6ab52 SG	483	else
	484	pos = 0;
	485
	486	time = get_timer(0);
d455d878	487	ret = fs_write(filename, addr, pos, bytes, &len);
a8f6ab52	488	time = get_timer(time);
d455d878	489	if (ret < 0)
a8f6ab52 SG	490	return 1;
a8f6ab52 SG	491
d455d878	492	printf("%llu bytes written in %lu ms", len, time);
a8f6ab52 SG	493	if (time > 0) {
a8f6ab52 SG	494	puts(" (");
9e374e7b	495	print_size(div_u64(len, time) * 1000, "/s");
a8f6ab52 SG	496	puts(")");
	497	}
	498	puts("\n");
	499
	500	return 0;
	501	}
59e890ef CG	502
	503	int do_fs_uuid(cmd_tbl_t cmdtp, int flag, int argc, char const argv[],
	504	int fstype)
	505	{
	506	int ret;
	507	char uuid[37];
	508	memset(uuid, 0, sizeof(uuid));
	509
	510	if (argc < 3 \|\| argc > 4)
	511	return CMD_RET_USAGE;
	512
	513	if (fs_set_blk_dev(argv[1], argv[2], fstype))
	514	return 1;
	515
	516	ret = fs_uuid(uuid);
	517	if (ret)
	518	return CMD_RET_FAILURE;
	519
	520	if (argc == 4)
	521	setenv(argv[3], uuid);
	522	else
	523	printf("%s\n", uuid);
	524
	525	return CMD_RET_SUCCESS;
	526	}
1a1ad8e0 SS	527
	528	int do_fs_type(cmd_tbl_t cmdtp, int flag, int argc, char const argv[])
	529	{
	530	struct fstype_info *info;
	531
	532	if (argc < 3 \|\| argc > 4)
	533	return CMD_RET_USAGE;
	534
	535	if (fs_set_blk_dev(argv[1], argv[2], FS_TYPE_ANY))
	536	return 1;
	537
	538	info = fs_get_info(fs_type);
	539
	540	if (argc == 4)
	541	setenv(argv[3], info->name);
	542	else
	543	printf("%s\n", info->name);
	544
	545	return CMD_RET_SUCCESS;
	546	}
	547