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