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