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git.ipfire.org Git - thirdparty/u-boot.git/blob - cmd/zfs.c
1 // SPDX-License-Identifier: GPL-2.0+
4 * ZFS filesystem porting to Uboot by
5 * Jorgen Lundman <lundman at lundman.net>
8 * made from existing GRUB Sources by Sun, GNU and others.
17 #include <linux/ctype.h>
18 #include <asm/byteorder.h>
19 #include <zfs_common.h>
20 #include <linux/stat.h>
23 #if defined(CONFIG_CMD_USB) && defined(CONFIG_USB_STORAGE)
27 #if !CONFIG_IS_ENABLED(DOS_PARTITION) && !CONFIG_IS_ENABLED(EFI_PARTITION)
28 #error DOS or EFI partition support must be selected
31 #define DOS_PART_MAGIC_OFFSET 0x1fe
32 #define DOS_FS_TYPE_OFFSET 0x36
33 #define DOS_FS32_TYPE_OFFSET 0x52
35 static int do_zfs_load(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
37 char *filename
= NULL
;
41 struct disk_partition info
;
42 struct blk_desc
*dev_desc
;
45 struct zfs_file zfile
;
52 addr
= simple_strtoul(argv
[3], NULL
, 16);
53 filename
= env_get("bootfile");
56 addr_str
= env_get("loadaddr");
58 addr
= simple_strtoul(addr_str
, NULL
, 16);
60 addr
= CONFIG_SYS_LOAD_ADDR
;
70 count
= simple_strtoul(argv
[5], NULL
, 16);
74 return cmd_usage(cmdtp
);
78 puts("** No boot file defined **\n");
82 part
= blk_get_device_part_str(argv
[1], argv
[2], &dev_desc
, &info
, 1);
86 dev
= dev_desc
->devnum
;
87 printf("Loading file \"%s\" from %s device %d%c%c\n",
88 filename
, argv
[1], dev
,
89 part
? ':' : ' ', part
? part
+ '0' : ' ');
91 zfs_set_blk_dev(dev_desc
, &info
);
92 vdev
.part_length
= info
.size
;
94 memset(&zfile
, 0, sizeof(zfile
));
96 if (zfs_open(&zfile
, filename
)) {
97 printf("** File not found %s **\n", filename
);
101 if ((count
< zfile
.size
) && (count
!= 0))
102 zfile
.size
= (uint64_t)count
;
104 if (zfs_read(&zfile
, (char *)addr
, zfile
.size
) != zfile
.size
) {
105 printf("** Unable to read \"%s\" from %s %d:%d **\n",
106 filename
, argv
[1], dev
, part
);
113 /* Loading ok, update default load address */
114 image_load_addr
= addr
;
116 printf("%llu bytes read\n", zfile
.size
);
117 env_set_hex("filesize", zfile
.size
);
123 int zfs_print(const char *entry
, const struct zfs_dirhook_info
*data
)
126 data
->dir
? "<DIR> " : " ",
128 return 0; /* 0 continue, 1 stop */
133 static int do_zfs_ls(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
135 const char *filename
= "/";
137 struct blk_desc
*dev_desc
;
138 struct disk_partition info
;
139 struct device_s vdev
;
142 return cmd_usage(cmdtp
);
147 part
= blk_get_device_part_str(argv
[1], argv
[2], &dev_desc
, &info
, 1);
151 zfs_set_blk_dev(dev_desc
, &info
);
152 vdev
.part_length
= info
.size
;
154 zfs_ls(&vdev
, filename
,
161 U_BOOT_CMD(zfsls
, 4, 1, do_zfs_ls
,
162 "list files in a directory (default /)",
163 "<interface> <dev[:part]> [directory]\n"
164 " - list files from 'dev' on 'interface' in a '/DATASET/@/$dir/'");
166 U_BOOT_CMD(zfsload
, 6, 0, do_zfs_load
,
167 "load binary file from a ZFS filesystem",
168 "<interface> <dev[:part]> [addr] [filename] [bytes]\n"
169 " - load binary file '/DATASET/@/$dir/$file' from 'dev' on 'interface'\n"
170 " to address 'addr' from ZFS filesystem");