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Jorgen Lundman4d3c95f2012-07-19 20:48:25 +00001/*
2 *
3 * ZFS filesystem porting to Uboot by
4 * Jorgen Lundman <lundman at lundman.net>
5 *
6 * zfsfs support
7 * made from existing GRUB Sources by Sun, GNU and others.
8 *
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License as
11 * published by the Free Software Foundation; either version 2 of
12 * the License, or (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
22 * MA 02111-1307 USA
23 *
24 */
25
26#include <common.h>
27#include <part.h>
28#include <config.h>
29#include <command.h>
30#include <image.h>
31#include <linux/ctype.h>
32#include <asm/byteorder.h>
33#include <zfs_common.h>
34#include <linux/stat.h>
35#include <malloc.h>
36
37#if defined(CONFIG_CMD_USB) && defined(CONFIG_USB_STORAGE)
38#include <usb.h>
39#endif
40
41#if !defined(CONFIG_DOS_PARTITION) && !defined(CONFIG_EFI_PARTITION)
42#error DOS or EFI partition support must be selected
43#endif
44
45#define DOS_PART_MAGIC_OFFSET 0x1fe
46#define DOS_FS_TYPE_OFFSET 0x36
47#define DOS_FS32_TYPE_OFFSET 0x52
48
49static int do_zfs_load(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
50{
51 char *filename = NULL;
Jorgen Lundman4d3c95f2012-07-19 20:48:25 +000052 int dev;
Rob Herring41204572012-08-23 11:31:49 +000053 int part;
Jorgen Lundman4d3c95f2012-07-19 20:48:25 +000054 ulong addr = 0;
Jorgen Lundman4d3c95f2012-07-19 20:48:25 +000055 disk_partition_t info;
Rob Herring41204572012-08-23 11:31:49 +000056 block_dev_desc_t *dev_desc;
Jorgen Lundman4d3c95f2012-07-19 20:48:25 +000057 char buf[12];
58 unsigned long count;
59 const char *addr_str;
60 struct zfs_file zfile;
61 struct device_s vdev;
62
63 if (argc < 3)
64 return CMD_RET_USAGE;
65
66 count = 0;
67 addr = simple_strtoul(argv[3], NULL, 16);
68 filename = getenv("bootfile");
69 switch (argc) {
70 case 3:
71 addr_str = getenv("loadaddr");
72 if (addr_str != NULL)
73 addr = simple_strtoul(addr_str, NULL, 16);
74 else
75 addr = CONFIG_SYS_LOAD_ADDR;
76
77 break;
78 case 4:
79 break;
80 case 5:
81 filename = argv[4];
82 break;
83 case 6:
84 filename = argv[4];
85 count = simple_strtoul(argv[5], NULL, 16);
86 break;
87
88 default:
89 return cmd_usage(cmdtp);
90 }
91
92 if (!filename) {
93 puts("** No boot file defined **\n");
94 return 1;
95 }
96
Stephen Warren10a37fd2012-09-21 09:50:57 +000097 part = get_device_and_partition(argv[1], argv[2], &dev_desc, &info, 1);
Rob Herring41204572012-08-23 11:31:49 +000098 if (part < 0)
Jorgen Lundman4d3c95f2012-07-19 20:48:25 +000099 return 1;
Jorgen Lundman4d3c95f2012-07-19 20:48:25 +0000100
Rob Herring41204572012-08-23 11:31:49 +0000101 dev = dev_desc->dev;
102 printf("Loading file \"%s\" from %s device %d%c%c\n",
103 filename, argv[1], dev,
104 part ? ':' : ' ', part ? part + '0' : ' ');
Jorgen Lundman4d3c95f2012-07-19 20:48:25 +0000105
Rob Herring41204572012-08-23 11:31:49 +0000106 zfs_set_blk_dev(dev_desc, &info);
107 vdev.part_length = info.size;
Jorgen Lundman4d3c95f2012-07-19 20:48:25 +0000108
109 memset(&zfile, 0, sizeof(zfile));
110 zfile.device = &vdev;
111 if (zfs_open(&zfile, filename)) {
112 printf("** File not found %s\n", filename);
113 return 1;
114 }
115
116 if ((count < zfile.size) && (count != 0))
117 zfile.size = (uint64_t)count;
118
119 if (zfs_read(&zfile, (char *)addr, zfile.size) != zfile.size) {
Rob Herring41204572012-08-23 11:31:49 +0000120 printf("** Unable to read \"%s\" from %s %d:%d **\n",
Jorgen Lundman4d3c95f2012-07-19 20:48:25 +0000121 filename, argv[1], dev, part);
122 zfs_close(&zfile);
123 return 1;
124 }
125
126 zfs_close(&zfile);
127
128 /* Loading ok, update default load address */
129 load_addr = addr;
130
131 printf("%llu bytes read\n", zfile.size);
132 sprintf(buf, "%llX", zfile.size);
133 setenv("filesize", buf);
134
135 return 0;
136}
137
138
139int zfs_print(const char *entry, const struct zfs_dirhook_info *data)
140{
141 printf("%s %s\n",
142 data->dir ? "<DIR> " : " ",
143 entry);
144 return 0; /* 0 continue, 1 stop */
145}
146
147
148
149static int do_zfs_ls(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
150{
151 const char *filename = "/";
Rob Herring41204572012-08-23 11:31:49 +0000152 int part;
153 block_dev_desc_t *dev_desc;
154 disk_partition_t info;
Jorgen Lundman4d3c95f2012-07-19 20:48:25 +0000155 struct device_s vdev;
156
Rob Herring41204572012-08-23 11:31:49 +0000157 if (argc < 2)
Jorgen Lundman4d3c95f2012-07-19 20:48:25 +0000158 return cmd_usage(cmdtp);
159
Jorgen Lundman4d3c95f2012-07-19 20:48:25 +0000160 if (argc == 4)
161 filename = argv[3];
162
Stephen Warren10a37fd2012-09-21 09:50:57 +0000163 part = get_device_and_partition(argv[1], argv[2], &dev_desc, &info, 1);
Rob Herring41204572012-08-23 11:31:49 +0000164 if (part < 0)
Jorgen Lundman4d3c95f2012-07-19 20:48:25 +0000165 return 1;
Jorgen Lundman4d3c95f2012-07-19 20:48:25 +0000166
Rob Herring41204572012-08-23 11:31:49 +0000167 zfs_set_blk_dev(dev_desc, &info);
168 vdev.part_length = info.size;
Jorgen Lundman4d3c95f2012-07-19 20:48:25 +0000169
170 zfs_ls(&vdev, filename,
171 zfs_print);
172
173 return 0;
174}
175
176
177U_BOOT_CMD(zfsls, 4, 1, do_zfs_ls,
178 "list files in a directory (default /)",
179 "<interface> <dev[:part]> [directory]\n"
180 " - list files from 'dev' on 'interface' in a '/DATASET/@/$dir/'");
181
182U_BOOT_CMD(zfsload, 6, 0, do_zfs_load,
183 "load binary file from a ZFS filesystem",
184 "<interface> <dev[:part]> [addr] [filename] [bytes]\n"
185 " - load binary file '/DATASET/@/$dir/$file' from 'dev' on 'interface'\n"
186 " to address 'addr' from ZFS filesystem");