1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun * (C) Copyright 2011 - 2012 Samsung Electronics
3*4882a593Smuzhiyun * EXT4 filesystem implementation in Uboot by
4*4882a593Smuzhiyun * Uma Shankar <uma.shankar@samsung.com>
5*4882a593Smuzhiyun * Manjunatha C Achar <a.manjunatha@samsung.com>
6*4882a593Smuzhiyun *
7*4882a593Smuzhiyun * Ext4fs support
8*4882a593Smuzhiyun * made from existing cmd_ext2.c file of Uboot
9*4882a593Smuzhiyun *
10*4882a593Smuzhiyun * (C) Copyright 2004
11*4882a593Smuzhiyun * esd gmbh <www.esd-electronics.com>
12*4882a593Smuzhiyun * Reinhard Arlt <reinhard.arlt@esd-electronics.com>
13*4882a593Smuzhiyun *
14*4882a593Smuzhiyun * made from cmd_reiserfs by
15*4882a593Smuzhiyun *
16*4882a593Smuzhiyun * (C) Copyright 2003 - 2004
17*4882a593Smuzhiyun * Sysgo Real-Time Solutions, AG <www.elinos.com>
18*4882a593Smuzhiyun * Pavel Bartusek <pba@sysgo.com>
19*4882a593Smuzhiyun *
20*4882a593Smuzhiyun * SPDX-License-Identifier: GPL-2.0+
21*4882a593Smuzhiyun */
22*4882a593Smuzhiyun
23*4882a593Smuzhiyun /*
24*4882a593Smuzhiyun * Changelog:
25*4882a593Smuzhiyun * 0.1 - Newly created file for ext4fs support. Taken from cmd_ext2.c
26*4882a593Smuzhiyun * file in uboot. Added ext4fs ls load and write support.
27*4882a593Smuzhiyun */
28*4882a593Smuzhiyun
29*4882a593Smuzhiyun #include <common.h>
30*4882a593Smuzhiyun #include <part.h>
31*4882a593Smuzhiyun #include <config.h>
32*4882a593Smuzhiyun #include <command.h>
33*4882a593Smuzhiyun #include <image.h>
34*4882a593Smuzhiyun #include <linux/ctype.h>
35*4882a593Smuzhiyun #include <asm/byteorder.h>
36*4882a593Smuzhiyun #include <ext4fs.h>
37*4882a593Smuzhiyun #include <linux/stat.h>
38*4882a593Smuzhiyun #include <malloc.h>
39*4882a593Smuzhiyun #include <fs.h>
40*4882a593Smuzhiyun
41*4882a593Smuzhiyun #if defined(CONFIG_CMD_USB) && defined(CONFIG_USB_STORAGE)
42*4882a593Smuzhiyun #include <usb.h>
43*4882a593Smuzhiyun #endif
44*4882a593Smuzhiyun
do_ext4_size(cmd_tbl_t * cmdtp,int flag,int argc,char * const argv[])45*4882a593Smuzhiyun int do_ext4_size(cmd_tbl_t *cmdtp, int flag, int argc,
46*4882a593Smuzhiyun char *const argv[])
47*4882a593Smuzhiyun {
48*4882a593Smuzhiyun return do_size(cmdtp, flag, argc, argv, FS_TYPE_EXT);
49*4882a593Smuzhiyun }
50*4882a593Smuzhiyun
do_ext4_load(cmd_tbl_t * cmdtp,int flag,int argc,char * const argv[])51*4882a593Smuzhiyun int do_ext4_load(cmd_tbl_t *cmdtp, int flag, int argc,
52*4882a593Smuzhiyun char *const argv[])
53*4882a593Smuzhiyun {
54*4882a593Smuzhiyun return do_load(cmdtp, flag, argc, argv, FS_TYPE_EXT);
55*4882a593Smuzhiyun }
56*4882a593Smuzhiyun
do_ext4_ls(cmd_tbl_t * cmdtp,int flag,int argc,char * const argv[])57*4882a593Smuzhiyun int do_ext4_ls(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
58*4882a593Smuzhiyun {
59*4882a593Smuzhiyun return do_ls(cmdtp, flag, argc, argv, FS_TYPE_EXT);
60*4882a593Smuzhiyun }
61*4882a593Smuzhiyun
62*4882a593Smuzhiyun #if defined(CONFIG_CMD_EXT4_WRITE)
do_ext4_write(cmd_tbl_t * cmdtp,int flag,int argc,char * const argv[])63*4882a593Smuzhiyun int do_ext4_write(cmd_tbl_t *cmdtp, int flag, int argc,
64*4882a593Smuzhiyun char *const argv[])
65*4882a593Smuzhiyun {
66*4882a593Smuzhiyun return do_save(cmdtp, flag, argc, argv, FS_TYPE_EXT);
67*4882a593Smuzhiyun }
68*4882a593Smuzhiyun
69*4882a593Smuzhiyun U_BOOT_CMD(ext4write, 7, 1, do_ext4_write,
70*4882a593Smuzhiyun "create a file in the root directory",
71*4882a593Smuzhiyun "<interface> <dev[:part]> <addr> <absolute filename path>\n"
72*4882a593Smuzhiyun " [sizebytes] [file offset]\n"
73*4882a593Smuzhiyun " - create a file in / directory");
74*4882a593Smuzhiyun
75*4882a593Smuzhiyun #endif
76*4882a593Smuzhiyun
77*4882a593Smuzhiyun #if defined(CONFIG_CMD_EXT4_SPARSE_WRITE)
do_ext4_sparse_write(cmd_tbl_t * cmdtp,int flag,int argc,char * const argv[])78*4882a593Smuzhiyun int do_ext4_sparse_write(cmd_tbl_t *cmdtp, int flag, int argc,
79*4882a593Smuzhiyun char *const argv[])
80*4882a593Smuzhiyun {
81*4882a593Smuzhiyun struct blk_desc *desc;
82*4882a593Smuzhiyun ulong buf, blk;
83*4882a593Smuzhiyun
84*4882a593Smuzhiyun if (argc != 5)
85*4882a593Smuzhiyun return CMD_RET_USAGE;
86*4882a593Smuzhiyun
87*4882a593Smuzhiyun desc = blk_get_dev(argv[1], simple_strtoul(argv[2], NULL, 16));
88*4882a593Smuzhiyun if (!desc) {
89*4882a593Smuzhiyun printf("Cannot get %s %s device\n", argv[1], argv[2]);
90*4882a593Smuzhiyun return CMD_RET_FAILURE;
91*4882a593Smuzhiyun }
92*4882a593Smuzhiyun
93*4882a593Smuzhiyun buf = simple_strtoul(argv[3], NULL, 16);
94*4882a593Smuzhiyun blk = simple_strtoul(argv[4], NULL, 16);
95*4882a593Smuzhiyun
96*4882a593Smuzhiyun return ext4_unsparse(desc, (const u8 *)buf, blk) ?
97*4882a593Smuzhiyun CMD_RET_FAILURE : CMD_RET_SUCCESS;
98*4882a593Smuzhiyun }
99*4882a593Smuzhiyun
100*4882a593Smuzhiyun U_BOOT_CMD(ext4write_sparse, 5, 1, do_ext4_sparse_write,
101*4882a593Smuzhiyun "Unsparse file and write to block",
102*4882a593Smuzhiyun "<interface> <dev> <addr> <blk#>");
103*4882a593Smuzhiyun #endif
104*4882a593Smuzhiyun
105*4882a593Smuzhiyun U_BOOT_CMD(
106*4882a593Smuzhiyun ext4size, 4, 0, do_ext4_size,
107*4882a593Smuzhiyun "determine a file's size",
108*4882a593Smuzhiyun "<interface> <dev[:part]> <filename>\n"
109*4882a593Smuzhiyun " - Find file 'filename' from 'dev' on 'interface'\n"
110*4882a593Smuzhiyun " and determine its size."
111*4882a593Smuzhiyun );
112*4882a593Smuzhiyun
113*4882a593Smuzhiyun U_BOOT_CMD(ext4ls, 4, 1, do_ext4_ls,
114*4882a593Smuzhiyun "list files in a directory (default /)",
115*4882a593Smuzhiyun "<interface> <dev[:part]> [directory]\n"
116*4882a593Smuzhiyun " - list files from 'dev' on 'interface' in a 'directory'");
117*4882a593Smuzhiyun
118*4882a593Smuzhiyun U_BOOT_CMD(ext4load, 7, 0, do_ext4_load,
119*4882a593Smuzhiyun "load binary file from a Ext4 filesystem",
120*4882a593Smuzhiyun "<interface> [<dev[:part]> [addr [filename [bytes [pos]]]]]\n"
121*4882a593Smuzhiyun " - load binary file 'filename' from 'dev' on 'interface'\n"
122*4882a593Smuzhiyun " to address 'addr' from ext4 filesystem");
123