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git.ipfire.org Git - thirdparty/u-boot.git/blob - cmd/host.c
1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (c) 2012, Google Inc.
10 #include <sandboxblockdev.h>
11 #include <linux/errno.h>
13 static int host_curr_device
= -1;
15 static int do_host_load(cmd_tbl_t
*cmdtp
, int flag
, int argc
,
18 return do_load(cmdtp
, flag
, argc
, argv
, FS_TYPE_SANDBOX
);
21 static int do_host_ls(cmd_tbl_t
*cmdtp
, int flag
, int argc
,
24 return do_ls(cmdtp
, flag
, argc
, argv
, FS_TYPE_SANDBOX
);
27 static int do_host_size(cmd_tbl_t
*cmdtp
, int flag
, int argc
,
30 return do_size(cmdtp
, flag
, argc
, argv
, FS_TYPE_SANDBOX
);
33 static int do_host_save(cmd_tbl_t
*cmdtp
, int flag
, int argc
,
36 return do_save(cmdtp
, flag
, argc
, argv
, FS_TYPE_SANDBOX
);
39 static int do_host_bind(cmd_tbl_t
*cmdtp
, int flag
, int argc
,
42 if (argc
< 2 || argc
> 3)
45 char *dev_str
= argv
[1];
46 char *file
= argc
>= 3 ? argv
[2] : NULL
;
47 int dev
= simple_strtoul(dev_str
, &ep
, 16);
49 printf("** Bad device specification %s **\n", dev_str
);
52 return host_dev_bind(dev
, file
);
55 static int do_host_info(cmd_tbl_t
*cmdtp
, int flag
, int argc
,
58 if (argc
< 1 || argc
> 2)
61 int max_dev
= CONFIG_HOST_MAX_DEVICES
- 1;
64 char *dev_str
= argv
[1];
65 int dev
= simple_strtoul(dev_str
, &ep
, 16);
67 printf("** Bad device specification %s **\n", dev_str
);
74 printf("%3s %12s %s\n", "dev", "blocks", "path");
75 for (dev
= min_dev
; dev
<= max_dev
; dev
++) {
76 struct blk_desc
*blk_dev
;
80 ret
= host_get_dev_err(dev
, &blk_dev
);
83 puts("Not bound to a backing file\n");
84 else if (ret
== -ENODEV
)
85 puts("Invalid host device number\n");
89 struct host_block_dev
*host_dev
;
92 host_dev
= dev_get_priv(blk_dev
->bdev
);
94 host_dev
= blk_dev
->priv
;
96 printf("%12lu %s\n", (unsigned long)blk_dev
->lba
,
102 static int do_host_dev(cmd_tbl_t
*cmdtp
, int flag
, int argc
,
107 struct blk_desc
*blk_dev
;
110 if (argc
< 1 || argc
> 3)
111 return CMD_RET_USAGE
;
114 if (host_curr_device
< 0) {
115 printf("No current host device\n");
118 printf("Current host device %d\n", host_curr_device
);
122 dev
= simple_strtoul(argv
[1], &ep
, 16);
124 printf("** Bad device specification %s **\n", argv
[2]);
125 return CMD_RET_USAGE
;
128 ret
= host_get_dev_err(dev
, &blk_dev
);
131 puts("Not bound to a backing file\n");
132 else if (ret
== -ENODEV
)
133 puts("Invalid host device number\n");
138 host_curr_device
= dev
;
142 static cmd_tbl_t cmd_host_sub
[] = {
143 U_BOOT_CMD_MKENT(load
, 7, 0, do_host_load
, "", ""),
144 U_BOOT_CMD_MKENT(ls
, 3, 0, do_host_ls
, "", ""),
145 U_BOOT_CMD_MKENT(save
, 6, 0, do_host_save
, "", ""),
146 U_BOOT_CMD_MKENT(size
, 3, 0, do_host_size
, "", ""),
147 U_BOOT_CMD_MKENT(bind
, 3, 0, do_host_bind
, "", ""),
148 U_BOOT_CMD_MKENT(info
, 3, 0, do_host_info
, "", ""),
149 U_BOOT_CMD_MKENT(dev
, 0, 1, do_host_dev
, "", ""),
152 static int do_host(cmd_tbl_t
*cmdtp
, int flag
, int argc
,
157 /* Skip past 'host' */
161 c
= find_cmd_tbl(argv
[0], cmd_host_sub
,
162 ARRAY_SIZE(cmd_host_sub
));
165 return c
->cmd(cmdtp
, flag
, argc
, argv
);
167 return CMD_RET_USAGE
;
172 "Deprecated: use 'host' command instead.", ""
177 "Miscellaneous host commands",
178 "load hostfs - <addr> <filename> [<bytes> <offset>] - "
179 "load a file from host\n"
180 "host ls hostfs - <filename> - list files on host\n"
181 "host save hostfs - <addr> <filename> <bytes> [<offset>] - "
182 "save a file to host\n"
183 "host size hostfs - <filename> - determine size of file on host\n"
184 "host bind <dev> [<filename>] - bind \"host\" device to file\n"
185 "host info [<dev>] - show device binding & info\n"
186 "host dev [<dev>] - Set or retrieve the current host device\n"
187 "host commands use the \"hostfs\" device. The \"host\" device is used\n"
188 "with standard IO commands such as fatls or ext2load"