1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (c) 2012, Google Inc.
11 #include <sandboxblockdev.h>
12 #include <dm/device_compat.h>
13 #include <linux/errno.h>
15 static int host_curr_device = -1;
17 static int do_host_load(struct cmd_tbl *cmdtp, int flag, int argc,
20 return do_load(cmdtp, flag, argc, argv, FS_TYPE_SANDBOX);
23 static int do_host_ls(struct cmd_tbl *cmdtp, int flag, int argc,
26 return do_ls(cmdtp, flag, argc, argv, FS_TYPE_SANDBOX);
29 static int do_host_size(struct cmd_tbl *cmdtp, int flag, int argc,
32 return do_size(cmdtp, flag, argc, argv, FS_TYPE_SANDBOX);
35 static int do_host_save(struct cmd_tbl *cmdtp, int flag, int argc,
38 return do_save(cmdtp, flag, argc, argv, FS_TYPE_SANDBOX);
41 static int do_host_bind(struct cmd_tbl *cmdtp, int flag, int argc,
52 if (argc < 1 || argv > 2)
55 dev = simple_strtoul(dev_str, &ep, 16);
57 printf("** Bad device specification %s **\n", dev_str);
60 file = argc > 1 ? argv[1] : NULL;
62 return !!host_dev_bind(dev, file);
65 static int do_host_info(struct cmd_tbl *cmdtp, int flag, int argc,
68 if (argc < 1 || argc > 2)
71 int max_dev = CONFIG_HOST_MAX_DEVICES - 1;
74 char *dev_str = argv[1];
75 int dev = simple_strtoul(dev_str, &ep, 16);
77 printf("** Bad device specification %s **\n", dev_str);
84 printf("%3s %12s %s\n", "dev", "blocks", "path");
85 for (dev = min_dev; dev <= max_dev; dev++) {
86 struct blk_desc *blk_dev;
90 ret = host_get_dev_err(dev, &blk_dev);
93 puts("Not bound to a backing file\n");
94 else if (ret == -ENODEV)
95 puts("Invalid host device number\n");
99 struct host_block_dev *host_dev;
102 host_dev = dev_get_plat(blk_dev->bdev);
104 host_dev = blk_dev->priv;
106 printf("%12lu %s\n", (unsigned long)blk_dev->lba,
112 static int do_host_dev(struct cmd_tbl *cmdtp, int flag, int argc,
117 struct blk_desc *blk_dev;
120 if (argc < 1 || argc > 3)
121 return CMD_RET_USAGE;
124 if (host_curr_device < 0) {
125 printf("No current host device\n");
128 printf("Current host device %d\n", host_curr_device);
132 dev = simple_strtoul(argv[1], &ep, 16);
134 printf("** Bad device specification %s **\n", argv[2]);
135 return CMD_RET_USAGE;
138 ret = host_get_dev_err(dev, &blk_dev);
141 puts("Not bound to a backing file\n");
142 else if (ret == -ENODEV)
143 puts("Invalid host device number\n");
148 host_curr_device = dev;
152 static struct cmd_tbl cmd_host_sub[] = {
153 U_BOOT_CMD_MKENT(load, 7, 0, do_host_load, "", ""),
154 U_BOOT_CMD_MKENT(ls, 3, 0, do_host_ls, "", ""),
155 U_BOOT_CMD_MKENT(save, 6, 0, do_host_save, "", ""),
156 U_BOOT_CMD_MKENT(size, 3, 0, do_host_size, "", ""),
157 U_BOOT_CMD_MKENT(bind, 3, 0, do_host_bind, "", ""),
158 U_BOOT_CMD_MKENT(info, 3, 0, do_host_info, "", ""),
159 U_BOOT_CMD_MKENT(dev, 0, 1, do_host_dev, "", ""),
162 static int do_host(struct cmd_tbl *cmdtp, int flag, int argc,
167 /* Skip past 'host' */
171 c = find_cmd_tbl(argv[0], cmd_host_sub,
172 ARRAY_SIZE(cmd_host_sub));
175 return c->cmd(cmdtp, flag, argc, argv);
177 return CMD_RET_USAGE;
182 "Miscellaneous host commands",
183 "load hostfs - <addr> <filename> [<bytes> <offset>] - "
184 "load a file from host\n"
185 "host ls hostfs - <filename> - list files on host\n"
186 "host save hostfs - <addr> <filename> <bytes> [<offset>] - "
187 "save a file to host\n"
188 "host size hostfs - <filename> - determine size of file on host\n"
189 "host bind <dev> [<filename>] - bind \"host\" device to file\n"
190 "host info [<dev>] - show device binding & info\n"
191 "host dev [<dev>] - Set or retrieve the current host device\n"
192 "host commands use the \"hostfs\" device. The \"host\" device is used\n"
193 "with standard IO commands such as fatls or ext2load"