u-boot/cmd/host.c
Simon Glass 6d07d63d2f sandbox: Drop the deprecated 'sb' command
The old 'sb' command was deprecated in 2015 and replaced with 'host'.
Remove the remaining users and the command, so that the name is available
for other purposes.

Signed-off-by: Simon Glass <sjg@chromium.org>
2018-11-26 08:25:35 -05:00

184 lines
4.4 KiB
C

// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (c) 2012, Google Inc.
*/
#include <common.h>
#include <dm.h>
#include <fs.h>
#include <part.h>
#include <sandboxblockdev.h>
#include <linux/errno.h>
static int host_curr_device = -1;
static int do_host_load(cmd_tbl_t *cmdtp, int flag, int argc,
char * const argv[])
{
return do_load(cmdtp, flag, argc, argv, FS_TYPE_SANDBOX);
}
static int do_host_ls(cmd_tbl_t *cmdtp, int flag, int argc,
char * const argv[])
{
return do_ls(cmdtp, flag, argc, argv, FS_TYPE_SANDBOX);
}
static int do_host_size(cmd_tbl_t *cmdtp, int flag, int argc,
char * const argv[])
{
return do_size(cmdtp, flag, argc, argv, FS_TYPE_SANDBOX);
}
static int do_host_save(cmd_tbl_t *cmdtp, int flag, int argc,
char * const argv[])
{
return do_save(cmdtp, flag, argc, argv, FS_TYPE_SANDBOX);
}
static int do_host_bind(cmd_tbl_t *cmdtp, int flag, int argc,
char * const argv[])
{
if (argc < 2 || argc > 3)
return CMD_RET_USAGE;
char *ep;
char *dev_str = argv[1];
char *file = argc >= 3 ? argv[2] : NULL;
int dev = simple_strtoul(dev_str, &ep, 16);
if (*ep) {
printf("** Bad device specification %s **\n", dev_str);
return CMD_RET_USAGE;
}
return host_dev_bind(dev, file);
}
static int do_host_info(cmd_tbl_t *cmdtp, int flag, int argc,
char * const argv[])
{
if (argc < 1 || argc > 2)
return CMD_RET_USAGE;
int min_dev = 0;
int max_dev = CONFIG_HOST_MAX_DEVICES - 1;
if (argc >= 2) {
char *ep;
char *dev_str = argv[1];
int dev = simple_strtoul(dev_str, &ep, 16);
if (*ep) {
printf("** Bad device specification %s **\n", dev_str);
return CMD_RET_USAGE;
}
min_dev = dev;
max_dev = dev;
}
int dev;
printf("%3s %12s %s\n", "dev", "blocks", "path");
for (dev = min_dev; dev <= max_dev; dev++) {
struct blk_desc *blk_dev;
int ret;
printf("%3d ", dev);
ret = host_get_dev_err(dev, &blk_dev);
if (ret) {
if (ret == -ENOENT)
puts("Not bound to a backing file\n");
else if (ret == -ENODEV)
puts("Invalid host device number\n");
continue;
}
struct host_block_dev *host_dev;
#ifdef CONFIG_BLK
host_dev = dev_get_priv(blk_dev->bdev);
#else
host_dev = blk_dev->priv;
#endif
printf("%12lu %s\n", (unsigned long)blk_dev->lba,
host_dev->filename);
}
return 0;
}
static int do_host_dev(cmd_tbl_t *cmdtp, int flag, int argc,
char * const argv[])
{
int dev;
char *ep;
struct blk_desc *blk_dev;
int ret;
if (argc < 1 || argc > 3)
return CMD_RET_USAGE;
if (argc == 1) {
if (host_curr_device < 0) {
printf("No current host device\n");
return 1;
}
printf("Current host device %d\n", host_curr_device);
return 0;
}
dev = simple_strtoul(argv[1], &ep, 16);
if (*ep) {
printf("** Bad device specification %s **\n", argv[2]);
return CMD_RET_USAGE;
}
ret = host_get_dev_err(dev, &blk_dev);
if (ret) {
if (ret == -ENOENT)
puts("Not bound to a backing file\n");
else if (ret == -ENODEV)
puts("Invalid host device number\n");
return 1;
}
host_curr_device = dev;
return 0;
}
static cmd_tbl_t cmd_host_sub[] = {
U_BOOT_CMD_MKENT(load, 7, 0, do_host_load, "", ""),
U_BOOT_CMD_MKENT(ls, 3, 0, do_host_ls, "", ""),
U_BOOT_CMD_MKENT(save, 6, 0, do_host_save, "", ""),
U_BOOT_CMD_MKENT(size, 3, 0, do_host_size, "", ""),
U_BOOT_CMD_MKENT(bind, 3, 0, do_host_bind, "", ""),
U_BOOT_CMD_MKENT(info, 3, 0, do_host_info, "", ""),
U_BOOT_CMD_MKENT(dev, 0, 1, do_host_dev, "", ""),
};
static int do_host(cmd_tbl_t *cmdtp, int flag, int argc,
char * const argv[])
{
cmd_tbl_t *c;
/* Skip past 'host' */
argc--;
argv++;
c = find_cmd_tbl(argv[0], cmd_host_sub,
ARRAY_SIZE(cmd_host_sub));
if (c)
return c->cmd(cmdtp, flag, argc, argv);
else
return CMD_RET_USAGE;
}
U_BOOT_CMD(
host, 8, 1, do_host,
"Miscellaneous host commands",
"load hostfs - <addr> <filename> [<bytes> <offset>] - "
"load a file from host\n"
"host ls hostfs - <filename> - list files on host\n"
"host save hostfs - <addr> <filename> <bytes> [<offset>] - "
"save a file to host\n"
"host size hostfs - <filename> - determine size of file on host\n"
"host bind <dev> [<filename>] - bind \"host\" device to file\n"
"host info [<dev>] - show device binding & info\n"
"host dev [<dev>] - Set or retrieve the current host device\n"
"host commands use the \"hostfs\" device. The \"host\" device is used\n"
"with standard IO commands such as fatls or ext2load"
);