blob: 7b92a8afcfd8f940f345cf5e41e4abd62643b0a5 [file] [log] [blame]
/* Ported to busybox from mtd-utils.
* Licensed under GPLv2, see file LICENSE in this tarball for details.
//applet:IF_UBIATTACH(APPLET_ODDNAME(ubiattach, ubi_attach_detach, _BB_DIR_USR_SBIN, _BB_SUID_DROP, ubiattach))
//applet:IF_UBIDETACH(APPLET_ODDNAME(ubidetach, ubi_attach_detach, _BB_DIR_USR_SBIN, _BB_SUID_DROP, ubidetach))
//kbuild:lib-$(CONFIG_UBIATTACH) += ubi_attach_detach.o
//kbuild:lib-$(CONFIG_UBIDETACH) += ubi_attach_detach.o
//config:config UBIATTACH
//config: bool "ubiattach"
//config: default n
//config: help
//config: Attach MTD device to an UBI device.
//config:config UBIDETACH
//config: bool "ubidetach"
//config: default n
//config: help
//config: Detach MTD device from an UBI device.
#include "libbb.h"
#include <mtd/ubi-user.h>
#define OPTION_M (1 << 0)
#define OPTION_D (1 << 1)
#define do_attach (ENABLE_UBIATTACH && \
(!ENABLE_UBIDETACH || (applet_name[3] == 'a')))
//usage:#define ubiattach_trivial_usage
//usage: "-m MTD_NUM [-d UBI_NUM] UBI_CTRL_DEV"
//usage:#define ubiattach_full_usage "\n\n"
//usage: "Attach MTD device to UBI\n"
//usage: "\nOptions:"
//usage: "\n -m MTD_NUM MTD device number to attach"
//usage: "\n -d UBI_NUM UBI device number to assign"
//usage:#define ubidetach_trivial_usage
//usage: "-d UBI_NUM UBI_CTRL_DEV"
//usage:#define ubidetach_full_usage "\n\n"
//usage: "Detach MTD device from UBI\n"
//usage: "\nOptions:"
//usage: "\n -d UBI_NUM UBI device number"
int ubi_attach_detach_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int ubi_attach_detach_main(int argc UNUSED_PARAM, char **argv)
unsigned opts;
char *ubi_ctrl;
//struct stat st;
struct ubi_attach_req req;
int fd;
int mtd_num;
int dev_num = UBI_DEV_NUM_AUTO;
opt_complementary = "=1:m+:d+";
opts = getopt32(argv, "m:d:", &mtd_num, &dev_num);
ubi_ctrl = argv[optind];
fd = xopen(ubi_ctrl, O_RDWR);
//fstat(fd, &st);
//if (!S_ISCHR(st.st_mode))
// bb_error_msg_and_die("'%s' is not a char device", ubi_ctrl);
if (do_attach) {
if (!(opts & OPTION_M))
bb_error_msg_and_die("%s device not specified", "MTD");
memset(&req, 0, sizeof(req));
req.mtd_num = mtd_num;
req.ubi_num = dev_num;
xioctl(fd, UBI_IOCATT, &req);
} else { /* detach */
if (!(opts & OPTION_D))
bb_error_msg_and_die("%s device not specified", "UBI");
xioctl(fd, UBI_IOCDET, &dev_num);