diff options
| -rw-r--r-- | miscutils/ubi_attach_detach.c | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/miscutils/ubi_attach_detach.c b/miscutils/ubi_attach_detach.c new file mode 100644 index 000000000..7b92a8afc --- /dev/null +++ b/miscutils/ubi_attach_detach.c @@ -0,0 +1,88 @@ +/* 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: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: +//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); + } + + if (ENABLE_FEATURE_CLEAN_UP) + close(fd); + + return EXIT_SUCCESS; +} |