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