[3320] | 1 | /* Ported to busybox from mtd-utils.
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| 2 | *
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| 3 | * Licensed under GPLv2, see file LICENSE in this source tree.
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| 4 | */
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| 5 |
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| 6 | //applet:IF_UBIATTACH(APPLET_ODDNAME(ubiattach, ubi_attach_detach, _BB_DIR_USR_SBIN, _BB_SUID_DROP, ubiattach))
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| 7 | //applet:IF_UBIDETACH(APPLET_ODDNAME(ubidetach, ubi_attach_detach, _BB_DIR_USR_SBIN, _BB_SUID_DROP, ubidetach))
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| 8 |
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| 9 | //kbuild:lib-$(CONFIG_UBIATTACH) += ubi_attach_detach.o
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| 10 | //kbuild:lib-$(CONFIG_UBIDETACH) += ubi_attach_detach.o
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| 11 |
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| 12 | //config:config UBIATTACH
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| 13 | //config: bool "ubiattach"
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| 14 | //config: default n
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| 15 | //config: depends on PLATFORM_LINUX
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| 16 | //config: help
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| 17 | //config: Attach MTD device to an UBI device.
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| 18 | //config:
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| 19 | //config:config UBIDETACH
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| 20 | //config: bool "ubidetach"
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| 21 | //config: default n
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| 22 | //config: depends on PLATFORM_LINUX
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| 23 | //config: help
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| 24 | //config: Detach MTD device from an UBI device.
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| 25 |
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| 26 | #include "libbb.h"
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| 27 | #include <mtd/ubi-user.h>
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| 28 |
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| 29 | #define OPTION_M (1 << 0)
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| 30 | #define OPTION_D (1 << 1)
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| 31 |
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| 32 | #define do_attach (ENABLE_UBIATTACH && \
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| 33 | (!ENABLE_UBIDETACH || (applet_name[3] == 'a')))
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| 34 |
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| 35 | //usage:#define ubiattach_trivial_usage
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| 36 | //usage: "-m MTD_NUM [-d UBI_NUM] UBI_CTRL_DEV"
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| 37 | //usage:#define ubiattach_full_usage "\n\n"
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| 38 | //usage: "Attach MTD device to UBI\n"
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| 39 | //usage: "\nOptions:"
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| 40 | //usage: "\n -m MTD_NUM MTD device number to attach"
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| 41 | //usage: "\n -d UBI_NUM UBI device number to assign"
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| 42 | //usage:
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| 43 | //usage:#define ubidetach_trivial_usage
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| 44 | //usage: "-d UBI_NUM UBI_CTRL_DEV"
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| 45 | //usage:#define ubidetach_full_usage "\n\n"
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| 46 | //usage: "Detach MTD device from UBI\n"
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| 47 | //usage: "\nOptions:"
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| 48 | //usage: "\n -d UBI_NUM UBI device number"
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| 49 |
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| 50 | int ubi_attach_detach_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
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| 51 | int ubi_attach_detach_main(int argc UNUSED_PARAM, char **argv)
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| 52 | {
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| 53 | unsigned opts;
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| 54 | char *ubi_ctrl;
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| 55 | //struct stat st;
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| 56 | struct ubi_attach_req req;
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| 57 | int fd;
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| 58 | int mtd_num;
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| 59 | int dev_num = UBI_DEV_NUM_AUTO;
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| 60 |
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| 61 | opt_complementary = "=1:m+:d+";
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| 62 | opts = getopt32(argv, "m:d:", &mtd_num, &dev_num);
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| 63 | ubi_ctrl = argv[optind];
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| 64 |
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| 65 | fd = xopen(ubi_ctrl, O_RDWR);
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| 66 | //xfstat(fd, &st, ubi_ctrl);
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| 67 | //if (!S_ISCHR(st.st_mode))
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| 68 | // bb_error_msg_and_die("%s: not a char device", ubi_ctrl);
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| 69 |
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| 70 | if (do_attach) {
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| 71 | if (!(opts & OPTION_M))
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| 72 | bb_error_msg_and_die("%s device not specified", "MTD");
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| 73 |
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| 74 | memset(&req, 0, sizeof(req));
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| 75 | req.mtd_num = mtd_num;
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| 76 | req.ubi_num = dev_num;
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| 77 |
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| 78 | xioctl(fd, UBI_IOCATT, &req);
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| 79 | } else { /* detach */
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| 80 | if (!(opts & OPTION_D))
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| 81 | bb_error_msg_and_die("%s device not specified", "UBI");
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| 82 |
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| 83 | xioctl(fd, UBI_IOCDET, &dev_num);
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| 84 | }
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| 85 |
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| 86 | if (ENABLE_FEATURE_CLEAN_UP)
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| 87 | close(fd);
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| 88 |
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| 89 | return EXIT_SUCCESS;
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| 90 | }
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