Contents of /trunk/mkinitrd-magellan/busybox/miscutils/ubi_attach_detach.c
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Wed Aug 18 21:56:57 2010 UTC (14 years, 1 month ago) by niro
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Wed Aug 18 21:56:57 2010 UTC (14 years, 1 month ago) by niro
File MIME type: text/plain
File size: 2480 byte(s)
-updated to busybox-1.17.1
1 | /* Ported to busybox from mtd-utils. |
2 | * |
3 | * Licensed under GPLv2, see file LICENSE in this tarball for details. |
4 | */ |
5 | |
6 | //applet:IF_UBIATTACH(APPLET_ODDNAME(ubiattach, ubi_attach_detach, _BB_DIR_USR_SBIN, _BB_SUID_DROP, ubiattach)) |
7 | //applet:IF_UBIDETACH(APPLET_ODDNAME(ubidetach, ubi_attach_detach, _BB_DIR_USR_SBIN, _BB_SUID_DROP, ubidetach)) |
8 | |
9 | //kbuild:lib-$(CONFIG_UBIATTACH) += ubi_attach_detach.o |
10 | //kbuild:lib-$(CONFIG_UBIDETACH) += ubi_attach_detach.o |
11 | |
12 | //config:config UBIATTACH |
13 | //config: bool "ubiattach" |
14 | //config: default n |
15 | //config: help |
16 | //config: Attach MTD device to an UBI device. |
17 | //config: |
18 | //config:config UBIDETACH |
19 | //config: bool "ubidetach" |
20 | //config: default n |
21 | //config: help |
22 | //config: Detach MTD device from an UBI device. |
23 | |
24 | #include "libbb.h" |
25 | #include <mtd/ubi-user.h> |
26 | |
27 | #define OPTION_M (1 << 0) |
28 | #define OPTION_D (1 << 1) |
29 | |
30 | #define do_attach (ENABLE_UBIATTACH && \ |
31 | (!ENABLE_UBIDETACH || (applet_name[3] == 'a'))) |
32 | |
33 | //usage:#define ubiattach_trivial_usage |
34 | //usage: "-m MTD_NUM [-d UBI_NUM] UBI_CTRL_DEV" |
35 | //usage:#define ubiattach_full_usage "\n\n" |
36 | //usage: "Attach MTD device to UBI\n" |
37 | //usage: "\nOptions:" |
38 | //usage: "\n -m MTD_NUM MTD device number to attach" |
39 | //usage: "\n -d UBI_NUM UBI device number to assign" |
40 | //usage: |
41 | //usage:#define ubidetach_trivial_usage |
42 | //usage: "-d UBI_NUM UBI_CTRL_DEV" |
43 | //usage:#define ubidetach_full_usage "\n\n" |
44 | //usage: "Detach MTD device from UBI\n" |
45 | //usage: "\nOptions:" |
46 | //usage: "\n -d UBI_NUM UBI device number" |
47 | |
48 | int ubi_attach_detach_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; |
49 | int ubi_attach_detach_main(int argc UNUSED_PARAM, char **argv) |
50 | { |
51 | unsigned opts; |
52 | char *ubi_ctrl; |
53 | //struct stat st; |
54 | struct ubi_attach_req req; |
55 | int fd; |
56 | int mtd_num; |
57 | int dev_num = UBI_DEV_NUM_AUTO; |
58 | |
59 | opt_complementary = "=1:m+:d+"; |
60 | opts = getopt32(argv, "m:d:", &mtd_num, &dev_num); |
61 | ubi_ctrl = argv[optind]; |
62 | |
63 | fd = xopen(ubi_ctrl, O_RDWR); |
64 | //fstat(fd, &st); |
65 | //if (!S_ISCHR(st.st_mode)) |
66 | // bb_error_msg_and_die("'%s' is not a char device", ubi_ctrl); |
67 | |
68 | if (do_attach) { |
69 | if (!(opts & OPTION_M)) |
70 | bb_error_msg_and_die("%s device not specified", "MTD"); |
71 | |
72 | memset(&req, 0, sizeof(req)); |
73 | req.mtd_num = mtd_num; |
74 | req.ubi_num = dev_num; |
75 | |
76 | xioctl(fd, UBI_IOCATT, &req); |
77 | } else { /* detach */ |
78 | if (!(opts & OPTION_D)) |
79 | bb_error_msg_and_die("%s device not specified", "UBI"); |
80 | |
81 | xioctl(fd, UBI_IOCDET, &dev_num); |
82 | } |
83 | |
84 | if (ENABLE_FEATURE_CLEAN_UP) |
85 | close(fd); |
86 | |
87 | return EXIT_SUCCESS; |
88 | } |