/* Ported to busybox from mtd-utils. * * Licensed under GPLv2, see file LICENSE in this source tree. */ //config:config UBIATTACH //config: bool "ubiattach" //config: default y //config: select PLATFORM_LINUX //config: help //config: Attach MTD device to an UBI device. //config: //config:config UBIDETACH //config: bool "ubidetach" //config: default y //config: select PLATFORM_LINUX //config: help //config: Detach MTD device from an UBI device. //config: //config:config UBIMKVOL //config: bool "ubimkvol" //config: default y //config: select PLATFORM_LINUX //config: help //config: Create a UBI volume. //config: //config:config UBIRMVOL //config: bool "ubirmvol" //config: default y //config: select PLATFORM_LINUX //config: help //config: Delete a UBI volume. //config: //config:config UBIRSVOL //config: bool "ubirsvol" //config: default y //config: select PLATFORM_LINUX //config: help //config: Resize a UBI volume. //config: //config:config UBIUPDATEVOL //config: bool "ubiupdatevol" //config: default y //config: select PLATFORM_LINUX //config: help //config: Update a UBI volume. //applet:IF_UBIATTACH(APPLET_ODDNAME(ubiattach, ubi_tools, BB_DIR_USR_SBIN, BB_SUID_DROP, ubiattach)) //applet:IF_UBIDETACH(APPLET_ODDNAME(ubidetach, ubi_tools, BB_DIR_USR_SBIN, BB_SUID_DROP, ubidetach)) //applet:IF_UBIMKVOL(APPLET_ODDNAME(ubimkvol, ubi_tools, BB_DIR_USR_SBIN, BB_SUID_DROP, ubimkvol)) //applet:IF_UBIRMVOL(APPLET_ODDNAME(ubirmvol, ubi_tools, BB_DIR_USR_SBIN, BB_SUID_DROP, ubirmvol)) //applet:IF_UBIRSVOL(APPLET_ODDNAME(ubirsvol, ubi_tools, BB_DIR_USR_SBIN, BB_SUID_DROP, ubirsvol)) //applet:IF_UBIUPDATEVOL(APPLET_ODDNAME(ubiupdatevol, ubi_tools, BB_DIR_USR_SBIN, BB_SUID_DROP, ubiupdatevol)) //kbuild:lib-$(CONFIG_UBIATTACH) += ubi_tools.o //kbuild:lib-$(CONFIG_UBIDETACH) += ubi_tools.o //kbuild:lib-$(CONFIG_UBIMKVOL) += ubi_tools.o //kbuild:lib-$(CONFIG_UBIRMVOL) += ubi_tools.o //kbuild:lib-$(CONFIG_UBIRSVOL) += ubi_tools.o //kbuild:lib-$(CONFIG_UBIUPDATEVOL) += ubi_tools.o #include "libbb.h" /* Some versions of kernel have broken headers, need this hack */ #ifndef __packed # define __packed __attribute__((packed)) #endif #include <mtd/ubi-user.h> #define OPTION_M (1 << 0) #define OPTION_D (1 << 1) #define OPTION_n (1 << 2) #define OPTION_N (1 << 3) #define OPTION_s (1 << 4) #define OPTION_a (1 << 5) #define OPTION_t (1 << 6) #define do_attach (ENABLE_UBIATTACH && applet_name[3] == 'a') #define do_detach (ENABLE_UBIDETACH && applet_name[3] == 'd') #define do_mkvol (ENABLE_UBIMKVOL && applet_name[3] == 'm') #define do_rmvol (ENABLE_UBIRMVOL && applet_name[4] == 'm') #define do_rsvol (ENABLE_UBIRSVOL && applet_name[4] == 's') #define do_update (ENABLE_UBIUPDATEVOL && applet_name[3] == 'u') //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: "\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: "\n -d UBI_NUM UBI device number" //usage: //usage:#define ubimkvol_trivial_usage //usage: "UBI_DEVICE -N NAME -s SIZE" //usage:#define ubimkvol_full_usage "\n\n" //usage: "Create UBI volume\n" //usage: "\n -a ALIGNMENT Volume alignment (default 1)" //usage: "\n -n VOLID Volume ID, if not specified, it" //usage: "\n will be assigned automatically" //usage: "\n -N NAME Volume name" //usage: "\n -s SIZE Size in bytes" //usage: "\n -t TYPE Volume type (static|dynamic)" //usage: //usage:#define ubirmvol_trivial_usage //usage: "UBI_DEVICE -n VOLID" //usage:#define ubirmvol_full_usage "\n\n" //usage: "Remove UBI volume\n" //usage: "\n -n VOLID Volume ID" //usage: //usage:#define ubirsvol_trivial_usage //usage: "UBI_DEVICE -n VOLID -s SIZE" //usage:#define ubirsvol_full_usage "\n\n" //usage: "Resize UBI volume\n" //usage: "\n -n VOLID Volume ID to resize" //usage: "\n -s SIZE Size in bytes" //usage: //usage:#define ubiupdatevol_trivial_usage //usage: "UBI_DEVICE [IMG_FILE]" //usage:#define ubiupdatevol_full_usage "\n\n" //usage: "Update UBI volume\n" //usage: "\n -t Truncate UBI volume" //usage: "\n -s SIZE Bytes in input (if reading stdin)" int ubi_tools_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; int ubi_tools_main(int argc UNUSED_PARAM, char **argv) { unsigned opts; char *ubi_ctrl; //struct stat st; int fd; int mtd_num; int dev_num = UBI_DEV_NUM_AUTO; int vol_id = UBI_VOL_NUM_AUTO; char *vol_name = NULL; int size_bytes; int alignment = 1; char *type = NULL; opt_complementary = "-1:m+:d+:n+:s+:a+"; opts = getopt32(argv, "m:d:n:N:s:a:t::", &mtd_num, &dev_num, &vol_id, &vol_name, &size_bytes, &alignment, &type ); ubi_ctrl = argv[optind]; fd = xopen(ubi_ctrl, O_RDWR); //xfstat(fd, &st, ubi_ctrl); //if (!S_ISCHR(st.st_mode)) // bb_error_msg_and_die("%s: not a char device", ubi_ctrl); if (do_attach) { struct ubi_attach_req req; 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 if (do_detach) { if (!(opts & OPTION_D)) bb_error_msg_and_die("%s device not specified", "UBI"); xioctl(fd, UBI_IOCDET, &dev_num); } else if (do_mkvol) { struct ubi_mkvol_req req; int vol_name_len; if (!(opts & OPTION_s)) bb_error_msg_and_die("%s size not specified", "UBI"); if (!(opts & OPTION_N)) bb_error_msg_and_die("%s name not specified", "UBI"); vol_name_len = strlen(vol_name); if (vol_name_len > UBI_MAX_VOLUME_NAME) bb_error_msg_and_die("%s volume name too long", "UBI"); memset(&req, 0, sizeof(req)); req.vol_id = vol_id; if ((opts & OPTION_t) && type) { if (type[0] == 's') req.vol_type = UBI_STATIC_VOLUME; else req.vol_type = UBI_DYNAMIC_VOLUME; } else { req.vol_type = UBI_DYNAMIC_VOLUME; } req.alignment = alignment; req.bytes = size_bytes; strncpy(req.name, vol_name, UBI_MAX_VOLUME_NAME); req.name_len = vol_name_len; xioctl(fd, UBI_IOCMKVOL, &req); } else if (do_rmvol) { if (!(opts & OPTION_n)) bb_error_msg_and_die("%s volume id not specified", "UBI"); xioctl(fd, UBI_IOCRMVOL, &vol_id); } else if (do_rsvol) { struct ubi_rsvol_req req; if (!(opts & OPTION_s)) bb_error_msg_and_die("%s size not specified", "UBI"); if (!(opts & OPTION_n)) bb_error_msg_and_die("%s volume id not specified", "UBI"); memset(&req, 0, sizeof(req)); req.bytes = size_bytes; req.vol_id = vol_id; xioctl(fd, UBI_IOCRSVOL, &req); } else if (do_update) { long long bytes; if (opts & OPTION_t) { // truncate the volume by starting an update for size 0 bytes = 0; xioctl(fd, UBI_IOCVOLUP, &bytes); } else { struct stat st; char buf[sizeof("/sys/class/ubi/ubi%d_%d/usable_eb_size") + 2 * sizeof(int)*3]; int input_fd; unsigned ubinum, volnum; unsigned leb_size; ssize_t len; char *input_data; // Make assumption that device not is in normal format. // Removes need for scanning sysfs tree as full libubi does if (sscanf(ubi_ctrl, "/dev/ubi%u_%u", &ubinum, &volnum) != 2) bb_error_msg_and_die("%s volume node not in correct format", "UBI"); sprintf(buf, "/sys/class/ubi/ubi%u_%u/usable_eb_size", ubinum, volnum); if (open_read_close(buf, buf, sizeof(buf)) <= 0) bb_error_msg_and_die("%s could not get LEB size", "UBI"); if (sscanf(buf, "%u", &leb_size) != 1) bb_error_msg_and_die("%s could not get LEB size", "UBI"); if (opts & OPTION_s) { input_fd = 0; } else { if (!argv[optind+1]) bb_show_usage(); xstat(argv[optind+1], &st); size_bytes = st.st_size; input_fd = xopen(argv[optind+1], O_RDONLY); } bytes = size_bytes; xioctl(fd, UBI_IOCVOLUP, &bytes); input_data = xmalloc(leb_size); while ((len = full_read(input_fd, input_data, leb_size)) > 0) { xwrite(fd, input_data, len); } if (len < 0) bb_error_msg_and_die("%s volume update failed", "UBI"); if (ENABLE_FEATURE_CLEAN_UP) close(input_fd); } } if (ENABLE_FEATURE_CLEAN_UP) close(fd); return EXIT_SUCCESS; }