int main(int argc, char * const argv[]) { if (initial_check(argc, argv)) return 1; node = argv[1]; libubi = libubi_open(); if (libubi == NULL) { failed("libubi_open"); return 1; } if (ubi_get_dev_info(libubi, node, &dev_info)) { failed("ubi_get_dev_info"); goto close; } if (test_basic(UBI_DYNAMIC_VOLUME)) goto close; if (test_basic(UBI_STATIC_VOLUME)) goto close; if (test_rsvol(UBI_DYNAMIC_VOLUME)) goto close; if (test_rsvol(UBI_STATIC_VOLUME)) goto close; libubi_close(libubi); return 0; close: libubi_close(libubi); return 1; }
int main(int argc, char * const argv[]) { if (initial_check(argc, argv)) return 1; node = argv[1]; libubi = libubi_open(); if (libubi == NULL) { failed("libubi_open"); return 1; } if (ubi_get_dev_info(libubi, node, &dev_info)) { failed("ubi_get_dev_info"); goto close; } if (mkvol_basic()) goto close; if (mkvol_alignment()) goto close; if (mkvol_multiple()) goto close; libubi_close(libubi); return 0; close: libubi_close(libubi); return 1; }
/* * Read bootenv from ubi volume */ static int ubi_read_bootenv(uint32_t devno, uint32_t id, bootenv_t env) { libubi_t ulib; int rc = 0; char path[PATH_MAX]; FILE* fp_in = NULL; ulib = libubi_open(); if (ulib == NULL) { err_msg("Cannot allocate ubi structure\n"); return -1; } snprintf(path, PATH_MAX, DEFAULT_VOL_PATTERN, devno, id); fp_in = fopen(path, "r"); if (fp_in == NULL) { err_msg("Cannot open volume:%d number:%d\n", devno, id); goto err; } rc = bootenv_read(fp_in, env, BOOTENV_MAXSIZE); if (rc != 0) { err_msg("Cannot read volume:%d number:%d\n", devno, id); goto err; } err: if (fp_in) fclose(fp_in); libubi_close(ulib); return rc; }
/** * __initial_check - check that common prerequisites which are required to run * tests. * * @test test name * @argc count of command-line arguments * @argv command-line arguments * * This function returns %0 if all is fine and test may be run and %-1 if not. */ int __initial_check(const char *test, int argc, char * const argv[]) { libubi_t libubi; struct ubi_dev_info dev_info; /* * All tests require UBI character device name as the first parameter, * check this. */ if (argc < 2) { __err_msg(test, __FUNCTION__, __LINE__, "UBI character device node is not specified"); return -1; } libubi = libubi_open(); if (libubi == NULL) { __failed(test, __FUNCTION__, __LINE__, "libubi_open"); return -1; } if (ubi_get_dev_info(libubi, argv[1], &dev_info)) { __failed(test, __FUNCTION__, __LINE__, "ubi_get_dev_info"); goto close; } if (dev_info.avail_lebs < MIN_AVAIL_EBS) { __err_msg(test, __FUNCTION__, __LINE__, "insufficient available eraseblocks %d on UBI " "device, required %d", dev_info.avail_lebs, MIN_AVAIL_EBS); goto close; } if (dev_info.vol_count != 0) { __err_msg(test, __FUNCTION__, __LINE__, "device %s is not empty", argv[1]); goto close; } libubi_close(libubi); return 0; close: libubi_close(libubi); return -1; }
int main(int argc, char * const argv[]) { int i, ret; pthread_t threads[THREADS_NUM]; if (initial_check(argc, argv)) return 1; node = argv[1]; libubi = libubi_open(); if (libubi == NULL) { failed("libubi_open"); return 1; } if (ubi_get_dev_info(libubi, node, &dev_info)) { failed("ubi_get_dev_info"); goto close; } for (i = 0; i < THREADS_NUM; i++) { ret = pthread_create(&threads[i], NULL, &the_thread, (void*)(long)i); if (ret) { failed("pthread_create"); goto close; } } for (i = 0; i < THREADS_NUM; i++) pthread_join(threads[i], NULL); libubi_close(libubi); return 0; close: libubi_close(libubi); return 1; }
/* * Read bootenv from ubi volume */ static int ubi_write_bootenv(uint32_t devno, uint32_t id, bootenv_t env) { libubi_t ulib; int rc = 0; char path[PATH_MAX]; FILE* fp_out = NULL; size_t nbytes; rc = bootenv_size(env, &nbytes); if (rc) { err_msg("Cannot determine size of bootenv structure\n"); return rc; } ulib = libubi_open(); if (ulib == NULL) { err_msg("Cannot allocate ubi structure\n"); return rc; } snprintf(path, PATH_MAX, DEFAULT_VOL_PATTERN, devno, id); fp_out = fopen(path, "r+"); if (fp_out == NULL) { err_msg("Cannot fopen volume:%d number:%d\n", devno, id); rc = -EBADF; goto err; } rc = ubi_update_start(ulib, fileno(fp_out), nbytes); if (rc != 0) { err_msg("Cannot start update for %s\n", path); goto err; } rc = bootenv_write(fp_out, env); if (rc != 0) { err_msg("Cannot write bootenv to volume %d number:%d\n", devno, id); goto err; } err: if( fp_out ) fclose(fp_out); libubi_close(ulib); return rc; }
int main(int argc, char * const argv[]) { int err, verbose; libmtd_t libmtd; struct mtd_info mtd_info; struct mtd_dev_info mtd; libubi_t libubi; struct ubigen_info ui; struct ubi_scan_info *si; libmtd = libmtd_open(); if (!libmtd) return errmsg("MTD subsystem is not present"); err = parse_opt(argc, argv); if (err) goto out_close_mtd; err = mtd_get_info(libmtd, &mtd_info); if (err) { if (errno == ENODEV) errmsg("MTD is not present"); sys_errmsg("cannot get MTD information"); goto out_close_mtd; } err = mtd_get_dev_info(libmtd, args.node, &mtd); if (err) { sys_errmsg("cannot get information about \"%s\"", args.node); goto out_close_mtd; } if (!is_power_of_2(mtd.min_io_size)) { errmsg("min. I/O size is %d, but should be power of 2", mtd.min_io_size); goto out_close; } if (!mtd_info.sysfs_supported) { /* * Linux kernels older than 2.6.30 did not support sysfs * interface, and it is impossible to find out sub-page * size in these kernels. This is why users should * provide -s option. */ if (args.subpage_size == 0) { warnmsg("your MTD system is old and it is impossible " "to detect sub-page size. Use -s to get rid " "of this warning"); normsg("assume sub-page to be %d", mtd.subpage_size); } else { mtd.subpage_size = args.subpage_size; args.manual_subpage = 1; } } else if (args.subpage_size && args.subpage_size != mtd.subpage_size) { mtd.subpage_size = args.subpage_size; args.manual_subpage = 1; } if (args.manual_subpage) { /* Do some sanity check */ if (args.subpage_size > mtd.min_io_size) { errmsg("sub-page cannot be larger than min. I/O unit"); goto out_close; } if (mtd.min_io_size % args.subpage_size) { errmsg("min. I/O unit size should be multiple of " "sub-page size"); goto out_close; } } args.node_fd = open(args.node, O_RDWR); if (args.node_fd == -1) { sys_errmsg("cannot open \"%s\"", args.node); goto out_close_mtd; } /* Validate VID header offset if it was specified */ if (args.vid_hdr_offs != 0) { if (args.vid_hdr_offs % 8) { errmsg("VID header offset has to be multiple of min. I/O unit size"); goto out_close; } if (args.vid_hdr_offs + (int)UBI_VID_HDR_SIZE > mtd.eb_size) { errmsg("bad VID header offset"); goto out_close; } } if (!mtd.writable) { errmsg("mtd%d (%s) is a read-only device", mtd.mtd_num, args.node); goto out_close; } /* Make sure this MTD device is not attached to UBI */ libubi = libubi_open(); if (libubi) { int ubi_dev_num; err = mtd_num2ubi_dev(libubi, mtd.mtd_num, &ubi_dev_num); libubi_close(libubi); if (!err) { errmsg("please, first detach mtd%d (%s) from ubi%d", mtd.mtd_num, args.node, ubi_dev_num); goto out_close; } } if (!args.quiet) { normsg_cont("mtd%d (%s), size ", mtd.mtd_num, mtd.type_str); ubiutils_print_bytes(mtd.size, 1); printf(", %d eraseblocks of ", mtd.eb_cnt); ubiutils_print_bytes(mtd.eb_size, 1); printf(", min. I/O size %d bytes\n", mtd.min_io_size); } if (args.quiet) verbose = 0; else if (args.verbose) verbose = 2; else verbose = 1; err = ubi_scan(&mtd, args.node_fd, &si, verbose); if (err) { errmsg("failed to scan mtd%d (%s)", mtd.mtd_num, args.node); goto out_close; } if (si->good_cnt == 0) { errmsg("all %d eraseblocks are bad", si->bad_cnt); goto out_free; } if (si->good_cnt < 2 && (!args.novtbl || args.image)) { errmsg("too few non-bad eraseblocks (%d) on mtd%d", si->good_cnt, mtd.mtd_num); goto out_free; } if (!args.quiet) { if (si->ok_cnt) normsg("%d eraseblocks have valid erase counter, mean value is %lld", si->ok_cnt, si->mean_ec); if (si->empty_cnt) normsg("%d eraseblocks are supposedly empty", si->empty_cnt); if (si->corrupted_cnt) normsg("%d corrupted erase counters", si->corrupted_cnt); print_bad_eraseblocks(&mtd, si); } if (si->alien_cnt) { if (!args.yes || !args.quiet) warnmsg("%d of %d eraseblocks contain non-ubifs data", si->alien_cnt, si->good_cnt); if (!args.yes && want_exit()) { if (args.yes && !args.quiet) printf("yes\n"); goto out_free; } } if (!args.override_ec && si->empty_cnt < si->good_cnt) { int percent = ((double)si->ok_cnt)/si->good_cnt * 100; /* * Make sure the majority of eraseblocks have valid * erase counters. */ if (percent < 50) { if (!args.yes || !args.quiet) warnmsg("only %d of %d eraseblocks have valid erase counter", si->ok_cnt, si->good_cnt); normsg("erase counter 0 will be used for all eraseblocks"); normsg("note, arbitrary erase counter value may be specified using -e option"); if (!args.yes && want_exit()) { if (args.yes && !args.quiet) printf("yes\n"); goto out_free; } args.ec = 0; args.override_ec = 1; } else if (percent < 95) { if (!args.yes || !args.quiet) warnmsg("only %d of %d eraseblocks have valid erase counter", si->ok_cnt, si->good_cnt); normsg("mean erase counter %lld will be used for the rest of eraseblock", si->mean_ec); if (!args.yes && want_exit()) { if (args.yes && !args.quiet) printf("yes\n"); goto out_free; } args.ec = si->mean_ec; args.override_ec = 1; } } if (!args.quiet && args.override_ec) normsg("use erase counter %lld for all eraseblocks", args.ec); ubigen_info_init(&ui, mtd.eb_size, mtd.min_io_size, mtd.subpage_size, args.vid_hdr_offs, args.ubi_ver, args.image_seq); if (si->vid_hdr_offs != -1 && ui.vid_hdr_offs != si->vid_hdr_offs) { /* * Hmm, what we read from flash and what we calculated using * min. I/O unit size and sub-page size differs. */ if (!args.yes || !args.quiet) { warnmsg("VID header and data offsets on flash are %d and %d, " "which is different to requested offsets %d and %d", si->vid_hdr_offs, si->data_offs, ui.vid_hdr_offs, ui.data_offs); normsg_cont("use new offsets %d and %d? (yes/no) ", ui.vid_hdr_offs, ui.data_offs); } if (args.yes || answer_is_yes()) { if (args.yes && !args.quiet) printf("yes\n"); } else ubigen_info_init(&ui, mtd.eb_size, mtd.min_io_size, 0, si->vid_hdr_offs, args.ubi_ver, args.image_seq); normsg("use offsets %d and %d", ui.vid_hdr_offs, ui.data_offs); } if (args.image) { err = flash_image(libmtd, &mtd, &ui, si); if (err < 0) goto out_free; err = format(libmtd, &mtd, &ui, si, err, 1); if (err) goto out_free; } else { err = format(libmtd, &mtd, &ui, si, 0, args.novtbl); if (err) goto out_free; } ubi_scan_free(si); close(args.node_fd); libmtd_close(libmtd); return 0; out_free: ubi_scan_free(si); out_close: close(args.node_fd); out_close_mtd: libmtd_close(libmtd); return -1; }
int main(int argc, char * const argv[]) { int i, ret; pthread_t threads[THREADS_NUM]; struct ubi_mkvol_request req; long long mem_limit; if (initial_check(argc, argv)) return 1; node = argv[1]; libubi = libubi_open(); if (libubi == NULL) { failed("libubi_open"); return 1; } if (ubi_get_dev_info(libubi, node, &dev_info)) { failed("ubi_get_dev_info"); goto close; } req.alignment = 1; mem_limit = memory_limit(); if (mem_limit && mem_limit < dev_info.avail_bytes) total_bytes = req.bytes = (mem_limit / dev_info.eb_size / THREADS_NUM) * dev_info.eb_size; else total_bytes = req.bytes = ((dev_info.avail_ebs - 3) / THREADS_NUM) * dev_info.eb_size; for (i = 0; i < THREADS_NUM; i++) { char name[100]; req.vol_id = i; sprintf(&name[0], TESTNAME":%d", i); req.name = &name[0]; req.vol_type = (i & 1) ? UBI_STATIC_VOLUME : UBI_DYNAMIC_VOLUME; if (ubi_mkvol(libubi, node, &req)) { failed("ubi_mkvol"); goto remove; } } /* Create one volume with static data to make WL work more */ req.vol_id = THREADS_NUM; req.name = TESTNAME ":static"; req.vol_type = UBI_DYNAMIC_VOLUME; req.bytes = 3*dev_info.eb_size; if (ubi_mkvol(libubi, node, &req)) { failed("ubi_mkvol"); goto remove; } for (i = 0; i < THREADS_NUM; i++) { ret = pthread_create(&threads[i], NULL, &the_thread, (void*)i); if (ret) { failed("pthread_create"); goto remove; } } for (i = 0; i < THREADS_NUM; i++) pthread_join(threads[i], NULL); for (i = 0; i <= THREADS_NUM; i++) { if (ubi_rmvol(libubi, node, i)) { failed("ubi_rmvol"); goto remove; } } libubi_close(libubi); return 0; remove: for (i = 0; i <= THREADS_NUM; i++) ubi_rmvol(libubi, node, i); close: libubi_close(libubi); return 1; }
libubi_t libubi_open(int required) { int fd, version; struct libubi *lib; lib = calloc(1, sizeof(struct libubi)); if (!lib) return NULL; /* TODO: this must be discovered instead */ lib->sysfs = strdup("/sys"); if (!lib->sysfs) goto out_error; lib->sysfs_ctrl = mkpath(lib->sysfs, SYSFS_CTRL); if (!lib->sysfs_ctrl) goto out_error; lib->ctrl_dev = mkpath(lib->sysfs_ctrl, CTRL_DEV); if (!lib->ctrl_dev) goto out_error; lib->sysfs_ubi = mkpath(lib->sysfs, SYSFS_UBI); if (!lib->sysfs_ubi) goto out_error; /* Make sure UBI is present */ fd = open(lib->sysfs_ubi, O_RDONLY); if (fd == -1) { if (required) errmsg("cannot open \"%s\", UBI does not seem to " "exist in system", lib->sysfs_ubi); goto out_error; } if (close(fd)) { sys_errmsg("close failed on \"%s\"", lib->sysfs_ubi); goto out_error; } lib->ubi_dev = mkpath(lib->sysfs_ubi, UBI_DEV_NAME_PATT); if (!lib->ubi_dev) goto out_error; lib->ubi_version = mkpath(lib->sysfs_ubi, UBI_VER); if (!lib->ubi_version) goto out_error; lib->dev_dev = mkpath(lib->ubi_dev, DEV_DEV); if (!lib->dev_dev) goto out_error; lib->dev_avail_ebs = mkpath(lib->ubi_dev, DEV_AVAIL_EBS); if (!lib->dev_avail_ebs) goto out_error; lib->dev_total_ebs = mkpath(lib->ubi_dev, DEV_TOTAL_EBS); if (!lib->dev_total_ebs) goto out_error; lib->dev_bad_count = mkpath(lib->ubi_dev, DEV_BAD_COUNT); if (!lib->dev_bad_count) goto out_error; lib->dev_eb_size = mkpath(lib->ubi_dev, DEV_EB_SIZE); if (!lib->dev_eb_size) goto out_error; lib->dev_max_ec = mkpath(lib->ubi_dev, DEV_MAX_EC); if (!lib->dev_max_ec) goto out_error; lib->dev_bad_rsvd = mkpath(lib->ubi_dev, DEV_MAX_RSVD); if (!lib->dev_bad_rsvd) goto out_error; lib->dev_max_vols = mkpath(lib->ubi_dev, DEV_MAX_VOLS); if (!lib->dev_max_vols) goto out_error; lib->dev_min_io_size = mkpath(lib->ubi_dev, DEV_MIN_IO_SIZE); if (!lib->dev_min_io_size) goto out_error; lib->dev_mtd_num = mkpath(lib->ubi_dev, DEV_MTD_NUM); if (!lib->dev_mtd_num) goto out_error; lib->ubi_vol = mkpath(lib->sysfs_ubi, UBI_VOL_NAME_PATT); if (!lib->ubi_vol) goto out_error; lib->vol_type = mkpath(lib->ubi_vol, VOL_TYPE); if (!lib->vol_type) goto out_error; lib->vol_dev = mkpath(lib->ubi_vol, VOL_DEV); if (!lib->vol_dev) goto out_error; lib->vol_alignment = mkpath(lib->ubi_vol, VOL_ALIGNMENT); if (!lib->vol_alignment) goto out_error; lib->vol_data_bytes = mkpath(lib->ubi_vol, VOL_DATA_BYTES); if (!lib->vol_data_bytes) goto out_error; lib->vol_rsvd_ebs = mkpath(lib->ubi_vol, VOL_RSVD_EBS); if (!lib->vol_rsvd_ebs) goto out_error; lib->vol_eb_size = mkpath(lib->ubi_vol, VOL_EB_SIZE); if (!lib->vol_eb_size) goto out_error; lib->vol_corrupted = mkpath(lib->ubi_vol, VOL_CORRUPTED); if (!lib->vol_corrupted) goto out_error; lib->vol_name = mkpath(lib->ubi_vol, VOL_NAME); if (!lib->vol_name) goto out_error; if (read_positive_int(lib->ubi_version, &version)) goto out_error; if (version != LIBUBI_UBI_VERSION) { errmsg("this library was made for UBI version %d, but UBI " "version %d is detected\n", LIBUBI_UBI_VERSION, version); goto out_error; } return lib; out_error: libubi_close((libubi_t)lib); return NULL; }
int main(int argc, char * const argv[]) { int err, verbose; struct mtd_info mtd; libubi_t libubi; struct ubigen_info ui; struct ubi_scan_info *si; err = parse_opt(argc, argv); if (err) return -1; err = mtd_get_info(args.node, &mtd); if (err) return errmsg("cannot get information about \"%s\"", args.node); if (args.subpage_size == 0) args.subpage_size = mtd.min_io_size; else { if (args.subpage_size > mtd.min_io_size) { errmsg("sub-page cannot be larger than min. I/O unit"); goto out_close; } if (mtd.min_io_size % args.subpage_size) { errmsg("min. I/O unit size should be multiple of sub-page size"); goto out_close; } } /* Validate VID header offset if it was specified */ if (args.vid_hdr_offs != 0) { if (args.vid_hdr_offs % 8) { errmsg("VID header offset has to be multiple of min. I/O unit size"); goto out_close; } if (args.vid_hdr_offs + UBI_VID_HDR_SIZE > mtd.eb_size) { errmsg("bad VID header offset"); goto out_close; } } /* * Because of MTD interface limitations 'mtd_get_info()' cannot get * sub-page so we force the user to pass it via the command line. Let's * hope the user passed us something sane. */ mtd.subpage_size = args.subpage_size; if (mtd.rdonly) { errmsg("mtd%d (%s) is a read-only device", mtd.num, args.node); goto out_close; } /* Make sure this MTD device is not attached to UBI */ libubi = libubi_open(0); if (libubi) { int ubi_dev_num; err = mtd_num2ubi_dev(libubi, mtd.num, &ubi_dev_num); libubi_close(libubi); if (!err) { errmsg("please, first detach mtd%d (%s) from ubi%d", mtd.num, args.node, ubi_dev_num); goto out_close; } } if (!args.quiet) { normsg_cont("mtd%d (%s), size ", mtd.num, mtd.type_str); ubiutils_print_bytes(mtd.size, 1); printf(", %d eraseblocks of ", mtd.eb_size); ubiutils_print_bytes(mtd.eb_size, 1); printf(", min. I/O size %d bytes\n", mtd.min_io_size); } if (args.quiet) verbose = 0; else if (args.verbose) verbose = 2; else verbose = 1; err = ubi_scan(&mtd, &si, verbose); if (err) { errmsg("failed to scan mtd%d (%s)", mtd.num, args.node); goto out_close; } if (si->good_cnt == 0) { errmsg("all %d eraseblocks are bad", si->bad_cnt); goto out_free; } if (si->good_cnt < 2 && (!args.novtbl || args.image)) { errmsg("too few non-bad eraseblocks (%d) on mtd%d", si->good_cnt, mtd.num); goto out_free; } if (!args.quiet) { if (si->ok_cnt) normsg("%d eraseblocks have valid erase counter, mean value is %lld", si->ok_cnt, si->mean_ec); if (si->empty_cnt) normsg("%d eraseblocks are supposedly empty", si->empty_cnt); if (si->corrupted_cnt) normsg("%d corrupted erase counters", si->corrupted_cnt); print_bad_eraseblocks(&mtd, si); } if (si->alien_cnt) { if (!args.yes || !args.quiet) warnmsg("%d of %d eraseblocks contain non-ubifs data", si->alien_cnt, si->good_cnt); if (!args.yes && want_exit()) { if (args.yes && !args.quiet) printf("yes\n"); goto out_free; } } if (!args.override_ec && si->empty_cnt < si->good_cnt) { int percent = ((double)si->ok_cnt)/si->good_cnt * 100; /* * Make sure the majority of eraseblocks have valid * erase counters. */ if (percent < 50) { if (!args.yes || !args.quiet) warnmsg("only %d of %d eraseblocks have valid erase counter", si->ok_cnt, si->good_cnt); normsg("erase counter 0 will be used for all eraseblocks"); normsg("note, arbitrary erase counter value may be specified using -e option"); if (!args.yes && want_exit()) { if (args.yes && !args.quiet) printf("yes\n"); goto out_free; } args.ec = 0; args.override_ec = 1; } else if (percent < 95) { if (!args.yes || !args.quiet) warnmsg("only %d of %d eraseblocks have valid erase counter", si->ok_cnt, si->good_cnt); normsg("mean erase counter %lld will be used for the rest of eraseblock", si->mean_ec); if (!args.yes && want_exit()) { if (args.yes && !args.quiet) printf("yes\n"); goto out_free; } args.ec = si->mean_ec; args.override_ec = 1; } } if (!args.quiet && args.override_ec) normsg("use erase counter %lld for all eraseblocks", args.ec); ubigen_info_init(&ui, mtd.eb_size, mtd.min_io_size, args.subpage_size, args.vid_hdr_offs, args.ubi_ver); if (si->vid_hdr_offs != -1 && ui.vid_hdr_offs != si->vid_hdr_offs) { /* * Hmm, what we read from flash and what we calculated using * min. I/O unit size and sub-page size differs. */ if (!args.yes || !args.quiet) { warnmsg("VID header and data offsets on flash are %d and %d, " "which is different to calculated offsets %d and %d", si->vid_hdr_offs, si->data_offs, ui.vid_hdr_offs, ui.data_offs); normsg_cont("use new offsets %d and %d? (yes/no) ", si->vid_hdr_offs, si->data_offs); } if (args.yes || answer_is_yes()) { if (args.yes && !args.quiet) printf("yes\n"); } else { ui.vid_hdr_offs = si->vid_hdr_offs; ui.data_offs = si->data_offs; } } if (args.image) { err = flash_image(&mtd, &ui, si); if (err < 0) goto out_free; err = format(&mtd, &ui, si, err, 1); if (err) goto out_free; } else { err = format(&mtd, &ui, si, 0, args.novtbl); if (err) goto out_free; } ubi_scan_free(si); close(mtd.fd); return 0; out_free: ubi_scan_free(si); out_close: close(mtd.fd); return -1; }
int main(int argc, char * const argv[]) { int i, err; int count = 0; libubi_t libubi; struct ubi_dev_info dev_info; struct ubi_rnvol_req rnvol; const char *node; if (argc < 3 || (argc & 1) == 1) { errmsg("too few arguments"); fprintf(stderr, "%s\n", usage); return -1; } if (argc > UBI_MAX_RNVOL + 2) { errmsg("too many volumes to re-name, max. is %d", UBI_MAX_RNVOL); return -1; } node = argv[1]; libubi = libubi_open(); if (!libubi) { if (errno == 0) return errmsg("UBI is not present in the system"); return sys_errmsg("cannot open libubi"); } err = ubi_probe_node(libubi, node); if (err == 2) { errmsg("\"%s\" is an UBI volume node, not an UBI device node", node); goto out_libubi; } else if (err < 0) { if (errno == ENODEV) errmsg("\"%s\" is not an UBI device node", node); else sys_errmsg("error while probing \"%s\"", node); goto out_libubi; } err = ubi_get_dev_info(libubi, node, &dev_info); if (err == -1) { sys_errmsg("cannot get information about UBI device \"%s\"", node); goto out_libubi; } for (i = 2; i < argc; i += 2) { err = get_vol_id(libubi, &dev_info, argv[i]); if (err == -1) { errmsg("\"%s\" volume not found", argv[i]); goto out_libubi; } rnvol.ents[count].vol_id = err; rnvol.ents[count].name_len = strlen(argv[i + 1]); strcpy(rnvol.ents[count++].name, argv[i + 1]); } rnvol.count = count; err = ubi_rnvols(libubi, node, &rnvol); if (err == -1) { sys_errmsg("cannot rename volumes"); goto out_libubi; } libubi_close(libubi); return 0; out_libubi: libubi_close(libubi); return -1; }