diff options
Diffstat (limited to 'ubi-utils/tests/rsvol.c')
| -rw-r--r-- | ubi-utils/tests/rsvol.c | 310 |
1 files changed, 310 insertions, 0 deletions
diff --git a/ubi-utils/tests/rsvol.c b/ubi-utils/tests/rsvol.c new file mode 100644 index 0000000..51fa069 --- /dev/null +++ b/ubi-utils/tests/rsvol.c @@ -0,0 +1,310 @@ +/* + * Copyright (c) International Business Machines Corp., 2006 + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See + * the GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + * Author: Artem B. Bityutskiy + * + * Tes UBI volume re-size. + */ + +#include <stdio.h> +#include <stdlib.h> +#include <errno.h> +#include <string.h> +#include <unistd.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> +#include "libubi.h" +#define TESTNAME "rsvol" +#include "common.h" + +static libubi_t libubi; +static struct ubi_dev_info dev_info; +const char *node; + +static int test_basic(int type); +static int test_rsvol(int type); + +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; +} + +/** + * test_basic - check volume re-size capability. + * + * @type volume type (%UBI_DYNAMIC_VOLUME or %UBI_STATIC_VOLUME) + * + * Thus function returns %0 in case of success and %-1 in case of failure. + */ +static int test_basic(int type) +{ + struct ubi_mkvol_request req; + const char *name = TESTNAME ":test_basic()"; + + req.vol_id = UBI_VOL_NUM_AUTO; + req.alignment = 1; + req.bytes = MIN_AVAIL_EBS * dev_info.eb_size; + req.vol_type = type; + req.name = name; + + if (ubi_mkvol(libubi, node, &req)) { + failed("ubi_mkvol"); + return -1; + } + + req.bytes = dev_info.eb_size; + if (ubi_rsvol(libubi, node, req.vol_id, req.bytes)) { + failed("ubi_rsvol"); + goto remove; + } + + if (check_volume(req.vol_id, &req)) + goto remove; + + req.bytes = (MIN_AVAIL_EBS + 1) * dev_info.eb_size; + if (ubi_rsvol(libubi, node, req.vol_id, req.bytes)) { + failed("ubi_rsvol"); + goto remove; + } + + if (check_volume(req.vol_id, &req)) + goto remove; + + req.bytes -= 1; + if (ubi_rsvol(libubi, node, req.vol_id, req.bytes)) { + failed("ubi_rsvol"); + goto remove; + } + + if (check_volume(req.vol_id, &req)) + goto remove; + + if (ubi_rmvol(libubi, node, req.vol_id)) { + failed("ubi_rmvol"); + return -1; + } + + return 0; + +remove: + ubi_rmvol(libubi, node, req.vol_id); + return -1; +} + +static int test_rsvol1(struct ubi_vol_info *vol_info); + +/** + * test_rsvol - test UBI volume re-size. + * + * @type volume type (%UBI_DYNAMIC_VOLUME or %UBI_STATIC_VOLUME) + * + * Thus function returns %0 in case of success and %-1 in case of failure. + */ +static int test_rsvol(int type) +{ + const char *name = TESTNAME "test_rsvol:()"; + int alignments[] = ALIGNMENTS(dev_info.eb_size); + char vol_node[strlen(UBI_VOLUME_PATTERN) + 100]; + struct ubi_mkvol_request req; + int i; + + for (i = 0; i < sizeof(alignments)/sizeof(int); i++) { + int eb_size; + struct ubi_vol_info vol_info; + + req.vol_id = UBI_VOL_NUM_AUTO; + req.vol_type = type; + req.name = name; + + req.alignment = alignments[i]; + req.alignment -= req.alignment % dev_info.min_io_size; + if (req.alignment == 0) + req.alignment = dev_info.min_io_size; + + eb_size = dev_info.eb_size - dev_info.eb_size % req.alignment; + req.bytes = MIN_AVAIL_EBS * eb_size; + + if (ubi_mkvol(libubi, node, &req)) { + failed("ubi_mkvol"); + return -1; + } + + sprintf(&vol_node[0], UBI_VOLUME_PATTERN, dev_info.dev_num, + req.vol_id); + + if (ubi_get_vol_info(libubi, vol_node, &vol_info)) { + failed("ubi_get_vol_info"); + goto remove; + } + + if (test_rsvol1(&vol_info)) { + err_msg("alignment = %d", req.alignment); + goto remove; + } + + if (ubi_rmvol(libubi, node, req.vol_id)) { + failed("ubi_rmvol"); + return -1; + } + } + + return 0; + +remove: + ubi_rmvol(libubi, node, req.vol_id); + return -1; +} + +/* + * Helper function for test_rsvol(). + */ +static int test_rsvol1(struct ubi_vol_info *vol_info) +{ + long long bytes; + struct ubi_vol_info vol_info1; + char vol_node[strlen(UBI_VOLUME_PATTERN) + 100]; + unsigned char buf[vol_info->rsvd_bytes]; + int fd, i, ret; + + /* Make the volume smaller and check basic volume I/O */ + bytes = vol_info->rsvd_bytes - vol_info->eb_size; + if (ubi_rsvol(libubi, node, vol_info->vol_id, bytes - 1)) { + failed("ubi_rsvol"); + return -1; + } + + if (ubi_get_vol_info1(libubi, vol_info->dev_num, vol_info->vol_id, + &vol_info1)) { + failed("ubi_get_vol_info"); + return -1; + } + + if (vol_info1.rsvd_bytes != bytes) { + err_msg("rsvd_bytes %lld, must be %lld", + vol_info1.rsvd_bytes, bytes); + return -1; + } + + if (vol_info1.rsvd_ebs != vol_info->rsvd_ebs - 1) { + err_msg("rsvd_ebs %d, must be %d", + vol_info1.rsvd_ebs, vol_info->rsvd_ebs - 1); + return -1; + } + + /* Write data to the volume */ + sprintf(&vol_node[0], UBI_VOLUME_PATTERN, dev_info.dev_num, + vol_info->vol_id); + + fd = open(vol_node, O_RDWR); + if (fd == -1) { + failed("open"); + err_msg("cannot open \"%s\"\n", node); + return -1; + } + + bytes = vol_info->rsvd_bytes - vol_info->eb_size - 1; + if (ubi_update_start(libubi, fd, bytes)) { + failed("ubi_update_start"); + goto close; + } + + for (i = 0; i < bytes; i++) + buf[i] = (unsigned char)i; + + ret = write(fd, &buf[0], bytes); + if (ret != bytes) { + failed("write"); + goto close; + } + + close(fd); + + if (ubi_rsvol(libubi, node, vol_info->vol_id, bytes)) { + failed("ubi_rsvol"); + return -1; + } + + if (ubi_rsvol(libubi, node, vol_info->vol_id, + vol_info->eb_size * dev_info.avail_ebs)) { + failed("ubi_rsvol"); + return -1; + } + + fd = open(vol_node, O_RDWR); + if (fd == -1) { + failed("open"); + err_msg("cannot open \"%s\"\n", node); + return -1; + } + + /* Read data back */ + if (lseek(fd, 0, SEEK_SET) != 0) { + failed("seek"); + goto close; + } + memset(&buf[0], 0, bytes); + ret = read(fd, &buf[0], bytes); + if (ret != bytes) { + failed("read"); + goto close; + } + + for (i = 0; i < bytes; i++) { + if (buf[i] != (unsigned char)i) { + err_msg("bad data"); + goto close; + } + } + + close(fd); + return 0; + +close: + close(fd); + return -1; +} |