diff options
Diffstat (limited to 'ubi-utils/tests/io_read.c')
-rw-r--r-- | ubi-utils/tests/io_read.c | 398 |
1 files changed, 0 insertions, 398 deletions
diff --git a/ubi-utils/tests/io_read.c b/ubi-utils/tests/io_read.c deleted file mode 100644 index c5d1da7..0000000 --- a/ubi-utils/tests/io_read.c +++ /dev/null @@ -1,398 +0,0 @@ -/* - * 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 - * - * Test UBI volume read. - */ - -#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 "io_basic" -#include "common.h" - -static libubi_t libubi; -static struct ubi_dev_info dev_info; -const char *node; - -static int test_static(void); -static int test_read(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_static()) - goto close; - if (test_read(UBI_DYNAMIC_VOLUME)) - goto close; - if (test_read(UBI_STATIC_VOLUME)) - goto close; - - libubi_close(libubi); - return 0; - -close: - libubi_close(libubi); - return 1; -} - -/** - * test_static - test static volume-specific features. - * - * Thus function returns %0 in case of success and %-1 in case of failure. - */ -static int test_static(void) -{ - struct ubi_mkvol_request req; - const char *name = TESTNAME ":io_basic()"; - char vol_node[strlen(UBI_VOLUME_PATTERN) + 100]; - struct ubi_vol_info vol_info; - int fd, ret; - char buf[20]; - - req.vol_id = UBI_VOL_NUM_AUTO; - req.alignment = 1; - req.bytes = dev_info.avail_bytes; - req.vol_type = UBI_STATIC_VOLUME; - req.name = name; - - 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); - - fd = open(vol_node, O_RDWR); - if (fd == -1) { - failed("open"); - err_msg("cannot open \"%s\"\n", node); - goto remove; - } - - if (ubi_get_vol_info(libubi, vol_node, &vol_info)) { - failed("ubi_get_vol_info"); - goto close; - } - - /* Make sure new static volume contains no data */ - if (vol_info.data_bytes != 0) { - err_msg("data_bytes = %lld, not zero", vol_info.data_bytes); - goto close; - } - - /* Ensure read returns EOF */ - ret = read(fd, &buf[0], 1); - if (ret < 0) { - failed("read"); - goto close; - } - if (ret != 0) { - err_msg("read data from free static volume"); - goto close; - } - - if (ubi_update_start(libubi, fd, 10)) { - failed("ubi_update_start"); - goto close; - } - - ret = write(fd, &buf[0], 10); - if (ret < 0) { - failed("write"); - goto close; - } - if (ret != 10) { - err_msg("written %d bytes", ret); - goto close; - } - - if (lseek(fd, 0, SEEK_SET) != 0) { - failed("seek"); - goto close; - } - ret = read(fd, &buf[0], 20); - if (ret < 0) { - failed("read"); - goto close; - } - if (ret != 10) { - err_msg("read %d bytes", ret); - goto close; - } - - close(fd); - if (ubi_rmvol(libubi, node, req.vol_id)) { - failed("ubi_rmvol"); - return -1; - } - - return 0; - -close: - close(fd); -remove: - ubi_rmvol(libubi, node, req.vol_id); - return -1; -} - -static int test_read1(struct ubi_vol_info *vol_info); - -/** - * test_read - test UBI volume reading from different offsets. - * - * @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_read(int type) -{ - const char *name = TESTNAME ":test_read()"; - 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_read1(&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; -} - -static int test_read2(const struct ubi_vol_info *vol_info, int len); - -static int fd; - -/* Data lengthes to test, @io - minimal I/O unit size, @s - eraseblock size */ -#define LENGTHES(io, s) \ - {1, (io), (io)+1, 2*(io), 3*(io)-1, 3*(io), \ - PAGE_SIZE-1, PAGE_SIZE-(io), 2*PAGE_SIZE, 2*PAGE_SIZE-(io), \ - (s)/2-1, (s)/2, (s)/2+1, (s)-1, (s), (s)+1, 2*(s)-(io), 2*(s), \ - 2*(s)+(io), 3*(s), 3*(s)+(io)}; - -/* - * A helper function for test_read(). - */ -static int test_read1(struct ubi_vol_info *vol_info) -{ - int i, written = 0; - char vol_node[strlen(UBI_VOLUME_PATTERN) + 100]; - int lengthes[] = LENGTHES(dev_info.min_io_size, vol_info->eb_size); - - 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; - } - - /* Write some pattern to the volume */ - if (ubi_update_start(libubi, fd, vol_info->rsvd_bytes)) { - failed("ubi_update_start"); - err_msg("bytes = %lld", vol_info->rsvd_bytes); - goto close; - } - - while (written < vol_info->rsvd_bytes) { - int i, ret; - unsigned char buf[512]; - - for (i = 0; i < 512; i++) - buf[i] = (unsigned char)(written + i); - - ret = write(fd, &buf[0], 512); - if (ret == -1) { - failed("write"); - err_msg("written = %d, ret = %d", written, ret); - goto close; - } - written += ret; - } - - close(fd); - - if (ubi_get_vol_info(libubi, vol_node, vol_info)) { - failed("ubi_get_vol_info"); - return -1; - } - - fd = open(vol_node, O_RDONLY); - if (fd == -1) { - failed("open"); - err_msg("cannot open \"%s\"\n", node); - return -1; - } - - for (i = 0; i < sizeof(lengthes)/sizeof(int); i++) { - if (test_read2(vol_info, lengthes[i])) { - err_msg("length = %d", lengthes[i]); - goto close; - } - } - - close(fd); - return 0; - -close: - close(fd); - return -1; -} - -static int test_read3(const struct ubi_vol_info *vol_info, int len, off_t off); - -/* - * Offsets to test, @io - minimal I/O unit size, @s - eraseblock size, @sz - - * volume size. - */ -#define OFFSETS(io, s, sz) \ - {0, (io)-1, (io), (io)+1, 2*(io)-1, 2*(io), 3*(io)-1, 3*(io), \ - PAGE_SIZE-1, PAGE_SIZE-(io), 2*PAGE_SIZE, 2*PAGE_SIZE-(io), \ - (s)/2-1, (s)/2, (s)/2+1, (s)-1, (s), (s)+1, 2*(s)-(io), 2*(s), \ - 2*(s)+(io), 3*(s), (sz)-(s)-1, (sz)-(io)-1, (sz)-PAGE_SIZE-1}; - -/* - * A helper function for test_read1(). - */ -static int test_read2(const struct ubi_vol_info *vol_info, int len) -{ - int i; - off_t offsets[] = OFFSETS(dev_info.min_io_size, vol_info->eb_size, - vol_info->data_bytes); - - for (i = 0; i < sizeof(offsets)/sizeof(off_t); i++) { - if (test_read3(vol_info, len, offsets[i])) { - err_msg("offset = %d", offsets[i]); - return -1; - } - } - - return 0; -} - -/* - * A helper function for test_read2(). - */ -static int test_read3(const struct ubi_vol_info *vol_info, int len, off_t off) -{ - int i, len1; - unsigned char ck_buf[len], buf[len]; - off_t new_off; - - if (off + len > vol_info->data_bytes) - len1 = vol_info->data_bytes - off; - else - len1 = len; - - if (lseek(fd, off, SEEK_SET) != off) { - failed("seek"); - err_msg("len = %d", len); - return -1; - } - if (read(fd, &buf[0], len) != len1) { - failed("read"); - err_msg("len = %d", len); - return -1; - } - - new_off = lseek(fd, 0, SEEK_CUR); - if (new_off != off + len1) { - if (new_off == -1) - failed("lseek"); - else - err_msg("read %d bytes from %lld, but resulting " - "offset is %lld", len1, (long long) off, (long long) new_off); - return -1; - } - - for (i = 0; i < len1; i++) - ck_buf[i] = (unsigned char)(off + i); - - if (memcmp(&buf[0], &ck_buf[0], len1)) { - err_msg("incorrect data read from offset %lld", - (long long)off); - err_msg("len = %d", len); - return -1; - } - - return 0; -} |