diff options
Diffstat (limited to 'ubi-utils/src/libmtd.c')
-rw-r--r-- | ubi-utils/src/libmtd.c | 142 |
1 files changed, 71 insertions, 71 deletions
diff --git a/ubi-utils/src/libmtd.c b/ubi-utils/src/libmtd.c index 011327d..3ff031c 100644 --- a/ubi-utils/src/libmtd.c +++ b/ubi-utils/src/libmtd.c @@ -157,35 +157,35 @@ static int read_major(const char *file, int *major, int *minor) /** * dev_get_major - get major and minor numbers of an MTD device. * @lib: libmtd descriptor - * @dev_num: MTD device number + * @mtd_num: MTD device number * @major: major number is returned here * @minor: minor number is returned here * * This function returns zero in case of success and %-1 in case of failure. */ -static int dev_get_major(struct libmtd *lib, int dev_num, int *major, int *minor) +static int dev_get_major(struct libmtd *lib, int mtd_num, int *major, int *minor) { char file[strlen(lib->mtd_dev) + 50]; - sprintf(file, lib->mtd_dev, dev_num); + sprintf(file, lib->mtd_dev, mtd_num); return read_major(file, major, minor); } /** * dev_read_data - read data from an MTD device's sysfs file. * @patt: file pattern to read from - * @dev_num: MTD device number + * @mtd_num: MTD device number * @buf: buffer to read to * @buf_len: buffer length * * This function returns number of read bytes in case of success and %-1 in * case of failure. */ -static int dev_read_data(const char *patt, int dev_num, void *buf, int buf_len) +static int dev_read_data(const char *patt, int mtd_num, void *buf, int buf_len) { char file[strlen(patt) + 100]; - sprintf(file, patt, dev_num); + sprintf(file, patt, mtd_num); return read_data(file, buf, buf_len); } @@ -349,48 +349,48 @@ static int read_pos_int(const char *file, int *value) /** * dev_read_hex_int - read an hex 'int' value from an MTD device sysfs file. * @patt: file pattern to read from - * @dev_num: MTD device number + * @mtd_num: MTD device number * @value: the result is stored here * * This function returns %0 in case of success and %-1 in case of failure. */ -static int dev_read_hex_int(const char *patt, int dev_num, int *value) +static int dev_read_hex_int(const char *patt, int mtd_num, int *value) { char file[strlen(patt) + 50]; - sprintf(file, patt, dev_num); + sprintf(file, patt, mtd_num); return read_hex_int(file, value); } /** * dev_read_pos_int - read a positive 'int' value from an MTD device sysfs file. * @patt: file pattern to read from - * @dev_num: MTD device number + * @mtd_num: MTD device number * @value: the result is stored here * * This function returns %0 in case of success and %-1 in case of failure. */ -static int dev_read_pos_int(const char *patt, int dev_num, int *value) +static int dev_read_pos_int(const char *patt, int mtd_num, int *value) { char file[strlen(patt) + 50]; - sprintf(file, patt, dev_num); + sprintf(file, patt, mtd_num); return read_pos_int(file, value); } /** * dev_read_pos_ll - read a positive 'long long' value from an MTD device sysfs file. * @patt: file pattern to read from - * @dev_num: MTD device number + * @mtd_num: MTD device number * @value: the result is stored here * * This function returns %0 in case of success and %-1 in case of failure. */ -static int dev_read_pos_ll(const char *patt, int dev_num, long long *value) +static int dev_read_pos_ll(const char *patt, int mtd_num, long long *value) { char file[strlen(patt) + 50]; - sprintf(file, patt, dev_num); + sprintf(file, patt, mtd_num); return read_pos_ll(file, value); } @@ -424,11 +424,11 @@ static int type_str2int(const char *str) * dev_node2num - find UBI device number by its character device node. * @lib: MTD library descriptor * @node: name of the MTD device node - * @dev_num: MTD device number is returned here + * @mtd_num: MTD device number is returned here * * This function returns %0 in case of success and %-1 in case of failure. */ -static int dev_node2num(struct libmtd *lib, const char *node, int *dev_num) +static int dev_node2num(struct libmtd *lib, const char *node, int *mtd_num) { struct stat st; int i, major, minor; @@ -449,7 +449,7 @@ static int dev_node2num(struct libmtd *lib, const char *node, int *dev_num) if (mtd_get_info((libmtd_t *)lib, &info)) return -1; - for (i = info.lowest_dev_num; i <= info.highest_dev_num; i++) { + for (i = info.lowest_mtd_num; i <= info.highest_mtd_num; i++) { int major1, minor1, ret; ret = dev_get_major(lib, i, &major1, &minor1); @@ -463,7 +463,7 @@ static int dev_node2num(struct libmtd *lib, const char *node, int *dev_num) if (major1 == major && minor1 == minor) { errno = 0; - *dev_num = i; + *mtd_num = i; return 0; } } @@ -508,7 +508,7 @@ static int sysfs_is_supported(struct libmtd *lib) * may be, for example, mtd1 but no mtd0. */ while (1) { - int ret, dev_num; + int ret, mtd_num; char tmp_buf[256]; struct dirent *dirent; @@ -525,9 +525,9 @@ static int sysfs_is_supported(struct libmtd *lib) } ret = sscanf(dirent->d_name, MTD_NAME_PATT"%s", - &dev_num, tmp_buf); + &mtd_num, tmp_buf); if (ret == 1) { - num = dev_num; + num = mtd_num; break; } } @@ -669,9 +669,9 @@ int mtd_get_info(libmtd_t desc, struct mtd_info *info) return sys_errmsg("cannot open \"%s\"", lib->sysfs_mtd); } - info->lowest_dev_num = INT_MAX; + info->lowest_mtd_num = INT_MAX; while (1) { - int dev_num, ret; + int mtd_num, ret; char tmp_buf[256]; errno = 0; @@ -687,13 +687,13 @@ int mtd_get_info(libmtd_t desc, struct mtd_info *info) } ret = sscanf(dirent->d_name, MTD_NAME_PATT"%s", - &dev_num, tmp_buf); + &mtd_num, tmp_buf); if (ret == 1) { - info->dev_count += 1; - if (dev_num > info->highest_dev_num) - info->highest_dev_num = dev_num; - if (dev_num < info->lowest_dev_num) - info->lowest_dev_num = dev_num; + info->mtd_dev_cnt += 1; + if (mtd_num > info->highest_mtd_num) + info->highest_mtd_num = mtd_num; + if (mtd_num < info->lowest_mtd_num) + info->lowest_mtd_num = mtd_num; } } @@ -705,8 +705,8 @@ int mtd_get_info(libmtd_t desc, struct mtd_info *info) if (closedir(sysfs_mtd)) return sys_errmsg("closedir failed on \"%s\"", lib->sysfs_mtd); - if (info->lowest_dev_num == INT_MAX) - info->lowest_dev_num = 0; + if (info->lowest_mtd_num == INT_MAX) + info->lowest_mtd_num = 0; return 0; @@ -715,21 +715,21 @@ out_close: return -1; } -int mtd_get_dev_info1(libmtd_t desc, int dev_num, struct mtd_dev_info *mtd) +int mtd_get_dev_info1(libmtd_t desc, int mtd_num, struct mtd_dev_info *mtd) { int ret; struct stat st; struct libmtd *lib = (struct libmtd *)desc; memset(mtd, 0, sizeof(struct mtd_dev_info)); - mtd->dev_num = dev_num; + mtd->mtd_num = mtd_num; if (!lib->sysfs_supported) - return legacy_get_dev_info1(dev_num, mtd); + return legacy_get_dev_info1(mtd_num, mtd); else { char file[strlen(lib->mtd) + 10]; - sprintf(file, lib->mtd, dev_num); + sprintf(file, lib->mtd, mtd_num); if (stat(file, &st)) { if (errno == ENOENT) errno = ENODEV; @@ -737,34 +737,34 @@ int mtd_get_dev_info1(libmtd_t desc, int dev_num, struct mtd_dev_info *mtd) } } - if (dev_get_major(lib, dev_num, &mtd->major, &mtd->minor)) + if (dev_get_major(lib, mtd_num, &mtd->major, &mtd->minor)) return -1; - ret = dev_read_data(lib->mtd_name, dev_num, &mtd->name, + ret = dev_read_data(lib->mtd_name, mtd_num, &mtd->name, MTD_NAME_MAX + 1); if (ret < 0) return -1; ((char *)mtd->name)[ret - 1] = '\0'; - ret = dev_read_data(lib->mtd_type, dev_num, &mtd->type_str, + ret = dev_read_data(lib->mtd_type, mtd_num, &mtd->type_str, MTD_TYPE_MAX + 1); if (ret < 0) return -1; ((char *)mtd->type_str)[ret - 1] = '\0'; - if (dev_read_pos_int(lib->mtd_eb_size, dev_num, &mtd->eb_size)) + if (dev_read_pos_int(lib->mtd_eb_size, mtd_num, &mtd->eb_size)) return -1; - if (dev_read_pos_ll(lib->mtd_size, dev_num, &mtd->size)) + if (dev_read_pos_ll(lib->mtd_size, mtd_num, &mtd->size)) return -1; - if (dev_read_pos_int(lib->mtd_min_io_size, dev_num, &mtd->min_io_size)) + if (dev_read_pos_int(lib->mtd_min_io_size, mtd_num, &mtd->min_io_size)) return -1; - if (dev_read_pos_int(lib->mtd_subpage_size, dev_num, &mtd->subpage_size)) + if (dev_read_pos_int(lib->mtd_subpage_size, mtd_num, &mtd->subpage_size)) return -1; - if (dev_read_pos_int(lib->mtd_oob_size, dev_num, &mtd->oob_size)) + if (dev_read_pos_int(lib->mtd_oob_size, mtd_num, &mtd->oob_size)) return -1; - if (dev_read_pos_int(lib->mtd_region_cnt, dev_num, &mtd->region_cnt)) + if (dev_read_pos_int(lib->mtd_region_cnt, mtd_num, &mtd->region_cnt)) return -1; - if (dev_read_hex_int(lib->mtd_flags, dev_num, &ret)) + if (dev_read_hex_int(lib->mtd_flags, mtd_num, &ret)) return -1; mtd->writable = !!(ret & MTD_WRITEABLE); @@ -777,16 +777,16 @@ int mtd_get_dev_info1(libmtd_t desc, int dev_num, struct mtd_dev_info *mtd) int mtd_get_dev_info(libmtd_t desc, const char *node, struct mtd_dev_info *mtd) { - int dev_num; + int mtd_num; struct libmtd *lib = (struct libmtd *)desc; if (!lib->sysfs_supported) return legacy_get_dev_info(node, mtd); - if (dev_node2num(lib, node, &dev_num)) + if (dev_node2num(lib, node, &mtd_num)) return -1; - return mtd_get_dev_info1(desc, dev_num, mtd); + return mtd_get_dev_info1(desc, mtd_num, mtd); } int mtd_erase(const struct mtd_dev_info *mtd, int fd, int eb) @@ -886,7 +886,7 @@ int mtd_is_bad(const struct mtd_dev_info *mtd, int fd, int eb) if (eb < 0 || eb >= mtd->eb_cnt) { errmsg("bad eraseblock number %d, mtd%d has %d eraseblocks", - eb, mtd->dev_num, mtd->eb_cnt); + eb, mtd->mtd_num, mtd->eb_cnt); errno = EINVAL; return -1; } @@ -898,7 +898,7 @@ int mtd_is_bad(const struct mtd_dev_info *mtd, int fd, int eb) ret = ioctl(fd, MEMGETBADBLOCK, &seek); if (ret == -1) return sys_errmsg("MEMGETBADBLOCK ioctl failed for " - "eraseblock %d (mtd%d)", eb, mtd->dev_num); + "eraseblock %d (mtd%d)", eb, mtd->mtd_num); return ret; } @@ -914,7 +914,7 @@ int mtd_mark_bad(const struct mtd_dev_info *mtd, int fd, int eb) if (eb < 0 || eb >= mtd->eb_cnt) { errmsg("bad eraseblock number %d, mtd%d has %d eraseblocks", - eb, mtd->dev_num, mtd->eb_cnt); + eb, mtd->mtd_num, mtd->eb_cnt); errno = EINVAL; return -1; } @@ -923,7 +923,7 @@ int mtd_mark_bad(const struct mtd_dev_info *mtd, int fd, int eb) ret = ioctl(fd, MEMSETBADBLOCK, &seek); if (ret == -1) return sys_errmsg("MEMSETBADBLOCK ioctl failed for " - "eraseblock %d (mtd%d)", eb, mtd->dev_num); + "eraseblock %d (mtd%d)", eb, mtd->mtd_num); return 0; } @@ -935,13 +935,13 @@ int mtd_read(const struct mtd_dev_info *mtd, int fd, int eb, int offs, if (eb < 0 || eb >= mtd->eb_cnt) { errmsg("bad eraseblock number %d, mtd%d has %d eraseblocks", - eb, mtd->dev_num, mtd->eb_cnt); + eb, mtd->mtd_num, mtd->eb_cnt); errno = EINVAL; return -1; } if (offs < 0 || offs + len > mtd->eb_size) { errmsg("bad offset %d or length %d, mtd%d eraseblock size is %d", - offs, len, mtd->dev_num, mtd->eb_size); + offs, len, mtd->mtd_num, mtd->eb_size); errno = EINVAL; return -1; } @@ -950,13 +950,13 @@ int mtd_read(const struct mtd_dev_info *mtd, int fd, int eb, int offs, seek = (off_t)eb * mtd->eb_size + offs; if (lseek(fd, seek, SEEK_SET) != seek) return sys_errmsg("cannot seek mtd%d to offset %llu", - mtd->dev_num, (unsigned long long)seek); + mtd->mtd_num, (unsigned long long)seek); while (rd < len) { ret = read(fd, buf, len); if (ret < 0) return sys_errmsg("cannot read %d bytes from mtd%d (eraseblock %d, offset %d)", - len, mtd->dev_num, eb, offs); + len, mtd->mtd_num, eb, offs); rd += ret; } @@ -971,25 +971,25 @@ int mtd_write(const struct mtd_dev_info *mtd, int fd, int eb, int offs, if (eb < 0 || eb >= mtd->eb_cnt) { errmsg("bad eraseblock number %d, mtd%d has %d eraseblocks", - eb, mtd->dev_num, mtd->eb_cnt); + eb, mtd->mtd_num, mtd->eb_cnt); errno = EINVAL; return -1; } if (offs < 0 || offs + len > mtd->eb_size) { errmsg("bad offset %d or length %d, mtd%d eraseblock size is %d", - offs, len, mtd->dev_num, mtd->eb_size); + offs, len, mtd->mtd_num, mtd->eb_size); errno = EINVAL; return -1; } if (offs % mtd->subpage_size) { errmsg("write offset %d is not aligned to mtd%d min. I/O size %d", - offs, mtd->dev_num, mtd->subpage_size); + offs, mtd->mtd_num, mtd->subpage_size); errno = EINVAL; return -1; } if (len % mtd->subpage_size) { errmsg("write length %d is not aligned to mtd%d min. I/O size %d", - len, mtd->dev_num, mtd->subpage_size); + len, mtd->mtd_num, mtd->subpage_size); errno = EINVAL; return -1; } @@ -998,12 +998,12 @@ int mtd_write(const struct mtd_dev_info *mtd, int fd, int eb, int offs, seek = (off_t)eb * mtd->eb_size + offs; if (lseek(fd, seek, SEEK_SET) != seek) return sys_errmsg("cannot seek mtd%d to offset %llu", - mtd->dev_num, (unsigned long long)seek); + mtd->mtd_num, (unsigned long long)seek); ret = write(fd, buf, len); if (ret != len) return sys_errmsg("cannot write %d bytes to mtd%d (eraseblock %d, offset %d)", - len, mtd->dev_num, eb, offs); + len, mtd->mtd_num, eb, offs); return 0; } @@ -1018,19 +1018,19 @@ int mtd_write_img(const struct mtd_dev_info *mtd, int fd, int eb, int offs, if (eb < 0 || eb >= mtd->eb_cnt) { errmsg("bad eraseblock number %d, mtd%d has %d eraseblocks", - eb, mtd->dev_num, mtd->eb_cnt); + eb, mtd->mtd_num, mtd->eb_cnt); errno = EINVAL; return -1; } if (offs < 0 || offs >= mtd->eb_size) { errmsg("bad offset %d, mtd%d eraseblock size is %d", - offs, mtd->dev_num, mtd->eb_size); + offs, mtd->mtd_num, mtd->eb_size); errno = EINVAL; return -1; } if (offs % mtd->subpage_size) { errmsg("write offset %d is not aligned to mtd%d min. I/O size %d", - offs, mtd->dev_num, mtd->subpage_size); + offs, mtd->mtd_num, mtd->subpage_size); errno = EINVAL; return -1; } @@ -1047,7 +1047,7 @@ int mtd_write_img(const struct mtd_dev_info *mtd, int fd, int eb, int offs, len = st.st_size; if (len % mtd->subpage_size) { errmsg("size of \"%s\" is %d byte, which is not aligned to " - "mtd%d min. I/O size %d", img_name, len, mtd->dev_num, + "mtd%d min. I/O size %d", img_name, len, mtd->mtd_num, mtd->subpage_size); errno = EINVAL; goto out_close; @@ -1057,7 +1057,7 @@ int mtd_write_img(const struct mtd_dev_info *mtd, int fd, int eb, int offs, errmsg("\"%s\" image size is %d bytes, mtd%d size is %d " "eraseblocks, the image does not fit if we write it " "starting from eraseblock %d, offset %d", - img_name, len, mtd->dev_num, mtd->eb_cnt, eb, offs); + img_name, len, mtd->mtd_num, mtd->eb_cnt, eb, offs); errno = EINVAL; goto out_close; } @@ -1066,7 +1066,7 @@ int mtd_write_img(const struct mtd_dev_info *mtd, int fd, int eb, int offs, seek = (off_t)eb * mtd->eb_size + offs; if (lseek(fd, seek, SEEK_SET) != seek) { sys_errmsg("cannot seek mtd%d to offset %llu", - mtd->dev_num, (unsigned long long)seek); + mtd->mtd_num, (unsigned long long)seek); goto out_close; } @@ -1091,7 +1091,7 @@ int mtd_write_img(const struct mtd_dev_info *mtd, int fd, int eb, int offs, ret = write(fd, buf, rd); if (ret != rd) { sys_errmsg("cannot write %d bytes to mtd%d (eraseblock %d, offset %d)", - len, mtd->dev_num, eb, offs); + len, mtd->mtd_num, eb, offs); goto out_free; } @@ -1136,7 +1136,7 @@ int mtd_probe_node(libmtd_t desc, const char *node) if (!lib->sysfs_supported) return 0; - for (i = info.lowest_dev_num; i <= info.highest_dev_num; i++) { + for (i = info.lowest_mtd_num; i <= info.highest_mtd_num; i++) { int major1, minor1, ret; ret = dev_get_major(lib, i, &major1, &minor1); |