diff options
author | Frank Haverkamp <haver@vnet.ibm.com> | 2006-06-21 14:26:02 +0200 |
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committer | Frank Haverkamp <haver@vnet.ibm.com> | 2006-10-31 15:06:06 +0100 |
commit | 6ccd7242c4c1404dafb64cd937adc3c65ce02385 (patch) | |
tree | 5a2833912e91c6f3f0d99b72d9dede35dc9c1ae2 /ubi-utils/src/libubi_sysfs.h | |
parent | f175083413f0f94de88def865eeb65e465ded389 (diff) |
[MTD] UBI: Removed automake, autoconf, added ubi userspace headers.
Signed-off-by: Frank Haverkamp <haver@vnet.ibm.com>
Diffstat (limited to 'ubi-utils/src/libubi_sysfs.h')
-rw-r--r-- | ubi-utils/src/libubi_sysfs.h | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/ubi-utils/src/libubi_sysfs.h b/ubi-utils/src/libubi_sysfs.h new file mode 100644 index 0000000..2fb6072 --- /dev/null +++ b/ubi-utils/src/libubi_sysfs.h @@ -0,0 +1,109 @@ +/* + * 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. + */ + +/* + * UBI (Unsorted Block Images) library. + * + * Author: Artem B. Bityutskiy + */ + +/** + * sysfs_read_data - read data from a sysfs file. + * + * @file path to the file to read from + * @buf furrer where to store read data + * @len length of provided buffer @buf + * + * This function returns the number of read bytes or -1 in case of error. + */ +int sysfs_read_data(const char *file, void *buf, int len); + +/** + * sysfs_read_data_subst - form path to a sysfs file and read data from it. + * + * @patt path to the file to read from + * @buf furrer where to store read data + * @len length of provided buffer @buf + * @n number of parameters to substitute to @patt + * + * This function forms path to a sysfs file by means of substituting parameters + * to @patt and then reads @len bytes from this file and stores the read data + * to @buf. This function returns the number of read bytes or -1 in case of + * error. + */ +int sysfs_read_data_subst(const char *patt, void *buf, int len, int n, ...); + +/** + * sysfs_read_dev - read major and minor number from a sysfs file. + * + * @file path to the file to read from + * @major major number is returned here + * @minor minor number is returned here + */ +int sysfs_read_dev(const char *file, unsigned int *major, + unsigned int *minor); +/** + * sysfs_read_dev_subst - for path to a file and read major and minor number + * from it. + * + * @patt pattern of the path to the file to read from + * @major major number is returned here + * @minor minor number is returned here + * @n number of arguments to substitute + * + * This function substitures arguments to the @patt file path pattern and reads + * major and minor numbers from the resulting file. + */ +int sysfs_read_dev_subst(const char *patt, unsigned int *major, + unsigned int *minor, int n, ...); + +/** + * sysfs_read_ull_subst - form path to a sysfs file and read an unsigned long + * long value from there. + * + * @patt pattern of file path + * @num the read value is returned here + * @n number of parameters to substitute + * + * + * This function first forms the path to a sysfs file by means of substituting + * passed parameters to the @patt string, and then read an 'unsigned long long' + * value from this file. + */ +int sysfs_read_ull_subst(const char *patt, unsigned long long *num, + int n, ...); + +/** + * sysfs_read_uint_subst - the same as 'sysfs_read_uint_subst()' but reads an + * unsigned int value. + */ +int sysfs_read_uint_subst(const char *patt, unsigned int *num, + int n, ...); + +/** + * sysfs_read_ll - read a long long integer from an UBI sysfs file. + * + * @file file name from where to read + * @num the result is returned here + */ +int sysfs_read_ll(const char *file, long long *num); + +/** + * sysfs_read_int - the same as 'sysfs_read_ll()' but reads an 'int' value. + */ +int sysfs_read_int(const char *file, int *num); |