* Re: [PATCH 3/4 try3] ubi-utils: migrate pfiflash
2007-10-02 12:16 [PATCH 0/4 try3] ubi-utils: migrate to new libubi Alexander Schmidt
2007-10-02 12:17 ` [PATCH 1/4 try3] ubi-utils: migrate pddcustomize Alexander Schmidt
2007-10-02 12:18 ` [PATCH 2/4 try3] ubi-utils: migrate ubimirror Alexander Schmidt
@ 2007-10-02 12:19 ` Alexander Schmidt
2007-10-02 12:19 ` [PATCH 4/4 try3] ubi-utils: remove libubiold Alexander Schmidt
2007-10-03 5:49 ` [PATCH 0/4 try3] ubi-utils: migrate to new libubi Artem Bityutskiy
4 siblings, 0 replies; 6+ messages in thread
From: Alexander Schmidt @ 2007-10-02 12:19 UTC (permalink / raw)
To: linux-mtd@lists.infradead.org; +Cc: Andreas Arnez, Frank Haverkamp
Migrate pfiflash to the new libubi.
Signed-off-by: Alexander Schmidt <alexs@linux.vnet.ibm.com>
---
ubi-utils/Makefile | 2
ubi-utils/src/libpfiflash.c | 141 ++++++++++++++++++++++++++++++--------------
ubi-utils/src/pfiflash.c | 3
3 files changed, 102 insertions(+), 44 deletions(-)
Index: mtd-utils/ubi-utils/Makefile
===================================================================
--- mtd-utils.orig/ubi-utils/Makefile 2007-10-02 14:00:33.000000000 +0200
+++ mtd-utils/ubi-utils/Makefile 2007-10-02 14:00:42.000000000 +0200
@@ -47,7 +47,7 @@
$(CC) $(LDFLAGS) -o $@ $^
pfiflash: pfiflash.o libpfiflash.o list.o reader.o error.o libubimirror.o \
- bootenv.o hashmap.o pfi.o libubiold.o libubiold_sysfs.o crc32.o
+ bootenv.o hashmap.o pfi.o libubi.o crc32.o
$(CC) $(LDFLAGS) -o $@ $^
ubimirror: ubimirror.o error.o libubimirror.o bootenv.o hashmap.o \
Index: mtd-utils/ubi-utils/src/libpfiflash.c
===================================================================
--- mtd-utils.orig/ubi-utils/src/libpfiflash.c 2007-10-02 13:59:41.000000000 +0200
+++ mtd-utils/ubi-utils/src/libpfiflash.c 2007-10-02 14:00:42.000000000 +0200
@@ -31,12 +31,14 @@
#include <stdio.h>
#include <errno.h>
#include <fcntl.h>
+#include <unistd.h>
#define __USE_GNU
#include <string.h>
#include <stdlib.h>
+#include <limits.h>
#include <sys/ioctl.h>
-#include <libubiold.h>
+#include <libubi.h>
#include <pfiflash.h>
#include <mtd/ubi-user.h> /* FIXME Is this ok here? */
@@ -57,6 +59,9 @@
#define COMPARE_BUFFER_SIZE 2048
+#define DEFAULT_DEV_PATTERN "/dev/ubi%d"
+#define DEFAULT_VOL_PATTERN "/dev/ubi%d_%d"
+
static const char copyright [] ubi_unused =
"Copyright International Business Machines Corp., 2006, 2007";
@@ -153,7 +158,9 @@
char *err_buf, size_t err_buf_size)
{
int rc, type;
- ubi_lib_t ulib;
+ char path[PATH_MAX];
+ libubi_t ulib;
+ struct ubi_mkvol_request req;
rc = 0;
ulib = NULL;
@@ -163,8 +170,8 @@
u->ids[s], u->size, u->data_size, u->type, u->alignment,
strnlen(u->names[s], PFI_UBI_VOL_NAME_LEN), u->names[s]);
- rc = ubi_open(&ulib);
- if (rc != 0) {
+ ulib = libubi_open();
+ if (ulib == NULL) {
rc = -PFIFLASH_ERR_UBI_OPEN;
EBUF(PFIFLASH_ERRSTR[-rc]);
goto err;
@@ -178,8 +185,15 @@
type = UBI_DYNAMIC_VOLUME;
}
- rc = ubi_mkvol(ulib, devno, u->ids[s], type, u->size, u->alignment,
- u->names[s]);
+ snprintf(path, PATH_MAX, DEFAULT_DEV_PATTERN, devno);
+
+ req.vol_id = u->ids[s];
+ req.alignment = u->alignment;
+ req.bytes = u->size;
+ req.vol_type = type;
+ req.name = u->names[s];
+
+ rc = ubi_mkvol(ulib, path, &req);
if (rc != 0) {
rc = -PFIFLASH_ERR_UBI_MKVOL;
EBUF(PFIFLASH_ERRSTR[-rc], u->ids[s]);
@@ -188,7 +202,7 @@
err:
if (ulib != NULL)
- ubi_close(&ulib);
+ libubi_close(ulib);
return rc;
}
@@ -214,34 +228,41 @@
char *err_buf, size_t err_buf_size)
{
int rc, fd;
- ubi_lib_t ulib;
+ char path[PATH_MAX];
+ libubi_t ulib;
rc = 0;
ulib = NULL;
log_msg("[ ubirmvol id=%d", id);
- rc = ubi_open(&ulib);
- if (rc != 0) {
+ ulib = libubi_open();
+ if (ulib == NULL) {
rc = -PFIFLASH_ERR_UBI_OPEN;
EBUF(PFIFLASH_ERRSTR[-rc]);
goto err;
}
+ snprintf(path, PATH_MAX, DEFAULT_VOL_PATTERN, devno, id);
+
/* truncate whether it exist or not */
- fd = ubi_vol_open(ulib, devno, id, O_RDWR);
- if (fd == -1)
+ fd = open(path, O_RDWR);
+ if (fd < 0) {
+ libubi_close(ulib);
return 0; /* not existent, return 0 */
+ }
- rc = ubi_vol_update(fd, 0);
- ubi_vol_close(fd);
+ rc = ubi_update_start(ulib, fd, 0);
+ close(fd);
if (rc < 0) {
rc = -PFIFLASH_ERR_UBI_VOL_UPDATE;
EBUF(PFIFLASH_ERRSTR[-rc], id);
goto err; /* if EBUSY than empty device, continue */
}
- rc = ubi_rmvol(ulib, devno, id);
+ snprintf(path, PATH_MAX, DEFAULT_DEV_PATTERN, devno);
+
+ rc = ubi_rmvol(ulib, path, id);
if (rc != 0) {
#ifdef DEBUG
int rc_old = rc;
@@ -266,7 +287,7 @@
err:
if (ulib != NULL)
- ubi_close(&ulib);
+ libubi_close(ulib);
return rc;
}
@@ -292,20 +313,23 @@
{
int rc;
FILE* fp_in;
- ubi_lib_t ulib;
+ char path[PATH_MAX];
+ libubi_t ulib;
rc = 0;
fp_in = NULL;
ulib = NULL;
- rc = ubi_open(&ulib);
- if (rc != 0) {
+ ulib = libubi_open();
+ if (ulib == NULL) {
rc = -PFIFLASH_ERR_UBI_OPEN;
EBUF(PFIFLASH_ERRSTR[-rc]);
goto err;
}
- fp_in = ubi_vol_fopen_read(ulib, devno, id);
+ snprintf(path, PATH_MAX, DEFAULT_VOL_PATTERN, devno, id);
+
+ fp_in = fopen(path, "r");
if (!fp_in) {
rc = -PFIFLASH_ERR_UBI_VOL_FOPEN;
EBUF(PFIFLASH_ERRSTR[-rc], id);
@@ -326,7 +350,7 @@
if (fp_in)
fclose(fp_in);
if (ulib)
- ubi_close(&ulib);
+ libubi_close(ulib);
return rc;
}
@@ -366,12 +390,13 @@
uint32_t pfi_crc,
char *err_buf, size_t err_buf_size)
{
- int rc, warnings;
+ int rc, warnings, fd_out;
uint32_t crc;
+ char path[PATH_MAX];
size_t update_size;
FILE *fp_out;
bootenv_t bootenv_new, bootenv_res;
- ubi_lib_t ulib;
+ libubi_t ulib;
rc = 0;
warnings = 0;
@@ -393,8 +418,8 @@
* 4. Write to FILE*
*/
- rc = ubi_open(&ulib);
- if (rc != 0) {
+ ulib = libubi_open();
+ if (ulib == NULL) {
rc = -PFIFLASH_ERR_UBI_OPEN;
EBUF(PFIFLASH_ERRSTR[-rc]);
goto err;
@@ -443,12 +468,26 @@
goto err;
}
- fp_out = ubi_vol_fopen_update(ulib, devno, id, update_size);
+ snprintf(path, PATH_MAX, DEFAULT_VOL_PATTERN, devno, id);
+
+ fd_out = open(path, O_RDWR);
+ if (fd_out < 0) {
+ rc = -PFIFLASH_ERR_UBI_VOL_FOPEN;
+ EBUF(PFIFLASH_ERRSTR[-rc], id);
+ goto err;
+ }
+ fp_out = fdopen(fd_out, "r+");
if (!fp_out) {
rc = -PFIFLASH_ERR_UBI_VOL_FOPEN;
EBUF(PFIFLASH_ERRSTR[-rc], id);
goto err;
}
+ rc = ubi_update_start(ulib, fd_out, update_size);
+ if (rc < 0) {
+ rc = -PFIFLASH_ERR_UBI_VOL_UPDATE;
+ EBUF(PFIFLASH_ERRSTR[-rc], id);
+ goto err;
+ }
rc = bootenv_write(fp_out, bootenv_res);
if (rc != 0) {
@@ -459,7 +498,7 @@
err:
if (ulib != NULL)
- ubi_close(&ulib);
+ libubi_close(ulib);
if (bootenv_new != NULL)
bootenv_destroy(&bootenv_new);
if (bootenv_res != NULL)
@@ -496,11 +535,12 @@
uint32_t pfi_crc,
char *err_buf, size_t err_buf_size)
{
- int rc;
+ int rc, fd_out;
uint32_t crc, crc32_table[256];
+ char path[PATH_MAX];
size_t bytes_left;
FILE* fp_out;
- ubi_lib_t ulib;
+ libubi_t ulib;
rc = 0;
crc = UBI_CRC32_INIT;
@@ -511,19 +551,33 @@
log_msg("[ ubiupdatevol id=%d, update_size=%d fp_in=%p",
id, update_size, fp_in);
- rc = ubi_open(&ulib);
- if (rc != 0) {
+ ulib = libubi_open();
+ if (ulib == NULL) {
rc = -PFIFLASH_ERR_UBI_OPEN;
EBUF(PFIFLASH_ERRSTR[-rc]);
goto err;
}
- fp_out = ubi_vol_fopen_update(ulib, devno, id, update_size);
+ snprintf(path, PATH_MAX, DEFAULT_VOL_PATTERN, devno, id);
+
+ fd_out = open(path, O_RDWR);
+ if (fd_out < 0) {
+ rc = -PFIFLASH_ERR_UBI_VOL_FOPEN;
+ EBUF(PFIFLASH_ERRSTR[-rc], id);
+ goto err;
+ }
+ fp_out = fdopen(fd_out, "r+");
if (!fp_out) {
rc = -PFIFLASH_ERR_UBI_VOL_FOPEN;
EBUF(PFIFLASH_ERRSTR[-rc], id);
goto err;
}
+ rc = ubi_update_start(ulib, fd_out, update_size);
+ if (rc < 0) {
+ rc = -PFIFLASH_ERR_UBI_VOL_UPDATE;
+ EBUF(PFIFLASH_ERRSTR[-rc], id);
+ goto err;
+ }
init_crc32_table(crc32_table);
while (bytes_left) {
@@ -554,7 +608,7 @@
if (fp_out)
fclose(fp_out);
if (ulib)
- ubi_close(&ulib);
+ libubi_close(ulib);
return rc;
}
@@ -684,11 +738,12 @@
{
int rc, is_bootenv = 0;
unsigned int i;
- ubi_lib_t ulib = NULL;
+ char path[PATH_MAX];
+ libubi_t ulib = NULL;
FILE *fp_flash[u->ids_size];
- rc = ubi_open(&ulib);
- if (rc != 0) {
+ ulib = libubi_open();
+ if (ulib == NULL) {
rc = -PFIFLASH_ERR_UBI_OPEN;
goto err;
}
@@ -698,7 +753,9 @@
u->ids[i] == EXAMPLE_BOOTENV_VOL_ID_2)
is_bootenv = 1;
- fp_flash[i] = ubi_vol_fopen_read(ulib, devno, u->ids[i]);
+ snprintf(path, PATH_MAX, DEFAULT_VOL_PATTERN, devno, u->ids[i]);
+
+ fp_flash[i] = fopen(path, "r");
if (fp_flash[i] == NULL) {
rc = -PFIFLASH_ERR_UBI_OPEN;
goto err;
@@ -718,7 +775,7 @@
for (i = 0; i < u->ids_size; i++)
fclose(fp_flash[i]);
if (ulib)
- ubi_close(&ulib);
+ libubi_close(ulib);
return rc;
}
@@ -1070,15 +1127,15 @@
uint32_t j;
list_t ptr;
pfi_ubi_t i;
- ubi_lib_t ulib;
+ libubi_t ulib;
rc = 0;
ulib = NULL;
log_msg("[ mirror ...");
- rc = ubi_open(&ulib);
- if (rc != 0) {
+ ulib = libubi_open();
+ if (ulib == NULL) {
rc = -PFIFLASH_ERR_UBI_OPEN;
EBUF(PFIFLASH_ERRSTR[-rc]);
goto err;
@@ -1118,7 +1175,7 @@
err:
if (ulib != NULL)
- ubi_close(&ulib);
+ libubi_close(ulib);
return rc;
}
Index: mtd-utils/ubi-utils/src/pfiflash.c
===================================================================
--- mtd-utils.orig/ubi-utils/src/pfiflash.c 2007-10-02 13:59:41.000000000 +0200
+++ mtd-utils/ubi-utils/src/pfiflash.c 2007-10-02 14:00:42.000000000 +0200
@@ -27,6 +27,7 @@
* 1.3 removed argp parsing to be able to use uClib.
* 1.4 Minor cleanups.
* 1.5 Forgot to delete raw block before updating it.
+ * 1.6 Migrated to new libubi.
*/
#include <unistd.h>
@@ -43,7 +44,7 @@
#include "error.h"
#include "config.h"
-#define PROGRAM_VERSION "1.5"
+#define PROGRAM_VERSION "1.6"
static char doc[] = "\nVersion: " PROGRAM_VERSION "\n"
"pfiflash - a tool for updating a controller with PFI files.\n";
^ permalink raw reply [flat|nested] 6+ messages in thread* Re: [PATCH 4/4 try3] ubi-utils: remove libubiold
2007-10-02 12:16 [PATCH 0/4 try3] ubi-utils: migrate to new libubi Alexander Schmidt
` (2 preceding siblings ...)
2007-10-02 12:19 ` [PATCH 3/4 try3] ubi-utils: migrate pfiflash Alexander Schmidt
@ 2007-10-02 12:19 ` Alexander Schmidt
2007-10-03 5:49 ` [PATCH 0/4 try3] ubi-utils: migrate to new libubi Artem Bityutskiy
4 siblings, 0 replies; 6+ messages in thread
From: Alexander Schmidt @ 2007-10-02 12:19 UTC (permalink / raw)
To: linux-mtd@lists.infradead.org; +Cc: Andreas Arnez, Frank Haverkamp
Remove the old libubi.
Signed-off-by: Alexander Schmidt <alexs@linux.vnet.ibm.com>
---
ubi-utils/inc/libubiold.h | 310 ----------------
ubi-utils/src/libubiold.c | 768 ----------------------------------------
ubi-utils/src/libubiold_int.h | 119 ------
ubi-utils/src/libubiold_sysfs.c | 232 ------------
ubi-utils/src/libubiold_sysfs.h | 109 -----
5 files changed, 1538 deletions(-)
Index: mtd-utils/ubi-utils/inc/libubiold.h
===================================================================
--- mtd-utils.orig/ubi-utils/inc/libubiold.h 2007-10-02 14:10:43.000000000 +0200
+++ /dev/null 1970-01-01 00:00:00.000000000 +0000
@@ -1,310 +0,0 @@
-#ifndef __UBI_H__
-#define __UBI_H__
-/*
- * 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.
- * @file libubi.h
- * @author Artem B. Bityutskiy
- * @author Additions: Oliver Lohmann
- * @version 1.0
- */
-
-#include <stdint.h>
-#include <mtd/ubi-user.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/**
- * @section eh Error Handling
- * The following error indication policy is used: in case of success, all
- * library functions return 0, in case of failure they either return UBI error
- * codes, or -1 if a system error occured; in the latter case the exact error
- * code has to be in the errno variable.
- *
- * @def UBI_ENOTFOUND
- * @brief UBI was not found in the system.
- * @def UBI_EBUG
- * @brief An error due to bug in kernel part of UBI in UBI library.
- * @def UBI_EINVAL
- * @brief Invalid argument.
- * @def UBI_EMACS
- * @brief Highest error value.
- */
-#define UBI_ENOTFOUND 1
-#define UBI_EBUG 2
-#define UBI_EINVAL 3
-#define UBI_EMAX 4
-
-
-/**
- * UBI library descriptor, vague for library users.
- */
-typedef struct ubi_lib *ubi_lib_t;
-
-/**
- * struct ubi_info - general information about UBI.
- *
- * @version UBI version
- * @nlen_max maximum length of names of volumes
- * @dev_count count UBI devices in the system
- */
-struct ubi_info
-{
- unsigned int version;
- unsigned int nlen_max;
- unsigned int dev_count;
-};
-
-/**
- * struct ubi_dev_info - information about an UBI device
- *
- * @wear average number of erasures of flash erasable blocks
- * @major major number of the corresponding character device
- * @minor minor number of the corresponding character device
- * @eb_size size of eraseblocks
- * @total_ebs total count of eraseblocks
- * @avail_ebs count of unused eraseblock available for new volumes
- * @vol_count total count of volumes in this UBI device
- */
-struct ubi_dev_info
-{
- unsigned long long wear;
- unsigned int major;
- unsigned int minor;
- unsigned int eb_size;
- unsigned int total_ebs;
- unsigned int avail_ebs;
- unsigned int vol_count;
-};
-
-/**
- * struct ubi_vol_info - information about an UBI volume
- *
- * @bytes volume size in bytes
- * @eraseblocks volume size in eraseblocks
- * @major major number of the corresponding character device
- * @minor minor number of the corresponding character device
- * @type volume type (%UBI_DYNAMIC_VOLUME or %UBI_STATIC_VOLUME)
- * @dev_path device path to volume
- * @name volume name
- */
-struct ubi_vol_info
-{
- unsigned long long bytes;
- unsigned int eraseblocks;
- unsigned int major;
- unsigned int minor;
- int type;
- char *dev_path;
- char *name;
-};
-
-/**
- * ubi_mkvol - create a dynamic UBI volume.
- *
- * @desc UBI library descriptor
- * @devn Number of UBI device to create new volume on
- * @vol_id volume ID to assign to the new volume
- * @vol_type volume type (%UBI_DYNAMIC_VOLUME or %UBI_STATIC_VOLUME)
- * @bytes volume size in bytes
- * @alignment volume alignment
- * @name volume name
- *
- * This function creates new UBI volume. If @vol_id is %UBI_VOLN_AUTO, then
- * volume number is assigned automatically. This function returns positive
- * volume number of the new volume in case of success or %-1 in case of
- * failure.
- */
-int ubi_mkvol(ubi_lib_t desc, int devn, int vol_id, int vol_type,
- long long bytes, int alignment, const char *name);
-
-/**
- * ubi_rmvol - remove a volume.
- *
- * @desc UBI library descriptor
- * @devn Number of UBI device to remove volume from
- * @vol_id volume ID to remove
- *
- * This function returns zero in case of success or %-1 in case of failure.
- */
-int ubi_rmvol(ubi_lib_t desc, int devn, int vol_id);
-
-/**
- * ubi_get_info - get UBI information.
- *
- * @desc UBI library descriptor
- * @ubi UBI information is returned here
- *
- * This function retrieves information about UBI and puts it to @ubi. Returns
- * zero in case of success and %-1 in case of failure.
- */
-int ubi_get_info(ubi_lib_t desc, struct ubi_info *ubi);
-
-/**
- * ubi_vol_open - open a UBI volume
- *
- * @desc UBI library descriptor
- * @devn Number of UBI device on which to open the volume
- * @vol_id Number of UBI device on which to open the volume
- * @flags Flags to pass to open()
- *
- * This function opens a UBI volume on a given UBI device. It returns
- * the file descriptor of the opened volume device. In case of an
- * error %-1 is returned and errno is set appropriately.
- */
-int ubi_vol_open(ubi_lib_t desc, int devn, int vol_id, int flags);
-
-/**
- * ubi_vol_close - close a UBI volume
- *
- * @vol_fd file descriptor of UBI volume to close
- *
- * This function closes the given UBI device.
- */
-int ubi_vol_close(int vol_fd);
-
-/**
- * ubi_vol_update - initiate volume update on a UBI volume
- * @vol_fd File descriptor of UBI volume to update
- * @bytes No. of bytes which shall be written.
- *
- * Initiates a volume update on a given volume. The caller must then
- * actually write the appropriate number of bytes to the volume by
- * calling write(). Returns 0 on success, else error.
- */
-int ubi_vol_update(int vol_fd, unsigned long long bytes);
-
-/**
- * ubi_vol_fopen_read - open a volume for reading, returning a FILE *
- * @desc UBI library descriptor
- * @devn UBI device number
- * @vol_id volume ID to read
- *
- * Opens a volume for reading. Reading itself can then be performed
- * with fread(). The stream can be closed with fclose(). Returns a
- * stream on success, else NULL.
- */
-FILE *
-ubi_vol_fopen_read(ubi_lib_t desc, int devn, uint32_t vol_id);
-
-/**
- * ubi_vol_fopen_update - open a volume for writing, returning a FILE *
- * @desc UBI library descriptor
- * @devn UBI device number
- * @vol_id volume ID to update
- * @bytes No. of bytes which shall be written.
- *
- * Initiates a volume update on a given volume. The caller must then
- * actually write the appropriate number of bytes to the volume by
- * calling fwrite(). The file can be closed with fclose(). Returns a
- * stream on success, else NULL.
- */
-FILE *
-ubi_vol_fopen_update(ubi_lib_t desc, int devn, uint32_t vol_id,
- unsigned long long bytes);
-
-/**
- * ubi_vol_get_used_bytes - determine used bytes in a UBI volume
- * @vol_fd File descriptor of UBI volume
- * @bytes Pointer to result
- *
- * Returns 0 on success, else error.
- */
-int ubi_vol_get_used_bytes(int vol_fd, unsigned long long *bytes);
-
-/**
- * ubi_open - open UBI library.
- *
- * @desc A pointer to an UBI library descriptor
- *
- * Returns zero in case of success.
- */
-int ubi_open(ubi_lib_t *desc);
-
-/**
- * ubi_close - close UBI library.
- *
- * @desc A pointer to an UBI library descriptor
- */
-int ubi_close(ubi_lib_t *desc);
-
-
-/**
- * ubi_perror - print UBI error.
- *
- * @prefix a prefix string to prepend to the error message
- * @code error code
- *
- * If @code is %-1, this function calls 'perror()'
- */
-void ubi_perror(const char *prefix, int code);
-
-/**
- * ubi_set_cdev_pattern - set 'sprintf()'-like pattern of paths to UBI
- * character devices.
- *
- * @desc UBI library descriptor
- * @pattern the pattern to set
- *
- * The default UBI character device path is "/dev/ubi%u".
- */
-int ubi_set_cdev_pattern(ubi_lib_t desc, const char *pattern);
-
-/**
- * ubi_get_dev_info get information about an UBI device.
- *
- * @desc UBI library descriptor
- * @devn UBI device number
- * @di the requested information is returned here
- */
-int ubi_get_dev_info(ubi_lib_t desc, unsigned int devn,
- struct ubi_dev_info *di);
-
-/**
- * ubi_set_vol_cdev_pattern - set 'sprintf()'-like pattµern ofpaths to UBI
- * volume character devices.
- *
- * @desc UBI library descriptor
- * @pattern the pattern to set
- *
- * The default UBI character device path is "/dev/ubi%u_%u".
- */
-int ubi_set_vol_cdev_pattern(ubi_lib_t desc, const char *pattern);
-
-/**
- * ubi_get_vol_info - get information about an UBI volume
- *
- * @desc UBI library descriptor
- * @devn UBI device number the volume belongs to
- * @vol_id the requested volume number
- * @vi volume information is returned here
- *
- * Users must free the volume name string @vi->name.
- */
-int ubi_get_vol_info(ubi_lib_t desc, unsigned int devn, unsigned int vol_id,
- struct ubi_vol_info *vi);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* !__UBI_H__ */
Index: mtd-utils/ubi-utils/src/libubiold.c
===================================================================
--- mtd-utils.orig/ubi-utils/src/libubiold.c 2007-10-02 14:10:43.000000000 +0200
+++ /dev/null 1970-01-01 00:00:00.000000000 +0000
@@ -1,768 +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.
- */
-
-/*
- * UBI (Unsorted Block Images) library.
- *
- * Author: Artem B. Bityutskiy
- * Oliver Lohmann
- */
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <unistd.h>
-#include <limits.h>
-#include <errno.h>
-#include <sys/ioctl.h>
-#include <stdint.h>
-#include <mtd/ubi-user.h>
-#include <mtd/ubi-header.h>
-
-#include "libubiold.h"
-#include "libubiold_int.h"
-#include "libubiold_sysfs.h"
-
-/**
- * struct ubi_lib - UBI library descriptor.
- *
- * @ubi general UBI information
- *
- * @sysfs_root sysfs root directory
- * @ubi_root UBI root directory in sysfs
- *
- * @version full path to the "UBI version" sysfs file
- *
- * @cdev_path path pattern to UBI character devices
- * @cdev_path_len maximum length of the @cdev_path string after substitution
- * @udev_path path to sysfs directories corresponding to UBI devices
- * @wear_path path to sysfs file containing UBI wear information
- * @vol_count_path path to sysfs file containing the number of volumes in an
- * UBI device
- * @tot_ebs_path path to sysfs file containing the total number of
- * eraseblock on an UBI device
- * @avail_ebs_path path to sysfs file containing the number of unused
- * eraseblocks on an UBI device, available for new volumes
- * @eb_size_path path to sysfs file containing size of UBI eraseblocks
- * @nums_path path to sysfs file containing major and minor number of an
- * UBI device
- * @vol_cdev_path path to UBI volume character devices
- * @vdev_path path to sysfs directories corresponding to UBI volume
- * devices
- * @vol_nums_path path to sysfs file containing major and minor number of an
- * UBI volume device
- * @vol_bytes_path path to sysfs file containing size of an UBI volume device
- * in bytes
- * @vol_ebs_path path to sysfs file containing the number of eraseblocks in
- * an UBI volume device
- * @vol_type_path path to sysfs file containing type of an UBI volume
- * @vol_name_path @FIXME: Describe me.
- *
- * This structure is created and initialized by 'ubi_init()' and is passed to
- * all UBI library calls.
- */
-struct ubi_lib
-{
- struct ubi_info ubi;
-
- char *sysfs_root;
- char *ubi_root;
-
- char *version;
- char *cdev_path;
- int cdev_path_len;
- char *udev_path;
- char *wear_path;
- char *vol_count_path;
- char *tot_ebs_path;
- char *avail_ebs_path;
- char *eb_size_path;
- char *nums_path;
- int vol_cdev_path_len;
- char *vol_cdev_path;
- char *vdev_path;
- char *vol_nums_path;
- char *vol_bytes_path;
- char *vol_ebs_path;
- char *vol_type_path;
- char *vol_name_path;
-};
-
-
-/**
- * mkpath - compose full path from 2 given components.
- *
- * @path first component @name second component
- *
- * Returns the resulting path in case of success and %NULL in case of failure.
- * Callers have to take care the resulting path is freed.
- */
-static char*
-mkpath(const char *path, const char *name)
-{
- char *n;
- int len1 = strlen(path);
- int len2 = strlen(name);
-
- n = malloc(len1 + len2 + 2);
- if (!n)
- return NULL;
-
- memcpy(n, path, len1);
- if (n[len1 - 1] != '/')
- n[len1++] = '/';
-
- memcpy(n + len1, name, len2 + 1);
- return n;
-}
-
-
-static int
-get_ubi_info(ubi_lib_t desc, struct ubi_info *ubi)
-{
- int err;
- int dev_count = 0;
- char *path;
- struct stat stat;
-
- err = sysfs_read_int(desc->version, (int*) &ubi->version);
- if (err)
- return -1;
-
- /* Calculate number of UBI devices */
- while (!err) {
- char dir[20];
-
- sprintf(&dir[0], "ubi%d", dev_count);
- path = mkpath(desc->ubi_root, dir);
- if (!path)
- return ENOMEM;
-
- err = lstat(path, &stat);
- if (err == 0)
- dev_count += 1;
- free(path);
- }
-
- if (errno != ENOENT)
- return -1;
-
- if (dev_count == 0) {
- ubi_err("no UBI devices found");
- errno = EINVAL;
- return -1;
- }
-
- errno = 0;
- ubi->dev_count = dev_count;
- return 0;
-}
-
-void
-ubi_dump_handler(ubi_lib_t desc)
-{
- ubi_lib_t d = desc;
- printf( "UBI Library Descriptor:\n"
- "ubi_root: %s\n"
- "version: %s\n"
- "cdev_path: %s\n"
- "udev_path: %s\n"
- "wear_path: %s\n"
- "vol_count_path: %s\n"
- "tot_ebs_path: %s\n"
- "avail_ebs_path: %s\n"
- "eb_size_path: %s\n"
- "nums_path: %s\n"
- "vol_cdev_path: %s\n"
- "vdev_path: %s\n"
- "vol_nums_path: %s\n"
- "vol_bytes_path: %s\n"
- "vol_ebs_path: %s\n"
- "vol_type_path: %s\n"
- "vol_name_path: %s\n"
- "cdev_path_len: %d\n\n",
- d->ubi_root, d->version, d->cdev_path, d->udev_path,
- d->wear_path, d->vol_count_path, d->tot_ebs_path,
- d->avail_ebs_path, d->eb_size_path, d->nums_path,
- d->vol_cdev_path, d->vdev_path, d->vol_nums_path,
- d->vol_bytes_path, d->vol_ebs_path, d->vol_type_path,
- d->vol_name_path, d->cdev_path_len);
-}
-
-int
-ubi_set_cdev_pattern(ubi_lib_t desc, const char *pattern)
-{
- char *patt;
-
- patt = strdup(pattern);
- if (!patt) {
- ubi_err("cannot allocate memory");
- return -1;
- }
-
- if (desc->cdev_path)
- free(desc->cdev_path);
-
- desc->cdev_path = patt;
- desc->cdev_path_len = strlen(patt) + 1 + UBI_MAX_ID_SIZE;
-
- ubi_dbg("ubi dev pattern is now \"%s\"", patt);
-
- return 0;
-}
-
-int
-ubi_set_vol_cdev_pattern(ubi_lib_t desc, const char *pattern)
-{
- char *patt;
-
- patt = strdup(pattern);
- if (!patt) {
- ubi_err("cannot allocate memory");
- return -1;
- }
-
- free(desc->vol_cdev_path);
- desc->vol_cdev_path = patt;
- desc->vol_cdev_path_len = strlen(patt) + 1 + 2 * UBI_MAX_ID_SIZE;
-
- ubi_dbg("ubi volume dev pattern is now \"%s\"", patt);
-
- return 0;
-}
-
-int
-ubi_open(ubi_lib_t *desc)
-{
- int err = -1;
- ubi_lib_t res;
- struct stat stat;
-
- res = calloc(1, sizeof(struct ubi_lib));
- if (!res) {
- ubi_err("cannot allocate memory");
- return -1;
- }
-
- res->cdev_path = NULL;
- err = ubi_set_cdev_pattern(res, UBI_CDEV_PATH);
- if (err)
- goto error;
-
- /* TODO: this actually has to be discovered */
- res->sysfs_root = strdup(UBI_SYSFS_ROOT);
- if (!res->sysfs_root)
- goto error;
-
- res->ubi_root = mkpath(res->sysfs_root, UBI_ROOT);
- if (!res->ubi_root)
- goto error;
-
- res->version = mkpath(res->ubi_root, UBI_VER);
- if (!res->version)
- goto error;
-
- res->udev_path = mkpath(res->ubi_root, "ubi%d/");
- if (!res->udev_path)
- goto error;
-
- res->wear_path = mkpath(res->udev_path, UBI_WEAR);
- if (!res->wear_path)
- goto error;
-
- res->vol_count_path = mkpath(res->udev_path, UBI_VOL_COUNT);
- if (!res->vol_count_path)
- goto error;
-
- res->tot_ebs_path = mkpath(res->udev_path, UBI_AVAIL_EBS);
- if (!res->tot_ebs_path)
- goto error;
-
- res->avail_ebs_path = mkpath(res->udev_path, UBI_TOT_EBS);
- if (!res->avail_ebs_path)
- goto error;
-
- res->eb_size_path = mkpath(res->udev_path, UBI_EB_SIZE);
- if (!res->eb_size_path)
- goto error;
-
- res->nums_path = mkpath(res->udev_path, UBI_NUMS);
- if (!res->nums_path)
- goto error;
-
- err = ubi_set_vol_cdev_pattern(res, UBI_VOL_CDEV_PATH);
- if (err)
- goto error;
-
- res->vdev_path = mkpath(res->ubi_root, "ubi%d_%d/");
- if (!res->vdev_path)
- goto error;
-
- res->vol_nums_path = mkpath(res->vdev_path, UBI_NUMS);
- if (!res->vol_nums_path)
- goto error;
-
- res->vol_bytes_path = mkpath(res->vdev_path, UBI_VBYTES);
- if (!res->vol_bytes_path)
- goto error;
-
- res->vol_ebs_path = mkpath(res->vdev_path, UBI_VEBS);
- if (!res->vol_ebs_path)
- goto error;
-
- res->vol_type_path = mkpath(res->vdev_path, UBI_VTYPE);
- if (!res->vol_type_path)
- goto error;
-
- res->vol_name_path = mkpath(res->vdev_path, UBI_VNAME);
- if (!res->vol_name_path)
- goto error;
-
- /* Check if UBI exists in the system */
- err = lstat(res->ubi_root, &stat);
- if (err) {
- perror("lstat");
- fprintf(stderr, "%s\n", res->ubi_root);
- err = UBI_ENOTFOUND;
- goto error;
- }
-
- err = get_ubi_info(res, &res->ubi);
- if (err)
- goto error;
-
- *desc = res;
-
- ubi_dbg("opened library successfully.");
-
- return 0;
-
-error:
- ubi_close(&res);
-
- if (err == -1 && errno == ENOMEM)
- ubi_err("Cannot allocate memory");
-
- return err;
-}
-
-int
-ubi_close(ubi_lib_t *desc)
-{
- ubi_lib_t tmp = *desc;
-
- free(tmp->vol_name_path);
- free(tmp->vol_type_path);
- free(tmp->vol_ebs_path);
- free(tmp->vol_bytes_path);
- free(tmp->vol_nums_path);
- free(tmp->vdev_path);
- free(tmp->vol_cdev_path);
- free(tmp->nums_path);
- free(tmp->eb_size_path);
- free(tmp->avail_ebs_path);
- free(tmp->tot_ebs_path);
- free(tmp->vol_count_path);
- free(tmp->wear_path);
- free(tmp->udev_path);
- free(tmp->cdev_path);
- free(tmp->version);
- free(tmp->ubi_root);
- free(tmp->sysfs_root);
- free(tmp);
-
- *desc = NULL;
-
- return 0;
-}
-
-void
-ubi_perror(const char *prefix, int code)
-{
- if (code == 0)
- return;
-
- fprintf(stderr, "%s: ", prefix);
-
- switch (code) {
- case UBI_ENOTFOUND:
- fprintf(stderr, "UBI was not found in system\n");
- break;
- case UBI_EBUG:
- fprintf(stderr, "an UBI or UBI library bug\n");
- break;
- case UBI_EINVAL:
- fprintf(stderr, "invalid parameter\n");
- break;
- case -1:
- perror(prefix);
- break;
- default:
- ubi_err("unknown error code %d", code);
- break;
- }
-}
-
-int
-ubi_get_dev_info(ubi_lib_t desc, unsigned int devn, struct ubi_dev_info *di)
-{
- int err;
-
- if (devn >= desc->ubi.dev_count) {
- ubi_err("bad device number, max is %d\n",
- desc->ubi.dev_count - 1);
- return UBI_EINVAL;
- }
-
- err = sysfs_read_dev_subst(desc->nums_path, &di->major,
- &di->minor, 1, devn);
- if (err)
- return -1;
-
- err = sysfs_read_ull_subst(desc->wear_path, &di->wear, 1, devn);
- if (err)
- return -1;
-
- err = sysfs_read_uint_subst(desc->vol_count_path,
- &di->vol_count, 1, devn);
- if (err)
- return -1;
-
- err = sysfs_read_uint_subst(desc->eb_size_path, &di->eb_size, 1, devn);
- if (err)
- return -1;
-
- err = sysfs_read_uint_subst(desc->tot_ebs_path, &di->total_ebs, 1, devn);
- if (err)
- return -1;
-
- err = sysfs_read_uint_subst(desc->avail_ebs_path,
- &di->avail_ebs, 1, devn);
- if (err)
- return -1;
-
-#if 0
- ubi_dbg("major:minor %d:%d, wear %llu, EB size %d, "
- "vol. count %d, tot. EBs %d, avail. EBs %d",
- di->major, di->minor, di->wear, di->eb_size,
- di->vol_count, di->total_ebs, di->avail_ebs);
-#endif
-
- return err;
-}
-
-int
-ubi_get_vol_info(ubi_lib_t desc, unsigned int devn, unsigned int vol_id,
- struct ubi_vol_info *req)
-{
- int err;
- int len;
- char buf1[10];
- char buf2[UBI_MAX_VOLUME_NAME];
-
- err = sysfs_read_dev_subst(desc->vol_nums_path, &req->major,
- &req->minor, 2, devn, vol_id);
- if (err)
- return -1;
-
- err = sysfs_read_ull_subst(desc->vol_bytes_path,
- &req->bytes, 2, devn, vol_id);
- if (err)
- return -1;
-
- err = sysfs_read_uint_subst(desc->vol_ebs_path,
- &req->eraseblocks, 2, devn, vol_id);
- if (err)
- return -1;
-
- len = sysfs_read_data_subst(desc->vol_type_path, &buf1[0],
- 10, 2, devn, vol_id);
- if (len == -1)
- return -1;
-
- if (buf1[len - 1] != '\n') {
- ubi_err("bad volume type");
- return UBI_EBUG;
- }
-
- if (!strncmp(&buf1[0], "static", sizeof("static") - 1)) {
- req->type = UBI_STATIC_VOLUME;
- } else if (!strncmp(&buf1[0], "dynamic", sizeof("dynamic") - 1)) {
- req->type = UBI_DYNAMIC_VOLUME;
- } else {
- ubi_err("bad type %s", &buf1[0]);
- return -1;
- }
-
- len = sysfs_read_data_subst(desc->vol_name_path, &buf2[0],
- UBI_MAX_VOLUME_NAME, 2, devn, vol_id);
- if (len == -1)
- return -1;
-
- if (buf2[len - 1] != '\n') {
- ubi_err("bad volume name");
- return UBI_EBUG;
- }
-
- req->name = malloc(len);
- if (!req->name) {
- ubi_err("cannot allocate memory");
- return -1;
- }
-
- memcpy(req->name, &buf2[0], len - 1);
- req->name[len - 1] = '\0';
-
- return 0;
-}
-
-/**
- * ubi_cdev_open - open a UBI device
- *
- * @desc UBI library descriptor
- * @devn Number of UBI device to open
- * @flags Flags to pass to open()
- *
- * This function opens a UBI device by number and returns a file
- * descriptor. In case of an error %-1 is returned and errno is set
- * appropriately.
- */
-static int
-ubi_cdev_open(ubi_lib_t desc, int devn, int flags)
-{
- char *buf;
- int fd;
-
- ubi_dbg("desc=%p, devn=%d, flags=%08x\n", desc, devn, flags);
-
- if (desc == NULL) {
- ubi_err("desc is NULL\n");
- return -1;
- }
- if (desc->vol_cdev_path_len == 0) {
- ubi_err("path_len == 0\n");
- return -1;
- }
- buf = malloc(desc->cdev_path_len);
-
- sprintf(buf, desc->cdev_path, devn);
-
- fd = open(buf, flags);
- if (fd == -1)
- ubi_dbg("cannot open %s", buf);
-
- free(buf);
- return fd;
-}
-
-/**
- * ubi_cdev_close - close a UBI device
- *
- * @dev_fd file descriptor of UBI device to close
- *
- * This function closes the given UBI device.
- */
-static int
-ubi_cdev_close(int dev_fd)
-{
- return close(dev_fd);
-}
-
-/**
- * @size is now in bytes.
- */
-int
-ubi_mkvol(ubi_lib_t desc, int devn, int vol_id, int vol_type,
- long long bytes, int alignment, const char *name)
-{
- int fd;
- int err;
- struct ubi_mkvol_req req;
- size_t n;
-
- n = strlen(name);
- if (n > UBI_MAX_VOLUME_NAME)
- return -1;
-
- if ((fd = ubi_cdev_open(desc, devn, O_RDWR)) == -1)
- return -1;
-
- req.vol_id = vol_id;
- req.bytes = bytes;
- req.vol_type = vol_type;
- req.alignment = alignment;
-
- strncpy(req.name, name, UBI_MAX_VOLUME_NAME + 1);
- req.name_len = n;
-
- /* printf("DBG: %s(vol_id=%d, bytes=%lld, type=%d, alig=%d, nlen=%d, "
- "name=%s)\n", __func__, vol_id, bytes, vol_type, alignment,
- strlen(name), name);*/
-
- err = ioctl(fd, UBI_IOCMKVOL, &req);
- if (err < 0) {
- ubi_err("ioctl returned %d errno=%d\n", err, errno);
- goto out_close;
- }
-
- ubi_dbg("created volume %d, size %lld, name \"%s\" "
- "at UBI dev %d\n", vol_id, bytes, name, devn);
-
- close(fd);
- return err;
- out_close:
- ubi_cdev_close(fd);
- return err;
-}
-
-int
-ubi_rmvol(ubi_lib_t desc, int devn, int vol_id)
-{
- int fd;
- int err;
-
- if ((fd = ubi_cdev_open(desc, devn, O_RDWR)) == -1)
- return -1;
-
- err = ioctl(fd, UBI_IOCRMVOL, &vol_id);
- if (err < 0)
- goto out_close;
-
- ubi_dbg("removed volume %d", vol_id);
-
- out_close:
- ubi_cdev_close(fd);
- return err;
-}
-
-int
-ubi_get_info(ubi_lib_t desc, struct ubi_info *ubi)
-{
- memcpy(ubi, &desc->ubi, sizeof(struct ubi_info));
- return 0;
-}
-
-
-int
-ubi_vol_open(ubi_lib_t desc, int devn, int vol_id, int flags)
-{
- char *buf;
- int fd;
-
- ubi_dbg("desc=%p, devn=%d, vol_id=%d, flags=%08x\n",
- desc, devn, vol_id, flags);
-
- if (desc == NULL) {
- ubi_err("desc is NULL\n");
- return -1;
- }
- if (desc->vol_cdev_path_len == 0) {
- ubi_err("path_len == 0\n");
- return -1;
- }
- buf = malloc(desc->cdev_path_len);
-
- sprintf(buf, desc->vol_cdev_path, devn, vol_id);
-
- fd = open(buf, flags);
- if (fd == -1)
- ubi_dbg("cannot open %s", buf);
-
- free(buf);
- return fd;
-}
-
-int
-ubi_vol_close(int vol_fd)
-{
- return close(vol_fd);
-}
-
-
-int
-ubi_vol_update(int vol_fd, unsigned long long bytes)
-{
- int err;
-
- err = ioctl(vol_fd, UBI_IOCVOLUP, &bytes);
- if (err) {
- ubi_err("%s failure calling update ioctl\n"
- " IOCTL(%08lx) err=%d errno=%d\n",
- __func__, (long unsigned int)UBI_IOCVOLUP, err, errno);
- }
- return err;
-}
-
-FILE *
-ubi_vol_fopen_read(ubi_lib_t desc, int devn, uint32_t vol_id)
-{
- FILE *fp;
- int fd;
-
- fd = ubi_vol_open(desc, devn, vol_id, O_RDONLY);
- if (fd == -1)
- return NULL;
-
- fp = fdopen(fd, "r");
- if (fp == NULL)
- ubi_vol_close(fd);
-
- return fp;
-}
-
-FILE *
-ubi_vol_fopen_update(ubi_lib_t desc, int devn, uint32_t vol_id,
- unsigned long long bytes)
-{
- FILE *fp;
- int fd;
- int err;
-
- fd = ubi_vol_open(desc, devn, vol_id, O_RDWR);
- if (fd == -1)
- return NULL;
-
- fp = fdopen(fd, "r+");
- if (fp == NULL) {
- printf("DBG: %s(errno=%d)\n", __func__, errno);
- ubi_vol_close(fd);
- return NULL;
- }
- err = ubi_vol_update(fd, bytes);
- if (err < 0) {
- printf("DBG: %s() fd=%d err=%d\n", __func__, fd, err);
- fclose(fp);
- return NULL;
- }
- return fp;
-}
-
-int
-ubi_vol_get_used_bytes(int vol_fd, unsigned long long *bytes)
-{
- off_t res;
-
- res = lseek(vol_fd, 0, SEEK_END);
- if (res == (off_t)-1)
- return -1;
- *bytes = (unsigned long long) res;
- res = lseek(vol_fd, 0, SEEK_SET);
- return res == (off_t)-1 ? -1 : 0;
-}
Index: mtd-utils/ubi-utils/src/libubiold_int.h
===================================================================
--- mtd-utils.orig/ubi-utils/src/libubiold_int.h 2007-10-02 14:10:43.000000000 +0200
+++ /dev/null 1970-01-01 00:00:00.000000000 +0000
@@ -1,119 +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.
- */
-
-/*
- * UBI (Unsorted Block Images) library.
- *
- * Author: Artem B. Bityutskiy
- */
-
-#ifndef __UBI_INT_H__
-#define __UBI_INT_H__
-/*
- * Enable/disable UBI library debugging messages.
- */
-#undef UBILIB_DEBUG
-
-/*
- * UBI library error message.
- */
-#define ubi_err(fmt, ...) do { \
- fprintf(stderr, "UBI Library Error at %s: ", __func__); \
- fprintf(stderr, fmt, ##__VA_ARGS__); \
- fprintf(stderr, "\n"); \
- } while (0)
-
-#ifdef UBILIB_DEBUG
-#define ubi_dbg(fmt, ...) do { \
- fprintf(stderr, "UBI Debug: %s: ", __func__); \
- fprintf(stderr, fmt, ##__VA_ARGS__); \
- fprintf(stderr, "\n"); \
- } while (0)
-
-#else
-#define ubi_dbg(fmt, ...) do { } while (0)
-#endif
-
-/**
- * SYSFS Entries.
- *
- * @def UBI_ROOT
- * @brief Name of the root UBI directory in sysfs.
- *
- * @def UBI_NLEN_MAX
- * @brief Name of syfs file containing the maximum UBI volume name length.
- *
- * @def UBI_VER
- * @brief Name of sysfs file containing UBI version.
- *
- * @def UBI_WEAR
- * @brief Name of sysfs file containing wear level of an UBI device.
- *
- * @def UBI_VOL_COUNT
- * @brief Name of sysfs file contaning the of volume on an UBI device
- *
- * @def UBI_TOT_EBS
- * @brief Name of sysfs file contaning the total number of
- * eraseblocks on an UBI device.
- *
- * @def UBI_AVAIL_EBS
- * @brief Name of sysfs file contaning the number of unused eraseblocks on
- * an UBI device.
- *
- * @def UBI_EB_SIZE
- * @brief Name of sysfs file containing size of UBI eraseblocks.
- *
- * @def UBI_NUMS
- * @brief Name of sysfs file containing major and minor numbers
- * of an UBI device or an UBI volume device.
- *
- * @def UBI_VBYTES
- * @brief Name of sysfs file containing size of an UBI volume device in
- * bytes.
- *
- * @def UBI_VEBS
- * @brief Name of sysfs file containing size of an UBI volume device in
- * eraseblocks.
- *
- * @def UBI_VTYPE
- * @brief Name of sysfs file containing type of an UBI volume device.
- *
- * @def UBI_VNAME
- * @brief Name of sysfs file containing name of an UBI volume device.
- **/
-#define UBI_ROOT "ubi"
-#define UBI_NLEN_MAX "volume_name_max"
-#define UBI_VER "version"
-#define UBI_WEAR "wear"
-#define UBI_VOL_COUNT "volumes_count"
-#define UBI_TOT_EBS "total_eraseblocks"
-#define UBI_AVAIL_EBS "avail_eraseblocks"
-#define UBI_EB_SIZE "eraseblock_size"
-#define UBI_NUMS "dev"
-#define UBI_VBYTES "bytes"
-#define UBI_VEBS "eraseblocks"
-#define UBI_VTYPE "type"
-#define UBI_VNAME "name"
-
-#define UBI_CDEV_PATH "/dev/ubi%d"
-#define UBI_VOL_CDEV_PATH "/dev/ubi%d_%d"
-#define UBI_SYSFS_ROOT "/sys/class"
-
-#define UBI_MAX_ID_SIZE 9
-
-#endif /* !__UBI_INT_H__ */
Index: mtd-utils/ubi-utils/src/libubiold_sysfs.c
===================================================================
--- mtd-utils.orig/ubi-utils/src/libubiold_sysfs.c 2007-10-02 14:10:43.000000000 +0200
+++ /dev/null 1970-01-01 00:00:00.000000000 +0000
@@ -1,232 +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.
- */
-
-/*
- * UBI (Unsorted Block Images) library.
- *
- * Author: Artem B. Bityutskiy
- */
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <fcntl.h>
-#include <sys/stat.h>
-#include <unistd.h>
-#include <limits.h>
-#include <errno.h>
-#include <stdarg.h>
-
-#include "config.h"
-#include "libubiold_int.h"
-
-int
-sysfs_read_data(const char *file, void *buf, int len)
-{
- int fd;
- ssize_t rd;
-
- fd = open(file, O_RDONLY);
- if (fd == -1) {
- ubi_err("cannot open file %s", file);
- return -1;
- }
-
- rd = read(fd, buf, len);
- if (rd == -1)
- ubi_err("cannot read file %s", file);
-
- close(fd);
-
- return rd;
-}
-
-int
-sysfs_read_data_subst(const char *patt, void *buf, int len, int n, ...)
-{
- va_list args;
- char buf1[strlen(patt) + 20 * n];
-
- va_start(args, n);
- vsprintf(&buf1[0], patt, args);
- va_end(args);
-
- return sysfs_read_data(&buf1[0], buf, len);
-}
-
-int
-sysfs_read_dev(const char *file, unsigned int *major, unsigned int *minor)
-{
- int fd;
- int ret;
- ssize_t rd;
- int err = -1;
- char buf[40];
-
- fd = open(file, O_RDONLY);
- if (fd == -1) {
- ubi_err("cannot open file %s", file);
- return -1;
- }
-
- rd = read(fd, &buf[0], 20);
- if (rd == -1) {
- ubi_err("cannot read file %s", file);
- goto error;
- }
- if (rd < 4) {
- ubi_err("bad contents of file %s:", file);
- goto error;
- }
-
- err = -1;
- if (buf[rd -1] != '\n') {
- ubi_err("bad contents of file %s", file);
- goto error;
- }
-
- ret = sscanf(&buf[0], "%d:%d\n", major, minor);
- if (ret != 2) {
- ubi_err("bad contents of file %s", file);
- goto error;
- }
-
- err = 0;
-
-error:
- close(fd);
-
- return err;
-}
-
-int
-sysfs_read_dev_subst(const char *patt, unsigned int *major,
- unsigned int *minor, int n, ...)
-{
- va_list args;
- char buf[strlen(patt) + 20 * n];
-
- va_start(args, n);
- vsprintf(&buf[0], patt, args);
- va_end(args);
-
- return sysfs_read_dev(&buf[0], major, minor);
-}
-
-static int
-sysfs_read_ull(const char *file ubi_unused, unsigned long long *num ubi_unused)
-{
- return 0;
-}
-
-int
-sysfs_read_ull_subst(const char *patt, unsigned long long *num, int n, ...)
-{
- va_list args;
- char buf[strlen(patt) + 20 * n];
-
- va_start(args, n);
- vsprintf(&buf[0], patt, args);
- va_end(args);
-
- return sysfs_read_ull(&buf[0], num);
-}
-
-static int
-sysfs_read_uint(const char *file ubi_unused, unsigned int *num ubi_unused)
-{
- return 0;
-}
-
-int
-sysfs_read_uint_subst(const char *patt, unsigned int *num, int n, ...)
-{
- va_list args;
- char buf[strlen(patt) + 20 * n];
-
- va_start(args, n);
- vsprintf(&buf[0], patt, args);
- va_end(args);
-
- return sysfs_read_uint(&buf[0], num);
-}
-
-int
-sysfs_read_ll(const char *file, long long *num)
-{
- int fd;
- ssize_t rd;
- int err = -1;
- char buf[20];
- char *endptr;
-
- fd = open(file, O_RDONLY);
- if (fd == -1)
- return -1;
-
- rd = read(fd, &buf[0], 20);
- if (rd == -1)
- goto out;
-
- if (rd < 2) {
- ubi_err("bad contents in file %s: \"%c%c...\"",
- file, buf[0], buf[1]);
- goto out_errno;
- }
-
- *num = strtoll(&buf[0], &endptr, 10);
- if (endptr == &buf[0] || *endptr != '\n') {
- ubi_err("bad contents in file %s: \"%c%c...\"",
- file, buf[0], buf[1]);
- goto out_errno;
- }
-
- if (*num < 0) {
- ubi_err("bad number in file %s: %lld", file, *num);
- goto out_errno;
- }
-
- err = 0;
-
-out_errno:
- errno = EINVAL;
-
-out:
- close(fd);
- return err;
-}
-
-int
-sysfs_read_int(const char *file, int *num)
-{
- int err;
- long long res = 0;
-
- err = sysfs_read_ll(file, &res);
- if (err)
- return err;
-
- if (res < 0 || res > INT_MAX) {
- ubi_err("bad number in file %s: %lld", file, res);
- errno = EINVAL;
- return -1;
- }
-
- *num = res;
- return 0;
-}
Index: mtd-utils/ubi-utils/src/libubiold_sysfs.h
===================================================================
--- mtd-utils.orig/ubi-utils/src/libubiold_sysfs.h 2007-10-02 14:10:43.000000000 +0200
+++ /dev/null 1970-01-01 00:00:00.000000000 +0000
@@ -1,109 +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.
- */
-
-/*
- * 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);
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