ubi-utils: add sysfs interface support and new tool

This large commit makes several things.

1. Switches libmtd to use the new sysfs interface
2. Implements new handy 'mtdinfo' utility
3. Does minore amendmends in libubi and some ubi-tools.

Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>

1 files changed, 88 insertions, 0 deletions

diff --git a/ubi-utils/src/libmtd_int.h b/ubi-utils/src/libmtd_int.h
new file mode 100644
index 0000000..7de4b42
--- /dev/null
+++ b/ubi-utils/src/libmtd_int.h
@@ -0,0 +1,88 @@
+/*
+ * Copyright (c) International Business Machines Corp., 2006
+ * Copyright (C) 2009 Nokia Corporation
+ *
+ * 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 Bityutskiy
+ *
+ * MTD library.
+ */
+
+#ifndef __LIBMTD_INT_H__
+#define __LIBMTD_INT_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define PROGRAM_NAME "libmtd"
+
+#define SYSFS_MTD        "class/mtd"
+#define MTD_NAME_PATT    "mtd%d"
+#define MTD_DEV          "dev"
+#define MTD_NAME         "name"
+#define MTD_TYPE         "type"
+#define MTD_EB_SIZE      "erasesize"
+#define MTD_SIZE         "size"
+#define MTD_MIN_IO_SIZE  "writesize"
+#define MTD_SUBPAGE_SIZE "subpagesize"
+#define MTD_OOB_SIZE     "oobsize"
+#define MTD_REGION_CNT   "numeraseregions"
+#define MTD_FLAGS        "flags"
+
+/**
+ * libmtd - MTD library description data structure.
+ * @sysfs_mtd: MTD directory in sysfs
+ * @mtd: MTD device sysfs directory pattern
+ * @mtd_dev: MTD device major/minor numbers file pattern
+ * @mtd_name: MTD device name file pattern
+ * @mtd_type: MTD device type file pattern
+ * @mtd_eb_size: MTD device eraseblock size file pattern
+ * @mtd_size: MTD device size file pattern
+ * @mtd_min_io_size: minimum I/O unit size file pattern
+ * @mtd_subpage_size: sub-page size file pattern
+ * @mtd_oob_size: MTD device OOB size file pattern
+ * @mtd_region_cnt: count of additional erase regions file pattern
+ * @mtd_flags: MTD device flags file pattern
+ * @sysfs_supported: non-zero if sysfs is supported by MTD
+ */
+struct libmtd
+{
+	char *sysfs_mtd;
+	char *mtd;
+	char *mtd_dev;
+	char *mtd_name;
+	char *mtd_type;
+	char *mtd_eb_size;
+	char *mtd_size;
+	char *mtd_min_io_size;
+	char *mtd_subpage_size;
+	char *mtd_oob_size;
+	char *mtd_region_cnt;
+	char *mtd_flags;
+	unsigned int sysfs_supported:1;
+};
+
+int legacy_libmtd_open(void);
+int legacy_mtd_get_info(struct mtd_info *info);
+int legacy_get_dev_info(const char *node, struct mtd_dev_info *mtd);
+int legacy_get_dev_info1(int dev_num, struct mtd_dev_info *mtd);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* !__LIBMTD_INT_H__ */