cLK/lk/include/lib/ptable.h

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2011-03-25 21:39:33 +00:00
/*
* Copyright (c) 2008, Google Inc.
* All rights reserved.
*
* Copyright (c) 2009-2010, Code Aurora Forum. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef __LIB_PTABLE_H
#define __LIB_PTABLE_H
/* flash partitions are defined in terms of blocks
* (flash erase units)
*/
#define MAX_PTENTRY_NAME 16
#define MAX_PTABLE_PARTS 32
#define TYPE_MODEM_PARTITION 1
#define TYPE_APPS_PARTITION 0
#define PERM_NON_WRITEABLE 0
#define PERM_WRITEABLE 1
struct ptentry
{
char name[MAX_PTENTRY_NAME];
unsigned start;
unsigned length;
unsigned flags;
char type;
char perm;
};
struct ptable
{
struct ptentry parts[MAX_PTABLE_PARTS];
int count;
};
/* tools to populate and query the partition table */
void ptable_init(struct ptable *ptable);
void ptable_add(struct ptable *ptable, char *name, unsigned start,
unsigned length, unsigned flags, char type, char perm);
struct ptentry *ptable_find(struct ptable *ptable, const char *name);
struct ptentry *ptable_get(struct ptable *ptable, int n);
int ptable_size(struct ptable *ptable);
void ptable_dump(struct ptable *ptable);
#endif /* __LIB_PTABLE_H */