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/*
* NVRAM variable manipulation
*
* Copyright (C) 1999-2012, Broadcom Corporation
*
* Unless you and Broadcom execute a separate written software license
* agreement governing use of this software, this software is licensed to you
* under the terms of the GNU General Public License version 2 (the "GPL"),
* available at http://www.broadcom.com/licenses/GPLv2.php, with the
* following added to such license:
*
* As a special exception, the copyright holders of this software give you
* permission to link this software with independent modules, and to copy and
* distribute the resulting executable under terms of your choice, provided that
* you also meet, for each linked independent module, the terms and conditions of
* the license of that module. An independent module is a module which is not
* derived from this software. The special exception does not apply to any
* modifications of the software.
*
* Notwithstanding the above, under no circumstances may you combine this
* software in any way with any other Broadcom software provided under a license
* other than the GPL, without Broadcom's express prior written consent.
*
* $Id: bcmnvram.h 288000 2011-10-05 19:05:16Z $
*/
#ifndef _bcmnvram_h_
#define _bcmnvram_h_
#ifndef _LANGUAGE_ASSEMBLY
#include <typedefs.h>
#include <bcmdefs.h>
struct nvram_header {
uint32 magic;
uint32 len;
uint32 crc_ver_init;
uint32 config_refresh;
uint32 config_ncdl;
};
struct nvram_tuple {
char *name;
char *value;
struct nvram_tuple *next;
};
extern char *nvram_default_get(const char *name);
extern int nvram_init(void *sih);
extern int nvram_append(void *si, char *vars, uint varsz);
extern void nvram_get_global_vars(char **varlst, uint *varsz);
extern int nvram_reset(void *sih);
extern void nvram_exit(void *sih);
extern char * nvram_get(const char *name);
extern int nvram_resetgpio_init(void *sih);
static INLINE char *
nvram_safe_get(const char *name)
{
char *p = nvram_get(name);
return p ? p : "";
}
static INLINE int
nvram_match(char *name, char *match)
{
const char *value = nvram_get(name);
return (value && !strcmp(value, match));
}
static INLINE int
nvram_invmatch(char *name, char *invmatch)
{
const char *value = nvram_get(name);
return (value && strcmp(value, invmatch));
}
extern int nvram_set(const char *name, const char *value);
extern int nvram_unset(const char *name);
extern int nvram_commit(void);
extern int nvram_getall(char *nvram_buf, int count);
uint8 nvram_calc_crc(struct nvram_header * nvh);
#endif
#define NVRAM_SOFTWARE_VERSION "1"
#define NVRAM_MAGIC 0x48534C46
#define NVRAM_CLEAR_MAGIC 0x0
#define NVRAM_INVALID_MAGIC 0xFFFFFFFF
#define NVRAM_VERSION 1
#define NVRAM_HEADER_SIZE 20
#define NVRAM_SPACE 0x8000
#define NVRAM_MAX_VALUE_LEN 255
#define NVRAM_MAX_PARAM_LEN 64
#define NVRAM_CRC_START_POSITION 9
#define NVRAM_CRC_VER_MASK 0xffffff00
#define NVRAM_START_COMPRESSED 0x400
#define NVRAM_START 0x1000
#define BCM_JUMBO_NVRAM_DELIMIT '\n'
#define BCM_JUMBO_START "Broadcom Jumbo Nvram file"
#endif
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