diff options
Diffstat (limited to 'openwrt/package/linux/kernel-source/include/bcmnvram.h')
| -rw-r--r-- | openwrt/package/linux/kernel-source/include/bcmnvram.h | 148 |
1 files changed, 0 insertions, 148 deletions
diff --git a/openwrt/package/linux/kernel-source/include/bcmnvram.h b/openwrt/package/linux/kernel-source/include/bcmnvram.h deleted file mode 100644 index 3c452634e..000000000 --- a/openwrt/package/linux/kernel-source/include/bcmnvram.h +++ /dev/null @@ -1,148 +0,0 @@ -/* - * NVRAM variable manipulation - * - * Copyright 2004, Broadcom Corporation - * All Rights Reserved. - * - * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY - * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM - * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS - * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE. - * - * $Id$ - */ - -#ifndef _bcmnvram_h_ -#define _bcmnvram_h_ - -#ifndef _LANGUAGE_ASSEMBLY - -#include <typedefs.h> - -struct nvram_header { - uint32 magic; - uint32 len; - uint32 crc_ver_init; /* 0:7 crc, 8:15 ver, 16:27 init, mem. test 28, 29-31 reserved */ - uint32 config_refresh; /* 0:15 config, 16:31 refresh */ - uint32 config_ncdl; /* ncdl values for memc */ -}; - -struct nvram_tuple { - char *name; - char *value; - struct nvram_tuple *next; -}; - -/* - * Initialize NVRAM access. May be unnecessary or undefined on certain - * platforms. - */ -extern int nvram_init(void *sbh); - -/* - * Disable NVRAM access. May be unnecessary or undefined on certain - * platforms. - */ -extern void nvram_exit(void); - -/* - * Get the value of an NVRAM variable. The pointer returned may be - * invalid after a set. - * @param name name of variable to get - * @return value of variable or NULL if undefined - */ -extern char * nvram_get(const char *name); - -/* - * Get the value of an NVRAM variable. - * @param name name of variable to get - * @return value of variable or NUL if undefined - */ -#define nvram_safe_get(name) (nvram_get(name) ? : "") - -#define nvram_safe_unset(name) ({ \ - if(nvram_get(name)) \ - nvram_unset(name); \ -}) - -#define nvram_safe_set(name, value) ({ \ - if(!nvram_get(name) || strcmp(nvram_get(name), value)) \ - nvram_set(name, value); \ -}) - -/* - * Match an NVRAM variable. - * @param name name of variable to match - * @param match value to compare against value of variable - * @return TRUE if variable is defined and its value is string equal - * to match or FALSE otherwise - */ -static INLINE int -nvram_match(char *name, char *match) { - const char *value = nvram_get(name); - return (value && !strcmp(value, match)); -} - -/* - * Inversely match an NVRAM variable. - * @param name name of variable to match - * @param match value to compare against value of variable - * @return TRUE if variable is defined and its value is not string - * equal to invmatch or FALSE otherwise - */ -static INLINE int -nvram_invmatch(char *name, char *invmatch) { - const char *value = nvram_get(name); - return (value && strcmp(value, invmatch)); -} - -/* - * Set the value of an NVRAM variable. The name and value strings are - * copied into private storage. Pointers to previously set values - * may become invalid. The new value may be immediately - * retrieved but will not be permanently stored until a commit. - * @param name name of variable to set - * @param value value of variable - * @return 0 on success and errno on failure - */ -extern int nvram_set(const char *name, const char *value); - -/* - * Unset an NVRAM variable. Pointers to previously set values - * remain valid until a set. - * @param name name of variable to unset - * @return 0 on success and errno on failure - * NOTE: use nvram_commit to commit this change to flash. - */ -extern int nvram_unset(const char *name); - -/* - * Commit NVRAM variables to permanent storage. All pointers to values - * may be invalid after a commit. - * NVRAM values are undefined after a commit. - * @return 0 on success and errno on failure - */ -extern int nvram_commit(void); - -/* - * Get all NVRAM variables (format name=value\0 ... \0\0). - * @param buf buffer to store variables - * @param count size of buffer in bytes - * @return 0 on success and errno on failure - */ -extern int nvram_getall(char *buf, int count); - -extern int file2nvram(char *filename, char *varname); -extern int nvram2file(char *varname, char *filename); - -#endif /* _LANGUAGE_ASSEMBLY */ - -#define NVRAM_MAGIC 0x48534C46 /* 'FLSH' */ -#define NVRAM_VERSION 1 -#define NVRAM_HEADER_SIZE 20 -#define NVRAM_SPACE 0x8000 -#define FLASH_BASE 0xbfc00000 /* Extif core */ -#define FLASH_MIN 0x00100000 /* Minimum flash size */ -#define FLASH_MAX 0x00400000 /* Maximum flash size with extif */ - -#endif /* _bcmnvram_h_ */ |