Return to nvram.h CVS log

Up to [Qemu by Fabrice Bellard] / qemu / roms / SLOF / lib / libnvram

Annotation of qemu/roms/SLOF/lib/libnvram/nvram.h, revision 1.1.1.2

1.1       root        1: /******************************************************************************
                      2:  * Copyright (c) 2004, 2008 IBM Corporation
                      3:  * All rights reserved.
                      4:  * This program and the accompanying materials
                      5:  * are made available under the terms of the BSD License
                      6:  * which accompanies this distribution, and is available at
                      7:  * http://www.opensource.org/licenses/bsd-license.php
                      8:  *
                      9:  * Contributors:
                     10:  *     IBM Corporation - initial implementation
                     11:  *****************************************************************************/
                     12: 
                     13: #ifndef __NVRAM_H
                     14: #define __NVRAM_H 1
                     15: 
                     16: /* data structures */
                     17: 
                     18: typedef struct {
                     19:        unsigned long addr;
                     20:        long len;
                     21: } partition_t;
                     22: 
                     23: /* macros */
                     24: 
                     25: #define DEBUG(x...)
                     26: // #define DEBUG(x...) printf(x);
                     27: 
                     28: #ifndef ALIGN
                     29: #define ALIGN(x, a) (((x) + ((a) - 1)) & ~((a) - 1))
                     30: #endif
                     31: 
                     32: #define NULL ((void *)0)
                     33: 
                     34: #define PARTITION_HEADER_SIZE 16
                     35: 
                     36: 
                     37: /* exported functions */
                     38: 
                     39: #define nvram_access_proto(type,name)                  \
                     40:        type nvram_read_##name(unsigned int offset);            \
                     41:        void nvram_write_##name(unsigned int offset, type data);
                     42: 
                     43: nvram_access_proto(uint8_t,  byte)
                     44: nvram_access_proto(uint16_t, word)
                     45: nvram_access_proto(uint32_t, dword)
                     46: nvram_access_proto(uint64_t, qword)
                     47: 
                     48: /* nvram.c */
                     49: 
                     50: char *get_nvram_buffer(int len);
                     51: void free_nvram_buffer(char *buffer);
                     52: int nvramlog_printf(const char* fmt, ...);
                     53: partition_t get_partition(unsigned int type, char *name);
                     54: void erase_nvram(int offset, int len);
                     55: int wipe_partition(partition_t partition, int header_only);
                     56: partition_t new_nvram_partition(int type, char *name, int len);
                     57: int increase_nvram_partition_size(partition_t partition, int newsize);
                     58: int clear_nvram_partition(partition_t part);
                     59: int delete_nvram_partition(partition_t part);
                     60: void reset_nvram(void);
                     61: void wipe_nvram(void);
                     62: void nvram_debug(void);
                     63: 
                     64: /* envvar.c */
                     65: char *get_env(partition_t part, char *envvar);
                     66: int add_env(partition_t part, char *envvar, char *value);
                     67: int del_env(partition_t part, char *envvar);
                     68: int set_env(partition_t part, char *envvar, char *value);
                     69: 
                     70: #endif

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.