1/* 2 * Common modutils related functions for busybox 3 * 4 * Copyright (C) 2008 by Timo Teras <timo.teras@iki.fi> 5 * 6 * Licensed under GPLv2 or later, see file LICENSE in this tarball for details. 7 */ 8 9#ifndef MODUTILS_H 10#define MODUTILS_H 1 11 12#include "libbb.h" 13 14PUSH_AND_SET_FUNCTION_VISIBILITY_TO_HIDDEN 15 16/* linux/include/linux/module.h has 64, but this is also used 17 * internally for the maximum alias name length, which can be quite long */ 18#define MODULE_NAME_LEN 256 19 20void replace(char *s, char what, char with) FAST_FUNC; 21char *replace_underscores(char *s) FAST_FUNC; 22int string_to_llist(char *string, llist_t **llist, const char *delim) FAST_FUNC; 23char *filename2modname(const char *filename, char *modname) FAST_FUNC; 24char *parse_cmdline_module_options(char **argv) FAST_FUNC; 25 26/* insmod for 2.4 and modprobe's options (insmod 2.6 has no options at all): */ 27#define INSMOD_OPTS \ 28 "vqs" \ 29 IF_FEATURE_2_4_MODULES("Lfkx" IF_FEATURE_INSMOD_LOAD_MAP("m")) 30#define INSMOD_ARGS /* (was meant to support -o NAME) , NULL */ 31 32enum { 33 INSMOD_OPT_VERBOSE = (1 << 0), 34 INSMOD_OPT_SILENT = (1 << 1), 35 INSMOD_OPT_SYSLOG = (1 << 2), 36 //INSMOD_OPT_OUTPUTNAME = (1 << x) - not supported yet 37 INSMOD_OPT_LOCK = (1 << 3) * ENABLE_FEATURE_2_4_MODULES, 38 INSMOD_OPT_FORCE = (1 << 4) * ENABLE_FEATURE_2_4_MODULES, 39 INSMOD_OPT_KERNELD = (1 << 5) * ENABLE_FEATURE_2_4_MODULES, 40 INSMOD_OPT_NO_EXPORT = (1 << 6) * ENABLE_FEATURE_2_4_MODULES, 41 INSMOD_OPT_PRINT_MAP = (1 << 7) * ENABLE_FEATURE_INSMOD_LOAD_MAP, 42 INSMOD_OPT_UNUSED = 43 (INSMOD_OPT_PRINT_MAP ? INSMOD_OPT_PRINT_MAP 44 : INSMOD_OPT_NO_EXPORT ? INSMOD_OPT_NO_EXPORT 45 : INSMOD_OPT_SYSLOG 46 ) << 1 47}; 48 49#if ENABLE_FEATURE_INSMOD_TRY_MMAP 50void* FAST_FUNC try_to_mmap_module(const char *filename, size_t *image_size_p); 51#else 52# define try_to_mmap_module(filename, image_size) NULL 53#endif 54 55/* Return: 56 * 0 on success, 57 * -errno on open/read error, 58 * errno on init_module() error 59 */ 60int FAST_FUNC bb_init_module(const char *module, const char *options); 61/* Return: 62 * 0 on success, 63 * errno on init_module() error 64 */ 65int FAST_FUNC bb_delete_module(const char *module, unsigned int flags); 66/* Translates error return to a string */ 67const char *moderror(int err) FAST_FUNC; 68 69#if ENABLE_FEATURE_2_4_MODULES 70int FAST_FUNC bb_init_module_24(const char *module, const char *options); 71#endif 72 73POP_SAVED_FUNCTION_VISIBILITY 74 75#endif 76