2 * Common modutils related functions for busybox
4 * Copyright (C) 2008 by Timo Teras <timo.teras@iki.fi>
6 * Licensed under GPLv2 or later, see file LICENSE in this source tree.
14 PUSH_AND_SET_FUNCTION_VISIBILITY_TO_HIDDEN
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 #define MODULE_HASH_SIZE 256
21 typedef struct module_entry {
22 struct module_entry *next;
28 const char *probed_name; /* verbatim as seen on cmdline */
29 char *options; /* options from config files */
34 struct module_entry *dnext, *dprev;
38 typedef struct module_db {
39 module_entry *buckets[MODULE_HASH_SIZE];
42 #define moddb_foreach_module(db, module, index) \
43 for ((index) = 0; (index) < MODULE_HASH_SIZE; (index)++) \
44 for (module = (db)->buckets[index]; module; module = module->next)
46 module_entry *moddb_get(module_db *db, const char *s) FAST_FUNC;
47 module_entry *moddb_get_or_create(module_db *db, const char *s) FAST_FUNC;
48 void moddb_free(module_db *db) FAST_FUNC;
50 void replace(char *s, char what, char with) FAST_FUNC;
51 int string_to_llist(char *string, llist_t **llist, const char *delim) FAST_FUNC;
52 char *filename2modname(const char *filename, char *modname) FAST_FUNC;
53 #if ENABLE_FEATURE_CMDLINE_MODULE_OPTIONS
54 char *parse_cmdline_module_options(char **argv, int quote_spaces) FAST_FUNC;
56 # define parse_cmdline_module_options(argv, quote_spaces) ""
59 /* insmod for 2.4 and modprobe's options (insmod 2.6 has no options at all): */
62 IF_FEATURE_2_4_MODULES("Lfkx" IF_FEATURE_INSMOD_LOAD_MAP("m"))
63 #define INSMOD_ARGS /* (was meant to support -o NAME) , NULL */
66 INSMOD_OPT_VERBOSE = (1 << 0),
67 INSMOD_OPT_SILENT = (1 << 1),
68 INSMOD_OPT_SYSLOG = (1 << 2),
69 //INSMOD_OPT_OUTPUTNAME = (1 << x) - not supported yet
70 INSMOD_OPT_LOCK = (1 << 3) * ENABLE_FEATURE_2_4_MODULES,
71 INSMOD_OPT_FORCE = (1 << 4) * ENABLE_FEATURE_2_4_MODULES,
72 INSMOD_OPT_KERNELD = (1 << 5) * ENABLE_FEATURE_2_4_MODULES,
73 INSMOD_OPT_NO_EXPORT = (1 << 6) * ENABLE_FEATURE_2_4_MODULES,
74 INSMOD_OPT_PRINT_MAP = (1 << 7) * ENABLE_FEATURE_INSMOD_LOAD_MAP,
76 (INSMOD_OPT_PRINT_MAP ? INSMOD_OPT_PRINT_MAP
77 : INSMOD_OPT_NO_EXPORT ? INSMOD_OPT_NO_EXPORT
82 #if ENABLE_FEATURE_INSMOD_TRY_MMAP
83 void* FAST_FUNC try_to_mmap_module(const char *filename, size_t *image_size_p);
85 # define try_to_mmap_module(filename, image_size) NULL
90 * -errno on open/read error,
91 * errno on init_module() error
93 int FAST_FUNC bb_init_module(const char *module, const char *options);
96 * errno on init_module() error
98 int FAST_FUNC bb_delete_module(const char *module, unsigned int flags);
99 /* Translates error return to a string */
100 const char *moderror(int err) FAST_FUNC;
102 #if ENABLE_FEATURE_2_4_MODULES
103 int FAST_FUNC bb_init_module_24(const char *module, const char *options);
106 POP_SAVED_FUNCTION_VISIBILITY