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