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    Contents of /tags/mkinitrd-6_3_1/busybox/modutils/modutils.h

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    Revision 1143 - (show annotations) (download)
    Thu Aug 19 12:44:27 2010 UTC (13 years, 9 months ago) by niro
    File MIME type: text/plain
    File size: 2409 byte(s) 
    tagged 'mkinitrd-6_3_1'
    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
    14 PUSH_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
    20 void replace(char *s, char what, char with) FAST_FUNC;
    21 char *replace_underscores(char *s) FAST_FUNC;
    22 int string_to_llist(char *string, llist_t **llist, const char *delim) FAST_FUNC;
    23 char *filename2modname(const char *filename, char *modname) FAST_FUNC;
    24 char *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
    32 enum {
    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
    50 void* 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 */
    60 int FAST_FUNC bb_init_module(const char *module, const char *options);
    61 /* Return:
    62 * 0 on success,
    63 * errno on init_module() error
    64 */
    65 int FAST_FUNC bb_delete_module(const char *module, unsigned int flags);
    66 /* Translates error return to a string */
    67 const char *moderror(int err) FAST_FUNC;
    68
    69 #if ENABLE_FEATURE_2_4_MODULES
    70 int FAST_FUNC bb_init_module_24(const char *module, const char *options);
    71 #endif
    72
    73 POP_SAVED_FUNCTION_VISIBILITY
    74
    75 #endif