libkmod/libkmod.h

   1 /*
   2  * libkmod - interface to kernel module operations
   3  *
   4  * Copyright (C) 2011  ProFUSION embedded systems
   5  * Copyright (C) 2011  Lucas De Marchi <lucas.de.marchi@gmail.com>
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation version 2.1.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19  */
  20
  21 #ifndef _LIBABC_H_
  22 #define _LIBABC_H_
  23
  24 #include <stdarg.h>
  25 #include <inttypes.h>
  26
  27 #ifdef __cplusplus
  28 extern "C" {
  29 #endif
  30
  31 /*
  32  * kmod_ctx
  33  *
  34  * library user context - reads the config and system
  35  * environment, user variables, allows custom logging
  36  */
  37 struct kmod_ctx;
  38 struct kmod_ctx *kmod_new(void);
  39 struct kmod_ctx *kmod_ref(struct kmod_ctx *ctx);
  40 struct kmod_ctx *kmod_unref(struct kmod_ctx *ctx);
  41 void kmod_set_log_fn(struct kmod_ctx *ctx,
  42                         void (*log_fn)(struct kmod_ctx *ctx,
  43                                 int priority, const char *file, int line,
  44                                 const char *fn, const char *format,
  45                                 va_list args));
  46 int kmod_get_log_priority(struct kmod_ctx *ctx);
  47 void kmod_set_log_priority(struct kmod_ctx *ctx, int priority);
  48 void *kmod_get_userdata(struct kmod_ctx *ctx);
  49 void kmod_set_userdata(struct kmod_ctx *ctx, void *userdata);
  50
  51 /*
  52  * kmod_list
  53  *
  54  * access to kmod generated lists
  55  */
  56 struct kmod_list;
  57 struct kmod_list *kmod_list_next(struct kmod_list *first_entry,
  58                                                 struct kmod_list *list_entry);
  59 #define kmod_list_foreach(list_entry, first_entry) \
  60         for (list_entry = first_entry; \
  61                 list_entry != NULL; \
  62                 list_entry = kmod_list_next(first_entry, list_entry))
  63
  64 #ifdef __cplusplus
  65 } /* extern "C" */
  66 #endif
  67
  68 struct kmod_loaded;
  69 int kmod_loaded_new(struct kmod_ctx *ctx, struct kmod_loaded **mod);
  70 struct kmod_loaded *kmod_loaded_ref(struct kmod_loaded *mod);
  71 struct kmod_loaded *kmod_loaded_unref(struct kmod_loaded *mod);
  72 int kmod_loaded_get_list(struct kmod_loaded *mod, struct kmod_list **list);
  73 int kmod_loaded_get_module_info(struct kmod_list *entry, const char **name,
  74                                 long *size, int *use_count, const char **deps,
  75                                 uintptr_t *addr);
  76
  77 #endif