2 * libkmod - interface to kernel module operations
4 * Copyright (C) 2011 ProFUSION embedded systems
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation version 2.1.
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
34 * library user context - reads the config and system
35 * environment, user variables, allows custom logging
38 struct kmod_ctx
*kmod_new(const char *dirname
);
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
,
46 int kmod_get_log_priority(const struct kmod_ctx
*ctx
);
47 void kmod_set_log_priority(struct kmod_ctx
*ctx
, int priority
);
48 void *kmod_get_userdata(const struct kmod_ctx
*ctx
);
49 void kmod_set_userdata(struct kmod_ctx
*ctx
, const void *userdata
);
54 * access to kmod generated lists
57 struct kmod_list
*kmod_list_next(const struct kmod_list
*first_entry
,
58 const struct kmod_list
*list_entry
);
59 struct kmod_list
*kmod_list_prev(const struct kmod_list
*first_entry
,
60 const struct kmod_list
*list_entry
);
61 #define kmod_list_foreach(list_entry, first_entry) \
62 for (list_entry = first_entry; \
64 list_entry = kmod_list_next(first_entry, list_entry))
66 int kmod_loaded_get_list(struct kmod_ctx
*ctx
, struct kmod_list
**list
);
69 KMOD_REMOVE_FORCE
= O_TRUNC
,
70 KMOD_REMOVE_NOWAIT
= O_NONBLOCK
,
74 KMOD_INSERT_FORCE_VERMAGIC
= 0x1,
75 KMOD_INSERT_FORCE_MODVERSION
= 0x2,
76 KMOD_INSERT_HANDLE_DEPENDENCIES
= 0x4,
77 KMOD_INSERT_IGNORE_CONFIG
= 0x8,
83 * Operate on kernel modules
86 int kmod_module_new_from_name(struct kmod_ctx
*ctx
, const char *name
,
87 struct kmod_module
**mod
);
88 int kmod_module_new_from_path(struct kmod_ctx
*ctx
, const char *path
,
89 struct kmod_module
**mod
);
90 int kmod_module_new_from_lookup(struct kmod_ctx
*ctx
, const char *alias
,
91 struct kmod_list
**list
);
93 struct kmod_module
*kmod_module_ref(struct kmod_module
*mod
);
94 struct kmod_module
*kmod_module_unref(struct kmod_module
*mod
);
95 int kmod_module_unref_list(struct kmod_list
*list
);
96 struct kmod_module
*kmod_module_get_module(const struct kmod_list
*entry
);
97 struct kmod_list
*kmod_module_get_dependencies(const struct kmod_module
*mod
);
99 int kmod_module_remove_module(struct kmod_module
*mod
, unsigned int flags
);
100 int kmod_module_insert_module(struct kmod_module
*mod
, unsigned int flags
);
102 const char *kmod_module_get_name(const struct kmod_module
*mod
);
103 const char *kmod_module_get_path(const struct kmod_module
*mod
);
105 enum kmod_module_initstate
{
106 KMOD_MODULE_BUILTIN
= 0,
110 /* Padding to make sure enum is not mapped to char */
111 _KMOD_MODULE_PAD
= (1 << 31),
113 const char *kmod_module_initstate_str(enum kmod_module_initstate initstate
);
114 int kmod_module_get_initstate(const struct kmod_module
*mod
);
115 int kmod_module_get_refcnt(const struct kmod_module
*mod
);
116 struct kmod_list
*kmod_module_get_holders(const struct kmod_module
*mod
);
118 struct kmod_list
*kmod_module_get_sections(const struct kmod_module
*mod
);
119 const char *kmod_module_section_get_name(const struct kmod_list
*entry
);
120 unsigned long kmod_module_section_get_address(const struct kmod_list
*entry
);
121 void kmod_module_section_free_list(struct kmod_list
*list
);
123 long kmod_module_get_size(const struct kmod_module
*mod
);