| /* |
| * libkmod - interface to kernel module operations |
| * |
| * Copyright (C) 2011 ProFUSION embedded systems |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this library; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #ifndef _LIBKMOD_H_ |
| #define _LIBKMOD_H_ |
| |
| #include <fcntl.h> |
| #include <stdarg.h> |
| #include <inttypes.h> |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| /* |
| * kmod_ctx |
| * |
| * library user context - reads the config and system |
| * environment, user variables, allows custom logging |
| */ |
| struct kmod_ctx; |
| struct kmod_ctx *kmod_new(const char *dirname, const char * const *config_dirs); |
| struct kmod_ctx *kmod_ref(struct kmod_ctx *ctx); |
| struct kmod_ctx *kmod_unref(struct kmod_ctx *ctx); |
| void kmod_set_log_fn(struct kmod_ctx *ctx, |
| void (*log_fn)(void *log_data, |
| int priority, const char *file, int line, |
| const char *fn, const char *format, |
| va_list args), |
| const void *data); |
| int kmod_get_log_priority(const struct kmod_ctx *ctx); |
| void kmod_set_log_priority(struct kmod_ctx *ctx, int priority); |
| void *kmod_get_userdata(const struct kmod_ctx *ctx); |
| void kmod_set_userdata(struct kmod_ctx *ctx, const void *userdata); |
| int kmod_load_resources(struct kmod_ctx *ctx); |
| void kmod_unload_resources(struct kmod_ctx *ctx); |
| |
| /* |
| * kmod_list |
| * |
| * access to kmod generated lists |
| */ |
| struct kmod_list; |
| struct kmod_list *kmod_list_next(const struct kmod_list *first_entry, |
| const struct kmod_list *list_entry); |
| struct kmod_list *kmod_list_prev(const struct kmod_list *first_entry, |
| const struct kmod_list *list_entry); |
| struct kmod_list *kmod_list_last(const struct kmod_list *first_entry); |
| |
| #define kmod_list_foreach(list_entry, first_entry) \ |
| for (list_entry = first_entry; \ |
| list_entry != NULL; \ |
| list_entry = kmod_list_next(first_entry, list_entry)) |
| |
| #define kmod_list_foreach_reverse(list_entry, first_entry) \ |
| for (list_entry = kmod_list_last(first_entry); \ |
| list_entry != NULL; \ |
| list_entry = kmod_list_prev(first_entry, list_entry)) |
| |
| /* Removal flags */ |
| enum kmod_remove { |
| KMOD_REMOVE_FORCE = O_TRUNC, |
| KMOD_REMOVE_NOWAIT = O_NONBLOCK, |
| }; |
| |
| /* Insertion flags */ |
| enum kmod_insert { |
| KMOD_INSERT_FORCE_VERMAGIC = 0x1, |
| KMOD_INSERT_FORCE_MODVERSION = 0x2, |
| }; |
| |
| /* |
| * kmod_module |
| * |
| * Operate on kernel modules |
| */ |
| struct kmod_module; |
| int kmod_module_new_from_name(struct kmod_ctx *ctx, const char *name, |
| struct kmod_module **mod); |
| int kmod_module_new_from_path(struct kmod_ctx *ctx, const char *path, |
| struct kmod_module **mod); |
| int kmod_module_new_from_lookup(struct kmod_ctx *ctx, const char *alias, |
| struct kmod_list **list); |
| int kmod_module_new_from_loaded(struct kmod_ctx *ctx, struct kmod_list **list); |
| |
| struct kmod_module *kmod_module_ref(struct kmod_module *mod); |
| struct kmod_module *kmod_module_unref(struct kmod_module *mod); |
| int kmod_module_unref_list(struct kmod_list *list); |
| struct kmod_module *kmod_module_get_module(const struct kmod_list *entry); |
| struct kmod_list *kmod_module_get_dependencies(const struct kmod_module *mod); |
| |
| int kmod_module_get_filtered_blacklist(const struct kmod_ctx *ctx, const struct kmod_list *input, struct kmod_list **output); |
| |
| int kmod_module_remove_module(struct kmod_module *mod, unsigned int flags); |
| int kmod_module_insert_module(struct kmod_module *mod, unsigned int flags, const char *options); |
| |
| const char *kmod_module_get_name(const struct kmod_module *mod); |
| const char *kmod_module_get_path(const struct kmod_module *mod); |
| |
| enum kmod_module_initstate { |
| KMOD_MODULE_BUILTIN = 0, |
| KMOD_MODULE_LIVE, |
| KMOD_MODULE_COMING, |
| KMOD_MODULE_GOING, |
| /* Padding to make sure enum is not mapped to char */ |
| _KMOD_MODULE_PAD = (1 << 31), |
| }; |
| const char *kmod_module_initstate_str(enum kmod_module_initstate initstate); |
| int kmod_module_get_initstate(const struct kmod_module *mod); |
| int kmod_module_get_refcnt(const struct kmod_module *mod); |
| struct kmod_list *kmod_module_get_holders(const struct kmod_module *mod); |
| |
| struct kmod_list *kmod_module_get_sections(const struct kmod_module *mod); |
| const char *kmod_module_section_get_name(const struct kmod_list *entry); |
| unsigned long kmod_module_section_get_address(const struct kmod_list *entry); |
| void kmod_module_section_free_list(struct kmod_list *list); |
| |
| long kmod_module_get_size(const struct kmod_module *mod); |
| |
| const char *kmod_module_get_options(const struct kmod_module *mod); |
| const char *kmod_module_get_install_commands(const struct kmod_module *mod); |
| const char *kmod_module_get_remove_commands(const struct kmod_module *mod); |
| |
| int kmod_module_get_softdeps(const struct kmod_module *mod, struct kmod_list **pre, struct kmod_list **post); |
| |
| int kmod_module_get_info(const struct kmod_module *mod, struct kmod_list **list); |
| const char *kmod_module_info_get_key(const struct kmod_list *entry); |
| const char *kmod_module_info_get_value(const struct kmod_list *entry); |
| void kmod_module_info_free_list(struct kmod_list *list); |
| |
| int kmod_module_get_versions(const struct kmod_module *mod, struct kmod_list **list); |
| const char *kmod_module_version_get_symbol(const struct kmod_list *entry); |
| uint64_t kmod_module_version_get_crc(const struct kmod_list *entry); |
| void kmod_module_versions_free_list(struct kmod_list *list); |
| |
| int kmod_module_get_symbols(const struct kmod_module *mod, struct kmod_list **list); |
| const char *kmod_module_symbol_get_symbol(const struct kmod_list *entry); |
| uint64_t kmod_module_symbol_get_crc(const struct kmod_list *entry); |
| void kmod_module_symbols_free_list(struct kmod_list *list); |
| |
| #ifdef __cplusplus |
| } /* extern "C" */ |
| #endif |
| #endif |