diff options
Diffstat (limited to 'ANDROID_3.4.5/include/linux/module.h')
| -rw-r--r-- | ANDROID_3.4.5/include/linux/module.h | 651 |
1 files changed, 0 insertions, 651 deletions
diff --git a/ANDROID_3.4.5/include/linux/module.h b/ANDROID_3.4.5/include/linux/module.h deleted file mode 100644 index fbcafe2e..00000000 --- a/ANDROID_3.4.5/include/linux/module.h +++ /dev/null @@ -1,651 +0,0 @@ -#ifndef _LINUX_MODULE_H -#define _LINUX_MODULE_H -/* - * Dynamic loading of modules into the kernel. - * - * Rewritten by Richard Henderson <rth@tamu.edu> Dec 1996 - * Rewritten again by Rusty Russell, 2002 - */ -#include <linux/list.h> -#include <linux/stat.h> -#include <linux/compiler.h> -#include <linux/cache.h> -#include <linux/kmod.h> -#include <linux/elf.h> -#include <linux/stringify.h> -#include <linux/kobject.h> -#include <linux/moduleparam.h> -#include <linux/tracepoint.h> -#include <linux/export.h> - -#include <linux/percpu.h> -#include <asm/module.h> - -/* Not Yet Implemented */ -#define MODULE_SUPPORTED_DEVICE(name) - -#define MODULE_NAME_LEN MAX_PARAM_PREFIX_LEN - -struct modversion_info -{ - unsigned long crc; - char name[MODULE_NAME_LEN]; -}; - -struct module; - -struct module_kobject { - struct kobject kobj; - struct module *mod; - struct kobject *drivers_dir; - struct module_param_attrs *mp; -}; - -struct module_attribute { - struct attribute attr; - ssize_t (*show)(struct module_attribute *, struct module_kobject *, - char *); - ssize_t (*store)(struct module_attribute *, struct module_kobject *, - const char *, size_t count); - void (*setup)(struct module *, const char *); - int (*test)(struct module *); - void (*free)(struct module *); -}; - -struct module_version_attribute { - struct module_attribute mattr; - const char *module_name; - const char *version; -} __attribute__ ((__aligned__(sizeof(void *)))); - -extern ssize_t __modver_version_show(struct module_attribute *, - struct module_kobject *, char *); - -extern struct module_attribute module_uevent; - -/* These are either module local, or the kernel's dummy ones. */ -extern int init_module(void); -extern void cleanup_module(void); - -/* Archs provide a method of finding the correct exception table. */ -struct exception_table_entry; - -const struct exception_table_entry * -search_extable(const struct exception_table_entry *first, - const struct exception_table_entry *last, - unsigned long value); -void sort_extable(struct exception_table_entry *start, - struct exception_table_entry *finish); -void sort_main_extable(void); -void trim_init_extable(struct module *m); - -#ifdef MODULE -#define MODULE_GENERIC_TABLE(gtype,name) \ -extern const struct gtype##_id __mod_##gtype##_table \ - __attribute__ ((unused, alias(__stringify(name)))) - -#else /* !MODULE */ -#define MODULE_GENERIC_TABLE(gtype,name) -#endif - -/* Generic info of form tag = "info" */ -#define MODULE_INFO(tag, info) __MODULE_INFO(tag, tag, info) - -/* For userspace: you can also call me... */ -#define MODULE_ALIAS(_alias) MODULE_INFO(alias, _alias) - -/* - * The following license idents are currently accepted as indicating free - * software modules - * - * "GPL" [GNU Public License v2 or later] - * "GPL v2" [GNU Public License v2] - * "GPL and additional rights" [GNU Public License v2 rights and more] - * "Dual BSD/GPL" [GNU Public License v2 - * or BSD license choice] - * "Dual MIT/GPL" [GNU Public License v2 - * or MIT license choice] - * "Dual MPL/GPL" [GNU Public License v2 - * or Mozilla license choice] - * - * The following other idents are available - * - * "Proprietary" [Non free products] - * - * There are dual licensed components, but when running with Linux it is the - * GPL that is relevant so this is a non issue. Similarly LGPL linked with GPL - * is a GPL combined work. - * - * This exists for several reasons - * 1. So modinfo can show license info for users wanting to vet their setup - * is free - * 2. So the community can ignore bug reports including proprietary modules - * 3. So vendors can do likewise based on their own policies - */ -#define MODULE_LICENSE(_license) MODULE_INFO(license, _license) - -/* - * Author(s), use "Name <email>" or just "Name", for multiple - * authors use multiple MODULE_AUTHOR() statements/lines. - */ -#define MODULE_AUTHOR(_author) MODULE_INFO(author, _author) - -/* What your module does. */ -#define MODULE_DESCRIPTION(_description) MODULE_INFO(description, _description) - -#define MODULE_DEVICE_TABLE(type,name) \ - MODULE_GENERIC_TABLE(type##_device,name) - -/* Version of form [<epoch>:]<version>[-<extra-version>]. - Or for CVS/RCS ID version, everything but the number is stripped. - <epoch>: A (small) unsigned integer which allows you to start versions - anew. If not mentioned, it's zero. eg. "2:1.0" is after - "1:2.0". - <version>: The <version> may contain only alphanumerics and the - character `.'. Ordered by numeric sort for numeric parts, - ascii sort for ascii parts (as per RPM or DEB algorithm). - <extraversion>: Like <version>, but inserted for local - customizations, eg "rh3" or "rusty1". - - Using this automatically adds a checksum of the .c files and the - local headers in "srcversion". -*/ - -#if defined(MODULE) || !defined(CONFIG_SYSFS) -#define MODULE_VERSION(_version) MODULE_INFO(version, _version) -#else -#define MODULE_VERSION(_version) \ - static struct module_version_attribute ___modver_attr = { \ - .mattr = { \ - .attr = { \ - .name = "version", \ - .mode = S_IRUGO, \ - }, \ - .show = __modver_version_show, \ - }, \ - .module_name = KBUILD_MODNAME, \ - .version = _version, \ - }; \ - static const struct module_version_attribute \ - __used __attribute__ ((__section__ ("__modver"))) \ - * __moduleparam_const __modver_attr = &___modver_attr -#endif - -/* Optional firmware file (or files) needed by the module - * format is simply firmware file name. Multiple firmware - * files require multiple MODULE_FIRMWARE() specifiers */ -#define MODULE_FIRMWARE(_firmware) MODULE_INFO(firmware, _firmware) - -/* Given an address, look for it in the exception tables */ -const struct exception_table_entry *search_exception_tables(unsigned long add); - -struct notifier_block; - -#ifdef CONFIG_MODULES - -extern int modules_disabled; /* for sysctl */ -/* Get/put a kernel symbol (calls must be symmetric) */ -void *__symbol_get(const char *symbol); -void *__symbol_get_gpl(const char *symbol); -#define symbol_get(x) ((typeof(&x))(__symbol_get(MODULE_SYMBOL_PREFIX #x))) - -/* modules using other modules: kdb wants to see this. */ -struct module_use { - struct list_head source_list; - struct list_head target_list; - struct module *source, *target; -}; - -enum module_state -{ - MODULE_STATE_LIVE, - MODULE_STATE_COMING, - MODULE_STATE_GOING, -}; - -/** - * struct module_ref - per cpu module reference counts - * @incs: number of module get on this cpu - * @decs: number of module put on this cpu - * - * We force an alignment on 8 or 16 bytes, so that alloc_percpu() - * put @incs/@decs in same cache line, with no extra memory cost, - * since alloc_percpu() is fine grained. - */ -struct module_ref { - unsigned long incs; - unsigned long decs; -} __attribute((aligned(2 * sizeof(unsigned long)))); - -struct module -{ - enum module_state state; - - /* Member of list of modules */ - struct list_head list; - - /* Unique handle for this module */ - char name[MODULE_NAME_LEN]; - - /* Sysfs stuff. */ - struct module_kobject mkobj; - struct module_attribute *modinfo_attrs; - const char *version; - const char *srcversion; - struct kobject *holders_dir; - - /* Exported symbols */ - const struct kernel_symbol *syms; - const unsigned long *crcs; - unsigned int num_syms; - - /* Kernel parameters. */ - struct kernel_param *kp; - unsigned int num_kp; - - /* GPL-only exported symbols. */ - unsigned int num_gpl_syms; - const struct kernel_symbol *gpl_syms; - const unsigned long *gpl_crcs; - -#ifdef CONFIG_UNUSED_SYMBOLS - /* unused exported symbols. */ - const struct kernel_symbol *unused_syms; - const unsigned long *unused_crcs; - unsigned int num_unused_syms; - - /* GPL-only, unused exported symbols. */ - unsigned int num_unused_gpl_syms; - const struct kernel_symbol *unused_gpl_syms; - const unsigned long *unused_gpl_crcs; -#endif - - /* symbols that will be GPL-only in the near future. */ - const struct kernel_symbol *gpl_future_syms; - const unsigned long *gpl_future_crcs; - unsigned int num_gpl_future_syms; - - /* Exception table */ - unsigned int num_exentries; - struct exception_table_entry *extable; - - /* Startup function. */ - int (*init)(void); - - /* If this is non-NULL, vfree after init() returns */ - void *module_init; - - /* Here is the actual code + data, vfree'd on unload. */ - void *module_core; - - /* Here are the sizes of the init and core sections */ - unsigned int init_size, core_size; - - /* The size of the executable code in each section. */ - unsigned int init_text_size, core_text_size; - - /* Size of RO sections of the module (text+rodata) */ - unsigned int init_ro_size, core_ro_size; - - /* Arch-specific module values */ - struct mod_arch_specific arch; - - unsigned int taints; /* same bits as kernel:tainted */ - -#ifdef CONFIG_GENERIC_BUG - /* Support for BUG */ - unsigned num_bugs; - struct list_head bug_list; - struct bug_entry *bug_table; -#endif - -#ifdef CONFIG_KALLSYMS - /* - * We keep the symbol and string tables for kallsyms. - * The core_* fields below are temporary, loader-only (they - * could really be discarded after module init). - */ - Elf_Sym *symtab, *core_symtab; - unsigned int num_symtab, core_num_syms; - char *strtab, *core_strtab; - - /* Section attributes */ - struct module_sect_attrs *sect_attrs; - - /* Notes attributes */ - struct module_notes_attrs *notes_attrs; -#endif - - /* The command line arguments (may be mangled). People like - keeping pointers to this stuff */ - char *args; - -#ifdef CONFIG_SMP - /* Per-cpu data. */ - void __percpu *percpu; - unsigned int percpu_size; -#endif - -#ifdef CONFIG_TRACEPOINTS - unsigned int num_tracepoints; - struct tracepoint * const *tracepoints_ptrs; -#endif -#ifdef HAVE_JUMP_LABEL - struct jump_entry *jump_entries; - unsigned int num_jump_entries; -#endif -#ifdef CONFIG_TRACING - unsigned int num_trace_bprintk_fmt; - const char **trace_bprintk_fmt_start; -#endif -#ifdef CONFIG_EVENT_TRACING - struct ftrace_event_call **trace_events; - unsigned int num_trace_events; -#endif -#ifdef CONFIG_FTRACE_MCOUNT_RECORD - unsigned int num_ftrace_callsites; - unsigned long *ftrace_callsites; -#endif - -#ifdef CONFIG_MODULE_UNLOAD - /* What modules depend on me? */ - struct list_head source_list; - /* What modules do I depend on? */ - struct list_head target_list; - - /* Who is waiting for us to be unloaded */ - struct task_struct *waiter; - - /* Destruction function. */ - void (*exit)(void); - - struct module_ref __percpu *refptr; -#endif - -#ifdef CONFIG_CONSTRUCTORS - /* Constructor functions. */ - ctor_fn_t *ctors; - unsigned int num_ctors; -#endif -}; -#ifndef MODULE_ARCH_INIT -#define MODULE_ARCH_INIT {} -#endif - -extern struct mutex module_mutex; - -/* FIXME: It'd be nice to isolate modules during init, too, so they - aren't used before they (may) fail. But presently too much code - (IDE & SCSI) require entry into the module during init.*/ -static inline int module_is_live(struct module *mod) -{ - return mod->state != MODULE_STATE_GOING; -} - -struct module *__module_text_address(unsigned long addr); -struct module *__module_address(unsigned long addr); -bool is_module_address(unsigned long addr); -bool is_module_percpu_address(unsigned long addr); -bool is_module_text_address(unsigned long addr); - -static inline int within_module_core(unsigned long addr, struct module *mod) -{ - return (unsigned long)mod->module_core <= addr && - addr < (unsigned long)mod->module_core + mod->core_size; -} - -static inline int within_module_init(unsigned long addr, struct module *mod) -{ - return (unsigned long)mod->module_init <= addr && - addr < (unsigned long)mod->module_init + mod->init_size; -} - -/* Search for module by name: must hold module_mutex. */ -struct module *find_module(const char *name); - -struct symsearch { - const struct kernel_symbol *start, *stop; - const unsigned long *crcs; - enum { - NOT_GPL_ONLY, - GPL_ONLY, - WILL_BE_GPL_ONLY, - } licence; - bool unused; -}; - -/* Search for an exported symbol by name. */ -const struct kernel_symbol *find_symbol(const char *name, - struct module **owner, - const unsigned long **crc, - bool gplok, - bool warn); - -/* Walk the exported symbol table */ -bool each_symbol_section(bool (*fn)(const struct symsearch *arr, - struct module *owner, - void *data), void *data); - -/* Returns 0 and fills in value, defined and namebuf, or -ERANGE if - symnum out of range. */ -int module_get_kallsym(unsigned int symnum, unsigned long *value, char *type, - char *name, char *module_name, int *exported); - -/* Look for this name: can be of form module:name. */ -unsigned long module_kallsyms_lookup_name(const char *name); - -int module_kallsyms_on_each_symbol(int (*fn)(void *, const char *, - struct module *, unsigned long), - void *data); - -extern void __module_put_and_exit(struct module *mod, long code) - __attribute__((noreturn)); -#define module_put_and_exit(code) __module_put_and_exit(THIS_MODULE, code); - -#ifdef CONFIG_MODULE_UNLOAD -unsigned long module_refcount(struct module *mod); -void __symbol_put(const char *symbol); -#define symbol_put(x) __symbol_put(MODULE_SYMBOL_PREFIX #x) -void symbol_put_addr(void *addr); - -/* Sometimes we know we already have a refcount, and it's easier not - to handle the error case (which only happens with rmmod --wait). */ -extern void __module_get(struct module *module); - -/* This is the Right Way to get a module: if it fails, it's being removed, - * so pretend it's not there. */ -extern bool try_module_get(struct module *module); - -extern void module_put(struct module *module); - -#else /*!CONFIG_MODULE_UNLOAD*/ -static inline int try_module_get(struct module *module) -{ - return !module || module_is_live(module); -} -static inline void module_put(struct module *module) -{ -} -static inline void __module_get(struct module *module) -{ -} -#define symbol_put(x) do { } while(0) -#define symbol_put_addr(p) do { } while(0) - -#endif /* CONFIG_MODULE_UNLOAD */ -int ref_module(struct module *a, struct module *b); - -/* This is a #define so the string doesn't get put in every .o file */ -#define module_name(mod) \ -({ \ - struct module *__mod = (mod); \ - __mod ? __mod->name : "kernel"; \ -}) - -/* For kallsyms to ask for address resolution. namebuf should be at - * least KSYM_NAME_LEN long: a pointer to namebuf is returned if - * found, otherwise NULL. */ -const char *module_address_lookup(unsigned long addr, - unsigned long *symbolsize, - unsigned long *offset, - char **modname, - char *namebuf); -int lookup_module_symbol_name(unsigned long addr, char *symname); -int lookup_module_symbol_attrs(unsigned long addr, unsigned long *size, unsigned long *offset, char *modname, char *name); - -/* For extable.c to search modules' exception tables. */ -const struct exception_table_entry *search_module_extables(unsigned long addr); - -int register_module_notifier(struct notifier_block * nb); -int unregister_module_notifier(struct notifier_block * nb); - -extern void print_modules(void); - -#else /* !CONFIG_MODULES... */ - -/* Given an address, look for it in the exception tables. */ -static inline const struct exception_table_entry * -search_module_extables(unsigned long addr) -{ - return NULL; -} - -static inline struct module *__module_address(unsigned long addr) -{ - return NULL; -} - -static inline struct module *__module_text_address(unsigned long addr) -{ - return NULL; -} - -static inline bool is_module_address(unsigned long addr) -{ - return false; -} - -static inline bool is_module_percpu_address(unsigned long addr) -{ - return false; -} - -static inline bool is_module_text_address(unsigned long addr) -{ - return false; -} - -/* Get/put a kernel symbol (calls should be symmetric) */ -#define symbol_get(x) ({ extern typeof(x) x __attribute__((weak)); &(x); }) -#define symbol_put(x) do { } while(0) -#define symbol_put_addr(x) do { } while(0) - -static inline void __module_get(struct module *module) -{ -} - -static inline int try_module_get(struct module *module) -{ - return 1; -} - -static inline void module_put(struct module *module) -{ -} - -#define module_name(mod) "kernel" - -/* For kallsyms to ask for address resolution. NULL means not found. */ -static inline const char *module_address_lookup(unsigned long addr, - unsigned long *symbolsize, - unsigned long *offset, - char **modname, - char *namebuf) -{ - return NULL; -} - -static inline int lookup_module_symbol_name(unsigned long addr, char *symname) -{ - return -ERANGE; -} - -static inline int lookup_module_symbol_attrs(unsigned long addr, unsigned long *size, unsigned long *offset, char *modname, char *name) -{ - return -ERANGE; -} - -static inline int module_get_kallsym(unsigned int symnum, unsigned long *value, - char *type, char *name, - char *module_name, int *exported) -{ - return -ERANGE; -} - -static inline unsigned long module_kallsyms_lookup_name(const char *name) -{ - return 0; -} - -static inline int module_kallsyms_on_each_symbol(int (*fn)(void *, const char *, - struct module *, - unsigned long), - void *data) -{ - return 0; -} - -static inline int register_module_notifier(struct notifier_block * nb) -{ - /* no events will happen anyway, so this can always succeed */ - return 0; -} - -static inline int unregister_module_notifier(struct notifier_block * nb) -{ - return 0; -} - -#define module_put_and_exit(code) do_exit(code) - -static inline void print_modules(void) -{ -} -#endif /* CONFIG_MODULES */ - -#ifdef CONFIG_SYSFS -extern struct kset *module_kset; -extern struct kobj_type module_ktype; -extern int module_sysfs_initialized; -#endif /* CONFIG_SYSFS */ - -#define symbol_request(x) try_then_request_module(symbol_get(x), "symbol:" #x) - -/* BELOW HERE ALL THESE ARE OBSOLETE AND WILL VANISH */ - -#define __MODULE_STRING(x) __stringify(x) - -#ifdef CONFIG_DEBUG_SET_MODULE_RONX -extern void set_all_modules_text_rw(void); -extern void set_all_modules_text_ro(void); -#else -static inline void set_all_modules_text_rw(void) { } -static inline void set_all_modules_text_ro(void) { } -#endif - -#ifdef CONFIG_GENERIC_BUG -void module_bug_finalize(const Elf_Ehdr *, const Elf_Shdr *, - struct module *); -void module_bug_cleanup(struct module *); - -#else /* !CONFIG_GENERIC_BUG */ - -static inline void module_bug_finalize(const Elf_Ehdr *hdr, - const Elf_Shdr *sechdrs, - struct module *mod) -{ -} -static inline void module_bug_cleanup(struct module *mod) {} -#endif /* CONFIG_GENERIC_BUG */ - -#endif /* _LINUX_MODULE_H */ |