/**************************************************************************** **************************************************************************** *** *** This header was automatically generated from a Linux kernel header *** of the same name, to make information necessary for userspace to *** call into the kernel available to libc. It contains only constants, *** structures, and macros generated from the original header, and thus, *** contains no copyrightable information. *** **************************************************************************** ****************************************************************************/ #ifndef _LINUX_MODULE_PARAMS_H #define _LINUX_MODULE_PARAMS_H #include <linux/init.h> #include <linux/stringify.h> #include <linux/kernel.h> #ifdef MODULE #define MODULE_PARAM_PREFIX #else #define MODULE_PARAM_PREFIX KBUILD_MODNAME "." #endif #ifdef MODULE #define ___module_cat(a,b) __mod_ ## a ## b #define __module_cat(a,b) ___module_cat(a,b) #define __MODULE_INFO(tag, name, info) static const char __module_cat(name,__LINE__)[] __attribute_used__ __attribute__((section(".modinfo"),unused)) = __stringify(tag) "=" info #else #define __MODULE_INFO(tag, name, info) #endif #define __MODULE_PARM_TYPE(name, _type) __MODULE_INFO(parmtype, name##type, #name ":" _type) struct kernel_param; typedef int (*param_set_fn)(const char *val, struct kernel_param *kp); typedef int (*param_get_fn)(char *buffer, struct kernel_param *kp); struct kernel_param { const char *name; unsigned int perm; param_set_fn set; param_get_fn get; void *arg; }; struct kparam_string { unsigned int maxlen; char *string; }; struct kparam_array { unsigned int max; unsigned int *num; param_set_fn set; param_get_fn get; unsigned int elemsize; void *elem; }; #define __module_param_call(prefix, name, set, get, arg, perm) static char __param_str_##name[] = prefix #name; static struct kernel_param const __param_##name __attribute_used__ __attribute__ ((unused,__section__ ("__param"),aligned(sizeof(void *)))) = { __param_str_##name, perm, set, get, arg } #define module_param_call(name, set, get, arg, perm) __module_param_call(MODULE_PARAM_PREFIX, name, set, get, arg, perm) #define module_param_named(name, value, type, perm) param_check_##type(name, &(value)); module_param_call(name, param_set_##type, param_get_##type, &value, perm); __MODULE_PARM_TYPE(name, #type) #define module_param(name, type, perm) module_param_named(name, name, type, perm) #define module_param_string(name, string, len, perm) static struct kparam_string __param_string_##name = { len, string }; module_param_call(name, param_set_copystring, param_get_string, &__param_string_##name, perm); __MODULE_PARM_TYPE(name, "string") #define __param_check(name, p, type) static inline type *__check_##name(void) { return(p); } #define param_check_byte(name, p) __param_check(name, p, unsigned char) #define param_check_short(name, p) __param_check(name, p, short) #define param_check_ushort(name, p) __param_check(name, p, unsigned short) #define param_check_int(name, p) __param_check(name, p, int) #define param_check_uint(name, p) __param_check(name, p, unsigned int) #define param_check_long(name, p) __param_check(name, p, long) #define param_check_ulong(name, p) __param_check(name, p, unsigned long) #define param_check_charp(name, p) __param_check(name, p, char *) #define param_check_bool(name, p) __param_check(name, p, int) #define param_check_invbool(name, p) __param_check(name, p, int) #define module_param_array_named(name, array, type, nump, perm) static struct kparam_array __param_arr_##name = { ARRAY_SIZE(array), nump, param_set_##type, param_get_##type, sizeof(array[0]), array }; module_param_call(name, param_array_set, param_array_get, &__param_arr_##name, perm); __MODULE_PARM_TYPE(name, "array of " #type) #define module_param_array(name, type, nump, perm) module_param_array_named(name, name, type, nump, perm) struct module; #endif