111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert/**************************************************************************** 211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert **************************************************************************** 311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert *** 411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert *** This header was automatically generated from a Linux kernel header 511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert *** of the same name, to make information necessary for userspace to 611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert *** call into the kernel available to libc. It contains only constants, 711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert *** structures, and macros generated from the original header, and thus, 811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert *** contains no copyrightable information. 911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert *** 1011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert **************************************************************************** 1111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert ****************************************************************************/ 1211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#ifndef _LINUX_MODULE_PARAMS_H 1311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define _LINUX_MODULE_PARAMS_H 1411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 1511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#include <linux/init.h> 1611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#include <linux/stringify.h> 1711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#include <linux/kernel.h> 1811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 1911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#ifdef MODULE 2011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define MODULE_PARAM_PREFIX 2111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#else 2211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define MODULE_PARAM_PREFIX KBUILD_MODNAME "." 2311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#endif 2411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 2511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#ifdef MODULE 2611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define ___module_cat(a,b) __mod_ ## a ## b 2711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define __module_cat(a,b) ___module_cat(a,b) 2811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define __MODULE_INFO(tag, name, info) static const char __module_cat(name,__LINE__)[] __attribute_used__ __attribute__((section(".modinfo"),unused)) = __stringify(tag) "=" info 2911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#else 3011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define __MODULE_INFO(tag, name, info) 3111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#endif 3211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define __MODULE_PARM_TYPE(name, _type) __MODULE_INFO(parmtype, name##type, #name ":" _type) 3311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 3411cd02dfb91661c65134cac258cf5924270e9d2Dan Albertstruct kernel_param; 3511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 3611cd02dfb91661c65134cac258cf5924270e9d2Dan Alberttypedef int (*param_set_fn)(const char *val, struct kernel_param *kp); 3711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 3811cd02dfb91661c65134cac258cf5924270e9d2Dan Alberttypedef int (*param_get_fn)(char *buffer, struct kernel_param *kp); 3911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 4011cd02dfb91661c65134cac258cf5924270e9d2Dan Albertstruct kernel_param { 4111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert const char *name; 4211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert unsigned int perm; 4311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert param_set_fn set; 4411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert param_get_fn get; 4511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert void *arg; 4611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert}; 4711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 4811cd02dfb91661c65134cac258cf5924270e9d2Dan Albertstruct kparam_string { 4911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert unsigned int maxlen; 5011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert char *string; 5111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert}; 5211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 5311cd02dfb91661c65134cac258cf5924270e9d2Dan Albertstruct kparam_array 5411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert{ 5511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert unsigned int max; 5611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert unsigned int *num; 5711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert param_set_fn set; 5811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert param_get_fn get; 5911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert unsigned int elemsize; 6011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert void *elem; 6111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert}; 6211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 6311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#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 } 6411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 6511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define module_param_call(name, set, get, arg, perm) __module_param_call(MODULE_PARAM_PREFIX, name, set, get, arg, perm) 6611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 6711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#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) 6811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 6911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define module_param(name, type, perm) module_param_named(name, name, type, perm) 7011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 7111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#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") 7211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 7311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define __param_check(name, p, type) static inline type *__check_##name(void) { return(p); } 7411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 7511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define param_check_byte(name, p) __param_check(name, p, unsigned char) 7611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 7711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define param_check_short(name, p) __param_check(name, p, short) 7811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 7911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define param_check_ushort(name, p) __param_check(name, p, unsigned short) 8011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 8111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define param_check_int(name, p) __param_check(name, p, int) 8211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 8311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define param_check_uint(name, p) __param_check(name, p, unsigned int) 8411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 8511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define param_check_long(name, p) __param_check(name, p, long) 8611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 8711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define param_check_ulong(name, p) __param_check(name, p, unsigned long) 8811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 8911cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define param_check_charp(name, p) __param_check(name, p, char *) 9011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 9111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define param_check_bool(name, p) __param_check(name, p, int) 9211cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 9311cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define param_check_invbool(name, p) __param_check(name, p, int) 9411cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 9511cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#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) 9611cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 9711cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#define module_param_array(name, type, nump, perm) module_param_array_named(name, name, type, nump, perm) 9811cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 9911cd02dfb91661c65134cac258cf5924270e9d2Dan Albertstruct module; 10011cd02dfb91661c65134cac258cf5924270e9d2Dan Albert 10111cd02dfb91661c65134cac258cf5924270e9d2Dan Albert#endif 102