1951a39d68df598db08dfced8b4707755864a0492Ying Wang/**************************************************************************** 2951a39d68df598db08dfced8b4707755864a0492Ying Wang **************************************************************************** 3951a39d68df598db08dfced8b4707755864a0492Ying Wang *** 4951a39d68df598db08dfced8b4707755864a0492Ying Wang *** This header was automatically generated from a Linux kernel header 5951a39d68df598db08dfced8b4707755864a0492Ying Wang *** of the same name, to make information necessary for userspace to 6951a39d68df598db08dfced8b4707755864a0492Ying Wang *** call into the kernel available to libc. It contains only constants, 7951a39d68df598db08dfced8b4707755864a0492Ying Wang *** structures, and macros generated from the original header, and thus, 8951a39d68df598db08dfced8b4707755864a0492Ying Wang *** contains no copyrightable information. 9951a39d68df598db08dfced8b4707755864a0492Ying Wang *** 10951a39d68df598db08dfced8b4707755864a0492Ying Wang **************************************************************************** 11951a39d68df598db08dfced8b4707755864a0492Ying Wang ****************************************************************************/ 12951a39d68df598db08dfced8b4707755864a0492Ying Wang#ifndef _LINUX_MODULE_PARAMS_H 13951a39d68df598db08dfced8b4707755864a0492Ying Wang#define _LINUX_MODULE_PARAMS_H 14951a39d68df598db08dfced8b4707755864a0492Ying Wang 15951a39d68df598db08dfced8b4707755864a0492Ying Wang#include <linux/init.h> 16951a39d68df598db08dfced8b4707755864a0492Ying Wang#include <linux/stringify.h> 17951a39d68df598db08dfced8b4707755864a0492Ying Wang#include <linux/kernel.h> 18951a39d68df598db08dfced8b4707755864a0492Ying Wang 19951a39d68df598db08dfced8b4707755864a0492Ying Wang#ifdef MODULE 20951a39d68df598db08dfced8b4707755864a0492Ying Wang#define MODULE_PARAM_PREFIX 21951a39d68df598db08dfced8b4707755864a0492Ying Wang#else 22951a39d68df598db08dfced8b4707755864a0492Ying Wang#define MODULE_PARAM_PREFIX KBUILD_MODNAME "." 23951a39d68df598db08dfced8b4707755864a0492Ying Wang#endif 24951a39d68df598db08dfced8b4707755864a0492Ying Wang 25951a39d68df598db08dfced8b4707755864a0492Ying Wang#ifdef MODULE 26951a39d68df598db08dfced8b4707755864a0492Ying Wang#define ___module_cat(a,b) __mod_ ## a ## b 27951a39d68df598db08dfced8b4707755864a0492Ying Wang#define __module_cat(a,b) ___module_cat(a,b) 28951a39d68df598db08dfced8b4707755864a0492Ying Wang#define __MODULE_INFO(tag, name, info) static const char __module_cat(name,__LINE__)[] __attribute_used__ __attribute__((section(".modinfo"),unused)) = __stringify(tag) "=" info 29951a39d68df598db08dfced8b4707755864a0492Ying Wang#else 30951a39d68df598db08dfced8b4707755864a0492Ying Wang#define __MODULE_INFO(tag, name, info) 31951a39d68df598db08dfced8b4707755864a0492Ying Wang#endif 32951a39d68df598db08dfced8b4707755864a0492Ying Wang#define __MODULE_PARM_TYPE(name, _type) __MODULE_INFO(parmtype, name##type, #name ":" _type) 33951a39d68df598db08dfced8b4707755864a0492Ying Wang 34951a39d68df598db08dfced8b4707755864a0492Ying Wangstruct kernel_param; 35951a39d68df598db08dfced8b4707755864a0492Ying Wang 36951a39d68df598db08dfced8b4707755864a0492Ying Wangtypedef int (*param_set_fn)(const char *val, struct kernel_param *kp); 37951a39d68df598db08dfced8b4707755864a0492Ying Wang 38951a39d68df598db08dfced8b4707755864a0492Ying Wangtypedef int (*param_get_fn)(char *buffer, struct kernel_param *kp); 39951a39d68df598db08dfced8b4707755864a0492Ying Wang 40951a39d68df598db08dfced8b4707755864a0492Ying Wangstruct kernel_param { 41951a39d68df598db08dfced8b4707755864a0492Ying Wang const char *name; 42951a39d68df598db08dfced8b4707755864a0492Ying Wang unsigned int perm; 43951a39d68df598db08dfced8b4707755864a0492Ying Wang param_set_fn set; 44951a39d68df598db08dfced8b4707755864a0492Ying Wang param_get_fn get; 45951a39d68df598db08dfced8b4707755864a0492Ying Wang void *arg; 46951a39d68df598db08dfced8b4707755864a0492Ying Wang}; 47951a39d68df598db08dfced8b4707755864a0492Ying Wang 48951a39d68df598db08dfced8b4707755864a0492Ying Wangstruct kparam_string { 49951a39d68df598db08dfced8b4707755864a0492Ying Wang unsigned int maxlen; 50951a39d68df598db08dfced8b4707755864a0492Ying Wang char *string; 51951a39d68df598db08dfced8b4707755864a0492Ying Wang}; 52951a39d68df598db08dfced8b4707755864a0492Ying Wang 53951a39d68df598db08dfced8b4707755864a0492Ying Wangstruct kparam_array 54951a39d68df598db08dfced8b4707755864a0492Ying Wang{ 55951a39d68df598db08dfced8b4707755864a0492Ying Wang unsigned int max; 56951a39d68df598db08dfced8b4707755864a0492Ying Wang unsigned int *num; 57951a39d68df598db08dfced8b4707755864a0492Ying Wang param_set_fn set; 58951a39d68df598db08dfced8b4707755864a0492Ying Wang param_get_fn get; 59951a39d68df598db08dfced8b4707755864a0492Ying Wang unsigned int elemsize; 60951a39d68df598db08dfced8b4707755864a0492Ying Wang void *elem; 61951a39d68df598db08dfced8b4707755864a0492Ying Wang}; 62951a39d68df598db08dfced8b4707755864a0492Ying Wang 63951a39d68df598db08dfced8b4707755864a0492Ying Wang#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 } 64951a39d68df598db08dfced8b4707755864a0492Ying Wang 65951a39d68df598db08dfced8b4707755864a0492Ying Wang#define module_param_call(name, set, get, arg, perm) __module_param_call(MODULE_PARAM_PREFIX, name, set, get, arg, perm) 66951a39d68df598db08dfced8b4707755864a0492Ying Wang 67951a39d68df598db08dfced8b4707755864a0492Ying Wang#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) 68951a39d68df598db08dfced8b4707755864a0492Ying Wang 69951a39d68df598db08dfced8b4707755864a0492Ying Wang#define module_param(name, type, perm) module_param_named(name, name, type, perm) 70951a39d68df598db08dfced8b4707755864a0492Ying Wang 71951a39d68df598db08dfced8b4707755864a0492Ying Wang#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") 72951a39d68df598db08dfced8b4707755864a0492Ying Wang 73951a39d68df598db08dfced8b4707755864a0492Ying Wang#define __param_check(name, p, type) static inline type *__check_##name(void) { return(p); } 74951a39d68df598db08dfced8b4707755864a0492Ying Wang 75951a39d68df598db08dfced8b4707755864a0492Ying Wang#define param_check_byte(name, p) __param_check(name, p, unsigned char) 76951a39d68df598db08dfced8b4707755864a0492Ying Wang 77951a39d68df598db08dfced8b4707755864a0492Ying Wang#define param_check_short(name, p) __param_check(name, p, short) 78951a39d68df598db08dfced8b4707755864a0492Ying Wang 79951a39d68df598db08dfced8b4707755864a0492Ying Wang#define param_check_ushort(name, p) __param_check(name, p, unsigned short) 80951a39d68df598db08dfced8b4707755864a0492Ying Wang 81951a39d68df598db08dfced8b4707755864a0492Ying Wang#define param_check_int(name, p) __param_check(name, p, int) 82951a39d68df598db08dfced8b4707755864a0492Ying Wang 83951a39d68df598db08dfced8b4707755864a0492Ying Wang#define param_check_uint(name, p) __param_check(name, p, unsigned int) 84951a39d68df598db08dfced8b4707755864a0492Ying Wang 85951a39d68df598db08dfced8b4707755864a0492Ying Wang#define param_check_long(name, p) __param_check(name, p, long) 86951a39d68df598db08dfced8b4707755864a0492Ying Wang 87951a39d68df598db08dfced8b4707755864a0492Ying Wang#define param_check_ulong(name, p) __param_check(name, p, unsigned long) 88951a39d68df598db08dfced8b4707755864a0492Ying Wang 89951a39d68df598db08dfced8b4707755864a0492Ying Wang#define param_check_charp(name, p) __param_check(name, p, char *) 90951a39d68df598db08dfced8b4707755864a0492Ying Wang 91951a39d68df598db08dfced8b4707755864a0492Ying Wang#define param_check_bool(name, p) __param_check(name, p, int) 92951a39d68df598db08dfced8b4707755864a0492Ying Wang 93951a39d68df598db08dfced8b4707755864a0492Ying Wang#define param_check_invbool(name, p) __param_check(name, p, int) 94951a39d68df598db08dfced8b4707755864a0492Ying Wang 95951a39d68df598db08dfced8b4707755864a0492Ying Wang#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) 96951a39d68df598db08dfced8b4707755864a0492Ying Wang 97951a39d68df598db08dfced8b4707755864a0492Ying Wang#define module_param_array(name, type, nump, perm) module_param_array_named(name, name, type, nump, perm) 98951a39d68df598db08dfced8b4707755864a0492Ying Wang 99951a39d68df598db08dfced8b4707755864a0492Ying Wangstruct module; 100951a39d68df598db08dfced8b4707755864a0492Ying Wang 101951a39d68df598db08dfced8b4707755864a0492Ying Wang#endif 102