1 /****************************************************************************
2 ****************************************************************************
4 *** This header was automatically generated from a Linux kernel header
5 *** of the same name, to make information necessary for userspace to
6 *** call into the kernel available to libc. It contains only constants,
7 *** structures, and macros generated from the original header, and thus,
8 *** contains no copyrightable information.
10 ****************************************************************************
11 ****************************************************************************/
12 #ifndef _LINUX_MODULE_PARAMS_H
13 #define _LINUX_MODULE_PARAMS_H
15 #include <linux/init.h>
16 #include <linux/stringify.h>
17 #include <linux/kernel.h>
20 #define MODULE_PARAM_PREFIX
22 #define MODULE_PARAM_PREFIX KBUILD_MODNAME "."
26 #define ___module_cat(a,b) __mod_ ## a ## b
27 #define __module_cat(a,b) ___module_cat(a,b)
28 #define __MODULE_INFO(tag, name, info) static const char __module_cat(name,__LINE__)[] __attribute_used__ __attribute__((section(".modinfo"),unused)) = __stringify(tag) "=" info
30 #define __MODULE_INFO(tag, name, info)
32 #define __MODULE_PARM_TYPE(name, _type) __MODULE_INFO(parmtype, name##type, #name ":" _type)
36 typedef int (*param_set_fn)(const char *val, struct kernel_param *kp);
38 typedef int (*param_get_fn)(char *buffer, struct kernel_param *kp);
48 struct kparam_string {
59 unsigned int elemsize;
63 #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 }
65 #define module_param_call(name, set, get, arg, perm) __module_param_call(MODULE_PARAM_PREFIX, name, set, get, arg, perm)
67 #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)
69 #define module_param(name, type, perm) module_param_named(name, name, type, perm)
71 #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")
73 #define __param_check(name, p, type) static inline type *__check_##name(void) { return(p); }
75 #define param_check_byte(name, p) __param_check(name, p, unsigned char)
77 #define param_check_short(name, p) __param_check(name, p, short)
79 #define param_check_ushort(name, p) __param_check(name, p, unsigned short)
81 #define param_check_int(name, p) __param_check(name, p, int)
83 #define param_check_uint(name, p) __param_check(name, p, unsigned int)
85 #define param_check_long(name, p) __param_check(name, p, long)
87 #define param_check_ulong(name, p) __param_check(name, p, unsigned long)
89 #define param_check_charp(name, p) __param_check(name, p, char *)
91 #define param_check_bool(name, p) __param_check(name, p, int)
93 #define param_check_invbool(name, p) __param_check(name, p, int)
95 #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)
97 #define module_param_array(name, type, nump, perm) module_param_array_named(name, name, type, nump, perm)