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