10    module name. */
23 #define __MODULE_INFO(tag, name, info)					  \  argument
24 static const char __UNIQUE_ID(name)[]					  \
28 #define __MODULE_PARM_TYPE(name, _type)					  \  argument
29   __MODULE_INFO(parmtype, name##type, #name ":" _type)
70 	const char *name;  member
103  * @value: the variable to alter, and exposed parameter name.
126 #define module_param(name, type, perm)				\  argument
127 	module_param_named(name, name, type, perm)
132 #define module_param_unsafe(name, type, perm)			\  argument
133 	module_param_named_unsafe(name, name, type, perm)
137  * @name: a valid C identifier which is the parameter name.
144  * structure.  This allows exposure under a different name.
146 #define module_param_named(name, value, type, perm)			   \  argument
147 	param_check_##type(name, &(value));				   \
148 	module_param_cb(name, &param_ops_##type, &value, perm);		   \
149 	__MODULE_PARM_TYPE(name, #type)
154 #define module_param_named_unsafe(name, value, type, perm)		\  argument
155 	param_check_##type(name, &(value));				\
156 	module_param_cb_unsafe(name, &param_ops_##type, &value, perm);	\
157 	__MODULE_PARM_TYPE(name, #type)
161  * @name: a valid C identifier which is the parameter name.
167 #define module_param_cb(name, ops, arg, perm)				      \  argument
168 	__module_param_call(MODULE_PARAM_PREFIX, name, ops, arg, perm, -1, 0)
170 #define module_param_cb_unsafe(name, ops, arg, perm)			      \  argument
171 	__module_param_call(MODULE_PARAM_PREFIX, name, ops, arg, perm, -1,    \
177  * @name: a valid C identifier which is the parameter name.
183 #define __level_param_cb(name, ops, arg, perm, level)			\  argument
184 	__module_param_call(MODULE_PARAM_PREFIX, name, ops, arg, perm, level, 0)
186 #define core_param_cb(name, ops, arg, perm)		\  argument
187 	__level_param_cb(name, ops, arg, perm, 1)
189 #define postcore_param_cb(name, ops, arg, perm)		\  argument
190 	__level_param_cb(name, ops, arg, perm, 2)
192 #define arch_param_cb(name, ops, arg, perm)		\  argument
193 	__level_param_cb(name, ops, arg, perm, 3)
195 #define subsys_param_cb(name, ops, arg, perm)		\  argument
196 	__level_param_cb(name, ops, arg, perm, 4)
198 #define fs_param_cb(name, ops, arg, perm)		\  argument
199 	__level_param_cb(name, ops, arg, perm, 5)
201 #define device_param_cb(name, ops, arg, perm)		\  argument
202 	__level_param_cb(name, ops, arg, perm, 6)
204 #define late_param_cb(name, ops, arg, perm)		\  argument
205 	__level_param_cb(name, ops, arg, perm, 7)
219 #define __module_param_call(prefix, name, ops, arg, perm, level, flags)	\  argument
221 	static const char __param_str_##name[] = prefix #name;		\
222 	static struct kernel_param __moduleparam_const __param_##name	\
225 	= { __param_str_##name, THIS_MODULE, ops,			\
229 #define module_param_call(name, _set, _get, arg, perm)			\  argument
230 	static const struct kernel_param_ops __param_ops_##name =	\
233 			    name, &__param_ops_##name, arg, perm, -1, 0)
250  * @name: the name of the cmdline and sysfs parameter (often the same as var)
260 #define core_param(name, var, type, perm)				\  argument
261 	param_check_##type(name, &(var));				\
262 	__module_param_call("", name, &param_ops_##type, &var, perm, -1, 0)
267 #define core_param_unsafe(name, var, type, perm)		\  argument
268 	param_check_##type(name, &(var));				\
269 	__module_param_call("", name, &param_ops_##type, &var, perm,	\
276  * @name: the name of the parameter
284 #define module_param_string(name, string, len, perm)			\  argument
285 	static const struct kparam_string __param_string_##name		\
287 	__module_param_call(MODULE_PARAM_PREFIX, name,			\
289 			    .str = &__param_string_##name, perm, -1, 0);\
290 	__MODULE_PARM_TYPE(name, "string")
294  * @name1: parameter name 1
295  * @name2: parameter name 2
304  * @name1: parameter name 1
305  * @name2: parameter name 2
313 extern char *parse_args(const char *name,
336 #define __param_check(name, p, type) \  argument
337 	static inline type __always_unused *__check_##name(void) { return(p); }
342 #define param_check_byte(name, p) __param_check(name, p, unsigned char)  argument
347 #define param_check_short(name, p) __param_check(name, p, short)  argument
352 #define param_check_ushort(name, p) __param_check(name, p, unsigned short)  argument
357 #define param_check_int(name, p) __param_check(name, p, int)  argument
362 #define param_check_uint(name, p) __param_check(name, p, unsigned int)  argument
367 #define param_check_long(name, p) __param_check(name, p, long)  argument
372 #define param_check_ulong(name, p) __param_check(name, p, unsigned long)  argument
377 #define param_check_ullong(name, p) __param_check(name, p, unsigned long long)  argument
383 #define param_check_charp(name, p) __param_check(name, p, char *)  argument
389 #define param_check_bool(name, p) __param_check(name, p, bool)  argument
400 #define param_check_invbool(name, p) __param_check(name, p, bool)  argument
410  * @name: the name of the array variable
418  * ARRAY_SIZE(@name) is used to determine the number of elements in the
421 #define module_param_array(name, type, nump, perm)		\  argument
422 	module_param_array_named(name, name, type, nump, perm)
426  * @name: a valid C identifier which is the parameter name
427  * @array: the name of the array variable
432  * This exposes a different name than the actual variable name.  See
435 #define module_param_array_named(name, array, type, nump, perm)		\  argument
436 	param_check_##type(name, &(array)[0]);				\
437 	static const struct kparam_array __param_arr_##name		\
441 	__module_param_call(MODULE_PARAM_PREFIX, name,			\
443 			    .arr = &__param_arr_##name,			\
445 	__MODULE_PARM_TYPE(name, "array of " #type)
459  * @name: a valid C identifier which is the parameter name.
467  * structure.  This allows exposure under a different name.
469 #define module_param_hw_named(name, value, type, hwtype, perm)		\  argument
470 	param_check_##type(name, &(value));				\
471 	__module_param_call(MODULE_PARAM_PREFIX, name,			\
475 	__MODULE_PARM_TYPE(name, #type)
477 #define module_param_hw(name, type, hwtype, perm)		\  argument
478 	module_param_hw_named(name, name, type, hwtype, perm)
482  * @name: the name of the array variable
491  * ARRAY_SIZE(@name) is used to determine the number of elements in the
494 #define module_param_hw_array(name, type, hwtype, nump, perm)		\  argument
495 	param_check_##type(name, &(name)[0]);				\
496 	static const struct kparam_array __param_arr_##name		\
497 	= { .max = ARRAY_SIZE(name), .num = nump,			\
499 	    .elemsize = sizeof(name[0]), .elem = name };		\
500 	__module_param_call(MODULE_PARAM_PREFIX, name,			\
502 			    .arr = &__param_arr_##name,			\
505 	__MODULE_PARM_TYPE(name, "array of " #type)