include/linux/moduleparam.h

73 	const u16 perm;
105  * @perm: visibility in sysfs.
111  * @perm is 0 if the variable is not to appear in sysfs, or 0444
126 #define module_param(name, type, perm)				\
127 	module_param_named(name, name, type, perm)
133  * @perm: visibility in sysfs.
135 #define module_param_unsafe(name, type, perm)			\
136 	module_param_named_unsafe(name, name, type, perm)
143  * @perm: visibility in sysfs.
149 #define module_param_named(name, value, type, perm)			   \
151 	module_param_cb(name, &param_ops_##type, &value, perm);		   \
159  * @perm: visibility in sysfs.
161 #define module_param_named_unsafe(name, value, type, perm)		\
163 	module_param_cb_unsafe(name, &param_ops_##type, &value, perm);	\
171  * @perm: visibility in sysfs.
175 #define module_param_cb(name, ops, arg, perm)				      \
176 	__module_param_call(MODULE_PARAM_PREFIX, name, ops, arg, perm, -1, 0)
178 #define module_param_cb_unsafe(name, ops, arg, perm)			      \
179 	__module_param_call(MODULE_PARAM_PREFIX, name, ops, arg, perm, -1,    \
182 #define __level_param_cb(name, ops, arg, perm, level)			\
183 	__module_param_call(MODULE_PARAM_PREFIX, name, ops, arg, perm, level, 0)
190  * @perm: visibility in sysfs.
194 #define core_param_cb(name, ops, arg, perm)		\
195 	__level_param_cb(name, ops, arg, perm, 1)
203  * @perm: visibility in sysfs.
207 #define postcore_param_cb(name, ops, arg, perm)		\
208 	__level_param_cb(name, ops, arg, perm, 2)
216  * @perm: visibility in sysfs.
220 #define arch_param_cb(name, ops, arg, perm)		\
221 	__level_param_cb(name, ops, arg, perm, 3)
229  * @perm: visibility in sysfs.
233 #define subsys_param_cb(name, ops, arg, perm)		\
234 	__level_param_cb(name, ops, arg, perm, 4)
242  * @perm: visibility in sysfs.
246 #define fs_param_cb(name, ops, arg, perm)		\
247 	__level_param_cb(name, ops, arg, perm, 5)
255  * @perm: visibility in sysfs.
259 #define device_param_cb(name, ops, arg, perm)		\
260 	__level_param_cb(name, ops, arg, perm, 6)
268  * @perm: visibility in sysfs.
272 #define late_param_cb(name, ops, arg, perm)		\
273 	__level_param_cb(name, ops, arg, perm, 7)
287 #define __module_param_call(prefix, name, ops, arg, perm, level, flags)	\
294 	    VERIFY_OCTAL_PERMISSIONS(perm), level, flags, { arg } }
301 #define module_param_call(name, _set, _get, arg, perm)			\
305 			    name, &__param_ops_##name, arg, perm, -1, 0)
325  * @perm: visibility in sysfs
332 #define core_param(name, var, type, perm)				\
334 	__module_param_call("", name, &param_ops_##type, &var, perm, -1, 0)
341  * @perm: visibility in sysfs
343 #define core_param_unsafe(name, var, type, perm)		\
345 	__module_param_call("", name, &param_ops_##type, &var, perm,	\
355  * @perm: visibility in sysfs.
360 #define module_param_string(name, string, len, perm)			\
365 			    .str = &__param_string_##name, perm, -1, 0);\
496  * @perm: visibility in sysfs
504 #define module_param_array(name, type, nump, perm)		\
505 	module_param_array_named(name, name, type, nump, perm)
513  * @perm: visibility in sysfs
518 #define module_param_array_named(name, array, type, nump, perm)		\
527 			    perm, -1, 0);				\
546  * @perm: visibility in sysfs.
552 #define module_param_hw_named(name, value, type, hwtype, perm)		\
556 			    perm, -1,					\
560 #define module_param_hw(name, type, hwtype, perm)		\
561 	module_param_hw_named(name, name, type, hwtype, perm)
569  * @perm: visibility in sysfs
577 #define module_param_hw_array(name, type, hwtype, nump, perm)		\
586 			    perm, -1,					\