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Index of /anon_sym/anon/proc/self/root/sys/module/psmouse/drivers
Index of /anon_sym/anon/proc/self/root/sys/module/psmouse/drivers
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p?_I|+ ? /* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_MODULE_PARAMS_H
#define _LINUX_MODULE_PARAMS_H
/* (C) Copyright 2001, 2002 Rusty Russell IBM Corporation */
#include
#include
#include
/* You can override this manually, but generally this should match the
module name. */
#ifdef MODULE
#define MODULE_PARAM_PREFIX /* empty */
#define __MODULE_INFO_PREFIX /* empty */
#else
#define MODULE_PARAM_PREFIX KBUILD_MODNAME "."
/* We cannot use MODULE_PARAM_PREFIX because some modules override it. */
#define __MODULE_INFO_PREFIX KBUILD_MODNAME "."
#endif
/* Chosen so that structs with an unsigned long line up. */
#define MAX_PARAM_PREFIX_LEN (64 - sizeof(unsigned long))
#define __MODULE_INFO(tag, name, info) \
static const char __UNIQUE_ID(name)[] \
__used __section(".modinfo") __aligned(1) \
= __MODULE_INFO_PREFIX __stringify(tag) "=" info
#define __MODULE_PARM_TYPE(name, _type) \
__MODULE_INFO(parmtype, name##type, #name ":" _type)
/* One for each parameter, describing how to use it. Some files do
multiple of these per line, so can't just use MODULE_INFO. */
#define MODULE_PARM_DESC(_parm, desc) \
__MODULE_INFO(parm, _parm, #_parm ":" desc)
struct kernel_param;
/*
* Flags available for kernel_param_ops
*
* NOARG - the parameter allows for no argument (foo instead of foo=1)
*/
enum {
KERNEL_PARAM_OPS_FL_NOARG = (1 << 0)
};
struct kernel_param_ops {
/* How the ops should behave */
unsigned int flags;
/* Returns 0, or -errno. arg is in kp->arg. */
int (*set)(const char *val, const struct kernel_param *kp);
/* Returns length written or -errno. Buffer is 4k (ie. be short!) */
int (*get)(char *buffer, const struct kernel_param *kp);
/* Optional function to free kp->arg when module unloaded. */
void (*free)(void *arg);
};
/*
* Flags available for kernel_param
*
* UNSAFE - the parameter is dangerous and setting it will taint the kernel
* HWPARAM - Hardware param not permitted in lockdown mode
*/
enum {
KERNEL_PARAM_FL_UNSAFE = (1 << 0),
KERNEL_PARAM_FL_HWPARAM = (1 << 1),
};
struct kernel_param {
const char *name;
struct module *mod;
const struct kernel_param_ops *ops;
const u16 perm;
s8 level;
u8 flags;
union {
void *arg;
const struct kparam_string *str;
const struct kparam_array *arr;
};
};
extern const struct kernel_param __start___param[], __stop___param[];
/* Special one for strings we want to copy into */
struct kparam_string {
unsigned int maxlen;
char *string;
};
/* Special one for arrays */
struct kparam_array
{
unsigned int max;
unsigned int elemsize;
unsigned int *num;
const struct kernel_param_ops *ops;
void *elem;
};
/**
* module_param - typesafe helper for a module/cmdline parameter
* @name: the variable to alter, and exposed parameter name.
* @type: