check in the original version of dde linux26.

1 files changed, 227 insertions, 0 deletions

diff --git a/libdde_linux26/contrib/include/linux/moduleparam.h b/libdde_linux26/contrib/include/linux/moduleparam.h
new file mode 100644
index 00000000..e4af3399
--- /dev/null
+++ b/libdde_linux26/contrib/include/linux/moduleparam.h
@@ -0,0 +1,227 @@
+#ifndef _LINUX_MODULE_PARAMS_H
+#define _LINUX_MODULE_PARAMS_H
+/* (C) Copyright 2001, 2002 Rusty Russell IBM Corporation */
+#include <linux/init.h>
+#include <linux/stringify.h>
+#include <linux/kernel.h>
+
+/* You can override this manually, but generally this should match the
+   module name. */
+#ifdef MODULE
+#define MODULE_PARAM_PREFIX /* empty */
+#else
+#define MODULE_PARAM_PREFIX KBUILD_MODNAME "."
+#endif
+
+/* Chosen so that structs with an unsigned long line up. */
+#define MAX_PARAM_PREFIX_LEN (64 - sizeof(unsigned long))
+
+#ifdef MODULE
+#define ___module_cat(a,b) __mod_ ## a ## b
+#define __module_cat(a,b) ___module_cat(a,b)
+#define __MODULE_INFO(tag, name, info)					  \
+static const char __module_cat(name,__LINE__)[]				  \
+  __used								  \
+  __attribute__((section(".modinfo"),unused)) = __stringify(tag) "=" info
+#else  /* !MODULE */
+#define __MODULE_INFO(tag, name, info)
+#endif
+#define __MODULE_PARM_TYPE(name, _type)					  \
+  __MODULE_INFO(parmtype, name##type, #name ":" _type)
+
+struct kernel_param;
+
+/* Returns 0, or -errno.  arg is in kp->arg. */
+typedef int (*param_set_fn)(const char *val, struct kernel_param *kp);
+/* Returns length written or -errno.  Buffer is 4k (ie. be short!) */
+typedef int (*param_get_fn)(char *buffer, struct kernel_param *kp);
+
+struct kernel_param {
+	const char *name;
+	unsigned int perm;
+	param_set_fn set;
+	param_get_fn get;
+	union {
+		void *arg;
+		const struct kparam_string *str;
+		const struct kparam_array *arr;
+	};
+};
+
+/* 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 *num;
+	param_set_fn set;
+	param_get_fn get;
+	unsigned int elemsize;
+	void *elem;
+};
+
+/* On alpha, ia64 and ppc64 relocations to global data cannot go into
+   read-only sections (which is part of respective UNIX ABI on these
+   platforms). So 'const' makes no sense and even causes compile failures
+   with some compilers. */
+#if defined(CONFIG_ALPHA) || defined(CONFIG_IA64) || defined(CONFIG_PPC64)
+#define __moduleparam_const
+#else
+#define __moduleparam_const const
+#endif
+
+/* This is the fundamental function for registering boot/module
+   parameters.  perm sets the visibility in sysfs: 000 means it's
+   not there, read bits mean it's readable, write bits mean it's
+   writable. */
+#define __module_param_call(prefix, name, set, get, arg, perm)		\
+	/* Default value instead of permissions? */			\
+	static int __param_perm_check_##name __attribute__((unused)) =	\
+	BUILD_BUG_ON_ZERO((perm) < 0 || (perm) > 0777 || ((perm) & 2))	\
+	+ BUILD_BUG_ON_ZERO(sizeof(""prefix) > MAX_PARAM_PREFIX_LEN);	\
+	static const char __param_str_##name[] = prefix #name;		\
+	static struct kernel_param __moduleparam_const __param_##name	\
+	__used								\
+    __attribute__ ((unused,__section__ ("__param"),aligned(sizeof(void *)))) \
+	= { __param_str_##name, perm, set, get, { arg } }
+
+#define module_param_call(name, set, get, arg, perm)			      \
+	__module_param_call(MODULE_PARAM_PREFIX, name, set, get, arg, perm)
+
+/* Helper functions: type is byte, short, ushort, int, uint, long,
+   ulong, charp, bool or invbool, or XXX if you define param_get_XXX,
+   param_set_XXX and param_check_XXX. */
+#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)
+
+#define module_param(name, type, perm)				\
+	module_param_named(name, name, type, perm)
+
+#ifndef MODULE
+/**
+ * core_param - define a historical core kernel parameter.
+ * @name: the name of the cmdline and sysfs parameter (often the same as var)
+ * @var: the variable
+ * @type: the type (for param_set_##type and param_get_##type)
+ * @perm: visibility in sysfs
+ *
+ * core_param is just like module_param(), but cannot be modular and
+ * doesn't add a prefix (such as "printk.").  This is for compatibility
+ * with __setup(), and it makes sense as truly core parameters aren't
+ * tied to the particular file they're in.
+ */
+#define core_param(name, var, type, perm)				\
+	param_check_##type(name, &(var));				\
+	__module_param_call("", name, param_set_##type, param_get_##type, \
+			    &var, perm)
+#endif /* !MODULE */
+
+/* Actually copy string: maxlen param is usually sizeof(string). */
+#define module_param_string(name, string, len, perm)			\
+	static const struct kparam_string __param_string_##name		\
+		= { len, string };					\
+	module_param_call(name, param_set_copystring, param_get_string,	\
+			  .str = &__param_string_##name, perm);		\
+	__MODULE_PARM_TYPE(name, "string")
+
+/* Called on module insert or kernel boot */
+extern int parse_args(const char *name,
+		      char *args,
+		      struct kernel_param *params,
+		      unsigned num,
+		      int (*unknown)(char *param, char *val));
+
+/* All the helper functions */
+/* The macros to do compile-time type checking stolen from Jakub
+   Jelinek, who IIRC came up with this idea for the 2.4 module init code. */
+#define __param_check(name, p, type) \
+	static inline type *__check_##name(void) { return(p); }
+
+extern int param_set_byte(const char *val, struct kernel_param *kp);
+extern int param_get_byte(char *buffer, struct kernel_param *kp);
+#define param_check_byte(name, p) __param_check(name, p, unsigned char)
+
+extern int param_set_short(const char *val, struct kernel_param *kp);
+extern int param_get_short(char *buffer, struct kernel_param *kp);
+#define param_check_short(name, p) __param_check(name, p, short)
+
+extern int param_set_ushort(const char *val, struct kernel_param *kp);
+extern int param_get_ushort(char *buffer, struct kernel_param *kp);
+#define param_check_ushort(name, p) __param_check(name, p, unsigned short)
+
+extern int param_set_int(const char *val, struct kernel_param *kp);
+extern int param_get_int(char *buffer, struct kernel_param *kp);
+#define param_check_int(name, p) __param_check(name, p, int)
+
+extern int param_set_uint(const char *val, struct kernel_param *kp);
+extern int param_get_uint(char *buffer, struct kernel_param *kp);
+#define param_check_uint(name, p) __param_check(name, p, unsigned int)
+
+extern int param_set_long(const char *val, struct kernel_param *kp);
+extern int param_get_long(char *buffer, struct kernel_param *kp);
+#define param_check_long(name, p) __param_check(name, p, long)
+
+extern int param_set_ulong(const char *val, struct kernel_param *kp);
+extern int param_get_ulong(char *buffer, struct kernel_param *kp);
+#define param_check_ulong(name, p) __param_check(name, p, unsigned long)
+
+extern int param_set_charp(const char *val, struct kernel_param *kp);
+extern int param_get_charp(char *buffer, struct kernel_param *kp);
+#define param_check_charp(name, p) __param_check(name, p, char *)
+
+extern int param_set_bool(const char *val, struct kernel_param *kp);
+extern int param_get_bool(char *buffer, struct kernel_param *kp);
+#define param_check_bool(name, p) __param_check(name, p, int)
+
+extern int param_set_invbool(const char *val, struct kernel_param *kp);
+extern int param_get_invbool(char *buffer, struct kernel_param *kp);
+#define param_check_invbool(name, p) __param_check(name, p, int)
+
+/* Comma-separated array: *nump is set to number they actually specified. */
+#define module_param_array_named(name, array, type, nump, perm)		\
+	static const 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, 	\
+			  .arr = &__param_arr_##name, perm);		\
+	__MODULE_PARM_TYPE(name, "array of " #type)
+
+#define module_param_array(name, type, nump, perm)		\
+	module_param_array_named(name, name, type, nump, perm)
+
+extern int param_array_set(const char *val, struct kernel_param *kp);
+extern int param_array_get(char *buffer, struct kernel_param *kp);
+
+extern int param_set_copystring(const char *val, struct kernel_param *kp);
+extern int param_get_string(char *buffer, struct kernel_param *kp);
+
+/* for exporting parameters in /sys/parameters */
+
+struct module;
+
+#if defined(CONFIG_SYSFS) && defined(CONFIG_MODULES)
+extern int module_param_sysfs_setup(struct module *mod,
+				    struct kernel_param *kparam,
+				    unsigned int num_params);
+
+extern void module_param_sysfs_remove(struct module *mod);
+#else
+static inline int module_param_sysfs_setup(struct module *mod,
+			     struct kernel_param *kparam,
+			     unsigned int num_params)
+{
+	return 0;
+}
+
+static inline void module_param_sysfs_remove(struct module *mod)
+{ }
+#endif
+
+#endif /* _LINUX_MODULE_PARAMS_H */