aboutsummaryrefslogtreecommitdiff
path: root/include/linux
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/device.h64
-rw-r--r--include/linux/fs.h46
-rw-r--r--include/linux/i2c-sysfs.h36
-rw-r--r--include/linux/input.h2
-rw-r--r--include/linux/klist.h55
-rw-r--r--include/linux/kobject.h8
-rw-r--r--include/linux/node.h1
-rw-r--r--include/linux/sysfs.h15
-rw-r--r--include/linux/usb.h5
9 files changed, 187 insertions, 45 deletions
diff --git a/include/linux/device.h b/include/linux/device.h
index df94c0de53f..7b781a72b29 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -14,6 +14,7 @@
#include <linux/config.h>
#include <linux/ioport.h>
#include <linux/kobject.h>
+#include <linux/klist.h>
#include <linux/list.h>
#include <linux/types.h>
#include <linux/module.h>
@@ -44,14 +45,15 @@ struct device;
struct device_driver;
struct class;
struct class_device;
-struct class_simple;
struct bus_type {
- char * name;
+ const char * name;
struct subsystem subsys;
struct kset drivers;
struct kset devices;
+ struct klist klist_devices;
+ struct klist klist_drivers;
struct bus_attribute * bus_attrs;
struct device_attribute * dev_attrs;
@@ -98,17 +100,18 @@ extern int bus_create_file(struct bus_type *, struct bus_attribute *);
extern void bus_remove_file(struct bus_type *, struct bus_attribute *);
struct device_driver {
- char * name;
+ const char * name;
struct bus_type * bus;
struct completion unloaded;
struct kobject kobj;
- struct list_head devices;
+ struct klist klist_devices;
+ struct klist_node knode_bus;
- struct module * owner;
+ struct module * owner;
int (*probe) (struct device * dev);
- int (*remove) (struct device * dev);
+ int (*remove) (struct device * dev);
void (*shutdown) (struct device * dev);
int (*suspend) (struct device * dev, pm_message_t state, u32 level);
int (*resume) (struct device * dev, u32 level);
@@ -137,12 +140,16 @@ struct driver_attribute driver_attr_##_name = __ATTR(_name,_mode,_show,_store)
extern int driver_create_file(struct device_driver *, struct driver_attribute *);
extern void driver_remove_file(struct device_driver *, struct driver_attribute *);
+extern int driver_for_each_device(struct device_driver * drv, struct device * start,
+ void * data, int (*fn)(struct device *, void *));
+
/*
* device classes
*/
struct class {
- char * name;
+ const char * name;
+ struct module * owner;
struct subsystem subsys;
struct list_head children;
@@ -185,6 +192,7 @@ struct class_device {
struct kobject kobj;
struct class * class; /* required */
dev_t devt; /* dev_t, creates the sysfs "dev" */
+ struct class_device_attribute *devt_attr;
struct device * dev; /* not necessary, but nice to have */
void * class_data; /* class-specific data */
@@ -245,26 +253,28 @@ struct class_interface {
extern int class_interface_register(struct class_interface *);
extern void class_interface_unregister(struct class_interface *);
-/* interface for class simple stuff */
-extern struct class_simple *class_simple_create(struct module *owner, char *name);
-extern void class_simple_destroy(struct class_simple *cs);
-extern struct class_device *class_simple_device_add(struct class_simple *cs, dev_t dev, struct device *device, const char *fmt, ...)
- __attribute__((format(printf,4,5)));
-extern int class_simple_set_hotplug(struct class_simple *,
- int (*hotplug)(struct class_device *dev, char **envp, int num_envp, char *buffer, int buffer_size));
-extern void class_simple_device_remove(dev_t dev);
+extern struct class *class_create(struct module *owner, char *name);
+extern void class_destroy(struct class *cls);
+extern struct class_device *class_device_create(struct class *cls, dev_t devt,
+ struct device *device, char *fmt, ...)
+ __attribute__((format(printf,4,5)));
+extern void class_device_destroy(struct class *cls, dev_t devt);
struct device {
- struct list_head node; /* node in sibling list */
- struct list_head bus_list; /* node in bus's list */
- struct list_head driver_list;
- struct list_head children;
+ struct klist klist_children;
+ struct klist_node knode_parent; /* node in sibling list */
+ struct klist_node knode_driver;
+ struct klist_node knode_bus;
struct device * parent;
struct kobject kobj;
char bus_id[BUS_ID_SIZE]; /* position on parent bus */
+ struct semaphore sem; /* semaphore to synchronize calls to
+ * its driver.
+ */
+
struct bus_type * bus; /* type of bus device is on */
struct device_driver *driver; /* which driver has allocated this
device */
@@ -288,12 +298,6 @@ struct device {
void (*release)(struct device * dev);
};
-static inline struct device *
-list_to_dev(struct list_head *node)
-{
- return list_entry(node, struct device, node);
-}
-
static inline void *
dev_get_drvdata (struct device *dev)
{
@@ -321,7 +325,6 @@ extern int device_for_each_child(struct device *, void *,
* Manual binding of a device to driver. See drivers/base/bus.c
* for information on use.
*/
-extern int driver_probe_device(struct device_driver * drv, struct device * dev);
extern void device_bind_driver(struct device * dev);
extern void device_release_driver(struct device * dev);
extern int device_attach(struct device * dev);
@@ -332,8 +335,10 @@ extern void driver_attach(struct device_driver * drv);
struct device_attribute {
struct attribute attr;
- ssize_t (*show)(struct device * dev, char * buf);
- ssize_t (*store)(struct device * dev, const char * buf, size_t count);
+ ssize_t (*show)(struct device *dev, struct device_attribute *attr,
+ char *buf);
+ ssize_t (*store)(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count);
};
#define DEVICE_ATTR(_name,_mode,_show,_store) \
@@ -360,13 +365,12 @@ extern int (*platform_notify_remove)(struct device * dev);
*/
extern struct device * get_device(struct device * dev);
extern void put_device(struct device * dev);
-extern struct device *device_find(const char *name, struct bus_type *bus);
/* drivers/base/platform.c */
struct platform_device {
- char * name;
+ const char * name;
u32 id;
struct device dev;
u32 num_resources;
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 0180102dace..9b8b696d4f1 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1657,6 +1657,52 @@ static inline void simple_transaction_set(struct file *file, size_t n)
ar->size = n;
}
+/*
+ * simple attribute files
+ *
+ * These attributes behave similar to those in sysfs:
+ *
+ * Writing to an attribute immediately sets a value, an open file can be
+ * written to multiple times.
+ *
+ * Reading from an attribute creates a buffer from the value that might get
+ * read with multiple read calls. When the attribute has been read
+ * completely, no further read calls are possible until the file is opened
+ * again.
+ *
+ * All attributes contain a text representation of a numeric value
+ * that are accessed with the get() and set() functions.
+ */
+#define DEFINE_SIMPLE_ATTRIBUTE(__fops, __get, __set, __fmt) \
+static int __fops ## _open(struct inode *inode, struct file *file) \
+{ \
+ __simple_attr_check_format(__fmt, 0ull); \
+ return simple_attr_open(inode, file, __get, __set, __fmt); \
+} \
+static struct file_operations __fops = { \
+ .owner = THIS_MODULE, \
+ .open = __fops ## _open, \
+ .release = simple_attr_close, \
+ .read = simple_attr_read, \
+ .write = simple_attr_write, \
+};
+
+static inline void __attribute__((format(printf, 1, 2)))
+__simple_attr_check_format(const char *fmt, ...)
+{
+ /* don't do anything, just let the compiler check the arguments; */
+}
+
+int simple_attr_open(struct inode *inode, struct file *file,
+ u64 (*get)(void *), void (*set)(void *, u64),
+ const char *fmt);
+int simple_attr_close(struct inode *inode, struct file *file);
+ssize_t simple_attr_read(struct file *file, char __user *buf,
+ size_t len, loff_t *ppos);
+ssize_t simple_attr_write(struct file *file, const char __user *buf,
+ size_t len, loff_t *ppos);
+
+
#ifdef CONFIG_SECURITY
static inline char *alloc_secdata(void)
{
diff --git a/include/linux/i2c-sysfs.h b/include/linux/i2c-sysfs.h
new file mode 100644
index 00000000000..d7bf6ce1167
--- /dev/null
+++ b/include/linux/i2c-sysfs.h
@@ -0,0 +1,36 @@
+/*
+ * i2c-sysfs.h - i2c chip driver sysfs defines
+ *
+ * Copyright (C) 2005 Yani Ioannou <yani.ioannou@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+#ifndef _LINUX_I2C_SYSFS_H
+#define _LINUX_I2C_SYSFS_H
+
+struct sensor_device_attribute{
+ struct device_attribute dev_attr;
+ int index;
+};
+#define to_sensor_dev_attr(_dev_attr) \
+ container_of(_dev_attr, struct sensor_device_attribute, dev_attr)
+
+#define SENSOR_DEVICE_ATTR(_name,_mode,_show,_store,_index) \
+struct sensor_device_attribute sensor_dev_attr_##_name = { \
+ .dev_attr = __ATTR(_name,_mode,_show,_store), \
+ .index = _index, \
+}
+
+#endif /* _LINUX_I2C_SYSFS_H */
diff --git a/include/linux/input.h b/include/linux/input.h
index 72731d7d189..9d9598ed760 100644
--- a/include/linux/input.h
+++ b/include/linux/input.h
@@ -1015,7 +1015,7 @@ static inline void input_set_abs_params(struct input_dev *dev, int axis, int min
dev->absbit[LONG(axis)] |= BIT(axis);
}
-extern struct class_simple *input_class;
+extern struct class *input_class;
#endif
#endif
diff --git a/include/linux/klist.h b/include/linux/klist.h
new file mode 100644
index 00000000000..eebf5e5696e
--- /dev/null
+++ b/include/linux/klist.h
@@ -0,0 +1,55 @@
+/*
+ * klist.h - Some generic list helpers, extending struct list_head a bit.
+ *
+ * Implementations are found in lib/klist.c
+ *
+ *
+ * Copyright (C) 2005 Patrick Mochel
+ *
+ * This file is rleased under the GPL v2.
+ */
+
+#include <linux/spinlock.h>
+#include <linux/completion.h>
+#include <linux/kref.h>
+#include <linux/list.h>
+
+
+struct klist {
+ spinlock_t k_lock;
+ struct list_head k_list;
+};
+
+
+extern void klist_init(struct klist * k);
+
+
+struct klist_node {
+ struct klist * n_klist;
+ struct list_head n_node;
+ struct kref n_ref;
+ struct completion n_removed;
+};
+
+extern void klist_add_tail(struct klist * k, struct klist_node * n);
+extern void klist_add_head(struct klist * k, struct klist_node * n);
+
+extern void klist_del(struct klist_node * n);
+extern void klist_remove(struct klist_node * n);
+
+extern int klist_node_attached(struct klist_node * n);
+
+
+struct klist_iter {
+ struct klist * i_klist;
+ struct list_head * i_head;
+ struct klist_node * i_cur;
+};
+
+
+extern void klist_iter_init(struct klist * k, struct klist_iter * i);
+extern void klist_iter_init_node(struct klist * k, struct klist_iter * i,
+ struct klist_node * n);
+extern void klist_iter_exit(struct klist_iter * i);
+extern struct klist_node * klist_next(struct klist_iter * i);
+
diff --git a/include/linux/kobject.h b/include/linux/kobject.h
index 765d660d3be..3b22304f12f 100644
--- a/include/linux/kobject.h
+++ b/include/linux/kobject.h
@@ -33,7 +33,7 @@
extern u64 hotplug_seqnum;
struct kobject {
- char * k_name;
+ const char * k_name;
char name[KOBJ_NAME_LEN];
struct kref kref;
struct list_head entry;
@@ -46,7 +46,7 @@ struct kobject {
extern int kobject_set_name(struct kobject *, const char *, ...)
__attribute__((format(printf,2,3)));
-static inline char * kobject_name(struct kobject * kobj)
+static inline const char * kobject_name(const struct kobject * kobj)
{
return kobj->k_name;
}
@@ -57,7 +57,7 @@ extern void kobject_cleanup(struct kobject *);
extern int kobject_add(struct kobject *);
extern void kobject_del(struct kobject *);
-extern int kobject_rename(struct kobject *, char *new_name);
+extern int kobject_rename(struct kobject *, const char *new_name);
extern int kobject_register(struct kobject *);
extern void kobject_unregister(struct kobject *);
@@ -94,7 +94,7 @@ struct kobj_type {
*/
struct kset_hotplug_ops {
int (*filter)(struct kset *kset, struct kobject *kobj);
- char *(*name)(struct kset *kset, struct kobject *kobj);
+ const char *(*name)(struct kset *kset, struct kobject *kobj);
int (*hotplug)(struct kset *kset, struct kobject *kobj, char **envp,
int num_envp, char *buffer, int buffer_size);
};
diff --git a/include/linux/node.h b/include/linux/node.h
index 6e0a697e594..254dc3de650 100644
--- a/include/linux/node.h
+++ b/include/linux/node.h
@@ -27,6 +27,7 @@ struct node {
};
extern int register_node(struct node *, int, struct node *);
+extern void unregister_node(struct node *node);
#define to_node(sys_device) container_of(sys_device, struct node, sysdev)
diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h
index 38b58b30814..392da5a6dac 100644
--- a/include/linux/sysfs.h
+++ b/include/linux/sysfs.h
@@ -16,13 +16,13 @@ struct kobject;
struct module;
struct attribute {
- char * name;
+ const char * name;
struct module * owner;
mode_t mode;
};
struct attribute_group {
- char * name;
+ const char * name;
struct attribute ** attrs;
};
@@ -73,6 +73,7 @@ struct sysfs_dirent {
int s_type;
umode_t s_mode;
struct dentry * s_dentry;
+ struct iattr * s_iattr;
};
#define SYSFS_ROOT 0x0001
@@ -105,11 +106,11 @@ sysfs_chmod_file(struct kobject *kobj, struct attribute *attr, mode_t mode);
extern void
sysfs_remove_file(struct kobject *, const struct attribute *);
-extern int
-sysfs_create_link(struct kobject * kobj, struct kobject * target, char * name);
+extern int
+sysfs_create_link(struct kobject * kobj, struct kobject * target, const char * name);
extern void
-sysfs_remove_link(struct kobject *, char * name);
+sysfs_remove_link(struct kobject *, const char * name);
int sysfs_create_bin_file(struct kobject * kobj, struct bin_attribute * attr);
int sysfs_remove_bin_file(struct kobject * kobj, struct bin_attribute * attr);
@@ -153,12 +154,12 @@ static inline void sysfs_remove_file(struct kobject * k, const struct attribute
;
}
-static inline int sysfs_create_link(struct kobject * k, struct kobject * t, char * n)
+static inline int sysfs_create_link(struct kobject * k, struct kobject * t, const char * n)
{
return 0;
}
-static inline void sysfs_remove_link(struct kobject * k, char * name)
+static inline void sysfs_remove_link(struct kobject * k, const char * name)
{
;
}
diff --git a/include/linux/usb.h b/include/linux/usb.h
index 2d1ac505853..3d508bf0840 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -287,15 +287,14 @@ struct usb_bus {
struct dentry *usbfs_dentry; /* usbfs dentry entry for the bus */
- struct class_device class_dev; /* class device for this bus */
+ struct class_device *class_dev; /* class device for this bus */
+ struct kref kref; /* handles reference counting this bus */
void (*release)(struct usb_bus *bus); /* function to destroy this bus's memory */
#if defined(CONFIG_USB_MON) || defined(CONFIG_USB_MON_MODULE)
struct mon_bus *mon_bus; /* non-null when associated */
int monitored; /* non-zero when monitored */
#endif
};
-#define to_usb_bus(d) container_of(d, struct usb_bus, class_dev)
-
/* -------------------------------------------------------------------------- */