[PATCH] Rename PG_checked to PG_owner_priv_1

[linux-2.6-omap-h63xx.git] / include / linux / device.h

diff --git a/include/linux/device.h b/include/linux/device.h
index 583a341e016cea229ad8b04d4213d59974e3cbd3..39a3199a826db2726e60475195f64f03465c5acb 100644 (file)
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -2,6 +2,7 @@
  * device.h - generic, centralized driver model
  *
  * Copyright (c) 2001-2003 Patrick Mochel <mochel@osdl.org>
+ * Copyright (c) 2004-2007 Greg Kroah-Hartman <gregkh@suse.de>
  *
  * This file is released under the GPLv2
  *
@@ -101,7 +102,7 @@ extern int bus_unregister_notifier(struct bus_type *bus,
 #define BUS_NOTIFY_UNBIND_DRIVER       0x00000004 /* driver about to be
                                                      unbound */
 
-/* driverfs interface for exporting bus attributes */
+/* sysfs interface for exporting bus attributes */
 
 struct bus_attribute {
        struct attribute        attr;
@@ -126,6 +127,7 @@ struct device_driver {
        struct klist_node       knode_bus;
 
        struct module           * owner;
+       const char              * mod_name;     /* used for built-in modules */
 
        int     (*probe)        (struct device * dev);
        int     (*remove)       (struct device * dev);
@@ -145,7 +147,7 @@ extern void put_driver(struct device_driver * drv);
 extern struct device_driver *driver_find(const char *name, struct bus_type *bus);
 extern int driver_probe_done(void);
 
-/* driverfs interface for exporting driver attributes */
+/* sysfs interface for exporting driver attributes */
 
 struct driver_attribute {
        struct attribute        attr;
@@ -292,8 +294,6 @@ extern void class_device_initialize(struct class_device *);
 extern int __must_check class_device_add(struct class_device *);
 extern void class_device_del(struct class_device *);
 
-extern int class_device_rename(struct class_device *, char *);
-
 extern struct class_device * class_device_get(struct class_device *);
 extern void class_device_put(struct class_device *);
 
@@ -327,6 +327,13 @@ extern struct class_device *class_device_create(struct class *cls,
                                        __attribute__((format(printf,5,6)));
 extern void class_device_destroy(struct class *cls, dev_t devt);
 
+struct device_type {
+       struct device_attribute *attrs;
+       int (*uevent)(struct device *dev, char **envp, int num_envp,
+                     char *buffer, int buffer_size);
+       void (*release)(struct device *dev);
+};
+
 /* interface for exporting device attributes */
 struct device_attribute {
        struct attribute        attr;
@@ -346,6 +353,41 @@ extern int __must_check device_create_bin_file(struct device *dev,
                                               struct bin_attribute *attr);
 extern void device_remove_bin_file(struct device *dev,
                                   struct bin_attribute *attr);
+
+/* device resource management */
+typedef void (*dr_release_t)(struct device *dev, void *res);
+typedef int (*dr_match_t)(struct device *dev, void *res, void *match_data);
+
+#ifdef CONFIG_DEBUG_DEVRES
+extern void * __devres_alloc(dr_release_t release, size_t size, gfp_t gfp,
+                            const char *name);
+#define devres_alloc(release, size, gfp) \
+       __devres_alloc(release, size, gfp, #release)
+#else
+extern void * devres_alloc(dr_release_t release, size_t size, gfp_t gfp);
+#endif
+extern void devres_free(void *res);
+extern void devres_add(struct device *dev, void *res);
+extern void * devres_find(struct device *dev, dr_release_t release,
+                         dr_match_t match, void *match_data);
+extern void * devres_get(struct device *dev, void *new_res,
+                        dr_match_t match, void *match_data);
+extern void * devres_remove(struct device *dev, dr_release_t release,
+                           dr_match_t match, void *match_data);
+extern int devres_destroy(struct device *dev, dr_release_t release,
+                         dr_match_t match, void *match_data);
+
+/* devres group */
+extern void * __must_check devres_open_group(struct device *dev, void *id,
+                                            gfp_t gfp);
+extern void devres_close_group(struct device *dev, void *id);
+extern void devres_remove_group(struct device *dev, void *id);
+extern int devres_release_group(struct device *dev, void *id);
+
+/* managed kzalloc/kfree for device drivers, no kmalloc, always use kzalloc */
+extern void *devm_kzalloc(struct device *dev, size_t size, gfp_t gfp);
+extern void devm_kfree(struct device *dev, void *p);
+
 struct device {
        struct klist            klist_children;
        struct klist_node       knode_parent;           /* node in sibling list */
@@ -355,6 +397,7 @@ struct device {
 
        struct kobject kobj;
        char    bus_id[BUS_ID_SIZE];    /* position on parent bus */
+       struct device_type      *type;
        unsigned                is_registered:1;
        struct device_attribute uevent_attr;
        struct device_attribute *devt_attr;
@@ -371,6 +414,9 @@ struct device {
                                           core doesn't touch it */
        struct dev_pm_info      power;
 
+#ifdef CONFIG_NUMA
+       int             numa_node;      /* NUMA node this device is close to */
+#endif
        u64             *dma_mask;      /* dma mask (if dma'able device) */
        u64             coherent_dma_mask;/* Like dma_mask, but for
                                             alloc_coherent mappings as
@@ -385,15 +431,38 @@ struct device {
        /* arch specific additions */
        struct dev_archdata     archdata;
 
+       spinlock_t              devres_lock;
+       struct list_head        devres_head;
+
        /* class_device migration path */
        struct list_head        node;
-       struct class            *class;         /* optional*/
+       struct class            *class;
        dev_t                   devt;           /* dev_t, creates the sysfs "dev" */
        struct attribute_group  **groups;       /* optional groups */
+       int                     uevent_suppress;
 
        void    (*release)(struct device * dev);
 };
 
+#ifdef CONFIG_NUMA
+static inline int dev_to_node(struct device *dev)
+{
+       return dev->numa_node;
+}
+static inline void set_dev_node(struct device *dev, int node)
+{
+       dev->numa_node = node;
+}
+#else
+static inline int dev_to_node(struct device *dev)
+{
+       return -1;
+}
+static inline void set_dev_node(struct device *dev, int node)
+{
+}
+#endif
+
 static inline void *
 dev_get_drvdata (struct device *dev)
 {
@@ -411,6 +480,8 @@ static inline int device_is_registered(struct device *dev)
        return dev->is_registered;
 }
 
+void driver_init(void);
+
 /*
  * High level routines for use by the bus drivers
  */