diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/device.h | 22 | ||||
| -rw-r--r-- | include/linux/driverfs_fs.h | 20 |
2 files changed, 31 insertions, 11 deletions
diff --git a/include/linux/device.h b/include/linux/device.h index a6d10931ae7f..5dfa05c2dd3a 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -160,8 +160,6 @@ struct device { void (*release)(struct device * dev); }; -#define to_device(d) container_of(d, struct device, dir) - static inline struct device * list_to_dev(struct list_head *node) { @@ -179,8 +177,24 @@ g_list_to_dev(struct list_head *g_list) */ extern int device_register(struct device * dev); -extern int device_create_file(struct device *device, struct driver_file_entry * entry); -extern void device_remove_file(struct device * dev, const char * name); + +/* driverfs interface for exporting device attributes */ + +struct device_attribute { + struct attribute attr; + ssize_t (*show)(struct device * dev, char * buf, size_t count, loff_t off); + ssize_t (*store)(struct device * dev, const char * buf, size_t count, loff_t off); +}; + +#define DEVICE_ATTR(_name,_str,_mode,_show,_store) \ +struct device_attribute dev_attr_##_name = { \ + .attr = {.name = _str, .mode = _mode }, \ + .show = _show, \ + .store = _store, \ +}; + +extern int device_create_file(struct device *device, struct device_attribute * entry); +extern void device_remove_file(struct device * dev, struct device_attribute * attr); /* * Platform "fixup" functions - allow the platform to have their say diff --git a/include/linux/driverfs_fs.h b/include/linux/driverfs_fs.h index 758dc23f09f6..d859f8c2e041 100644 --- a/include/linux/driverfs_fs.h +++ b/include/linux/driverfs_fs.h @@ -26,20 +26,26 @@ #ifndef _DRIVER_FS_H_ #define _DRIVER_FS_H_ +struct driver_dir_entry; +struct attribute; + +struct driverfs_ops { + int (*open)(struct driver_dir_entry *); + int (*close)(struct driver_dir_entry *); + ssize_t (*show)(struct driver_dir_entry *, struct attribute *,char *, size_t, loff_t); + ssize_t (*store)(struct driver_dir_entry *,struct attribute *,const char *, size_t, loff_t); +}; + struct driver_dir_entry { char * name; struct dentry * dentry; mode_t mode; + struct driverfs_ops * ops; }; -struct device; - -struct driver_file_entry { +struct attribute { char * name; mode_t mode; - - ssize_t (*show)(struct device * dev, char * buf, size_t count, loff_t off); - ssize_t (*store)(struct device * dev, const char * buf, size_t count, loff_t off); }; extern int @@ -49,7 +55,7 @@ extern void driverfs_remove_dir(struct driver_dir_entry * entry); extern int -driverfs_create_file(struct driver_file_entry * entry, +driverfs_create_file(struct attribute * attr, struct driver_dir_entry * parent); extern int |