| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | #ifndef _LINUX_CDEV_H |
| 2 | #define _LINUX_CDEV_H |
| 3 | #ifdef __KERNEL__ |
| 4 | |
| Jan Engelhardt | 5ec68b2 | 2006-12-06 20:36:14 -0800 | [diff] [blame^] | 5 | #include <linux/kobject.h> |
| 6 | #include <linux/kdev_t.h> |
| 7 | #include <linux/list.h> |
| 8 | |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 9 | struct cdev { |
| 10 | struct kobject kobj; |
| 11 | struct module *owner; |
| Arjan van de Ven | 99ac48f | 2006-03-28 01:56:41 -0800 | [diff] [blame] | 12 | const struct file_operations *ops; |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 13 | struct list_head list; |
| 14 | dev_t dev; |
| 15 | unsigned int count; |
| 16 | }; |
| 17 | |
| Arjan van de Ven | 99ac48f | 2006-03-28 01:56:41 -0800 | [diff] [blame] | 18 | void cdev_init(struct cdev *, const struct file_operations *); |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 19 | |
| 20 | struct cdev *cdev_alloc(void); |
| 21 | |
| 22 | void cdev_put(struct cdev *p); |
| 23 | |
| 24 | int cdev_add(struct cdev *, dev_t, unsigned); |
| 25 | |
| 26 | void cdev_del(struct cdev *); |
| 27 | |
| 28 | void cd_forget(struct inode *); |
| 29 | |
| David Howells | 5da6185 | 2006-09-27 01:50:16 -0700 | [diff] [blame] | 30 | extern struct backing_dev_info directly_mappable_cdev_bdi; |
| 31 | |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 32 | #endif |
| 33 | #endif |