xref: /linux-6.15/include/linux/miscdevice.h (revision a115bc07)
1 #ifndef _LINUX_MISCDEVICE_H
2 #define _LINUX_MISCDEVICE_H
3 #include <linux/module.h>
4 #include <linux/major.h>
5 
6 #define PSMOUSE_MINOR		1
7 #define MS_BUSMOUSE_MINOR	2
8 #define ATIXL_BUSMOUSE_MINOR	3
9 /*#define AMIGAMOUSE_MINOR	4	FIXME OBSOLETE */
10 #define ATARIMOUSE_MINOR	5
11 #define SUN_MOUSE_MINOR		6
12 #define APOLLO_MOUSE_MINOR	7
13 #define PC110PAD_MINOR		9
14 /*#define ADB_MOUSE_MINOR	10	FIXME OBSOLETE */
15 #define WATCHDOG_MINOR		130	/* Watchdog timer     */
16 #define TEMP_MINOR		131	/* Temperature Sensor */
17 #define RTC_MINOR		135
18 #define EFI_RTC_MINOR		136	/* EFI Time services */
19 #define SUN_OPENPROM_MINOR	139
20 #define DMAPI_MINOR		140	/* DMAPI */
21 #define NVRAM_MINOR		144
22 #define SGI_MMTIMER		153
23 #define STORE_QUEUE_MINOR	155
24 #define I2O_MINOR		166
25 #define MICROCODE_MINOR		184
26 #define TUN_MINOR		200
27 #define MWAVE_MINOR		219	/* ACP/Mwave Modem */
28 #define MPT_MINOR		220
29 #define MPT2SAS_MINOR		221
30 #define HPET_MINOR		228
31 #define FUSE_MINOR		229
32 #define KVM_MINOR		232
33 #define VHOST_NET_MINOR		233
34 #define MISC_DYNAMIC_MINOR	255
35 
36 struct device;
37 
38 struct miscdevice  {
39 	int minor;
40 	const char *name;
41 	const struct file_operations *fops;
42 	struct list_head list;
43 	struct device *parent;
44 	struct device *this_device;
45 	const char *nodename;
46 	mode_t mode;
47 };
48 
49 extern int misc_register(struct miscdevice * misc);
50 extern int misc_deregister(struct miscdevice *misc);
51 
52 #define MODULE_ALIAS_MISCDEV(minor)				\
53 	MODULE_ALIAS("char-major-" __stringify(MISC_MAJOR)	\
54 	"-" __stringify(minor))
55 #endif
56