xref: /linux-6.15/include/linux/miscdevice.h (revision 93f14468)
1 #ifndef _LINUX_MISCDEVICE_H
2 #define _LINUX_MISCDEVICE_H
3 #include <linux/major.h>
4 #include <linux/list.h>
5 #include <linux/types.h>
6 
7 /*
8  *	These allocations are managed by [email protected]. If you use an
9  *	entry that is not in assigned your entry may well be moved and
10  *	reassigned, or set dynamic if a fixed value is not justified.
11  */
12 
13 #define PSMOUSE_MINOR		1
14 #define MS_BUSMOUSE_MINOR	2
15 #define ATIXL_BUSMOUSE_MINOR	3
16 /*#define AMIGAMOUSE_MINOR	4	FIXME OBSOLETE */
17 #define ATARIMOUSE_MINOR	5
18 #define SUN_MOUSE_MINOR		6
19 #define APOLLO_MOUSE_MINOR	7
20 #define PC110PAD_MINOR		9
21 /*#define ADB_MOUSE_MINOR	10	FIXME OBSOLETE */
22 #define WATCHDOG_MINOR		130	/* Watchdog timer     */
23 #define TEMP_MINOR		131	/* Temperature Sensor */
24 #define RTC_MINOR		135
25 #define EFI_RTC_MINOR		136	/* EFI Time services */
26 #define SUN_OPENPROM_MINOR	139
27 #define DMAPI_MINOR		140	/* DMAPI */
28 #define NVRAM_MINOR		144
29 #define SGI_MMTIMER		153
30 #define STORE_QUEUE_MINOR	155
31 #define I2O_MINOR		166
32 #define MICROCODE_MINOR		184
33 #define TUN_MINOR		200
34 #define MWAVE_MINOR		219	/* ACP/Mwave Modem */
35 #define MPT_MINOR		220
36 #define MPT2SAS_MINOR		221
37 #define MPT3SAS_MINOR		222
38 #define UINPUT_MINOR		223
39 #define MISC_MCELOG_MINOR	227
40 #define HPET_MINOR		228
41 #define FUSE_MINOR		229
42 #define KVM_MINOR		232
43 #define BTRFS_MINOR		234
44 #define AUTOFS_MINOR		235
45 #define MAPPER_CTRL_MINOR	236
46 #define LOOP_CTRL_MINOR		237
47 #define VHOST_NET_MINOR		238
48 #define MISC_DYNAMIC_MINOR	255
49 
50 struct device;
51 
52 struct miscdevice  {
53 	int minor;
54 	const char *name;
55 	const struct file_operations *fops;
56 	struct list_head list;
57 	struct device *parent;
58 	struct device *this_device;
59 	const char *nodename;
60 	umode_t mode;
61 };
62 
63 extern int misc_register(struct miscdevice * misc);
64 extern int misc_deregister(struct miscdevice *misc);
65 
66 #define MODULE_ALIAS_MISCDEV(minor)				\
67 	MODULE_ALIAS("char-major-" __stringify(MISC_MAJOR)	\
68 	"-" __stringify(minor))
69 #endif
70