xref: /openbmc/linux/include/linux/miscdevice.h (revision 9cfc5c90)
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 device@lanana.org. 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	/* unused */
15 #define ATIXL_BUSMOUSE_MINOR	3	/* unused */
16 /*#define AMIGAMOUSE_MINOR	4	FIXME OBSOLETE */
17 #define ATARIMOUSE_MINOR	5	/* unused */
18 #define SUN_MOUSE_MINOR		6	/* unused */
19 #define APOLLO_MOUSE_MINOR	7	/* unused */
20 #define PC110PAD_MINOR		9	/* unused */
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 VHCI_MINOR		137
27 #define SUN_OPENPROM_MINOR	139
28 #define DMAPI_MINOR		140	/* unused */
29 #define NVRAM_MINOR		144
30 #define SGI_MMTIMER		153
31 #define STORE_QUEUE_MINOR	155	/* unused */
32 #define I2O_MINOR		166
33 #define MICROCODE_MINOR		184
34 #define VFIO_MINOR		196
35 #define TUN_MINOR		200
36 #define CUSE_MINOR		203
37 #define MWAVE_MINOR		219	/* ACP/Mwave Modem */
38 #define MPT_MINOR		220
39 #define MPT2SAS_MINOR		221
40 #define MPT3SAS_MINOR		222
41 #define UINPUT_MINOR		223
42 #define MISC_MCELOG_MINOR	227
43 #define HPET_MINOR		228
44 #define FUSE_MINOR		229
45 #define KVM_MINOR		232
46 #define BTRFS_MINOR		234
47 #define AUTOFS_MINOR		235
48 #define MAPPER_CTRL_MINOR	236
49 #define LOOP_CTRL_MINOR		237
50 #define VHOST_NET_MINOR		238
51 #define UHID_MINOR		239
52 #define USERIO_MINOR		240
53 #define MISC_DYNAMIC_MINOR	255
54 
55 struct device;
56 struct attribute_group;
57 
58 struct miscdevice  {
59 	int minor;
60 	const char *name;
61 	const struct file_operations *fops;
62 	struct list_head list;
63 	struct device *parent;
64 	struct device *this_device;
65 	const struct attribute_group **groups;
66 	const char *nodename;
67 	umode_t mode;
68 };
69 
70 extern int misc_register(struct miscdevice *misc);
71 extern void misc_deregister(struct miscdevice *misc);
72 
73 #define MODULE_ALIAS_MISCDEV(minor)				\
74 	MODULE_ALIAS("char-major-" __stringify(MISC_MAJOR)	\
75 	"-" __stringify(minor))
76 #endif
77