Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
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#include <linux/device.h>
7
8/*
9 * These allocations are managed by device@lanana.org. If you use an
10 * entry that is not in assigned your entry may well be moved and
11 * reassigned, or set dynamic if a fixed value is not justified.
12 */
13
14#define PSMOUSE_MINOR 1
15#define MS_BUSMOUSE_MINOR 2 /* unused */
16#define ATIXL_BUSMOUSE_MINOR 3 /* unused */
17/*#define AMIGAMOUSE_MINOR 4 FIXME OBSOLETE */
18#define ATARIMOUSE_MINOR 5 /* unused */
19#define SUN_MOUSE_MINOR 6 /* unused */
20#define APOLLO_MOUSE_MINOR 7 /* unused */
21#define PC110PAD_MINOR 9 /* unused */
22/*#define ADB_MOUSE_MINOR 10 FIXME OBSOLETE */
23#define WATCHDOG_MINOR 130 /* Watchdog timer */
24#define TEMP_MINOR 131 /* Temperature Sensor */
25#define APM_MINOR_DEV 134
26#define RTC_MINOR 135
27#define EFI_RTC_MINOR 136 /* EFI Time services */
28#define VHCI_MINOR 137
29#define SUN_OPENPROM_MINOR 139
30#define DMAPI_MINOR 140 /* unused */
31#define NVRAM_MINOR 144
32#define SGI_MMTIMER 153
33#define STORE_QUEUE_MINOR 155 /* unused */
34#define I2O_MINOR 166
35#define HWRNG_MINOR 183
36#define MICROCODE_MINOR 184
37#define IRNET_MINOR 187
38#define VFIO_MINOR 196
39#define TUN_MINOR 200
40#define CUSE_MINOR 203
41#define MWAVE_MINOR 219 /* ACP/Mwave Modem */
42#define MPT_MINOR 220
43#define MPT2SAS_MINOR 221
44#define MPT3SAS_MINOR 222
45#define UINPUT_MINOR 223
46#define MISC_MCELOG_MINOR 227
47#define HPET_MINOR 228
48#define FUSE_MINOR 229
49#define KVM_MINOR 232
50#define BTRFS_MINOR 234
51#define AUTOFS_MINOR 235
52#define MAPPER_CTRL_MINOR 236
53#define LOOP_CTRL_MINOR 237
54#define VHOST_NET_MINOR 238
55#define UHID_MINOR 239
56#define USERIO_MINOR 240
57#define VHOST_VSOCK_MINOR 241
58#define MISC_DYNAMIC_MINOR 255
59
60struct device;
61struct attribute_group;
62
63struct miscdevice {
64 int minor;
65 const char *name;
66 const struct file_operations *fops;
67 struct list_head list;
68 struct device *parent;
69 struct device *this_device;
70 const struct attribute_group **groups;
71 const char *nodename;
72 umode_t mode;
73};
74
75extern int misc_register(struct miscdevice *misc);
76extern void misc_deregister(struct miscdevice *misc);
77
78/*
79 * Helper macro for drivers that don't do anything special in the initcall.
80 * This helps in eleminating of boilerplate code.
81 */
82#define builtin_misc_device(__misc_device) \
83 builtin_driver(__misc_device, misc_register)
84
85/*
86 * Helper macro for drivers that don't do anything special in module init / exit
87 * call. This helps in eleminating of boilerplate code.
88 */
89#define module_misc_device(__misc_device) \
90 module_driver(__misc_device, misc_register, misc_deregister)
91
92#define MODULE_ALIAS_MISCDEV(minor) \
93 MODULE_ALIAS("char-major-" __stringify(MISC_MAJOR) \
94 "-" __stringify(minor))
95#endif