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 RTC_MINOR 135
26#define EFI_RTC_MINOR 136 /* EFI Time services */
27#define VHCI_MINOR 137
28#define SUN_OPENPROM_MINOR 139
29#define DMAPI_MINOR 140 /* unused */
30#define NVRAM_MINOR 144
31#define SGI_MMTIMER 153
32#define STORE_QUEUE_MINOR 155 /* unused */
33#define I2O_MINOR 166
34#define MICROCODE_MINOR 184
35#define IRNET_MINOR 187
36#define VFIO_MINOR 196
37#define TUN_MINOR 200
38#define CUSE_MINOR 203
39#define MWAVE_MINOR 219 /* ACP/Mwave Modem */
40#define MPT_MINOR 220
41#define MPT2SAS_MINOR 221
42#define MPT3SAS_MINOR 222
43#define UINPUT_MINOR 223
44#define MISC_MCELOG_MINOR 227
45#define HPET_MINOR 228
46#define FUSE_MINOR 229
47#define KVM_MINOR 232
48#define BTRFS_MINOR 234
49#define AUTOFS_MINOR 235
50#define MAPPER_CTRL_MINOR 236
51#define LOOP_CTRL_MINOR 237
52#define VHOST_NET_MINOR 238
53#define UHID_MINOR 239
54#define USERIO_MINOR 240
55#define MISC_DYNAMIC_MINOR 255
56
57struct device;
58struct attribute_group;
59
60struct miscdevice {
61 int minor;
62 const char *name;
63 const struct file_operations *fops;
64 struct list_head list;
65 struct device *parent;
66 struct device *this_device;
67 const struct attribute_group **groups;
68 const char *nodename;
69 umode_t mode;
70};
71
72extern int misc_register(struct miscdevice *misc);
73extern void misc_deregister(struct miscdevice *misc);
74
75/*
76 * Helper macro for drivers that don't do anything special in the initcall.
77 * This helps in eleminating of boilerplate code.
78 */
79#define builtin_misc_device(__misc_device) \
80 builtin_driver(__misc_device, misc_register)
81
82/*
83 * Helper macro for drivers that don't do anything special in module init / exit
84 * call. This helps in eleminating of boilerplate code.
85 */
86#define module_misc_device(__misc_device) \
87 module_driver(__misc_device, misc_register, misc_deregister)
88
89#define MODULE_ALIAS_MISCDEV(minor) \
90 MODULE_ALIAS("char-major-" __stringify(MISC_MAJOR) \
91 "-" __stringify(minor))
92#endif