root/include/linux/miscdevice.h

INCLUDED FROM

#ifndef _LINUX_MISCDEVICE_H
#define _LINUX_MISCDEVICE_H
#include <linux/major.h>
#include <linux/list.h>
#include <linux/types.h>

/*
 *      These allocations are managed by device@lanana.org. If you use an
 *      entry that is not in assigned your entry may well be moved and
 *      reassigned, or set dynamic if a fixed value is not justified.
 */

#define PSMOUSE_MINOR           1
#define MS_BUSMOUSE_MINOR       2       /* unused */
#define ATIXL_BUSMOUSE_MINOR    3       /* unused */
/*#define AMIGAMOUSE_MINOR      4       FIXME OBSOLETE */
#define ATARIMOUSE_MINOR        5       /* unused */
#define SUN_MOUSE_MINOR         6       /* unused */
#define APOLLO_MOUSE_MINOR      7       /* unused */
#define PC110PAD_MINOR          9       /* unused */
/*#define ADB_MOUSE_MINOR       10      FIXME OBSOLETE */
#define WATCHDOG_MINOR          130     /* Watchdog timer     */
#define TEMP_MINOR              131     /* Temperature Sensor */
#define RTC_MINOR               135
#define EFI_RTC_MINOR           136     /* EFI Time services */
#define VHCI_MINOR              137
#define SUN_OPENPROM_MINOR      139
#define DMAPI_MINOR             140     /* unused */
#define NVRAM_MINOR             144
#define SGI_MMTIMER             153
#define STORE_QUEUE_MINOR       155     /* unused */
#define I2O_MINOR               166
#define MICROCODE_MINOR         184
#define VFIO_MINOR              196
#define TUN_MINOR               200
#define CUSE_MINOR              203
#define MWAVE_MINOR             219     /* ACP/Mwave Modem */
#define MPT_MINOR               220
#define MPT2SAS_MINOR           221
#define MPT3SAS_MINOR           222
#define UINPUT_MINOR            223
#define MISC_MCELOG_MINOR       227
#define HPET_MINOR              228
#define FUSE_MINOR              229
#define KVM_MINOR               232
#define BTRFS_MINOR             234
#define AUTOFS_MINOR            235
#define MAPPER_CTRL_MINOR       236
#define LOOP_CTRL_MINOR         237
#define VHOST_NET_MINOR         238
#define UHID_MINOR              239
#define MISC_DYNAMIC_MINOR      255

struct device;

struct miscdevice  {
        int minor;
        const char *name;
        const struct file_operations *fops;
        struct list_head list;
        struct device *parent;
        struct device *this_device;
        const char *nodename;
        umode_t mode;
};

extern int misc_register(struct miscdevice *misc);
extern int misc_deregister(struct miscdevice *misc);

#define MODULE_ALIAS_MISCDEV(minor)                             \
        MODULE_ALIAS("char-major-" __stringify(MISC_MAJOR)      \
        "-" __stringify(minor))
#endif