miscdevice.h

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#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 [email protected]. 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
#define ATIXL_BUSMOUSE_MINOR    3
/*#define AMIGAMOUSE_MINOR  4   FIXME OBSOLETE */
#define ATARIMOUSE_MINOR    5
#define SUN_MOUSE_MINOR     6
#define APOLLO_MOUSE_MINOR  7
#define PC110PAD_MINOR      9
/*#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 SUN_OPENPROM_MINOR  139
#define DMAPI_MINOR     140 /* DMAPI */
#define NVRAM_MINOR     144
#define SGI_MMTIMER     153
#define STORE_QUEUE_MINOR   155
#define I2O_MINOR       166
#define MICROCODE_MINOR     184
#define TUN_MINOR       200
#define MWAVE_MINOR     219 /* ACP/Mwave Modem */
#define MPT_MINOR       220
#define MPT2SAS_MINOR       221
#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 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