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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117/* SPDX-License-Identifier: GPL-2.0 */#ifndef _LINUX_MISCDEVICE_H#define _LINUX_MISCDEVICE_H#include <linux/major.h>#include <linux/list.h>#include <linux/types.h>#include <linux/device.h>
/* * These allocations are managed by device@lanana.org. If you need * an entry that is not assigned here, it can be moved and * reassigned or dynamically set 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 APM_MINOR_DEV 134#define RTC_MINOR 135/*#define EFI_RTC_MINOR 136 was EFI Time services */#define VHCI_MINOR 137#define SUN_OPENPROM_MINOR 139#define DMAPI_MINOR 140 /* unused */#define NVRAM_MINOR 144#define SBUS_FLASH_MINOR 152#define SGI_MMTIMER 153#define PMU_MINOR 154#define STORE_QUEUE_MINOR 155 /* unused */#define LCD_MINOR 156#define AC_MINOR 157#define BUTTON_MINOR 158 /* Major 10, Minor 158, /dev/nwbutton */#define NWFLASH_MINOR 160 /* MAJOR is 10 - miscdevice */#define ENVCTRL_MINOR 162#define I2O_MINOR 166#define UCTRL_MINOR 174#define AGPGART_MINOR 175#define TOSH_MINOR_DEV 181#define HWRNG_MINOR 183/*#define MICROCODE_MINOR 184 unused */#define KEYPAD_MINOR 185#define IRNET_MINOR 187#define D7S_MINOR 193#define VFIO_MINOR 196#define PXA3XX_GCU_MINOR 197#define TUN_MINOR 200#define CUSE_MINOR 203#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 SNAPSHOT_MINOR 231#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 USERIO_MINOR 240#define VHOST_VSOCK_MINOR 241#define EISA_EEPROM_MINOR 241#define RFKILL_MINOR 242
/* * Misc char device minor code space division related to below macro: * * < 255 : Fixed minor code * == 255 : Indicator to request dynamic minor code * > 255 : Dynamic minor code requested, 1048320 minor codes totally. */#define MISC_DYNAMIC_MINOR 255
struct miscdevice { int minor; const char *name; const struct file_operations *fops; struct list_head list; struct device *parent; struct device *this_device; const struct attribute_group **groups; const char *nodename; umode_t mode;};
extern int misc_register(struct miscdevice *misc);extern void misc_deregister(struct miscdevice *misc);
/* * Helper macro for drivers that don't do anything special in the initcall. * This helps to eliminate boilerplate code. */#define builtin_misc_device(__misc_device) \ builtin_driver(__misc_device, misc_register)
/* * Helper macro for drivers that don't do anything special in module init / exit * call. This helps to eliminate boilerplate code. */#define module_misc_device(__misc_device) \ module_driver(__misc_device, misc_register, misc_deregister)
#define MODULE_ALIAS_MISCDEV(minor) \ MODULE_ALIAS("char-major-" __stringify(MISC_MAJOR) \ "-" __stringify(minor))#endif