1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef _LINUX_MISCDEVICE_H 3 #define _LINUX_MISCDEVICE_H 4 #include <linux/major.h> 5 #include <linux/list.h> 6 #include <linux/types.h> 7 #include <linux/device.h> 8 9 /* 10 * These allocations are managed by device@lanana.org. If you use an 11 * entry that is not in assigned your entry may well be moved and 12 * reassigned, or set dynamic if a fixed value is not justified. 13 */ 14 15 #define PSMOUSE_MINOR 1 16 #define MS_BUSMOUSE_MINOR 2 /* unused */ 17 #define ATIXL_BUSMOUSE_MINOR 3 /* unused */ 18 /*#define AMIGAMOUSE_MINOR 4 FIXME OBSOLETE */ 19 #define ATARIMOUSE_MINOR 5 /* unused */ 20 #define SUN_MOUSE_MINOR 6 /* unused */ 21 #define APOLLO_MOUSE_MINOR 7 /* unused */ 22 #define PC110PAD_MINOR 9 /* unused */ 23 /*#define ADB_MOUSE_MINOR 10 FIXME OBSOLETE */ 24 #define WATCHDOG_MINOR 130 /* Watchdog timer */ 25 #define TEMP_MINOR 131 /* Temperature Sensor */ 26 #define APM_MINOR_DEV 134 27 #define RTC_MINOR 135 28 #define EFI_RTC_MINOR 136 /* EFI Time services */ 29 #define VHCI_MINOR 137 30 #define SUN_OPENPROM_MINOR 139 31 #define DMAPI_MINOR 140 /* unused */ 32 #define NVRAM_MINOR 144 33 #define SGI_MMTIMER 153 34 #define STORE_QUEUE_MINOR 155 /* unused */ 35 #define I2O_MINOR 166 36 #define HWRNG_MINOR 183 37 #define MICROCODE_MINOR 184 38 #define IRNET_MINOR 187 39 #define D7S_MINOR 193 40 #define VFIO_MINOR 196 41 #define TUN_MINOR 200 42 #define CUSE_MINOR 203 43 #define MWAVE_MINOR 219 /* ACP/Mwave Modem */ 44 #define MPT_MINOR 220 45 #define MPT2SAS_MINOR 221 46 #define MPT3SAS_MINOR 222 47 #define UINPUT_MINOR 223 48 #define MISC_MCELOG_MINOR 227 49 #define HPET_MINOR 228 50 #define FUSE_MINOR 229 51 #define KVM_MINOR 232 52 #define BTRFS_MINOR 234 53 #define AUTOFS_MINOR 235 54 #define MAPPER_CTRL_MINOR 236 55 #define LOOP_CTRL_MINOR 237 56 #define VHOST_NET_MINOR 238 57 #define UHID_MINOR 239 58 #define USERIO_MINOR 240 59 #define VHOST_VSOCK_MINOR 241 60 #define RFKILL_MINOR 242 61 #define MISC_DYNAMIC_MINOR 255 62 63 struct device; 64 struct attribute_group; 65 66 struct miscdevice { 67 int minor; 68 const char *name; 69 const struct file_operations *fops; 70 struct list_head list; 71 struct device *parent; 72 struct device *this_device; 73 const struct attribute_group **groups; 74 const char *nodename; 75 umode_t mode; 76 }; 77 78 extern int misc_register(struct miscdevice *misc); 79 extern void misc_deregister(struct miscdevice *misc); 80 81 /* 82 * Helper macro for drivers that don't do anything special in the initcall. 83 * This helps in eleminating of boilerplate code. 84 */ 85 #define builtin_misc_device(__misc_device) \ 86 builtin_driver(__misc_device, misc_register) 87 88 /* 89 * Helper macro for drivers that don't do anything special in module init / exit 90 * call. This helps in eleminating of boilerplate code. 91 */ 92 #define module_misc_device(__misc_device) \ 93 module_driver(__misc_device, misc_register, misc_deregister) 94 95 #define MODULE_ALIAS_MISCDEV(minor) \ 96 MODULE_ALIAS("char-major-" __stringify(MISC_MAJOR) \ 97 "-" __stringify(minor)) 98 #endif 99