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 [email protected]. 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 APM_MINOR_DEV 134 26 #define RTC_MINOR 135 27 #define EFI_RTC_MINOR 136 /* EFI Time services */ 28 #define VHCI_MINOR 137 29 #define SUN_OPENPROM_MINOR 139 30 #define DMAPI_MINOR 140 /* unused */ 31 #define NVRAM_MINOR 144 32 #define SGI_MMTIMER 153 33 #define STORE_QUEUE_MINOR 155 /* unused */ 34 #define I2O_MINOR 166 35 #define HWRNG_MINOR 183 36 #define MICROCODE_MINOR 184 37 #define IRNET_MINOR 187 38 #define VFIO_MINOR 196 39 #define TUN_MINOR 200 40 #define CUSE_MINOR 203 41 #define MWAVE_MINOR 219 /* ACP/Mwave Modem */ 42 #define MPT_MINOR 220 43 #define MPT2SAS_MINOR 221 44 #define MPT3SAS_MINOR 222 45 #define UINPUT_MINOR 223 46 #define MISC_MCELOG_MINOR 227 47 #define HPET_MINOR 228 48 #define FUSE_MINOR 229 49 #define KVM_MINOR 232 50 #define BTRFS_MINOR 234 51 #define AUTOFS_MINOR 235 52 #define MAPPER_CTRL_MINOR 236 53 #define LOOP_CTRL_MINOR 237 54 #define VHOST_NET_MINOR 238 55 #define UHID_MINOR 239 56 #define USERIO_MINOR 240 57 #define VHOST_VSOCK_MINOR 241 58 #define MISC_DYNAMIC_MINOR 255 59 60 struct device; 61 struct attribute_group; 62 63 struct miscdevice { 64 int minor; 65 const char *name; 66 const struct file_operations *fops; 67 struct list_head list; 68 struct device *parent; 69 struct device *this_device; 70 const struct attribute_group **groups; 71 const char *nodename; 72 umode_t mode; 73 }; 74 75 extern int misc_register(struct miscdevice *misc); 76 extern void misc_deregister(struct miscdevice *misc); 77 78 /* 79 * Helper macro for drivers that don't do anything special in the initcall. 80 * This helps in eleminating of boilerplate code. 81 */ 82 #define builtin_misc_device(__misc_device) \ 83 builtin_driver(__misc_device, misc_register) 84 85 /* 86 * Helper macro for drivers that don't do anything special in module init / exit 87 * call. This helps in eleminating of boilerplate code. 88 */ 89 #define module_misc_device(__misc_device) \ 90 module_driver(__misc_device, misc_register, misc_deregister) 91 92 #define MODULE_ALIAS_MISCDEV(minor) \ 93 MODULE_ALIAS("char-major-" __stringify(MISC_MAJOR) \ 94 "-" __stringify(minor)) 95 #endif 96