| 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 MISC_DYNAMIC_MINOR 255 |
| 61 | |
| 62 | struct device; |
| 63 | struct attribute_group; |
| 64 | |
| 65 | struct miscdevice { |
| 66 | int minor; |
| 67 | const char *name; |
| 68 | const struct file_operations *fops; |
| 69 | struct list_head list; |
| 70 | struct device *parent; |
| 71 | struct device *this_device; |
| 72 | const struct attribute_group **groups; |
| 73 | const char *nodename; |
| 74 | umode_t mode; |
| 75 | }; |
| 76 | |
| 77 | extern int misc_register(struct miscdevice *misc); |
| 78 | extern void misc_deregister(struct miscdevice *misc); |
| 79 | |
| 80 | /* |
| 81 | * Helper macro for drivers that don't do anything special in the initcall. |
| 82 | * This helps in eleminating of boilerplate code. |
| 83 | */ |
| 84 | #define builtin_misc_device(__misc_device) \ |
| 85 | builtin_driver(__misc_device, misc_register) |
| 86 | |
| 87 | /* |
| 88 | * Helper macro for drivers that don't do anything special in module init / exit |
| 89 | * call. This helps in eleminating of boilerplate code. |
| 90 | */ |
| 91 | #define module_misc_device(__misc_device) \ |
| 92 | module_driver(__misc_device, misc_register, misc_deregister) |
| 93 | |
| 94 | #define MODULE_ALIAS_MISCDEV(minor) \ |
| 95 | MODULE_ALIAS("char-major-" __stringify(MISC_MAJOR) \ |
| 96 | "-" __stringify(minor)) |
| 97 | #endif |