112 lines
3.2 KiB
C
112 lines
3.2 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _LINUX_MISCDEVICE_H
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#define _LINUX_MISCDEVICE_H
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#include <linux/major.h>
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#include <linux/list.h>
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#include <linux/types.h>
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#include <linux/device.h>
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/*
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* These allocations are managed by device@lanana.org. If you need
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* an entry that is not assigned here, it can be moved and
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* reassigned or dynamically set if a fixed value is not justified.
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*/
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#define PSMOUSE_MINOR 1
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#define MS_BUSMOUSE_MINOR 2 /* unused */
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#define ATIXL_BUSMOUSE_MINOR 3 /* unused */
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/*#define AMIGAMOUSE_MINOR 4 FIXME OBSOLETE */
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#define ATARIMOUSE_MINOR 5 /* unused */
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#define SUN_MOUSE_MINOR 6 /* unused */
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#define APOLLO_MOUSE_MINOR 7 /* unused */
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#define PC110PAD_MINOR 9 /* unused */
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/*#define ADB_MOUSE_MINOR 10 FIXME OBSOLETE */
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#define WATCHDOG_MINOR 130 /* Watchdog timer */
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#define TEMP_MINOR 131 /* Temperature Sensor */
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#define APM_MINOR_DEV 134
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#define RTC_MINOR 135
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/*#define EFI_RTC_MINOR 136 was EFI Time services */
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#define VHCI_MINOR 137
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#define SUN_OPENPROM_MINOR 139
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#define DMAPI_MINOR 140 /* unused */
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#define NVRAM_MINOR 144
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#define SBUS_FLASH_MINOR 152
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#define SGI_MMTIMER 153
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#define PMU_MINOR 154
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#define STORE_QUEUE_MINOR 155 /* unused */
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#define LCD_MINOR 156
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#define AC_MINOR 157
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#define BUTTON_MINOR 158 /* Major 10, Minor 158, /dev/nwbutton */
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#define NWFLASH_MINOR 160 /* MAJOR is 10 - miscdevice */
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#define ENVCTRL_MINOR 162
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#define I2O_MINOR 166
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#define UCTRL_MINOR 174
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#define AGPGART_MINOR 175
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#define TOSH_MINOR_DEV 181
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#define HWRNG_MINOR 183
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/*#define MICROCODE_MINOR 184 unused */
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#define KEYPAD_MINOR 185
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#define IRNET_MINOR 187
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#define D7S_MINOR 193
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#define VFIO_MINOR 196
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#define PXA3XX_GCU_MINOR 197
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#define TUN_MINOR 200
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#define CUSE_MINOR 203
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#define MWAVE_MINOR 219 /* ACP/Mwave Modem */
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#define MPT_MINOR 220
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#define MPT2SAS_MINOR 221
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#define MPT3SAS_MINOR 222
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#define UINPUT_MINOR 223
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#define MISC_MCELOG_MINOR 227
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#define HPET_MINOR 228
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#define FUSE_MINOR 229
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#define SNAPSHOT_MINOR 231
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#define KVM_MINOR 232
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#define BTRFS_MINOR 234
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#define AUTOFS_MINOR 235
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#define MAPPER_CTRL_MINOR 236
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#define LOOP_CTRL_MINOR 237
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#define VHOST_NET_MINOR 238
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#define UHID_MINOR 239
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#define USERIO_MINOR 240
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#define VHOST_VSOCK_MINOR 241
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#define RFKILL_MINOR 242
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#define MISC_DYNAMIC_MINOR 255
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struct device;
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struct attribute_group;
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struct miscdevice {
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int minor;
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const char *name;
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const struct file_operations *fops;
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struct list_head list;
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struct device *parent;
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struct device *this_device;
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const struct attribute_group **groups;
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const char *nodename;
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umode_t mode;
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};
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extern int misc_register(struct miscdevice *misc);
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extern void misc_deregister(struct miscdevice *misc);
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/*
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* Helper macro for drivers that don't do anything special in the initcall.
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* This helps to eliminate boilerplate code.
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*/
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#define builtin_misc_device(__misc_device) \
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builtin_driver(__misc_device, misc_register)
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/*
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* Helper macro for drivers that don't do anything special in module init / exit
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* call. This helps to eliminate boilerplate code.
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*/
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#define module_misc_device(__misc_device) \
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module_driver(__misc_device, misc_register, misc_deregister)
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#define MODULE_ALIAS_MISCDEV(minor) \
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MODULE_ALIAS("char-major-" __stringify(MISC_MAJOR) \
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"-" __stringify(minor))
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#endif
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