1 #ifndef __RFKILL_H 2 #define __RFKILL_H 3 4 /* 5 * Copyright (C) 2006 - 2007 Ivo van Doorn 6 * Copyright (C) 2007 Dmitry Torokhov 7 * Copyright 2009 Johannes Berg <johannes (at) sipsolutions.net> 8 * 9 * Permission to use, copy, modify, and/or distribute this software for any 10 * purpose with or without fee is hereby granted, provided that the above 11 * copyright notice and this permission notice appear in all copies. 12 * 13 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 14 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 15 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 16 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 17 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 18 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 19 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 20 */ 21 22 #include <linux/types.h> 23 24 /* define userspace visible states */ 25 #define RFKILL_STATE_SOFT_BLOCKED 0 26 #define RFKILL_STATE_UNBLOCKED 1 27 #define RFKILL_STATE_HARD_BLOCKED 2 28 29 /** 30 * enum rfkill_type - type of rfkill switch. 31 * 32 * @RFKILL_TYPE_ALL: toggles all switches (requests only - not a switch type) 33 * @RFKILL_TYPE_WLAN: switch is on a 802.11 wireless network device. 34 * @RFKILL_TYPE_BLUETOOTH: switch is on a bluetooth device. 35 * @RFKILL_TYPE_UWB: switch is on a ultra wideband device. 36 * @RFKILL_TYPE_WIMAX: switch is on a WiMAX device. 37 * @RFKILL_TYPE_WWAN: switch is on a wireless WAN device. 38 * @RFKILL_TYPE_GPS: switch is on a GPS device. 39 * @RFKILL_TYPE_FM: switch is on a FM radio device. 40 * @NUM_RFKILL_TYPES: number of defined rfkill types 41 */ 42 enum rfkill_type { 43 RFKILL_TYPE_ALL = 0, 44 RFKILL_TYPE_WLAN, 45 RFKILL_TYPE_BLUETOOTH, 46 RFKILL_TYPE_UWB, 47 RFKILL_TYPE_WIMAX, 48 RFKILL_TYPE_WWAN, 49 RFKILL_TYPE_GPS, 50 RFKILL_TYPE_FM, 51 NUM_RFKILL_TYPES, 52 }; 53 54 /** 55 * enum rfkill_operation - operation types 56 * @RFKILL_OP_ADD: a device was added 57 * @RFKILL_OP_DEL: a device was removed 58 * @RFKILL_OP_CHANGE: a device's state changed -- userspace changes one device 59 * @RFKILL_OP_CHANGE_ALL: userspace changes all devices (of a type, or all) 60 */ 61 enum rfkill_operation { 62 RFKILL_OP_ADD = 0, 63 RFKILL_OP_DEL, 64 RFKILL_OP_CHANGE, 65 RFKILL_OP_CHANGE_ALL, 66 }; 67 68 /** 69 * struct rfkill_event - events for userspace on /dev/rfkill 70 * @idx: index of dev rfkill 71 * @type: type of the rfkill struct 72 * @op: operation code 73 * @hard: hard state (0/1) 74 * @soft: soft state (0/1) 75 * 76 * Structure used for userspace communication on /dev/rfkill, 77 * used for events from the kernel and control to the kernel. 78 */ 79 struct rfkill_event { 80 __u32 idx; 81 __u8 type; 82 __u8 op; 83 __u8 soft, hard; 84 } __attribute__((packed)); 85 86 /* 87 * We are planning to be backward and forward compatible with changes 88 * to the event struct, by adding new, optional, members at the end. 89 * When reading an event (whether the kernel from userspace or vice 90 * versa) we need to accept anything that's at least as large as the 91 * version 1 event size, but might be able to accept other sizes in 92 * the future. 93 * 94 * One exception is the kernel -- we already have two event sizes in 95 * that we've made the 'hard' member optional since our only option 96 * is to ignore it anyway. 97 */ 98 #define RFKILL_EVENT_SIZE_V1 8 99 100 /* ioctl for turning off rfkill-input (if present) */ 101 #define RFKILL_IOC_MAGIC 'R' 102 #define RFKILL_IOC_NOINPUT 1 103 #define RFKILL_IOCTL_NOINPUT _IO(RFKILL_IOC_MAGIC, RFKILL_IOC_NOINPUT) 104 105 /* and that's all userspace gets */ 106 107 #endif /* RFKILL_H */ 108