David Howells | 607ca46 | 2012-10-13 10:46:48 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2006 - 2007 Ivo van Doorn |
| 3 | * Copyright (C) 2007 Dmitry Torokhov |
| 4 | * Copyright 2009 Johannes Berg <johannes@sipsolutions.net> |
| 5 | * |
| 6 | * Permission to use, copy, modify, and/or distribute this software for any |
| 7 | * purpose with or without fee is hereby granted, provided that the above |
| 8 | * copyright notice and this permission notice appear in all copies. |
| 9 | * |
| 10 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| 11 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| 12 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
| 13 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| 14 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| 15 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
| 16 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| 17 | */ |
| 18 | #ifndef _UAPI__RFKILL_H |
| 19 | #define _UAPI__RFKILL_H |
| 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. |
Samuel Ortiz | 44b3dec | 2013-04-11 11:51:36 +0200 | [diff] [blame^] | 40 | * @RFKILL_TYPE_NFC: switch is on an NFC device. |
David Howells | 607ca46 | 2012-10-13 10:46:48 +0100 | [diff] [blame] | 41 | * @NUM_RFKILL_TYPES: number of defined rfkill types |
| 42 | */ |
| 43 | enum rfkill_type { |
| 44 | RFKILL_TYPE_ALL = 0, |
| 45 | RFKILL_TYPE_WLAN, |
| 46 | RFKILL_TYPE_BLUETOOTH, |
| 47 | RFKILL_TYPE_UWB, |
| 48 | RFKILL_TYPE_WIMAX, |
| 49 | RFKILL_TYPE_WWAN, |
| 50 | RFKILL_TYPE_GPS, |
| 51 | RFKILL_TYPE_FM, |
Samuel Ortiz | 44b3dec | 2013-04-11 11:51:36 +0200 | [diff] [blame^] | 52 | RFKILL_TYPE_NFC, |
David Howells | 607ca46 | 2012-10-13 10:46:48 +0100 | [diff] [blame] | 53 | NUM_RFKILL_TYPES, |
| 54 | }; |
| 55 | |
| 56 | /** |
| 57 | * enum rfkill_operation - operation types |
| 58 | * @RFKILL_OP_ADD: a device was added |
| 59 | * @RFKILL_OP_DEL: a device was removed |
| 60 | * @RFKILL_OP_CHANGE: a device's state changed -- userspace changes one device |
| 61 | * @RFKILL_OP_CHANGE_ALL: userspace changes all devices (of a type, or all) |
| 62 | */ |
| 63 | enum rfkill_operation { |
| 64 | RFKILL_OP_ADD = 0, |
| 65 | RFKILL_OP_DEL, |
| 66 | RFKILL_OP_CHANGE, |
| 67 | RFKILL_OP_CHANGE_ALL, |
| 68 | }; |
| 69 | |
| 70 | /** |
| 71 | * struct rfkill_event - events for userspace on /dev/rfkill |
| 72 | * @idx: index of dev rfkill |
| 73 | * @type: type of the rfkill struct |
| 74 | * @op: operation code |
| 75 | * @hard: hard state (0/1) |
| 76 | * @soft: soft state (0/1) |
| 77 | * |
| 78 | * Structure used for userspace communication on /dev/rfkill, |
| 79 | * used for events from the kernel and control to the kernel. |
| 80 | */ |
| 81 | struct rfkill_event { |
| 82 | __u32 idx; |
| 83 | __u8 type; |
| 84 | __u8 op; |
| 85 | __u8 soft, hard; |
| 86 | } __attribute__((packed)); |
| 87 | |
| 88 | /* |
| 89 | * We are planning to be backward and forward compatible with changes |
| 90 | * to the event struct, by adding new, optional, members at the end. |
| 91 | * When reading an event (whether the kernel from userspace or vice |
| 92 | * versa) we need to accept anything that's at least as large as the |
| 93 | * version 1 event size, but might be able to accept other sizes in |
| 94 | * the future. |
| 95 | * |
| 96 | * One exception is the kernel -- we already have two event sizes in |
| 97 | * that we've made the 'hard' member optional since our only option |
| 98 | * is to ignore it anyway. |
| 99 | */ |
| 100 | #define RFKILL_EVENT_SIZE_V1 8 |
| 101 | |
| 102 | /* ioctl for turning off rfkill-input (if present) */ |
| 103 | #define RFKILL_IOC_MAGIC 'R' |
| 104 | #define RFKILL_IOC_NOINPUT 1 |
| 105 | #define RFKILL_IOCTL_NOINPUT _IO(RFKILL_IOC_MAGIC, RFKILL_IOC_NOINPUT) |
| 106 | |
| 107 | /* and that's all userspace gets */ |
| 108 | |
| 109 | #endif /* _UAPI__RFKILL_H */ |