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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. | |
44b3decb | 40 | * @RFKILL_TYPE_NFC: switch is on an NFC device. |
607ca46e DH |
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, | |
44b3decb | 52 | RFKILL_TYPE_NFC, |
607ca46e DH |
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 */ |