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d4634e8dea
Add a note to userspace on the effect of RFKILL_OP_CHANGE_ALL also updating the default state for hotplugged devices. Signed-off-by: João Paulo Rechi Vita <jprvita@endlessm.com> [reword a bit] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
112 lines
3.6 KiB
C
112 lines
3.6 KiB
C
/*
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* Copyright (C) 2006 - 2007 Ivo van Doorn
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* Copyright (C) 2007 Dmitry Torokhov
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* Copyright 2009 Johannes Berg <johannes@sipsolutions.net>
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef _UAPI__RFKILL_H
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#define _UAPI__RFKILL_H
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#include <linux/types.h>
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/* define userspace visible states */
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#define RFKILL_STATE_SOFT_BLOCKED 0
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#define RFKILL_STATE_UNBLOCKED 1
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#define RFKILL_STATE_HARD_BLOCKED 2
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/**
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* enum rfkill_type - type of rfkill switch.
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*
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* @RFKILL_TYPE_ALL: toggles all switches (requests only - not a switch type)
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* @RFKILL_TYPE_WLAN: switch is on a 802.11 wireless network device.
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* @RFKILL_TYPE_BLUETOOTH: switch is on a bluetooth device.
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* @RFKILL_TYPE_UWB: switch is on a ultra wideband device.
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* @RFKILL_TYPE_WIMAX: switch is on a WiMAX device.
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* @RFKILL_TYPE_WWAN: switch is on a wireless WAN device.
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* @RFKILL_TYPE_GPS: switch is on a GPS device.
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* @RFKILL_TYPE_FM: switch is on a FM radio device.
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* @RFKILL_TYPE_NFC: switch is on an NFC device.
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* @NUM_RFKILL_TYPES: number of defined rfkill types
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*/
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enum rfkill_type {
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RFKILL_TYPE_ALL = 0,
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RFKILL_TYPE_WLAN,
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RFKILL_TYPE_BLUETOOTH,
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RFKILL_TYPE_UWB,
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RFKILL_TYPE_WIMAX,
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RFKILL_TYPE_WWAN,
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RFKILL_TYPE_GPS,
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RFKILL_TYPE_FM,
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RFKILL_TYPE_NFC,
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NUM_RFKILL_TYPES,
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};
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/**
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* enum rfkill_operation - operation types
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* @RFKILL_OP_ADD: a device was added
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* @RFKILL_OP_DEL: a device was removed
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* @RFKILL_OP_CHANGE: a device's state changed -- userspace changes one device
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* @RFKILL_OP_CHANGE_ALL: userspace changes all devices (of a type, or all)
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* into a state, also updating the default state used for devices that
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* are hot-plugged later.
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*/
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enum rfkill_operation {
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RFKILL_OP_ADD = 0,
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RFKILL_OP_DEL,
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RFKILL_OP_CHANGE,
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RFKILL_OP_CHANGE_ALL,
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};
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/**
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* struct rfkill_event - events for userspace on /dev/rfkill
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* @idx: index of dev rfkill
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* @type: type of the rfkill struct
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* @op: operation code
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* @hard: hard state (0/1)
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* @soft: soft state (0/1)
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*
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* Structure used for userspace communication on /dev/rfkill,
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* used for events from the kernel and control to the kernel.
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*/
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struct rfkill_event {
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__u32 idx;
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__u8 type;
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__u8 op;
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__u8 soft, hard;
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} __attribute__((packed));
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/*
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* We are planning to be backward and forward compatible with changes
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* to the event struct, by adding new, optional, members at the end.
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* When reading an event (whether the kernel from userspace or vice
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* versa) we need to accept anything that's at least as large as the
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* version 1 event size, but might be able to accept other sizes in
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* the future.
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*
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* One exception is the kernel -- we already have two event sizes in
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* that we've made the 'hard' member optional since our only option
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* is to ignore it anyway.
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*/
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#define RFKILL_EVENT_SIZE_V1 8
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/* ioctl for turning off rfkill-input (if present) */
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#define RFKILL_IOC_MAGIC 'R'
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#define RFKILL_IOC_NOINPUT 1
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#define RFKILL_IOCTL_NOINPUT _IO(RFKILL_IOC_MAGIC, RFKILL_IOC_NOINPUT)
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/* and that's all userspace gets */
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#endif /* _UAPI__RFKILL_H */
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