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Diffstat (limited to 'include/uapi/linux/rfkill.h')
| -rw-r--r-- | include/uapi/linux/rfkill.h | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/include/uapi/linux/rfkill.h b/include/uapi/linux/rfkill.h new file mode 100644 index 000000000000..2753c6cc9740 --- /dev/null +++ b/include/uapi/linux/rfkill.h @@ -0,0 +1,107 @@ +/* + * Copyright (C) 2006 - 2007 Ivo van Doorn + * Copyright (C) 2007 Dmitry Torokhov + * Copyright 2009 Johannes Berg <johannes@sipsolutions.net> + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ +#ifndef _UAPI__RFKILL_H +#define _UAPI__RFKILL_H + + +#include <linux/types.h> + +/* define userspace visible states */ +#define RFKILL_STATE_SOFT_BLOCKED 0 +#define RFKILL_STATE_UNBLOCKED 1 +#define RFKILL_STATE_HARD_BLOCKED 2 + +/** + * enum rfkill_type - type of rfkill switch. + * + * @RFKILL_TYPE_ALL: toggles all switches (requests only - not a switch type) + * @RFKILL_TYPE_WLAN: switch is on a 802.11 wireless network device. + * @RFKILL_TYPE_BLUETOOTH: switch is on a bluetooth device. + * @RFKILL_TYPE_UWB: switch is on a ultra wideband device. + * @RFKILL_TYPE_WIMAX: switch is on a WiMAX device. + * @RFKILL_TYPE_WWAN: switch is on a wireless WAN device. + * @RFKILL_TYPE_GPS: switch is on a GPS device. + * @RFKILL_TYPE_FM: switch is on a FM radio device. + * @NUM_RFKILL_TYPES: number of defined rfkill types + */ +enum rfkill_type { + RFKILL_TYPE_ALL = 0, + RFKILL_TYPE_WLAN, + RFKILL_TYPE_BLUETOOTH, + RFKILL_TYPE_UWB, + RFKILL_TYPE_WIMAX, + RFKILL_TYPE_WWAN, + RFKILL_TYPE_GPS, + RFKILL_TYPE_FM, + NUM_RFKILL_TYPES, +}; + +/** + * enum rfkill_operation - operation types + * @RFKILL_OP_ADD: a device was added + * @RFKILL_OP_DEL: a device was removed + * @RFKILL_OP_CHANGE: a device's state changed -- userspace changes one device + * @RFKILL_OP_CHANGE_ALL: userspace changes all devices (of a type, or all) + */ +enum rfkill_operation { + RFKILL_OP_ADD = 0, + RFKILL_OP_DEL, + RFKILL_OP_CHANGE, + RFKILL_OP_CHANGE_ALL, +}; + +/** + * struct rfkill_event - events for userspace on /dev/rfkill + * @idx: index of dev rfkill + * @type: type of the rfkill struct + * @op: operation code + * @hard: hard state (0/1) + * @soft: soft state (0/1) + * + * Structure used for userspace communication on /dev/rfkill, + * used for events from the kernel and control to the kernel. + */ +struct rfkill_event { + __u32 idx; + __u8 type; + __u8 op; + __u8 soft, hard; +} __attribute__((packed)); + +/* + * We are planning to be backward and forward compatible with changes + * to the event struct, by adding new, optional, members at the end. + * When reading an event (whether the kernel from userspace or vice + * versa) we need to accept anything that's at least as large as the + * version 1 event size, but might be able to accept other sizes in + * the future. + * + * One exception is the kernel -- we already have two event sizes in + * that we've made the 'hard' member optional since our only option + * is to ignore it anyway. + */ +#define RFKILL_EVENT_SIZE_V1 8 + +/* ioctl for turning off rfkill-input (if present) */ +#define RFKILL_IOC_MAGIC 'R' +#define RFKILL_IOC_NOINPUT 1 +#define RFKILL_IOCTL_NOINPUT _IO(RFKILL_IOC_MAGIC, RFKILL_IOC_NOINPUT) + +/* and that's all userspace gets */ + +#endif /* _UAPI__RFKILL_H */ |