[gnome-settings-daemon/wip/aggregate-menu: 8/8] power: Add support for rfkill switches in g-s-d's power plugin
- From: Jasper St. Pierre <jstpierre src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [gnome-settings-daemon/wip/aggregate-menu: 8/8] power: Add support for rfkill switches in g-s-d's power plugin
- Date: Wed, 12 Jun 2013 20:21:12 +0000 (UTC)
commit 5203a8059eabe36921944520412d0a6b277daf0b
Author: Jasper St. Pierre <jstpierre mecheye net>
Date: Mon May 27 17:23:11 2013 -0400
power: Add support for rfkill switches in g-s-d's power plugin
This will be used by gnome-shell and gnome-control-center, instead
of copy/paste rfkill code.
plugins/power/Makefile.am | 6 +
plugins/power/gsd-power-manager.c | 113 ++++++++++++++
plugins/power/rfkill-glib.c | 299 +++++++++++++++++++++++++++++++++++++
plugins/power/rfkill-glib.h | 65 ++++++++
plugins/power/rfkill.h | 107 +++++++++++++
5 files changed, 590 insertions(+), 0 deletions(-)
---
diff --git a/plugins/power/Makefile.am b/plugins/power/Makefile.am
index 42ab126..b5eaf52 100644
--- a/plugins/power/Makefile.am
+++ b/plugins/power/Makefile.am
@@ -8,6 +8,9 @@ plugin_LTLIBRARIES = \
libpower_la_SOURCES = \
gpm-common.c \
gpm-common.h \
+ rfkill-glib.c \
+ rfkill-glib.h \
+ rfkill.h \
gsd-backlight-linux.c \
gsd-backlight-linux.h \
gsd-power-manager.c \
@@ -66,6 +69,9 @@ noinst_PROGRAMS = gsd-test-power
gsd_test_power_SOURCES = \
gpm-common.c \
gpm-common.h \
+ rfkill-glib.c \
+ rfkill-glib.h \
+ rfkill.h \
gsd-backlight-linux.c \
gsd-backlight-linux.h \
gsd-power-manager.c \
diff --git a/plugins/power/gsd-power-manager.c b/plugins/power/gsd-power-manager.c
index b5fba32..573a310 100644
--- a/plugins/power/gsd-power-manager.c
+++ b/plugins/power/gsd-power-manager.c
@@ -50,6 +50,7 @@
#include "gnome-settings-session.h"
#include "gsd-enums.h"
#include "gsd-power-manager.h"
+#include "rfkill-glib.h"
#define GNOME_SESSION_DBUS_NAME "org.gnome.SessionManager"
#define GNOME_SESSION_DBUS_PATH_PRESENCE "/org/gnome/SessionManager/Presence"
@@ -95,6 +96,7 @@ static const gchar introspection_xml[] =
" <property name='Icon' type='s' access='read'/>"
" <property name='Tooltip' type='s' access='read'/>"
" <property name='Percentage' type='d' access='read'/>"
+" <property name='AirplaneMode' type='b' access='readwrite'/>"
" <method name='GetPrimaryDevice'>"
" <arg name='device' type='(susdut)' direction='out' />"
" </method>"
@@ -214,6 +216,10 @@ struct GsdPowerManagerPrivate
GsdPowerIdleMode previous_idle_mode;
guint xscreensaver_watchdog_timer_id;
+
+ /* Killswitch stuff */
+ CcRfkillGlib *rfkill;
+ GHashTable *killswitches;
};
enum {
@@ -227,6 +233,7 @@ static void engine_update_composite_device (GsdPowerManager *manager);
static GIcon *engine_get_icon (GsdPowerManager *manager);
static gchar *engine_get_summary (GsdPowerManager *manager);
static gdouble engine_get_percentage (GsdPowerManager *manager);
+static gboolean engine_get_airplane_mode (GsdPowerManager *manager);
static void do_power_action_type (GsdPowerManager *manager, GsdPowerActionType action_type);
static void do_lid_closed_action (GsdPowerManager *manager);
static void uninhibit_lid_switch (GsdPowerManager *manager);
@@ -3270,6 +3277,73 @@ logind_proxy_signal_cb (GDBusProxy *proxy,
}
}
+static gboolean
+engine_get_airplane_mode (GsdPowerManager *manager)
+{
+ gboolean enabled;
+ GHashTableIter iter;
+ gpointer key, value;
+
+ enabled = TRUE;
+
+ g_hash_table_iter_init (&iter, manager->priv->killswitches);
+ while (g_hash_table_iter_next (&iter, &key, &value)) {
+ int idx, state;
+
+ idx = GPOINTER_TO_INT (key);
+ state = GPOINTER_TO_INT (value);
+ g_debug ("Killswitch %d is %s", idx, state ? "enabled" : "disabled");
+
+ /* A single device that's enabled? airplane mode is off */
+ if (state == FALSE) {
+ enabled = FALSE;
+ break;
+ }
+ }
+
+ return enabled;
+}
+
+static void
+rfkill_changed (CcRfkillGlib *rfkill,
+ GList *events,
+ GsdPowerManager *manager)
+{
+ GList *l;
+ GVariant *params;
+
+ for (l = events; l != NULL; l = l->next) {
+ struct rfkill_event *event = l->data;
+
+ switch (event->op) {
+ case RFKILL_OP_ADD:
+ case RFKILL_OP_CHANGE:
+ g_hash_table_insert (manager->priv->killswitches,
+ GINT_TO_POINTER (event->idx),
+ GINT_TO_POINTER (event->soft || event->hard));
+ break;
+ case RFKILL_OP_DEL:
+ g_hash_table_remove (manager->priv->killswitches,
+ GINT_TO_POINTER (event->idx));
+ break;
+ }
+ }
+
+ /* not yet connected to the bus */
+ if (manager->priv->connection == NULL)
+ return;
+
+ params = g_variant_new_parsed ("('" GSD_POWER_DBUS_NAME "', [{'AirplaneMode', %v}], @as [])",
+ g_variant_new_boolean (engine_get_airplane_mode (manager)));
+
+ g_dbus_connection_emit_signal (manager->priv->connection,
+ NULL,
+ GSD_POWER_DBUS_PATH,
+ "org.freedesktop.DBus.Properties",
+ "PropertiesChanged",
+ params, NULL);
+}
+
gboolean
gsd_power_manager_start (GsdPowerManager *manager,
GError **error)
@@ -3432,6 +3506,12 @@ gsd_power_manager_start (GsdPowerManager *manager,
/* don't blank inside a VM */
manager->priv->is_virtual_machine = gsd_power_is_hardware_a_vm ();
+ manager->priv->killswitches = g_hash_table_new (g_direct_hash, g_direct_equal);
+ manager->priv->rfkill = cc_rfkill_glib_new ();
+ g_signal_connect (G_OBJECT (manager->priv->rfkill), "changed",
+ G_CALLBACK (rfkill_changed), manager);
+ cc_rfkill_glib_open (manager->priv->rfkill);
+
gnome_settings_profile_end (NULL);
return TRUE;
}
@@ -3755,6 +3835,10 @@ handle_get_property_main (GsdPowerManager *manager,
percentage = engine_get_percentage (manager);
if (percentage >= 0)
retval = g_variant_new_double (percentage);
+ } else if (g_strcmp0 (property_name, "AirplaneMode") == 0) {
+ gboolean airplane_mode;
+ airplane_mode = engine_get_airplane_mode (manager);
+ retval = g_variant_new_boolean (airplane_mode);
}
return retval;
@@ -3805,6 +3889,33 @@ handle_get_property (GDBusConnection *connection,
}
static gboolean
+engine_set_airplane_mode (GsdPowerManager *manager,
+ gboolean enable)
+{
+ struct rfkill_event event;
+
+ memset (&event, 0, sizeof(event));
+ event.op = RFKILL_OP_CHANGE_ALL;
+ event.type = RFKILL_TYPE_ALL;
+ event.soft = enable ? 1 : 0;
+ return cc_rfkill_glib_send_event (manager->priv->rfkill, &event) >= 0;
+}
+
+static gboolean
+handle_set_property_main (GsdPowerManager *manager,
+ const gchar *property_name,
+ GVariant *value)
+{
+ if (g_strcmp0 (property_name, "AirplaneMode") == 0) {
+ gboolean airplane_mode;
+ g_variant_get (value, "b", &airplane_mode);
+ return engine_set_airplane_mode (manager, airplane_mode);
+ }
+
+ return FALSE;
+}
+
+static gboolean
handle_set_property_screen (GsdPowerManager *manager,
const gchar *property_name,
GVariant *value)
@@ -3838,6 +3949,8 @@ handle_set_property (GDBusConnection *connection,
if (g_strcmp0 (interface_name, GSD_POWER_DBUS_INTERFACE_SCREEN) == 0) {
return handle_set_property_screen (manager, property_name, value);
+ } else if (g_strcmp0 (interface_name, GSD_POWER_DBUS_INTERFACE) == 0) {
+ return handle_set_property_main (manager, property_name, value);
} else {
g_warning ("not recognised interface: %s", interface_name);
return FALSE;
diff --git a/plugins/power/rfkill-glib.c b/plugins/power/rfkill-glib.c
new file mode 100644
index 0000000..7c9ee3c
--- /dev/null
+++ b/plugins/power/rfkill-glib.c
@@ -0,0 +1,299 @@
+/*
+ *
+ * gnome-bluetooth - Bluetooth integration for GNOME
+ *
+ * Copyright (C) 2012 Bastien Nocera <hadess hadess net>
+ *
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <errno.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <string.h>
+
+#include <glib.h>
+
+#include "rfkill-glib.h"
+
+enum {
+ CHANGED,
+ LAST_SIGNAL
+};
+
+static int signals[LAST_SIGNAL] = { 0 };
+
+#define CC_RFKILL_GLIB_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE((obj), \
+ CC_RFKILL_TYPE_GLIB, CcRfkillGlibPrivate))
+
+struct CcRfkillGlibPrivate {
+ int fd;
+ GIOChannel *channel;
+ guint watch_id;
+};
+
+G_DEFINE_TYPE(CcRfkillGlib, cc_rfkill_glib, G_TYPE_OBJECT)
+
+int
+cc_rfkill_glib_send_event (CcRfkillGlib *rfkill, struct rfkill_event *event)
+{
+ g_return_val_if_fail (RFKILL_IS_GLIB (rfkill), -1);
+ g_return_val_if_fail (rfkill->priv->fd > 0, -1);
+
+ return write (rfkill->priv->fd, event, sizeof(struct rfkill_event));
+}
+
+static const char *
+type_to_string (unsigned int type)
+{
+ switch (type) {
+ case RFKILL_TYPE_ALL:
+ return "ALL";
+ case RFKILL_TYPE_WLAN:
+ return "WLAN";
+ case RFKILL_TYPE_BLUETOOTH:
+ return "RFKILL";
+ case RFKILL_TYPE_UWB:
+ return "UWB";
+ case RFKILL_TYPE_WIMAX:
+ return "WIMAX";
+ case RFKILL_TYPE_WWAN:
+ return "WWAN";
+ default:
+ return "UNKNOWN";
+ }
+}
+
+static const char *
+op_to_string (unsigned int op)
+{
+ switch (op) {
+ case RFKILL_OP_ADD:
+ return "ADD";
+ case RFKILL_OP_DEL:
+ return "DEL";
+ case RFKILL_OP_CHANGE:
+ return "CHANGE";
+ case RFKILL_OP_CHANGE_ALL:
+ return "CHANGE_ALL";
+ default:
+ g_assert_not_reached ();
+ }
+}
+
+static void
+print_event (struct rfkill_event *event)
+{
+ g_debug ("RFKILL event: idx %u type %u (%s) op %u (%s) soft %u hard %u",
+ event->idx,
+ event->type, type_to_string (event->type),
+ event->op, op_to_string (event->op),
+ event->soft, event->hard);
+}
+
+static void
+emit_changed_signal_and_free (CcRfkillGlib *rfkill,
+ GList *events)
+{
+ if (events == NULL)
+ return;
+
+ g_signal_emit (G_OBJECT (rfkill),
+ signals[CHANGED],
+ 0, events);
+ g_list_free_full (events, g_free);
+}
+
+static gboolean
+event_cb (GIOChannel *source,
+ GIOCondition condition,
+ CcRfkillGlib *rfkill)
+{
+ GList *events;
+
+ events = NULL;
+
+ if (condition & G_IO_IN) {
+ GIOStatus status;
+ struct rfkill_event event;
+ gsize read;
+
+ status = g_io_channel_read_chars (source,
+ (char *) &event,
+ sizeof(event),
+ &read,
+ NULL);
+
+ while (status == G_IO_STATUS_NORMAL && read == sizeof(event)) {
+ struct rfkill_event *event_ptr;
+
+ print_event (&event);
+
+ event_ptr = g_memdup (&event, sizeof(event));
+ events = g_list_prepend (events, event_ptr);
+
+ status = g_io_channel_read_chars (source,
+ (char *) &event,
+ sizeof(event),
+ &read,
+ NULL);
+ }
+ events = g_list_reverse (events);
+ } else {
+ g_debug ("something else happened");
+ return FALSE;
+ }
+
+ emit_changed_signal_and_free (rfkill, events);
+
+ return TRUE;
+}
+
+static void
+cc_rfkill_glib_init (CcRfkillGlib *rfkill)
+{
+ CcRfkillGlibPrivate *priv;
+
+ priv = CC_RFKILL_GLIB_GET_PRIVATE (rfkill);
+ rfkill->priv = priv;
+ rfkill->priv->fd = -1;
+}
+
+int
+cc_rfkill_glib_open (CcRfkillGlib *rfkill)
+{
+ CcRfkillGlibPrivate *priv;
+ int fd;
+ int ret;
+ GList *events;
+
+ g_return_val_if_fail (RFKILL_IS_GLIB (rfkill), -1);
+ g_return_val_if_fail (rfkill->priv->fd == -1, -1);
+
+ priv = rfkill->priv;
+
+ fd = open("/dev/rfkill", O_RDWR);
+ if (fd < 0) {
+ if (errno == EACCES)
+ g_warning ("Could not open RFKILL control device, please verify your installation");
+ return fd;
+ }
+
+ ret = fcntl(fd, F_SETFL, O_NONBLOCK);
+ if (ret < 0) {
+ g_debug ("Can't set RFKILL control device to non-blocking");
+ close(fd);
+ return ret;
+ }
+
+ events = NULL;
+
+ while (1) {
+ struct rfkill_event event;
+ struct rfkill_event *event_ptr;
+ ssize_t len;
+
+ len = read(fd, &event, sizeof(event));
+ if (len < 0) {
+ if (errno == EAGAIN)
+ break;
+ g_debug ("Reading of RFKILL events failed");
+ break;
+ }
+
+ if (len != RFKILL_EVENT_SIZE_V1) {
+ g_warning ("Wrong size of RFKILL event\n");
+ continue;
+ }
+
+ if (event.op != RFKILL_OP_ADD)
+ continue;
+
+ g_debug ("Read killswitch of type '%s' (idx=%d): soft %d hard %d",
+ type_to_string (event.type),
+ event.idx, event.soft, event.hard);
+
+ event_ptr = g_memdup (&event, sizeof(event));
+ events = g_list_prepend (events, event_ptr);
+ }
+
+ /* Setup monitoring */
+ priv->fd = fd;
+ priv->channel = g_io_channel_unix_new (priv->fd);
+ priv->watch_id = g_io_add_watch (priv->channel,
+ G_IO_IN | G_IO_HUP | G_IO_ERR,
+ (GIOFunc) event_cb,
+ rfkill);
+
+ events = g_list_reverse (events);
+ emit_changed_signal_and_free (rfkill, events);
+
+ return fd;
+}
+
+static void
+cc_rfkill_glib_finalize (GObject *object)
+{
+ CcRfkillGlib *rfkill;
+ CcRfkillGlibPrivate *priv;
+
+ rfkill = CC_RFKILL_GLIB (object);
+ priv = rfkill->priv;
+
+ /* cleanup monitoring */
+ if (priv->watch_id > 0) {
+ g_source_remove (priv->watch_id);
+ priv->watch_id = 0;
+ g_io_channel_shutdown (priv->channel, FALSE, NULL);
+ g_io_channel_unref (priv->channel);
+ }
+ close(priv->fd);
+ priv->fd = -1;
+
+ G_OBJECT_CLASS(cc_rfkill_glib_parent_class)->finalize(object);
+}
+
+static void
+cc_rfkill_glib_class_init(CcRfkillGlibClass *klass)
+{
+ GObjectClass *object_class = (GObjectClass *) klass;
+
+ g_type_class_add_private(klass, sizeof(CcRfkillGlibPrivate));
+ object_class->finalize = cc_rfkill_glib_finalize;
+
+ signals[CHANGED] =
+ g_signal_new ("changed",
+ G_TYPE_FROM_CLASS (klass),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (CcRfkillGlibClass, changed),
+ NULL, NULL,
+ NULL,
+ G_TYPE_NONE, 1, G_TYPE_POINTER);
+
+}
+
+CcRfkillGlib *
+cc_rfkill_glib_new (void)
+{
+ return CC_RFKILL_GLIB (g_object_new (CC_RFKILL_TYPE_GLIB, NULL));
+}
diff --git a/plugins/power/rfkill-glib.h b/plugins/power/rfkill-glib.h
new file mode 100644
index 0000000..c2834d4
--- /dev/null
+++ b/plugins/power/rfkill-glib.h
@@ -0,0 +1,65 @@
+/*
+ *
+ * gnome-bluetooth - Bluetooth integration for GNOME
+ *
+ * Copyright (C) 2012 Bastien Nocera <hadess hadess net>
+ *
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ */
+
+#ifndef __CC_RFKILL_GLIB_H
+#define __CC_RFKILL_GLIB_H
+
+#include <glib-object.h>
+#include "rfkill.h"
+
+G_BEGIN_DECLS
+
+#define CC_RFKILL_TYPE_GLIB (cc_rfkill_glib_get_type())
+#define CC_RFKILL_GLIB(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), \
+ CC_RFKILL_TYPE_GLIB, CcRfkillGlib))
+#define CC_RFKILL_GLIB_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), \
+ CC_RFKILL_TYPE_GLIB, CcRfkillGlibClass))
+#define RFKILL_IS_GLIB(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), \
+ CC_RFKILL_TYPE_GLIB))
+#define RFKILL_IS_GLIB_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), \
+ CC_RFKILL_TYPE_GLIB))
+#define RFKILL_GET_GLIB_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), \
+ CC_RFKILL_TYPE_GLIB, CcRfkillGlibClass))
+
+typedef struct CcRfkillGlibPrivate CcRfkillGlibPrivate;
+
+typedef struct _CcRfkillGlib {
+ GObject parent;
+ CcRfkillGlibPrivate *priv;
+} CcRfkillGlib;
+
+typedef struct _CcRfkillGlibClass {
+ GObjectClass parent_class;
+
+ void (*changed) (CcRfkillGlib *rfkill, GList *events);
+} CcRfkillGlibClass;
+
+GType cc_rfkill_glib_get_type(void);
+
+CcRfkillGlib *cc_rfkill_glib_new (void);
+int cc_rfkill_glib_open (CcRfkillGlib *rfkill);
+int cc_rfkill_glib_send_event (CcRfkillGlib *rfkill, struct rfkill_event *event);
+
+G_END_DECLS
+
+#endif /* __CC_RFKILL_GLIB_H */
diff --git a/plugins/power/rfkill.h b/plugins/power/rfkill.h
new file mode 100644
index 0000000..abb2c66
--- /dev/null
+++ b/plugins/power/rfkill.h
@@ -0,0 +1,107 @@
+#ifndef __RFKILL_H
+#define __RFKILL_H
+
+/*
+ * 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.
+ */
+
+#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 /* RFKILL_H */
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