As a replacement of /prco/acpi/event, all ACPI events are exported to user
space either via netlink or via input layer.
Events that go into input layer should not be sent to netlink at the same time.
This patch introduces a new interface acpi_bus_generate_netlink_event which is
called by devices that want to export events via netlink rather than input layer.
events that are sent via netlink:
ac/battery/sbs events
thermal events
processor events
thinkpad_acpi dock/bay events
events that are sent via input layer:
video hotkey events
thinkpad_acpi hotkey events
button events
asus_acpi/asus-laptop hotkey events
sonypi/sonylaptop events
Signed-off-by: Zhang Rui <rui.zhang@xxxxxxxxx>
---
drivers/acpi/ac.c | 3 +++
drivers/acpi/battery.c | 3 +++
drivers/acpi/bus.c | 4 ----
drivers/acpi/event.c | 13 +++++++++----
drivers/acpi/processor_core.c | 7 +++++++
drivers/acpi/sbs.c | 1 +
drivers/acpi/thermal.c | 12 ++++++++++++
drivers/misc/thinkpad_acpi.c | 20 ++++++++++++++------
drivers/pci/hotplug/acpiphp_ibm.c | 3 +++
include/acpi/acpi_bus.h | 3 +--
10 files changed, 53 insertions(+), 16 deletions(-)
Index: linux-2.6.23-rc3/drivers/acpi/bus.c
===================================================================
--- linux-2.6.23-rc3.orig/drivers/acpi/bus.c
+++ linux-2.6.23-rc3/drivers/acpi/bus.c
@@ -292,10 +292,6 @@ int acpi_bus_generate_event(struct acpi_
if (!device)
return -EINVAL;
- if (acpi_bus_generate_genetlink_event(device, type, data))
- printk(KERN_WARNING PREFIX
- "Failed to generate an ACPI event via genetlink!\n");
-
/* drop event on the floor if no one's listening */
if (!event_is_open)
return 0;
Index: linux-2.6.23-rc3/drivers/acpi/event.c
===================================================================
--- linux-2.6.23-rc3.orig/drivers/acpi/event.c
+++ linux-2.6.23-rc3/drivers/acpi/event.c
@@ -147,7 +147,8 @@ static struct genl_multicast_group acpi_
.name = ACPI_GENL_MCAST_GROUP_NAME,
};
-int acpi_bus_generate_genetlink_event(struct acpi_device *device,
+int acpi_bus_generate_netlink_event(const char *device_class,
+ const char *bus_id,
u8 type, int data)
{
struct sk_buff *skb;
@@ -191,8 +192,8 @@ int acpi_bus_generate_genetlink_event(st
memset(event, 0, sizeof(struct acpi_genl_event));
- strcpy(event->device_class, device->pnp.device_class);
- strcpy(event->bus_id, device->dev.bus_id);
+ strcpy(event->device_class, device_class);
+ strcpy(event->bus_id, bus_id);
event->type = type;
event->data = data;
@@ -211,6 +212,8 @@ int acpi_bus_generate_genetlink_event(st
return 0;
}
+EXPORT_SYMBOL(acpi_bus_generate_netlink_event);
+
static int acpi_event_genetlink_init(void)
{
int result;
@@ -228,12 +231,14 @@ static int acpi_event_genetlink_init(voi
}
#else
-int acpi_bus_generate_genetlink_event(struct acpi_device *device, u8 type,
+int acpi_bus_generate_netlink_event(struct acpi_device *device, u8 type,
int data)
{
return 0;
}
+EXPORT_SYMBOL(acpi_generate_netlink_event);
+
static int acpi_event_genetlink_init(void)
{
return -ENODEV;
Index: linux-2.6.23-rc3/drivers/acpi/ac.c
===================================================================
--- linux-2.6.23-rc3.orig/drivers/acpi/ac.c
+++ linux-2.6.23-rc3/drivers/acpi/ac.c
@@ -205,6 +205,9 @@ static void acpi_ac_notify(acpi_handle h
case ACPI_NOTIFY_DEVICE_CHECK:
acpi_ac_get_state(ac);
acpi_bus_generate_event(device, event, (u32) ac->state);
+ acpi_bus_generate_netlink_event(device->pnp.device_class,
+ device->dev.bus_id, event,
+ (u32) ac->state);
break;
default:
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
Index: linux-2.6.23-rc3/include/acpi/acpi_bus.h
===================================================================
--- linux-2.6.23-rc3.orig/include/acpi/acpi_bus.h
+++ linux-2.6.23-rc3/include/acpi/acpi_bus.h
@@ -321,8 +321,7 @@ struct acpi_bus_event {
};
extern struct kset acpi_subsys;
-extern int acpi_bus_generate_genetlink_event(struct acpi_device *device,
- u8 type, int data);
+extern int acpi_bus_generate_netlink_event(const char*, const char*, u8, int);
/*
* External Functions
*/
Index: linux-2.6.23-rc3/drivers/acpi/battery.c
===================================================================
--- linux-2.6.23-rc3.orig/drivers/acpi/battery.c
+++ linux-2.6.23-rc3/drivers/acpi/battery.c
@@ -869,6 +869,9 @@ static void acpi_battery_notify(acpi_han
acpi_battery_notify_update(battery);
acpi_bus_generate_event(device, event,
acpi_battery_present(battery));
+ acpi_bus_generate_netlink_event(device->pnp.device_class,
+ device->dev.bus_id, event,
+ acpi_battery_present(battery));
break;
default:
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
Index: linux-2.6.23-rc3/drivers/acpi/processor_core.c
===================================================================
--- linux-2.6.23-rc3.orig/drivers/acpi/processor_core.c
+++ linux-2.6.23-rc3/drivers/acpi/processor_core.c
@@ -700,14 +700,21 @@ static void acpi_processor_notify(acpi_h
acpi_processor_ppc_has_changed(pr);
acpi_bus_generate_event(device, event,
pr->performance_platform_limit);
+ acpi_bus_generate_netlink_event(device->pnp.device_class,
+ device->dev.bus_id, event,
+ pr->performance_platform_limit);
break;
case ACPI_PROCESSOR_NOTIFY_POWER:
acpi_processor_cst_has_changed(pr);
acpi_bus_generate_event(device, event, 0);
+ acpi_bus_generate_netlink_event(device->pnp.device_class,
+ device->dev.bus_id, event, 0);
break;
case ACPI_PROCESSOR_NOTIFY_THROTTLING:
acpi_processor_tstate_has_changed(pr);
acpi_bus_generate_event(device, event, 0);
+ acpi_bus_generate_netlink_event(device->pnp.device_class,
+ device->dev.bus_id, event, 0);
default:
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"Unsupported event [0x%x]\n", event));
Index: linux-2.6.23-rc3/drivers/acpi/thermal.c
===================================================================
--- linux-2.6.23-rc3.orig/drivers/acpi/thermal.c
+++ linux-2.6.23-rc3/drivers/acpi/thermal.c
@@ -487,6 +487,10 @@ static int acpi_thermal_critical(struct
KELVIN_TO_CELSIUS(tz->temperature));
acpi_bus_generate_event(tz->device, ACPI_THERMAL_NOTIFY_CRITICAL,
tz->trips.critical.flags.enabled);
+ acpi_bus_generate_netlink_event(tz->device->pnp.device_class,
+ tz->device->dev.bus_id,
+ ACPI_THERMAL_NOTIFY_CRITICAL,
+ tz->trips.critical.flags.enabled);
orderly_poweroff(true);
@@ -506,6 +510,10 @@ static int acpi_thermal_hot(struct acpi_
acpi_bus_generate_event(tz->device, ACPI_THERMAL_NOTIFY_HOT,
tz->trips.hot.flags.enabled);
+ acpi_bus_generate_netlink_event(tz->device->pnp.device_class,
+ tz->device->dev.bus_id,
+ ACPI_THERMAL_NOTIFY_HOT,
+ tz->trips.hot.flags.enabled);
/* TBD: Call user-mode "sleep(S4)" function */
@@ -1150,11 +1158,15 @@ static void acpi_thermal_notify(acpi_han
acpi_thermal_get_trip_points(tz);
acpi_thermal_check(tz);
acpi_bus_generate_event(device, event, 0);
+ acpi_bus_generate_netlink_event(device->pnp.device_class,
+ device->dev.bus_id, event, 0);
break;
case ACPI_THERMAL_NOTIFY_DEVICES:
if (tz->flags.devices)
acpi_thermal_get_devices(tz);
acpi_bus_generate_event(device, event, 0);
+ acpi_bus_generate_netlink_event(device->pnp.device_class,
+ device->dev.bus_id, event, 0);
break;
default:
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
Index: linux-2.6.23-rc3/drivers/misc/thinkpad_acpi.c
===================================================================
--- linux-2.6.23-rc3.orig/drivers/misc/thinkpad_acpi.c
+++ linux-2.6.23-rc3/drivers/misc/thinkpad_acpi.c
@@ -2162,22 +2162,27 @@ static void dock_notify(struct ibm_struc
int docked = dock_docked();
int pci = ibm->acpi->hid && ibm->acpi->device &&
acpi_match_device_ids(ibm->acpi->device, ibm_pci_device_ids);
+ int data;
if (event == 1 && !pci) /* 570 */
- acpi_bus_generate_event(ibm->acpi->device, event, 1); /* button */
+ data = 1; /* button */
else if (event == 1 && pci) /* 570 */
- acpi_bus_generate_event(ibm->acpi->device, event, 3); /* dock */
+ data = 3; /* dock */
else if (event == 3 && docked)
- acpi_bus_generate_event(ibm->acpi->device, event, 1); /* button */
+ data = 1; /* button */
else if (event == 3 && !docked)
- acpi_bus_generate_event(ibm->acpi->device, event, 2); /* undock */
+ data = 2; /* undock */
else if (event == 0 && docked)
- acpi_bus_generate_event(ibm->acpi->device, event, 3); /* dock */
+ data = 3; /* dock */
else {
printk(IBM_ERR "unknown dock event %d, status %d\n",
event, _sta(dock_handle));
- acpi_bus_generate_event(ibm->acpi->device, event, 0); /* unknown */
+ data = 0; /* unknown */
}
+ acpi_bus_generate_event(ibm->acpi->device, event, data);
+ acpi_bus_generate_netlink_event(ibm->acpi->device->pnp.device_class,
+ ibm->acpi->device->dev.bus_id,
+ event, data);
}
static int dock_read(char *p)
@@ -2276,6 +2281,9 @@ static int __init bay_init(struct ibm_in
static void bay_notify(struct ibm_struct *ibm, u32 event)
{
acpi_bus_generate_event(ibm->acpi->device, event, 0);
+ acpi_bus_generate_netlink_event(ibm->acpi->device->pnp.device_class,
+ ibm->acpi->device->dev.bus_id,
+ event, 0);
}
#define bay_occupied(b) (_sta(b##_handle) & 1)
Index: linux-2.6.23-rc3/drivers/pci/hotplug/acpiphp_ibm.c
===================================================================
--- linux-2.6.23-rc3.orig/drivers/pci/hotplug/acpiphp_ibm.c
+++ linux-2.6.23-rc3/drivers/pci/hotplug/acpiphp_ibm.c
@@ -268,6 +268,9 @@ static void ibm_handle_events(acpi_handl
if (subevent == 0x80) {
dbg("%s: generationg bus event\n", __FUNCTION__);
acpi_bus_generate_event(note->device, note->event, detail);
+ acpi_bus_generate_netlink_event(note->device->pnp.device_class,
+ note->device->dev.bus_id,
+ note->event, detail);
} else
note->event = event;
}
Index: linux-2.6.23-rc3/drivers/acpi/sbs.c
===================================================================
--- linux-2.6.23-rc3.orig/drivers/acpi/sbs.c
+++ linux-2.6.23-rc3/drivers/acpi/sbs.c
@@ -445,6 +445,7 @@ static int acpi_sbs_generate_event(struc
strcpy(acpi_device_bid(device), bid_saved);
strcpy(acpi_device_class(device), class_saved);
+ acpi_bus_generate_netlink_event(class, bid, event, state);
return result;
}
-
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