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Searched refs:notification (Results 1 – 25 of 218) sorted by relevance

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/linux/Documentation/networking/
H A Dmsg_zerocopy.rst24 notification overhead. As a result, MSG_ZEROCOPY is generally only
34 The kernel returns a notification when it is safe to modify data.
107 The notification itself is a simple scalar value. Each socket
157 When a new notification is about to be queued, it checks whether the
158 new value extends the range of the notification at the tail of the
159 queue. If so, it drops the new notification packet and instead increases
160 the range upper value of the outstanding notification.
163 notification can be squashed into the previous one, so that no more
164 than one notification is outstanding at any one point.
174 read_notification() call in the previous snippet. A notification
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/linux/Documentation/core-api/
H A Dwatch_queue.rst2 General notification mechanism
5 The general notification mechanism is built on top of the standard pipe driver
6 whereby it effectively splices notification messages from the kernel into pipes
14 "General setup"/"General notification queue"
29 additions to the ring - which might end up interleaved with notification
45 Note that when producing a notification, the kernel does not wait for the
62 "type" indicates the source of the notification record and "subtype" indicates
85 notification producer to indicate some meaning specific to the type and
125 A "watch queue" is the buffer allocated by an application that notification
146 thus the buffer, into which notification records should be written. The watch
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H A Dmemory-hotplug.rst10 Hotplugging events are sent to a notification queue.
15 There are six types of notification defined in ``include/linux/memory.h``:
83 further processing of the notification queue.
85 NOTIFY_STOP stops further processing of the notification queue.
90 There are six types of notification defined in ``include/linux/node.h``:
151 It stops further processing of the notification queue.
153 NOTIFY_STOP stops further processing of the notification queue.
/linux/Documentation/ABI/testing/
H A Dsysfs-class-fc_host5 These files contain the number of congestion notification
7 performance impact notification (FPIN) event.
15 performance impact notification (FPIN) event.
23 performance impact notification (FPIN) event.
H A Dsysfs-class-fc_remote_ports5 These files contain the number of congestion notification
7 performance impact notification (FPIN) event.
15 performance impact notification (FPIN) event.
23 performance impact notification (FPIN) event.
/linux/Documentation/ABI/stable/
H A Dthermal-notification1 What: A notification mechanism for thermal related events
3 This interface enables notification for thermal related events.
4 The notification is in the form of a netlink event.
/linux/tools/testing/selftests/net/packetdrill/
H A Dtcp_zerocopy_fastopen-client.pkt5 // kernel returns the notification ID.
9 // zerocopy notification counter is not incremented. Verify this too.
24 // Read from error queue: no zerocopy notification
45 // Read from error queue: now has first zerocopy notification
H A Dtcp_zerocopy_fastopen-server.pkt5 // kernel returns the notification ID.
31 // Read from error queue: now has first zerocopy notification
H A Dtcp_zerocopy_closed.pkt7 // First send on a closed socket and wait for (absent) notification.
8 // Then connect and send and verify that notification nr. is zero.
/linux/drivers/soc/qcom/
H A Dpmic_glink_altmode.c81 __le32 notification;
359 * HPD notification in pmic_glink_altmode_worker()
417 u32 notification; in pmic_glink_altmode_sc8180xp_notify()
432 notification = le32_to_cpu(msg->notification); in pmic_glink_altmode_sc8180xp_notify()
433 port = FIELD_GET(SC8180X_PORT_MASK, notification); in pmic_glink_altmode_sc8180xp_notify()
434 orientation = FIELD_GET(SC8180X_ORIENTATION_MASK, notification); in pmic_glink_altmode_sc8180xp_notify()
435 mux = FIELD_GET(SC8180X_MUX_MASK, notification); in pmic_glink_altmode_sc8180xp_notify()
436 mode = FIELD_GET(SC8180X_MODE_MASK, notification); in pmic_glink_altmode_sc8180xp_notify()
437 hpd_state = FIELD_GET(SC8180X_HPD_STATE_MASK, notification); in pmic_glink_altmode_sc8180xp_notify()
78 __le32 notification; global() member
400 u32 notification; pmic_glink_altmode_sc8180xp_notify() local
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/linux/drivers/staging/media/imx/
H A Dimx-media-dev-common.c236 unsigned int notification) in imx_media_link_notify() argument
247 ret = v4l2_pipeline_link_notify(link, flags, notification); in imx_media_link_notify()
271 if (notification == MEDIA_DEV_NOTIFY_PRE_LINK_CH && in imx_media_link_notify()
283 } else if (notification == MEDIA_DEV_NOTIFY_POST_LINK_CH && in imx_media_link_notify()
302 static void imx_media_notify(struct v4l2_subdev *sd, unsigned int notification, in imx_media_notify() argument
308 if (notification != V4L2_DEVICE_NOTIFY_EVENT) in imx_media_notify()
/linux/Documentation/firmware-guide/acpi/
H A Dacpi-lid.rst32 the lid state upon the last lid notification instead of returning the lid
43 changed to "opened". Thus the "opened" notification is not guaranteed. But
45 state is changed to "closed". The "closed" notification is normally used to
71 events and the unreliable initial state notification, Linux users can use
82 notification is missing.
93 control method is not reliable and the initial lid state notification is
97 and the unreliable initial state notification, Linux users should always
/linux/drivers/firmware/arm_scmi/vendors/imx/
H A Dimx95.rst61 notification of LM 'Y' boots or shuts down, when LM 'Y' boots or shuts down,
62 SCMI firmware will send notification to LM 'X').
65 notification to Linux, Then Linux reboots or powers down itself). It is async
335 | |Bit[3] Wake (resume) notification: |
336 | |Set to 1 to send notification. |
337 | |Set to 0 if no notification. |
338 | |Bit[2] Suspend (sleep) notification: |
339 | |Set to 1 to send notification. |
340 | |Set to 0 if no notification. |
341 | |Bit[1] Shutdown (off) notification: |
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/linux/include/media/
H A Dv4l2-mc.h194 unsigned int notification);
226 unsigned int notification) in v4l2_pipeline_link_notify() argument
H A Dv4l2-device.h52 unsigned int notification, void *arg);
239 unsigned int notification, void *arg) in v4l2_subdev_notify() argument
242 sd->v4l2_dev->notify(sd, notification, arg); in v4l2_subdev_notify()
/linux/Documentation/filesystems/
H A Ddnotify.rst9 The intention of directory notification is to allow user applications
11 The basic mechanism involves the application registering for notification
28 Usually, the application must reregister after each notification, but
46 The notification should work for any local access to files even if the
/linux/Documentation/wmi/
H A Dacpi-interface.rst32 0x10 2 2 character method ID or single byte notification ID.
37 The WMI object flags control whether the method or notification ID is used:
42 - 0x8: Data block describes a WMI event, use notification ID instead
46 The method/notification ID is used to construct the ACPI method names used for
81 the ACPI method are the notification ID of the data block describing the WMI
103 holding the notification ID of the event. This method should be evaluated every
104 time an ACPI notification is received, since some ACPI implementations use a
/linux/ipc/
H A Dmqueue.c1266 static int do_mq_notify(mqd_t mqdes, const struct sigevent *notification) in do_mq_notify() argument
1274 audit_mq_notify(mqdes, notification); in do_mq_notify()
1278 if (notification != NULL) { in do_mq_notify()
1279 if (unlikely(notification->sigev_notify != SIGEV_NONE && in do_mq_notify()
1280 notification->sigev_notify != SIGEV_SIGNAL && in do_mq_notify()
1281 notification->sigev_notify != SIGEV_THREAD)) in do_mq_notify()
1283 if (notification->sigev_notify == SIGEV_SIGNAL && in do_mq_notify()
1284 !valid_signal(notification->sigev_signo)) { in do_mq_notify()
1287 if (notification->sigev_notify == SIGEV_THREAD) { in do_mq_notify()
1296 notification->sigev_value.sival_ptr, in do_mq_notify()
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/linux/fs/notify/fanotify/
H A DKconfig3 bool "Filesystem wide access notification"
9 notification system which differs from inotify in that it sends
/linux/Documentation/power/
H A Dpm_qos_interface.rst40 value and recompute the new aggregated target, calling the notification tree
45 and call the notification tree if the target was changed as a result of
109 value and recompute the new aggregated target, calling the notification
114 and call the notification trees if the target was changed as a result of
162 The per-device PM QoS framework has a per-device notification tree.
165 Adds a notification callback function for the device for a particular request
172 Removes the notification callback function for the device.
/linux/Documentation/admin-guide/
H A Dfilesystem-monitoring.rst15 By design, a FAN_FS_ERROR notification exposes sufficient information
26 error that occurred for a file system since the last notification, and
69 notification.
/linux/Documentation/driver-api/thermal/
H A Dx86_pkg_temperature_thermal.rst25 user mode can receive notification via thermal notification mechanism and can
/linux/Documentation/trace/
H A Devents-pci.rst62 - ``2`` - Bandwidth notification enable
63 - ``3`` - Bandwidth notification IRQ
/linux/drivers/staging/media/tegra-video/
H A Dvideo.c30 unsigned int notification, void *arg) in tegra_v4l2_dev_notify() argument
35 if (notification != V4L2_DEVICE_NOTIFY_EVENT) in tegra_v4l2_dev_notify()
/linux/Documentation/hwmon/
H A Dacpi_power_meter.rst32 socket and a poll notification will be sent to the appropriate
49 broadcast on the netlink event socket and a poll notification will be sent to the
56 well as sent as a poll notification to a sysfs file. The events are as

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