| /linux/drivers/iommu/ |
| H A D | io-pgfault.c | 1 // SPDX-License-Identifier: GPL-2.0
14 #include "iommu-priv.h"
23 struct dev_iommu *param = dev->iommu; in iopf_get_dev_fault_param()
27 fault_param = rcu_dereference(param->fault_param); in iopf_get_dev_fault_param()
28 if (fault_param && !refcount_inc_not_zero(&fault_param->users)) in iopf_get_dev_fault_param()
38 if (refcount_dec_and_test(&fault_param->users)) in iopf_put_dev_fault_param()
42 static void __iopf_free_group(struct iopf_group *group) in __iopf_free_group() argument
46 list_for_each_entry_safe(iopf, next, &group->faults, list) { in __iopf_free_group()
47 if (!(iopf->fault.prm.flags & IOMMU_FAULT_PAGE_REQUEST_LAST_PAGE)) in __iopf_free_group()
52 iopf_put_dev_fault_param(group->fault_param); in __iopf_free_group()
[all …]
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| /linux/fs/notify/ |
| H A D | notification.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
7 * Basic idea behind the notification queue: An fsnotify group (like inotify)
10 * event to the group notify queue. Since a single event might need to be on
11 * multiple group's notification queues we can't add the event directly to each
12 * queue and instead add a small "event_holder" to each queue. This event_holder
14 * going to end up on one, and only one, notification queue we embed one
17 * another group a new event_holder (from fsnotify_event_holder_cachep) will be
41 * fsnotify_get_cookie - return a unique cookie for use in synchronizing events.
50 void fsnotify_destroy_event(struct fsnotify_group *group, in fsnotify_destroy_event() argument
53 /* Overflow events are per-group and we don't want to free them */ in fsnotify_destroy_event()
[all …]
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| /linux/tools/perf/pmu-events/arch/x86/amdzen3/ |
| H A D | other.json | 5 "BriefDescription": "Cycles where the Micro-Op Queue is empty."
22 …"BriefDescription": "Cycles where a dispatch group is valid but does not get dispatched due to a T…
28 …"BriefDescription": "Cycles where a dispatch group is valid but does not get dispatched due to a T…
34 …"BriefDescription": "Cycles where a dispatch group is valid but does not get dispatched due to a T…
40 …"BriefDescription": "Cycles where a dispatch group is valid but does not get dispatched due to a T…
46 …"BriefDescription": "Cycles where a dispatch group is valid but does not get dispatched due to a t…
52 …group is valid but does not get dispatched due to a Token Stall. Also counts cycles when the threa…
58 …group is valid but does not get dispatched due to a Token Stall. Also counts cycles when the threa…
64 …"BriefDescription": "Cycles where a dispatch group is valid but does not get dispatched due to a T…
70 …ion": "Cycles where a dispatch group is valid but does not get dispatched due to a token stall. In…
[all …]
|
| /linux/block/ |
| H A D | bfq-iosched.h | 1 /* SPDX-License-Identifier: GPL-2.0-or-later */
12 #include "blk-cgroup-rwstat.h"
29 * Soft real-time applications are extremely more latency sensitive
30 * than interactive ones. Over-raise the weight of the former to
38 * per-actuator data. The current value is hopefully a good upper
46 * struct bfq_service_tree - per ioprio_class service tree.
48 * Each service tree represents a B-WF2Q+ scheduler on its own. Each
50 * bfq_service_tree. All the fields are protected by the queue lock
71 * struct bfq_sched_data - multi-class scheduler.
73 * bfq_sched_data is the basic scheduler queue. It supports three
[all …]
|
| H A D | bfq-cgroup.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
16 #include "bfq-iosched.h"
23 ret = percpu_counter_init(&stat->cpu_cnt, 0, gfp); in bfq_stat_init()
27 atomic64_set(&stat->aux_cnt, 0); in bfq_stat_init()
33 percpu_counter_destroy(&stat->cpu_cnt); in bfq_stat_exit()
37 * bfq_stat_add - add a value to a bfq_stat
42 * don't re-enter this function for the same counter.
46 percpu_counter_add_batch(&stat->cpu_cnt, val, BLKG_STAT_CPU_BATCH); in bfq_stat_add()
50 * bfq_stat_read - read the current value of a bfq_stat
55 return percpu_counter_sum_positive(&stat->cpu_cnt); in bfq_stat_read()
[all …]
|
| /linux/Documentation/block/ |
| H A D | bfq-iosched.rst | 5 BFQ is a proportional-share I/O scheduler, with some extra
6 low-latency capabilities. In addition to cgroups support (blkio or io
9 - BFQ guarantees a high system and application responsiveness, and a
10 low latency for time-sensitive applications, such as audio or video
12 - BFQ distributes bandwidth, not just time, among processes or
19 goal, for a given device, is to achieve the maximum-possible
20 throughput at all times, then do switch off all low-latency heuristics
25 As every I/O scheduler, BFQ adds some overhead to per-I/O-request
27 single-lock-protected, per-request processing time of BFQ---i.e., the
29 completion hooks---is, e.g., 1.9 us on an Intel Core i7-2760QM@2.40GHz
[all …]
|
| /linux/Documentation/netlink/specs/ |
| H A D | net_shaper.yaml | 1 # SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause)
2 ---
3 name: net-shaper
18 scheduling group, that can be placed in an arbitrary location of
23 the @group operation, to create and update a scheduling
24 group. Only the @group operation can create @node scope shapers.
33 @cap-get operation.
36 -
40 render-max: true
42 - name: unspec
[all …]
|
| /linux/kernel/time/ |
| H A D | timer_migration.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */
5 /* Per group capacity. Must be a power of 2! */
9 * struct tmigr_event - a timer event associated to a CPU
10 * @nextevt: The node to enqueue an event in the parent group queue
13 * CPU or group is active;
22 * struct tmigr_group - timer migration hierarchy group
23 * @lock: Lock protecting the event information and group hierarchy
25 * @parent: Pointer to the parent group. Pointer is updated when a
36 * @groupevt: Next event of the group which is only used when the
37 * group is !active. The group event is then queued into
[all …]
|
| /linux/tools/perf/pmu-events/arch/x86/amdzen2/ |
| H A D | other.json | 5 "BriefDescription": "Cycles where the Micro-Op Queue is empty."
28 …"BriefDescription": "Cycles where a dispatch group is valid but does not get dispatched due to a t…
34 …"BriefDescription": "Cycles where a dispatch group is valid but does not get dispatched due to a t…
40 …"BriefDescription": "Cycles where a dispatch group is valid but does not get dispatched due to a t…
46 …"BriefDescription": "Cycles where a dispatch group is valid but does not get dispatched due to a t…
52 …"BriefDescription": "Cycles where a dispatch group is valid but does not get dispatched due to a t…
58 …escription": "Cycles where a dispatch group is valid but does not get dispatched due to a token st…
64 …Description": "Cycles where a dispatch group is valid but does not get dispatched due to a token s…
70 …"BriefDescription": "Cycles where a dispatch group is valid but does not get dispatched due to a t…
76 …"BriefDescription": "Cycles where a dispatch group is valid but does not get dispatched due to a t…
[all …]
|
| /linux/arch/mips/include/asm/octeon/ |
| H A D | cvmx-pow.h | 7 * Copyright (c) 2003-2008 Cavium Networks
14 * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty
21 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
31 * New, starting with SDK 1.7.0, cvmx-pow supports a number of
36 * enabled. For example, cvmx-pow will check for the following
38 * - Requesting a POW operation with an active tag switch in
40 * - Waiting for a tag switch to complete for an excessively
43 * - Illegal tag switches from NULL_NULL.
44 * - Illegal tag switches from NULL.
45 * - Illegal deschedule request.
[all …]
|
| /linux/drivers/accel/ivpu/ |
| H A D | vpu_jsm_api.h | 1 /* SPDX-License-Identifier: MIT */
3 * Copyright (c) 2020-2024, Intel Corporation.
74 /* Job status returned when the job was preempted mid-inference */
79 * Host <-> VPU IPC channels.
80 * ASYNC commands use a high priority channel, other messages use low-priority ones.
100 * When set, the object in job queue is an inline command (see struct vpu_inline_cmd below).
101 * When cleared, the object in job queue is a job (see struct vpu_job_queue_entry below).
113 * Job queue flags bit masks.
119 * job from this queue. When cleared, indicates that job done notification
120 * should be sent for every job completed from this queue.
[all …]
|
| /linux/drivers/net/ethernet/freescale/ |
| H A D | gianfar.h | 1 /* SPDX-License-Identifier: GPL-2.0-or-later */
13 * Copyright 2002-2009, 2011-2013 Freescale Semiconductor, Inc.
16 * -Add support for module parameters
17 * -Add patch for ethtool phys id
67 #define DRV_NAME "gfar-enet"
92 #define GFAR_RXB_SIZE rounddown(GFAR_RXB_TRUESIZE - GFAR_SKBFRAG_OVR, 64)
95 #define TX_RING_MOD_MASK(size) (size-1)
96 #define RX_RING_MOD_MASK(size) (size-1)
281 /* weighted round-robin scheduling (WRRS) */
381 * to the 3-bit hash value generated */
[all …]
|
| /linux/drivers/gpu/drm/xe/ |
| H A D | xe_hw_engine_group.c | 1 // SPDX-License-Identifier: MIT
19 struct xe_hw_engine_group *group = container_of(w, struct xe_hw_engine_group, resume_work); in hw_engine_group_resume_lr_jobs_func() local
23 err = xe_hw_engine_group_get_mode(group, EXEC_MODE_LR, &previous_mode); in hw_engine_group_resume_lr_jobs_func()
30 list_for_each_entry(q, &group->exec_queue_list, hw_engine_group_link) { in hw_engine_group_resume_lr_jobs_func()
31 if (!xe_vm_in_fault_mode(q->vm)) in hw_engine_group_resume_lr_jobs_func()
34 q->ops->resume(q); in hw_engine_group_resume_lr_jobs_func()
38 xe_hw_engine_group_put(group); in hw_engine_group_resume_lr_jobs_func()
44 struct xe_hw_engine_group *group; in hw_engine_group_alloc() local
47 group = drmm_kzalloc(&xe->drm, sizeof(*group), GFP_KERNEL); in hw_engine_group_alloc()
48 if (!group) in hw_engine_group_alloc()
[all …]
|
| /linux/fs/jfs/ |
| H A D | jfs_logmgr.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Copyright (C) International Business Machines Corp., 2000-2004
4 * Portions Copyright (C) Christoph Hellwig, 2001-2002
23 * group commit:
24 * transactions which wrote COMMIT records in the same in-memory
34 * . a per log lock serialize group commit.
38 * careful-write (ping-pong) of last logpage to recover from crash
40 * detection of split (out-of-order) write of physical sectors
45 * lsn - 64-bit monotonically increasing integer vs
46 * 32-bit lspn and page eor.
[all …]
|
| /linux/include/uapi/drm/ |
| H A D | panthor_drm.h | 1 /* SPDX-License-Identifier: MIT */
19 * - Structures must be aligned on 64-bit/8-byte. If the object is not
21 * - Fields must be explicitly aligned to their natural type alignment with
23 * - All padding fields will be checked by the driver to make sure they are
25 * - Flags can be added, but not removed/replaced.
26 * - New fields can be added to the main structures (the structures
31 * - Ne
[all...] |
| /linux/include/linux/ |
| H A D | fsnotify_backend.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
60 #define FS_PRE_ACCESS 0x00100000 /* Pre-content access hook */
80 * Directory entry modification events - reported only to directory
93 /* Pre-content events can be used to fill file content */
139 * Each group much define these ops. The fsnotify infrastructure will call
140 * these operations for each relevant group.
142 * handle_event - main call for a group to handle an fs event
143 * @group: group to notify
147 * @dir: optional directory associated with event -
152 * @iter_info: array of marks from this group that are interested in the event
[all …]
|
| /linux/drivers/net/wireless/intel/iwlwifi/fw/api/ |
| H A D | datapath.h | 1 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
3 * Copyright (C) 2024-2025 Intel Corporation
4 * Copyright (C) 2012-2014, 2018-2022 Intel Corporation
5 * Copyright (C) 2013-2015 Intel Mobile Communications GmbH
6 * Copyright (C) 2016-2017 Intel Deutschland GmbH
12 * enum iwl_data_path_subcmd_ids - data path group commands
82 * @SCD_QUEUE_CONFIG_CMD: new scheduler queue allocation/config/removal
143 * struct iwl_mu_group_mgmt_cmd - VHT MU-MIMO group configuration
147 * @user_position:the position of station in a group. If the station is in the
148 * group then bits (group * 2) is the position -1
[all …]
|
| /linux/drivers/crypto/marvell/octeontx/ |
| H A D | otx_cptvf.h | 1 /* SPDX-License-Identifier: GPL-2.0
22 #define otx_cpt_device_ready(cpt) ((cpt)->flags & OTX_CPT_FLAG_DEVICE_READY)
23 /* Default command queue length */
36 u32 idx; /* Command queue host write idx */
39 * Command queue head, instructions
47 u32 qchunksize; /* Command queue chunk size */
48 struct otx_cpt_cmd_queue queue[OTX_CPT_NUM_QS_PER_VF]; member
53 struct otx_cpt_pending_queue queue[OTX_CPT_NUM_QS_PER_VF]; member
57 for (i = 0, q = &qinfo->queue[i]; i < qinfo->num_queues; i++, \
58 q = &qinfo->queue[i])
[all …]
|
| /linux/Documentation/admin-guide/cgroup-v1/ |
| H A D | blkio-controller.rst | 22 -----------------------------
33 mount -t cgroup -o blkio none /sys/fs/cgroup/blkio
35 Specify a bandwidth rate on particular device for root group. The format
40 This will put a limit of 1MB/second on reads happening for root group
98 --------------------------------
101 Specifies per cgroup weight. This is default weight of the group
106 see Documentation/block/bfq-iosched.rst.
109 Specifies per cgroup per device weights, overriding the default group
110 weight. For more details, see Documentation/block/bfq-iosched.rst.
141 third field specifies the disk time allocated to group in
[all …]
|
| /linux/Documentation/devicetree/bindings/net/ |
| H A D | fsl,gianfar.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Freescale Three-Speed Ethernet Controller (TSEC), "Gianfar"
10 - J. Neuschäfer <j.ne@posteo.net>
12 # This is needed to distinguish gianfar.yaml and gianfar-mdio.yaml, because
16 - properties:
23 - device_type
25 - properties:
30 - compatible
[all …]
|
| /linux/tools/perf/pmu-events/arch/x86/skylakex/ |
| H A D | uncore-memory.json | 177 … "DRAM CAS (Column Address Strobe) Commands.; DRAM WR_CAS (w/ and w/out auto-pre) in Read Major Mo…
183 … number of Opportunistic DRAM Write CAS commands issued on this channel while in Read-Major-Mode.",
188 … "DRAM CAS (Column Address Strobe) Commands.; DRAM WR_CAS (w/ and w/out auto-pre) in Write Major M…
193 …nts the total number or DRAM Write CAS commands issued on this channel while in Write-Major-Mode.",
206 … "BriefDescription": "Clockticks in the Memory Controller using a dedicated 48-bit Fixed Counter",
263 …on the given channel. Major modea are channel-wide, and not a per-rank (or dimm or bank) mode.; …
274 …ected by a filter) on the given channel. Major modea are channel-wide, and not a per-rank (or di…
285 …ected by a filter) on the given channel. Major modea are channel-wide, and not a per-rank (or di…
296 …ected by a filter) on the given channel. Major modea are channel-wide, and not a per-rank (or di…
436 …-refresh and has a clock. This happens in some ACPI CPU package C-states for the sleep levels. For…
[all …]
|
| /linux/tools/perf/pmu-events/arch/x86/cascadelakex/ |
| H A D | uncore-memory.json | 177 … "DRAM CAS (Column Address Strobe) Commands.; DRAM WR_CAS (w/ and w/out auto-pre) in Read Major Mo…
183 … number of Opportunistic DRAM Write CAS commands issued on this channel while in Read-Major-Mode.",
188 … "DRAM CAS (Column Address Strobe) Commands.; DRAM WR_CAS (w/ and w/out auto-pre) in Write Major M…
193 …nts the total number or DRAM Write CAS commands issued on this channel while in Write-Major-Mode.",
206 … "BriefDescription": "Clockticks in the Memory Controller using a dedicated 48-bit Fixed Counter",
281 …on the given channel. Major modea are channel-wide, and not a per-rank (or dimm or bank) mode.; …
292 …ected by a filter) on the given channel. Major modea are channel-wide, and not a per-rank (or di…
303 …ected by a filter) on the given channel. Major modea are channel-wide, and not a per-rank (or di…
314 …ected by a filter) on the given channel. Major modea are channel-wide, and not a per-rank (or di…
324 "ScaleUnit": "6.103515625E-5MB/sec",
[all …]
|
| /linux/sound/core/seq/ |
| H A D | seq_clientmgr.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
4 * Copyright (c) 1998-2001 by Frank van de Pol <fvdpol@coil.demon.nl>
44 /* number of kernel non-card clients */
83 switch (file->f_mode & (FMODE_READ | FMODE_WRITE)) { in snd_seq_file_flags()
95 return snd_seq_total_cells(client->pool) > 0; in snd_seq_write_pool_allocated()
138 request_module("snd-se in client_use_ptr()
617 update_timestamp_of_queue(struct snd_seq_event * event,int queue,int real_time) update_timestamp_of_queue() argument
1721 struct snd_seq_queue *queue; snd_seq_ioctl_get_queue_status() local
1750 struct snd_seq_queue *queue; snd_seq_ioctl_get_queue_tempo() local
1800 struct snd_seq_queue *queue; snd_seq_ioctl_get_queue_timer() local
2032 struct snd_seq_port_subs_info *group; snd_seq_ioctl_query_subs() local
2630 snd_seq_info_dump_subscribers(struct snd_info_buffer * buffer,struct snd_seq_port_subs_info * group,int is_src,char * msg) snd_seq_info_dump_subscribers() argument
[all...] |
| /linux/include/uapi/linux/ |
| H A D | vhost.h | 1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
4 /* Userspace interface for in-kernel virtio accelerators. */
18 #define VHOST_FILE_UNBIND -1
74 /* Base value where queue looks for available descriptors */
80 * or VHOST_VRING_BIG_ENDIAN (other values return -EINVAL).
82 * returns -EBUSY.
130 * used for transmit. Pass fd -1 to unbind from the socket and the transmit
152 * the device id defined in virtio-spec.
156 * of the device status defined in virtio-spec.
161 * definition of the device config defined in virtio-spec.
[all …]
|
| /linux/tools/perf/trace/beauty/include/uapi/linux/ |
| H A D | vhost.h | 1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
4 /* Userspace interface for in-kernel virtio accelerators. */
18 #define VHOST_FILE_UNBIND -1
74 /* Base value where queue looks for available descriptors */
80 * or VHOST_VRING_BIG_ENDIAN (other values return -EINVAL).
82 * returns -EBUSY.
130 * used for transmit. Pass fd -1 to unbind from the socket and the transmit
152 * the device id defined in virtio-spec.
156 * of the device status defined in virtio-spec.
161 * definition of the device config defined in virtio-spec.
[all …]
|