| /linux/drivers/gpu/drm/panthor/ |
| H A D | panthor_sched.c | 1 // SPDX-License-Identifier: GPL-2.0 or MIT
16 #include <linux/dma-mapping.h>
17 #include <linux/dma-resv.h>
22 #include <linux/iosys-map.h>
42 * Mali CSF hardware adopts a firmware-assisted scheduling model, where
45 * The scheduling happens at the scheduling group level, each group
47 * through the firmware interface). Each queue is assigned a command
54 * rotating the groups passed to the firmware so every group gets
57 * The current implementation only supports with kernel-mode queues.
58 * In other terms, userspace doesn't have access to the ring-buffer.
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| /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()
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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()
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| H A D | group.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
20 * Final freeing of a group
22 static void fsnotify_final_destroy_group(struct fsnotify_group *group) in fsnotify_final_destroy_group() argument
24 if (group->ops->free_group_priv) in fsnotify_final_destroy_group()
25 group->ops->free_group_priv(group); in fsnotify_final_destroy_group()
27 mem_cgroup_put(group->memcg); in fsnotify_final_destroy_group()
28 mutex_destroy(&group->mark_mutex); in fsnotify_final_destroy_group()
30 kfree(group); in fsnotify_final_destroy_group()
34 * Stop queueing new events for this group. Once this function returns
35 * fsnotify_add_event() will not add any new events to the group's queue.
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| /linux/drivers/gpu/drm/xe/ |
| H A D | xe_exec_queue.h | 1 /* SPDX-License-Identifier: MIT */
41 if (kref_get_unless_zero(&q->refcount)) in xe_exec_queue_get_unless_zero()
51 kref_get(&q->refcount); in xe_exec_queue_get()
57 kref_put(&q->refcount, xe_exec_queue_destroy); in xe_exec_queue_put()
62 return q->width > 1; in xe_exec_queue_is_parallel()
67 return q->pxp.type; in xe_exec_queue_uses_pxp()
71 * xe_exec_queue_is_multi_queue() - Whether an exec_queue is part of a queue group.
74 * Return: True if the exec_queue is part of a queue group, false otherwise.
78 return q->multi_queue.valid; in xe_exec_queue_is_multi_queue()
82 * xe_exec_queue_is_multi_queue_primary() - Whether an exec_queue is primary queue
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| /linux/tools/testing/selftests/drivers/net/ |
| H A D | shaper.py | 2 # SPDX-License-Identifier: GPL-2.0
3 # pylint: disable=too-many-lines
15 def _delete_shaper(cfg, nl_shaper, handle) -> None:
16 """ Delete the shaper identified by handle, ignoring a missing-shaper error. """
25 """ Return the netdev TX queue count, skipping the test if fewer than count exist. """
26 qcnt = len(glob.glob(f"/sys/class/net/{cfg.ifname}/queues/tx-*"))
41 def _require_caps(cfg, nl_shaper, scope, caps, msg) -> None:
53 def get_shapers(cfg, nl_shaper) -> None:
64 def get_caps(cfg, nl_shaper) -> None:
76 def set_qshapers(cfg, nl_shaper) -> None:
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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 …]
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| /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
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| H A D | blk-throttle.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
5 #include "blk-cgroup-rwstat.h"
10 * issued. When dispatching bios from the children and local group at each
12 * of a local or child group which can queue many bios at once filling up
17 * the parent, they're popped in round-robin order so that no single source
22 * throtl_service_queue and then dispatched in round-robin order.
31 struct list_head node; /* service_queue->queued[] */
50 * their ->disptime.
60 THROTL_TG_WAS_EMPTY = 1 << 1, /* bio_lists[] became non-empty */
62 * The sq's iops queue is empty, and a bio is about to be enqueued
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| 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()
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| H A D | genhd.c | 1 // SPDX-License-Identifier: GPL-2.0
14 #include <linux/backing-dev.h>
30 #include "blk-throttle.h"
32 #include "blk-mq-sched.h"
33 #include "blk-rq-qos.h"
34 #include "blk-cgroup.h"
63 disk->disk_name, sectors, in set_capacity()
68 bdev_set_nr_sectors(disk->part0, sectors); in set_capacity()
90 (disk->flags & GENHD_FL_HIDDEN)) in set_capacity_and_notify()
94 disk->disk_name, capacity, size); in set_capacity_and_notify()
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| /linux/tools/perf/pmu-events/arch/x86/amdzen6/ |
| H A D | decode.json | 5 …"BriefDescription": "Cycles where the op queue is empty. Such cycles indicate that the frontend is…
28 "BriefDescription": "Ops dispatched from the decoder to a floating-point unit.",
40 …"BriefDescription": "Cycles where a dispatch group is valid but does not get dispatched due to int…
46 …"BriefDescription": "Cycles where a dispatch group is valid but does not get dispatched due to loa…
52 …"BriefDescription": "Cycles where a dispatch group is valid but does not get dispatched due to sto…
58 …"BriefDescription": "Cycles where a dispatch group is valid but does not get dispatched due to tak…
64 …ption": "Cycles where a dispatch group is valid but does not get dispatched due to floating-point …
70 …"BriefDescription": "Cycles where a dispatch group is valid but does not get dispatched due to una…
76 …"BriefDescription": "Cycles where a dispatch group is valid but does not get dispatched due to una…
82 …"BriefDescription": "Cycles where a dispatch group is valid but does not get dispatched due to una…
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| /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
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|
| /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 -
38 name: max-handle-id
41 -
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| /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 …]
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| /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 */
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| /linux/include/linux/ |
| H A D | iommu.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Copyright (C) 2007-2008 Advanced Micro Devices, Inc.
63 * struct iommu_fault_page_request - Page Request data
65 * is the last page in group (IOMMU_FAULT_PAGE_REQUEST_* values).
70 * @grpid: Page Request Group Index
73 * @private_data: device-specific private information
88 * struct iommu_fault - Generic fault data
98 * enum iommu_page_response_code - Return status of fault handlers
113 * struct iommu_page_response - Generic page response information
115 * @grpid: Page Request Group Index
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| /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])
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| /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
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| /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
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| /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…
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| /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-5MiB/sec",
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| /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.
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| /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.
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| /linux/drivers/crypto/cavium/cpt/ |
| H A D | cptpf_mbox.c | 1 // SPDX-License-Identifier: GPL-2.0-only
12 cpt_write_csr64(cpt->reg_base, CPTX_PF_VFX_MBOXX(0, vf, 1), in cpt_send_msg_to_vf()
13 mbx->data); in cpt_send_msg_to_vf()
14 cpt_write_csr64(cpt->reg_base, CPTX_PF_VFX_MBOXX(0, vf, 0), mbx->msg); in cpt_send_msg_to_vf()
23 mbx->data = 0ull; in cpt_mbox_send_ack()
24 mbx->msg = CPT_MBOX_MSG_TYPE_ACK; in cpt_mbox_send_ack()
31 cpt_write_csr64(cpt->reg_base, CPTX_PF_MBOX_INTX(0, 0), (1 << vf)); in cpt_clear_mbox_intr()
41 pf_qx_ctl.u = cpt_read_csr64(cpt->reg_base, CPTX_PF_QX_CTL(0, vf)); in cpt_cfg_qlen_for_vf()
44 cpt_write_csr64(cpt->reg_base, CPTX_PF_QX_CTL(0, vf), pf_qx_ctl.u); in cpt_cfg_qlen_for_vf()
54 pf_qx_ctl.u = cpt_read_csr64(cpt->reg_base, CPTX_PF_QX_CTL(0, vf)); in cpt_cfg_vq_priority()
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