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/linux/Documentation/driver-api/media/
H A Dmc-core.rst18 modelled as an oriented graph of building blocks called entities connected
28 other entities. Data (not restricted to video) produced by an entity
33 on the same entity or on different entities. Data flows from a source
56 Entities chapter
59 Entities are represented by a struct media_entity
63 instances, although drivers can allocate entities directly.
68 Drivers register entities with a media device by calling
119 Associate two entities via their PADs. Each entity has a list that points
148 entities and links.
150 To iterate over all entities belonging to a media device, drivers can use
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/linux/include/media/
H A Dmedia-device.h32 * Drivers may register a callback to take action when new entities get
34 * links between existing entities and should not create entities and register
93 * @entities: List of registered entities
112 * access to entities and provides basic media device-level support. The
162 struct list_head entities; member
301 * Entities are identified by a unique positive integer ID. The media
305 * to the entities, but, instead, use the framework to find the ID, when
309 * calling media_device_register_entity(). Entities embedded in higher-level
317 * Entities have flags that describe the entity capabilities and state:
341 * Unregistering an entity will not change the IDs of the other entities and
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H A Dv4l2-mc.h28 * Add links between the entities commonly found on PC customer's hardware at
30 * analog TV decoder and I/O entities (video, VBI and Software Defined Radio).
149 * Update the use count of all entities in the pipeline and power entities on.
166 * Update the use count of all entities in the pipeline and power entities off.
185 * all entities in the source and sink sides of the link. Entities are powered
189 * Return 0 on success or a negative error code on failure. Powering entities
/linux/Documentation/networking/devlink/
H A Ddevlink-reload.rst7 ``devlink-reload`` provides mechanism to reinit driver entities, applying
23 - Devlink driver entities re-initialization, including applying
24 new values to devlink entities which are used during driver
30 Other devlink entities may stay over the re-initialization:
35 The rest of the devlink entities have to be removed and readded.
81 # Run reload command for devlink driver entities re-initialization:
/linux/include/drm/
H A Dgpu_scheduler.h78 * Entities will emit jobs in order to their corresponding hardware
79 * ring, and the scheduler will alternate between entities based on
86 * Used to append this struct to the list of entities in the runqueue
87 * @rq under &drm_sched_rq.entities.
187 * Points to entities' guilty.
239 * struct drm_sched_rq - queue of entities to be scheduled.
242 * @lock: protects @entities, @rb_tree_root and @current_entity.
244 * @entities: list of the entities to be scheduled.
245 * @rb_tree_root: root of time based priority queue of entities fo
257 struct list_head entities; global() member
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/linux/Documentation/userspace-api/media/mediactl/
H A Dmedia-controller-model.rst22 controls one or more entities in the graph.
25 interact with other entities. Data (not restricted to video) produced
31 pads, either on the same entity or on different entities. Data flows
38 entities form a single logical unit. For example this could represent the
H A Dmedia-ioc-enum-entities.rst13 MEDIA_IOC_ENUM_ENTITIES - Enumerate entities and their properties
42 Entities can be enumerated by or'ing the id with the
48 enumerate entities by calling MEDIA_IOC_ENUM_ENTITIES with increasing
H A Dmedia-ioc-g-topology.rst38 ``topology_version`` and the total number of entities, interfaces, pads
66 - Number of entities in the graph
74 - A pointer to a memory area where the entities array will be
76 the ioctl won't store the entities. It will just update
/linux/drivers/gpu/drm/amd/amdgpu/
H A Damdgpu_ctx.c258 if (cmpxchg(&ctx->entities[hw_ip][ring], NULL, entity)) in amdgpu_ctx_init_entity()
421 spend = amdgpu_ctx_fini_entity(adev, ctx->entities[i][j]); in amdgpu_ctx_fini()
456 if (ctx->entities[hw_ip][ring] == NULL) { in amdgpu_ctx_get_entity()
462 ctx_entity = &ctx->entities[hw_ip][ring]->entity; in amdgpu_ctx_get_entity()
514 if (!ctx->entities[i][j]) in amdgpu_ctx_do_release()
517 drm_sched_entity_destroy(&ctx->entities[i][j]->entity); in amdgpu_ctx_do_release()
850 if (!ctx->entities[i][j]) in amdgpu_ctx_priority_override()
853 amdgpu_ctx_set_entity_priority(ctx, ctx->entities[i][j], in amdgpu_ctx_priority_override()
910 if (!ctx->entities[i][j]) in amdgpu_ctx_mgr_entity_flush()
913 entity = &ctx->entities[i][j]->entity; in amdgpu_ctx_mgr_entity_flush()
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/linux/Documentation/admin-guide/media/
H A Drkisp1.rst63 Those entities are the DMA engines that write the frames to memory.
75 Those are resizer entities for the mainpath and the selfpath. Those entities
78 The resizers entities can only operate on YUV:4:2:2 format
89 connected to the sensor and on source pad 2 connected to the resizer entities.
200 Note that the resizer and capture entities will always report
/linux/drivers/gpu/drm/scheduler/
H A Dsched_main.c27 * The GPU scheduler provides entities which allow userspace to push jobs
29 * The software queues have a priority among them. The scheduler selects the entities
40 * 3. Each scheduler run queue has a queue of entities to schedule
41 * 4. Entities themselves maintain a queue of jobs that will be scheduled on
46 * Note that once a job was taken from the entities queue and pushed to the
55 * in which the jobs fetched from scheduler entities are executed.
91 * Used to override default entities scheduling policy in a run queue.
93 MODULE_PARM_DESC(sched_policy, "Specify the scheduling policy for entities on a run-queue, " __stri…
186 INIT_LIST_HEAD(&rq->entities); in drm_sched_rq_init()
210 list_add_tail(&entity->list, &rq->entities); in drm_sched_rq_add_entity()
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/linux/include/sound/
H A Dsdca_function.h24 * The addressing space for SDCA relies on 7 bits for Entities, so a
25 * maximum of 128 Entities per function can be represented.
945 * struct sdca_entity_iot - information specific to Input/Output Entities
978 * struct sdca_entity_cs - information specific to Clock Source Entities
1013 * struct sdca_entity_pde - information specific to Power Domain Entities
1018 * @num_managed: Number of Entities controlled by this PDE.
1106 * struct sdca_entity_ge - information specific to Group Entities
1107 * @kctl: ALSA control pointer that can be used by linked Entities.
1119 * struct sdca_entity_hide - information specific to HIDE Entities
1157 * struct sdca_entity_xu - information specific to XU Entities
1307 struct sdca_entity *entities; global() member
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/linux/sound/soc/sdca/
H A Dsdca_regmap.c26 if (SDW_SDCA_CTL_ENT(reg) == function->entities[i].id) in function_find_entity()
27 return &function->entities[i]; in function_find_entity()
218 struct sdca_entity *entity = &function->entities[i]; in sdca_regmap_count_constants()
252 struct sdca_entity *entity = &function->entities[i]; in sdca_regmap_populate_constants()
343 struct sdca_entity *entity = &function->entities[i];
H A Dsdca_functions.c1499 struct sdca_entity *entities; in find_sdca_entities() local
1510 dev_err(dev, "%pfwP: maximum number of entities exceeded\n", in find_sdca_entities()
1516 entities = devm_kcalloc(dev, num_entities + 1, sizeof(*entities), GFP_KERNEL); in find_sdca_entities()
1517 if (!entities) in find_sdca_entities()
1528 entities[i].id = entity_list[i]; in find_sdca_entities()
1537 "mipi-sdca-entity-id-0x%X-subproperties", entities[i].id); in find_sdca_entities()
1547 entity_node, &entities[i]); in find_sdca_entities()
1557 entities[num_entities].label = "entity0"; in find_sdca_entities()
1559 ret = find_sdca_entity_controls(dev, function_node, &entities[num_entities]); in find_sdca_entities()
1564 function->entities = entities; in find_sdca_entities()
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H A Dsdca_asoc.c84 struct sdca_entity *entity = &function->entities[i]; in sdca_asoc_count_component()
669 struct sdca_entity *entity = &function->entities[i];
672 * Some entities need to add controls "early" as they are in entity_parse_cs()
673 * referenced by other entities. in entity_parse_cs()
687 struct sdca_entity *entity = &function->entities[i]; in entity_parse_cs()
911 struct sdca_entity *entity = &function->entities[i]; in populate_control()
1094 struct sdca_entity *entity = &function->entities[i]; in populate_rate_format()
1234 struct sdca_entity *entity = &function->entities[dai->id]; in sdca_asoc_populate_component()
1324 struct sdca_entity *entity = &function->entities[dai->id]; in sdca_asoc_set_constraints()
1524 struct sdca_entity *entity = &function->entities[da in set_usage()
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/linux/drivers/net/wwan/t7xx/
H A Dt7xx_pci.h65 * @md_pm_entities: list of pm entities
87 struct mutex md_pm_entity_mtx; /* Protects MD PM entities list */
108 * @entity: list of PM Entities
/linux/drivers/media/test-drivers/vimc/
H A Dvimc-streamer.h22 * @ved_pipeline: array containing all the entities participating in the
31 * used to keep track of all entities and subdevices that generates and
/linux/block/
H A Dbfq-wf2q.c5 * scheduler schedules generic entities. The latter can represent
62 * activations/deactivations of entities, with some activations being
205 * actual number of active children entities: it happens to in bfq_no_longer_next_in_service()
213 * actual number of active entities. in bfq_no_longer_next_in_service()
665 * the last finish time of idle entities. in bfq_forget_idle()
783 * NOTE: this can be optimized, as the timestamps of upper level entities
1000 * changed because one of its child entities has in __bfq_requeue_entity()
1175 * nothing to change for upper-level entities in bfq_deactivate_entity()
1224 * need parent entities too to be removed completely. in bfq_deactivate_entity()
1231 * no more entities to touch and next loop is not executed at in bfq_deactivate_entity()
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H A Dbfq-iosched.h54 /* tree for active entities (i.e., those backlogged) */
56 /* tree for idle entities (i.e., not backlogged, with V < F_i)*/
66 /* scheduler weight sum; active and idle entities contribute to it */
93 * service among the other active entities in the same parent
130 * hierarchy. Non-leaf entities have also their own sched_data, stored
212 /* last child queue of entity created (for non-leaf entities) */
557 * pending-request counter must be added to entities, and must
972 * @sched_data: own sched_data, to contain child entities (they may be
983 * @active_entities: number of active entities belonging to the group;
994 * entities belonging to the group that are acting on the same device.
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/linux/drivers/media/usb/uvc/
H A Duvc_driver.c143 list_for_each_entry(entity, &dev->entities, list) { in uvc_entity_by_id()
157 entity = list_entry(&dev->entities, struct uvc_entity, list); in uvc_entity_by_reference()
159 list_for_each_entry_continue(entity, &dev->entities, list) { in uvc_entity_by_reference()
968 list_add_tail(&unit->list, &dev->entities); in uvc_parse_vendor_control()
1099 list_add_tail(&term->list, &dev->entities); in uvc_parse_standard_control()
1132 list_add_tail(&term->list, &dev->entities); in uvc_parse_standard_control()
1154 list_add_tail(&unit->list, &dev->entities); in uvc_parse_standard_control()
1183 list_add_tail(&unit->list, &dev->entities); in uvc_parse_standard_control()
1211 list_add_tail(&unit->list, &dev->entities); in uvc_parse_standard_control()
1290 /* GPIO entities are always on the first chain. */ in uvc_gpio_event()
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/linux/Documentation/virt/kvm/devices/
H A Dxics.rst33 Interrupt Control Presentation (ICP) entities, also called "servers",
36 The ICP entities are created by enabling the KVM_CAP_IRQ_ARCH
/linux/drivers/media/mc/
H A Dmc-device.c207 /* Find the source and sink entities and link. in media_device_setup_link()
226 /* Setup the link on both entities. */ in media_device_setup_link()
246 /* Get entities and number of entities */ in media_device_get_topology()
684 INIT_LIST_HEAD(&mdev->entities); in media_device_init()
803 /* Remove all entities from the media device */ in media_device_unregister()
804 list_for_each_entry_safe(entity, next, &mdev->entities, graph_obj.list) in media_device_unregister()
/linux/drivers/scsi/bfa/
H A Dbfa_plog.h52 * the following #defines will be used by the logging entities to indicate
78 * the following #defines will be used by the logging entities to indicate
/linux/Documentation/driver-api/hte/
H A Dhte.rst65 The total number of entities requested from the given provider,
72 The total number of entities supported by the provider.
/linux/Documentation/networking/
H A Dradiotap-headers.rst68 entities in the fixed radiotap header or the argument region means that you
70 entities. Some arches like Blackfin cannot deal with an attempt to

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