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/linux/drivers/s390/char/
H A Dtape_std.c38 struct tape_request * request = from_timer(request, t, timer); in tape_std_assign_timeout() local
39 struct tape_device * device = request->device; in tape_std_assign_timeout()
46 rc = tape_cancel_io(device, request); in tape_std_assign_timeout()
56 struct tape_request *request; in tape_std_assign() local
58 request = tape_alloc_request(2, 11); in tape_std_assign()
59 if (IS_ERR(request)) in tape_std_assign()
60 return PTR_ERR(request); in tape_std_assign()
62 request->op = TO_ASSIGN; in tape_std_assign()
63 tape_ccw_cc(request->cpaddr, ASSIGN, 11, request->cpdata); in tape_std_assign()
64 tape_ccw_end(request->cpaddr + 1, NOP, 0, NULL); in tape_std_assign()
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H A Dtape_core.c292 __tape_cancel_io(struct tape_device *device, struct tape_request *request) in __tape_cancel_io() argument
298 if (request->callback == NULL) in __tape_cancel_io()
303 rc = ccw_device_clear(device->cdev, (long) request); in __tape_cancel_io()
307 request->status = TAPE_REQUEST_DONE; in __tape_cancel_io()
310 request->status = TAPE_REQUEST_CANCEL; in __tape_cancel_io()
434 * request. We may prevent this by returning an error.
592 struct tape_request * request; in __tape_discard_requests() local
596 request = list_entry(l, struct tape_request, list); in __tape_discard_requests()
597 if (request->status == TAPE_REQUEST_IN_IO) in __tape_discard_requests()
598 request->status = TAPE_REQUEST_DONE; in __tape_discard_requests()
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H A Dtape_34xx.c56 static void __tape_34xx_medium_sense(struct tape_request *request) in __tape_34xx_medium_sense() argument
58 struct tape_device *device = request->device; in __tape_34xx_medium_sense()
61 if (request->rc == 0) { in __tape_34xx_medium_sense()
62 sense = request->cpdata; in __tape_34xx_medium_sense()
81 request->rc); in __tape_34xx_medium_sense()
82 tape_free_request(request); in __tape_34xx_medium_sense()
87 struct tape_request *request; in tape_34xx_medium_sense() local
90 request = tape_alloc_request(1, 32); in tape_34xx_medium_sense()
91 if (IS_ERR(request)) { in tape_34xx_medium_sense()
93 return PTR_ERR(request); in tape_34xx_medium_sense()
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H A Dtape_3590.c204 struct tape_request *request; in tape_3592_kekl_query() local
213 request = tape_alloc_request(2, sizeof(*order)); in tape_3592_kekl_query()
214 if (IS_ERR(request)) { in tape_3592_kekl_query()
215 rc = PTR_ERR(request); in tape_3592_kekl_query()
218 order = request->cpdata; in tape_3592_kekl_query()
222 request->op = TO_KEKL_QUERY; in tape_3592_kekl_query()
223 tape_ccw_cc(request->cpaddr, PERF_SUBSYS_FUNC, sizeof(*order), order); in tape_3592_kekl_query()
224 tape_ccw_end(request->cpaddr + 1, READ_SS_DATA, sizeof(*int_kekls), in tape_3592_kekl_query()
226 rc = tape_do_io(device, request); in tape_3592_kekl_query()
233 tape_free_request(request); in tape_3592_kekl_query()
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/linux/drivers/greybus/
H A Dsvc.c176 struct gb_svc_pwrmon_sample_get_request request; in gb_svc_pwrmon_sample_get() local
180 request.rail_id = rail_id; in gb_svc_pwrmon_sample_get()
181 request.measurement_type = measurement_type; in gb_svc_pwrmon_sample_get()
184 &request, sizeof(request), in gb_svc_pwrmon_sample_get()
213 struct gb_svc_pwrmon_intf_sample_get_request request; in gb_svc_pwrmon_intf_sample_get() local
217 request.intf_id = intf_id; in gb_svc_pwrmon_intf_sample_get()
218 request.measurement_type = measurement_type; in gb_svc_pwrmon_intf_sample_get()
222 &request, sizeof(request), in gb_svc_pwrmon_intf_sample_get()
260 struct gb_svc_intf_device_id_request request; in gb_svc_intf_device_id() local
262 request.intf_id = intf_id; in gb_svc_intf_device_id()
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/linux/include/linux/surface_aggregator/
H A Dcontroller.h54 * Specifies that the request expects a response. If not set, the request
56 * transmitted. If set, the request transport system waits for a response
57 * of the request.
60 * Specifies that the request should be transmitted via an unsequenced
61 * packet. If set, the request must not have a response, meaning that this
70 * struct ssam_request - SAM request description.
71 * @target_category: Category of the request's target. See &enum ssam_ssh_tc.
72 * @target_id: ID of the request's target.
73 * @command_id: Command ID of the request.
74 * @instance_id: Instance ID of the request's target.
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/linux/include/media/
H A Dmedia-request.h3 * Media device request objects
23 * enum media_request_state - media request state
26 * @MEDIA_REQUEST_STATE_VALIDATING: Validating the request, no state changes
29 * @MEDIA_REQUEST_STATE_COMPLETE: Completed, the request is done
30 * @MEDIA_REQUEST_STATE_CLEANING: Cleaning, the request is being re-inited
31 * @MEDIA_REQUEST_STATE_UPDATING: The request is being updated, i.e.
32 * request objects are being added,
34 * @NR_OF_MEDIA_REQUEST_STATE: The number of media request states, used
50 * struct media_request - Media device request
51 * @mdev: Media device this request belongs to
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/linux/Documentation/userspace-api/media/mediactl/
H A Drequest-api.rst4 .. _media-request-api:
6 Request API
9 The Request API has been designed to allow V4L2 to deal with requirements of
19 Supporting these features without the Request API is not always possible and if
26 The Request API allows a specific configuration of the pipeline (media
31 of request completion are also available for reading.
36 The Request API extends the Media Controller API and cooperates with
37 subsystem-specific APIs to support request usage. At the Media Controller
39 node. Their life cycle is then managed through the request file descriptors in
42 request support, such as V4L2 APIs that take an explicit ``request_fd``
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H A Dmedia-request-ioc-queue.rst13 MEDIA_REQUEST_IOC_QUEUE - Queue a request
31 If the media device supports :ref:`requests <media-request-api>`, then
32 this request ioctl can be used to queue a previously allocated request.
34 If the request was successfully queued, then the file descriptor can be
35 :ref:`polled <request-func-poll>` to wait for the request to complete.
37 If the request was already queued before, then ``EBUSY`` is returned.
38 Other errors can be returned if the contents of the request contained
40 common error codes. On error both the request and driver state are unchanged.
42 Once a request is queued, then the driver is required to gracefully handle
43 errors that occur when the request is applied to the hardware. The
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/linux/sound/soc/intel/catpt/
H A Dmessages.c17 struct catpt_ipc_msg request = {{0}}, reply; in catpt_ipc_get_fw_version() local
20 request.header = msg.val; in catpt_ipc_get_fw_version()
24 ret = catpt_dsp_send_msg(cdev, request, &reply); in catpt_ipc_get_fw_version()
58 struct catpt_ipc_msg request, reply; in catpt_ipc_alloc_stream() local
91 request.header = msg.val; in catpt_ipc_alloc_stream()
92 request.size = size; in catpt_ipc_alloc_stream()
93 request.data = payload; in catpt_ipc_alloc_stream()
97 ret = catpt_dsp_send_msg(cdev, request, &reply); in catpt_ipc_alloc_stream()
109 struct catpt_ipc_msg request; in catpt_ipc_free_stream() local
112 request.header = msg.val; in catpt_ipc_free_stream()
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/linux/include/linux/
H A Dblk-mq.h24 typedef enum rq_end_io_ret (rq_end_io_fn)(struct request *, blk_status_t);
27 * request flags */
34 /* request for flush sequence */
42 /* use an I/O scheduler for this request */
50 /* runtime pm request */
59 /* request completion needs to be signaled to zone write plugging. */
102 struct request { struct
124 struct request *rq_next; argument
129 /* Time that the first bio started allocating this request. */ argument
132 /* Time that this request was allocated for this IO. */ argument
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/linux/fs/nfsd/
H A Dxdr4.h212 u32 ac_req_access; /* request */
218 u32 cl_seqid; /* request */
219 stateid_t cl_stateid; /* request+response */
223 u64 co_offset; /* request */
224 u32 co_count; /* request */
229 u32 cr_namelen; /* request */
230 char * cr_name; /* request */
231 u32 cr_type; /* request */
232 union { /* request */
243 u32 cr_bmval[3]; /* request */
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/linux/block/
H A Delevator.h33 bool (*allow_merge)(struct request_queue *, struct request *, struct bio *);
35 int (*request_merge)(struct request_queue *q, struct request **, struct bio *);
36 void (*request_merged)(struct request_queue *, struct request *, enum elv_merge);
37 void (*requests_merged)(struct request_queue *, struct request *, struct request *);
39 void (*prepare_request)(struct request *);
40 void (*finish_request)(struct request *);
43 struct request *(*dispatch_request)(struct blk_mq_hw_ctx *);
45 void (*completed_request)(struct request *, u64);
46 void (*requeue_request)(struct request *);
47 struct request *(*former_request)(struct request_queue *, struct request *);
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H A Dblk-crypto-internal.h31 bool bio_crypt_rq_ctx_compatible(struct request *rq, struct bio *bio);
36 static inline bool bio_crypt_ctx_back_mergeable(struct request *req, in bio_crypt_ctx_back_mergeable()
43 static inline bool bio_crypt_ctx_front_mergeable(struct request *req, in bio_crypt_ctx_front_mergeable()
50 static inline bool bio_crypt_ctx_merge_rq(struct request *req, in bio_crypt_ctx_merge_rq()
51 struct request *next) in bio_crypt_ctx_merge_rq()
57 static inline void blk_crypto_rq_set_defaults(struct request *rq) in blk_crypto_rq_set_defaults()
63 static inline bool blk_crypto_rq_is_encrypted(struct request *rq) in blk_crypto_rq_is_encrypted()
68 static inline bool blk_crypto_rq_has_keyslot(struct request *rq) in blk_crypto_rq_has_keyslot()
96 static inline bool bio_crypt_rq_ctx_compatible(struct request *rq, in bio_crypt_rq_ctx_compatible()
102 static inline bool bio_crypt_ctx_front_mergeable(struct request *req, in bio_crypt_ctx_front_mergeable()
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/linux/rust/kernel/block/mq/
H A Drequest.rs3 //! This module provides a wrapper for the C `struct request` type.
19 /// A wrapper around a blk-mq `struct request`. This represents an IO request.
23 /// There are four states for a request that the Rust bindings care about:
25 /// A) Request is owned by block layer (refcount 0)
26 /// B) Request is owned by driver but with zero `ARef`s in existence
28 /// C) Request is owned by driver with exactly one `ARef` in existence
30 /// D) Request is owned by driver with more than one `ARef` in existence
34 /// We need to track A and B to ensure we fail tag to request conversions for
37 /// We need to track C and D to ensure that it is safe to end the request and hand
42 /// `struct request`.
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/linux/tools/perf/pmu-events/arch/riscv/
H A Driscv-sbi-firmware.json51 "PublicDescription": "Sent FENCE.I request to other HART event",
54 "BriefDescription": "Sent FENCE.I request to other HART event"
57 "PublicDescription": "Received FENCE.I request from other HART event",
60 "BriefDescription": "Received FENCE.I request from other HART event"
63 "PublicDescription": "Sent SFENCE.VMA request to other HART event",
66 "BriefDescription": "Sent SFENCE.VMA request to other HART event"
69 "PublicDescription": "Received SFENCE.VMA request from other HART event",
72 "BriefDescription": "Received SFENCE.VMA request from other HART event"
75 "PublicDescription": "Sent SFENCE.VMA with ASID request to other HART event",
78 "BriefDescription": "Sent SFENCE.VMA with ASID request to other HART event"
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/linux/drivers/gpu/drm/i915/
H A Di915_request.h73 * I915_FENCE_FLAG_ACTIVE - this request is currently submitted to HW.
76 * by __i915_request_unsubmit() if we preempt this request.
78 * Finally cleared for consistency on retiring the request, when
79 * we know the HW is no longer running this request.
86 * I915_FENCE_FLAG_PQUEUE - this request is ready for execution
88 * Using the scheduler, when a request is ready for execution it is put
98 * I915_FENCE_FLAG_HOLD - this request is currently on hold
100 * This request has been suspended, pending an ongoing investigation.
105 * I915_FENCE_FLAG_INITIAL_BREADCRUMB - this request has the initial
112 * I915_FENCE_FLAG_SIGNAL - this request is currently on signal_list
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/linux/tools/perf/pmu-events/arch/x86/westmereep-dp/
H A Dmemory.json11 "BriefDescription": "REQUEST = ANY_DATA read and RESPONSE = ANY_DRAM AND REMOTE_FWD",
21 "BriefDescription": "REQUEST = ANY_DATA read and RESPONSE = ANY_LLC_MISS",
31 "BriefDescription": "REQUEST = ANY_DATA read and RESPONSE = OTHER_LOCAL_DRAM",
41 "BriefDescription": "REQUEST = ANY_DATA read and RESPONSE = REMOTE_DRAM",
51 "BriefDescription": "REQUEST = ANY IFETCH and RESPONSE = ANY_DRAM AND REMOTE_FWD",
61 "BriefDescription": "REQUEST = ANY IFETCH and RESPONSE = ANY_LLC_MISS",
71 "BriefDescription": "REQUEST = ANY IFETCH and RESPONSE = OTHER_LOCAL_DRAM",
81 "BriefDescription": "REQUEST = ANY IFETCH and RESPONSE = REMOTE_DRAM",
91 "BriefDescription": "REQUEST = ANY_REQUEST and RESPONSE = ANY_DRAM AND REMOTE_FWD",
101 "BriefDescription": "REQUEST = ANY_REQUEST and RESPONSE = ANY_LLC_MISS",
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/linux/net/ethtool/
H A Deeprom.c29 static int fallback_set_params(struct eeprom_req_info *request, in fallback_set_params() argument
33 u32 offset = request->offset; in fallback_set_params()
34 u32 length = request->length; in fallback_set_params()
36 if (request->page) in fallback_set_params()
37 offset = request->page * ETH_MODULE_EEPROM_PAGE_LEN + offset; in fallback_set_params()
40 request->i2c_address == 0x51) in fallback_set_params()
53 static int eeprom_fallback(struct eeprom_req_info *request, in eeprom_fallback() argument
67 err = fallback_set_params(request, &modinfo, &eeprom); in eeprom_fallback()
114 struct eeprom_req_info *request = MODULE_EEPROM_REQINFO(req_base); in eeprom_prepare_data() local
119 page_data.offset = request->offset; in eeprom_prepare_data()
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/linux/drivers/staging/greybus/
H A Dgpio.c69 struct gb_gpio_activate_request request; in gb_gpio_activate_operation() local
77 request.which = which; in gb_gpio_activate_operation()
79 &request, sizeof(request), NULL, 0); in gb_gpio_activate_operation()
95 struct gb_gpio_deactivate_request request; in gb_gpio_deactivate_operation() local
98 request.which = which; in gb_gpio_deactivate_operation()
100 &request, sizeof(request), NULL, 0); in gb_gpio_deactivate_operation()
116 struct gb_gpio_get_direction_request request; in gb_gpio_get_direction_operation() local
121 request.which = which; in gb_gpio_get_direction_operation()
123 &request, sizeof(request), in gb_gpio_get_direction_operation()
140 struct gb_gpio_direction_in_request request; in gb_gpio_direction_in_operation() local
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/linux/drivers/firewire/
H A Dcore-transaction.c97 * If the request packet has already been sent, we need to see in fw_cancel_transaction()
279 * __fw_send_request() - submit a request packet for transmission to generate callback for response
281 * @card: interface to send the request at
282 * @t: transaction instance to which the request belongs
285 * @generation: bus generation in which request and response are valid
288 * @payload: data payload for the request subaction
295 * Submit a request packet into the asynchronous request transmission queue.
303 * @generation. Otherwise the request is in danger to be sent to a wrong node.
314 * In case of request types without payload, @data is NULL and @length is 0.
321 * %RCODE_NO_ACK) denote transaction timeout, busy responder, stale request
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/linux/drivers/md/dm-vdo/indexer/
H A Dindex.c43 * request wants to add a chapter to the sparse cache, it sends a barrier message to each zone
89 struct uds_request *request; in launch_zone_message() local
91 result = vdo_allocate(1, struct uds_request, __func__, &request); in launch_zone_message()
95 request->index = index; in launch_zone_message()
96 request->unbatched = true; in launch_zone_message()
97 request->zone_number = zone; in launch_zone_message()
98 request->zone_message = message; in launch_zone_message()
100 uds_enqueue_request(request, STAGE_MESSAGE); in launch_zone_message()
120 * Determine whether this request should trigger a sparse cache barrier message to change the
124 static u64 triage_index_request(struct uds_index *index, struct uds_request *request) in triage_index_request() argument
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/linux/tools/testing/kunit/
H A Dkunit.py78 request: KunitConfigRequest) -> KunitResult:
82 success = linux.build_reconfig(request.build_dir, request.make_options)
88 request: KunitBuildRequest) -> KunitResult:
92 success = linux.build_kernel(request.jobs,
93 request.build_dir,
94 request.make_options)
100 request: KunitBuildRequest) -> KunitResult:
101 config_result = config_tests(linux, request)
105 return build_tests(linux, request)
107 def _list_tests(linux: kunit_kernel.LinuxSourceTree, request: KunitExecRequest) -> List[str]:
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/linux/drivers/media/usb/as102/
H A Das10x_cmd.h26 /* context request types */
83 /* request */
85 /* request identifier */
98 /* request */
100 /* request identifier */
113 /* request */
115 /* request identifier */
130 /* request */
132 /* request identifier */
147 /* request */
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/linux/sound/soc/intel/avs/
H A Dmessages.c18 struct avs_ipc_msg request = {{0}}; in avs_ipc_set_boot_config() local
23 request.header = msg.val; in avs_ipc_set_boot_config()
25 return avs_dsp_send_rom_msg(adev, &request, "set boot config"); in avs_ipc_set_boot_config()
31 struct avs_ipc_msg request; in avs_ipc_load_modules() local
34 request.header = msg.val; in avs_ipc_load_modules()
35 request.data = mod_ids; in avs_ipc_load_modules()
36 request.size = sizeof(*mod_ids) * num_mod_ids; in avs_ipc_load_modules()
38 return avs_dsp_send_msg_timeout(adev, &request, NULL, AVS_CL_TIMEOUT_MS, in avs_ipc_load_modules()
45 struct avs_ipc_msg request; in avs_ipc_unload_modules() local
48 request.header = msg.val; in avs_ipc_unload_modules()
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