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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/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.h25 typedef enum rq_end_io_ret (rq_end_io_fn)(struct request *, blk_status_t);
28 * request flags */
35 /* request for flush sequence */
43 /* use an I/O scheduler for this request */
51 /* runtime pm request */
60 /* request completion needs to be signaled to zone write plugging. */
103 struct request { struct
125 struct request *rq_next; argument
130 /* Time that the first bio started allocating this request. */ argument
133 /* 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/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/usb/musb/
H A Dmusb_gadget.c33 static inline void map_dma_buffer(struct musb_request *request, in map_dma_buffer() argument
39 request->map_state = UN_MAPPED; in map_dma_buffer()
44 /* Check if DMA engine can handle this request. in map_dma_buffer()
45 * DMA code must reject the USB request explicitly. in map_dma_buffer()
46 * Default behaviour is to map the request. in map_dma_buffer()
50 musb_ep->packet_sz, request->request.buf, in map_dma_buffer()
51 request->request.length); in map_dma_buffer()
55 if (request->request.dma == DMA_ADDR_INVALID) { in map_dma_buffer()
61 request->request.buf, in map_dma_buffer()
62 request->request.length, in map_dma_buffer()
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/linux/drivers/staging/greybus/
H A Dgpio.c64 struct gb_gpio_activate_request request; in gb_gpio_activate_operation() local
72 request.which = which; in gb_gpio_activate_operation()
74 &request, sizeof(request), NULL, 0); in gb_gpio_activate_operation()
90 struct gb_gpio_deactivate_request request; in gb_gpio_deactivate_operation() local
93 request.which = which; in gb_gpio_deactivate_operation()
95 &request, sizeof(request), NULL, 0); in gb_gpio_deactivate_operation()
111 struct gb_gpio_get_direction_request request; in gb_gpio_get_direction_operation() local
116 request.which = which; in gb_gpio_get_direction_operation()
118 &request, sizeof(request), in gb_gpio_get_direction_operation()
135 struct gb_gpio_direction_in_request request; in gb_gpio_direction_in_operation() local
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H A Dfw-management.c138 struct gb_fw_mgmt_load_and_validate_fw_request request; in fw_mgmt_load_and_validate_operation() local
148 request.load_method = load_method; in fw_mgmt_load_and_validate_operation()
150 ret = strscpy_pad(request.firmware_tag, tag); in fw_mgmt_load_and_validate_operation()
154 request.firmware_tag); in fw_mgmt_load_and_validate_operation()
161 dev_err(fw_mgmt->parent, "failed to allocate request id (%d)\n", in fw_mgmt_load_and_validate_operation()
168 request.request_id = ret; in fw_mgmt_load_and_validate_operation()
171 GB_FW_MGMT_TYPE_LOAD_AND_VALIDATE_FW, &request, in fw_mgmt_load_and_validate_operation()
172 sizeof(request), NULL, 0); in fw_mgmt_load_and_validate_operation()
177 "load and validate firmware request failed (%d)\n", in fw_mgmt_load_and_validate_operation()
189 struct gb_fw_mgmt_loaded_fw_request *request; in fw_mgmt_interface_fw_loaded_operation() local
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H A Dpwm.c38 * The request returns the highest allowed PWM id parameter. So add one in gb_pwm_get_npwm()
47 struct gb_pwm_activate_request request; in gb_pwm_activate_operation() local
51 request.which = which; in gb_pwm_activate_operation()
59 &request, sizeof(request), NULL, 0); in gb_pwm_activate_operation()
69 struct gb_pwm_deactivate_request request; in gb_pwm_deactivate_operation() local
73 request.which = which; in gb_pwm_deactivate_operation()
81 &request, sizeof(request), NULL, 0); in gb_pwm_deactivate_operation()
92 struct gb_pwm_config_request request; in gb_pwm_config_operation() local
96 request.which = which; in gb_pwm_config_operation()
97 request.duty = cpu_to_le32(duty); in gb_pwm_config_operation()
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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/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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H A Dcache.json275 "BriefDescription": "L2 lines evicted by a demand request",
283 "BriefDescription": "L2 modified lines evicted by a demand request",
291 "BriefDescription": "L2 lines evicted by a prefetch request",
299 "BriefDescription": "L2 modified lines evicted by a prefetch request",
955 … "BriefDescription": "REQUEST = ANY_DATA read and RESPONSE = ALL_LOCAL_DRAM AND REMOTE_CACHE_HIT",
965 "BriefDescription": "REQUEST = ANY_DATA read and RESPONSE = ANY_CACHE_DRAM",
975 "BriefDescription": "REQUEST = ANY_DATA read and RESPONSE = ANY_LOCATION",
985 "BriefDescription": "REQUEST = ANY_DATA read and RESPONSE = IO_CSR_MMIO",
995 "BriefDescription": "REQUEST = ANY_DATA read and RESPONSE = LLC_HIT_NO_OTHER_CORE",
1005 "BriefDescription": "REQUEST = ANY_DATA read and RESPONSE = LLC_HIT_OTHER_CORE_HIT",
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/linux/block/
H A Dblk-crypto-internal.h32 bool bio_crypt_rq_ctx_compatible(struct request *rq, struct bio *bio);
37 static inline bool bio_crypt_ctx_back_mergeable(struct request *req, in bio_crypt_ctx_back_mergeable()
44 static inline bool bio_crypt_ctx_front_mergeable(struct request *req, in bio_crypt_ctx_front_mergeable()
51 static inline bool bio_crypt_ctx_merge_rq(struct request *req, in bio_crypt_ctx_merge_rq()
52 struct request *next) in bio_crypt_ctx_merge_rq()
58 static inline void blk_crypto_rq_set_defaults(struct request *rq) in blk_crypto_rq_set_defaults()
64 static inline bool blk_crypto_rq_is_encrypted(struct request *rq) in blk_crypto_rq_is_encrypted()
69 static inline bool blk_crypto_rq_has_keyslot(struct request *rq) in blk_crypto_rq_has_keyslot()
100 static inline bool bio_crypt_rq_ctx_compatible(struct request *rq, in bio_crypt_rq_ctx_compatible()
106 static inline bool bio_crypt_ctx_front_mergeable(struct request *req, in bio_crypt_ctx_front_mergeable()
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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/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/drivers/scsi/fnic/
H A Dfcpio.h29 * Initiator request types
38 * Target request types
52 * Misc request types
72 FCPIO_SUCCESS = 0, /* request was successful */
75 * If a request to the firmware is rejected, the original request
79 FCPIO_OUT_OF_RESOURCE, /* out of resources to complete request */
80 FCPIO_INVALID_PARAM, /* some parameter in request is invalid */
81 FCPIO_REQ_NOT_SUPPORTED, /* request type is not supported */
85 * Once a request is processed, the firmware will usually return
89 FCPIO_ABORTED = 0x41, /* request was aborted */
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/linux/tools/perf/pmu-events/arch/x86/broadwell/
H A Duncore-cache.json3 … "BriefDescription": "L3 Lookup any request that access cache and found line in E or S-state",
8 … "PublicDescription": "L3 Lookup any request that access cache and found line in E or S-state.",
13 "BriefDescription": "L3 Lookup any request that access cache and found line in I-state",
18 "PublicDescription": "L3 Lookup any request that access cache and found line in I-state.",
23 "BriefDescription": "L3 Lookup any request that access cache and found line in M-state",
28 "PublicDescription": "L3 Lookup any request that access cache and found line in M-state.",
33 "BriefDescription": "L3 Lookup any request that access cache and found line in MESI-state",
38 … "PublicDescription": "L3 Lookup any request that access cache and found line in MESI-state.",
43 … "BriefDescription": "L3 Lookup read request that access cache and found line in E or S-state",
48 … "PublicDescription": "L3 Lookup read request that access cache and found line in E or S-state.",
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/linux/Documentation/driver-api/surface_aggregator/
H A Dinternal.rst70 Above this sits the *request transport layer (RTL)*. This layer is centered
73 It, specifically, distinguishes events from request responses, matches
74 responses to their corresponding requests, and implements request timeouts.
77 how request responses and, especially, events are dealt with. It provides an
79 workqueue for event and asynchronous request completion, and also manages
217 the request transport layer.
267 somewhat special. It is either set when the upper layer request is submitted
288 Request Transport Layer
291 The request transport layer is represented via |ssh_rtl| and builds on top
297 the corresponding callback. The request transport layer is structured around
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/linux/drivers/net/ethernet/broadcom/bnxt/
H A Dbnxt_hwrm.c34 * __hwrm_req_init() - Initialize an HWRM request.
36 * @req: A pointer to the request pointer to initialize.
37 * @req_type: The request type. This will be converted to the little endian
38 * before being written to the req_type field of the returned request.
39 * @req_len: The length of the request to be allocated.
41 * Allocate DMA resources and initialize a new HWRM request object of the
42 * given type. The response address field in the request is configured with
44 * request is pointed to kernel virtual memory mapped for the request (such
46 * request’s target and completion ring are initialized to default values and
47 * can be overridden by writing to the returned request object directly.
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/linux/tools/perf/pmu-events/arch/x86/skylake/
H A Duncore-cache.json3 … "BriefDescription": "L3 Lookup any request that access cache and found line in E or S-state",
8 … "PublicDescription": "L3 Lookup any request that access cache and found line in E or S-state.",
13 "BriefDescription": "L3 Lookup any request that access cache and found line in I-state",
18 "PublicDescription": "L3 Lookup any request that access cache and found line in I-state.",
23 "BriefDescription": "L3 Lookup any request that access cache and found line in M-state",
28 "PublicDescription": "L3 Lookup any request that access cache and found line in M-state.",
33 "BriefDescription": "L3 Lookup any request that access cache and found line in MESI-state",
38 … "PublicDescription": "L3 Lookup any request that access cache and found line in MESI-state.",
43 … "BriefDescription": "L3 Lookup read request that access cache and found line in E or S-state",
48 … "PublicDescription": "L3 Lookup read request that access cache and found line in E or S-state.",
[all …]
/linux/include/trace/events/
H A Dblock.h76 * block_rq_requeue - place block IO request back on a queue
77 * @rq: block IO operation request
79 * The block operation request @rq is being placed back into queue
80 * @q. For some reason the request was not completed and needs to be
85 TP_PROTO(struct request *rq),
120 TP_PROTO(struct request *rq, blk_status_t error, unsigned int nr_bytes),
157 * @rq: block operations request
162 * of operation request has been completed by the device driver. If
164 * do for the request. If @rq->bio is non-NULL then there is
165 * additional work required to complete the request.
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/linux/drivers/platform/chrome/wilco_ec/
H A Dkeyboard_leds.c54 /* Send a request, get a response, and check that the response is good. */
56 struct wilco_keyboard_leds_msg *request, in send_kbbl_msg() argument
64 msg.request_data = request; in send_kbbl_msg()
65 msg.request_size = sizeof(*request); in send_kbbl_msg()
81 struct wilco_keyboard_leds_msg request; in set_kbbl() local
85 memset(&request, 0, sizeof(request)); in set_kbbl()
86 request.command = WILCO_EC_COMMAND_KBBL; in set_kbbl()
87 request.subcmd = WILCO_KBBL_SUBCMD_SET_STATE; in set_kbbl()
88 request.mode = WILCO_KBBL_MODE_FLAG_PWM; in set_kbbl()
89 request.percent = brightness; in set_kbbl()
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/linux/tools/perf/pmu-events/arch/x86/knightslanding/
H A Dcache.json135 … accounts for responses from snoop request hit with data forwarded from it Far(not in the same qua…
145 …counts for responses from a snoop request hit with data forwarded from its Far(not in the same qua…
155 …counts for responses from a snoop request hit with data forwarded from its Far(not in the same qua…
165 … and prefetch code read requests that accounts for responses from snoop request hit with data for…
175 …nd prefetch code read requests that accounts for responses from a snoop request hit with data for…
185 …nd prefetch code read requests that accounts for responses from a snoop request hit with data for…
235 …requests that are outstanding, per weighted cycle, from the time of the request to when any respo…
255 … accounts for responses from snoop request hit with data forwarded from it Far(not in the same qua…
265 …counts for responses from a snoop request hit with data forwarded from its Far(not in the same qua…
275 …counts for responses from a snoop request hit with data forwarded from its Far(not in the same qua…
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