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Searched refs:reader (Results 1 – 25 of 136) sorted by relevance

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/linux/sound/soc/sti/
H A Duniperif_reader.c46 struct uniperif *reader = dev_id; in uni_reader_irq_handler() local
49 spin_lock(&reader->irq_lock); in uni_reader_irq_handler()
50 if (!reader->substream) in uni_reader_irq_handler()
53 snd_pcm_stream_lock(reader->substream); in uni_reader_irq_handler()
54 if (reader->state == UNIPERIF_STATE_STOPPED) { in uni_reader_irq_handler()
56 dev_warn(reader->dev, "unexpected IRQ\n"); in uni_reader_irq_handler()
61 status = GET_UNIPERIF_ITS(reader); in uni_reader_irq_handler()
62 SET_UNIPERIF_ITS_BCLR(reader, status); in uni_reader_irq_handler()
65 if (unlikely(status & UNIPERIF_ITS_FIFO_ERROR_MASK(reader))) { in uni_reader_irq_handler()
66 dev_err(reader->dev, "FIFO error detected\n"); in uni_reader_irq_handler()
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/linux/drivers/misc/ibmasm/
H A Devent.c28 struct event_reader *reader; in wake_up_event_readers() local
30 list_for_each_entry(reader, &sp->event_buffer->readers, node) in wake_up_event_readers()
31 wake_up_interruptible(&reader->wait); in wake_up_event_readers()
77 int ibmasm_get_next_event(struct service_processor *sp, struct event_reader *reader) in ibmasm_get_next_event() argument
84 reader->cancelled = 0; in ibmasm_get_next_event()
86 if (wait_event_interruptible(reader->wait, in ibmasm_get_next_event()
87 event_available(buffer, reader) || reader->cancelled)) in ibmasm_get_next_event()
90 if (!event_available(buffer, reader)) in ibmasm_get_next_event()
97 while (event->serial_number < reader->next_serial_number) { in ibmasm_get_next_event()
101 memcpy(reader->data, event->data, event->data_size); in ibmasm_get_next_event()
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H A Dremote.h93 #define set_queue_reader(sp, reader) writel(reader, mouse_addr(sp) + CONDOR_MOUSE_Q_READER) argument
100 static inline int advance_queue_reader(struct service_processor *sp, unsigned long reader) in advance_queue_reader() argument
102 reader++; in advance_queue_reader()
103 if (reader == REMOTE_QUEUE_SIZE) in advance_queue_reader()
104 reader = 0; in advance_queue_reader()
106 set_queue_reader(sp, reader); in advance_queue_reader()
107 return reader; in advance_queue_reader()
H A Dibmasmfs.c220 struct event_reader reader; member
351 ibmasm_event_reader_register(sp, &event_data->reader); in event_file_open()
363 ibmasm_event_reader_unregister(event_data->sp, &event_data->reader); in event_file_close()
371 struct event_reader *reader = &event_data->reader; in event_file_read() local
391 ret = ibmasm_get_next_event(sp, reader); in event_file_read()
395 if (count < reader->data_size) { in event_file_read()
400 if (copy_to_user(buf, reader->data, reader->data_size)) { in event_file_read()
404 ret = reader->data_size; in event_file_read()
422 ibmasm_cancel_next_event(&event_data->reader); in event_file_write()
H A Dibmasm.h166 void ibmasm_event_reader_register(struct service_processor *sp, struct event_reader *reader);
167 void ibmasm_event_reader_unregister(struct service_processor *sp, struct event_reader *reader);
168 int ibmasm_get_next_event(struct service_processor *sp, struct event_reader *reader);
169 void ibmasm_cancel_next_event(struct event_reader *reader);
/linux/rust/kernel/debugfs/
H A Dtraits.rs177 fn read_from_slice(&self, reader: &mut UserSliceReader) -> Result;
181 fn read_from_slice(&self, reader: &mut UserSliceReader) -> Result { in read_from_slice()
183 if reader.len() > buf.len() { in read_from_slice()
186 let n = reader.len(); in read_from_slice()
187 reader.read_slice(&mut buf[..n])?; in read_from_slice()
200 fn read_from_slice(&self, reader: &mut UserSliceReader) -> Result {
202 if reader.len() > buf.len() {
205 let n = reader.len(); in read_from_slice_mut()
206 reader.read_slice(&mut buf[..n])?; in read_from_slice_mut()
219 /// Reads the binary form of `self` from `reader` in read_from_slice_mut()
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H A Dfile_ops.rs149 let mut reader = UserSlice::new(UserPtr::from_ptr(buf as *mut c_void), count).reader();
151 if let Err(e) = data.read_from_slice(&mut reader) {
326 let mut reader = UserSlice::new(UserPtr::from_ptr(buf.cast_mut().cast()), count).reader(); in blob_write()
329 let read = this.read_from_slice(&mut reader, pos)?; in blob_write()
141 let mut reader = UserSlice::new(UserPtr::from_ptr(buf as *mut c_void), count).reader(); read() localVariable
321 let mut reader = UserSlice::new(UserPtr::from_ptr(buf.cast_mut().cast()), count).reader(); blob_write() localVariable
/linux/drivers/hid/
H A Dhid-roccat.c76 struct roccat_reader *reader = file->private_data; in roccat_read() local
77 struct roccat_device *device = reader->device; in roccat_read()
85 if (reader->cbuf_start == device->cbuf_end) { in roccat_read()
90 while (reader->cbuf_start == device->cbuf_end) { in roccat_read()
118 report = &device->cbuf[reader->cbuf_start]; in roccat_read()
130 reader->cbuf_start = (reader->cbuf_start + 1) % ROCCAT_CBUF_SIZE; in roccat_read()
139 struct roccat_reader *reader = file->private_data; in roccat_poll() local
140 poll_wait(file, &reader->device->wait, wait); in roccat_poll()
141 if (reader->cbuf_start != reader->device->cbuf_end) in roccat_poll()
143 if (!reader->device->exist) in roccat_poll()
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/linux/Documentation/trace/
H A Dring-buffer-design.rst34 - the task that reads from the buffer (same as reader)
36 reader
41 by the reader.
44 - a pointer to the page that the reader will use next
98 same time, nor can a reader preempt/interrupt another reader. A reader
100 buffer at the same time as a writer is writing, but the reader must be
101 on another processor to do so. A reader may read on its own processor
104 A writer can preempt a reader, but a reader cannot preempt a writer.
105 But a reader can read the buffer at the same time (on another processor)
110 At initialization a reader page is allocated for the reader that is not
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H A Dring-buffer-map.rst21 fields of the meta-page is the reader. It contains the sub-buffer ID which can
25 therefore effortless to know where the reader starts in the mapping:
29 reader_id = meta->reader->id;
32 When the application is done with the current reader, it can get a new one using
70 void *map, *reader, *data;
96 reader_id = meta->reader.id;
97 reader = data + meta->subbuf_size * reader_id;
99 printf("Current reader address: %p\n", reader);
/linux/tools/testing/selftests/bpf/
H A Dtest_bpftool_synctypes.py28 def __init__(self, reader): argument
29 self.reader = reader
36 offset = self.reader.tell()
37 array_start = re.search(start_marker, self.reader.read())
40 self.reader.seek(offset + array_start.start())
51 line = self.reader.readline()
67 def __init__(self, reader, array_name): argument
70 super().__init__(reader)
86 line = self.reader.readline()
107 line = self.reader.readline()
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/linux/drivers/gpu/drm/lima/
H A Dlima_drv.c290 static bool lima_read_block(struct lima_block_reader *reader, in lima_read_block() argument
293 size_t max_off = reader->base + src_size; in lima_read_block()
295 if (reader->off < max_off) { in lima_read_block()
296 size_t size = min_t(size_t, max_off - reader->off, in lima_read_block()
297 reader->count); in lima_read_block()
299 memcpy(reader->dst, src + (reader->off - reader->base), size); in lima_read_block()
301 reader->dst += size; in lima_read_block()
302 reader->off += size; in lima_read_block()
303 reader->read += size; in lima_read_block()
304 reader->count -= size; in lima_read_block()
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/linux/drivers/misc/cardreader/
H A DKconfig3 tristate "Alcor Micro/Alcor Link PCI-E card reader"
7 This supports for Alcor Micro PCI-Express card reader including au6601,
14 tristate "Realtek PCI-E card reader"
18 This supports for Realtek PCI-Express card reader including rts5209,
26 tristate "Realtek USB card reader"
32 Realtek card reader supports access to many types of memory cards,
/linux/tools/lib/python/
H A Djobserver.py16 claim = os.read(reader, 1)
59 self.reader = None
94 self.reader = os.open(path, os.O_RDONLY | os.O_NONBLOCK)
108 self.reader = int(split_fds[0])
115 # Open a private copy of reader to avoid setting nonblocking
116 # on an unexpecting process with the same reader fd.
118 self.reader = os.open(f"/proc/self/fd/{self.reader}",
129 slot = os.read(self.reader, 8)
/linux/samples/rust/
H A Drust_debugfs_scoped.rs34 reader: &mut kernel::uaccess::UserSliceReader, in remove_file_write()
37 if reader.len() >= buf.len() { in remove_file_write()
40 let n = reader.len(); in remove_file_write()
41 reader.read_slice(&mut buf[..n])?; in remove_file_write()
56 reader: &mut kernel::uaccess::UserSliceReader, in create_file_write()
59 if reader.len() > buf.len() { in create_file_write()
62 let n = reader.len(); in create_file_write()
63 reader.read_slice(&mut buf[..n])?; in create_file_write()
/linux/scripts/
H A Dbpf_doc.py25 def __init__(self, line='<line not provided>', reader=None): argument
26 if reader:
29 (reader.tell(), line))
113 self.reader = open(filename, 'r')
146 self.line = self.reader.readline()
161 self.line = self.reader.readline()
174 self.line = self.reader.readline()
200 self.line = self.reader.readline()
222 self.line = self.reader.readline()
231 self.line = self.reader.readline()
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/linux/drivers/memstick/host/
H A DKconfig14 the Texas Instruments(R) Flash Media card reader, found in many
17 probably also need appropriate card reader host adapter, such as
30 the JMicron(R) JMB38X MemoryStick card reader.
41 the Ricoh R5C592 MemoryStick card reader (which is part of 5 in one
42 multifunction reader)
52 of Realtek RTS5129/39 series USB card reader
/linux/drivers/android/binder/
H A Dthread.rs887 let mut reader = in apply_sg()
888 UserSlice::new(UserPtr::from_addr(sg_entry.sender_uaddr), sg_entry.length).reader(); in apply_sg()
914 if let Err(err) = alloc.copy_into(&mut reader, copy_off, copy_len) { in apply_sg()
925 if let Err(err) = reader.skip(fixup_len) {
926 pr_warn!("Failed skipping {} from reader: {:?}", fixup_len, err); in copy_transaction_data()
933 if let Err(err) = alloc.copy_into(&mut reader, copy_off, copy_len) { in copy_transaction_data()
1013 UserSlice::new(UserPtr::from_addr(trd_data_ptr.buffer as _), data_size).reader(); in copy_transaction_data()
1020 let mut reader = in copy_transaction_data()
1022 .reader(); in copy_transaction_data()
1023 alloc.copy_into(&mut reader, aligned_data_siz in copy_transaction_data()
871 let mut reader = apply_sg() localVariable
995 let mut reader = copy_transaction_data() localVariable
1291 let mut reader = write() localVariable
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H A Dprocess.rs983 pub(crate) fn inc_ref_done(&self, reader: &mut UserSliceReader, strong: bool) -> Result { in inc_ref_done()
984 let ptr = reader.read::<u64>()?; in inc_ref_done()
985 let cookie = reader.read::<u64>()?; in inc_ref_done()
1149 let (mut reader, mut writer) = data.reader_writer(); in get_node_debug_info()
1152 let ptr = reader.read::<BinderNodeDebugInfo>()?.ptr; in get_node_debug_info()
1169 let (mut reader, mut writer) = data.reader_writer(); in get_node_info_from_ref()
1170 let mut out = reader.read::<BinderNodeInfoForRef>()?; in get_node_info_from_ref()
1211 reader: &mut UserSliceReader, in request_death()
1214 let handle: u32 = reader.read()?; in request_death()
1215 let cookie: u64 = reader.read()?; in request_death()
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/linux/drivers/net/ethernet/sfc/
H A Def100_nic.c861 const struct ef100_tlv_state *reader) in ef100_process_design_param() argument
865 switch (reader->type) { in ef100_process_design_param()
885 nic_data->tso_max_hdr_len = min_t(u64, reader->value, 0xffff); in ef100_process_design_param()
889 if (!reader->value) { in ef100_process_design_param()
901 if (!reader->value || reader->value > EFX_MIN_DMAQ_SIZE || in ef100_process_design_param()
902 EFX_MIN_DMAQ_SIZE % (u32)reader->value) { in ef100_process_design_param()
905 reader->type == ESE_EF100_DP_GZ_RXQ_SIZE_GRANULARITY ? "RXQ" : "TXQ", in ef100_process_design_param()
906 reader->value); in ef100_process_design_param()
911 nic_data->tso_max_payload_len = min_t(u64, reader->value, in ef100_process_design_param()
915 nic_data->tso_max_payload_num_segs = min_t(u64, reader->value, 0xffff); in ef100_process_design_param()
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/linux/tools/testing/radix-tree/
H A Dregression4.c60 pthread_t reader, writer; in regression4_test() local
67 if (pthread_create(&reader, NULL, reader_fn, NULL) || in regression4_test()
73 if (pthread_join(reader, NULL) || pthread_join(writer, NULL)) { in regression4_test()
/linux/drivers/md/dm-vdo/indexer/
H A Dio-factory.h45 void uds_free_buffered_reader(struct buffered_reader *reader);
47 int __must_check uds_read_from_buffered_reader(struct buffered_reader *reader, u8 *data,
50 int __must_check uds_verify_buffered_data(struct buffered_reader *reader, const u8 *value,
H A Dopen-chapter.c356 static int load_version20(struct uds_index *index, struct buffered_reader *reader) in load_version20() argument
372 result = uds_read_from_buffered_reader(reader, (u8 *) &record_count_data, in load_version20()
381 result = uds_read_from_buffered_reader(reader, (u8 *) &record, in load_version20()
405 int uds_load_open_chapter(struct uds_index *index, struct buffered_reader *reader) in uds_load_open_chapter() argument
410 result = uds_verify_buffered_data(reader, OPEN_CHAPTER_MAGIC, in uds_load_open_chapter()
415 result = uds_read_from_buffered_reader(reader, version, sizeof(version)); in uds_load_open_chapter()
425 return load_version20(index, reader); in uds_load_open_chapter()
H A Dindex-layout.c1111 static int __must_check load_region_table(struct buffered_reader *reader, in load_region_table() argument
1121 result = uds_read_from_buffered_reader(reader, buffer, sizeof(buffer)); in load_region_table()
1152 result = uds_read_from_buffered_reader(reader, region_buffer, in load_region_table()
1171 static int __must_check read_super_block_data(struct buffered_reader *reader, in read_super_block_data() argument
1184 result = uds_read_from_buffered_reader(reader, buffer, saved_size); in read_super_block_data()
1354 u64 first_block, struct buffered_reader *reader) in load_super_block() argument
1360 result = load_region_table(reader, &table); in load_super_block()
1370 result = read_super_block_data(reader, layout, table->header.payload); in load_super_block()
1389 static int __must_check read_index_save_data(struct buffered_reader *reader, in read_index_save_data() argument
1404 result = uds_read_from_buffered_reader(reader, buffer, sizeof(buffer)); in read_index_save_data()
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/linux/kernel/trace/
H A Dring_buffer.c92 * associated with the CPU it is currently executing on. A reader may read
95 * The reader is special. For each per cpu buffer, the reader has its own
96 * reader page. When a reader has read the entire reader page, this reader
99 * Now, as long as the writer is off the reader page, the reader can do what
106 * |reader| RIN
3303 rb_update_meta_reader(struct ring_buffer_per_cpu * cpu_buffer,struct buffer_page * reader) rb_update_meta_reader() argument
5306 struct buffer_page *reader; ring_buffer_iter_empty() local
5410 struct buffer_page *reader = NULL; rb_get_reader_page() local
5581 struct buffer_page *reader; rb_advance_reader() local
5641 struct buffer_page *reader; rb_buffer_peek() local
6607 struct buffer_page *reader; ring_buffer_read_page() local
7330 struct buffer_page *reader; ring_buffer_map_get_reader() local
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