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Searched refs:ring_buffer (Results 1 – 15 of 15) sorted by relevance

/linux/drivers/hv/
H A Dring_buffer.c57 if (READ_ONCE(rbi->ring_buffer->interrupt_mask)) in hv_signal_on_write()
66 if (old_write == READ_ONCE(rbi->ring_buffer->read_index)) { in hv_signal_on_write()
76 u32 next = ring_info->ring_buffer->write_index; in hv_get_next_write_location()
86 ring_info->ring_buffer->write_index = next_write_location; in hv_set_next_write_location()
100 return (u64)ring_info->ring_buffer->write_index << 32; in hv_get_ring_bufferindices()
113 void *ring_buffer = hv_get_ring_buffer(ring_info); in hv_copyto_ringbuffer() local
116 memcpy(ring_buffer + start_write_offset, src, srclen); in hv_copyto_ringbuffer()
139 read_loc = READ_ONCE(rbi->ring_buffer->read_index); in hv_get_ringbuffer_availbytes()
140 write_loc = READ_ONCE(rbi->ring_buffer->write_index); in hv_get_ringbuffer_availbytes()
157 if (!ring_info->ring_buffer) { in hv_ringbuffer_get_debuginfo()
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H A Dvmbus_drv.c1548 if (!rbi->ring_buffer) { in out_mask_show()
1553 ret = sprintf(buf, "%u\n", rbi->ring_buffer->interrupt_mask); in out_mask_show()
1565 if (!rbi->ring_buffer) { in in_mask_show()
1570 ret = sprintf(buf, "%u\n", rbi->ring_buffer->interrupt_mask); in in_mask_show()
1582 if (!rbi->ring_buffer) { in read_avail_show()
1599 if (!rbi->ring_buffer) { in write_avail_show()
/linux/tools/lib/bpf/
H A Dlibbpf.h1312 struct ring_buffer;
1324 LIBBPF_API struct ring_buffer *
1327 LIBBPF_API void ring_buffer__free(struct ring_buffer *rb);
1328 LIBBPF_API int ring_buffer__add(struct ring_buffer *rb, int map_fd,
1330 LIBBPF_API int ring_buffer__poll(struct ring_buffer *rb, int timeout_ms);
1331 LIBBPF_API int ring_buffer__consume(struct ring_buffer *rb);
1332 LIBBPF_API int ring_buffer__consume_n(struct ring_buffer *rb, size_t n);
1333 LIBBPF_API int ring_buffer__epoll_fd(const struct ring_buffer *rb);
1346 LIBBPF_API struct ring *ring_buffer__ring(struct ring_buffer *rb,
/linux/include/linux/
H A Dhyperv.h192 struct hv_ring_buffer *ring_buffer; member
216 read_loc = rbi->ring_buffer->read_index; in hv_get_bytes_to_read()
217 write_loc = READ_ONCE(rbi->ring_buffer->write_index); in hv_get_bytes_to_read()
230 read_loc = READ_ONCE(rbi->ring_buffer->read_index); in hv_get_bytes_to_write()
231 write_loc = rbi->ring_buffer->write_index; in hv_get_bytes_to_write()
1134 c->outbound.ring_buffer->pending_send_sz = size; in set_channel_pending_send_size()
1669 return ring_info->ring_buffer->buffer; in hv_get_ring_buffer()
1677 rbi->ring_buffer->interrupt_mask = 1; in hv_begin_read()
1689 rbi->ring_buffer->interrupt_mask = 0; in hv_end_read()
/linux/drivers/usb/misc/
H A Dldusb.c159 char *ring_buffer; member
209 kfree(dev->ring_buffer); in ld_usb_delete()
245 …actual_buffer = (size_t *)(dev->ring_buffer + dev->ring_head * (sizeof(size_t)+dev->interrupt_in_e… in ld_usb_interrupt_in_callback()
482 …actual_buffer = (size_t *)(dev->ring_buffer + dev->ring_tail * (sizeof(size_t)+dev->interrupt_in_e… in ld_usb_read()
697 dev->ring_buffer = kcalloc(ring_buffer_size, in ld_usb_probe()
700 if (!dev->ring_buffer) in ld_usb_probe()
/linux/kernel/events/
H A DMakefile2 obj-y := core.o ring_buffer.o callchain.o
/linux/tools/testing/selftests/bpf/prog_tests/
H A Duser_ringbuf.c143 struct ring_buffer **kern_ringbuf_out, in load_skel_create_ringbufs()
148 struct ring_buffer *kern_ringbuf = NULL; in load_skel_create_ringbufs()
523 static void drain_kernel_messages_buffer(struct ring_buffer *kern_ringbuf, in drain_kernel_messages_buffer()
537 struct ring_buffer *kern_ringbuf; in test_user_ringbuf_msg_protocol()
H A Dringbuf_multi.c44 struct ring_buffer *ringbuf = NULL; in test_ringbuf_multi()
H A Dtest_ima.c68 struct ring_buffer *ringbuf = NULL; in test_test_ima()
H A Dunpriv_bpf_disabled.c64 struct ring_buffer *ringbuf = NULL; in test_unpriv_bpf_disabled_positive()
H A Dringbuf.c14 #include <linux/ring_buffer.h>
67 static struct ring_buffer *ringbuf; in trigger_samples()
/linux/kernel/trace/
H A DMakefile46 obj-$(CONFIG_RING_BUFFER) += ring_buffer.o
/linux/tools/testing/selftests/bpf/benchs/
H A Dbench_ringbufs.c124 struct ring_buffer *ringbuf;
/linux/tools/memory-model/Documentation/
H A Drecipes.txt330 perf_output_put_handle() in kernel/events/ring_buffer.c:
383 perf_output_put_handle() in kernel/events/ring_buffer.c, showing a
/linux/Documentation/userspace-api/
H A Dperf_ring_buffer.rst549 The comments in tools/include/linux/ring_buffer.h gives nice description