| /linux/drivers/hv/ |
| H A D | ring_buffer.c | 58 if (READ_ONCE(rbi->ring_buffer->interrupt_mask)) in hv_signal_on_write()
67 if (old_write == READ_ONCE(rbi->ring_buffer->read_index)) { in hv_signal_on_write()
77 u32 next = ring_info->ring_buffer->write_index; in hv_get_next_write_location()
87 ring_info->ring_buffer->write_index = next_write_location; in hv_set_next_write_location()
101 return (u64)ring_info->ring_buffer->write_index << 32; in hv_get_ring_bufferindices()
114 void *ring_buffer = hv_get_ring_buffer(ring_info); in hv_copyto_ringbuffer() local
117 memcpy(ring_buffer + start_write_offset, src, srclen); in hv_copyto_ringbuffer()
140 read_loc = READ_ONCE(rbi->ring_buffer->read_index); in hv_get_ringbuffer_availbytes()
141 write_loc = READ_ONCE(rbi->ring_buffer->write_index); in hv_get_ringbuffer_availbytes()
158 if (!ring_info->ring_buffer) { in hv_ringbuffer_get_debuginfo()
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| H A D | Makefile | 13 channel_mgmt.o ring_buffer.o hv_trace.o
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| H A D | vmbus_drv.c | 1692 if (!rbi->ring_buffer) { in out_mask_show()
1697 ret = sprintf(buf, "%u\n", rbi->ring_buffer->interrupt_mask); in out_mask_show()
1709 if (!rbi->ring_buffer) { in in_mask_show()
1714 ret = sprintf(buf, "%u\n", rbi->ring_buffer->interrupt_mask); in in_mask_show()
1726 if (!rbi->ring_buffer) { in read_avail_show()
1743 if (!rbi->ring_buffer) { in write_avail_show()
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| /linux/tools/lib/bpf/ |
| H A D | ringbuf.c | 35 struct ring_buffer { struct
60 static void ringbuf_free_ring(struct ring_buffer *rb, struct ring *r) in ringbuf_free_ring() argument
75 int ring_buffer__add(struct ring_buffer *rb, int map_fd, in ring_buffer__add()
172 void ring_buffer__free(struct ring_buffer *rb) in ring_buffer__free()
189 struct ring_buffer *
193 struct ring_buffer *rb; in ring_buffer__new()
287 int ring_buffer__consume_n(struct ring_buffer *rb, size_t n) in ring_buffer__consume_n()
312 int ring_buffer__consume(struct ring_buffer *rb) in ring_buffer__consume()
336 int ring_buffer__poll(struct ring_buffer *rb, int timeout_ms) in ring_buffer__poll()
360 int ring_buffer__epoll_fd(const struct ring_buffer *rb) in ring_buffer__epoll_fd()
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| H A D | libbpf.h | 1413 struct ring_buffer;
1425 LIBBPF_API struct ring_buffer *
1428 LIBBPF_API void ring_buffer__free(struct ring_buffer *rb);
1429 LIBBPF_API int ring_buffer__add(struct ring_buffer *rb, int map_fd,
1431 LIBBPF_API int ring_buffer__poll(struct ring_buffer *rb, int timeout_ms);
1432 LIBBPF_API int ring_buffer__consume(struct ring_buffer *rb);
1433 LIBBPF_API int ring_buffer__consume_n(struct ring_buffer *rb, size_t n);
1434 LIBBPF_API int ring_buffer__epoll_fd(const struct ring_buffer *rb);
1447 LIBBPF_API struct ring *ring_buffer__ring(struct ring_buffer *rb,
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| /linux/drivers/uio/ |
| H A D | uio_hv_generic.c | 70 channel->inbound.ring_buffer->interrupt_mask = !irq_state; in set_event()
159 void *ring_buffer = page_address(channel->ringbuffer_page); in hv_uio_ring_mmap() local
164 return vm_iomap_memory(vma, virt_to_phys(ring_buffer), in hv_uio_ring_mmap()
254 void *ring_buffer; in hv_uio_probe() local
285 ring_buffer = page_address(channel->ringbuffer_page); in hv_uio_probe()
287 = (uintptr_t)virt_to_phys(ring_buffer); in hv_uio_probe()
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| /linux/include/linux/ |
| H A D | hyperv.h | 192 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()
1110 c->outbound.ring_buffer->pending_send_sz = size; in set_channel_pending_send_size()
1641 return ring_info->ring_buffer->buffer; in hv_get_ring_buffer()
1649 rbi->ring_buffer->interrupt_mask = 1; in hv_begin_read()
1661 rbi->ring_buffer->interrupt_mask = 0; in hv_end_read()
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| /linux/drivers/usb/misc/ |
| H A D | ldusb.c | 159 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()
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| /linux/drivers/media/platform/chips-media/wave5/ |
| H A D | wave5-vpu-dec.c | 1130 struct vpu_buf *ring_buffer, dma_addr_t wr_ptr) in write_to_ringbuffer() argument
1133 size_t offset = wr_ptr - ring_buffer->daddr; in write_to_ringbuffer()
1136 if (wr_ptr + buffer_size > ring_buffer->daddr + ring_buffer->size) { in write_to_ringbuffer()
1137 size = ring_buffer->daddr + ring_buffer->size - wr_ptr; in write_to_ringbuffer()
1138 ret = wave5_vdi_write_memory(inst->dev, ring_buffer, offset, (u8 *)buffer, size); in write_to_ringbuffer()
1142 ret = wave5_vdi_write_memory(inst->dev, ring_buffer, 0, (u8 *)buffer + size, in write_to_ringbuffer()
1147 ret = wave5_vdi_write_memory(inst->dev, ring_buffer, offset, (u8 *)buffer, in write_to_ringbuffer()
1192 struct vpu_buf *ring_buffer = &inst->bitstream_vbuf; in fill_ringbuffer() local
1229 ret = write_to_ringbuffer(inst, src_buf, src_size, ring_buffer, wr_ptr); in fill_ringbuffer()
1341 struct vpu_buf *ring_buffer = &inst->bitstream_vbuf; in wave5_vpu_dec_allocate_ring_buffer() local
[all …]
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| /linux/kernel/events/ |
| H A D | Makefile | 2 obj-y := core.o ring_buffer.o callchain.o
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| /linux/tools/testing/selftests/bpf/prog_tests/ |
| H A D | user_ringbuf.c | 142 struct ring_buffer **kern_ringbuf_out, in load_skel_create_ringbufs()
147 struct ring_buffer *kern_ringbuf = NULL; in load_skel_create_ringbufs()
524 static void drain_kernel_messages_buffer(struct ring_buffer *kern_ringbuf, in drain_kernel_messages_buffer()
538 struct ring_buffer *kern_ringbuf; in test_user_ringbuf_msg_protocol()
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| H A D | ringbuf_multi.c | 44 struct ring_buffer *ringbuf = NULL; in test_ringbuf_multi()
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| H A D | test_ima.c | 68 struct ring_buffer *ringbuf = NULL; in test_test_ima()
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| H A D | unpriv_bpf_disabled.c | 64 struct ring_buffer *ringbuf = NULL; in test_unpriv_bpf_disabled_positive()
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| H A D | ringbuf.c | 68 static struct ring_buffer *ringbuf;
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| /linux/drivers/staging/media/atomisp/pci/runtime/debug/src/ |
| H A D | ia_css_debug.c | 125 static char ring_buffer[200]; variable
1126 if (strlen(ring_buffer) > 0) { in ia_css_debug_pipe_graph_dump_epilogue()
1127 dtrace_dot(ring_buffer); in ia_css_debug_pipe_graph_dump_epilogue()
1156 memset(ring_buffer, 0, sizeof(ring_buffer)); in ia_css_debug_pipe_graph_dump_epilogue()
1390 snprintf(ring_buffer, sizeof(ring_buffer), in ia_css_debug_pipe_graph_dump_sp_raw_copy()
1398 dtrace_dot(ring_buffer); in ia_css_debug_pipe_graph_dump_sp_raw_copy()
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| /linux/tools/tracing/rtla/src/ |
| H A D | timerlat_bpf.c | 120 struct ring_buffer *rb; in timerlat_bpf_wait()
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| /linux/kernel/trace/ |
| H A D | Makefile | 63 obj-$(CONFIG_RING_BUFFER) += ring_buffer.o
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| /linux/tools/testing/selftests/bpf/benchs/ |
| H A D | bench_ringbufs.c | 163 struct ring_buffer *ringbuf;
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| /linux/tools/memory-model/Documentation/ |
| H A D | recipes.txt | 334 perf_output_put_handle() in kernel/events/ring_buffer.c:
387 perf_output_put_handle() in kernel/events/ring_buffer.c, showing a
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| /linux/Documentation/userspace-api/ |
| H A D | perf_ring_buffer.rst | 549 The comments in tools/include/linux/ring_buffer.h gives nice description
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