| /Linux-v5.15/virt/lib/ |
| D | irqbypass.c | 84 int irq_bypass_register_producer(struct irq_bypass_producer *producer) in irq_bypass_register_producer() argument
90 if (!producer->token) in irq_bypass_register_producer()
101 if (tmp->token == producer->token) { in irq_bypass_register_producer()
108 if (consumer->token == producer->token) { in irq_bypass_register_producer()
109 ret = __connect(producer, consumer); in irq_bypass_register_producer()
116 list_add(&producer->node, &producers); in irq_bypass_register_producer()
135 void irq_bypass_unregister_producer(struct irq_bypass_producer *producer) in irq_bypass_unregister_producer() argument
140 if (!producer->token) in irq_bypass_unregister_producer()
151 if (tmp->token != producer->token) in irq_bypass_unregister_producer()
155 if (consumer->token == producer->token) { in irq_bypass_unregister_producer()
[all …]
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| /Linux-v5.15/tools/testing/selftests/bpf/benchs/ |
| D | bench_rename.c | 26 static void *producer(void *input) in producer() function
118 .producer_thread = producer,
129 .producer_thread = producer,
140 .producer_thread = producer,
151 .producer_thread = producer,
162 .producer_thread = producer,
173 .producer_thread = producer,
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| /Linux-v5.15/include/linux/ |
| D | ptr_ring.h | 31 int producer ____cacheline_aligned_in_smp;
51 return r->queue[r->producer]; in __ptr_ring_full()
106 if (unlikely(!r->size) || r->queue[r->producer]) in __ptr_ring_produce()
113 WRITE_ONCE(r->queue[r->producer++], ptr); in __ptr_ring_produce()
114 if (unlikely(r->producer >= r->size)) in __ptr_ring_produce()
115 r->producer = 0; in __ptr_ring_produce()
494 r->producer = r->consumer_head = r->consumer_tail = 0; in ptr_ring_init()
562 int producer = 0; in __ptr_ring_swap_queue() local
567 if (producer < size) in __ptr_ring_swap_queue()
568 queue[producer++] = ptr; in __ptr_ring_swap_queue()
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| D | kvm_irqfd.h | 61 struct irq_bypass_producer *producer; member
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| /Linux-v5.15/drivers/net/ethernet/qlogic/qlcnic/ |
| D | qlcnic_io.c | 276 u32 producer; in qlcnic_82xx_change_filter() local
279 producer = tx_ring->producer; in qlcnic_82xx_change_filter()
280 hwdesc = &tx_ring->desc_head[tx_ring->producer]; in qlcnic_82xx_change_filter()
296 tx_ring->producer = get_next_index(producer, tx_ring->num_desc); in qlcnic_82xx_change_filter()
376 u32 producer = tx_ring->producer; in qlcnic_tx_encap_pkt() local
406 hwdesc = &tx_ring->desc_head[producer]; in qlcnic_tx_encap_pkt()
407 tx_ring->cmd_buf_arr[producer].skb = NULL; in qlcnic_tx_encap_pkt()
412 producer = get_next_index(producer, tx_ring->num_desc); in qlcnic_tx_encap_pkt()
415 tx_ring->producer = producer; in qlcnic_tx_encap_pkt()
467 u32 producer = tx_ring->producer; in qlcnic_tx_pkt() local
[all …]
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| D | qlcnic_hw.c | 384 u32 i, producer; in qlcnic_send_cmd_descs() local
397 producer = tx_ring->producer; in qlcnic_send_cmd_descs()
415 pbuf = &tx_ring->cmd_buf_arr[producer]; in qlcnic_send_cmd_descs()
419 memcpy(&tx_ring->desc_head[producer], in qlcnic_send_cmd_descs()
422 producer = get_next_index(producer, tx_ring->num_desc); in qlcnic_send_cmd_descs()
427 tx_ring->producer = producer; in qlcnic_send_cmd_descs()
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| /Linux-v5.15/kernel/trace/ |
| D | ring_buffer_benchmark.c | 33 static struct task_struct *producer; variable
447 producer = kthread_run(ring_buffer_producer_thread, in ring_buffer_benchmark_init()
449 ret = PTR_ERR(producer); in ring_buffer_benchmark_init()
451 if (IS_ERR(producer)) in ring_buffer_benchmark_init()
467 sched_set_fifo(producer); in ring_buffer_benchmark_init()
469 sched_set_fifo_low(producer); in ring_buffer_benchmark_init()
471 set_user_nice(producer, producer_nice); in ring_buffer_benchmark_init()
486 kthread_stop(producer); in ring_buffer_benchmark_exit()
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| /Linux-v5.15/Documentation/core-api/ |
| D | circular-buffers.rst | 15 (2) Memory barriers for when the producer and the consumer of objects in the
19 producer and just one consumer. It is possible to handle multiple producers by
30 - The producer.
41 (1) A 'head' index - the point at which the producer inserts items into the
113 (1) CIRC_SPACE*() are intended to be used in the producer. To the producer
114 they will return a lower bound as the producer controls the head index,
118 To the consumer it will show an upper bound as the producer may be busy
123 producer may still be filling the buffer on another CPU and moving the
126 To the producer it will show an upper bound as the consumer may be busy
130 producer and consumer become visible cannot be guaranteed as they are
[all …]
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| /Linux-v5.15/net/xdp/ |
| D | xsk_queue.h | 17 u32 producer ____cacheline_aligned_in_smp;
238 q->cached_prod = smp_load_acquire(&q->ring->producer); /* C, matches B */ in __xskq_cons_peek()
306 return READ_ONCE(q->ring->producer) - READ_ONCE(q->ring->consumer) == in xskq_cons_is_full()
313 return READ_ONCE(q->ring->producer) - READ_ONCE(q->ring->consumer); in xskq_cons_present_entries()
400 smp_store_release(&q->ring->producer, idx); /* B, matches C */ in __xskq_prod_submit()
411 u32 idx = q->ring->producer; in xskq_prod_submit_addr()
420 __xskq_prod_submit(q, q->ring->producer + nb_entries); in xskq_prod_submit_n()
426 return READ_ONCE(q->ring->consumer) == READ_ONCE(q->ring->producer); in xskq_prod_is_empty()
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| D | xsk.h | 15 __u64 producer; member
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| /Linux-v5.15/tools/lib/bpf/ |
| D | xsk.c | 99 __u64 producer; member
182 off->rx.producer = off_v1.rx.producer; in xsk_mmap_offsets_v1()
187 off->tx.producer = off_v1.tx.producer; in xsk_mmap_offsets_v1()
192 off->fr.producer = off_v1.fr.producer; in xsk_mmap_offsets_v1()
197 off->cr.producer = off_v1.cr.producer; in xsk_mmap_offsets_v1()
256 fill->producer = map + off.fr.producer; in xsk_create_umem_rings()
272 comp->producer = map + off.cr.producer; in xsk_create_umem_rings()
1118 rx->producer = rx_map + off.rx.producer; in xsk_socket__create_shared()
1122 rx->cached_prod = *rx->producer; in xsk_socket__create_shared()
1139 tx->producer = tx_map + off.tx.producer; in xsk_socket__create_shared()
[all …]
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| D | xsk.h | 98 __u32 *producer; \
176 r->cached_prod = libbpf_smp_load_acquire(r->producer); in xsk_cons_nb_avail()
199 libbpf_smp_store_release(prod->producer, *prod->producer + nb); in xsk_ring_prod__submit()
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| /Linux-v5.15/drivers/mailbox/ |
| D | tegra-hsp.c | 73 bool producer; member
222 if (mb->producer) { in tegra_hsp_shared_irq()
248 if (!mb->producer) { in tegra_hsp_shared_irq()
382 if (WARN_ON(!mb->producer)) in tegra_hsp_mailbox_send_data()
446 if (mb->producer) in tegra_hsp_mailbox_startup()
456 if (mb->producer) in tegra_hsp_mailbox_startup()
475 if (mb->producer) in tegra_hsp_mailbox_shutdown()
485 if (mb->producer) in tegra_hsp_mailbox_shutdown()
557 mb->producer = false; in tegra_hsp_sm_xlate()
559 mb->producer = true; in tegra_hsp_sm_xlate()
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| /Linux-v5.15/drivers/net/ethernet/qlogic/netxen/ |
| D | netxen_nic_init.c | 1813 int producer, count = 0; in netxen_post_rx_buffers() local
1817 producer = rds_ring->producer; in netxen_post_rx_buffers()
1833 pdesc = &rds_ring->desc_head[producer]; in netxen_post_rx_buffers()
1838 producer = get_next_index(producer, rds_ring->num_desc); in netxen_post_rx_buffers()
1842 rds_ring->producer = producer; in netxen_post_rx_buffers()
1844 (producer-1) & (rds_ring->num_desc-1)); in netxen_post_rx_buffers()
1855 ((producer - 1) & in netxen_post_rx_buffers()
1871 int producer, count = 0; in netxen_post_rx_buffers_nodb() local
1877 producer = rds_ring->producer; in netxen_post_rx_buffers_nodb()
1893 pdesc = &rds_ring->desc_head[producer]; in netxen_post_rx_buffers_nodb()
[all …]
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| D | netxen_nic_main.c | 106 NXWRIO(adapter, tx_ring->crb_cmd_producer, tx_ring->producer); in netxen_nic_update_cmd_producer()
1241 tx_ring->producer = 0; in netxen_nic_attach()
1857 u32 producer; in netxen_tso_check() local
1924 producer = tx_ring->producer; in netxen_tso_check()
1931 hwdesc = &tx_ring->desc_head[producer]; in netxen_tso_check()
1932 tx_ring->cmd_buf_arr[producer].skb = NULL; in netxen_tso_check()
1947 producer = get_next_index(producer, tx_ring->num_desc); in netxen_tso_check()
1955 hwdesc = &tx_ring->desc_head[producer]; in netxen_tso_check()
1956 tx_ring->cmd_buf_arr[producer].skb = NULL; in netxen_tso_check()
1964 producer = get_next_index(producer, tx_ring->num_desc); in netxen_tso_check()
[all …]
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| D | netxen_nic_hw.c | 553 u32 i, producer; in netxen_send_cmd_descs() local
565 producer = tx_ring->producer; in netxen_send_cmd_descs()
580 pbuf = &tx_ring->cmd_buf_arr[producer]; in netxen_send_cmd_descs()
584 memcpy(&tx_ring->desc_head[producer], in netxen_send_cmd_descs()
587 producer = get_next_index(producer, tx_ring->num_desc); in netxen_send_cmd_descs()
592 tx_ring->producer = producer; in netxen_send_cmd_descs()
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| /Linux-v5.15/drivers/vfio/pci/ |
| D | vfio_pci_intrs.c | 302 irq_bypass_unregister_producer(&vdev->ctx[vector].producer); in vfio_msi_set_vector_signal()
352 vdev->ctx[vector].producer.token = trigger; in vfio_msi_set_vector_signal()
353 vdev->ctx[vector].producer.irq = irq; in vfio_msi_set_vector_signal()
354 ret = irq_bypass_register_producer(&vdev->ctx[vector].producer); in vfio_msi_set_vector_signal()
358 vdev->ctx[vector].producer.token, ret); in vfio_msi_set_vector_signal()
360 vdev->ctx[vector].producer.token = NULL; in vfio_msi_set_vector_signal()
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| /Linux-v5.15/Documentation/networking/ |
| D | af_xdp.rst | 64 single-consumer / single-producer (for performance reasons), the new
121 The UMEM has two single-producer/single-consumer rings that are used
129 TX. All rings are single-producer/single-consumer, so the user-space
138 The rings are head(producer)/tail(consumer) based rings. A producer
140 producer member, and increasing the producer index. A consumer reads
309 rings, and they are single producer, single consumer rings, you need
355 space is a producer. When this option is set in the bind call, the
405 be used. Note, that the rings are single-producer single-consumer, so
486 // __u32 *producer;
492 // __u32 *producer;
[all …]
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| /Linux-v5.15/Documentation/devicetree/bindings/mailbox/ |
| D | nvidia,tegra186-hsp.txt | 47 as a producer (i.e. used to send data). If cleared, the mailbox is the
48 consumer of data sent by a producer.
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| /Linux-v5.15/tools/include/uapi/linux/ |
| D | if_xdp.h | 44 __u64 producer; member
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| /Linux-v5.15/include/uapi/linux/ |
| D | if_xdp.h | 44 __u64 producer; member
|
| /Linux-v5.15/Documentation/driver-api/ |
| D | sync_file.rst | 14 of attaching a fence to the buffer a producer driver (such as a GPU or V4L
21 producer part of the cycle.
|
| /Linux-v5.15/tools/testing/selftests/net/af_unix/ |
| D | test_unix_oob.c | 116 void producer(struct sockaddr_un *consumer_addr) in producer() function
206 producer(&consumer_addr); in main()
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| /Linux-v5.15/drivers/vhost/ |
| D | vdpa.c | 100 irq_bypass_unregister_producer(&vq->call_ctx.producer); in vhost_vdpa_setup_vq_irq()
104 vq->call_ctx.producer.token = vq->call_ctx.ctx; in vhost_vdpa_setup_vq_irq()
105 vq->call_ctx.producer.irq = irq; in vhost_vdpa_setup_vq_irq()
106 ret = irq_bypass_register_producer(&vq->call_ctx.producer); in vhost_vdpa_setup_vq_irq()
109 qid, vq->call_ctx.producer.token, ret); in vhost_vdpa_setup_vq_irq()
116 irq_bypass_unregister_producer(&vq->call_ctx.producer); in vhost_vdpa_unsetup_vq_irq()
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| /Linux-v5.15/Documentation/trace/ |
| D | ring-buffer-design.rst | 27 producer
31 - same as producer
70 producer/consumer mode.
72 Producer/consumer mode is where if the producer were to fill up the
73 buffer before the consumer could free up anything, the producer
76 Overwrite mode is where if the producer were to fill up the buffer
77 before the consumer could free up anything, the producer will
373 the head page will be pushed ahead one. If the buffer is in producer/consumer
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