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Searched refs:ring_size (Results 1 – 25 of 145) sorted by relevance

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/Linux-v4.19/tools/virtio/ringtest/
Dvirtio_ring_0_9.c70 ret = posix_memalign(&p, 0x1000, vring_size(ring_size, 0x1000)); in alloc_ring()
75 memset(p, 0, vring_size(ring_size, 0x1000)); in alloc_ring()
76 vring_init(&ring, ring_size, p, 0x1000); in alloc_ring()
85 for (i = 0; i < ring_size - 1; i++) in alloc_ring()
89 guest.num_free = ring_size; in alloc_ring()
90 data = malloc(ring_size * sizeof *data); in alloc_ring()
95 memset(data, 0, ring_size * sizeof *data); in alloc_ring()
111 head = (ring_size - 1) & (guest.avail_idx++); in add_inbuf()
136 ring.avail->ring[avail & (ring_size - 1)] = in add_inbuf()
137 (head | (avail & ~(ring_size - 1))) ^ 0x8000; in add_inbuf()
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Dring.c82 ret = posix_memalign((void **)&ring, 0x1000, ring_size * sizeof *ring); in alloc_ring()
97 for (i = 0; i < ring_size; ++i) { in alloc_ring()
103 guest.num_free = ring_size; in alloc_ring()
104 data = calloc(ring_size, sizeof(*data)); in alloc_ring()
120 head = (ring_size - 1) & (guest.avail_idx++); in add_inbuf()
145 unsigned head = (ring_size - 1) & guest.last_used_idx; in get_buf()
154 index = ring[head].index & (ring_size - 1); in get_buf()
166 unsigned head = (ring_size - 1) & guest.last_used_idx; in used_empty()
221 unsigned head = (ring_size - 1) & host.used_idx; in avail_empty()
228 unsigned head = (ring_size - 1) & host.used_idx; in use_buf()
Dmain.c29 unsigned ring_size = 256; variable
288 ring_size, in help()
322 ring_size = strtol(optarg, &endptr, 0); in main()
323 assert(ring_size && !(ring_size & (ring_size - 1))); in main()
/Linux-v4.19/include/xen/interface/io/
Dring.h342 static inline RING_IDX name##_mask(RING_IDX idx, RING_IDX ring_size) \
344 return idx & (ring_size - 1); \
349 RING_IDX ring_size) \
351 return buf + name##_mask(idx, ring_size); \
359 RING_IDX ring_size) \
362 size <= ring_size - *masked_cons) { \
365 memcpy(opaque, buf + *masked_cons, ring_size - *masked_cons); \
366 memcpy((unsigned char *)opaque + ring_size - *masked_cons, buf, \
367 size - (ring_size - *masked_cons)); \
369 *masked_cons = name##_mask(*masked_cons + size, ring_size); \
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/Linux-v4.19/drivers/gpu/drm/amd/amdgpu/
Damdgpu_ih.c43 r = amdgpu_bo_create_kernel(adev, adev->irq.ih.ring_size, in amdgpu_ih_ring_alloc()
65 int amdgpu_ih_ring_init(struct amdgpu_device *adev, unsigned ring_size, in amdgpu_ih_ring_init() argument
72 rb_bufsz = order_base_2(ring_size / 4); in amdgpu_ih_ring_init()
73 ring_size = (1 << rb_bufsz) * 4; in amdgpu_ih_ring_init()
74 adev->irq.ih.ring_size = ring_size; in amdgpu_ih_ring_init()
75 adev->irq.ih.ptr_mask = adev->irq.ih.ring_size - 1; in amdgpu_ih_ring_init()
85 adev->irq.ih.ring_size + 8, in amdgpu_ih_ring_init()
89 memset((void *)adev->irq.ih.ring, 0, adev->irq.ih.ring_size + 8); in amdgpu_ih_ring_init()
90 adev->irq.ih.wptr_offs = (adev->irq.ih.ring_size / 4) + 0; in amdgpu_ih_ring_init()
91 adev->irq.ih.rptr_offs = (adev->irq.ih.ring_size / 4) + 1; in amdgpu_ih_ring_init()
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Dpsp_v10_0.c180 ring->ring_size = 0x1000; in psp_v10_0_ring_init()
181 ret = amdgpu_bo_create_kernel(adev, ring->ring_size, PAGE_SIZE, in psp_v10_0_ring_init()
187 ring->ring_size = 0; in psp_v10_0_ring_init()
209 psp_ring_reg = ring->ring_size; in psp_v10_0_ring_create()
278 ring->ring_size / sizeof(struct psp_gfx_rb_frame) - 1; in psp_v10_0_cmd_submit()
280 uint32_t ring_size_dw = ring->ring_size / 4; in psp_v10_0_cmd_submit()
Damdgpu_ih.h49 unsigned ring_size; member
79 int amdgpu_ih_ring_init(struct amdgpu_device *adev, unsigned ring_size,
Damdgpu_ring.c301 ring->ring_size = roundup_pow_of_two(max_dw * 4 * sched_hw_submission); in amdgpu_ring_init()
303 ring->buf_mask = (ring->ring_size / 4) - 1; in amdgpu_ring_init()
308 r = amdgpu_bo_create_kernel(adev, ring->ring_size + ring->funcs->extra_dw, PAGE_SIZE, in amdgpu_ring_init()
524 if (*pos >= (ring->ring_size + 12)) in amdgpu_debugfs_ring_read()
564 i_size_write(ent->d_inode, ring->ring_size + 12); in amdgpu_debugfs_ring_init()
Dpsp_v3_1.c311 ring->ring_size = 0x1000; in psp_v3_1_ring_init()
312 ret = amdgpu_bo_create_kernel(adev, ring->ring_size, PAGE_SIZE, in psp_v3_1_ring_init()
318 ring->ring_size = 0; in psp_v3_1_ring_init()
340 psp_ring_reg = ring->ring_size; in psp_v3_1_ring_create()
409 ring->ring_size / sizeof(struct psp_gfx_rb_frame) - 1; in psp_v3_1_cmd_submit()
411 uint32_t ring_size_dw = ring->ring_size / 4; in psp_v3_1_cmd_submit()
Damdgpu_test.c50 n -= adev->rings[i]->ring_size; in amdgpu_do_test_moves()
54 n -= adev->irq.ih.ring_size; in amdgpu_do_test_moves()
/Linux-v4.19/drivers/net/ethernet/amazon/ena/
Dena_netdev.h108 #define ENA_TX_RING_IDX_NEXT(idx, ring_size) (((idx) + 1) & ((ring_size) - 1)) argument
110 #define ENA_RX_RING_IDX_NEXT(idx, ring_size) (((idx) + 1) & ((ring_size) - 1)) argument
111 #define ENA_RX_RING_IDX_ADD(idx, n, ring_size) \ argument
112 (((idx) + (n)) & ((ring_size) - 1))
246 int ring_size; member
Dena_netdev.c186 txr->ring_size = adapter->tx_ring_size; in ena_init_io_rings()
194 rxr->ring_size = adapter->rx_ring_size; in ena_init_io_rings()
221 size = sizeof(struct ena_tx_buffer) * tx_ring->ring_size; in ena_setup_tx_resources()
231 size = sizeof(u16) * tx_ring->ring_size; in ena_setup_tx_resources()
242 for (i = 0; i < tx_ring->ring_size; i++) in ena_setup_tx_resources()
314 if (likely(req_id < rx_ring->ring_size)) in validate_rx_req_id()
352 size = sizeof(struct ena_rx_buffer) * (rx_ring->ring_size + 1); in ena_setup_rx_resources()
362 size = sizeof(u16) * rx_ring->ring_size; in ena_setup_rx_resources()
373 for (i = 0; i < rx_ring->ring_size; i++) in ena_setup_rx_resources()
542 rx_ring->ring_size); in ena_refill_rx_bufs()
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/Linux-v4.19/drivers/gpu/drm/radeon/
Dradeon_ring.c83 ring->ring_free_dw = rptr + (ring->ring_size / 4); in radeon_ring_free_size()
88 ring->ring_free_dw = ring->ring_size / 4; in radeon_ring_free_size()
109 if (ndw > (ring->ring_size / 4)) in radeon_ring_alloc()
308 size = ring->wptr + (ring->ring_size / 4); in radeon_ring_backup()
375 int radeon_ring_init(struct radeon_device *rdev, struct radeon_ring *ring, unsigned ring_size, in radeon_ring_init() argument
380 ring->ring_size = ring_size; in radeon_ring_init()
385 r = radeon_bo_create(rdev, ring->ring_size, PAGE_SIZE, true, in radeon_ring_init()
410 ring->ptr_mask = (ring->ring_size / 4) - 1; in radeon_ring_init()
411 ring->ring_free_dw = ring->ring_size / 4; in radeon_ring_init()
472 count = (ring->ring_size / 4) - ring->ring_free_dw; in radeon_debugfs_ring_info()
/Linux-v4.19/drivers/xen/
Devtchn.c67 unsigned int ring_size; member
98 return idx & (u->ring_size - 1); in evtchn_ring_offset()
174 if ((u->ring_prod - u->ring_cons) < u->ring_size) { in evtchn_interrupt()
230 if (((c ^ p) & u->ring_size) != 0) { in evtchn_read()
231 bytes1 = (u->ring_size - evtchn_ring_offset(u, c)) * in evtchn_read()
317 if (u->nr_evtchns <= u->ring_size) in evtchn_resize_ring()
320 if (u->ring_size == 0) in evtchn_resize_ring()
323 new_size = 2 * u->ring_size; in evtchn_resize_ring()
349 memcpy(new_ring, old_ring, u->ring_size * sizeof(*u->ring)); in evtchn_resize_ring()
350 memcpy(new_ring + u->ring_size, old_ring, in evtchn_resize_ring()
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/Linux-v4.19/arch/powerpc/platforms/pasemi/
Ddma_lib.c252 int pasemi_dma_alloc_ring(struct pasemi_dmachan *chan, int ring_size) in pasemi_dma_alloc_ring() argument
256 chan->ring_size = ring_size; in pasemi_dma_alloc_ring()
259 ring_size * sizeof(u64), in pasemi_dma_alloc_ring()
265 memset(chan->ring_virt, 0, ring_size * sizeof(u64)); in pasemi_dma_alloc_ring()
280 dma_free_coherent(&dma_pdev->dev, chan->ring_size * sizeof(u64), in pasemi_dma_free_ring()
283 chan->ring_size = 0; in pasemi_dma_free_ring()
/Linux-v4.19/drivers/crypto/qat/qat_common/
Dadf_transport.c120 ADF_MAX_INFLIGHTS(ring->ring_size, ring->msg_size)) { in adf_send_message()
130 ADF_RING_SIZE_MODULO(ring->ring_size)); in adf_send_message()
148 ADF_RING_SIZE_MODULO(ring->ring_size)); in adf_handle_response()
161 uint32_t ring_config = BUILD_RING_CONFIG(ring->ring_size); in adf_configure_tx_ring()
170 BUILD_RESP_RING_CONFIG(ring->ring_size, in adf_configure_rx_ring()
185 ADF_SIZE_TO_RING_SIZE_IN_BYTES(ring->ring_size); in adf_init_ring()
209 ring_base = BUILD_RING_BASE_ADDR(ring->dma_addr, ring->ring_size); in adf_init_ring()
219 ADF_SIZE_TO_RING_SIZE_IN_BYTES(ring->ring_size); in adf_cleanup_ring()
282 ring->ring_size = adf_verify_ring_size(msg_size, num_msgs); in adf_create_ring()
Dadf_transport_debug.c65 if (*pos >= (ADF_SIZE_TO_RING_SIZE_IN_BYTES(ring->ring_size) / in adf_ring_start()
77 if (*pos >= (ADF_SIZE_TO_RING_SIZE_IN_BYTES(ring->ring_size) / in adf_ring_next()
109 ADF_SIZE_TO_RING_SIZE_IN_BYTES(ring->ring_size), in adf_ring_show()
Dadf_transport_internal.h69 uint8_t ring_size; member
/Linux-v4.19/drivers/gpu/drm/r128/
Dr128_ioc32.c44 int ring_size; member
76 init.ring_size = init32.ring_size; in compat_r128_init()
/Linux-v4.19/drivers/net/ethernet/microchip/
Dlan743x_main.c1296 return ((++index) % tx->ring_size); in lan743x_tx_next_index()
1317 sizeof(*tx->ring_cpu_ptr) * (tx->ring_size)); in lan743x_tx_release_all_descriptors()
1319 sizeof(*tx->buffer_info) * (tx->ring_size)); in lan743x_tx_release_all_descriptors()
1341 return tx->ring_size - last_tail + last_head - 1; in lan743x_tx_get_avail_desc()
1576 if (required_number_of_descriptors > (tx->ring_size - 1)) { in lan743x_tx_xmit_frame()
1712 tx->ring_size = 0; in lan743x_tx_ring_cleanup()
1722 tx->ring_size = LAN743X_TX_RING_SIZE; in lan743x_tx_ring_init()
1723 if (tx->ring_size & ~TX_CFG_B_TX_RING_LEN_MASK_) { in lan743x_tx_ring_init()
1727 ring_allocation_size = ALIGN(tx->ring_size * in lan743x_tx_ring_init()
1742 cpu_ptr = kcalloc(tx->ring_size, sizeof(*tx->buffer_info), GFP_KERNEL); in lan743x_tx_ring_init()
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/Linux-v4.19/include/trace/events/
Dhswadsp.h163 __field( int, ring_size )
172 __entry->ring_size = stream->request.ringinfo.ring_size;
179 (int)__entry->num_pages, (int)__entry->ring_size,
/Linux-v4.19/drivers/net/ethernet/ti/
Dcpmac.c203 int ring_size; member
696 for (i = 0; i < priv->ring_size; i++) { in cpmac_clear_rx()
851 ring->rx_pending = priv->ring_size; in cpmac_get_ringparam()
864 priv->ring_size = ring->rx_pending; in cpmac_set_ringparam()
947 size = priv->ring_size + CPMAC_QUEUES; in cpmac_open()
961 for (i = 0, desc = priv->rx_head; i < priv->ring_size; i++, desc++) { in cpmac_open()
974 desc->next = &priv->rx_head[(i + 1) % priv->ring_size]; in cpmac_open()
1001 for (i = 0; i < priv->ring_size; i++) { in cpmac_open()
1047 for (i = 0; i < priv->ring_size; i++) { in cpmac_stop()
1058 (CPMAC_QUEUES + priv->ring_size), in cpmac_stop()
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/Linux-v4.19/include/uapi/drm/
Di810_drm.h117 unsigned int ring_size; member
137 unsigned int ring_size; member
/Linux-v4.19/drivers/hv/
Dring_buffer.c229 ring_info->ring_size = page_cnt << PAGE_SHIFT; in hv_ringbuffer_init()
231 reciprocal_value(ring_info->ring_size / 10); in hv_ringbuffer_init()
232 ring_info->ring_datasize = ring_info->ring_size - in hv_ringbuffer_init()
/Linux-v4.19/drivers/gpu/drm/i915/gvt/
Dcmd_parser.c453 unsigned long ring_size; member
694 s->ring_id, s->ring_start, s->ring_start + s->ring_size, in parser_exec_state_dump()
735 unsigned long ring_top = s->ring_start + s->ring_size; in update_ip_va()
769 if (s->ip_gma >= s->ring_start + s->ring_size) in ip_gma_advance()
770 s->ip_gma -= s->ring_size; in ip_gma_advance()
1143 if (s->ret_ip_gma_ring >= s->ring_start + s->ring_size) in cmd_handler_mi_batch_buffer_end()
1144 s->ret_ip_gma_ring -= s->ring_size; in cmd_handler_mi_batch_buffer_end()
2637 s.ring_size = _RING_CTL_BUF_SIZE(workload->rb_ctl); in scan_workload()
2648 if (!intel_gvt_ggtt_validate_range(s.vgpu, s.ring_start, s.ring_size)) { in scan_workload()
2667 unsigned long gma_head, gma_tail, gma_bottom, ring_size, ring_tail; in scan_wa_ctx() local
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