| /linux/tools/include/io_uring/ |
| H A D | mini_liburing.h | 41 size_t ring_sz; member
52 size_t ring_sz; member
78 sq->ring_sz = p->cq_off.cqes; in io_uring_mmap()
79 sq->ring_sz += p->cq_entries * sizeof(struct io_uring_cqe); in io_uring_mmap()
81 sq->ring_sz = p->sq_off.array; in io_uring_mmap()
82 sq->ring_sz += p->sq_entries * sizeof(unsigned int); in io_uring_mmap()
85 ptr = mmap(0, sq->ring_sz, PROT_READ | PROT_WRITE, in io_uring_mmap()
104 munmap(sq->khead, sq->ring_sz); in io_uring_mmap()
108 cq->ring_sz = p->cq_off.cqes + p->cq_entries * sizeof(struct io_uring_cqe); in io_uring_mmap()
109 ptr = mmap(0, cq->ring_sz, PROT_READ | PROT_WRITE, in io_uring_mmap()
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| /linux/tools/testing/selftests/x86/ |
| H A D | lam.c | 108 size_t ring_sz; member
489 sring->ring_sz = p.sq_off.array + p.sq_entries * sizeof(unsigned int); in mmap_io_uring()
490 cring->ring_sz = p.cq_off.cqes + p.cq_entries * sizeof(struct io_uring_cqe); in mmap_io_uring()
493 if (cring->ring_sz > sring->ring_sz) in mmap_io_uring()
494 sring->ring_sz = cring->ring_sz; in mmap_io_uring()
496 cring->ring_sz = sring->ring_sz; in mmap_io_uring()
499 void *sq_ptr = mmap(0, sring->ring_sz, PROT_READ | PROT_WRITE, in mmap_io_uring()
511 cq_ptr = mmap(0, cring->ring_sz, PROT_READ | PROT_WRITE, in mmap_io_uring()
516 munmap(sq_ptr, sring->ring_sz); in mmap_io_uring()
533 munmap(sq_ptr, sring->ring_sz); in mmap_io_uring()
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| /linux/drivers/dma/ |
| H A D | plx_dma.c | 409 size_t ring_sz = PLX_DMA_RING_COUNT * sizeof(*plxdev->hw_ring); in plx_dma_alloc_chan_resources() local
413 plxdev->hw_ring = dma_alloc_coherent(plxdev->dma_dev.dev, ring_sz, in plx_dma_alloc_chan_resources()
446 dma_free_coherent(plxdev->dma_dev.dev, ring_sz, plxdev->hw_ring, in plx_dma_alloc_chan_resources()
454 size_t ring_sz = PLX_DMA_RING_COUNT * sizeof(*plxdev->hw_ring); in plx_dma_free_chan_resources() local
482 dma_free_coherent(plxdev->dma_dev.dev, ring_sz, plxdev->hw_ring, in plx_dma_free_chan_resources()
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| /linux/drivers/gpu/drm/i915/gt/ |
| H A D | intel_migrate.c | 923 int ring_sz; in emit_clear() local
929 ring_sz = XY_FAST_COLOR_BLT_DW; in emit_clear()
931 ring_sz = 8; in emit_clear()
933 ring_sz = 6; in emit_clear()
935 cs = intel_ring_begin(rq, ring_sz); in emit_clear()
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| H A D | selftest_execlists.c | 2801 int queue_sz, int ring_sz) in __live_preempt_ring() argument
2821 tmp->ring_size = ring_sz; in __live_preempt_ring()
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| /linux/drivers/net/wireless/realtek/rtw88/ |
| H A D | pci.c | 118 int ring_sz = len * tx_ring->r.desc_size; in rtw_pci_free_tx_ring() local
123 dma_free_coherent(&pdev->dev, ring_sz, head, tx_ring->r.dma); in rtw_pci_free_tx_ring()
153 int ring_sz = rx_ring->r.desc_size * rx_ring->r.len; in rtw_pci_free_rx_ring() local
157 dma_free_coherent(&pdev->dev, ring_sz, head, rx_ring->r.dma); in rtw_pci_free_rx_ring()
183 int ring_sz = desc_size * len; in rtw_pci_init_tx_ring() local
192 head = dma_alloc_coherent(&pdev->dev, ring_sz, &dma, GFP_KERNEL); in rtw_pci_init_tx_ring()
260 int ring_sz = desc_size * len; in rtw_pci_init_rx_ring() local
265 head = dma_alloc_coherent(&pdev->dev, ring_sz, &dma, GFP_KERNEL); in rtw_pci_init_rx_ring()
308 dma_free_coherent(&pdev->dev, ring_sz, head, dma); in rtw_pci_init_rx_ring()
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| /linux/drivers/net/ethernet/mscc/ |
| H A D | ocelot_fdma.c | 46 static u16 ocelot_fdma_idx_next(u16 idx, u16 ring_sz) in ocelot_fdma_idx_next() argument
48 return unlikely(idx == ring_sz - 1) ? 0 : idx + 1; in ocelot_fdma_idx_next()
51 static u16 ocelot_fdma_idx_prev(u16 idx, u16 ring_sz) in ocelot_fdma_idx_prev() argument
53 return unlikely(idx == 0) ? ring_sz - 1 : idx - 1; in ocelot_fdma_idx_prev()
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| /linux/drivers/net/wireless/realtek/rtw89/ |
| H A D | pci.c | 3412 u32 ring_sz = page_size * page_num; in rtw89_pci_free_tx_wd_ring() local
3414 dma_free_coherent(&pdev->dev, ring_sz, head, dma); in rtw89_pci_free_tx_wd_ring()
3534 u32 ring_sz = page_size * page_num; in rtw89_pci_alloc_tx_wd_ring() local
3542 head = dma_alloc_coherent(&pdev->dev, ring_sz, &dma, GFP_KERNEL); in rtw89_pci_alloc_tx_wd_ring()
3622 u32 ring_sz; in rtw89_pci_alloc_tx_rings() local
3634 ring_sz = desc_size * len; in rtw89_pci_alloc_tx_rings()
3635 pool_sz = ring_sz * ch_num; in rtw89_pci_alloc_tx_rings()
3656 head += ring_sz; in rtw89_pci_alloc_tx_rings()
3657 dma += ring_sz; in rtw89_pci_alloc_tx_rings()
3755 u32 ring_sz; in rtw89_pci_alloc_rx_rings() local
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| /linux/drivers/dma/amd/qdma/ |
| H A D | qdma.c | 499 u32 ring_sz = QDMA_DEFAULT_RING_SIZE; in qdma_device_setup() local
509 ret = qdma_reg_write(qdev, &ring_sz, QDMA_REGO_RING_SIZE); in qdma_device_setup()
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