| /linux/drivers/net/wireless/ath/wil6210/ |
| H A D | txrx_edma.c | 60 struct wil_status_ring *sring) in wil_sring_free() argument
65 if (!sring || !sring->va) in wil_sring_free()
68 sz = sring->elem_size * sring->size; in wil_sring_free()
71 sz, sring->va, &sring->pa); in wil_sring_free()
73 dma_free_coherent(dev, sz, (void *)sring->va, sring->pa); in wil_sring_free()
74 sring->pa = 0; in wil_sring_free()
75 sring->va = NULL; in wil_sring_free()
79 struct wil_status_ring *sring) in wil_sring_alloc() argument
82 size_t sz = sring->elem_size * sring->size; in wil_sring_alloc()
91 sring->swhead = 0; in wil_sring_alloc()
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| H A D | debugfs.c | 194 struct wil_status_ring *sring) in wil_print_sring() argument
197 int sring_idx = sring - wil->srings; in wil_print_sring()
201 sring->is_rx ? "RX" : "TX", sring_idx); in wil_print_sring()
202 seq_printf(s, " pa = %pad\n", &sring->pa); in wil_print_sring()
203 seq_printf(s, " va = 0x%pK\n", sring->va); in wil_print_sring()
204 seq_printf(s, " size = %d\n", sring->size); in wil_print_sring()
205 seq_printf(s, " elem_size = %zu\n", sring->elem_size); in wil_print_sring()
206 seq_printf(s, " swhead = %d\n", sring->swhead); in wil_print_sring()
218 seq_printf(s, " hwtail = [0x%08x] -> ", sring->hwtail); in wil_print_sring()
219 x = wmi_addr(wil, sring->hwtail); in wil_print_sring()
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| H A D | netdev.c | 176 struct wil_status_ring *sring = &wil->srings[wil->tx_sring_idx]; in wil6210_netdev_poll_tx_edma() local
178 if (!sring->va) in wil6210_netdev_poll_tx_edma()
181 tx_done = wil_tx_sring_handler(wil, sring); in wil6210_netdev_poll_tx_edma()
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| H A D | txrx_edma.h | 599 struct wil_status_ring *sring);
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| H A D | wmi.c | 3720 struct wil_status_ring *sring = &wil->srings[ring_id]; in wil_wmi_tx_sring_cfg() local
3723 .ring_size = cpu_to_le16(sring->size), in wil_wmi_tx_sring_cfg()
3736 cmd.ring_cfg.ring_mem_base = cpu_to_le64(sring->pa); in wil_wmi_tx_sring_cfg()
3751 sring->hwtail = le32_to_cpu(reply.evt.ring_tail_ptr); in wil_wmi_tx_sring_cfg()
3796 struct wil_status_ring *sring = &wil->srings[ring_id]; in wil_wmi_rx_sring_add() local
3800 .ring_size = cpu_to_le16(sring->size), in wil_wmi_rx_sring_add()
3815 cmd.ring_cfg.ring_mem_base = cpu_to_le64(sring->pa); in wil_wmi_rx_sring_add()
3830 sring->hwtail = le32_to_cpu(reply.evt.ring_tail_ptr); in wil_wmi_rx_sring_add()
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| /linux/include/xen/interface/io/ |
| H A D | ring.h | 106 struct __name##_sring *sring; \
114 struct __name##_sring *sring; \
143 (_r)->sring = (_s); \
157 (_r)->sring = (_s); \
178 ((_r)->sring->rsp_prod - (_r)->rsp_cons)
181 unsigned int req = (_r)->sring->req_prod - (_r)->req_cons; \
194 (&((_r)->sring->ring[((_idx) & (RING_SIZE(_r) - 1))].req))
197 (&((_r)->sring->ring[((_idx) & (RING_SIZE(_r) - 1))].rsp))
230 (_r)->sring->req_prod = (_r)->req_prod_pvt; \
235 (_r)->sring->rsp_prod = (_r)->rsp_prod_pvt; \
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| /linux/drivers/net/xen-netback/ |
| H A D | xenbus.c | 33 if (tx_ring->sring) { in xenvif_read_io_ring()
34 struct xen_netif_tx_sring *sring = tx_ring->sring; in xenvif_read_io_ring() local
39 sring->req_prod, in xenvif_read_io_ring()
40 sring->req_prod - sring->rsp_prod, in xenvif_read_io_ring()
42 tx_ring->req_cons - sring->rsp_prod, in xenvif_read_io_ring()
43 sring->req_event, in xenvif_read_io_ring()
44 sring->req_event - sring->rsp_prod); in xenvif_read_io_ring()
46 sring->rsp_prod, in xenvif_read_io_ring()
48 tx_ring->rsp_prod_pvt - sring->rsp_prod, in xenvif_read_io_ring()
49 sring->rsp_event, in xenvif_read_io_ring()
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| H A D | rx.c | 68 prod = queue->rx.sring->req_prod; in xenvif_rx_ring_slots_available()
74 queue->rx.sring->req_event = prod + 1; in xenvif_rx_ring_slots_available()
80 } while (queue->rx.sring->req_prod != prod); in xenvif_rx_ring_slots_available()
514 prod = queue->rx.sring->req_prod; in xenvif_rx_queue_slots()
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| H A D | interface.c | 664 xenbus_unmap_ring_vfree(xendev, vif->ctrl.sring); in xenvif_connect_ctrl()
665 vif->ctrl.sring = NULL; in xenvif_connect_ctrl()
827 if (vif->ctrl.sring) { in xenvif_disconnect_ctrl()
829 vif->ctrl.sring); in xenvif_disconnect_ctrl()
830 vif->ctrl.sring = NULL; in xenvif_disconnect_ctrl()
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| H A D | netback.c | 934 if (queue->tx.sring->req_prod - queue->tx.req_cons > in xenvif_tx_build_gops()
939 queue->tx.sring->req_prod, queue->tx.req_cons, in xenvif_tx_build_gops()
1533 if (queue->tx.sring) in xenvif_unmap_frontend_data_rings()
1535 queue->tx.sring); in xenvif_unmap_frontend_data_rings()
1536 if (queue->rx.sring) in xenvif_unmap_frontend_data_rings()
1538 queue->rx.sring); in xenvif_unmap_frontend_data_rings()
1697 req_prod = vif->ctrl.sring->req_prod; in xenvif_ctrl_action()
1716 vif->ctrl.sring->req_event = req_cons + 1; in xenvif_ctrl_action()
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| /linux/tools/testing/selftests/x86/ |
| H A D | lam.c | 486 struct io_uring_queue *sring = &s->sq_ring; in mmap_io_uring() local
489 sring->ring_sz = p.sq_off.array + p.sq_entries * sizeof(unsigned int); 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()
516 munmap(sq_ptr, sring->ring_sz); in mmap_io_uring()
521 sring->head = sq_ptr + p.sq_off.head; in mmap_io_uring()
522 sring->tail = sq_ptr + p.sq_off.tail; in mmap_io_uring()
523 sring->ring_mask = sq_ptr + p.sq_off.ring_mask; in mmap_io_uring()
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| /linux/drivers/gpu/drm/xen/ |
| H A D | xen_drm_front_evtchnl.c | 37 rp = evtchnl->u.req.ring.sring->rsp_prod; in evtchnl_interrupt_ctrl()
74 evtchnl->u.req.ring.sring->rsp_event = i + 1; in evtchnl_interrupt_ctrl()
129 page = evtchnl->u.req.ring.sring; in evtchnl_free()
176 struct xen_displif_sring *sring; in evtchnl_alloc() local
180 sring = page; in evtchnl_alloc()
181 XEN_FRONT_RING_INIT(&evtchnl->u.req.ring, sring, XEN_PAGE_SIZE); in evtchnl_alloc()
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| /linux/drivers/scsi/ |
| H A D | xen-scsifront.c | 390 rp = READ_ONCE(info->ring.sring->rsp_prod); in scsifront_ring_drain()
409 info->ring.sring->rsp_event = i + 1; in scsifront_ring_drain()
793 struct vscsiif_sring *sring; in scsifront_alloc_ring() local
797 err = xenbus_setup_ring(dev, GFP_KERNEL, (void **)&sring, 1, in scsifront_alloc_ring()
802 XEN_FRONT_RING_INIT(&info->ring, sring, PAGE_SIZE); in scsifront_alloc_ring()
831 xenbus_teardown_ring((void **)&sring, 1, &info->ring_ref); in scsifront_alloc_ring()
839 xenbus_teardown_ring((void **)&info->ring.sring, 1, &info->ring_ref); in scsifront_free_ring()
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| /linux/drivers/usb/host/ |
| H A D | xen-hcd.c | 968 rp = info->urb_ring.sring->rsp_prod; in xenhcd_urb_request_done()
999 info->urb_ring.sring->rsp_event = i + 1; in xenhcd_urb_request_done()
1025 rp = info->conn_ring.sring->rsp_prod; in xenhcd_conn_notify()
1062 info->conn_ring.sring->rsp_event = rc + 1; in xenhcd_conn_notify()
1101 xenbus_teardown_ring((void **)&info->urb_ring.sring, 1, in xenhcd_destroy_rings()
1103 xenbus_teardown_ring((void **)&info->conn_ring.sring, 1, in xenhcd_destroy_rings()
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| /linux/drivers/xen/ |
| H A D | xen-scsiback.c | 612 xenbus_unmap_ring_vfree(info->dev, info->ring.sring); in scsiback_disconnect()
758 rp = ring->sring->req_prod; in scsiback_do_cmd_fn()
848 struct vscsiif_sring *sring; in scsiback_init_sring() local
858 sring = (struct vscsiif_sring *)area; in scsiback_init_sring()
859 BACK_RING_INIT(&info->ring, sring, PAGE_SIZE); in scsiback_init_sring()
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| /linux/drivers/block/xen-blkback/ |
| H A D | xenbus.c | 263 ring->blk_rings.common.sring = NULL; in xen_blkif_map()
300 if (ring->blk_rings.common.sring) { in xen_blkif_disconnect()
302 ring->blk_rings.common.sring = NULL; in xen_blkif_disconnect()
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