| /Linux-v5.4/drivers/net/wireless/ath/wil6210/ |
| D | txrx_edma.c | 71 struct wil_status_ring *sring) in wil_sring_free() argument
76 if (!sring || !sring->va) in wil_sring_free()
79 sz = sring->elem_size * sring->size; in wil_sring_free()
82 sz, sring->va, &sring->pa); in wil_sring_free()
84 dma_free_coherent(dev, sz, (void *)sring->va, sring->pa); in wil_sring_free()
85 sring->pa = 0; in wil_sring_free()
86 sring->va = NULL; in wil_sring_free()
90 struct wil_status_ring *sring) in wil_sring_alloc() argument
93 size_t sz = sring->elem_size * sring->size; in wil_sring_alloc()
102 sring->swhead = 0; in wil_sring_alloc()
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| D | debugfs.c | 205 struct wil_status_ring *sring) in wil_print_sring() argument
208 int sring_idx = sring - wil->srings; in wil_print_sring()
212 sring->is_rx ? "RX" : "TX", sring_idx); in wil_print_sring()
213 seq_printf(s, " pa = %pad\n", &sring->pa); in wil_print_sring()
214 seq_printf(s, " va = 0x%pK\n", sring->va); in wil_print_sring()
215 seq_printf(s, " size = %d\n", sring->size); in wil_print_sring()
216 seq_printf(s, " elem_size = %zu\n", sring->elem_size); in wil_print_sring()
217 seq_printf(s, " swhead = %d\n", sring->swhead); in wil_print_sring()
229 seq_printf(s, " hwtail = [0x%08x] -> ", sring->hwtail); in wil_print_sring()
230 x = wmi_addr(wil, sring->hwtail); in wil_print_sring()
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| D | netdev.c | 187 struct wil_status_ring *sring = &wil->srings[wil->tx_sring_idx]; in wil6210_netdev_poll_tx_edma() local
189 if (!sring->va) in wil6210_netdev_poll_tx_edma()
192 tx_done = wil_tx_sring_handler(wil, sring); in wil6210_netdev_poll_tx_edma()
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| D | txrx_edma.h | 608 struct wil_status_ring *sring);
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| D | wmi.c | 3703 struct wil_status_ring *sring = &wil->srings[ring_id]; in wil_wmi_tx_sring_cfg() local
3706 .ring_size = cpu_to_le16(sring->size), in wil_wmi_tx_sring_cfg()
3719 cmd.ring_cfg.ring_mem_base = cpu_to_le64(sring->pa); in wil_wmi_tx_sring_cfg()
3734 sring->hwtail = le32_to_cpu(reply.evt.ring_tail_ptr); in wil_wmi_tx_sring_cfg()
3779 struct wil_status_ring *sring = &wil->srings[ring_id]; in wil_wmi_rx_sring_add() local
3783 .ring_size = cpu_to_le16(sring->size), in wil_wmi_rx_sring_add()
3798 cmd.ring_cfg.ring_mem_base = cpu_to_le64(sring->pa); in wil_wmi_rx_sring_add()
3813 sring->hwtail = le32_to_cpu(reply.evt.ring_tail_ptr); in wil_wmi_rx_sring_add()
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| /Linux-v5.4/include/xen/interface/io/ |
| D | ring.h | 95 struct __name##_sring *sring; \
103 struct __name##_sring *sring; \
132 (_r)->sring = (_s); \
139 (_r)->sring = (_s); \
144 (_r)->sring = (_s); \
151 (_r)->sring = (_s); \
173 ((_r)->sring->rsp_prod - (_r)->rsp_cons)
177 unsigned int req = (_r)->sring->req_prod - (_r)->req_cons; \
185 (&((_r)->sring->ring[((_idx) & (RING_SIZE(_r) - 1))].req))
202 (&((_r)->sring->ring[((_idx) & (RING_SIZE(_r) - 1))].rsp))
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| /Linux-v5.4/drivers/net/xen-netback/ |
| 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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| D | rx.c | 53 prod = queue->rx.sring->req_prod; in xenvif_rx_ring_slots_available()
59 queue->rx.sring->req_event = prod + 1; in xenvif_rx_ring_slots_available()
65 } while (queue->rx.sring->req_prod != prod); in xenvif_rx_ring_slots_available()
474 prod = queue->rx.sring->req_prod; in xenvif_rx_queue_stalled()
487 prod = queue->rx.sring->req_prod; in xenvif_rx_queue_ready()
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| D | interface.c | 622 vif->ctrl.sring); in xenvif_connect_ctrl()
623 vif->ctrl.sring = NULL; in xenvif_connect_ctrl()
786 if (vif->ctrl.sring) { in xenvif_disconnect_ctrl()
788 vif->ctrl.sring); in xenvif_disconnect_ctrl()
789 vif->ctrl.sring = NULL; in xenvif_disconnect_ctrl()
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| D | netback.c | 809 if (queue->tx.sring->req_prod - queue->tx.req_cons > in xenvif_tx_build_gops()
814 queue->tx.sring->req_prod, queue->tx.req_cons, in xenvif_tx_build_gops()
1441 if (queue->tx.sring) in xenvif_unmap_frontend_data_rings()
1443 queue->tx.sring); in xenvif_unmap_frontend_data_rings()
1444 if (queue->rx.sring) in xenvif_unmap_frontend_data_rings()
1446 queue->rx.sring); in xenvif_unmap_frontend_data_rings()
1591 req_prod = vif->ctrl.sring->req_prod; in xenvif_ctrl_action()
1610 vif->ctrl.sring->req_event = req_cons + 1; in xenvif_ctrl_action()
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| /Linux-v5.4/drivers/gpu/drm/xen/ |
| 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 = (unsigned long)evtchnl->u.req.ring.sring; in evtchnl_free()
180 struct xen_displif_sring *sring; in evtchnl_alloc() local
184 sring = (struct xen_displif_sring *)page; in evtchnl_alloc()
185 SHARED_RING_INIT(sring); in evtchnl_alloc()
186 FRONT_RING_INIT(&evtchnl->u.req.ring, sring, XEN_PAGE_SIZE); in evtchnl_alloc()
188 ret = xenbus_grant_ring(xb_dev, sring, 1, &gref); in evtchnl_alloc()
190 evtchnl->u.req.ring.sring = NULL; in evtchnl_alloc()
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| /Linux-v5.4/sound/xen/ |
| D | xen_snd_front_evtchnl.c | 34 rp = channel->u.req.ring.sring->rsp_prod; in evtchnl_interrupt_req()
84 channel->u.req.ring.sring->rsp_event = i + 1; in evtchnl_interrupt_req()
153 page = (unsigned long)channel->u.req.ring.sring; in evtchnl_free()
233 struct xen_sndif_sring *sring = (struct xen_sndif_sring *)page; in evtchnl_alloc() local
237 SHARED_RING_INIT(sring); in evtchnl_alloc()
238 FRONT_RING_INIT(&channel->u.req.ring, sring, XEN_PAGE_SIZE); in evtchnl_alloc()
240 ret = xenbus_grant_ring(xb_dev, sring, 1, &gref); in evtchnl_alloc()
242 channel->u.req.ring.sring = NULL; in evtchnl_alloc()
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| /Linux-v5.4/tools/io_uring/ |
| D | io_uring-bench.c | 391 struct io_sq_ring *sring = &s->sq_ring; in setup_ring() local
436 sring->head = ptr + p.sq_off.head; in setup_ring()
437 sring->tail = ptr + p.sq_off.tail; in setup_ring()
438 sring->ring_mask = ptr + p.sq_off.ring_mask; in setup_ring()
439 sring->ring_entries = ptr + p.sq_off.ring_entries; in setup_ring()
440 sring->flags = ptr + p.sq_off.flags; in setup_ring()
441 sring->array = ptr + p.sq_off.array; in setup_ring()
442 sq_ring_mask = *sring->ring_mask; in setup_ring()
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| /Linux-v5.4/drivers/scsi/ |
| D | xen-scsifront.c | 328 rp = info->ring.sring->rsp_prod; in scsifront_ring_drain()
340 info->ring.sring->rsp_event = i + 1; in scsifront_ring_drain()
705 struct vscsiif_sring *sring; in scsifront_alloc_ring() local
710 sring = (struct vscsiif_sring *)__get_free_page(GFP_KERNEL); in scsifront_alloc_ring()
711 if (!sring) { in scsifront_alloc_ring()
716 SHARED_RING_INIT(sring); in scsifront_alloc_ring()
717 FRONT_RING_INIT(&info->ring, sring, PAGE_SIZE); in scsifront_alloc_ring()
719 err = xenbus_grant_ring(dev, sring, 1, &gref); in scsifront_alloc_ring()
721 free_page((unsigned long)sring); in scsifront_alloc_ring()
756 (unsigned long)info->ring.sring); in scsifront_alloc_ring()
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| /Linux-v5.4/drivers/block/xen-blkback/ |
| D | xenbus.c | 197 struct blkif_sring *sring; in xen_blkif_map() local
198 sring = (struct blkif_sring *)ring->blk_ring; in xen_blkif_map()
199 BACK_RING_INIT(&ring->blk_rings.native, sring, in xen_blkif_map()
228 ring->blk_rings.common.sring = NULL; in xen_blkif_map()
268 if (ring->blk_rings.common.sring) { in xen_blkif_disconnect()
270 ring->blk_rings.common.sring = NULL; in xen_blkif_disconnect()
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| D | blkback.c | 1131 rp = blk_rings->common.sring->req_prod; in __do_block_io_op()
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| /Linux-v5.4/drivers/block/ |
| D | xen-blkfront.c | 1334 free_pages((unsigned long)rinfo->ring.sring, get_order(info->nr_ring_pages * XEN_PAGE_SIZE)); in blkif_free_ring()
1335 rinfo->ring.sring = NULL; in blkif_free_ring()
1561 rp = rinfo->ring.sring->rsp_prod; in blkif_interrupt()
1659 rinfo->ring.sring->rsp_event = i + 1; in blkif_interrupt()
1672 struct blkif_sring *sring; in setup_blkring() local
1681 sring = (struct blkif_sring *)__get_free_pages(GFP_NOIO | __GFP_HIGH, in setup_blkring()
1683 if (!sring) { in setup_blkring()
1687 SHARED_RING_INIT(sring); in setup_blkring()
1688 FRONT_RING_INIT(&rinfo->ring, sring, ring_size); in setup_blkring()
1690 err = xenbus_grant_ring(dev, rinfo->ring.sring, info->nr_ring_pages, gref); in setup_blkring()
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| /Linux-v5.4/drivers/xen/ |
| D | pvcalls-front.c | 1119 kfree(bedata->ring.sring); in pvcalls_front_remove()
1134 struct xen_pvcalls_sring *sring; in pvcalls_front_probe() local
1177 sring = (struct xen_pvcalls_sring *) __get_free_page(GFP_KERNEL | in pvcalls_front_probe()
1179 if (!sring) in pvcalls_front_probe()
1181 SHARED_RING_INIT(sring); in pvcalls_front_probe()
1182 FRONT_RING_INIT(&bedata->ring, sring, XEN_PAGE_SIZE); in pvcalls_front_probe()
1204 virt_to_gfn((void *)sring), 0); in pvcalls_front_probe()
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| D | pvcalls-back.c | 40 struct xen_pvcalls_sring *sring; member
945 (void **)&fedata->sring); in backend_connect()
949 BACK_RING_INIT(&fedata->ring, fedata->sring, XEN_PAGE_SIZE * 1); in backend_connect()
966 if (fedata->sring != NULL) in backend_connect()
967 xenbus_unmap_ring_vfree(dev, fedata->sring); in backend_connect()
1005 xenbus_unmap_ring_vfree(dev, fedata->sring); in backend_disconnect()
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| D | xen-scsiback.c | 590 xenbus_unmap_ring_vfree(info->dev, info->ring.sring); in scsiback_disconnect()
735 rp = ring->sring->req_prod; in scsiback_do_cmd_fn()
819 struct vscsiif_sring *sring; in scsiback_init_sring() local
829 sring = (struct vscsiif_sring *)area; in scsiback_init_sring()
830 BACK_RING_INIT(&info->ring, sring, PAGE_SIZE); in scsiback_init_sring()
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| /Linux-v5.4/drivers/net/ |
| D | xen-netfront.c | 362 queue->rx.sring->rsp_event = queue->rx.rsp_cons + 1; in xennet_open()
384 prod = queue->tx.sring->rsp_prod; in xennet_tx_buf_gc()
1008 rp = queue->rx.sring->rsp_prod; in xennet_poll()
1415 xennet_end_access(queue->tx_ring_ref, queue->tx.sring); in xennet_disconnect_backend()
1416 xennet_end_access(queue->rx_ring_ref, queue->rx.sring); in xennet_disconnect_backend()
1420 queue->tx.sring = NULL; in xennet_disconnect_backend()
1421 queue->rx.sring = NULL; in xennet_disconnect_backend()
1542 queue->rx.sring = NULL; in setup_netfront()
1543 queue->tx.sring = NULL; in setup_netfront()
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