1008     XHCIStreamContext *sctx;  in xhci_find_stream()  local
1018         sctx = epctx->pstreams + streamid;  in xhci_find_stream()
1025     if (sctx->sct == -1) {  in xhci_find_stream()
1026         xhci_dma_read_u32s(epctx->xhci, sctx->pctx, ctx, sizeof(ctx));  in xhci_find_stream()
1032         sctx->sct = sct;  in xhci_find_stream()
1034         xhci_ring_init(epctx->xhci, &sctx->ring, base);  in xhci_find_stream()
1036     return sctx;  in xhci_find_stream()
1040                               XHCIStreamContext *sctx, uint32_t state)  in xhci_set_ep_state()  argument
1052         if (sctx != NULL) {  in xhci_set_ep_state()
1053             ring = &sctx->ring;  in xhci_set_ep_state()
1054             xhci_dma_read_u32s(xhci, sctx->pctx, ctx2, sizeof(ctx2));  in xhci_set_ep_state()
1056             ctx2[0] |= sctx->ring.dequeue | sctx->ring.ccs;  in xhci_set_ep_state()
1057             ctx2[1] = (sctx->ring.dequeue >> 16) >> 16;  in xhci_set_ep_state()
1058             xhci_dma_write_u32s(xhci, sctx->pctx, ctx2, sizeof(ctx2));  in xhci_set_ep_state()
1396     XHCIStreamContext *sctx;  in xhci_set_ep_dequeue()  local
1425         sctx = xhci_find_stream(epctx, streamid, &err);  in xhci_set_ep_dequeue()
1426         if (sctx == NULL) {  in xhci_set_ep_dequeue()
1429         xhci_ring_init(xhci, &sctx->ring, dequeue & ~0xf);  in xhci_set_ep_dequeue()
1430         sctx->ring.ccs = dequeue & 1;  in xhci_set_ep_dequeue()
1432         sctx = NULL;  in xhci_set_ep_dequeue()
1437     xhci_set_ep_state(xhci, epctx, sctx, EP_STOPPED);  in xhci_set_ep_dequeue()
1574     XHCIStreamContext *sctx;  in xhci_stall_ep()  local
1582         sctx = xhci_find_stream(epctx, xfer->streamid, &err);  in xhci_stall_ep()
1583         if (sctx == NULL) {  in xhci_stall_ep()
1586         sctx->ring.dequeue = xfer->trbs[0].addr;  in xhci_stall_ep()
1587         sctx->ring.ccs = xfer->trbs[0].ccs;  in xhci_stall_ep()
1588         xhci_set_ep_state(xhci, epctx, sctx, EP_HALTED);  in xhci_stall_ep()