Lines Matching defs:usring
597 xpvtap_user_ring_t *usring;
623 usring = &state->bt_user_ring;
624 e = devmap_umem_setup(dhp, state->bt_dip, NULL, usring->ur_cookie, 0,
644 xpvtap_user_ring_t *usring;
667 usring = &state->bt_user_ring;
668 if (usring->ur_prod_polled != usring->ur_ring.req_prod_pvt) {
676 RING_PUSH_REQUESTS(&usring->ur_ring);
678 usring->ur_prod_polled = usring->ur_ring.sring->req_prod;
930 xpvtap_user_ring_t *usring;
933 usring = &state->bt_user_ring;
936 usring->ur_sring = (blkif_sring_t *)ddi_umem_alloc(PAGESIZE,
937 DDI_UMEM_SLEEP, &usring->ur_cookie);
938 SHARED_RING_INIT(usring->ur_sring);
939 FRONT_RING_INIT(&usring->ur_ring, usring->ur_sring, PAGESIZE);
940 usring->ur_prod_polled = 0;