1 /* $OpenBSD: msivar.h,v 1.2 2020/06/23 01:21:29 jmatthew Exp $ */ 2 /* 3 * Copyright (c) 2011 Mark Kettenis <kettenis@openbsd.org> 4 * 5 * Permission to use, copy, modify, and distribute this software for any 6 * purpose with or without fee is hereby granted, provided that the above 7 * copyright notice and this permission notice appear in all copies. 8 * 9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16 */ 17 18 struct msi_eq *msi_eq_alloc(bus_dma_tag_t, int, int); 19 size_t msi_eq_offset(struct msi_eq *, int); 20 void msi_eq_free(bus_dma_tag_t t, struct msi_eq *); 21 22 struct msi_eq { 23 bus_dmamap_t meq_map; 24 bus_dma_segment_t meq_seg; 25 caddr_t meq_va; 26 size_t meq_queuesize; 27 int meq_nentries; 28 int meq_nqueues; 29 }; 30