1*1d9e937eSjmatthew /* $OpenBSD: msivar.h,v 1.2 2020/06/23 01:21:29 jmatthew Exp $ */ 2501210acSkettenis /* 3501210acSkettenis * Copyright (c) 2011 Mark Kettenis <kettenis@openbsd.org> 4501210acSkettenis * 5501210acSkettenis * Permission to use, copy, modify, and distribute this software for any 6501210acSkettenis * purpose with or without fee is hereby granted, provided that the above 7501210acSkettenis * copyright notice and this permission notice appear in all copies. 8501210acSkettenis * 9501210acSkettenis * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10501210acSkettenis * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11501210acSkettenis * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12501210acSkettenis * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13501210acSkettenis * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14501210acSkettenis * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15501210acSkettenis * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16501210acSkettenis */ 17501210acSkettenis 18*1d9e937eSjmatthew struct msi_eq *msi_eq_alloc(bus_dma_tag_t, int, int); 19*1d9e937eSjmatthew size_t msi_eq_offset(struct msi_eq *, int); 20501210acSkettenis void msi_eq_free(bus_dma_tag_t t, struct msi_eq *); 21501210acSkettenis 22501210acSkettenis struct msi_eq { 23501210acSkettenis bus_dmamap_t meq_map; 24501210acSkettenis bus_dma_segment_t meq_seg; 25501210acSkettenis caddr_t meq_va; 26*1d9e937eSjmatthew size_t meq_queuesize; 27501210acSkettenis int meq_nentries; 28*1d9e937eSjmatthew int meq_nqueues; 29501210acSkettenis }; 30