1 /* $NetBSD: bus.h,v 1.6 2015/06/03 13:55:42 pooka Exp $ */ 2 3 /* 4 * Copyright (c) 2010 Antti Kantee. All Rights Reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 16 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 17 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 18 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 21 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28 #ifndef _SYS_RUMP_BUS_H_ 29 #define _SYS_RUMP_BUS_H_ 30 31 /* 32 * This is a blanket header since archs are inline/macro-happy. 33 * 34 * XXX: this file should NOT exist here 35 */ 36 37 /* bus space defs */ 38 typedef unsigned long bus_addr_t; 39 typedef unsigned long bus_size_t; 40 typedef unsigned long bus_space_tag_t; 41 typedef unsigned long bus_space_handle_t; 42 43 /* bus dma defs */ 44 typedef void *bus_dma_tag_t; 45 #define BUS_DMA_TAG_VALID(_tag_) ((_tag_) != NULL) 46 47 typedef struct { 48 bus_addr_t ds_addr; 49 bus_size_t ds_len; 50 vaddr_t _ds_vacookie; 51 bus_size_t _ds_sizecookie; 52 } bus_dma_segment_t; 53 54 typedef struct { 55 bus_size_t _dm_size; 56 int _dm_segcnt; 57 bus_size_t _dm_maxmaxsegsz; 58 bus_size_t _dm_boundary; 59 bus_addr_t _dm_bounce_thresh; 60 int _dm_flags; 61 void *_dm_cookie; 62 63 bus_size_t dm_maxsegsz; 64 bus_size_t dm_mapsize; 65 int dm_nsegs; 66 bus_dma_segment_t dm_segs[1]; 67 } *bus_dmamap_t; 68 69 #include <sys/bus_proto.h> 70 71 #endif /* _SYS_RUMP_BUS_H_ */ 72