1 /*- 2 * Copyright (c) 2014, 2015 Marcel Moolenaar 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 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 OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 * 26 * $FreeBSD$ 27 */ 28 29 #ifndef _DEV_PROTO_DEV_H_ 30 #define _DEV_PROTO_DEV_H_ 31 32 #include <sys/ioccom.h> 33 34 #define PROTO_IOC_CLASS 'h' 35 36 struct proto_ioc_region { 37 unsigned long address; 38 unsigned long size; 39 }; 40 41 #define PROTO_IOC_REGION _IOWR(PROTO_IOC_CLASS, 1, struct proto_ioc_region) 42 43 struct proto_ioc_busdma { 44 unsigned int request; 45 #define PROTO_IOC_BUSDMA_TAG_CREATE 1 46 #define PROTO_IOC_BUSDMA_TAG_DERIVE 2 47 #define PROTO_IOC_BUSDMA_TAG_DESTROY 3 48 #define PROTO_IOC_BUSDMA_MEM_ALLOC 10 49 #define PROTO_IOC_BUSDMA_MEM_FREE 11 50 #define PROTO_IOC_BUSDMA_MD_CREATE 20 51 #define PROTO_IOC_BUSDMA_MD_DESTROY 21 52 #define PROTO_IOC_BUSDMA_MD_LOAD 22 53 #define PROTO_IOC_BUSDMA_MD_UNLOAD 29 54 #define PROTO_IOC_BUSDMA_SYNC 30 55 unsigned long key; 56 union { 57 struct { 58 unsigned long align; 59 unsigned long bndry; 60 unsigned long maxaddr; 61 unsigned long maxsz; 62 unsigned long maxsegsz; 63 unsigned int nsegs; 64 unsigned int datarate; 65 unsigned int flags; 66 } tag; 67 struct { 68 unsigned long tag; 69 unsigned int flags; 70 unsigned long virt_addr; 71 unsigned long virt_size; 72 unsigned int phys_nsegs; 73 unsigned long phys_addr; 74 unsigned long bus_addr; 75 unsigned int bus_nsegs; 76 } md; 77 struct { 78 unsigned int op; 79 unsigned long base; 80 unsigned long size; 81 } sync; 82 } u; 83 unsigned long result; 84 }; 85 86 #define PROTO_IOC_BUSDMA _IOWR(PROTO_IOC_CLASS, 2, struct proto_ioc_busdma) 87 88 #endif /* _DEV_PROTO_H_ */ 89