1 /* $NetBSD: dmover_io.h,v 1.3 2005/12/11 12:21:20 christos Exp $ */ 2 3 /* 4 * Copyright (c) 2002, 2003 Wasabi Systems, Inc. 5 * All rights reserved. 6 * 7 * Written by Jason R. Thorpe for Wasabi Systems, Inc. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed for the NetBSD Project by 20 * Wasabi Systems, Inc. 21 * 4. The name of Wasabi Systems, Inc. may not be used to endorse 22 * or promote products derived from this software without specific prior 23 * written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND 26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 27 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 28 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC 29 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 35 * POSSIBILITY OF SUCH DAMAGE. 36 */ 37 38 #ifndef _DMOVER_DMOVER_IO_H_ 39 #define _DMOVER_DMOVER_IO_H_ 40 41 #include <sys/ioccom.h> 42 #include <sys/uio.h> 43 44 typedef struct { 45 struct iovec *dmbuf_iov; 46 u_int dmbuf_iovcnt; 47 } dmio_buffer; 48 49 /* 50 * dmio_usrreq: 51 * 52 * Request structure passed from user-space. 53 */ 54 struct dmio_usrreq { 55 /* Output buffer. */ 56 dmio_buffer req_outbuf; 57 58 /* 59 * General purpose immediate value. Can be used as an 60 * input, output, or both, depending on the function. 61 * The output is transmitted via the usrresp structure. 62 */ 63 uint8_t req_immediate[8]; 64 65 /* Input buffer. */ 66 dmio_buffer *req_inbuf; 67 68 uint32_t req_id; /* request ID; passed in response */ 69 }; 70 71 /* 72 * dmio_usrresp: 73 * 74 * Response structure passed to user-space. 75 */ 76 struct dmio_usrresp { 77 uint32_t resp_id; /* request ID */ 78 int resp_error; /* error, 0 if success */ 79 uint8_t resp_immediate[8]; 80 }; 81 82 /* 83 * DMIO_SETFUNC: 84 * 85 * Ioctl to set the function type for the session. 86 */ 87 #define DMIO_SETFUNC _IOW('D', 0, struct dmio_setfunc) 88 89 #define DMIO_MAX_FUNCNAME 64 90 struct dmio_setfunc { 91 char dsf_name[DMIO_MAX_FUNCNAME]; 92 }; 93 94 #endif /* _DMOVER_DMOVER_IO_H_ */ 95