1 /* $NetBSD: dmover_io.h,v 1.4 2017/10/28 06:27:32 riastradh 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/types.h> 42 #include <sys/ioccom.h> 43 #include <sys/uio.h> 44 45 typedef struct { 46 struct iovec *dmbuf_iov; 47 u_int dmbuf_iovcnt; 48 } dmio_buffer; 49 50 /* 51 * dmio_usrreq: 52 * 53 * Request structure passed from user-space. 54 */ 55 struct dmio_usrreq { 56 /* Output buffer. */ 57 dmio_buffer req_outbuf; 58 59 /* 60 * General purpose immediate value. Can be used as an 61 * input, output, or both, depending on the function. 62 * The output is transmitted via the usrresp structure. 63 */ 64 uint8_t req_immediate[8]; 65 66 /* Input buffer. */ 67 dmio_buffer *req_inbuf; 68 69 uint32_t req_id; /* request ID; passed in response */ 70 }; 71 72 /* 73 * dmio_usrresp: 74 * 75 * Response structure passed to user-space. 76 */ 77 struct dmio_usrresp { 78 uint32_t resp_id; /* request ID */ 79 int resp_error; /* error, 0 if success */ 80 uint8_t resp_immediate[8]; 81 }; 82 83 /* 84 * DMIO_SETFUNC: 85 * 86 * Ioctl to set the function type for the session. 87 */ 88 #define DMIO_SETFUNC _IOW('D', 0, struct dmio_setfunc) 89 90 #define DMIO_MAX_FUNCNAME 64 91 struct dmio_setfunc { 92 char dsf_name[DMIO_MAX_FUNCNAME]; 93 }; 94 95 #endif /* _DMOVER_DMOVER_IO_H_ */ 96