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dmover_io.h revision 1.1 
      1 /*	$NetBSD: dmover_io.h,v 1.1 2002/08/02 00:30:38 thorpej Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 2002 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 	/* Input buffer. */
     59 	union {
     60 		uint8_t _immediate[8];
     61 		dmio_buffer *_inbuf;
     62 	} _req_inbuf_un;
     63 
     64 #define	req_immediate		_req_inbuf_un._immediate
     65 #define	req_inbuf		_req_inbuf_un._inbuf
     66 
     67 	uint32_t req_id;	/* request ID; passed in response */
     68 };
     69 
     70 /*
     71  * dmio_usrresp:
     72  *
     73  *	Response structure passed to user-space.
     74  */
     75 struct dmio_usrresp {
     76 	uint32_t resp_id;	/* request ID */
     77 	int resp_error;		/* error, 0 if success */
     78 };
     79 
     80 /*
     81  * DMIO_SETFUNC:
     82  *
     83  *	Ioctl to set the function type for the session.
     84  */
     85 #define	DMIO_SETFUNC		 _IOW('D', 0, struct dmio_setfunc)
     86 
     87 #define	DMIO_MAX_FUNCNAME	64
     88 struct dmio_setfunc {
     89 	char dsf_name[DMIO_MAX_FUNCNAME];
     90 };
     91 
     92 #endif /* _DMOVER_DMOVER_IO_H_ */
     93