95 lines
2.9 KiB
C
95 lines
2.9 KiB
C
/* $NetBSD: dmover_io.h,v 1.3 2005/12/11 12:21:20 christos Exp $ */
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/*
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* Copyright (c) 2002, 2003 Wasabi Systems, Inc.
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* All rights reserved.
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*
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* Written by Jason R. Thorpe for Wasabi Systems, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed for the NetBSD Project by
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* Wasabi Systems, Inc.
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* 4. The name of Wasabi Systems, Inc. may not be used to endorse
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* or promote products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _DMOVER_DMOVER_IO_H_
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#define _DMOVER_DMOVER_IO_H_
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#include <sys/ioccom.h>
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#include <sys/uio.h>
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typedef struct {
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struct iovec *dmbuf_iov;
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u_int dmbuf_iovcnt;
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} dmio_buffer;
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/*
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* dmio_usrreq:
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*
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* Request structure passed from user-space.
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*/
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struct dmio_usrreq {
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/* Output buffer. */
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dmio_buffer req_outbuf;
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/*
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* General purpose immediate value. Can be used as an
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* input, output, or both, depending on the function.
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* The output is transmitted via the usrresp structure.
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*/
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uint8_t req_immediate[8];
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/* Input buffer. */
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dmio_buffer *req_inbuf;
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uint32_t req_id; /* request ID; passed in response */
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};
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/*
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* dmio_usrresp:
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*
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* Response structure passed to user-space.
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*/
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struct dmio_usrresp {
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uint32_t resp_id; /* request ID */
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int resp_error; /* error, 0 if success */
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uint8_t resp_immediate[8];
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};
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/*
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* DMIO_SETFUNC:
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*
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* Ioctl to set the function type for the session.
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*/
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#define DMIO_SETFUNC _IOW('D', 0, struct dmio_setfunc)
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#define DMIO_MAX_FUNCNAME 64
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struct dmio_setfunc {
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char dsf_name[DMIO_MAX_FUNCNAME];
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};
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#endif /* _DMOVER_DMOVER_IO_H_ */
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