NetBSD/sys/dev/scsipi/scsipi_base.h

81 lines
3.1 KiB
C

/* $NetBSD: scsipi_base.h,v 1.21 2006/11/16 01:33:26 christos Exp $ */
/*-
* Copyright (c) 1998, 2004 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Charles M. Hannum.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _DEV_SCSIPI_SCSIPI_BASE_H_
#define _DEV_SCSIPI_SCSIPI_BASE_H_
struct scsipi_xfer *scsipi_get_xs(struct scsipi_periph *, int);
void scsipi_put_xs(struct scsipi_xfer *);
static __inline struct scsipi_xfer *scsipi_make_xs(struct scsipi_periph *,
struct scsipi_generic *, int cmdlen, u_char *data_addr,
int datalen, int retries, int timeout, struct buf *,
int flags) __unused;
/*
* Make a scsipi_xfer, and return a pointer to it.
*/
static __inline struct scsipi_xfer *
scsipi_make_xs(struct scsipi_periph *periph, struct scsipi_generic *cmd,
int cmdlen, u_char *data_addr, int datalen, int retries, int timeout,
struct buf *bp, int flags)
{
struct scsipi_xfer *xs;
if ((xs = scsipi_get_xs(periph, flags)) == NULL)
return (NULL);
/*
* Fill out the scsipi_xfer structure. We don't know whose context
* the cmd is in, so copy it.
*/
memcpy(&xs->cmdstore, cmd, cmdlen);
xs->cmd = &xs->cmdstore;
xs->cmdlen = cmdlen;
xs->data = data_addr;
xs->datalen = datalen;
xs->xs_retries = retries;
xs->timeout = timeout;
xs->bp = bp;
return (xs);
}
#endif /* _DEV_SCSIPI_SCSIPI_BASE_H_ */