84 lines
3.0 KiB
C
84 lines
3.0 KiB
C
/* $NetBSD: scsipi_base.h,v 1.7 1998/02/13 08:28:49 enami Exp $ */
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/*
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* Copyright (c) 1994, 1995, 1997 Charles M. Hannum. All rights reserved.
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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 by Charles M. Hannum.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Originally written by Julian Elischer (julian@dialix.oz.au)
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*/
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extern LIST_HEAD(xs_free_list, scsipi_xfer) xs_free_list;
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struct scsipi_xfer *scsipi_get_xs __P((struct scsipi_link *, int));
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void scsipi_free_xs __P((struct scsipi_xfer *, int));
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static __inline struct scsipi_xfer *scsipi_make_xs __P((struct scsipi_link *,
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struct scsipi_generic *, int cmdlen, u_char *data_addr,
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int datalen, int retries, int timeout, struct buf *,
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int flags)) __attribute__ ((unused));
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/*
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* Make a scsipi_xfer, and return a pointer to it.
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*/
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static __inline struct scsipi_xfer *
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scsipi_make_xs(sc_link, scsipi_cmd, cmdlen, data_addr, datalen,
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retries, timeout, bp, flags)
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struct scsipi_link *sc_link;
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struct scsipi_generic *scsipi_cmd;
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int cmdlen;
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u_char *data_addr;
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int datalen;
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int retries;
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int timeout;
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struct buf *bp;
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int flags;
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{
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struct scsipi_xfer *xs;
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if ((xs = scsipi_get_xs(sc_link, flags)) == NULL)
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return (NULL);
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/*
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* Fill out the scsipi_xfer structure. We don't know whose context
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* the cmd is in, so copy it.
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*/
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xs->sc_link = sc_link;
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bcopy(scsipi_cmd, &xs->cmdstore, cmdlen);
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xs->cmd = &xs->cmdstore;
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xs->cmdlen = cmdlen;
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xs->data = data_addr;
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xs->datalen = datalen;
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xs->retries = retries;
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xs->timeout = timeout;
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xs->bp = bp;
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return (xs);
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}
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