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scsipi_base.h revision 1.11 
      1  1.11   bouyer /*	$NetBSD: scsipi_base.h,v 1.11 2001/04/25 17:53:40 bouyer Exp $	*/
      2   1.2   bouyer 
      3   1.8  mycroft /*-
      4   1.8  mycroft  * Copyright (c) 1998 The NetBSD Foundation, Inc.
      5   1.8  mycroft  * All rights reserved.
      6   1.8  mycroft  *
      7   1.8  mycroft  * This code is derived from software contributed to The NetBSD Foundation
      8   1.8  mycroft  * by Charles M. Hannum.
      9   1.2   bouyer  *
     10   1.2   bouyer  * Redistribution and use in source and binary forms, with or without
     11   1.2   bouyer  * modification, are permitted provided that the following conditions
     12   1.2   bouyer  * are met:
     13   1.2   bouyer  * 1. Redistributions of source code must retain the above copyright
     14   1.2   bouyer  *    notice, this list of conditions and the following disclaimer.
     15   1.2   bouyer  * 2. Redistributions in binary form must reproduce the above copyright
     16   1.2   bouyer  *    notice, this list of conditions and the following disclaimer in the
     17   1.2   bouyer  *    documentation and/or other materials provided with the distribution.
     18   1.2   bouyer  * 3. All advertising materials mentioning features or use of this software
     19   1.2   bouyer  *    must display the following acknowledgement:
     20   1.8  mycroft  *        This product includes software developed by the NetBSD
     21   1.8  mycroft  *        Foundation, Inc. and its contributors.
     22   1.8  mycroft  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23   1.8  mycroft  *    contributors may be used to endorse or promote products derived
     24   1.8  mycroft  *    from this software without specific prior written permission.
     25   1.2   bouyer  *
     26   1.8  mycroft  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27   1.8  mycroft  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28   1.8  mycroft  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29   1.8  mycroft  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30   1.8  mycroft  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31   1.8  mycroft  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32   1.8  mycroft  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33   1.8  mycroft  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34   1.8  mycroft  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35   1.8  mycroft  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36   1.8  mycroft  * POSSIBILITY OF SUCH DAMAGE.
     37   1.2   bouyer  */
     38   1.2   bouyer 
     39  1.11   bouyer struct scsipi_xfer *scsipi_get_xs __P((struct scsipi_periph *, int));
     40  1.11   bouyer void	scsipi_put_xs __P((struct scsipi_xfer *));
     41   1.2   bouyer 
     42  1.11   bouyer static __inline struct scsipi_xfer *scsipi_make_xs __P((struct scsipi_periph *,
     43   1.3      cgd 	    struct scsipi_generic *, int cmdlen, u_char *data_addr,
     44   1.3      cgd 	    int datalen, int retries, int timeout, struct buf *,
     45  1.11   bouyer 	    int flags)) __attribute__ ((__unused__));
     46   1.2   bouyer 
     47   1.2   bouyer /*
     48   1.2   bouyer  * Make a scsipi_xfer, and return a pointer to it.
     49   1.2   bouyer  */
     50   1.2   bouyer 
     51   1.2   bouyer static __inline struct scsipi_xfer *
     52  1.11   bouyer scsipi_make_xs(periph, scsipi_cmd, cmdlen, data_addr, datalen,
     53   1.3      cgd     retries, timeout, bp, flags)
     54  1.11   bouyer 	struct scsipi_periph *periph;
     55   1.2   bouyer 	struct scsipi_generic *scsipi_cmd;
     56   1.2   bouyer 	int cmdlen;
     57   1.2   bouyer 	u_char *data_addr;
     58   1.2   bouyer 	int datalen;
     59   1.2   bouyer 	int retries;
     60   1.2   bouyer 	int timeout;
     61   1.2   bouyer 	struct buf *bp;
     62   1.2   bouyer 	int flags;
     63   1.2   bouyer {
     64   1.2   bouyer 	struct scsipi_xfer *xs;
     65   1.2   bouyer 
     66  1.11   bouyer 	if ((xs = scsipi_get_xs(periph, flags)) == NULL)
     67   1.4    enami 		return (NULL);
     68   1.2   bouyer 
     69   1.2   bouyer 	/*
     70   1.2   bouyer 	 * Fill out the scsipi_xfer structure.  We don't know whose context
     71   1.2   bouyer 	 * the cmd is in, so copy it.
     72   1.2   bouyer 	 */
     73   1.2   bouyer 	bcopy(scsipi_cmd, &xs->cmdstore, cmdlen);
     74   1.2   bouyer 	xs->cmd = &xs->cmdstore;
     75   1.2   bouyer 	xs->cmdlen = cmdlen;
     76   1.2   bouyer 	xs->data = data_addr;
     77   1.2   bouyer 	xs->datalen = datalen;
     78  1.11   bouyer 	xs->xs_retries = retries;
     79   1.2   bouyer 	xs->timeout = timeout;
     80   1.2   bouyer 	xs->bp = bp;
     81   1.2   bouyer 
     82   1.4    enami 	return (xs);
     83   1.2   bouyer }
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