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scsipi_base.h revision 1.22
      1  1.22    martin /*	$NetBSD: scsipi_base.h,v 1.22 2008/04/28 20:23:58 martin Exp $	*/
      2   1.2    bouyer 
      3   1.8   mycroft /*-
      4  1.15   mycroft  * Copyright (c) 1998, 2004 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  *
     19   1.8   mycroft  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20   1.8   mycroft  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21   1.8   mycroft  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22   1.8   mycroft  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23   1.8   mycroft  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24   1.8   mycroft  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25   1.8   mycroft  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26   1.8   mycroft  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27   1.8   mycroft  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28   1.8   mycroft  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29   1.8   mycroft  * POSSIBILITY OF SUCH DAMAGE.
     30   1.2    bouyer  */
     31   1.2    bouyer 
     32  1.13      matt #ifndef _DEV_SCSIPI_SCSIPI_BASE_H_
     33  1.13      matt #define _DEV_SCSIPI_SCSIPI_BASE_H_
     34  1.13      matt 
     35  1.14   thorpej struct scsipi_xfer *scsipi_get_xs(struct scsipi_periph *, int);
     36  1.14   thorpej void	scsipi_put_xs(struct scsipi_xfer *);
     37   1.2    bouyer 
     38  1.20     perry static __inline struct scsipi_xfer *scsipi_make_xs(struct scsipi_periph *,
     39  1.17   reinoud 	    struct scsipi_generic *, int cmdlen, u_char *data_addr,
     40   1.3       cgd 	    int datalen, int retries, int timeout, struct buf *,
     41  1.14   thorpej 	    int flags) __unused;
     42   1.2    bouyer 
     43   1.2    bouyer /*
     44   1.2    bouyer  * Make a scsipi_xfer, and return a pointer to it.
     45   1.2    bouyer  */
     46   1.2    bouyer 
     47  1.21  christos static __inline struct scsipi_xfer *
     48  1.15   mycroft scsipi_make_xs(struct scsipi_periph *periph, struct scsipi_generic *cmd,
     49  1.17   reinoud     int cmdlen, u_char *data_addr, int datalen, int retries, int timeout,
     50  1.14   thorpej     struct buf *bp, int flags)
     51   1.2    bouyer {
     52   1.2    bouyer 	struct scsipi_xfer *xs;
     53   1.2    bouyer 
     54  1.11    bouyer 	if ((xs = scsipi_get_xs(periph, flags)) == NULL)
     55   1.4     enami 		return (NULL);
     56   1.2    bouyer 
     57   1.2    bouyer 	/*
     58   1.2    bouyer 	 * Fill out the scsipi_xfer structure.  We don't know whose context
     59   1.2    bouyer 	 * the cmd is in, so copy it.
     60   1.2    bouyer 	 */
     61  1.15   mycroft 	memcpy(&xs->cmdstore, cmd, cmdlen);
     62   1.2    bouyer 	xs->cmd = &xs->cmdstore;
     63   1.2    bouyer 	xs->cmdlen = cmdlen;
     64   1.2    bouyer 	xs->data = data_addr;
     65   1.2    bouyer 	xs->datalen = datalen;
     66  1.11    bouyer 	xs->xs_retries = retries;
     67   1.2    bouyer 	xs->timeout = timeout;
     68   1.2    bouyer 	xs->bp = bp;
     69   1.2    bouyer 
     70   1.4     enami 	return (xs);
     71   1.2    bouyer }
     72  1.13      matt 
     73  1.13      matt #endif /* _DEV_SCSIPI_SCSIPI_BASE_H_ */
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