scsipi_base.h revision 1.12 1 /* $NetBSD: scsipi_base.h,v 1.12 2001/07/18 18:25:41 thorpej Exp $ */
2
3 /*-
4 * Copyright (c) 1998 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Charles M. Hannum.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed by the NetBSD
21 * Foundation, Inc. and its contributors.
22 * 4. Neither the name of The NetBSD Foundation nor the names of its
23 * contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 * POSSIBILITY OF SUCH DAMAGE.
37 */
38
39 struct scsipi_xfer *scsipi_get_xs __P((struct scsipi_periph *, int));
40 void scsipi_put_xs __P((struct scsipi_xfer *));
41
42 static __inline struct scsipi_xfer *scsipi_make_xs __P((struct scsipi_periph *,
43 struct scsipi_generic *, int cmdlen, u_char *data_addr,
44 int datalen, int retries, int timeout, struct buf *,
45 int flags)) __attribute__ ((__unused__));
46
47 /*
48 * Make a scsipi_xfer, and return a pointer to it.
49 */
50
51 static __inline struct scsipi_xfer *
52 scsipi_make_xs(periph, scsipi_cmd, cmdlen, data_addr, datalen,
53 retries, timeout, bp, flags)
54 struct scsipi_periph *periph;
55 struct scsipi_generic *scsipi_cmd;
56 int cmdlen;
57 u_char *data_addr;
58 int datalen;
59 int retries;
60 int timeout;
61 struct buf *bp;
62 int flags;
63 {
64 struct scsipi_xfer *xs;
65
66 if ((xs = scsipi_get_xs(periph, flags)) == NULL)
67 return (NULL);
68
69 /*
70 * Fill out the scsipi_xfer structure. We don't know whose context
71 * the cmd is in, so copy it.
72 */
73 memcpy(&xs->cmdstore, scsipi_cmd, cmdlen);
74 xs->cmd = &xs->cmdstore;
75 xs->cmdlen = cmdlen;
76 xs->data = data_addr;
77 xs->datalen = datalen;
78 xs->xs_retries = retries;
79 xs->timeout = timeout;
80 xs->bp = bp;
81
82 return (xs);
83 }
84