1 /* $NetBSD: scsipi_base.h,v 1.17 2005/02/01 00:19:34 reinoud Exp $ */
2
3 /*-
4 * Copyright (c) 1998, 2004 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 #ifndef _DEV_SCSIPI_SCSIPI_BASE_H_
40 #define _DEV_SCSIPI_SCSIPI_BASE_H_
41
42 struct scsipi_xfer *scsipi_get_xs(struct scsipi_periph *, int);
43 void scsipi_put_xs(struct scsipi_xfer *);
44
45 static __inline struct scsipi_xfer *scsipi_make_xs(struct scsipi_periph *,
46 struct scsipi_generic *, int cmdlen, u_char *data_addr,
47 int datalen, int retries, int timeout, struct buf *,
48 int flags) __unused;
49
50 /*
51 * Make a scsipi_xfer, and return a pointer to it.
52 */
53
54 static __inline struct scsipi_xfer * __unused
55 scsipi_make_xs(struct scsipi_periph *periph, struct scsipi_generic *cmd,
56 int cmdlen, u_char *data_addr, int datalen, int retries, int timeout,
57 struct buf *bp, int flags)
58 {
59 struct scsipi_xfer *xs;
60
61 if ((xs = scsipi_get_xs(periph, flags)) == NULL)
62 return (NULL);
63
64 /*
65 * Fill out the scsipi_xfer structure. We don't know whose context
66 * the cmd is in, so copy it.
67 */
68 memcpy(&xs->cmdstore, cmd, cmdlen);
69 xs->cmd = &xs->cmdstore;
70 xs->cmdlen = cmdlen;
71 xs->data = data_addr;
72 xs->datalen = datalen;
73 xs->xs_retries = retries;
74 xs->timeout = timeout;
75 xs->bp = bp;
76
77 return (xs);
78 }
79
80 #endif /* _DEV_SCSIPI_SCSIPI_BASE_H_ */
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