1 /*-
2 * Copyright (c) 2000 Michael Smith
3 * Copyright (c) 2000 BSDi
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 *
27 * Copyright (c) 2002 Eric Moore
28 * Copyright (c) 2002 LSI Logic Corporation
29 * All rights reserved.
30 *
31 * Redistribution and use in source and binary forms, with or without
32 * modification, are permitted provided that the following conditions
33 * are met:
34 * 1. Redistributions of source code must retain the above copyright
35 * notice, this list of conditions and the following disclaimer.
36 * 2. Redistributions in binary form must reproduce the above copyright
37 * notice, this list of conditions and the following disclaimer in the
38 * documentation and/or other materials provided with the distribution.
39 * 3. The party using or redistributing the source code and binary forms
40 * agrees to the disclaimer below and the terms and conditions set forth
41 * herein.
42 *
43 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
44 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
45 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
46 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
47 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
48 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
49 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
50 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
51 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
52 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
53 * SUCH DAMAGE.
54 *
55 *
56 * $FreeBSD$
57 */
58 /*
59 * Backwards compatibility support.
60 */
61
62 #if __FreeBSD_version < 500003 /* old buf style */
63 # include <sys/buf.h>
64 # include <machine/clock.h>
65 # define INTR_ENTROPY 0
66
67 # define FREEBSD_4
68 # define bio buf
69 # define bioq_init(x) bufq_init(x)
70 # define bioq_insert_tail(x, y) bufq_insert_tail(x, y)
71 # define bioq_remove(x, y) bufq_remove(x, y)
72 # define bioq_first(x) bufq_first(x)
73 # define bio_queue_head buf_queue_head
74 # define bio_bcount b_bcount
75 # define bio_blkno b_blkno
76 # define bio_caller1 b_caller1
77 # define bio_data b_data
78 # define bio_dev b_dev
79 # define bio_driver1 b_driver1
80 # define bio_driver2 b_driver2
81 # define bio_error b_error
82 # define bio_flags b_flags
83 # define bio_pblkno b_pblkno
84 # define bio_resid b_resid
85 # define BIO_ERROR B_ERROR
86 # define devstat_end_transaction_bio(x, y) devstat_end_transaction_buf(x, y)
87 # define BIO_IS_READ(x) ((x)->b_flags & B_READ)
88 # define AMR_BIO_FINISH(x) devstat_end_transaction_bio(&sc->amrd_stats, x);\
89 biodone(x)
90
91 #else
92 # include <sys/bio.h>
93 # define BIO_IS_READ(x) ((x)->bio_cmd == BIO_READ)
94 # define AMR_BIO_FINISH(x) biodone(x)
95 #endif
96
97 /************************************************************************
98 * Compatibility with older versions of FreeBSD
99 */
100 #if __FreeBSD_version < 440001
101 typedef struct proc d_thread_t;
102 #define M_ZERO 0x0008 /* bzero the allocation */
103 #endif
104
105
106 #ifndef __packed
107 #define __packed __attribute__ ((packed))
108 #endif
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