2 * Copyright (c) 2000, 2001 Michael Smith
3 * Copyright (c) 2000 BSDi
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
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.
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
30 * Portability and compatibility interfaces.
33 #if __FreeBSD_version < 500003
34 # include <machine/clock.h>
35 # define INTR_ENTROPY 0
37 # include <sys/buf.h> /* old buf style */
38 typedef struct buf mlx_bio;
39 typedef struct buf_queue_head mlx_bioq;
40 # define MLX_BIO_QINIT(bq) bufq_init(&bq);
41 # define MLX_BIO_QINSERT(bq, bp) bufq_insert_tail(&bq, bp)
42 # define MLX_BIO_QFIRST(bq) bufq_first(&bq)
43 # define MLX_BIO_QREMOVE(bq, bp) bufq_remove(&bq, bp)
44 # define MLX_BIO_IS_READ(bp) ((bp)->b_flags & B_READ)
45 # define MLX_BIO_DATA(bp) (bp)->b_data
46 # define MLX_BIO_LENGTH(bp) (bp)->b_bcount
47 # define MLX_BIO_LBA(bp) (bp)->b_pblkno
48 # define MLX_BIO_SOFTC(bp) (bp)->b_dev->si_drv1
49 # define MLX_BIO_UNIT(bp) *(int *)((bp)->b_dev->si_drv2)
50 # define MLX_BIO_SET_ERROR(bp, err) do { (bp)->b_error = err; (bp)->b_flags |= B_ERROR;} while(0)
51 # define MLX_BIO_HAS_ERROR(bp) ((bp)->b_flags & B_ERROR)
52 # define MLX_BIO_RESID(bp) (bp)->b_resid
53 # define MLX_BIO_DONE(bp) biodone(bp)
54 # define MLX_BIO_STATS_START(bp) devstat_start_transaction(&((struct mlxd_softc *)MLX_BIO_SOFTC(bp))->mlxd_stats)
55 # define MLX_BIO_STATS_END(bp) devstat_end_transaction_buf(&((struct mlxd_softc *)MLX_BIO_SOFTC(bp))->mlxd_stats, bp)
58 typedef struct bio mlx_bio;
59 typedef struct bio_queue_head mlx_bioq;
60 # define MLX_BIO_QINIT(bq) bioq_init(&bq);
61 # define MLX_BIO_QINSERT(bq, bp) bioq_insert_tail(&bq, bp)
62 # define MLX_BIO_QFIRST(bq) bioq_first(&bq)
63 # define MLX_BIO_QREMOVE(bq, bp) bioq_remove(&bq, bp)
64 # define MLX_BIO_IS_READ(bp) ((bp)->bio_cmd == BIO_READ)
65 # define MLX_BIO_DATA(bp) (bp)->bio_data
66 # define MLX_BIO_LENGTH(bp) (bp)->bio_bcount
67 # define MLX_BIO_LBA(bp) (bp)->bio_pblkno
68 # define MLX_BIO_SOFTC(bp) (bp)->bio_disk->d_drv1
69 # define MLX_BIO_UNIT(bp) (bp)->bio_disk->d_unit
70 # define MLX_BIO_SET_ERROR(bp, err) do { (bp)->bio_error = err; (bp)->bio_flags |= BIO_ERROR;} while(0)
71 # define MLX_BIO_HAS_ERROR(bp) ((bp)->bio_flags & BIO_ERROR)
72 # define MLX_BIO_RESID(bp) (bp)->bio_resid
73 # define MLX_BIO_DONE(bp) biodone(bp) /* XXX nice to integrate bio_finish here */
74 # define MLX_BIO_STATS_START(bp)
75 # define MLX_BIO_STATS_END(bp)