The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/dev/mlx/mlx_compat.h

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    1 /*-
    2  * Copyright (c) 2000, 2001 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  * $FreeBSD: releng/8.3/sys/dev/mlx/mlx_compat.h 111979 2003-03-08 08:01:31Z phk $
   28  */
   29 /*
   30  * Portability and compatibility interfaces.
   31  */
   32 
   33 #if __FreeBSD_version < 500003
   34 # include <machine/clock.h>
   35 # define INTR_ENTROPY                   0
   36 
   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)
   56 #else
   57 # include <sys/bio.h>
   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)
   76 #endif
   77 

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