freebsd-skq/sys/dev/mlx/mlx_compat.h
phk e01fc931cf Centralize the devstat handling for all GEOM disk device drivers
in geom_disk.c.

As a side effect this makes a lot of #include <sys/devicestat.h>
lines not needed and some biofinish() calls can be reduced to
biodone() again.
2003-03-08 08:01:31 +00:00

78 lines
3.5 KiB
C

/*-
* Copyright (c) 2000, 2001 Michael Smith
* Copyright (c) 2000 BSDi
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
/*
* Portability and compatibility interfaces.
*/
#if __FreeBSD_version < 500003
# include <machine/clock.h>
# define INTR_ENTROPY 0
# include <sys/buf.h> /* old buf style */
typedef struct buf mlx_bio;
typedef struct buf_queue_head mlx_bioq;
# define MLX_BIO_QINIT(bq) bufq_init(&bq);
# define MLX_BIO_QINSERT(bq, bp) bufq_insert_tail(&bq, bp)
# define MLX_BIO_QFIRST(bq) bufq_first(&bq)
# define MLX_BIO_QREMOVE(bq, bp) bufq_remove(&bq, bp)
# define MLX_BIO_IS_READ(bp) ((bp)->b_flags & B_READ)
# define MLX_BIO_DATA(bp) (bp)->b_data
# define MLX_BIO_LENGTH(bp) (bp)->b_bcount
# define MLX_BIO_LBA(bp) (bp)->b_pblkno
# define MLX_BIO_SOFTC(bp) (bp)->b_dev->si_drv1
# define MLX_BIO_UNIT(bp) *(int *)((bp)->b_dev->si_drv2)
# define MLX_BIO_SET_ERROR(bp, err) do { (bp)->b_error = err; (bp)->b_flags |= B_ERROR;} while(0)
# define MLX_BIO_HAS_ERROR(bp) ((bp)->b_flags & B_ERROR)
# define MLX_BIO_RESID(bp) (bp)->b_resid
# define MLX_BIO_DONE(bp) biodone(bp)
# define MLX_BIO_STATS_START(bp) devstat_start_transaction(&((struct mlxd_softc *)MLX_BIO_SOFTC(bp))->mlxd_stats)
# define MLX_BIO_STATS_END(bp) devstat_end_transaction_buf(&((struct mlxd_softc *)MLX_BIO_SOFTC(bp))->mlxd_stats, bp)
#else
# include <sys/bio.h>
typedef struct bio mlx_bio;
typedef struct bio_queue_head mlx_bioq;
# define MLX_BIO_QINIT(bq) bioq_init(&bq);
# define MLX_BIO_QINSERT(bq, bp) bioq_insert_tail(&bq, bp)
# define MLX_BIO_QFIRST(bq) bioq_first(&bq)
# define MLX_BIO_QREMOVE(bq, bp) bioq_remove(&bq, bp)
# define MLX_BIO_IS_READ(bp) ((bp)->bio_cmd == BIO_READ)
# define MLX_BIO_DATA(bp) (bp)->bio_data
# define MLX_BIO_LENGTH(bp) (bp)->bio_bcount
# define MLX_BIO_LBA(bp) (bp)->bio_pblkno
# define MLX_BIO_SOFTC(bp) (bp)->bio_disk->d_drv1
# define MLX_BIO_UNIT(bp) (bp)->bio_disk->d_unit
# define MLX_BIO_SET_ERROR(bp, err) do { (bp)->bio_error = err; (bp)->bio_flags |= BIO_ERROR;} while(0)
# define MLX_BIO_HAS_ERROR(bp) ((bp)->bio_flags & BIO_ERROR)
# define MLX_BIO_RESID(bp) (bp)->bio_resid
# define MLX_BIO_DONE(bp) biodone(bp) /* XXX nice to integrate bio_finish here */
# define MLX_BIO_STATS_START(bp)
# define MLX_BIO_STATS_END(bp)
#endif