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Diffstat (limited to 'sys/dev/aac/aac_compat.h')
| -rw-r--r-- | sys/dev/aac/aac_compat.h | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/sys/dev/aac/aac_compat.h b/sys/dev/aac/aac_compat.h new file mode 100644 index 0000000..ef61c0a --- /dev/null +++ b/sys/dev/aac/aac_compat.h @@ -0,0 +1,64 @@ +/*- + * Copyright (c) 2000 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. + * + * $FreeBSD$ + */ +/* + * Backwards compatibility support. + */ + +/* + * Handle the new/old bio/buf changeover + */ + +#if __FreeBSD_version < 500003 /* old buf style */ +#include <sys/buf.h> +#define FREEBSD_4 +#define bio buf +#define bioq_init(x) bufq_init(x) +#define bioq_insert_tail(x, y) bufq_insert_tail(x, y) +#define bioq_remove(x, y) bufq_remove(x, y) +#define bioq_first(x) bufq_first(x) +#define bio_queue_head buf_queue_head +#define bio_bcount b_bcount +#define bio_blkno b_blkno +#define bio_caller1 b_caller1 +#define bio_data b_data +#define bio_dev b_dev +#define bio_driver1 b_driver1 +#define bio_driver2 b_driver2 +#define bio_error b_error +#define bio_flags b_flags +#define bio_pblkno b_pblkno +#define bio_resid b_resid +#define BIO_ERROR B_ERROR +#define devstat_end_transaction_bio(x, y) devstat_end_transaction_buf(x, y) +#define BIO_IS_READ(x) ((x)->b_flags & B_READ) + +#else /* new bio style */ +#include <sys/bio.h> +#define BIO_IS_READ(x) ((x)->bio_cmd == BIO_READ) +#endif |
