diff options
Diffstat (limited to 'include/sys/vdev_disk.h')
| -rw-r--r-- | include/sys/vdev_disk.h | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/include/sys/vdev_disk.h b/include/sys/vdev_disk.h new file mode 100644 index 000000000..986c33624 --- /dev/null +++ b/include/sys/vdev_disk.h @@ -0,0 +1,97 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright (C) 2008-2010 Lawrence Livermore National Security, LLC. + * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). + * Written by Brian Behlendorf <[email protected]>. + * LLNL-CODE-403049. + */ + +#ifndef _SYS_VDEV_DISK_H +#define _SYS_VDEV_DISK_H + +#ifdef __cplusplus +extern "C" { +#endif + +#ifdef _KERNEL +#include <sys/vdev.h> +#include <sys/ddi.h> +#include <sys/sunldi.h> +#include <sys/sunddi.h> + +typedef struct vdev_disk { + ddi_devid_t vd_devid; + char *vd_minor; + struct block_device *vd_bdev; +} vdev_disk_t; + +extern int vdev_disk_physio(struct block_device *, caddr_t, + size_t, uint64_t, int); +extern int vdev_disk_read_rootlabel(char *, char *, nvlist_t **); + +/* 2.6.24 API change */ +#ifdef HAVE_2ARGS_BIO_END_IO_T +# define BIO_END_IO_PROTO(fn, x, y, z) static void fn(struct bio *x, int z) +# define BIO_END_IO_RETURN(rc) return +#else +# define BIO_END_IO_PROTO(fn, x, y, z) static int fn(struct bio *x, \ + unsigned int y, int z) +# define BIO_END_IO_RETURN(rc) return rc +#endif /* HAVE_2ARGS_BIO_END_IO_T */ + +/* 2.6.29 API change */ +#ifdef HAVE_BIO_RW_SYNCIO +# define DIO_RW_SYNCIO BIO_RW_SYNCIO +#else +# define DIO_RW_SYNCIO BIO_RW_SYNC +#endif /* HAVE_BIO_RW_SYNCIO */ + +/* 2.6.28 API change */ +#ifdef HAVE_OPEN_BDEV_EXCLUSIVE +# define vdev_bdev_open(path, md, hld) open_bdev_exclusive(path, md, hld) +# define vdev_bdev_close(bdev, md) close_bdev_exclusive(bdev, md) +#else +# define vdev_bdev_open(path, md, hld) open_bdev_excl(path, md, hld) +# define vdev_bdev_close(bdev, md) close_bdev_excl(bdev) +#endif /* HAVE_OPEN_BDEV_EXCLUSIVE */ + +/* 2.6.22 API change */ +#ifdef HAVE_1ARG_INVALIDATE_BDEV +# define vdev_bdev_invalidate(bdev) invalidate_bdev(bdev) +#else +# define vdev_bdev_invalidate(bdev) invalidate_bdev(bdev, 1) +#endif /* HAVE_1ARG_INVALIDATE_BDEV */ + +/* 2.6.30 API change */ +#ifdef HAVE_BDEV_LOGICAL_BLOCK_SIZE +# define vdev_bdev_block_size(bdev) bdev_logical_block_size(bdev) +#else +# define vdev_bdev_block_size(bdev) bdev_hardsect_size(bdev) +#endif + +#endif /* _KERNEL */ + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_VDEV_DISK_H */ |