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/*
* 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 <behlendorf1@llnl.gov>.
* LLNL-CODE-403049.
* Copyright (c) 2018 by Delphix. All rights reserved.
*/
#ifndef _SYS_VDEV_DISK_H
#define _SYS_VDEV_DISK_H
/*
* Don't start the slice at the default block of 34; many storage
* devices will use a stripe width of 128k, other vendors prefer a 1m
* alignment. It is best to play it safe and ensure a 1m alignment
* given 512B blocks. When the block size is larger by a power of 2
* we will still be 1m aligned. Some devices are sensitive to the
* partition ending alignment as well.
*/
#define NEW_START_BLOCK 2048
#define PARTITION_END_ALIGNMENT 2048
#ifdef _KERNEL
#include <sys/vdev.h>
typedef struct vdev_disk {
ddi_devid_t vd_devid;
char *vd_minor;
struct block_device *vd_bdev;
krwlock_t vd_lock;
} vdev_disk_t;
#endif /* _KERNEL */
#endif /* _SYS_VDEV_DISK_H */
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