1*22ce4affSfengbojiang /* 2*22ce4affSfengbojiang * CDDL HEADER START 3*22ce4affSfengbojiang * 4*22ce4affSfengbojiang * The contents of this file are subject to the terms of the 5*22ce4affSfengbojiang * Common Development and Distribution License (the "License"). 6*22ce4affSfengbojiang * You may not use this file except in compliance with the License. 7*22ce4affSfengbojiang * 8*22ce4affSfengbojiang * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9*22ce4affSfengbojiang * or http://www.opensolaris.org/os/licensing. 10*22ce4affSfengbojiang * See the License for the specific language governing permissions 11*22ce4affSfengbojiang * and limitations under the License. 12*22ce4affSfengbojiang * 13*22ce4affSfengbojiang * When distributing Covered Code, include this CDDL HEADER in each 14*22ce4affSfengbojiang * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15*22ce4affSfengbojiang * If applicable, add the following below this CDDL HEADER, with the 16*22ce4affSfengbojiang * fields enclosed by brackets "[]" replaced with your own identifying 17*22ce4affSfengbojiang * information: Portions Copyright [yyyy] [name of copyright owner] 18*22ce4affSfengbojiang * 19*22ce4affSfengbojiang * CDDL HEADER END 20*22ce4affSfengbojiang */ 21*22ce4affSfengbojiang /* 22*22ce4affSfengbojiang * Copyright (C) 2008-2010 Lawrence Livermore National Security, LLC. 23*22ce4affSfengbojiang * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). 24*22ce4affSfengbojiang * Written by Brian Behlendorf <[email protected]>. 25*22ce4affSfengbojiang * LLNL-CODE-403049. 26*22ce4affSfengbojiang * Copyright (c) 2018 by Delphix. All rights reserved. 27*22ce4affSfengbojiang */ 28*22ce4affSfengbojiang 29*22ce4affSfengbojiang #ifndef _SYS_VDEV_DISK_H 30*22ce4affSfengbojiang #define _SYS_VDEV_DISK_H 31*22ce4affSfengbojiang 32*22ce4affSfengbojiang /* 33*22ce4affSfengbojiang * Don't start the slice at the default block of 34; many storage 34*22ce4affSfengbojiang * devices will use a stripe width of 128k, other vendors prefer a 1m 35*22ce4affSfengbojiang * alignment. It is best to play it safe and ensure a 1m alignment 36*22ce4affSfengbojiang * given 512B blocks. When the block size is larger by a power of 2 37*22ce4affSfengbojiang * we will still be 1m aligned. Some devices are sensitive to the 38*22ce4affSfengbojiang * partition ending alignment as well. 39*22ce4affSfengbojiang */ 40*22ce4affSfengbojiang #define NEW_START_BLOCK 2048 41*22ce4affSfengbojiang #define PARTITION_END_ALIGNMENT 2048 42*22ce4affSfengbojiang 43*22ce4affSfengbojiang #ifdef _KERNEL 44*22ce4affSfengbojiang #include <sys/vdev.h> 45*22ce4affSfengbojiang #endif /* _KERNEL */ 46*22ce4affSfengbojiang #endif /* _SYS_VDEV_DISK_H */ 47