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60101509 BB |
1 | /* |
2 | * CDDL HEADER START | |
3 | * | |
4 | * The contents of this file are subject to the terms of the | |
5 | * Common Development and Distribution License (the "License"). | |
6 | * You may not use this file except in compliance with the License. | |
7 | * | |
8 | * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE | |
9 | * or http://www.opensolaris.org/os/licensing. | |
10 | * See the License for the specific language governing permissions | |
11 | * and limitations under the License. | |
12 | * | |
13 | * When distributing Covered Code, include this CDDL HEADER in each | |
14 | * file and include the License file at usr/src/OPENSOLARIS.LICENSE. | |
15 | * If applicable, add the following below this CDDL HEADER, with the | |
16 | * fields enclosed by brackets "[]" replaced with your own identifying | |
17 | * information: Portions Copyright [yyyy] [name of copyright owner] | |
18 | * | |
19 | * CDDL HEADER END | |
20 | */ | |
21 | /* | |
22 | * Copyright (C) 2008-2010 Lawrence Livermore National Security, LLC. | |
23 | * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER). | |
24 | * Written by Brian Behlendorf <behlendorf1@llnl.gov>. | |
25 | * LLNL-CODE-403049. | |
74d42600 | 26 | * Copyright (c) 2018 by Delphix. All rights reserved. |
60101509 BB |
27 | */ |
28 | ||
29 | #ifndef _SYS_VDEV_DISK_H | |
d1d7e268 | 30 | #define _SYS_VDEV_DISK_H |
60101509 | 31 | |
74d42600 SH |
32 | /* |
33 | * Don't start the slice at the default block of 34; many storage | |
34 | * devices will use a stripe width of 128k, other vendors prefer a 1m | |
35 | * alignment. It is best to play it safe and ensure a 1m alignment | |
36 | * given 512B blocks. When the block size is larger by a power of 2 | |
37 | * we will still be 1m aligned. Some devices are sensitive to the | |
38 | * partition ending alignment as well. | |
39 | */ | |
40 | #define NEW_START_BLOCK 2048 | |
41 | #define PARTITION_END_ALIGNMENT 2048 | |
42 | ||
60101509 BB |
43 | #ifdef _KERNEL |
44 | #include <sys/vdev.h> | |
60101509 BB |
45 | |
46 | typedef struct vdev_disk { | |
47 | ddi_devid_t vd_devid; | |
48 | char *vd_minor; | |
49 | struct block_device *vd_bdev; | |
d441e85d | 50 | krwlock_t vd_lock; |
60101509 BB |
51 | } vdev_disk_t; |
52 | ||
60101509 | 53 | #endif /* _KERNEL */ |
61e90960 | 54 | #endif /* _SYS_VDEV_DISK_H */ |