1/* $NetBSD: lfs_kernel.h,v 1.3 2016/06/20 03:29:52 dholland Exp $ */
2
3/* from NetBSD: lfs.h,v 1.157 2013/06/28 16:14:06 matt Exp */
4
5/*-
6 * Copyright (c) 1999, 2000, 2001, 2002, 2003 The NetBSD Foundation, Inc.
7 * All rights reserved.
8 *
9 * This code is derived from software contributed to The NetBSD Foundation
10 * by Konrad E. Schroder <perseant@hhhh.org>.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
23 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
24 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
25 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31 * POSSIBILITY OF SUCH DAMAGE.
32 */
33/*-
34 * Copyright (c) 1991, 1993
35 * The Regents of the University of California. All rights reserved.
36 *
37 * Redistribution and use in source and binary forms, with or without
38 * modification, are permitted provided that the following conditions
39 * are met:
40 * 1. Redistributions of source code must retain the above copyright
41 * notice, this list of conditions and the following disclaimer.
42 * 2. Redistributions in binary form must reproduce the above copyright
43 * notice, this list of conditions and the following disclaimer in the
44 * documentation and/or other materials provided with the distribution.
45 * 3. Neither the name of the University nor the names of its contributors
46 * may be used to endorse or promote products derived from this software
47 * without specific prior written permission.
48 *
49 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
50 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
51 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
52 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
53 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
54 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
55 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
56 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
57 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
58 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
59 * SUCH DAMAGE.
60 *
61 * @(#)lfs.h 8.9 (Berkeley) 5/8/95
62 */
63
64#ifndef _UFS_LFS_LFS_KERNEL_H_
65#define _UFS_LFS_LFS_KERNEL_H_
66
67#include <ufs/lfs/lfs.h>
68
69extern struct lfs_stats lfs_stats;
70
71/* XXX MP */
72#define LFS_SEGLOCK_HELD(fs) \
73 ((fs)->lfs_seglock != 0 && \
74 (fs)->lfs_lockpid == curproc->p_pid && \
75 (fs)->lfs_locklwp == curlwp->l_lid)
76
77struct lfs_cluster {
78 size_t bufsize; /* Size of kept data */
79 struct buf **bpp; /* Array of kept buffers */
80 int bufcount; /* Number of kept buffers */
81#define LFS_CL_MALLOC 0x00000001
82#define LFS_CL_SHIFT 0x00000002
83#define LFS_CL_SYNC 0x00000004
84 uint32_t flags; /* Flags */
85 struct lfs *fs; /* LFS that this belongs to */
86 struct segment *seg; /* Segment structure, for LFS_CL_SYNC */
87};
88
89/*
90 * Splay tree containing block numbers allocated through lfs_balloc.
91 */
92struct lbnentry {
93 SPLAY_ENTRY(lbnentry) entry;
94 daddr_t lbn;
95};
96
97/*
98 * Compat fcntls. Defined for kernel only. Userland always uses
99 * "the one true version".
100 */
101#include <compat/sys/time_types.h>
102
103struct lfs_fcntl_markv_70 {
104 BLOCK_INFO_70 *blkiov; /* blocks to relocate */
105 int blkcnt; /* number of blocks (limited to 65536) */
106};
107
108#define LFCNSEGWAITALL_COMPAT _FCNW_FSPRIV('L', 0, struct timeval50)
109#define LFCNSEGWAIT_COMPAT _FCNW_FSPRIV('L', 1, struct timeval50)
110#define LFCNIFILEFH_COMPAT _FCNW_FSPRIV('L', 5, struct lfs_fhandle)
111#define LFCNIFILEFH_COMPAT2 _FCN_FSPRIV(F_FSOUT, 'L', 11, 32)
112#define LFCNWRAPSTOP_COMPAT _FCNO_FSPRIV('L', 9)
113#define LFCNWRAPGO_COMPAT _FCNO_FSPRIV('L', 10)
114#define LFCNSEGWAITALL_COMPAT_50 _FCNR_FSPRIV('L', 0, struct timeval50)
115#define LFCNSEGWAIT_COMPAT_50 _FCNR_FSPRIV('L', 1, struct timeval50)
116#define LFCNBMAPV_COMPAT_70 _FCNRW_FSPRIV('L', 2, struct lfs_fcntl_markv_70)
117#define LFCNMARKV_COMPAT_70 _FCNRW_FSPRIV('L', 3, struct lfs_fcntl_markv_70)
118
119
120#endif /* _UFS_LFS_LFS_KERNEL_H_ */
121