ulfs_extattr.h revision 1.2.2.3
1 1.2.2.2 tls /* $NetBSD: ulfs_extattr.h,v 1.2.2.3 2017/12/03 11:39:22 jdolecek Exp $ */ 2 1.2.2.3 jdolecek /* from NetBSD: extattr.h,v 1.11 2014/12/19 10:59:21 manu Exp */ 3 1.2.2.2 tls 4 1.2.2.2 tls /*- 5 1.2.2.2 tls * Copyright (c) 1999-2001 Robert N. M. Watson 6 1.2.2.2 tls * All rights reserved. 7 1.2.2.2 tls * 8 1.2.2.2 tls * This software was developed by Robert Watson for the TrustedBSD Project. 9 1.2.2.2 tls * 10 1.2.2.2 tls * Redistribution and use in source and binary forms, with or without 11 1.2.2.2 tls * modification, are permitted provided that the following conditions 12 1.2.2.2 tls * are met: 13 1.2.2.2 tls * 1. Redistributions of source code must retain the above copyright 14 1.2.2.2 tls * notice, this list of conditions and the following disclaimer. 15 1.2.2.2 tls * 2. Redistributions in binary form must reproduce the above copyright 16 1.2.2.2 tls * notice, this list of conditions and the following disclaimer in the 17 1.2.2.2 tls * documentation and/or other materials provided with the distribution. 18 1.2.2.2 tls * 19 1.2.2.2 tls * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 20 1.2.2.2 tls * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 1.2.2.2 tls * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 1.2.2.2 tls * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 23 1.2.2.2 tls * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 1.2.2.2 tls * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 1.2.2.2 tls * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 1.2.2.2 tls * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 1.2.2.2 tls * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 1.2.2.2 tls * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 1.2.2.2 tls * SUCH DAMAGE. 30 1.2.2.2 tls * 31 1.2.2.2 tls * $FreeBSD: src/sys/ufs/ufs/extattr.h,v 1.20 2005/01/31 08:16:45 imp Exp $ 32 1.2.2.2 tls */ 33 1.2.2.2 tls 34 1.2.2.2 tls /* 35 1.2.2.2 tls * Support for file system extended attributes on the ULFS1 file system. 36 1.2.2.2 tls * Developed by the TrustedBSD Project. 37 1.2.2.2 tls */ 38 1.2.2.2 tls 39 1.2.2.2 tls #ifndef _UFS_LFS_ULFS_EXTATTR_H_ 40 1.2.2.2 tls #define _UFS_LFS_ULFS_EXTATTR_H_ 41 1.2.2.2 tls 42 1.2.2.2 tls #define ULFS_EXTATTR_MAGIC 0x00b5d5ec 43 1.2.2.2 tls #define ULFS_EXTATTR_VERSION 0x00000003 44 1.2.2.2 tls #define ULFS_EXTATTR_FSROOTSUBDIR ".attribute" 45 1.2.2.2 tls #define ULFS_EXTATTR_SUBDIR_SYSTEM "system" 46 1.2.2.2 tls #define ULFS_EXTATTR_SUBDIR_USER "user" 47 1.2.2.3 jdolecek #define ULFS_EXTATTR_MAXEXTATTRNAME 256 /* including null */ 48 1.2.2.2 tls 49 1.2.2.2 tls #define ULFS_EXTATTR_ATTR_FLAG_INUSE 0x00000001 /* attr has been set */ 50 1.2.2.2 tls #define ULFS_EXTATTR_PERM_KERNEL 0x00000000 51 1.2.2.2 tls #define ULFS_EXTATTR_PERM_ROOT 0x00000001 52 1.2.2.2 tls #define ULFS_EXTATTR_PERM_OWNER 0x00000002 53 1.2.2.2 tls #define ULFS_EXTATTR_PERM_ANYONE 0x00000003 54 1.2.2.2 tls 55 1.2.2.2 tls #define ULFS_EXTATTR_UEPM_INITIALIZED 0x00000001 56 1.2.2.2 tls #define ULFS_EXTATTR_UEPM_STARTED 0x00000002 57 1.2.2.2 tls 58 1.2.2.2 tls #define ULFS_EXTATTR_CMD_START EXTATTR_CMD_START 59 1.2.2.2 tls #define ULFS_EXTATTR_CMD_STOP EXTATTR_CMD_STOP 60 1.2.2.2 tls #define ULFS_EXTATTR_CMD_ENABLE 0x00000003 61 1.2.2.2 tls #define ULFS_EXTATTR_CMD_DISABLE 0x00000004 62 1.2.2.2 tls 63 1.2.2.2 tls struct ulfs_extattr_fileheader { 64 1.2.2.2 tls uint32_t uef_magic; /* magic number for sanity checking */ 65 1.2.2.2 tls uint32_t uef_version; /* version of attribute file */ 66 1.2.2.2 tls uint32_t uef_size; /* size of attributes, w/o header */ 67 1.2.2.2 tls }; 68 1.2.2.2 tls 69 1.2.2.2 tls struct ulfs_extattr_header { 70 1.2.2.2 tls uint32_t ueh_flags; /* flags for attribute */ 71 1.2.2.2 tls uint32_t ueh_len; /* local defined length; <= uef_size */ 72 1.2.2.2 tls uint32_t ueh_i_gen; /* generation number for sanity */ 73 1.2.2.2 tls /* data follows the header */ 74 1.2.2.2 tls }; 75 1.2.2.2 tls 76 1.2.2.2 tls #ifdef _KERNEL 77 1.2.2.2 tls 78 1.2.2.2 tls #ifdef MALLOC_DECLARE 79 1.2.2.2 tls MALLOC_DECLARE(M_EXTATTR); 80 1.2.2.2 tls #endif 81 1.2.2.2 tls 82 1.2.2.2 tls struct vnode; 83 1.2.2.2 tls LIST_HEAD(ulfs_extattr_list_head, ulfs_extattr_list_entry); 84 1.2.2.2 tls struct ulfs_extattr_list_entry { 85 1.2.2.2 tls LIST_ENTRY(ulfs_extattr_list_entry) uele_entries; 86 1.2.2.2 tls struct ulfs_extattr_fileheader uele_fileheader; 87 1.2.2.2 tls int uele_attrnamespace; 88 1.2.2.2 tls char uele_attrname[ULFS_EXTATTR_MAXEXTATTRNAME]; 89 1.2.2.2 tls struct vnode *uele_backing_vnode; 90 1.2.2.2 tls int uele_flags; 91 1.2.2.2 tls }; 92 1.2.2.2 tls 93 1.2.2.2 tls /* uele_flags */ 94 1.2.2.2 tls #define UELE_F_NEEDSWAP 0x01 /* needs byte swap */ 95 1.2.2.2 tls 96 1.2.2.2 tls #define UELE_NEEDSWAP(uele) ((uele)->uele_flags & UELE_F_NEEDSWAP) 97 1.2.2.2 tls 98 1.2.2.2 tls struct lock; 99 1.2.2.2 tls struct ulfs_extattr_per_mount { 100 1.2.2.2 tls kmutex_t uepm_lock; 101 1.2.2.2 tls struct ulfs_extattr_list_head uepm_list; 102 1.2.2.2 tls kauth_cred_t uepm_ucred; 103 1.2.2.2 tls int uepm_lockcnt; 104 1.2.2.2 tls int uepm_flags; 105 1.2.2.2 tls }; 106 1.2.2.2 tls 107 1.2.2.2 tls void ulfs_extattr_uepm_init(struct ulfs_extattr_per_mount *uepm); 108 1.2.2.2 tls void ulfs_extattr_uepm_destroy(struct ulfs_extattr_per_mount *uepm); 109 1.2.2.2 tls int ulfs_extattr_start(struct mount *mp, struct lwp *l); 110 1.2.2.2 tls int ulfs_extattr_autostart(struct mount *mp, struct lwp *l); 111 1.2.2.2 tls void ulfs_extattr_stop(struct mount *mp, struct lwp *l); 112 1.2.2.2 tls int ulfs_extattrctl(struct mount *mp, int cmd, struct vnode *filename, 113 1.2.2.2 tls int attrnamespace, const char *attrname); 114 1.2.2.2 tls struct vop_getextattr_args; 115 1.2.2.2 tls int ulfs_getextattr(struct vop_getextattr_args *ap); 116 1.2.2.2 tls struct vop_deleteextattr_args; 117 1.2.2.2 tls int ulfs_deleteextattr(struct vop_deleteextattr_args *ap); 118 1.2.2.2 tls struct vop_setextattr_args; 119 1.2.2.2 tls int ulfs_setextattr(struct vop_setextattr_args *ap); 120 1.2.2.2 tls struct vop_listextattr_args; 121 1.2.2.2 tls int ulfs_listextattr(struct vop_listextattr_args *ap); 122 1.2.2.2 tls void ulfs_extattr_vnode_inactive(struct vnode *vp, struct lwp *l); 123 1.2.2.2 tls 124 1.2.2.2 tls void ulfs_extattr_init(void); 125 1.2.2.2 tls void ulfs_extattr_done(void); 126 1.2.2.2 tls 127 1.2.2.2 tls #endif /* !_KERNEL */ 128 1.2.2.2 tls 129 1.2.2.2 tls #endif /* !_UFS_LFS_ULFS_EXTATTR_H_ */ 130
Indexes created Tue Oct 21 19:09:51 GMT 2025