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, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #ifndef _OBJFS_IMPL_H 28 #define _OBJFS_IMPL_H 29 30 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 #include <sys/modctl.h> 33 #include <sys/vfs.h> 34 #include <sys/vnode.h> 35 #include <sys/gfs.h> 36 #include <sys/objfs.h> 37 38 #ifdef __cplusplus 39 extern "C" { 40 #endif 41 42 /* 43 * VFS data object 44 */ 45 typedef struct objfs_vfs { 46 vnode_t *objfs_vfs_root; 47 } objfs_vfs_t; 48 49 /* 50 * Common vop_ entry points 51 */ 52 extern int objfs_dir_open(vnode_t **, int, cred_t *); 53 extern int objfs_dir_access(vnode_t *, int, int, cred_t *); 54 extern int objfs_common_close(vnode_t *, int, int, offset_t, cred_t *); 55 56 /* 57 * Common vop_ support functions 58 */ 59 extern int objfs_common_getattr(vnode_t *, vattr_t *); 60 61 /* 62 * Miscellaneous support functions 63 */ 64 extern int objfs_nobjs(void); 65 66 #define OBJFS_NAME_MAX MAXNAMELEN 67 68 /* 69 * The root vnode has an inode number of 0xffffffff. All other vnodes have an 70 * inode that is an OR of the module id with the type of vnode. 71 * 72 * ---------------------------------------- 73 * | type | mod_id | 74 * ---------------------------------------- 75 * 63 31 0 76 * 77 * This way, module directories will have an inode value equal to their module 78 * id. 79 */ 80 81 #define OBJFS_INO(modid, type) \ 82 (((uint64_t)(type) << 32) | (modid)) 83 84 /* 85 * Root directory 86 */ 87 typedef gfs_dir_t objfs_rootnode_t; 88 89 #define OBJFS_INO_ROOT 0xffffffff 90 91 extern const fs_operation_def_t objfs_tops_root[]; 92 extern vnodeops_t *objfs_ops_root; 93 94 extern vnode_t *objfs_create_root(vfs_t *); 95 96 /* 97 * Object directory 98 */ 99 100 typedef struct objfs_odirnode { 101 gfs_dir_t objfs_odir_dir; /* gfs dir */ 102 struct modctl *objfs_odir_modctl; /* modctl pointer */ 103 } objfs_odirnode_t; 104 105 #define OBJFS_INO_ODIR(modid) OBJFS_INO(modid, 0) 106 107 extern const fs_operation_def_t objfs_tops_odir[]; 108 extern vnodeops_t *objfs_ops_odir; 109 110 extern vnode_t *objfs_create_odirnode(vnode_t *, struct modctl *); 111 112 /* 113 * Data file 114 */ 115 typedef struct objfs_datanode { 116 gfs_file_t objfs_data_file; /* gfs file */ 117 objfs_info_t objfs_data_info; 118 int objfs_data_gencount; /* gen when opened */ 119 } objfs_datanode_t; 120 121 #define OBJFS_INO_DATA(modid) OBJFS_INO(modid, 1) 122 123 extern const fs_operation_def_t objfs_tops_data[]; 124 extern vnodeops_t *objfs_ops_data; 125 126 extern void objfs_data_init(void); 127 extern vnode_t *objfs_create_data(vnode_t *); 128 129 #ifdef __cplusplus 130 } 131 #endif 132 133 #endif /* _OBJFS_IMPL_H */ 134