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 2006 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #ifndef _LIBFSTYP_H 27 #define _LIBFSTYP_H 28 29 /* 30 * libfstyp: filesystem identification library 31 */ 32 #ifdef __cplusplus 33 extern "C" { 34 #endif 35 36 #include <sys/types.h> 37 #include <libnvpair.h> 38 39 typedef struct fstyp_handle *fstyp_handle_t; 40 41 enum { 42 FSTYP_ERR_OK = 0, 43 FSTYP_ERR_NO_MATCH, /* no matches */ 44 FSTYP_ERR_MULT_MATCH, /* multiple matches */ 45 FSTYP_ERR_HANDLE, /* invalid handle */ 46 FSTYP_ERR_OFFSET, /* invalid or unsupported offset */ 47 FSTYP_ERR_NO_PARTITION, /* partition not found */ 48 FSTYP_ERR_NOP, /* no such operation */ 49 FSTYP_ERR_DEV_OPEN, /* cannot open device */ 50 FSTYP_ERR_IO, /* I/O error */ 51 FSTYP_ERR_NOMEM, /* out of memory */ 52 FSTYP_ERR_MOD_NOT_FOUND, /* requested fs module not found */ 53 FSTYP_ERR_MOD_DIR_OPEN, /* cannot open directory */ 54 FSTYP_ERR_MOD_OPEN, /* cannot open module */ 55 FSTYP_ERR_MOD_VERSION, /* invalid module version */ 56 FSTYP_ERR_MOD_INVALID, /* invalid module */ 57 FSTYP_ERR_NAME_TOO_LONG /* fs name exceeds FSTYPSZ */ 58 }; 59 60 /* 61 * generic attribute names 62 * 63 * gen_clean (DATA_TYPE_BOOLEAN_VALUE) 64 * gen_guid (DATA_TYPE_STRING) 65 * gen_version (DATA_TYPE_STRING) 66 * gen_volume_label (DATA_TYPE_STRING) 67 */ 68 69 int fstyp_init(int fd, off64_t offset, char *module_dir, 70 fstyp_handle_t *handle); 71 void fstyp_fini(fstyp_handle_t handle); 72 int fstyp_ident(fstyp_handle_t handle, const char *fsname, 73 const char **ident); 74 int fstyp_get_attr(fstyp_handle_t handle, nvlist_t **attr); 75 int fstyp_dump(fstyp_handle_t handle, FILE *fout, FILE *ferr); 76 const char *fstyp_strerror(fstyp_handle_t handle, int error); 77 78 #ifdef __cplusplus 79 } 80 #endif 81 82 #endif /* _LIBFSTYP_H */ 83