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 /* 23 * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved. 24 */ 25 26 #ifndef _LIBSES_H 27 #define _LIBSES_H 28 29 #ifdef __cplusplus 30 extern "C" { 31 #endif 32 33 #include <sys/types.h> 34 35 #include <stdarg.h> 36 #include <libnvpair.h> 37 #include <pthread.h> 38 39 #include <scsi/libscsi.h> 40 #include <scsi/plugins/ses/framework/ses2.h> 41 #include <scsi/plugins/ses/framework/libses.h> 42 43 #define LIBSES_VERSION 1 44 45 /* 46 * element type prop can be created by any plugin. The ses2 plugin created 47 * SES-2 defined element types and SUN plugin defines vendor specific types. 48 */ 49 #define SES_PROP_ELEMENT_TYPE "ses-element-type" 50 51 typedef enum ses_node_type { 52 SES_NODE_NONE = 0x0, 53 SES_NODE_TARGET = 0x1, 54 SES_NODE_ENCLOSURE = 0x2, 55 SES_NODE_AGGREGATE = 0x4, 56 SES_NODE_ELEMENT = 0x8 57 } ses_node_type_t; 58 59 typedef enum ses_errno { 60 ESES_NONE, /* no error */ 61 ESES_NOMEM, /* no memory */ 62 ESES_ZERO_LENGTH, /* zero-length allocation requested */ 63 ESES_VERSION, /* library version mismatch */ 64 ESES_NVL, /* nvlist manipulation error */ 65 ESES_BAD_NODE, /* bad node */ 66 ESES_INVALID_OP, /* invalid operation */ 67 ESES_RANGE, /* value out of range */ 68 ESES_INVALID_PROP, /* nonexistent or immutable property */ 69 ESES_BAD_TYPE, /* incorrect property type */ 70 ESES_BAD_PAGE, /* bad page number */ 71 ESES_BAD_RESPONSE, /* bad response from target */ 72 ESES_BUSY, /* target busy */ 73 ESES_TOOMUCHCHANGE, /* target configuration changing too rapidly */ 74 ESES_LIBSCSI, /* SCSI error */ 75 ESES_NOTSUP, /* operation not supported */ 76 ESES_UNKNOWN, /* error of unknown type */ 77 ESES_CHANGED, /* generation count has changed */ 78 ESES_PLUGIN, /* invalid or missing plugin */ 79 ESES_MAX /* maximum libses errno value */ 80 } ses_errno_t; 81 82 struct ses_target; 83 typedef struct ses_target ses_target_t; 84 85 struct ses_snap; 86 typedef struct ses_snap ses_snap_t; 87 88 struct ses_node; 89 typedef struct ses_node ses_node_t; 90 91 extern ses_target_t *ses_open(uint_t, const char *); 92 extern ses_target_t *ses_open_scsi(uint_t, libscsi_target_t *); 93 extern void ses_close(ses_target_t *); 94 95 extern libscsi_target_t *ses_scsi_target(ses_target_t *); 96 97 typedef enum ses_walk_action { 98 SES_WALK_ACTION_CONTINUE, 99 SES_WALK_ACTION_PRUNE, 100 SES_WALK_ACTION_TERMINATE 101 } ses_walk_action_t; 102 103 typedef ses_walk_action_t (*ses_walk_f)(ses_node_t *, void *); 104 105 extern uint64_t ses_node_id(ses_node_t *); 106 extern ses_node_t *ses_node_lookup(ses_snap_t *, uint64_t); 107 108 extern ses_node_t *ses_root_node(ses_snap_t *); 109 extern ses_node_t *ses_node_sibling(ses_node_t *); 110 extern ses_node_t *ses_node_prev_sibling(ses_node_t *); 111 extern ses_node_t *ses_node_child(ses_node_t *); 112 extern ses_node_t *ses_node_parent(ses_node_t *); 113 extern int ses_walk(ses_snap_t *, ses_walk_f, void *); 114 115 extern ses_snap_t *ses_snap_hold(ses_target_t *); 116 extern void ses_snap_rele(ses_snap_t *); 117 extern ses_snap_t *ses_snap_new(ses_target_t *); 118 extern uint32_t ses_snap_generation(ses_snap_t *); 119 120 extern ses_node_type_t ses_node_type(ses_node_t *); 121 extern nvlist_t *ses_node_props(ses_node_t *); 122 extern int ses_node_ctl(ses_node_t *, const char *, nvlist_t *); 123 extern ses_snap_t *ses_node_snapshot(ses_node_t *); 124 extern ses_target_t *ses_node_target(ses_node_t *); 125 126 extern ses_errno_t ses_errno(void); 127 extern const char *ses_errmsg(void); 128 extern const char *ses_strerror(ses_errno_t); 129 extern const char *ses_nv_error_member(void); 130 131 extern ses_node_t *ses_snap_primary_enclosure(ses_snap_t *); 132 133 #ifdef __cplusplus 134 } 135 #endif 136 137 #endif /* _LIBSES_H */ 138