1 /*- 2 * Copyright (c) 2012 The FreeBSD Foundation 3 * All rights reserved. 4 * 5 * This software was developed by Edward Tomasz Napierala under sponsorship 6 * from the FreeBSD Foundation. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * $FreeBSD$ 30 */ 31 32 #ifndef ISCSICTL_H 33 #define ISCSICTL_H 34 35 #include <sys/queue.h> 36 #include <stdbool.h> 37 #include <libutil.h> 38 39 #define DEFAULT_CONFIG_PATH "/etc/iscsi.conf" 40 #define DEFAULT_IQN "iqn.1994-09.org.freebsd:" 41 42 #define MAX_NAME_LEN 223 43 #define MAX_DATA_SEGMENT_LENGTH 65536 44 45 #define AUTH_METHOD_UNSPECIFIED 0 46 #define AUTH_METHOD_NONE 1 47 #define AUTH_METHOD_CHAP 2 48 49 #define DIGEST_UNSPECIFIED 0 50 #define DIGEST_NONE 1 51 #define DIGEST_CRC32C 2 52 53 #define SESSION_TYPE_UNSPECIFIED 0 54 #define SESSION_TYPE_NORMAL 1 55 #define SESSION_TYPE_DISCOVERY 2 56 57 #define PROTOCOL_UNSPECIFIED 0 58 #define PROTOCOL_ISCSI 1 59 #define PROTOCOL_ISER 2 60 61 struct target { 62 TAILQ_ENTRY(target) t_next; 63 struct conf *t_conf; 64 char *t_nickname; 65 char *t_name; 66 char *t_address; 67 char *t_initiator_name; 68 char *t_initiator_address; 69 char *t_initiator_alias; 70 int t_header_digest; 71 int t_data_digest; 72 int t_auth_method; 73 int t_session_type; 74 int t_protocol; 75 char *t_user; 76 char *t_secret; 77 char *t_mutual_user; 78 char *t_mutual_secret; 79 }; 80 81 struct conf { 82 TAILQ_HEAD(, target) conf_targets; 83 }; 84 85 #define CONN_SESSION_TYPE_NONE 0 86 #define CONN_SESSION_TYPE_DISCOVERY 1 87 #define CONN_SESSION_TYPE_NORMAL 2 88 89 struct connection { 90 struct target *conn_target; 91 int conn_socket; 92 int conn_session_type; 93 uint32_t conn_cmdsn; 94 uint32_t conn_statsn; 95 size_t conn_max_data_segment_length; 96 size_t conn_max_burst_length; 97 size_t conn_max_outstanding_r2t; 98 int conn_header_digest; 99 int conn_data_digest; 100 }; 101 102 struct conf *conf_new(void); 103 struct conf *conf_new_from_file(const char *path); 104 void conf_delete(struct conf *conf); 105 void conf_verify(struct conf *conf); 106 107 struct target *target_new(struct conf *conf); 108 struct target *target_find(struct conf *conf, const char *nickname); 109 void target_delete(struct target *ic); 110 111 void print_periphs(int session_id); 112 113 char *checked_strdup(const char *); 114 bool valid_iscsi_name(const char *name); 115 116 #endif /* !ISCSICTL_H */ 117