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 #define ENABLE_UNSPECIFIED 0 62 #define ENABLE_ON 1 63 #define ENABLE_OFF 2 64 65 struct target { 66 TAILQ_ENTRY(target) t_next; 67 struct conf *t_conf; 68 char *t_nickname; 69 char *t_name; 70 char *t_address; 71 char *t_initiator_name; 72 char *t_initiator_address; 73 char *t_initiator_alias; 74 int t_header_digest; 75 int t_data_digest; 76 int t_auth_method; 77 int t_session_type; 78 int t_enable; 79 int t_protocol; 80 char *t_offload; 81 char *t_user; 82 char *t_secret; 83 char *t_mutual_user; 84 char *t_mutual_secret; 85 }; 86 87 struct conf { 88 TAILQ_HEAD(, target) conf_targets; 89 }; 90 91 #define CONN_SESSION_TYPE_NONE 0 92 #define CONN_SESSION_TYPE_DISCOVERY 1 93 #define CONN_SESSION_TYPE_NORMAL 2 94 95 struct connection { 96 struct target *conn_target; 97 int conn_socket; 98 int conn_session_type; 99 uint32_t conn_cmdsn; 100 uint32_t conn_statsn; 101 size_t conn_max_data_segment_length; 102 size_t conn_max_burst_length; 103 size_t conn_max_outstanding_r2t; 104 int conn_header_digest; 105 int conn_data_digest; 106 }; 107 108 struct conf *conf_new(void); 109 struct conf *conf_new_from_file(const char *path); 110 void conf_delete(struct conf *conf); 111 void conf_verify(struct conf *conf); 112 113 struct target *target_new(struct conf *conf); 114 struct target *target_find(struct conf *conf, const char *nickname); 115 void target_delete(struct target *ic); 116 117 void print_periphs(int session_id); 118 119 char *checked_strdup(const char *); 120 bool valid_iscsi_name(const char *name); 121 int parse_enable(const char *enable); 122 123 #endif /* !ISCSICTL_H */ 124