/*-
 * SPDX-License-Identifier: BSD-2-Clause
 *
 * Copyright (c) 2012 The FreeBSD Foundation
 *
 * This software was developed by Edward Tomasz Napierala under sponsorship
 * from the FreeBSD Foundation.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#ifndef ISCSICTL_H
#define ISCSICTL_H

#include <sys/queue.h>
#include <stdbool.h>
#include <libutil.h>

#define DEFAULT_CONFIG_PATH             "/etc/iscsi.conf"
#define DEFAULT_IQN                     "iqn.1994-09.org.freebsd:"

#define ISCSICTL_XO_VERSION             "1"

#define AUTH_METHOD_UNSPECIFIED         0
#define AUTH_METHOD_NONE                1
#define AUTH_METHOD_CHAP                2

#define DIGEST_UNSPECIFIED              0
#define DIGEST_NONE                     1
#define DIGEST_CRC32C                   2

#define SESSION_TYPE_UNSPECIFIED        0
#define SESSION_TYPE_NORMAL             1
#define SESSION_TYPE_DISCOVERY          2

#define PROTOCOL_UNSPECIFIED            0
#define PROTOCOL_ISCSI                  1
#define PROTOCOL_ISER                   2

#define ENABLE_UNSPECIFIED              0
#define ENABLE_ON                       1
#define ENABLE_OFF                      2

struct target {
        TAILQ_ENTRY(target)     t_next;
        struct conf             *t_conf;
        char                    *t_nickname;
        char                    *t_name;
        char                    *t_address;
        char                    *t_initiator_name;
        char                    *t_initiator_address;
        char                    *t_initiator_alias;
        int                     t_header_digest;
        int                     t_data_digest;
        int                     t_auth_method;
        int                     t_session_type;
        int                     t_enable;
        int                     t_protocol;
        int                     t_dscp;
        int                     t_pcp;
        int                     t_pingtimeout;
        int                     t_logintimeout;
        char                    *t_offload;
        char                    *t_user;
        char                    *t_secret;
        char                    *t_mutual_user;
        char                    *t_mutual_secret;
};

struct conf {
        TAILQ_HEAD(, target)    conf_targets;
};

struct conf     *conf_new(void);
struct conf     *conf_new_from_file(const char *path);
void            conf_delete(struct conf *conf);
void            conf_verify(struct conf *conf);

struct target   *target_new(struct conf *conf);
struct target   *target_find(struct conf *conf, const char *nickname);
void            target_delete(struct target *ic);

void            print_periphs(int session_id);

int             parse_enable(const char *enable);

#endif /* !ISCSICTL_H */