2 * SPDX-License-Identifier: BSD-2-Clause
4 * Copyright (c) 2012 The FreeBSD Foundation
6 * This software was developed by Edward Tomasz Napierala under sponsorship
7 * from the FreeBSD Foundation.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 #ifndef CTL_FRONTEND_ISCSI_H
32 #define CTL_FRONTEND_ISCSI_H
34 #define CFISCSI_TARGET_STATE_INVALID 0
35 #define CFISCSI_TARGET_STATE_ACTIVE 1
36 #define CFISCSI_TARGET_STATE_DYING 2
38 struct cfiscsi_target {
39 TAILQ_ENTRY(cfiscsi_target) ct_next;
40 struct cfiscsi_softc *ct_softc;
41 volatile u_int ct_refcount;
42 char ct_name[CTL_ISCSI_NAME_LEN];
43 char ct_alias[CTL_ISCSI_ALIAS_LEN];
48 struct ctl_port ct_port;
51 struct cfiscsi_data_wait {
52 TAILQ_ENTRY(cfiscsi_data_wait) cdw_next;
53 union ctl_io *cdw_ctl_io;
54 uint32_t cdw_target_transfer_tag;
55 uint32_t cdw_initiator_task_tag;
64 #define CFISCSI_SESSION_STATE_INVALID 0
65 #define CFISCSI_SESSION_STATE_BHS 1
66 #define CFISCSI_SESSION_STATE_AHS 2
67 #define CFISCSI_SESSION_STATE_HEADER_DIGEST 3
68 #define CFISCSI_SESSION_STATE_DATA 4
69 #define CFISCSI_SESSION_STATE_DATA_DIGEST 5
71 struct cfiscsi_session {
72 TAILQ_ENTRY(cfiscsi_session) cs_next;
74 struct icl_conn *cs_conn;
77 uint32_t cs_target_transfer_tag;
78 volatile u_int cs_outstanding_ctl_pdus;
79 TAILQ_HEAD(, cfiscsi_data_wait) cs_waiting_for_data_out;
80 struct cfiscsi_target *cs_target;
81 struct callout cs_callout;
83 struct cv cs_maintenance_cv;
85 bool cs_terminating_tasks;
86 bool cs_handoff_in_progress;
87 bool cs_tasks_aborted;
88 int cs_max_burst_length;
89 int cs_first_burst_length;
90 bool cs_immediate_data;
91 char cs_initiator_name[CTL_ISCSI_NAME_LEN];
92 char cs_initiator_addr[CTL_ISCSI_ADDR_LEN];
93 char cs_initiator_alias[CTL_ISCSI_ALIAS_LEN];
94 char cs_initiator_isid[6];
95 char cs_initiator_id[CTL_ISCSI_NAME_LEN + 5 + 6 + 1];
98 #ifdef ICL_KERNEL_PROXY
99 struct sockaddr *cs_initiator_sa;
102 bool cs_waiting_for_ctld;
103 struct cv cs_login_cv;
104 struct icl_pdu *cs_login_pdu;
108 #ifdef ICL_KERNEL_PROXY
112 struct cfiscsi_softc {
117 unsigned int last_session_id;
118 TAILQ_HEAD(, cfiscsi_target) targets;
119 TAILQ_HEAD(, cfiscsi_session) sessions;
120 struct cv sessions_cv;
121 #ifdef ICL_KERNEL_PROXY
122 struct icl_listen *listener;
127 #endif /* !CTL_FRONTEND_ISCSI_H */