1/*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 2014 The FreeBSD Foundation
5 *
6 * This software was developed by Edward Tomasz Napierala under sponsorship
7 * from the FreeBSD Foundation.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
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.
17 *
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
28 * SUCH DAMAGE.
29 */
30
31/*
32 * This file is used to provide the initiator and target with a prettier
33 * interface.  It must not be included by ICL modules, such as icl_soft.c.
34 */
35
36#ifndef ICL_WRAPPERS_H
37#define	ICL_WRAPPERS_H
38
39#include <sys/bio.h>
40#include <sys/kobj.h>
41
42#include <dev/iscsi/icl.h>
43#include <icl_conn_if.h>
44
45static inline struct icl_pdu *
46icl_pdu_new(struct icl_conn *ic, int flags)
47{
48
49	return (ICL_CONN_NEW_PDU(ic, flags));
50}
51
52static inline size_t
53icl_pdu_data_segment_length(const struct icl_pdu *ip)
54{
55
56	return (ICL_CONN_PDU_DATA_SEGMENT_LENGTH(ip->ip_conn, ip));
57}
58
59static inline int
60icl_pdu_append_bio(struct icl_pdu *ip, struct bio *bp, size_t offset,
61    size_t len, int flags)
62{
63
64	return (ICL_CONN_PDU_APPEND_BIO(ip->ip_conn, ip, bp, offset, len,
65	    flags));
66}
67
68static inline int
69icl_pdu_append_data(struct icl_pdu *ip, const void *addr, size_t len, int flags)
70{
71
72	return (ICL_CONN_PDU_APPEND_DATA(ip->ip_conn, ip, addr, len, flags));
73}
74
75static inline void
76icl_pdu_get_bio(struct icl_pdu *ip, size_t pdu_off, struct bio *bp,
77    size_t bio_off, size_t len)
78{
79
80	ICL_CONN_PDU_GET_BIO(ip->ip_conn, ip, pdu_off, bp, bio_off, len);
81}
82
83static inline void
84icl_pdu_get_data(struct icl_pdu *ip, size_t off, void *addr, size_t len)
85{
86
87	ICL_CONN_PDU_GET_DATA(ip->ip_conn, ip, off, addr, len);
88}
89
90static inline void
91icl_pdu_queue(struct icl_pdu *ip)
92{
93
94	ICL_CONN_PDU_QUEUE(ip->ip_conn, ip);
95}
96
97static inline void
98icl_pdu_queue_cb(struct icl_pdu *ip, icl_pdu_cb cb)
99{
100
101	ICL_CONN_PDU_QUEUE_CB(ip->ip_conn, ip, cb);
102}
103
104static inline void
105icl_pdu_free(struct icl_pdu *ip)
106{
107
108	ICL_CONN_PDU_FREE(ip->ip_conn, ip);
109}
110
111static inline void
112icl_conn_free(struct icl_conn *ic)
113{
114
115	ICL_CONN_FREE(ic);
116}
117
118static inline int
119icl_conn_handoff(struct icl_conn *ic, int fd)
120{
121
122	return (ICL_CONN_HANDOFF(ic, fd));
123}
124
125static inline void
126icl_conn_close(struct icl_conn *ic)
127{
128
129	ICL_CONN_CLOSE(ic);
130}
131
132static inline int
133icl_conn_task_setup(struct icl_conn *ic, struct icl_pdu *ip,
134    struct ccb_scsiio *csio, uint32_t *task_tagp, void **prvp)
135{
136
137	return (ICL_CONN_TASK_SETUP(ic, ip, csio, task_tagp, prvp));
138}
139
140static inline void
141icl_conn_task_done(struct icl_conn *ic, void *prv)
142{
143
144	ICL_CONN_TASK_DONE(ic, prv);
145}
146
147static inline int
148icl_conn_transfer_setup(struct icl_conn *ic, struct icl_pdu *ip,
149    union ctl_io *io, uint32_t *transfer_tagp, void **prvp)
150{
151
152	return (ICL_CONN_TRANSFER_SETUP(ic, ip, io, transfer_tagp, prvp));
153}
154
155static inline void
156icl_conn_transfer_done(struct icl_conn *ic, void *prv)
157{
158
159	ICL_CONN_TRANSFER_DONE(ic, prv);
160}
161
162/*
163 * The function below is only used with ICL_KERNEL_PROXY.
164 */
165static inline int
166icl_conn_connect(struct icl_conn *ic, int domain, int socktype,
167    int protocol, struct sockaddr *from_sa, struct sockaddr *to_sa)
168{
169
170	return (ICL_CONN_CONNECT(ic, domain, socktype, protocol,
171	    from_sa, to_sa));
172}
173
174#endif /* !ICL_WRAPPERS_H */
175