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
45 static inline struct icl_pdu *
icl_pdu_new(struct icl_conn * ic,int flags)46 icl_pdu_new(struct icl_conn *ic, int flags)
47 {
48
49 return (ICL_CONN_NEW_PDU(ic, flags));
50 }
51
52 static inline size_t
icl_pdu_data_segment_length(const struct icl_pdu * ip)53 icl_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
59 static inline int
icl_pdu_append_bio(struct icl_pdu * ip,struct bio * bp,size_t offset,size_t len,int flags)60 icl_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
68 static inline int
icl_pdu_append_data(struct icl_pdu * ip,const void * addr,size_t len,int flags)69 icl_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
75 static inline void
icl_pdu_get_bio(struct icl_pdu * ip,size_t pdu_off,struct bio * bp,size_t bio_off,size_t len)76 icl_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
83 static inline void
icl_pdu_get_data(struct icl_pdu * ip,size_t off,void * addr,size_t len)84 icl_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
90 static inline void
icl_pdu_queue(struct icl_pdu * ip)91 icl_pdu_queue(struct icl_pdu *ip)
92 {
93
94 ICL_CONN_PDU_QUEUE(ip->ip_conn, ip);
95 }
96
97 static inline void
icl_pdu_queue_cb(struct icl_pdu * ip,icl_pdu_cb cb)98 icl_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
104 static inline void
icl_pdu_free(struct icl_pdu * ip)105 icl_pdu_free(struct icl_pdu *ip)
106 {
107
108 ICL_CONN_PDU_FREE(ip->ip_conn, ip);
109 }
110
111 static inline void
icl_conn_free(struct icl_conn * ic)112 icl_conn_free(struct icl_conn *ic)
113 {
114
115 ICL_CONN_FREE(ic);
116 }
117
118 static inline int
icl_conn_handoff(struct icl_conn * ic,int fd)119 icl_conn_handoff(struct icl_conn *ic, int fd)
120 {
121
122 return (ICL_CONN_HANDOFF(ic, fd));
123 }
124
125 static inline void
icl_conn_close(struct icl_conn * ic)126 icl_conn_close(struct icl_conn *ic)
127 {
128
129 ICL_CONN_CLOSE(ic);
130 }
131
132 static inline int
icl_conn_task_setup(struct icl_conn * ic,struct icl_pdu * ip,struct ccb_scsiio * csio,uint32_t * task_tagp,void ** prvp)133 icl_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
140 static inline void
icl_conn_task_done(struct icl_conn * ic,void * prv)141 icl_conn_task_done(struct icl_conn *ic, void *prv)
142 {
143
144 ICL_CONN_TASK_DONE(ic, prv);
145 }
146
147 static inline int
icl_conn_transfer_setup(struct icl_conn * ic,struct icl_pdu * ip,union ctl_io * io,uint32_t * transfer_tagp,void ** prvp)148 icl_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
155 static inline void
icl_conn_transfer_done(struct icl_conn * ic,void * prv)156 icl_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 */
165 static inline int
icl_conn_connect(struct icl_conn * ic,int domain,int socktype,int protocol,struct sockaddr * from_sa,struct sockaddr * to_sa)166 icl_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