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 * 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 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 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 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 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 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 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 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 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 112 icl_conn_free(struct icl_conn *ic) 113 { 114 115 ICL_CONN_FREE(ic); 116 } 117 118 static inline int 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 126 icl_conn_close(struct icl_conn *ic) 127 { 128 129 ICL_CONN_CLOSE(ic); 130 } 131 132 static inline int 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 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 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 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 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