1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 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 * $FreeBSD$ 31 */ 32 33 /* 34 * This file is used to provide the initiator and target with a prettier 35 * interface. It must not be included by ICL modules, such as icl_soft.c. 36 */ 37 38 #ifndef ICL_WRAPPERS_H 39 #define ICL_WRAPPERS_H 40 41 #include <sys/bio.h> 42 #include <sys/kobj.h> 43 44 #include <dev/iscsi/icl.h> 45 #include <icl_conn_if.h> 46 47 static inline struct icl_pdu * 48 icl_pdu_new(struct icl_conn *ic, int flags) 49 { 50 51 return (ICL_CONN_NEW_PDU(ic, flags)); 52 } 53 54 static inline size_t 55 icl_pdu_data_segment_length(const struct icl_pdu *ip) 56 { 57 58 return (ICL_CONN_PDU_DATA_SEGMENT_LENGTH(ip->ip_conn, ip)); 59 } 60 61 static inline int 62 icl_pdu_append_bio(struct icl_pdu *ip, struct bio *bp, size_t offset, 63 size_t len, int flags) 64 { 65 66 return (ICL_CONN_PDU_APPEND_BIO(ip->ip_conn, ip, bp, offset, len, 67 flags)); 68 } 69 70 static inline int 71 icl_pdu_append_data(struct icl_pdu *ip, const void *addr, size_t len, int flags) 72 { 73 74 return (ICL_CONN_PDU_APPEND_DATA(ip->ip_conn, ip, addr, len, flags)); 75 } 76 77 static inline void 78 icl_pdu_get_bio(struct icl_pdu *ip, size_t pdu_off, struct bio *bp, 79 size_t bio_off, size_t len) 80 { 81 82 ICL_CONN_PDU_GET_BIO(ip->ip_conn, ip, pdu_off, bp, bio_off, len); 83 } 84 85 static inline void 86 icl_pdu_get_data(struct icl_pdu *ip, size_t off, void *addr, size_t len) 87 { 88 89 ICL_CONN_PDU_GET_DATA(ip->ip_conn, ip, off, addr, len); 90 } 91 92 static inline void 93 icl_pdu_queue(struct icl_pdu *ip) 94 { 95 96 ICL_CONN_PDU_QUEUE(ip->ip_conn, ip); 97 } 98 99 static inline void 100 icl_pdu_queue_cb(struct icl_pdu *ip, icl_pdu_cb cb) 101 { 102 103 ICL_CONN_PDU_QUEUE_CB(ip->ip_conn, ip, cb); 104 } 105 106 static inline void 107 icl_pdu_free(struct icl_pdu *ip) 108 { 109 110 ICL_CONN_PDU_FREE(ip->ip_conn, ip); 111 } 112 113 static inline void 114 icl_conn_free(struct icl_conn *ic) 115 { 116 117 ICL_CONN_FREE(ic); 118 } 119 120 static inline int 121 icl_conn_handoff(struct icl_conn *ic, int fd) 122 { 123 124 return (ICL_CONN_HANDOFF(ic, fd)); 125 } 126 127 static inline void 128 icl_conn_close(struct icl_conn *ic) 129 { 130 131 ICL_CONN_CLOSE(ic); 132 } 133 134 static inline int 135 icl_conn_task_setup(struct icl_conn *ic, struct icl_pdu *ip, 136 struct ccb_scsiio *csio, uint32_t *task_tagp, void **prvp) 137 { 138 139 return (ICL_CONN_TASK_SETUP(ic, ip, csio, task_tagp, prvp)); 140 } 141 142 static inline void 143 icl_conn_task_done(struct icl_conn *ic, void *prv) 144 { 145 146 ICL_CONN_TASK_DONE(ic, prv); 147 } 148 149 static inline int 150 icl_conn_transfer_setup(struct icl_conn *ic, struct icl_pdu *ip, 151 union ctl_io *io, uint32_t *transfer_tagp, void **prvp) 152 { 153 154 return (ICL_CONN_TRANSFER_SETUP(ic, ip, io, transfer_tagp, prvp)); 155 } 156 157 static inline void 158 icl_conn_transfer_done(struct icl_conn *ic, void *prv) 159 { 160 161 ICL_CONN_TRANSFER_DONE(ic, prv); 162 } 163 164 /* 165 * The function below is only used with ICL_KERNEL_PROXY. 166 */ 167 static inline int 168 icl_conn_connect(struct icl_conn *ic, int domain, int socktype, 169 int protocol, struct sockaddr *from_sa, struct sockaddr *to_sa) 170 { 171 172 return (ICL_CONN_CONNECT(ic, domain, socktype, protocol, 173 from_sa, to_sa)); 174 } 175 176 #endif /* !ICL_WRAPPERS_H */ 177