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#include <sys/bio.h> 33#include <sys/socket.h> 34#include <dev/iscsi/icl.h> 35 36INTERFACE icl_conn; 37 38CODE { 39 static void null_pdu_queue_cb(struct icl_conn *ic, 40 struct icl_pdu *ip, icl_pdu_cb cb) 41 { 42 ICL_CONN_PDU_QUEUE(ic, ip); 43 if (cb) 44 cb(ip, 0); 45 } 46}; 47 48METHOD size_t pdu_data_segment_length { 49 struct icl_conn *_ic; 50 const struct icl_pdu *_ip; 51}; 52 53METHOD int pdu_append_bio { 54 struct icl_conn *_ic; 55 struct icl_pdu *_ip; 56 struct bio *_bp; 57 size_t _offset; 58 size_t _len; 59 int _flags; 60}; 61 62METHOD int pdu_append_data { 63 struct icl_conn *_ic; 64 struct icl_pdu *_ip; 65 const void *_addr; 66 size_t _len; 67 int _flags; 68}; 69 70METHOD void pdu_get_bio { 71 struct icl_conn *_ic; 72 struct icl_pdu *_ip; 73 size_t _pdu_off; 74 struct bio *_bp; 75 size_t _bio_off; 76 size_t _len; 77}; 78 79METHOD void pdu_get_data { 80 struct icl_conn *_ic; 81 struct icl_pdu *_ip; 82 size_t _off; 83 void *_addr; 84 size_t _len; 85}; 86 87METHOD void pdu_queue { 88 struct icl_conn *_ic; 89 struct icl_pdu *_ip; 90}; 91 92METHOD void pdu_queue_cb { 93 struct icl_conn *_ic; 94 struct icl_pdu *_ip; 95 icl_pdu_cb cb; 96} DEFAULT null_pdu_queue_cb; 97 98METHOD void pdu_free { 99 struct icl_conn *_ic; 100 struct icl_pdu *_ip; 101}; 102 103METHOD struct icl_pdu * new_pdu { 104 struct icl_conn *_ic; 105 int _flags; 106}; 107 108METHOD void free { 109 struct icl_conn *_ic; 110}; 111 112METHOD int handoff { 113 struct icl_conn *_ic; 114 int _fd; 115}; 116 117METHOD void close { 118 struct icl_conn *_ic; 119}; 120 121METHOD int task_setup { 122 struct icl_conn *_ic; 123 struct icl_pdu *_ip; 124 struct ccb_scsiio *_csio; 125 uint32_t *_task_tag; 126 void **_prvp; 127}; 128 129METHOD void task_done { 130 struct icl_conn *_ic; 131 void *_prv; 132}; 133 134METHOD int transfer_setup { 135 struct icl_conn *_ic; 136 struct icl_pdu *_ip; 137 union ctl_io *_io; 138 uint32_t *_transfer_tag; 139 void **_prvp; 140}; 141 142METHOD void transfer_done { 143 struct icl_conn *_ic; 144 void *_prv; 145}; 146 147# 148# The function below is only used with ICL_KERNEL_PROXY. 149# 150METHOD int connect { 151 struct icl_conn *_ic; 152 int _domain; 153 int _socktype; 154 int _protocol; 155 struct sockaddr *_from_sa; 156 struct sockaddr *_to_sa; 157}; 158