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#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_data { 54 struct icl_conn *_ic; 55 struct icl_pdu *_ip; 56 const void *_addr; 57 size_t _len; 58 int _flags; 59}; 60 61METHOD void pdu_get_data { 62 struct icl_conn *_ic; 63 struct icl_pdu *_ip; 64 size_t _off; 65 void *_addr; 66 size_t _len; 67}; 68 69METHOD void pdu_queue { 70 struct icl_conn *_ic; 71 struct icl_pdu *_ip; 72}; 73 74METHOD void pdu_queue_cb { 75 struct icl_conn *_ic; 76 struct icl_pdu *_ip; 77 icl_pdu_cb cb; 78} DEFAULT null_pdu_queue_cb; 79 80METHOD void pdu_free { 81 struct icl_conn *_ic; 82 struct icl_pdu *_ip; 83}; 84 85METHOD struct icl_pdu * new_pdu { 86 struct icl_conn *_ic; 87 int _flags; 88}; 89 90METHOD void free { 91 struct icl_conn *_ic; 92}; 93 94METHOD int handoff { 95 struct icl_conn *_ic; 96 int _fd; 97}; 98 99METHOD void close { 100 struct icl_conn *_ic; 101}; 102 103METHOD int task_setup { 104 struct icl_conn *_ic; 105 struct icl_pdu *_ip; 106 struct ccb_scsiio *_csio; 107 uint32_t *_task_tag; 108 void **_prvp; 109}; 110 111METHOD void task_done { 112 struct icl_conn *_ic; 113 void *_prv; 114}; 115 116METHOD int transfer_setup { 117 struct icl_conn *_ic; 118 union ctl_io *_io; 119 uint32_t *_transfer_tag; 120 void **_prvp; 121}; 122 123METHOD void transfer_done { 124 struct icl_conn *_ic; 125 void *_prv; 126}; 127 128# 129# The function below is only used with ICL_KERNEL_PROXY. 130# 131METHOD int connect { 132 struct icl_conn *_ic; 133 int _domain; 134 int _socktype; 135 int _protocol; 136 struct sockaddr *_from_sa; 137 struct sockaddr *_to_sa; 138}; 139