1#- 2# SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3# 4# Copyright (c) 2014 The FreeBSD Foundation 5# All rights reserved. 6# 7# This software was developed by Edward Tomasz Napierala under sponsorship 8# from the FreeBSD Foundation. 9# 10# Redistribution and use in source and binary forms, with or without 11# modification, are permitted provided that the following conditions 12# are met: 13# 1. Redistributions of source code must retain the above copyright 14# notice, this list of conditions and the following disclaimer. 15# 2. Redistributions in binary form must reproduce the above copyright 16# notice, this list of conditions and the following disclaimer in the 17# documentation and/or other materials provided with the distribution. 18# 19# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 20# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 23# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29# SUCH DAMAGE. 30# 31# $FreeBSD$ 32# 33 34#include <sys/socket.h> 35#include <dev/iscsi/icl.h> 36 37INTERFACE icl_conn; 38 39CODE { 40 static void null_pdu_queue_cb(struct icl_conn *ic, 41 struct icl_pdu *ip, icl_pdu_cb cb) 42 { 43 ICL_CONN_PDU_QUEUE(ic, ip); 44 if (cb) 45 cb(ip, 0); 46 } 47}; 48 49METHOD size_t pdu_data_segment_length { 50 struct icl_conn *_ic; 51 const struct icl_pdu *_ip; 52}; 53 54METHOD int pdu_append_data { 55 struct icl_conn *_ic; 56 struct icl_pdu *_ip; 57 const void *_addr; 58 size_t _len; 59 int _flags; 60}; 61 62METHOD void pdu_get_data { 63 struct icl_conn *_ic; 64 struct icl_pdu *_ip; 65 size_t _off; 66 void *_addr; 67 size_t _len; 68}; 69 70METHOD void pdu_queue { 71 struct icl_conn *_ic; 72 struct icl_pdu *_ip; 73}; 74 75METHOD void pdu_queue_cb { 76 struct icl_conn *_ic; 77 struct icl_pdu *_ip; 78 icl_pdu_cb cb; 79} DEFAULT null_pdu_queue_cb; 80 81METHOD void pdu_free { 82 struct icl_conn *_ic; 83 struct icl_pdu *_ip; 84}; 85 86METHOD struct icl_pdu * new_pdu { 87 struct icl_conn *_ic; 88 int _flags; 89}; 90 91METHOD void free { 92 struct icl_conn *_ic; 93}; 94 95METHOD int handoff { 96 struct icl_conn *_ic; 97 int _fd; 98}; 99 100METHOD void close { 101 struct icl_conn *_ic; 102}; 103 104METHOD int task_setup { 105 struct icl_conn *_ic; 106 struct icl_pdu *_ip; 107 struct ccb_scsiio *_csio; 108 uint32_t *_task_tag; 109 void **_prvp; 110}; 111 112METHOD void task_done { 113 struct icl_conn *_ic; 114 void *_prv; 115}; 116 117METHOD int transfer_setup { 118 struct icl_conn *_ic; 119 union ctl_io *_io; 120 uint32_t *_transfer_tag; 121 void **_prvp; 122}; 123 124METHOD void transfer_done { 125 struct icl_conn *_ic; 126 void *_prv; 127}; 128 129# 130# The function below is only used with ICL_KERNEL_PROXY. 131# 132METHOD int connect { 133 struct icl_conn *_ic; 134 int _domain; 135 int _socktype; 136 int _protocol; 137 struct sockaddr *_from_sa; 138 struct sockaddr *_to_sa; 139}; 140