freebsd-skq/sys/dev/iscsi/icl_conn_if.m
Edward Tomasz Napierala 7a03d007cf Extend ICL to add receive offload methods. For software ICL backend
they are no-ops.

MFC after:	1 month
Sponsored by:	The FreeBSD Foundation
2015-02-08 19:15:14 +00:00

112 lines
2.6 KiB
Objective-C

#-
# Copyright (c) 2014 The FreeBSD Foundation
# All rights reserved.
#
# This software was developed by Edward Tomasz Napierala under sponsorship
# from the FreeBSD Foundation.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
# $FreeBSD$
#
#include <dev/iscsi/icl.h>
INTERFACE icl_conn;
METHOD size_t pdu_data_segment_length {
struct icl_conn *_ic;
const struct icl_pdu *_ip;
};
METHOD int pdu_append_data {
struct icl_conn *_ic;
struct icl_pdu *_ip;
const void *_addr;
size_t _len;
int _flags;
};
METHOD void pdu_get_data {
struct icl_conn *_ic;
struct icl_pdu *_ip;
size_t _off;
void *_addr;
size_t _len;
};
METHOD void pdu_queue {
struct icl_conn *_ic;
struct icl_pdu *_ip;
};
METHOD void pdu_free {
struct icl_conn *_ic;
struct icl_pdu *_ip;
};
METHOD struct icl_pdu * new_pdu {
struct icl_conn *_ic;
int _flags;
};
METHOD void free {
struct icl_conn *_ic;
};
METHOD int handoff {
struct icl_conn *_ic;
int _fd;
};
METHOD void close {
struct icl_conn *_ic;
};
METHOD bool connected {
struct icl_conn *_ic;
};
METHOD int task_setup {
struct icl_conn *_ic;
struct ccb_scsiio *_csio;
uint32_t *_task_tag;
void **_prvp;
};
METHOD void task_done {
struct icl_conn *_ic;
void *_prv;
};
METHOD int transfer_setup {
struct icl_conn *_ic;
union ctl_io *_io;
uint32_t *_transfer_tag;
void **_prvp;
};
METHOD void transfer_done {
struct icl_conn *_ic;
void *_prv;
};