117 lines
4.4 KiB
C
117 lines
4.4 KiB
C
/*
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* IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING. By downloading, copying, installing or
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* using the software you agree to this license. If you do not agree to this license, do not download, install,
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* copy or use the software.
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*
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* Intel License Agreement
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*
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* Copyright (c) 2000, Intel Corporation
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification, are permitted provided that
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* the following conditions are met:
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*
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* -Redistributions of source code must retain the above copyright notice, this list of conditions and the
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* following disclaimer.
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*
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* -Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the
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* following disclaimer in the documentation and/or other materials provided with the distribution.
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*
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* -The name of Intel Corporation may not be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
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* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL INTEL OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _TARGET_H_
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#define _TARGET_H_
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#include "iscsi.h"
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#include "util.h"
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#include "parameters.h"
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#include "storage.h"
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/* Default configuration */
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#define DEFAULT_TARGET_MAX_SESSIONS 16 /* n+1 */
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#define DEFAULT_TARGET_NUM_LUNS 1
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#define DEFAULT_TARGET_BLOCK_LEN 512
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#define DEFAULT_TARGET_NUM_BLOCKS 204800
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#define DEFAULT_TARGET_NAME "iqn.1994-04.org.netbsd.iscsi-target"
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#define DEFAULT_TARGET_QUEUE_DEPTH 8
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#define DEFAULT_TARGET_TCQ 0
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enum {
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MAX_TGT_NAME_SIZE = 512,
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MAX_INITIATOR_ADDRESS_SIZE = 256,
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MAX_CONFIG_FILE_NAME = 512,
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ISCSI_IPv4 = AF_INET,
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ISCSI_IPv6 = AF_INET6,
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ISCSI_UNSPEC = PF_UNSPEC,
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MAXSOCK = 8
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};
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/* global variables, moved from target.c */
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typedef struct globals_t {
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char targetname[MAX_TGT_NAME_SIZE]; /* name of target */
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uint16_t port; /* target port */
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iscsi_socket_t sock; /* socket on which it's listening */
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int sockc; /* # of live sockets on which it's listening */
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iscsi_socket_t sockv[MAXSOCK]; /* sockets on which it's listening */
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int famv[MAXSOCK]; /* address families */
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int state; /* current state of target */
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int listener_pid; /* PID on which it's listening */
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volatile int listener_listening; /* whether a listener is listening */
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char targetaddress[MAX_TGT_NAME_SIZE]; /* iSCSI TargetAddress set after iscsi_sock_accept() */
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targv_t *tv; /* array of target devices */
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int address_family; /* global default IP address family */
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int max_sessions; /* maximum number of sessions */
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char config_file[MAX_CONFIG_FILE_NAME]; /* config file name */
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} globals_t;
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/* session parameters */
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typedef struct target_session_t {
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int id;
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int d;
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iscsi_socket_t sock;
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uint16_t cid;
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uint32_t StatSN;
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uint32_t ExpCmdSN;
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uint32_t MaxCmdSN;
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uint8_t *buff;
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int UsePhaseCollapsedRead;
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int IsFullFeature;
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int IsLoggedIn;
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int LoginStarted;
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uint64_t isid;
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int tsih;
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globals_t *globals;
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iscsi_worker_t worker;
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iscsi_parameter_t *params;
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iscsi_sess_param_t sess_params;
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char initiator[MAX_INITIATOR_ADDRESS_SIZE];
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int address_family;
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} target_session_t;
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typedef struct target_cmd_t {
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iscsi_scsi_cmd_args_t *scsi_cmd;
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int (*callback) (void *);
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void *callback_arg;
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} target_cmd_t;
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int target_init(globals_t *, targv_t *, char *);
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int target_shutdown(globals_t *);
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int target_listen(globals_t *);
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int target_transfer_data(target_session_t *, iscsi_scsi_cmd_args_t *, struct iovec *, int);
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#endif /* _TARGET_H_ */
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