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      1 /*
      2  * IMPORTANT:  READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
      3  * By downloading, copying, installing or using the software you agree
      4  * to this license.  If you do not agree to this license, do not
      5  * download, install, copy or use the software.
      6  *
      7  * Intel License Agreement
      8  *
      9  * Copyright (c) 2000, Intel Corporation
     10  * All rights reserved.
     11  *
     12  * Redistribution and use in source and binary forms, with or without
     13  * modification, are permitted provided that the following conditions
     14  * are met:
     15  *
     16  * -Redistributions of source code must retain the above copyright
     17  *  notice, this list of conditions and the following disclaimer.
     18  *
     19  * -Redistributions in binary form must reproduce the above copyright
     20  *  notice, this list of conditions and the following disclaimer in the
     21  *  documentation and/or other materials provided with the
     22  *  distribution.
     23  *
     24  * -The name of Intel Corporation may not be used to endorse or
     25  *  promote products derived from this software without specific prior
     26  *  written permission.
     27  *
     28  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     29  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     30  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
     31  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL INTEL
     32  * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     33  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     34  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
     35  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
     36  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
     37  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
     38  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     39  * SUCH DAMAGE.
     40  */
     41 #ifndef _TARGET_H_
     42 #define _TARGET_H_
     43 
     44 #include "iscsiprotocol.h"
     45 #include "iscsiutil.h"
     46 #include "parameters.h"
     47 #include "storage.h"
     48 #include "iscsi.h"
     49 
     50 /* Default configuration */
     51 #define DEFAULT_TARGET_MAX_SESSIONS 16	/* n+1 */
     52 #define DEFAULT_TARGET_NUM_LUNS     1
     53 #define DEFAULT_TARGET_BLOCK_LEN    512
     54 #define DEFAULT_TARGET_NUM_BLOCKS   204800
     55 #define DEFAULT_TARGET_NAME         "iqn.1994-04.org.netbsd.iscsi-target"
     56 #define DEFAULT_TARGET_QUEUE_DEPTH  8
     57 #define DEFAULT_TARGET_TCQ          0
     58 
     59 enum {
     60 	MAX_INITIATOR_ADDRESS_SIZE = 256
     61 
     62 };
     63 
     64 /* session parameters */
     65 typedef struct target_session_t {
     66 	int             id;
     67 	int             d;
     68 	int  		sock;
     69 	uint16_t        cid;
     70 	uint32_t        StatSN;
     71 	uint32_t        ExpCmdSN;
     72 	uint32_t        MaxCmdSN;
     73 	uint8_t        *buff;
     74 	int             UsePhaseCollapsedRead;
     75 	int             IsFullFeature;
     76 	int             IsLoggedIn;
     77 	int             LoginStarted;
     78 	uint64_t        isid;
     79 	int             tsih;
     80 	iscsi_target_t	*target;
     81 	iscsi_worker_t  worker;
     82 	iscsi_parameter_t *params;
     83 	iscsi_sess_param_t sess_params;
     84 	char		initiator[MAX_INITIATOR_ADDRESS_SIZE];
     85 	int		address_family;
     86 	int32_t		last_tsih;
     87 } target_session_t;
     88 
     89 typedef struct target_cmd_t {
     90 	iscsi_scsi_cmd_args_t *scsi_cmd;
     91 	int             (*callback) (void *);
     92 	void           *callback_arg;
     93 } target_cmd_t;
     94 
     95 int target_transfer_data(target_session_t *, iscsi_scsi_cmd_args_t *, struct iovec *, int);
     96 
     97 int find_target_tsih(iscsi_target_t *, int);
     98 int find_target_iqn(target_session_t *);
     99 
    100 #endif /* _TARGET_H_ */
    101